diff --git a/compiler/test/__snapshots__/arrays.0f9e7d37.0.snapshot b/compiler/test/__snapshots__/arrays.0f9e7d37.0.snapshot
index e5c9a4010..854386054 100644
--- a/compiler/test/__snapshots__/arrays.0f9e7d37.0.snapshot
+++ b/compiler/test/__snapshots__/arrays.0f9e7d37.0.snapshot
@@ -1,250 +1,28 @@
 arrays › array_access
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/exception.gr\" \"GRAIN$EXPORT$panicWithException\" (global $GRAIN$EXPORT$panicWithException_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/exception.gr\" \"panicWithException\" (func $panicWithException_0 (param i32 i32) (result i32)))
- (global $x_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.10 (result i32)
-   (block $compile_store.3
-    (global.set $x_1113
-     (block $allocate_array.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 4)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 5)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 7)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $MArrayGet.9 (result i32)
-    (local.set $1
-     (i32.const 1)
-    )
-    (local.set $2
-     (global.get $x_1113)
-    )
-    (block $resolve_idx.8
-     (if
-      (i32.eqz
-       (i32.and
-        (local.get $1)
-        (i32.const 1)
-       )
-      )
-      (block $IndexNotSimpleInteger.7
-       (local.set $1
-        (i32.load offset=4
-         (local.get $1)
-        )
-       )
-       (drop
-        (if (result i32)
-         (i32.or
-          (i32.eq
-           (local.get $1)
-           (i32.const 2)
-          )
-          (i32.eq
-           (local.get $1)
-           (i32.const 4)
-          )
-         )
-         (call $panicWithException_0
-          (global.get $GRAIN$EXPORT$panicWithException_0)
-          (block $allocate_adt.6 (result i32)
-           (i32.store
-            (local.tee $0
-             (call $malloc_0
-              (global.get $GRAIN$EXPORT$malloc_0)
-              (i32.const 20)
-             )
-            )
-            (i32.const 2)
-           )
-           (i32.store offset=4
-            (local.get $0)
-            (i32.const 1)
-           )
-           (i32.store offset=8
-            (local.get $0)
-            (i32.const 5)
-           )
-           (i32.store offset=12
-            (local.get $0)
-            (i32.const 67)
-           )
-           (i32.store offset=16
-            (local.get $0)
-            (i32.const 0)
-           )
-           (local.get $0)
-          )
-         )
-         (call $panicWithException_0
-          (global.get $GRAIN$EXPORT$panicWithException_0)
-          (block $allocate_adt.5 (result i32)
-           (i32.store
-            (local.tee $0
-             (call $malloc_0
-              (global.get $GRAIN$EXPORT$malloc_0)
-              (i32.const 20)
-             )
-            )
-            (i32.const 2)
-           )
-           (i32.store offset=4
-            (local.get $0)
-            (i32.const 1)
-           )
-           (i32.store offset=8
-            (local.get $0)
-            (i32.const 5)
-           )
-           (i32.store offset=12
-            (local.get $0)
-            (i32.const 69)
-           )
-           (i32.store offset=16
-            (local.get $0)
-            (i32.const 0)
-           )
-           (local.get $0)
-          )
-         )
-        )
-       )
-      )
-     )
-     (local.set $1
-      (i32.shr_s
-       (local.get $1)
-       (i32.const 1)
-      )
-     )
-     (if
-      (i32.lt_s
-       (local.get $1)
-       (i32.const 0)
-      )
-      (local.set $1
-       (i32.add
-        (local.get $1)
-        (i32.load offset=4
-         (local.get $2)
-        )
-       )
-      )
-     )
-     (if
-      (i32.le_u
-       (i32.load offset=4
-        (local.get $2)
-       )
-       (local.get $1)
-      )
-      (drop
-       (call $panicWithException_0
-        (global.get $GRAIN$EXPORT$panicWithException_0)
-        (block $allocate_adt.4 (result i32)
-         (i32.store
-          (local.tee $0
-           (call $malloc_0
-            (global.get $GRAIN$EXPORT$malloc_0)
-            (i32.const 20)
-           )
-          )
-          (i32.const 2)
-         )
-         (i32.store offset=4
-          (local.get $0)
-          (i32.const 1)
-         )
-         (i32.store offset=8
-          (local.get $0)
-          (i32.const 5)
-         )
-         (i32.store offset=12
-          (local.get $0)
-          (i32.const 67)
-         )
-         (i32.store offset=16
-          (local.get $0)
-          (i32.const 0)
-         )
-         (local.get $0)
-        )
-       )
-      )
-     )
-    )
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (i32.load offset=8
-      (i32.add
-       (i32.shl
-        (local.get $1)
-        (i32.const 2)
-       )
-       (local.get $2)
-      )
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind x_1113 Managed)
+        ((instr_desc
+          (MAllocate
+           (MArray
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MArrayOp
+      (MArrayGet
+       ((immediate_desc (MImmConst (MConstI32 0)))
+        (immediate_analyses ((last_usage Unknown)))))
+      ((immediate_desc (MImmBinding (MGlobalBind x_1113 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name x)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/arrays.1deb7b51.0.snapshot b/compiler/test/__snapshots__/arrays.1deb7b51.0.snapshot
index 43ccc57b0..58fc2ee09 100644
--- a/compiler/test/__snapshots__/arrays.1deb7b51.0.snapshot
+++ b/compiler/test/__snapshots__/arrays.1deb7b51.0.snapshot
@@ -1,265 +1,32 @@
 arrays › array_access5
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/exception.gr\" \"GRAIN$EXPORT$panicWithException\" (global $GRAIN$EXPORT$panicWithException_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/exception.gr\" \"panicWithException\" (func $panicWithException_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.11 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_array.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 4)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 5)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 7)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (tuple.extract 0
-    (tuple.make
-     (block $MArrayGet.10 (result i32)
-      (local.set $1
-       (i32.const -5)
-      )
-      (local.set $2
-       (local.get $6)
-      )
-      (block $resolve_idx.9
-       (if
-        (i32.eqz
-         (i32.and
-          (local.get $1)
-          (i32.const 1)
-         )
-        )
-        (block $IndexNotSimpleInteger.8
-         (local.set $1
-          (i32.load offset=4
-           (local.get $1)
-          )
-         )
-         (drop
-          (if (result i32)
-           (i32.or
-            (i32.eq
-             (local.get $1)
-             (i32.const 2)
-            )
-            (i32.eq
-             (local.get $1)
-             (i32.const 4)
-            )
-           )
-           (call $panicWithException_0
-            (global.get $GRAIN$EXPORT$panicWithException_0)
-            (block $allocate_adt.7 (result i32)
-             (i32.store
-              (local.tee $0
-               (call $malloc_0
-                (global.get $GRAIN$EXPORT$malloc_0)
-                (i32.const 20)
-               )
-              )
-              (i32.const 2)
-             )
-             (i32.store offset=4
-              (local.get $0)
-              (i32.const 1)
-             )
-             (i32.store offset=8
-              (local.get $0)
-              (i32.const 5)
-             )
-             (i32.store offset=12
-              (local.get $0)
-              (i32.const 67)
-             )
-             (i32.store offset=16
-              (local.get $0)
-              (i32.const 0)
-             )
-             (local.get $0)
-            )
-           )
-           (call $panicWithException_0
-            (global.get $GRAIN$EXPORT$panicWithException_0)
-            (block $allocate_adt.6 (result i32)
-             (i32.store
-              (local.tee $0
-               (call $malloc_0
-                (global.get $GRAIN$EXPORT$malloc_0)
-                (i32.const 20)
-               )
-              )
-              (i32.const 2)
-             )
-             (i32.store offset=4
-              (local.get $0)
-              (i32.const 1)
-             )
-             (i32.store offset=8
-              (local.get $0)
-              (i32.const 5)
-             )
-             (i32.store offset=12
-              (local.get $0)
-              (i32.const 69)
-             )
-             (i32.store offset=16
-              (local.get $0)
-              (i32.const 0)
-             )
-             (local.get $0)
-            )
-           )
-          )
-         )
-        )
-       )
-       (local.set $1
-        (i32.shr_s
-         (local.get $1)
-         (i32.const 1)
-        )
-       )
-       (if
-        (i32.lt_s
-         (local.get $1)
-         (i32.const 0)
-        )
-        (local.set $1
-         (i32.add
-          (local.get $1)
-          (i32.load offset=4
-           (local.get $2)
-          )
-         )
-        )
-       )
-       (if
-        (i32.le_u
-         (i32.load offset=4
-          (local.get $2)
-         )
-         (local.get $1)
-        )
-        (drop
-         (call $panicWithException_0
-          (global.get $GRAIN$EXPORT$panicWithException_0)
-          (block $allocate_adt.5 (result i32)
-           (i32.store
-            (local.tee $0
-             (call $malloc_0
-              (global.get $GRAIN$EXPORT$malloc_0)
-              (i32.const 20)
-             )
-            )
-            (i32.const 2)
-           )
-           (i32.store offset=4
-            (local.get $0)
-            (i32.const 1)
-           )
-           (i32.store offset=8
-            (local.get $0)
-            (i32.const 5)
-           )
-           (i32.store offset=12
-            (local.get $0)
-            (i32.const 67)
-           )
-           (i32.store offset=16
-            (local.get $0)
-            (i32.const 0)
-           )
-           (local.get $0)
-          )
-         )
-        )
-       )
-      )
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (i32.load offset=8
-        (i32.add
-         (i32.shl
-          (local.get $1)
-          (i32.const 2)
-         )
-         (local.get $2)
-        )
-       )
-      )
-     )
-     (block $cleanup.4 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $6)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MArray
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MCleanup
+      (((instr_desc
+         (MArrayOp
+          (MArrayGet
+           ((immediate_desc (MImmConst (MConstI32 -3)))
+            (immediate_analyses ((last_usage Unknown)))))
+          ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+           (immediate_analyses ((last_usage Last))))))))
+      (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/arrays.24453e6e.0.snapshot b/compiler/test/__snapshots__/arrays.24453e6e.0.snapshot
index 617668248..f151bcdb8 100644
--- a/compiler/test/__snapshots__/arrays.24453e6e.0.snapshot
+++ b/compiler/test/__snapshots__/arrays.24453e6e.0.snapshot
@@ -1,65 +1,18 @@
 arrays › array1_trailing
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_array.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 20)
-      )
-     )
-     (i32.const 4)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 3)
-    )
-    (i32.store offset=8
-     (local.get $0)
-     (i32.const 3)
-    )
-    (i32.store offset=12
-     (local.get $0)
-     (i32.const 5)
-    )
-    (i32.store offset=16
-     (local.get $0)
-     (i32.const 7)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MAllocate
+      (MArray
+       (((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 2)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 3)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/arrays.28fcc534.0.snapshot b/compiler/test/__snapshots__/arrays.28fcc534.0.snapshot
index d6b32719c..13d5c033d 100644
--- a/compiler/test/__snapshots__/arrays.28fcc534.0.snapshot
+++ b/compiler/test/__snapshots__/arrays.28fcc534.0.snapshot
@@ -1,250 +1,28 @@
 arrays › array_access4
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/exception.gr\" \"GRAIN$EXPORT$panicWithException\" (global $GRAIN$EXPORT$panicWithException_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/exception.gr\" \"panicWithException\" (func $panicWithException_0 (param i32 i32) (result i32)))
- (global $x_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.10 (result i32)
-   (block $compile_store.3
-    (global.set $x_1113
-     (block $allocate_array.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 4)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 5)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 7)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $MArrayGet.9 (result i32)
-    (local.set $1
-     (i32.const -3)
-    )
-    (local.set $2
-     (global.get $x_1113)
-    )
-    (block $resolve_idx.8
-     (if
-      (i32.eqz
-       (i32.and
-        (local.get $1)
-        (i32.const 1)
-       )
-      )
-      (block $IndexNotSimpleInteger.7
-       (local.set $1
-        (i32.load offset=4
-         (local.get $1)
-        )
-       )
-       (drop
-        (if (result i32)
-         (i32.or
-          (i32.eq
-           (local.get $1)
-           (i32.const 2)
-          )
-          (i32.eq
-           (local.get $1)
-           (i32.const 4)
-          )
-         )
-         (call $panicWithException_0
-          (global.get $GRAIN$EXPORT$panicWithException_0)
-          (block $allocate_adt.6 (result i32)
-           (i32.store
-            (local.tee $0
-             (call $malloc_0
-              (global.get $GRAIN$EXPORT$malloc_0)
-              (i32.const 20)
-             )
-            )
-            (i32.const 2)
-           )
-           (i32.store offset=4
-            (local.get $0)
-            (i32.const 1)
-           )
-           (i32.store offset=8
-            (local.get $0)
-            (i32.const 5)
-           )
-           (i32.store offset=12
-            (local.get $0)
-            (i32.const 67)
-           )
-           (i32.store offset=16
-            (local.get $0)
-            (i32.const 0)
-           )
-           (local.get $0)
-          )
-         )
-         (call $panicWithException_0
-          (global.get $GRAIN$EXPORT$panicWithException_0)
-          (block $allocate_adt.5 (result i32)
-           (i32.store
-            (local.tee $0
-             (call $malloc_0
-              (global.get $GRAIN$EXPORT$malloc_0)
-              (i32.const 20)
-             )
-            )
-            (i32.const 2)
-           )
-           (i32.store offset=4
-            (local.get $0)
-            (i32.const 1)
-           )
-           (i32.store offset=8
-            (local.get $0)
-            (i32.const 5)
-           )
-           (i32.store offset=12
-            (local.get $0)
-            (i32.const 69)
-           )
-           (i32.store offset=16
-            (local.get $0)
-            (i32.const 0)
-           )
-           (local.get $0)
-          )
-         )
-        )
-       )
-      )
-     )
-     (local.set $1
-      (i32.shr_s
-       (local.get $1)
-       (i32.const 1)
-      )
-     )
-     (if
-      (i32.lt_s
-       (local.get $1)
-       (i32.const 0)
-      )
-      (local.set $1
-       (i32.add
-        (local.get $1)
-        (i32.load offset=4
-         (local.get $2)
-        )
-       )
-      )
-     )
-     (if
-      (i32.le_u
-       (i32.load offset=4
-        (local.get $2)
-       )
-       (local.get $1)
-      )
-      (drop
-       (call $panicWithException_0
-        (global.get $GRAIN$EXPORT$panicWithException_0)
-        (block $allocate_adt.4 (result i32)
-         (i32.store
-          (local.tee $0
-           (call $malloc_0
-            (global.get $GRAIN$EXPORT$malloc_0)
-            (i32.const 20)
-           )
-          )
-          (i32.const 2)
-         )
-         (i32.store offset=4
-          (local.get $0)
-          (i32.const 1)
-         )
-         (i32.store offset=8
-          (local.get $0)
-          (i32.const 5)
-         )
-         (i32.store offset=12
-          (local.get $0)
-          (i32.const 67)
-         )
-         (i32.store offset=16
-          (local.get $0)
-          (i32.const 0)
-         )
-         (local.get $0)
-        )
-       )
-      )
-     )
-    )
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (i32.load offset=8
-      (i32.add
-       (i32.shl
-        (local.get $1)
-        (i32.const 2)
-       )
-       (local.get $2)
-      )
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind x_1113 Managed)
+        ((instr_desc
+          (MAllocate
+           (MArray
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MArrayOp
+      (MArrayGet
+       ((immediate_desc (MImmConst (MConstI32 -2)))
+        (immediate_analyses ((last_usage Unknown)))))
+      ((immediate_desc (MImmBinding (MGlobalBind x_1113 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name x)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/arrays.4c8c9f91.0.snapshot b/compiler/test/__snapshots__/arrays.4c8c9f91.0.snapshot
index c660f7449..898af8fb4 100644
--- a/compiler/test/__snapshots__/arrays.4c8c9f91.0.snapshot
+++ b/compiler/test/__snapshots__/arrays.4c8c9f91.0.snapshot
@@ -1,250 +1,28 @@
 arrays › array_access2
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/exception.gr\" \"GRAIN$EXPORT$panicWithException\" (global $GRAIN$EXPORT$panicWithException_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/exception.gr\" \"panicWithException\" (func $panicWithException_0 (param i32 i32) (result i32)))
- (global $x_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.10 (result i32)
-   (block $compile_store.3
-    (global.set $x_1113
-     (block $allocate_array.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 4)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 5)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 7)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $MArrayGet.9 (result i32)
-    (local.set $1
-     (i32.const 3)
-    )
-    (local.set $2
-     (global.get $x_1113)
-    )
-    (block $resolve_idx.8
-     (if
-      (i32.eqz
-       (i32.and
-        (local.get $1)
-        (i32.const 1)
-       )
-      )
-      (block $IndexNotSimpleInteger.7
-       (local.set $1
-        (i32.load offset=4
-         (local.get $1)
-        )
-       )
-       (drop
-        (if (result i32)
-         (i32.or
-          (i32.eq
-           (local.get $1)
-           (i32.const 2)
-          )
-          (i32.eq
-           (local.get $1)
-           (i32.const 4)
-          )
-         )
-         (call $panicWithException_0
-          (global.get $GRAIN$EXPORT$panicWithException_0)
-          (block $allocate_adt.6 (result i32)
-           (i32.store
-            (local.tee $0
-             (call $malloc_0
-              (global.get $GRAIN$EXPORT$malloc_0)
-              (i32.const 20)
-             )
-            )
-            (i32.const 2)
-           )
-           (i32.store offset=4
-            (local.get $0)
-            (i32.const 1)
-           )
-           (i32.store offset=8
-            (local.get $0)
-            (i32.const 5)
-           )
-           (i32.store offset=12
-            (local.get $0)
-            (i32.const 67)
-           )
-           (i32.store offset=16
-            (local.get $0)
-            (i32.const 0)
-           )
-           (local.get $0)
-          )
-         )
-         (call $panicWithException_0
-          (global.get $GRAIN$EXPORT$panicWithException_0)
-          (block $allocate_adt.5 (result i32)
-           (i32.store
-            (local.tee $0
-             (call $malloc_0
-              (global.get $GRAIN$EXPORT$malloc_0)
-              (i32.const 20)
-             )
-            )
-            (i32.const 2)
-           )
-           (i32.store offset=4
-            (local.get $0)
-            (i32.const 1)
-           )
-           (i32.store offset=8
-            (local.get $0)
-            (i32.const 5)
-           )
-           (i32.store offset=12
-            (local.get $0)
-            (i32.const 69)
-           )
-           (i32.store offset=16
-            (local.get $0)
-            (i32.const 0)
-           )
-           (local.get $0)
-          )
-         )
-        )
-       )
-      )
-     )
-     (local.set $1
-      (i32.shr_s
-       (local.get $1)
-       (i32.const 1)
-      )
-     )
-     (if
-      (i32.lt_s
-       (local.get $1)
-       (i32.const 0)
-      )
-      (local.set $1
-       (i32.add
-        (local.get $1)
-        (i32.load offset=4
-         (local.get $2)
-        )
-       )
-      )
-     )
-     (if
-      (i32.le_u
-       (i32.load offset=4
-        (local.get $2)
-       )
-       (local.get $1)
-      )
-      (drop
-       (call $panicWithException_0
-        (global.get $GRAIN$EXPORT$panicWithException_0)
-        (block $allocate_adt.4 (result i32)
-         (i32.store
-          (local.tee $0
-           (call $malloc_0
-            (global.get $GRAIN$EXPORT$malloc_0)
-            (i32.const 20)
-           )
-          )
-          (i32.const 2)
-         )
-         (i32.store offset=4
-          (local.get $0)
-          (i32.const 1)
-         )
-         (i32.store offset=8
-          (local.get $0)
-          (i32.const 5)
-         )
-         (i32.store offset=12
-          (local.get $0)
-          (i32.const 67)
-         )
-         (i32.store offset=16
-          (local.get $0)
-          (i32.const 0)
-         )
-         (local.get $0)
-        )
-       )
-      )
-     )
-    )
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (i32.load offset=8
-      (i32.add
-       (i32.shl
-        (local.get $1)
-        (i32.const 2)
-       )
-       (local.get $2)
-      )
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind x_1113 Managed)
+        ((instr_desc
+          (MAllocate
+           (MArray
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MArrayOp
+      (MArrayGet
+       ((immediate_desc (MImmConst (MConstI32 1)))
+        (immediate_analyses ((last_usage Unknown)))))
+      ((immediate_desc (MImmBinding (MGlobalBind x_1113 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name x)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/arrays.6eac4e1f.0.snapshot b/compiler/test/__snapshots__/arrays.6eac4e1f.0.snapshot
index f845fb662..248d4a6df 100644
--- a/compiler/test/__snapshots__/arrays.6eac4e1f.0.snapshot
+++ b/compiler/test/__snapshots__/arrays.6eac4e1f.0.snapshot
@@ -1,250 +1,28 @@
 arrays › array_access3
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/exception.gr\" \"GRAIN$EXPORT$panicWithException\" (global $GRAIN$EXPORT$panicWithException_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/exception.gr\" \"panicWithException\" (func $panicWithException_0 (param i32 i32) (result i32)))
- (global $x_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.10 (result i32)
-   (block $compile_store.3
-    (global.set $x_1113
-     (block $allocate_array.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 4)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 5)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 7)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $MArrayGet.9 (result i32)
-    (local.set $1
-     (i32.const 5)
-    )
-    (local.set $2
-     (global.get $x_1113)
-    )
-    (block $resolve_idx.8
-     (if
-      (i32.eqz
-       (i32.and
-        (local.get $1)
-        (i32.const 1)
-       )
-      )
-      (block $IndexNotSimpleInteger.7
-       (local.set $1
-        (i32.load offset=4
-         (local.get $1)
-        )
-       )
-       (drop
-        (if (result i32)
-         (i32.or
-          (i32.eq
-           (local.get $1)
-           (i32.const 2)
-          )
-          (i32.eq
-           (local.get $1)
-           (i32.const 4)
-          )
-         )
-         (call $panicWithException_0
-          (global.get $GRAIN$EXPORT$panicWithException_0)
-          (block $allocate_adt.6 (result i32)
-           (i32.store
-            (local.tee $0
-             (call $malloc_0
-              (global.get $GRAIN$EXPORT$malloc_0)
-              (i32.const 20)
-             )
-            )
-            (i32.const 2)
-           )
-           (i32.store offset=4
-            (local.get $0)
-            (i32.const 1)
-           )
-           (i32.store offset=8
-            (local.get $0)
-            (i32.const 5)
-           )
-           (i32.store offset=12
-            (local.get $0)
-            (i32.const 67)
-           )
-           (i32.store offset=16
-            (local.get $0)
-            (i32.const 0)
-           )
-           (local.get $0)
-          )
-         )
-         (call $panicWithException_0
-          (global.get $GRAIN$EXPORT$panicWithException_0)
-          (block $allocate_adt.5 (result i32)
-           (i32.store
-            (local.tee $0
-             (call $malloc_0
-              (global.get $GRAIN$EXPORT$malloc_0)
-              (i32.const 20)
-             )
-            )
-            (i32.const 2)
-           )
-           (i32.store offset=4
-            (local.get $0)
-            (i32.const 1)
-           )
-           (i32.store offset=8
-            (local.get $0)
-            (i32.const 5)
-           )
-           (i32.store offset=12
-            (local.get $0)
-            (i32.const 69)
-           )
-           (i32.store offset=16
-            (local.get $0)
-            (i32.const 0)
-           )
-           (local.get $0)
-          )
-         )
-        )
-       )
-      )
-     )
-     (local.set $1
-      (i32.shr_s
-       (local.get $1)
-       (i32.const 1)
-      )
-     )
-     (if
-      (i32.lt_s
-       (local.get $1)
-       (i32.const 0)
-      )
-      (local.set $1
-       (i32.add
-        (local.get $1)
-        (i32.load offset=4
-         (local.get $2)
-        )
-       )
-      )
-     )
-     (if
-      (i32.le_u
-       (i32.load offset=4
-        (local.get $2)
-       )
-       (local.get $1)
-      )
-      (drop
-       (call $panicWithException_0
-        (global.get $GRAIN$EXPORT$panicWithException_0)
-        (block $allocate_adt.4 (result i32)
-         (i32.store
-          (local.tee $0
-           (call $malloc_0
-            (global.get $GRAIN$EXPORT$malloc_0)
-            (i32.const 20)
-           )
-          )
-          (i32.const 2)
-         )
-         (i32.store offset=4
-          (local.get $0)
-          (i32.const 1)
-         )
-         (i32.store offset=8
-          (local.get $0)
-          (i32.const 5)
-         )
-         (i32.store offset=12
-          (local.get $0)
-          (i32.const 67)
-         )
-         (i32.store offset=16
-          (local.get $0)
-          (i32.const 0)
-         )
-         (local.get $0)
-        )
-       )
-      )
-     )
-    )
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (i32.load offset=8
-      (i32.add
-       (i32.shl
-        (local.get $1)
-        (i32.const 2)
-       )
-       (local.get $2)
-      )
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind x_1113 Managed)
+        ((instr_desc
+          (MAllocate
+           (MArray
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MArrayOp
+      (MArrayGet
+       ((immediate_desc (MImmConst (MConstI32 2)))
+        (immediate_analyses ((last_usage Unknown)))))
+      ((immediate_desc (MImmBinding (MGlobalBind x_1113 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name x)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/arrays.74d79181.0.snapshot b/compiler/test/__snapshots__/arrays.74d79181.0.snapshot
index 11a9b199a..d0b5bde11 100644
--- a/compiler/test/__snapshots__/arrays.74d79181.0.snapshot
+++ b/compiler/test/__snapshots__/arrays.74d79181.0.snapshot
@@ -1,250 +1,28 @@
 arrays › array_access5
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/exception.gr\" \"GRAIN$EXPORT$panicWithException\" (global $GRAIN$EXPORT$panicWithException_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/exception.gr\" \"panicWithException\" (func $panicWithException_0 (param i32 i32) (result i32)))
- (global $x_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.10 (result i32)
-   (block $compile_store.3
-    (global.set $x_1113
-     (block $allocate_array.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 4)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 5)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 7)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $MArrayGet.9 (result i32)
-    (local.set $1
-     (i32.const -5)
-    )
-    (local.set $2
-     (global.get $x_1113)
-    )
-    (block $resolve_idx.8
-     (if
-      (i32.eqz
-       (i32.and
-        (local.get $1)
-        (i32.const 1)
-       )
-      )
-      (block $IndexNotSimpleInteger.7
-       (local.set $1
-        (i32.load offset=4
-         (local.get $1)
-        )
-       )
-       (drop
-        (if (result i32)
-         (i32.or
-          (i32.eq
-           (local.get $1)
-           (i32.const 2)
-          )
-          (i32.eq
-           (local.get $1)
-           (i32.const 4)
-          )
-         )
-         (call $panicWithException_0
-          (global.get $GRAIN$EXPORT$panicWithException_0)
-          (block $allocate_adt.6 (result i32)
-           (i32.store
-            (local.tee $0
-             (call $malloc_0
-              (global.get $GRAIN$EXPORT$malloc_0)
-              (i32.const 20)
-             )
-            )
-            (i32.const 2)
-           )
-           (i32.store offset=4
-            (local.get $0)
-            (i32.const 1)
-           )
-           (i32.store offset=8
-            (local.get $0)
-            (i32.const 5)
-           )
-           (i32.store offset=12
-            (local.get $0)
-            (i32.const 67)
-           )
-           (i32.store offset=16
-            (local.get $0)
-            (i32.const 0)
-           )
-           (local.get $0)
-          )
-         )
-         (call $panicWithException_0
-          (global.get $GRAIN$EXPORT$panicWithException_0)
-          (block $allocate_adt.5 (result i32)
-           (i32.store
-            (local.tee $0
-             (call $malloc_0
-              (global.get $GRAIN$EXPORT$malloc_0)
-              (i32.const 20)
-             )
-            )
-            (i32.const 2)
-           )
-           (i32.store offset=4
-            (local.get $0)
-            (i32.const 1)
-           )
-           (i32.store offset=8
-            (local.get $0)
-            (i32.const 5)
-           )
-           (i32.store offset=12
-            (local.get $0)
-            (i32.const 69)
-           )
-           (i32.store offset=16
-            (local.get $0)
-            (i32.const 0)
-           )
-           (local.get $0)
-          )
-         )
-        )
-       )
-      )
-     )
-     (local.set $1
-      (i32.shr_s
-       (local.get $1)
-       (i32.const 1)
-      )
-     )
-     (if
-      (i32.lt_s
-       (local.get $1)
-       (i32.const 0)
-      )
-      (local.set $1
-       (i32.add
-        (local.get $1)
-        (i32.load offset=4
-         (local.get $2)
-        )
-       )
-      )
-     )
-     (if
-      (i32.le_u
-       (i32.load offset=4
-        (local.get $2)
-       )
-       (local.get $1)
-      )
-      (drop
-       (call $panicWithException_0
-        (global.get $GRAIN$EXPORT$panicWithException_0)
-        (block $allocate_adt.4 (result i32)
-         (i32.store
-          (local.tee $0
-           (call $malloc_0
-            (global.get $GRAIN$EXPORT$malloc_0)
-            (i32.const 20)
-           )
-          )
-          (i32.const 2)
-         )
-         (i32.store offset=4
-          (local.get $0)
-          (i32.const 1)
-         )
-         (i32.store offset=8
-          (local.get $0)
-          (i32.const 5)
-         )
-         (i32.store offset=12
-          (local.get $0)
-          (i32.const 67)
-         )
-         (i32.store offset=16
-          (local.get $0)
-          (i32.const 0)
-         )
-         (local.get $0)
-        )
-       )
-      )
-     )
-    )
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (i32.load offset=8
-      (i32.add
-       (i32.shl
-        (local.get $1)
-        (i32.const 2)
-       )
-       (local.get $2)
-      )
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind x_1113 Managed)
+        ((instr_desc
+          (MAllocate
+           (MArray
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MArrayOp
+      (MArrayGet
+       ((immediate_desc (MImmConst (MConstI32 -3)))
+        (immediate_analyses ((last_usage Unknown)))))
+      ((immediate_desc (MImmBinding (MGlobalBind x_1113 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name x)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/arrays.9e17b4d1.0.snapshot b/compiler/test/__snapshots__/arrays.9e17b4d1.0.snapshot
index 356b660f0..bbd587e82 100644
--- a/compiler/test/__snapshots__/arrays.9e17b4d1.0.snapshot
+++ b/compiler/test/__snapshots__/arrays.9e17b4d1.0.snapshot
@@ -1,65 +1,18 @@
 arrays › array3
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_array.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 20)
-      )
-     )
-     (i32.const 4)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 3)
-    )
-    (i32.store offset=8
-     (local.get $0)
-     (i32.const 3)
-    )
-    (i32.store offset=12
-     (local.get $0)
-     (i32.const 5)
-    )
-    (i32.store offset=16
-     (local.get $0)
-     (i32.const 7)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MAllocate
+      (MArray
+       (((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 2)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 3)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/arrays.b85cb7fc.0.snapshot b/compiler/test/__snapshots__/arrays.b85cb7fc.0.snapshot
index 4ec5675f0..343071485 100644
--- a/compiler/test/__snapshots__/arrays.b85cb7fc.0.snapshot
+++ b/compiler/test/__snapshots__/arrays.b85cb7fc.0.snapshot
@@ -1,65 +1,18 @@
 arrays › array1_trailing_space
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_array.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 20)
-      )
-     )
-     (i32.const 4)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 3)
-    )
-    (i32.store offset=8
-     (local.get $0)
-     (i32.const 3)
-    )
-    (i32.store offset=12
-     (local.get $0)
-     (i32.const 5)
-    )
-    (i32.store offset=16
-     (local.get $0)
-     (i32.const 7)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MAllocate
+      (MArray
+       (((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 2)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 3)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.00bcbc39.0.snapshot b/compiler/test/__snapshots__/basic_functionality.00bcbc39.0.snapshot
index 761bd6d9f..901140719 100644
--- a/compiler/test/__snapshots__/basic_functionality.00bcbc39.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.00bcbc39.0.snapshot
@@ -1,85 +1,52 @@
 basic functionality › assignment1
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$*\" (global $*_1117 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"*\" (func $*_1117 (param i32 i32 i32) (result i32)))
- (global $t_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.6 (result i32)
-   (block $compile_store.2
-    (global.set $t_1113
-     (i32.const 5)
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (block $compile_store.4
-    (local.set $6
-     (call $*_1117
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $*_1117)
-      )
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $t_1113)
-      )
-      (i32.const 5)
-     )
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (block $compile_set.5 (result i32)
-    (global.set $t_1113
-     (tuple.extract 0
-      (tuple.make
-       (call $incRef_0
-        (global.get $GRAIN$EXPORT$incRef_0)
-        (local.get $6)
-       )
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (global.get $t_1113)
-       )
-      )
-     )
-    )
-    (i32.const 1879048190)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name *))) (mimp_mod pervasives.gr) (mimp_name *)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name *))) (mimp_mod pervasives.gr) (mimp_name *)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind t_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstI32 2)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MCallKnown (func *_1117)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind *_1117 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) (Managed)))
+           (args
+            (((immediate_desc
+               (MIncRef
+                ((immediate_desc (MImmBinding (MGlobalBind t_1113 Managed)))
+                 (immediate_analyses ((last_usage Unknown))))))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MSet (MGlobalBind t_1113 Managed)
+      ((instr_desc
+        (MImmediate
+         ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+          (immediate_analyses ((last_usage Last))))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name t)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.00cfdb2e.0.snapshot b/compiler/test/__snapshots__/basic_functionality.00cfdb2e.0.snapshot
index aa59bf5b1..17fd9e931 100644
--- a/compiler/test/__snapshots__/basic_functionality.00cfdb2e.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.00cfdb2e.0.snapshot
@@ -1,35 +1,13 @@
 basic functionality › binop2.4
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const -3)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstI32 -2)))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.03de4778.0.snapshot b/compiler/test/__snapshots__/basic_functionality.03de4778.0.snapshot
index 10e9abfad..975015b11 100644
--- a/compiler/test/__snapshots__/basic_functionality.03de4778.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.03de4778.0.snapshot
@@ -1,35 +1,13 @@
 basic functionality › neg
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const -79)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstI32 -40)))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.040643b3.0.snapshot b/compiler/test/__snapshots__/basic_functionality.040643b3.0.snapshot
index 623579219..66f8fcc2c 100644
--- a/compiler/test/__snapshots__/basic_functionality.040643b3.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.040643b3.0.snapshot
@@ -1,67 +1,48 @@
 basic functionality › comp5
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$<\" (global $<_1114 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"<\" (func $<_1114 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.5 (result i32)
-   (block $compile_store.2
-    (local.set $6
-     (call $<_1114
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $<_1114)
-      )
-      (i32.const 5)
-      (i32.const 7)
-     )
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (if (result i32)
-    (i32.shr_u
-     (local.get $6)
-     (i32.const 31)
-    )
-    (block $compile_block.3 (result i32)
-     (i32.const 9)
-    )
-    (block $compile_block.4 (result i32)
-     (i32.const 11)
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name <))) (mimp_mod pervasives.gr) (mimp_name <)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name <))) (mimp_mod pervasives.gr) (mimp_name <)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MCallKnown (func <_1114)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind <_1114 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+           (args
+            (((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MIf
+      ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+       (immediate_analyses ((last_usage Last))))
+      (((instr_desc
+         (MImmediate
+          ((immediate_desc (MImmConst (MConstI32 4)))
+           (immediate_analyses ((last_usage Unknown))))))))
+      (((instr_desc
+         (MImmediate
+          ((immediate_desc (MImmConst (MConstI32 5)))
+           (immediate_analyses ((last_usage Unknown)))))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 1) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.06bd2a80.0.snapshot b/compiler/test/__snapshots__/basic_functionality.06bd2a80.0.snapshot
index 7dcb135c2..cfac5f319 100644
--- a/compiler/test/__snapshots__/basic_functionality.06bd2a80.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.06bd2a80.0.snapshot
@@ -1,64 +1,22 @@
 basic functionality › assignment1
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (global $t_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.4 (result i32)
-   (block $compile_store.2
-    (global.set $t_1113
-     (i32.const 5)
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (block $compile_set.3 (result i32)
-    (global.set $t_1113
-     (tuple.extract 0
-      (tuple.make
-       (call $incRef_0
-        (global.get $GRAIN$EXPORT$incRef_0)
-        (i32.const 3)
-       )
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (global.get $t_1113)
-       )
-      )
-     )
-    )
-    (i32.const 1879048190)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind t_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstI32 2)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MSet (MGlobalBind t_1113 Managed)
+      ((instr_desc
+        (MImmediate
+         ((immediate_desc (MImmConst (MConstI32 1)))
+          (immediate_analyses ((last_usage Unknown))))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name t)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.0996c5f7.0.snapshot b/compiler/test/__snapshots__/basic_functionality.0996c5f7.0.snapshot
index cf6e10609..467b63cf8 100644
--- a/compiler/test/__snapshots__/basic_functionality.0996c5f7.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.0996c5f7.0.snapshot
@@ -1,48 +1,33 @@
 basic functionality › modulo4
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$%\" (global $%_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"%\" (func $%_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $%_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $%_1113)
-    )
-    (i32.const -33)
-    (i32.const 35)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name %))) (mimp_mod pervasives.gr) (mimp_name %)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name %))) (mimp_mod pervasives.gr) (mimp_name %)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func %_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind %_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 -17)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 17)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.0a230f18.0.snapshot b/compiler/test/__snapshots__/basic_functionality.0a230f18.0.snapshot
index bc8734bd2..8b0f04187 100644
--- a/compiler/test/__snapshots__/basic_functionality.0a230f18.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.0a230f18.0.snapshot
@@ -1,48 +1,33 @@
 basic functionality › land4
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$&\" (global $&_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"&\" (func $&_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $&_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $&_1113)
-    )
-    (i32.const 1)
-    (i32.const 1)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name &))) (mimp_mod pervasives.gr) (mimp_name &)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name &))) (mimp_mod pervasives.gr) (mimp_name &)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func &_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind &_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 0)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 0)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.0a2e4afa.0.snapshot b/compiler/test/__snapshots__/basic_functionality.0a2e4afa.0.snapshot
index dc2f4c8c0..584c76276 100644
--- a/compiler/test/__snapshots__/basic_functionality.0a2e4afa.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.0a2e4afa.0.snapshot
@@ -1,48 +1,33 @@
 basic functionality › lxor1
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$^\" (global $^_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"^\" (func $^_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $^_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $^_1113)
-    )
-    (i32.const 3)
-    (i32.const 3)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name ^))) (mimp_mod pervasives.gr) (mimp_name ^)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name ^))) (mimp_mod pervasives.gr) (mimp_name ^)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func ^_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind ^_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.0c0b170b.0.snapshot b/compiler/test/__snapshots__/basic_functionality.0c0b170b.0.snapshot
index 2381f4173..a51e6996f 100644
--- a/compiler/test/__snapshots__/basic_functionality.0c0b170b.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.0c0b170b.0.snapshot
@@ -1,48 +1,33 @@
 basic functionality › lor1
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$|\" (global $|_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"|\" (func $|_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $|_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $|_1113)
-    )
-    (i32.const 3)
-    (i32.const 3)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name |))) (mimp_mod pervasives.gr) (mimp_name |)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name |))) (mimp_mod pervasives.gr) (mimp_name |)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func |_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind |_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.0c400bde.0.snapshot b/compiler/test/__snapshots__/basic_functionality.0c400bde.0.snapshot
index 1f2757e89..0a542c834 100644
--- a/compiler/test/__snapshots__/basic_functionality.0c400bde.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.0c400bde.0.snapshot
@@ -1,48 +1,33 @@
 basic functionality › modulo6
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$%\" (global $%_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"%\" (func $%_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $%_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $%_1113)
-    )
-    (i32.const 35)
-    (i32.const 35)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name %))) (mimp_mod pervasives.gr) (mimp_name %)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name %))) (mimp_mod pervasives.gr) (mimp_name %)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func %_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind %_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 17)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 17)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.0e812a39.0.snapshot b/compiler/test/__snapshots__/basic_functionality.0e812a39.0.snapshot
index ac5ef3233..f3a56107b 100644
--- a/compiler/test/__snapshots__/basic_functionality.0e812a39.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.0e812a39.0.snapshot
@@ -1,65 +1,58 @@
 basic functionality › precedence1
-(module
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$*\" (global $*_1116 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"*\" (func $*_1116 (param i32 i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.3
-   (block $compile_store.2
-    (local.set $6
-     (call $*_1116
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $*_1116)
-      )
-      (i32.const 9)
-      (i32.const 13)
-     )
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (return_call $+_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $+_1113)
-    )
-    (i32.const 7)
-    (local.get $6)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name *))) (mimp_mod pervasives.gr) (mimp_name *)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name *))) (mimp_mod pervasives.gr) (mimp_name *)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MCallKnown (func *_1116)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind *_1116 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) (Managed)))
+           (args
+            (((immediate_desc (MImmConst (MConstI32 4)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 6)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func +_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind +_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 3)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.0f79ce35.0.snapshot b/compiler/test/__snapshots__/basic_functionality.0f79ce35.0.snapshot
index 1ba18ed5d..84f8e8393 100644
--- a/compiler/test/__snapshots__/basic_functionality.0f79ce35.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.0f79ce35.0.snapshot
@@ -1,48 +1,34 @@
 basic functionality › comp16
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$==\" (global $==_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"==\" (func $==_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $==_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $==_1113)
-    )
-    (i32.const 2147483646)
-    (i32.const 2147483646)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name ==))) (mimp_mod pervasives.gr) (mimp_name ==)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name ==))) (mimp_mod pervasives.gr) (mimp_name ==)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func ==_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind ==_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type
+       (((Unmanaged WasmI32) (Unmanaged WasmI32)) ((Unmanaged WasmI32))))
+      (args
+       (((immediate_desc (MImmConst (MConstLiteral (MConstI32 2147483646))))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstLiteral (MConstI32 2147483646))))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.10dda088.0.snapshot b/compiler/test/__snapshots__/basic_functionality.10dda088.0.snapshot
index ac8a9e2d2..ca4645dce 100644
--- a/compiler/test/__snapshots__/basic_functionality.10dda088.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.10dda088.0.snapshot
@@ -1,67 +1,48 @@
 basic functionality › comp3
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$>=\" (global $>=_1114 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \">=\" (func $>=_1114 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.5 (result i32)
-   (block $compile_store.2
-    (local.set $6
-     (call $>=_1114
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $>=_1114)
-      )
-      (i32.const 5)
-      (i32.const 7)
-     )
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (if (result i32)
-    (i32.shr_u
-     (local.get $6)
-     (i32.const 31)
-    )
-    (block $compile_block.3 (result i32)
-     (i32.const 9)
-    )
-    (block $compile_block.4 (result i32)
-     (i32.const 11)
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name >=))) (mimp_mod pervasives.gr) (mimp_name >=)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name >=))) (mimp_mod pervasives.gr) (mimp_name >=)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MCallKnown (func >=_1114)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind >=_1114 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+           (args
+            (((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MIf
+      ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+       (immediate_analyses ((last_usage Last))))
+      (((instr_desc
+         (MImmediate
+          ((immediate_desc (MImmConst (MConstI32 4)))
+           (immediate_analyses ((last_usage Unknown))))))))
+      (((instr_desc
+         (MImmediate
+          ((immediate_desc (MImmConst (MConstI32 5)))
+           (immediate_analyses ((last_usage Unknown)))))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 1) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.122e74b0.0.snapshot b/compiler/test/__snapshots__/basic_functionality.122e74b0.0.snapshot
index 86fd6579e..eb165c881 100644
--- a/compiler/test/__snapshots__/basic_functionality.122e74b0.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.122e74b0.0.snapshot
@@ -1,112 +1,50 @@
 basic functionality › print_line_ending1
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$print\" (global $print_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"print\" (func $print_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.7
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_string.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 8)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_adt.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 24)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 501102191)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (local.get $6)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (return_call $print_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $print_1113)
-    )
-    (i32.const 3)
-    (local.get $7)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name print))) (mimp_mod pervasives.gr) (mimp_name print)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name print))) (mimp_mod pervasives.gr) (mimp_name print)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed) ((instr_desc (MAllocate (MString \"\")))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 250551095)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 3)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func print_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind print_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 2) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.125626a9.0.snapshot b/compiler/test/__snapshots__/basic_functionality.125626a9.0.snapshot
index e0f7a5415..c6ef4f5ee 100644
--- a/compiler/test/__snapshots__/basic_functionality.125626a9.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.125626a9.0.snapshot
@@ -1,48 +1,33 @@
 basic functionality › orshadow
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1114 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1114 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $+_1114
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $+_1114)
-    )
-    (i32.const 3)
-    (i32.const 5)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func +_1114)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind +_1114 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 2)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.13335202.0.snapshot b/compiler/test/__snapshots__/basic_functionality.13335202.0.snapshot
index da00cb8d1..2129eaacb 100644
--- a/compiler/test/__snapshots__/basic_functionality.13335202.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.13335202.0.snapshot
@@ -1,65 +1,58 @@
 basic functionality › precedence2
-(module
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$*\" (global $*_1115 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"*\" (func $*_1115 (param i32 i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.3
-   (block $compile_store.2
-    (local.set $6
-     (call $*_1115
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $*_1115)
-      )
-      (i32.const 9)
-      (i32.const 13)
-     )
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (return_call $+_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $+_1113)
-    )
-    (local.get $6)
-    (i32.const 7)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name *))) (mimp_mod pervasives.gr) (mimp_name *)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name *))) (mimp_mod pervasives.gr) (mimp_name *)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MCallKnown (func *_1115)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind *_1115 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) (Managed)))
+           (args
+            (((immediate_desc (MImmConst (MConstI32 4)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 6)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func +_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind +_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+         (immediate_analyses ((last_usage Last))))
+        ((immediate_desc (MImmConst (MConstI32 3)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.1ad0f349.0.snapshot b/compiler/test/__snapshots__/basic_functionality.1ad0f349.0.snapshot
index 5d0d6a865..ea8bcce9d 100644
--- a/compiler/test/__snapshots__/basic_functionality.1ad0f349.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.1ad0f349.0.snapshot
@@ -1,65 +1,58 @@
 basic functionality › precedence3
-(module
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$%\" (global $%_1116 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"%\" (func $%_1116 (param i32 i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.3
-   (block $compile_store.2
-    (local.set $6
-     (call $%_1116
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $%_1116)
-      )
-      (i32.const 9)
-      (i32.const 13)
-     )
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (return_call $+_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $+_1113)
-    )
-    (i32.const 7)
-    (local.get $6)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name %))) (mimp_mod pervasives.gr) (mimp_name %)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name %))) (mimp_mod pervasives.gr) (mimp_name %)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MCallKnown (func %_1116)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind %_1116 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) (Managed)))
+           (args
+            (((immediate_desc (MImmConst (MConstI32 4)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 6)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func +_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind +_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 3)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.1ae16d82.0.snapshot b/compiler/test/__snapshots__/basic_functionality.1ae16d82.0.snapshot
index c4ac6bdb5..e08790f3b 100644
--- a/compiler/test/__snapshots__/basic_functionality.1ae16d82.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.1ae16d82.0.snapshot
@@ -1,48 +1,33 @@
 basic functionality › binop4
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$*\" (global $*_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"*\" (func $*_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $*_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $*_1113)
-    )
-    (i32.const 5)
-    (i32.const 7)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name *))) (mimp_mod pervasives.gr) (mimp_name *)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name *))) (mimp_mod pervasives.gr) (mimp_name *)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func *_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind *_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 2)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 3)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.1b68c8db.0.snapshot b/compiler/test/__snapshots__/basic_functionality.1b68c8db.0.snapshot
index 2754fe0c8..5b1d94acd 100644
--- a/compiler/test/__snapshots__/basic_functionality.1b68c8db.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.1b68c8db.0.snapshot
@@ -1,48 +1,33 @@
 basic functionality › lsl1
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$<<\" (global $<<_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"<<\" (func $<<_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $<<_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $<<_1113)
-    )
-    (i32.const 15)
-    (i32.const 3)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name <<))) (mimp_mod pervasives.gr) (mimp_name <<)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name <<))) (mimp_mod pervasives.gr) (mimp_name <<)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func <<_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind <<_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 7)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.1bf5759c.0.snapshot b/compiler/test/__snapshots__/basic_functionality.1bf5759c.0.snapshot
index 1b7cb1b03..4ba4f71b1 100644
--- a/compiler/test/__snapshots__/basic_functionality.1bf5759c.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.1bf5759c.0.snapshot
@@ -1,72 +1,101 @@
 basic functionality › unsafe_wasm_globals
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_f64_=>_i32 (func (param i32 f64) (result i32)))
- (type $i32_f32_=>_i32 (func (param i32 f32) (result i32)))
- (type $i32_i64_=>_i32 (func (param i32 i64) (result i32)))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$unsafeWasmGlobalsExports.gr\" \"GRAIN$EXPORT$_F64_VAL\" (global $_F64_VAL_1159 (mut f64)))
- (import \"GRAIN$MODULE$runtime/debugPrint.gr\" \"GRAIN$EXPORT$printF64\" (global $printF64_1158 (mut i32)))
- (import \"GRAIN$MODULE$unsafeWasmGlobalsExports.gr\" \"GRAIN$EXPORT$_F32_VAL\" (global $_F32_VAL_1157 (mut f32)))
- (import \"GRAIN$MODULE$runtime/debugPrint.gr\" \"GRAIN$EXPORT$printF32\" (global $printF32_1156 (mut i32)))
- (import \"GRAIN$MODULE$unsafeWasmGlobalsExports.gr\" \"GRAIN$EXPORT$_I64_VAL\" (global $_I64_VAL_1155 (mut i64)))
- (import \"GRAIN$MODULE$runtime/debugPrint.gr\" \"GRAIN$EXPORT$printI64\" (global $printI64_1154 (mut i32)))
- (import \"GRAIN$MODULE$unsafeWasmGlobalsExports.gr\" \"GRAIN$EXPORT$_I32_VAL\" (global $_I32_VAL_1153 (mut i32)))
- (import \"GRAIN$MODULE$runtime/debugPrint.gr\" \"GRAIN$EXPORT$printI32\" (global $printI32_1152 (mut i32)))
- (import \"GRAIN$MODULE$runtime/debugPrint.gr\" \"printF64\" (func $printF64_1158 (param i32 f64) (result i32)))
- (import \"GRAIN$MODULE$runtime/debugPrint.gr\" \"printF32\" (func $printF32_1156 (param i32 f32) (result i32)))
- (import \"GRAIN$MODULE$runtime/debugPrint.gr\" \"printI64\" (func $printI64_1154 (param i32 i64) (result i32)))
- (import \"GRAIN$MODULE$runtime/debugPrint.gr\" \"printI32\" (func $printI32_1152 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (drop
-    (call $printI32_1152
-     (global.get $printI32_1152)
-     (global.get $_I32_VAL_1153)
-    )
-   )
-   (drop
-    (call $printI64_1154
-     (global.get $printI64_1154)
-     (global.get $_I64_VAL_1155)
-    )
-   )
-   (drop
-    (call $printF32_1156
-     (global.get $printF32_1156)
-     (global.get $_F32_VAL_1157)
-    )
-   )
-   (return_call $printF64_1158
-    (global.get $printF64_1158)
-    (global.get $_F64_VAL_1159)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 509
-)
+((functions ())
+ (imports
+  (((mimp_id ((name _F64_VAL))) (mimp_mod unsafeWasmGlobalsExports.gr)
+    (mimp_name _F64_VAL) (mimp_type (MGlobalImport (Unmanaged WasmF64) true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((name printF64))) (mimp_mod runtime/debugPrint.gr)
+    (mimp_name printF64)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmF64)) ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name printF64))) (mimp_mod runtime/debugPrint.gr)
+    (mimp_name printF64) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((name _F32_VAL))) (mimp_mod unsafeWasmGlobalsExports.gr)
+    (mimp_name _F32_VAL) (mimp_type (MGlobalImport (Unmanaged WasmF32) true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((name printF32))) (mimp_mod runtime/debugPrint.gr)
+    (mimp_name printF32)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmF32)) ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name printF32))) (mimp_mod runtime/debugPrint.gr)
+    (mimp_name printF32) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((name _I64_VAL))) (mimp_mod unsafeWasmGlobalsExports.gr)
+    (mimp_name _I64_VAL) (mimp_type (MGlobalImport (Unmanaged WasmI64) true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((name printI64))) (mimp_mod runtime/debugPrint.gr)
+    (mimp_name printI64)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI64)) ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name printI64))) (mimp_mod runtime/debugPrint.gr)
+    (mimp_name printI64) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((name _I32_VAL))) (mimp_mod unsafeWasmGlobalsExports.gr)
+    (mimp_name _I32_VAL) (mimp_type (MGlobalImport (Unmanaged WasmI32) true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((name printI32))) (mimp_mod runtime/debugPrint.gr)
+    (mimp_name printI32)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32)) ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name printI32))) (mimp_mod runtime/debugPrint.gr)
+    (mimp_name printI32) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MDrop
+      ((instr_desc
+        (MCallKnown (func printI32_1152)
+         (closure
+          ((immediate_desc (MImmBinding (MGlobalBind printI32_1152 Managed)))
+           (immediate_analyses ((last_usage Unknown)))))
+         (func_type (((Unmanaged WasmI32)) ((Unmanaged WasmI32))))
+         (args
+          (((immediate_desc
+             (MImmBinding (MGlobalBind _I32_VAL_1153 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MCallKnown (func printI64_1154)
+         (closure
+          ((immediate_desc (MImmBinding (MGlobalBind printI64_1154 Managed)))
+           (immediate_analyses ((last_usage Unknown)))))
+         (func_type (((Unmanaged WasmI64)) ((Unmanaged WasmI32))))
+         (args
+          (((immediate_desc
+             (MImmBinding (MGlobalBind _I64_VAL_1155 (Unmanaged WasmI64))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MCallKnown (func printF32_1156)
+         (closure
+          ((immediate_desc (MImmBinding (MGlobalBind printF32_1156 Managed)))
+           (immediate_analyses ((last_usage Unknown)))))
+         (func_type (((Unmanaged WasmF32)) ((Unmanaged WasmI32))))
+         (args
+          (((immediate_desc
+             (MImmBinding (MGlobalBind _F32_VAL_1157 (Unmanaged WasmF32))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func printF64_1158)
+      (closure
+       ((immediate_desc (MImmBinding (MGlobalBind printF64_1158 Managed)))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type (((Unmanaged WasmF64)) ((Unmanaged WasmI32))))
+      (args
+       (((immediate_desc
+          (MImmBinding (MGlobalBind _F64_VAL_1159 (Unmanaged WasmF64))))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.1d2ec323.0.snapshot b/compiler/test/__snapshots__/basic_functionality.1d2ec323.0.snapshot
index 020c5a128..0dd7da048 100644
--- a/compiler/test/__snapshots__/basic_functionality.1d2ec323.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.1d2ec323.0.snapshot
@@ -1,260 +1,107 @@
 basic functionality › comp22
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$isnt\" (global $isnt_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"isnt\" (func $isnt_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (block $compile_block.19
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_tuple.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 12)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_adt.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.9
-    (local.set $8
-     (block $allocate_adt.7 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (local.get $6)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $7)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $compile_store.12
-    (local.set $9
-     (block $allocate_tuple.10 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 12)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.11
-    )
-   )
-   (block $compile_store.15
-    (local.set $10
-     (block $allocate_adt.13 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.14
-    )
-   )
-   (block $compile_store.18
-    (local.set $11
-     (block $allocate_adt.16 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (local.get $9)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $10)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.17
-    )
-   )
-   (return_call $isnt_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $isnt_1113)
-    )
-    (local.get $8)
-    (local.get $11)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name isnt))) (mimp_mod pervasives.gr) (mimp_name isnt)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name isnt))) (mimp_mod pervasives.gr) (mimp_name isnt)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MBox
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown)))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))
+             ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MAllocate
+           (MBox
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown)))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 5 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+              (immediate_analyses ((last_usage Last))))
+             ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func isnt_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind isnt_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+         (immediate_analyses ((last_usage Last))))
+        ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 6) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.1e4b1f39.0.snapshot b/compiler/test/__snapshots__/basic_functionality.1e4b1f39.0.snapshot
index 147bc9682..4aa86f09a 100644
--- a/compiler/test/__snapshots__/basic_functionality.1e4b1f39.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.1e4b1f39.0.snapshot
@@ -1,48 +1,33 @@
 basic functionality › land1
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$&\" (global $&_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"&\" (func $&_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $&_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $&_1113)
-    )
-    (i32.const 3)
-    (i32.const 3)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name &))) (mimp_mod pervasives.gr) (mimp_name &)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name &))) (mimp_mod pervasives.gr) (mimp_name &)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func &_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind &_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.1f787365.0.snapshot b/compiler/test/__snapshots__/basic_functionality.1f787365.0.snapshot
index 6039c5a95..9310368cb 100644
--- a/compiler/test/__snapshots__/basic_functionality.1f787365.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.1f787365.0.snapshot
@@ -1,88 +1,52 @@
 basic functionality › orshort2
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$print\" (global $print_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"print\" (func $print_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.4 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_adt.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 501102191)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (drop
-    (call $print_1113
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (global.get $print_1113)
-     )
-     (i32.const 3)
-     (local.get $6)
-    )
-   )
-   (i32.const 2147483646)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name print))) (mimp_mod pervasives.gr) (mimp_name print)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name print))) (mimp_mod pervasives.gr) (mimp_name print)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 250551095)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 3)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MCallKnown (func print_1113)
+         (closure
+          ((immediate_desc
+            (MIncRef
+             ((immediate_desc (MImmBinding (MGlobalBind print_1113 Managed)))
+              (immediate_analyses ((last_usage Last))))))
+           (immediate_analyses ((last_usage Unknown)))))
+         (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+         (args
+          (((immediate_desc (MImmConst (MConstI32 1)))
+            (immediate_analyses ((last_usage Unknown))))
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstLiteral (MConstI32 2147483646))))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.20f7581b.0.snapshot b/compiler/test/__snapshots__/basic_functionality.20f7581b.0.snapshot
index b793ef5c1..efa319c05 100644
--- a/compiler/test/__snapshots__/basic_functionality.20f7581b.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.20f7581b.0.snapshot
@@ -1,35 +1,13 @@
 basic functionality › simple_min
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const -2147483647)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstI32 -1073741824)))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.240ef39e.0.snapshot b/compiler/test/__snapshots__/basic_functionality.240ef39e.0.snapshot
index a37c84ec6..dbbed7c9c 100644
--- a/compiler/test/__snapshots__/basic_functionality.240ef39e.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.240ef39e.0.snapshot
@@ -1,67 +1,48 @@
 basic functionality › comp4
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$>\" (global $>_1114 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \">\" (func $>_1114 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.5 (result i32)
-   (block $compile_store.2
-    (local.set $6
-     (call $>_1114
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $>_1114)
-      )
-      (i32.const 5)
-      (i32.const 7)
-     )
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (if (result i32)
-    (i32.shr_u
-     (local.get $6)
-     (i32.const 31)
-    )
-    (block $compile_block.3 (result i32)
-     (i32.const 9)
-    )
-    (block $compile_block.4 (result i32)
-     (i32.const 11)
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name >))) (mimp_mod pervasives.gr) (mimp_name >)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name >))) (mimp_mod pervasives.gr) (mimp_name >)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MCallKnown (func >_1114)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind >_1114 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+           (args
+            (((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MIf
+      ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+       (immediate_analyses ((last_usage Last))))
+      (((instr_desc
+         (MImmediate
+          ((immediate_desc (MImmConst (MConstI32 4)))
+           (immediate_analyses ((last_usage Unknown))))))))
+      (((instr_desc
+         (MImmediate
+          ((immediate_desc (MImmConst (MConstI32 5)))
+           (immediate_analyses ((last_usage Unknown)))))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 1) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.2756b429.0.snapshot b/compiler/test/__snapshots__/basic_functionality.2756b429.0.snapshot
index 269bbdd8a..c4cb5f237 100644
--- a/compiler/test/__snapshots__/basic_functionality.2756b429.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.2756b429.0.snapshot
@@ -1,35 +1,13 @@
 basic functionality › forty
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const 81)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstI32 40)))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.27a7e2f7.0.snapshot b/compiler/test/__snapshots__/basic_functionality.27a7e2f7.0.snapshot
index cdd63deb0..1fe5a735e 100644
--- a/compiler/test/__snapshots__/basic_functionality.27a7e2f7.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.27a7e2f7.0.snapshot
@@ -1,65 +1,9 @@
 basic functionality › bigint_start_pos
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_number.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 24)
-      )
-     )
-     (i32.const 5)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 4)
-    )
-    (i32.store offset=8
-     (local.get $0)
-     (i32.const 1)
-    )
-    (i32.store offset=12
-     (local.get $0)
-     (i32.const 0)
-    )
-    (i64.store offset=16
-     (local.get $0)
-     (i64.const -1)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body (((instr_desc (MAllocate (MBigInt (flags ()) (limbs (-1))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.28405f1f.0.snapshot b/compiler/test/__snapshots__/basic_functionality.28405f1f.0.snapshot
index e93614609..c85a42556 100644
--- a/compiler/test/__snapshots__/basic_functionality.28405f1f.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.28405f1f.0.snapshot
@@ -1,65 +1,58 @@
 basic functionality › precedence4
-(module
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$%\" (global $%_1115 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"%\" (func $%_1115 (param i32 i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.3
-   (block $compile_store.2
-    (local.set $6
-     (call $%_1115
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $%_1115)
-      )
-      (i32.const 9)
-      (i32.const 13)
-     )
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (return_call $+_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $+_1113)
-    )
-    (local.get $6)
-    (i32.const 7)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name %))) (mimp_mod pervasives.gr) (mimp_name %)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name %))) (mimp_mod pervasives.gr) (mimp_name %)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MCallKnown (func %_1115)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind %_1115 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) (Managed)))
+           (args
+            (((immediate_desc (MImmConst (MConstI32 4)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 6)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func +_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind +_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+         (immediate_analyses ((last_usage Last))))
+        ((immediate_desc (MImmConst (MConstI32 3)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.28bf4c9e.0.snapshot b/compiler/test/__snapshots__/basic_functionality.28bf4c9e.0.snapshot
index 0237f8d80..375889190 100644
--- a/compiler/test/__snapshots__/basic_functionality.28bf4c9e.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.28bf4c9e.0.snapshot
@@ -1,48 +1,33 @@
 basic functionality › binop2
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$-\" (global $-_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"-\" (func $-_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $-_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $-_1113)
-    )
-    (i32.const 5)
-    (i32.const 5)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name -))) (mimp_mod pervasives.gr) (mimp_name -)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name -))) (mimp_mod pervasives.gr) (mimp_name -)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func -_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind -_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 2)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 2)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.2bcc447b.0.snapshot b/compiler/test/__snapshots__/basic_functionality.2bcc447b.0.snapshot
index 2096b8083..8106e7a60 100644
--- a/compiler/test/__snapshots__/basic_functionality.2bcc447b.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.2bcc447b.0.snapshot
@@ -1,186 +1,95 @@
 basic functionality › assert2
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/exception.gr\" \"GRAIN$EXPORT$panicWithException\" (global $GRAIN$EXPORT$panicWithException_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1116 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$==\" (global $==_1114 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/exception.gr\" \"panicWithException\" (func $panicWithException_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1116 (param i32 i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"==\" (func $==_1114 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (block $compile_block.14 (result i32)
-   (block $compile_store.2
-    (local.set $6
-     (call $+_1116
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $+_1116)
-      )
-      (i32.const 7)
-      (i32.const 7)
-     )
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (block $compile_store.4
-    (local.set $9
-     (call $==_1114
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $==_1114)
-      )
-      (local.get $6)
-      (i32.const 13)
-     )
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (if (result i32)
-    (i32.shr_u
-     (local.get $9)
-     (i32.const 31)
-    )
-    (block $compile_block.5 (result i32)
-     (i32.const 1879048190)
-    )
-    (block $compile_block.13
-     (block $compile_store.8
-      (local.set $7
-       (block $allocate_string.6 (result i32)
-        (i32.store
-         (local.tee $0
-          (call $malloc_0
-           (global.get $GRAIN$EXPORT$malloc_0)
-           (i32.const 64)
-          )
-         )
-         (i32.const 1)
-        )
-        (i32.store offset=4
-         (local.get $0)
-         (i32.const 51)
-        )
-        (i64.store offset=8
-         (local.get $0)
-         (i64.const 8028075845441778497)
-        )
-        (i64.store offset=16
-         (local.get $0)
-         (i64.const 2322294380849939822)
-        )
-        (i64.store offset=24
-         (local.get $0)
-         (i64.const 8028075845441778497)
-        )
-        (i64.store offset=32
-         (local.get $0)
-         (i64.const 7234307576302018670)
-        )
-        (i64.store offset=40
-         (local.get $0)
-         (i64.const 7310313481145575712)
-        )
-        (i64.store offset=48
-         (local.get $0)
-         (i64.const 7956009102162949234)
-        )
-        (i64.store offset=56
-         (local.get $0)
-         (i64.const 3219557)
-        )
-        (local.get $0)
-       )
-      )
-      (block $do_backpatches.7
-      )
-     )
-     (block $compile_store.11
-      (local.set $8
-       (block $allocate_adt.9 (result i32)
-        (i32.store
-         (local.tee $0
-          (call $malloc_0
-           (global.get $GRAIN$EXPORT$malloc_0)
-           (i32.const 24)
-          )
-         )
-         (i32.const 2)
-        )
-        (i32.store offset=4
-         (local.get $0)
-         (i32.const 1)
-        )
-        (i32.store offset=8
-         (local.get $0)
-         (i32.const 59)
-        )
-        (i32.store offset=12
-         (local.get $0)
-         (i32.const 65)
-        )
-        (i32.store offset=16
-         (local.get $0)
-         (i32.const 1)
-        )
-        (i32.store offset=20
-         (local.get $0)
-         (local.get $7)
-        )
-        (local.get $0)
-       )
-      )
-      (block $do_backpatches.10
-      )
-     )
-     (block $throw.12
-      (drop
-       (call $panicWithException_0
-        (global.get $GRAIN$EXPORT$panicWithException_0)
-        (local.get $8)
-       )
-      )
-      (unreachable)
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((name ==))) (mimp_mod pervasives.gr) (mimp_name ==)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name ==))) (mimp_mod pervasives.gr) (mimp_name ==)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MCallKnown (func +_1116)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind +_1116 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) (Managed)))
+           (args
+            (((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MCallKnown (func ==_1114)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind ==_1114 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+           (args
+            (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))
+             ((immediate_desc (MImmConst (MConstI32 6)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MIf
+      ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+       (immediate_analyses ((last_usage Last))))
+      (((instr_desc
+         (MImmediate
+          ((immediate_desc
+            (MImmConst (MConstLiteral (MConstI32 1879048190))))
+           (immediate_analyses ((last_usage Unknown))))))))
+      (((instr_desc
+         (MStore
+          (((MLocalBind 1 Managed)
+            ((instr_desc
+              (MAllocate
+               (MString
+                \"AssertionError: Assertion failed in assert2, line 1\")))))))))
+       ((instr_desc
+         (MStore
+          (((MLocalBind 2 Managed)
+            ((instr_desc
+              (MAllocate
+               (MADT
+                ((immediate_desc (MImmConst (MConstI32 0)))
+                 (immediate_analyses ((last_usage Unknown))))
+                ((immediate_desc (MImmConst (MConstI32 29)))
+                 (immediate_analyses ((last_usage Unknown))))
+                ((immediate_desc (MImmConst (MConstI32 32)))
+                 (immediate_analyses ((last_usage Unknown))))
+                (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+                  (immediate_analyses ((last_usage Last))))))))))))))
+       ((instr_desc
+         (MPrim1 Throw
+          ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+           (immediate_analyses ((last_usage Last)))))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 3) (stack_size_i32 1) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.2cb30a54.0.snapshot b/compiler/test/__snapshots__/basic_functionality.2cb30a54.0.snapshot
index 8b73fb0d9..1cbb461b9 100644
--- a/compiler/test/__snapshots__/basic_functionality.2cb30a54.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.2cb30a54.0.snapshot
@@ -1,65 +1,10 @@
 basic functionality › bigint_start_neg
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_number.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 24)
-      )
-     )
-     (i32.const 5)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 4)
-    )
-    (i32.store offset=8
-     (local.get $0)
-     (i32.const 1)
-    )
-    (i32.store offset=12
-     (local.get $0)
-     (i32.const 1)
-    )
-    (i64.store offset=16
-     (local.get $0)
-     (i64.const -1)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc (MAllocate (MBigInt (flags (BigIntNegative)) (limbs (-1))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.2d7e34cf.0.snapshot b/compiler/test/__snapshots__/basic_functionality.2d7e34cf.0.snapshot
index ae9e0d884..167643539 100644
--- a/compiler/test/__snapshots__/basic_functionality.2d7e34cf.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.2d7e34cf.0.snapshot
@@ -1,35 +1,13 @@
 basic functionality › and2
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const 2147483646)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstLiteral (MConstI32 2147483646))))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.2f2f8795.0.snapshot b/compiler/test/__snapshots__/basic_functionality.2f2f8795.0.snapshot
index 44f59ae1b..549f6056d 100644
--- a/compiler/test/__snapshots__/basic_functionality.2f2f8795.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.2f2f8795.0.snapshot
@@ -1,48 +1,33 @@
 basic functionality › lsl2
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$<<\" (global $<<_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"<<\" (func $<<_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $<<_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $<<_1113)
-    )
-    (i32.const 1)
-    (i32.const 3)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name <<))) (mimp_mod pervasives.gr) (mimp_name <<)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name <<))) (mimp_mod pervasives.gr) (mimp_name <<)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func <<_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind <<_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 0)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.2f53324c.0.snapshot b/compiler/test/__snapshots__/basic_functionality.2f53324c.0.snapshot
index 64450037b..6116f9b0c 100644
--- a/compiler/test/__snapshots__/basic_functionality.2f53324c.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.2f53324c.0.snapshot
@@ -1,48 +1,34 @@
 basic functionality › comp17
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$isnt\" (global $isnt_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"isnt\" (func $isnt_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $isnt_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $isnt_1113)
-    )
-    (i32.const 2147483646)
-    (i32.const -2)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name isnt))) (mimp_mod pervasives.gr) (mimp_name isnt)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name isnt))) (mimp_mod pervasives.gr) (mimp_name isnt)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func isnt_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind isnt_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type
+       (((Unmanaged WasmI32) (Unmanaged WasmI32)) ((Unmanaged WasmI32))))
+      (args
+       (((immediate_desc (MImmConst (MConstLiteral (MConstI32 2147483646))))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.2f65c8cf.0.snapshot b/compiler/test/__snapshots__/basic_functionality.2f65c8cf.0.snapshot
index cf253a537..96a8a8d80 100644
--- a/compiler/test/__snapshots__/basic_functionality.2f65c8cf.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.2f65c8cf.0.snapshot
@@ -1,35 +1,13 @@
 basic functionality › fals
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const 2147483646)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstLiteral (MConstI32 2147483646))))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.304ca65f.0.snapshot b/compiler/test/__snapshots__/basic_functionality.304ca65f.0.snapshot
index 857a37750..2aba1f732 100644
--- a/compiler/test/__snapshots__/basic_functionality.304ca65f.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.304ca65f.0.snapshot
@@ -1,35 +1,13 @@
 basic functionality › oct_neg
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const -125)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstI32 -63)))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.31e0d562.0.snapshot b/compiler/test/__snapshots__/basic_functionality.31e0d562.0.snapshot
index 0589e6612..d1e74fd4f 100644
--- a/compiler/test/__snapshots__/basic_functionality.31e0d562.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.31e0d562.0.snapshot
@@ -1,57 +1,9 @@
 basic functionality › infinity
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_number.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 16)
-      )
-     )
-     (i32.const 5)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 1)
-    )
-    (f64.store offset=8
-     (local.get $0)
-     (f64.const inf)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body (((instr_desc (MAllocate (MFloat64 9218868437227405312))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.32a8c452.0.snapshot b/compiler/test/__snapshots__/basic_functionality.32a8c452.0.snapshot
index 030c9ebdb..87d276037 100644
--- a/compiler/test/__snapshots__/basic_functionality.32a8c452.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.32a8c452.0.snapshot
@@ -1,102 +1,71 @@
 basic functionality › complex2
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1116 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$print\" (global $print_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1116 (param i32 i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"print\" (func $print_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.6
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_adt.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 501102191)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.5
-    (local.set $7
-     (call $+_1116
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $+_1116)
-      )
-      (i32.const 5)
-      (i32.const 7)
-     )
-    )
-    (block $do_backpatches.4
-    )
-   )
-   (return_call $print_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $print_1113)
-    )
-    (local.get $7)
-    (local.get $6)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((name print))) (mimp_mod pervasives.gr) (mimp_name print)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name print))) (mimp_mod pervasives.gr) (mimp_name print)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 250551095)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 3)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MCallKnown (func +_1116)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind +_1116 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) (Managed)))
+           (args
+            (((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func print_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind print_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+         (immediate_analyses ((last_usage Last))))
+        ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 2) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.34dcfbdd.0.snapshot b/compiler/test/__snapshots__/basic_functionality.34dcfbdd.0.snapshot
index 20ccce0ac..0c685317b 100644
--- a/compiler/test/__snapshots__/basic_functionality.34dcfbdd.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.34dcfbdd.0.snapshot
@@ -1,57 +1,9 @@
 basic functionality › int64_1
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_number.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 16)
-      )
-     )
-     (i32.const 5)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 2)
-    )
-    (i64.store offset=8
-     (local.get $0)
-     (i64.const 99999999999999999)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body (((instr_desc (MAllocate (MInt64 99999999999999999))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.3c2ba165.0.snapshot b/compiler/test/__snapshots__/basic_functionality.3c2ba165.0.snapshot
index d38657bc3..d838604ae 100644
--- a/compiler/test/__snapshots__/basic_functionality.3c2ba165.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.3c2ba165.0.snapshot
@@ -1,292 +1,123 @@
 basic functionality › comp20
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$isnt\" (global $isnt_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"isnt\" (func $isnt_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (block $compile_block.19
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_adt.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_adt.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 5)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $6)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.9
-    (local.set $8
-     (block $allocate_adt.7 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $7)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $compile_store.12
-    (local.set $9
-     (block $allocate_adt.10 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.11
-    )
-   )
-   (block $compile_store.15
-    (local.set $10
-     (block $allocate_adt.13 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 5)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $9)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.14
-    )
-   )
-   (block $compile_store.18
-    (local.set $11
-     (block $allocate_adt.16 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $10)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.17
-    )
-   )
-   (return_call $isnt_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $isnt_1113)
-    )
-    (local.get $8)
-    (local.get $11)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name isnt))) (mimp_mod pervasives.gr) (mimp_name isnt)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name isnt))) (mimp_mod pervasives.gr) (mimp_name isnt)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 5 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func isnt_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind isnt_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+         (immediate_analyses ((last_usage Last))))
+        ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 6) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.3e5f990b.0.snapshot b/compiler/test/__snapshots__/basic_functionality.3e5f990b.0.snapshot
index 5cceacca2..3032f9716 100644
--- a/compiler/test/__snapshots__/basic_functionality.3e5f990b.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.3e5f990b.0.snapshot
@@ -1,48 +1,33 @@
 basic functionality › lor3
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$|\" (global $|_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"|\" (func $|_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $|_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $|_1113)
-    )
-    (i32.const 1)
-    (i32.const 3)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name |))) (mimp_mod pervasives.gr) (mimp_name |)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name |))) (mimp_mod pervasives.gr) (mimp_name |)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func |_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind |_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 0)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.3edefd23.0.snapshot b/compiler/test/__snapshots__/basic_functionality.3edefd23.0.snapshot
index eb7bdd441..fe5aac76f 100644
--- a/compiler/test/__snapshots__/basic_functionality.3edefd23.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.3edefd23.0.snapshot
@@ -1,46 +1,30 @@
 basic functionality › decr_3
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$decr\" (global $decr_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"decr\" (func $decr_1113 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $decr_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $decr_1113)
-    )
-    (i32.const 1)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name decr))) (mimp_mod pervasives.gr) (mimp_name decr)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32)) ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name decr))) (mimp_mod pervasives.gr) (mimp_name decr)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func decr_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind decr_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 0)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.3ffd0bf3.0.snapshot b/compiler/test/__snapshots__/basic_functionality.3ffd0bf3.0.snapshot
index b0e2e3dbc..a1d5e014b 100644
--- a/compiler/test/__snapshots__/basic_functionality.3ffd0bf3.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.3ffd0bf3.0.snapshot
@@ -1,35 +1,13 @@
 basic functionality › orshort1
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const -2)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.427c6671.0.snapshot b/compiler/test/__snapshots__/basic_functionality.427c6671.0.snapshot
index 552237e7d..ac894d738 100644
--- a/compiler/test/__snapshots__/basic_functionality.427c6671.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.427c6671.0.snapshot
@@ -1,53 +1,9 @@
 basic functionality › uint64_1
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_uint64.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 16)
-      )
-     )
-     (i32.const 12)
-    )
-    (i64.store offset=8
-     (local.get $0)
-     (i64.const 99999999999999999)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body (((instr_desc (MAllocate (MUint64 99999999999999999))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.448497ab.0.snapshot b/compiler/test/__snapshots__/basic_functionality.448497ab.0.snapshot
index 547ac7c6c..c3a225675 100644
--- a/compiler/test/__snapshots__/basic_functionality.448497ab.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.448497ab.0.snapshot
@@ -1,35 +1,13 @@
 basic functionality › binop5
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const 5)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstI32 2)))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.46348f36.0.snapshot b/compiler/test/__snapshots__/basic_functionality.46348f36.0.snapshot
index 43c408598..abc07701f 100644
--- a/compiler/test/__snapshots__/basic_functionality.46348f36.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.46348f36.0.snapshot
@@ -1,76 +1,66 @@
 basic functionality › precedence5
-(module
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$<\" (global $<_1117 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$>\" (global $>_1114 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"<\" (func $<_1117 (param i32 i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \">\" (func $>_1114 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.5 (result i32)
-   (block $compile_store.2
-    (local.set $6
-     (call $>_1114
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $>_1114)
-      )
-      (i32.const 9)
-      (i32.const 7)
-     )
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (if (result i32)
-    (i32.shr_u
-     (local.get $6)
-     (i32.const 31)
-    )
-    (block $compile_block.3
-     (return_call $<_1117
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $<_1117)
-      )
-      (i32.const 19)
-      (i32.const 27)
-     )
-    )
-    (block $compile_block.4 (result i32)
-     (local.get $6)
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name <))) (mimp_mod pervasives.gr) (mimp_name <)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name <))) (mimp_mod pervasives.gr) (mimp_name <)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((name >))) (mimp_mod pervasives.gr) (mimp_name >)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name >))) (mimp_mod pervasives.gr) (mimp_name >)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MCallKnown (func >_1114)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind >_1114 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+           (args
+            (((immediate_desc (MImmConst (MConstI32 4)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MIf
+      ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+       (immediate_analyses ((last_usage Unknown))))
+      (((instr_desc
+         (MReturnCallKnown (func <_1117)
+          (closure
+           ((immediate_desc
+             (MIncRef
+              ((immediate_desc (MImmBinding (MGlobalBind <_1117 Managed)))
+               (immediate_analyses ((last_usage Last))))))
+            (immediate_analyses ((last_usage Unknown)))))
+          (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+          (args
+           (((immediate_desc (MImmConst (MConstI32 9)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 13)))
+             (immediate_analyses ((last_usage Unknown))))))))))
+      (((instr_desc
+         (MImmediate
+          ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+           (immediate_analyses ((last_usage Last)))))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 1) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.48db380c.0.snapshot b/compiler/test/__snapshots__/basic_functionality.48db380c.0.snapshot
index cb94986b2..2920904cc 100644
--- a/compiler/test/__snapshots__/basic_functionality.48db380c.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.48db380c.0.snapshot
@@ -1,35 +1,13 @@
 basic functionality › if4
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const 7)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstI32 3)))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.4d1501b9.0.snapshot b/compiler/test/__snapshots__/basic_functionality.4d1501b9.0.snapshot
index 60072f874..18109681c 100644
--- a/compiler/test/__snapshots__/basic_functionality.4d1501b9.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.4d1501b9.0.snapshot
@@ -1,57 +1,9 @@
 basic functionality › nan
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_number.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 16)
-      )
-     )
-     (i32.const 5)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 1)
-    )
-    (f64.store offset=8
-     (local.get $0)
-     (f64.const nan:0x8000000000000)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body (((instr_desc (MAllocate (MFloat64 9221120237041090560))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.4d6f9417.0.snapshot b/compiler/test/__snapshots__/basic_functionality.4d6f9417.0.snapshot
index a40b2ea9f..f0374692e 100644
--- a/compiler/test/__snapshots__/basic_functionality.4d6f9417.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.4d6f9417.0.snapshot
@@ -1,35 +1,13 @@
 basic functionality › not1
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const 2147483646)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstLiteral (MConstI32 2147483646))))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.4f5bd247.0.snapshot b/compiler/test/__snapshots__/basic_functionality.4f5bd247.0.snapshot
index 7dac306da..9c2a1be3c 100644
--- a/compiler/test/__snapshots__/basic_functionality.4f5bd247.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.4f5bd247.0.snapshot
@@ -1,57 +1,9 @@
 basic functionality › heap_number_i64_wrapper
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_number.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 16)
-      )
-     )
-     (i32.const 5)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 2)
-    )
-    (i64.store offset=8
-     (local.get $0)
-     (i64.const 2147483648)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body (((instr_desc (MAllocate (MInt64 2147483648))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.52ca8e0e.0.snapshot b/compiler/test/__snapshots__/basic_functionality.52ca8e0e.0.snapshot
index d0364f37f..2aa7d1cfa 100644
--- a/compiler/test/__snapshots__/basic_functionality.52ca8e0e.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.52ca8e0e.0.snapshot
@@ -1,261 +1,136 @@
 basic functionality › func_shadow
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_=>_i32 (func (param i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$print\" (global $print_1118 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"print\" (func $print_1118 (param i32 i32 i32) (result i32)))
- (global $foo_1115 (mut i32) (i32.const 0))
- (global $foo_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $foo_1113 (param $0 i32) (result i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i32)
-  (local $4 i64)
-  (local $5 f32)
-  (local $6 f64)
-  (block $compile_block.3 (result i32)
-   (tuple.extract 0
-    (tuple.make
-     (block $allocate_string.2 (result i32)
-      (i32.store
-       (local.tee $1
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $1)
-       (i32.const 3)
-      )
-      (i64.store offset=8
-       (local.get $1)
-       (i64.const 7496034)
-      )
-      (local.get $1)
-     )
-     (block $cleanup.1 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $0)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $foo_1115 (param $0 i32) (result i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i32)
-  (local $4 i64)
-  (local $5 f32)
-  (local $6 f64)
-  (block $compile_block.6 (result i32)
-   (tuple.extract 0
-    (tuple.make
-     (block $allocate_string.5 (result i32)
-      (i32.store
-       (local.tee $1
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $1)
-       (i32.const 3)
-      )
-      (i64.store offset=8
-       (local.get $1)
-       (i64.const 8020322)
-      )
-      (local.get $1)
-     )
-     (block $cleanup.4 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $0)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (block $compile_block.21
-   (block $compile_store.8
-    (global.set $foo_1113
-     (i32.const 0)
-    )
-    (block $do_backpatches.7
-    )
-   )
-   (block $compile_store.11
-    (local.set $6
-     (block $allocate_adt.9 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 501102191)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.10
-    )
-   )
-   (block $compile_store.13
-    (local.set $7
-     (call $foo_1113
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $foo_1113)
-      )
-     )
-    )
-    (block $do_backpatches.12
-    )
-   )
-   (drop
-    (call $print_1118
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (global.get $print_1118)
-     )
-     (local.get $7)
-     (local.get $6)
-    )
-   )
-   (block $compile_store.15
-    (global.set $foo_1115
-     (i32.const 0)
-    )
-    (block $do_backpatches.14
-    )
-   )
-   (block $compile_store.18
-    (local.set $8
-     (block $allocate_adt.16 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 501102191)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.17
-    )
-   )
-   (block $compile_store.20
-    (local.set $9
-     (call $foo_1115
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $foo_1115)
-      )
-     )
-    )
-    (block $do_backpatches.19
-    )
-   )
-   (return_call $print_1118
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $print_1118)
-    )
-    (local.get $9)
-    (local.get $8)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 374
-)
+((functions
+  (((id ((name foo))) (name (foo)) (args (Managed)) (return_type (Managed))
+    (closure ())
+    (body
+     (((instr_desc
+        (MCleanup (((instr_desc (MAllocate (MString bar)))))
+         (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))))
+    (stack_size
+     ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+      (stack_size_f32 0) (stack_size_f64 0)))
+    (attrs ()))
+   ((id ((name foo))) (name (foo)) (args (Managed)) (return_type (Managed))
+    (closure ())
+    (body
+     (((instr_desc
+        (MCleanup (((instr_desc (MAllocate (MString baz)))))
+         (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))))
+    (stack_size
+     ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+      (stack_size_f32 0) (stack_size_f64 0)))
+    (attrs ()))))
+ (imports
+  (((mimp_id ((name print))) (mimp_mod pervasives.gr) (mimp_name print)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name print))) (mimp_mod pervasives.gr) (mimp_name print)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind foo_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 250551095)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 3)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MCallKnown (func foo_1113)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind foo_1113 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type (() (Managed))) (args ())))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MCallKnown (func print_1118)
+         (closure
+          ((immediate_desc
+            (MIncRef
+             ((immediate_desc (MImmBinding (MGlobalBind print_1118 Managed)))
+              (immediate_analyses ((last_usage Unknown))))))
+           (immediate_analyses ((last_usage Unknown)))))
+         (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+         (args
+          (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+            (immediate_analyses ((last_usage Last))))
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MStore
+      (((MGlobalBind foo_1115 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 250551095)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 3)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MCallKnown (func foo_1115)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind foo_1115 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type (() (Managed))) (args ())))))))))
+   ((instr_desc
+     (MReturnCallKnown (func print_1118)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind print_1118 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+         (immediate_analyses ((last_usage Last))))
+        ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 4) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name foo)) true Managed ()) (((name foo)) true Managed ())))
+ (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.565dbeda.0.snapshot b/compiler/test/__snapshots__/basic_functionality.565dbeda.0.snapshot
index f18cf7240..7e1547b37 100644
--- a/compiler/test/__snapshots__/basic_functionality.565dbeda.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.565dbeda.0.snapshot
@@ -1,35 +1,13 @@
 basic functionality › hex_neg
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const -509)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstI32 -255)))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.5705b20c.0.snapshot b/compiler/test/__snapshots__/basic_functionality.5705b20c.0.snapshot
index c1004010c..4e7e0ee57 100644
--- a/compiler/test/__snapshots__/basic_functionality.5705b20c.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.5705b20c.0.snapshot
@@ -1,48 +1,33 @@
 basic functionality › modulo5
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$%\" (global $%_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"%\" (func $%_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $%_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $%_1113)
-    )
-    (i32.const 35)
-    (i32.const -33)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name %))) (mimp_mod pervasives.gr) (mimp_name %)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name %))) (mimp_mod pervasives.gr) (mimp_name %)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func %_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind %_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 17)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 -17)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.593b8d63.0.snapshot b/compiler/test/__snapshots__/basic_functionality.593b8d63.0.snapshot
index f45143107..1e7e2f560 100644
--- a/compiler/test/__snapshots__/basic_functionality.593b8d63.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.593b8d63.0.snapshot
@@ -1,113 +1,90 @@
 basic functionality › if_one_sided6
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1121 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$<\" (global $<_1116 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1121 (param i32 i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"<\" (func $<_1116 (param i32 i32 i32) (result i32)))
- (global $x_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.10 (result i32)
-   (block $compile_store.2
-    (global.set $x_1113
-     (i32.const 3)
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (block $compile_store.4
-    (local.set $7
-     (call $<_1116
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $<_1116)
-      )
-      (i32.const 7)
-      (i32.const 9)
-     )
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (drop
-    (if (result i32)
-     (i32.shr_u
-      (local.get $7)
-      (i32.const 31)
-     )
-     (block $compile_block.8 (result i32)
-      (block $compile_store.6
-       (local.set $6
-        (call $+_1121
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (global.get $+_1121)
-         )
-         (i32.const 5)
-         (i32.const 7)
-        )
-       )
-       (block $do_backpatches.5
-       )
-      )
-      (block $compile_set.7 (result i32)
-       (global.set $x_1113
-        (tuple.extract 0
-         (tuple.make
-          (call $incRef_0
-           (global.get $GRAIN$EXPORT$incRef_0)
-           (local.get $6)
-          )
-          (call $decRef_0
-           (global.get $GRAIN$EXPORT$decRef_0)
-           (global.get $x_1113)
-          )
-         )
-        )
-       )
-       (i32.const 1879048190)
-      )
-     )
-     (block $compile_block.9 (result i32)
-      (i32.const 1879048190)
-     )
-    )
-   )
-   (global.get $x_1113)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((name <))) (mimp_mod pervasives.gr) (mimp_name <)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name <))) (mimp_mod pervasives.gr) (mimp_name <)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind x_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstI32 1)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MCallKnown (func <_1116)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind <_1116 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+           (args
+            (((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 4)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MIf
+         ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+          (immediate_analyses ((last_usage Last))))
+         (((instr_desc
+            (MStore
+             (((MLocalBind 0 Managed)
+               ((instr_desc
+                 (MCallKnown (func +_1121)
+                  (closure
+                   ((immediate_desc
+                     (MIncRef
+                      ((immediate_desc
+                        (MImmBinding (MGlobalBind +_1121 Managed)))
+                       (immediate_analyses ((last_usage Last))))))
+                    (immediate_analyses ((last_usage Unknown)))))
+                  (func_type ((Managed Managed) (Managed)))
+                  (args
+                   (((immediate_desc (MImmConst (MConstI32 2)))
+                     (immediate_analyses ((last_usage Unknown))))
+                    ((immediate_desc (MImmConst (MConstI32 3)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))))
+          ((instr_desc
+            (MSet (MGlobalBind x_1113 Managed)
+             ((instr_desc
+               (MImmediate
+                ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+                 (immediate_analyses ((last_usage Last)))))))))))
+         (((instr_desc
+            (MImmediate
+             ((immediate_desc
+               (MImmConst (MConstLiteral (MConstI32 1879048190))))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmBinding (MGlobalBind x_1113 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 1) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name x)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.5b56d472.0.snapshot b/compiler/test/__snapshots__/basic_functionality.5b56d472.0.snapshot
index f18af66ca..7905be67b 100644
--- a/compiler/test/__snapshots__/basic_functionality.5b56d472.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.5b56d472.0.snapshot
@@ -1,35 +1,13 @@
 basic functionality › and3
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const 2147483646)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstLiteral (MConstI32 2147483646))))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.5cd54e52.0.snapshot b/compiler/test/__snapshots__/basic_functionality.5cd54e52.0.snapshot
index 9fa929804..4cecbd4d1 100644
--- a/compiler/test/__snapshots__/basic_functionality.5cd54e52.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.5cd54e52.0.snapshot
@@ -1,35 +1,13 @@
 basic functionality › or4
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const 2147483646)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstLiteral (MConstI32 2147483646))))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.5d973a3e.0.snapshot b/compiler/test/__snapshots__/basic_functionality.5d973a3e.0.snapshot
index 213e0f4ea..b3e6e5ab3 100644
--- a/compiler/test/__snapshots__/basic_functionality.5d973a3e.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.5d973a3e.0.snapshot
@@ -1,48 +1,33 @@
 basic functionality › binop6
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$%\" (global $%_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"%\" (func $%_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $%_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $%_1113)
-    )
-    (i32.const 19)
-    (i32.const 11)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name %))) (mimp_mod pervasives.gr) (mimp_name %)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name %))) (mimp_mod pervasives.gr) (mimp_name %)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func %_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind %_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 9)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 5)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.61c58118.0.snapshot b/compiler/test/__snapshots__/basic_functionality.61c58118.0.snapshot
index 4ea5c5a80..badadf60f 100644
--- a/compiler/test/__snapshots__/basic_functionality.61c58118.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.61c58118.0.snapshot
@@ -1,78 +1,42 @@
 basic functionality › block_no_expression
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_=>_i32 (func (param i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (global $f_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $f_1113 (param $0 i32) (result i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i32)
-  (local $4 i64)
-  (local $5 f32)
-  (local $6 f64)
-  (block $compile_block.2 (result i32)
-   (tuple.extract 0
-    (tuple.make
-     (i32.const 1879048190)
-     (block $cleanup.1 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $0)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.5
-   (block $compile_store.4
-    (global.set $f_1113
-     (i32.const 0)
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (return_call $f_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $f_1113)
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions
+  (((id ((name f))) (name (f)) (args (Managed))
+    (return_type ((Unmanaged WasmI32))) (closure ())
+    (body
+     (((instr_desc
+        (MCleanup
+         (((instr_desc
+            (MImmediate
+             ((immediate_desc
+               (MImmConst (MConstLiteral (MConstI32 1879048190))))
+              (immediate_analyses ((last_usage Unknown))))))))
+         (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))))
+    (stack_size
+     ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+      (stack_size_f32 0) (stack_size_f64 0)))
+    (attrs ()))))
+ (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind f_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func f_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind f_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type (() ((Unmanaged WasmI32)))) (args ()))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name f)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.626b2e44.0.snapshot b/compiler/test/__snapshots__/basic_functionality.626b2e44.0.snapshot
index af8a0cb99..118e833b3 100644
--- a/compiler/test/__snapshots__/basic_functionality.626b2e44.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.626b2e44.0.snapshot
@@ -1,110 +1,84 @@
 basic functionality › if_one_sided5
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1121 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$<\" (global $<_1116 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1121 (param i32 i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"<\" (func $<_1116 (param i32 i32 i32) (result i32)))
- (global $x_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.10 (result i32)
-   (block $compile_store.2
-    (global.set $x_1113
-     (i32.const 3)
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (block $compile_store.4
-    (local.set $7
-     (call $<_1116
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $<_1116)
-      )
-      (i32.const 7)
-      (i32.const 9)
-     )
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (if (result i32)
-    (i32.shr_u
-     (local.get $7)
-     (i32.const 31)
-    )
-    (block $compile_block.8 (result i32)
-     (block $compile_store.6
-      (local.set $6
-       (call $+_1121
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (global.get $+_1121)
-        )
-        (i32.const 5)
-        (i32.const 7)
-       )
-      )
-      (block $do_backpatches.5
-      )
-     )
-     (block $compile_set.7 (result i32)
-      (global.set $x_1113
-       (tuple.extract 0
-        (tuple.make
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (local.get $6)
-         )
-         (call $decRef_0
-          (global.get $GRAIN$EXPORT$decRef_0)
-          (global.get $x_1113)
-         )
-        )
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-    (block $compile_block.9 (result i32)
-     (i32.const 1879048190)
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((name <))) (mimp_mod pervasives.gr) (mimp_name <)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name <))) (mimp_mod pervasives.gr) (mimp_name <)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind x_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstI32 1)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MCallKnown (func <_1116)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind <_1116 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+           (args
+            (((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 4)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MIf
+      ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+       (immediate_analyses ((last_usage Last))))
+      (((instr_desc
+         (MStore
+          (((MLocalBind 0 Managed)
+            ((instr_desc
+              (MCallKnown (func +_1121)
+               (closure
+                ((immediate_desc
+                  (MIncRef
+                   ((immediate_desc
+                     (MImmBinding (MGlobalBind +_1121 Managed)))
+                    (immediate_analyses ((last_usage Last))))))
+                 (immediate_analyses ((last_usage Unknown)))))
+               (func_type ((Managed Managed) (Managed)))
+               (args
+                (((immediate_desc (MImmConst (MConstI32 2)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmConst (MConstI32 3)))
+                  (immediate_analyses ((last_usage Unknown))))))))))))))
+       ((instr_desc
+         (MSet (MGlobalBind x_1113 Managed)
+          ((instr_desc
+            (MImmediate
+             ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last)))))))))))
+      (((instr_desc
+         (MImmediate
+          ((immediate_desc
+            (MImmConst (MConstLiteral (MConstI32 1879048190))))
+           (immediate_analyses ((last_usage Unknown)))))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 1) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name x)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.65d36891.0.snapshot b/compiler/test/__snapshots__/basic_functionality.65d36891.0.snapshot
index 3db36ae85..d5b7e732b 100644
--- a/compiler/test/__snapshots__/basic_functionality.65d36891.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.65d36891.0.snapshot
@@ -1,48 +1,33 @@
 basic functionality › lor2
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$|\" (global $|_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"|\" (func $|_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $|_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $|_1113)
-    )
-    (i32.const 3)
-    (i32.const 1)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name |))) (mimp_mod pervasives.gr) (mimp_name |)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name |))) (mimp_mod pervasives.gr) (mimp_name |)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func |_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind |_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 0)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.67d2cc45.0.snapshot b/compiler/test/__snapshots__/basic_functionality.67d2cc45.0.snapshot
index 528e6e32c..dedfc7d94 100644
--- a/compiler/test/__snapshots__/basic_functionality.67d2cc45.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.67d2cc45.0.snapshot
@@ -1,48 +1,33 @@
 basic functionality › binop3
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$-\" (global $-_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"-\" (func $-_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $-_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $-_1113)
-    )
-    (i32.const 5)
-    (i32.const 9)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name -))) (mimp_mod pervasives.gr) (mimp_name -)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name -))) (mimp_mod pervasives.gr) (mimp_name -)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func -_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind -_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 2)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 4)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.684b6ecb.0.snapshot b/compiler/test/__snapshots__/basic_functionality.684b6ecb.0.snapshot
index 2456fd12a..030ca5833 100644
--- a/compiler/test/__snapshots__/basic_functionality.684b6ecb.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.684b6ecb.0.snapshot
@@ -1,48 +1,33 @@
 basic functionality › binop2.2
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$-\" (global $-_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"-\" (func $-_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $-_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $-_1113)
-    )
-    (i32.const 5)
-    (i32.const 5)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name -))) (mimp_mod pervasives.gr) (mimp_name -)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name -))) (mimp_mod pervasives.gr) (mimp_name -)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func -_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind -_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 2)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 2)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.68d08483.0.snapshot b/compiler/test/__snapshots__/basic_functionality.68d08483.0.snapshot
index 2ea489865..f2b197d83 100644
--- a/compiler/test/__snapshots__/basic_functionality.68d08483.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.68d08483.0.snapshot
@@ -1,48 +1,33 @@
 basic functionality › land2
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$&\" (global $&_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"&\" (func $&_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $&_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $&_1113)
-    )
-    (i32.const 3)
-    (i32.const 1)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name &))) (mimp_mod pervasives.gr) (mimp_name &)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name &))) (mimp_mod pervasives.gr) (mimp_name &)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func &_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind &_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 0)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.6f9706c2.0.snapshot b/compiler/test/__snapshots__/basic_functionality.6f9706c2.0.snapshot
index d17a157cf..0490300ad 100644
--- a/compiler/test/__snapshots__/basic_functionality.6f9706c2.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.6f9706c2.0.snapshot
@@ -1,35 +1,13 @@
 basic functionality › or1
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const -2)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.704872bc.0.snapshot b/compiler/test/__snapshots__/basic_functionality.704872bc.0.snapshot
index 42f12e1f2..a100bc53c 100644
--- a/compiler/test/__snapshots__/basic_functionality.704872bc.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.704872bc.0.snapshot
@@ -1,35 +1,13 @@
 basic functionality › assert1
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const 1879048190)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstLiteral (MConstI32 1879048190))))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.711a4824.0.snapshot b/compiler/test/__snapshots__/basic_functionality.711a4824.0.snapshot
index 2c5df87c4..78404fabe 100644
--- a/compiler/test/__snapshots__/basic_functionality.711a4824.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.711a4824.0.snapshot
@@ -1,784 +1,516 @@
 basic functionality › pattern_match_unsafe_wasm
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_=>_i32 (func (param i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$print\" (global $print_1125 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"print\" (func $print_1125 (param i32 i32 i32) (result i32)))
- (global $test_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $test_1113 (param $0 i32) (result i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i32)
-  (local $4 i64)
-  (local $5 f32)
-  (local $6 f64)
-  (local $7 i32)
-  (block $compile_block.4
-   (block $compile_store.2
-    (local.set $7
-     (i32.const 0)
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (drop
-    (call $foo_1114
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (local.get $7)
-     )
-     (i32.const 0)
-    )
-   )
-   (drop
-    (call $foo_1114
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (local.get $7)
-     )
-     (i32.const 1)
-    )
-   )
-   (drop
-    (call $foo_1114
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (local.get $7)
-     )
-     (i32.const 5)
-    )
-   )
-   (drop
-    (call $foo_1114
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (local.get $7)
-     )
-     (i32.const 8)
-    )
-   )
-   (block $cleanup.3
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $0)
-     )
-    )
-   )
-   (return_call $foo_1114
-    (local.get $7)
-    (i32.const 42)
-   )
-  )
- )
- (func $foo_1114 (param $0 i32) (param $1 i32) (result i32)
-  (local $2 i32)
-  (local $3 i32)
-  (local $4 i32)
-  (local $5 i64)
-  (local $6 f32)
-  (local $7 f64)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (local $13 i32)
-  (local $14 i32)
-  (local $15 i32)
-  (local $16 i32)
-  (local $17 i32)
-  (local $18 i32)
-  (local $19 i32)
-  (local $20 i32)
-  (local $21 i32)
-  (local $22 i32)
-  (block $compile_block.72 (result i32)
-   (block $compile_store.6
-    (local.set $16
-     (i32.or
-      (i32.shl
-       (i32.eq
-        (local.get $1)
-        (i32.const 1)
-       )
-       (i32.const 31)
-      )
-      (i32.const 2147483646)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.30
-    (local.set $17
-     (if (result i32)
-      (i32.shr_u
-       (local.get $16)
-       (i32.const 31)
-      )
-      (block $compile_block.7 (result i32)
-       (i32.const 1)
-      )
-      (block $compile_block.28 (result i32)
-       (block $compile_store.9
-        (local.set $18
-         (i32.or
-          (i32.shl
-           (i32.eq
-            (local.get $1)
-            (i32.const 2)
-           )
-           (i32.const 31)
-          )
-          (i32.const 2147483646)
-         )
-        )
-        (block $do_backpatches.8
-        )
-       )
-       (if (result i32)
-        (i32.shr_u
-         (local.get $18)
-         (i32.const 31)
-        )
-        (block $compile_block.10 (result i32)
-         (i32.const 3)
-        )
-        (block $compile_block.27 (result i32)
-         (block $compile_store.12
-          (local.set $19
-           (i32.or
-            (i32.shl
-             (i32.eq
-              (local.get $1)
-              (i32.const 3)
-             )
-             (i32.const 31)
-            )
-            (i32.const 2147483646)
-           )
-          )
-          (block $do_backpatches.11
-          )
-         )
-         (if (result i32)
-          (i32.shr_u
-           (local.get $19)
-           (i32.const 31)
-          )
-          (block $compile_block.13 (result i32)
-           (i32.const 5)
-          )
-          (block $compile_block.26 (result i32)
-           (block $compile_store.15
-            (local.set $20
-             (i32.or
-              (i32.shl
-               (i32.eq
-                (local.get $1)
-                (i32.const 4)
-               )
-               (i32.const 31)
-              )
-              (i32.const 2147483646)
-             )
-            )
-            (block $do_backpatches.14
-            )
-           )
-           (if (result i32)
-            (i32.shr_u
-             (local.get $20)
-             (i32.const 31)
-            )
-            (block $compile_block.16 (result i32)
-             (i32.const 7)
-            )
-            (block $compile_block.25 (result i32)
-             (block $compile_store.18
-              (local.set $21
-               (i32.or
-                (i32.shl
-                 (i32.eq
-                  (local.get $1)
-                  (i32.const 5)
-                 )
-                 (i32.const 31)
-                )
-                (i32.const 2147483646)
-               )
-              )
-              (block $do_backpatches.17
-              )
-             )
-             (if (result i32)
-              (i32.shr_u
-               (local.get $21)
-               (i32.const 31)
-              )
-              (block $compile_block.19 (result i32)
-               (i32.const 9)
-              )
-              (block $compile_block.24 (result i32)
-               (block $compile_store.21
-                (local.set $22
-                 (i32.or
-                  (i32.shl
-                   (i32.eq
-                    (local.get $1)
-                    (i32.const 6)
-                   )
-                   (i32.const 31)
-                  )
-                  (i32.const 2147483646)
-                 )
-                )
-                (block $do_backpatches.20
-                )
-               )
-               (if (result i32)
-                (i32.shr_u
-                 (local.get $22)
-                 (i32.const 31)
-                )
-                (block $compile_block.22 (result i32)
-                 (i32.const 11)
-                )
-                (block $compile_block.23 (result i32)
-                 (i32.const 13)
-                )
-               )
-              )
-             )
-            )
-           )
-          )
-         )
-        )
-       )
-      )
-     )
-    )
-    (block $do_backpatches.29
-    )
-   )
-   (tuple.extract 0
-    (tuple.make
-     (block $switch.32_outer (result i32)
-      (block $switch.32_branch_0 (result i32)
-       (drop
-        (block $switch.32_branch_1 (result i32)
-         (drop
-          (block $switch.32_branch_2 (result i32)
-           (drop
-            (block $switch.32_branch_3 (result i32)
-             (drop
-              (block $switch.32_branch_4 (result i32)
-               (drop
-                (block $switch.32_branch_5 (result i32)
-                 (drop
-                  (block $switch.32_branch_6 (result i32)
-                   (drop
-                    (block $switch.32_branch_7 (result i32)
-                     (drop
-                      (block $switch.32_default (result i32)
-                       (br_table $switch.32_branch_1 $switch.32_branch_2 $switch.32_branch_3 $switch.32_branch_4 $switch.32_branch_5 $switch.32_branch_6 $switch.32_branch_7 $switch.32_default $switch.32_default
-                        (i32.const 0)
-                        (i32.shr_s
-                         (local.get $17)
-                         (i32.const 1)
-                        )
-                       )
-                      )
-                     )
-                     (br $switch.32_outer
-                      (block $compile_block.71 (result i32)
-                       (unreachable)
-                      )
-                     )
-                    )
-                   )
-                   (br $switch.32_outer
-                    (block $compile_block.70
-                     (block $compile_store.65
-                      (local.set $14
-                       (block $allocate_adt.63 (result i32)
-                        (i32.store
-                         (local.tee $2
-                          (call $malloc_0
-                           (global.get $GRAIN$EXPORT$malloc_0)
-                           (i32.const 20)
-                          )
-                         )
-                         (i32.const 2)
-                        )
-                        (i32.store offset=4
-                         (local.get $2)
-                         (i32.const 501102191)
-                        )
-                        (i32.store offset=8
-                         (local.get $2)
-                         (i32.const 7)
-                        )
-                        (i32.store offset=12
-                         (local.get $2)
-                         (i32.const 3)
-                        )
-                        (i32.store offset=16
-                         (local.get $2)
-                         (i32.const 0)
-                        )
-                        (local.get $2)
-                       )
-                      )
-                      (block $do_backpatches.64
-                      )
-                     )
-                     (block $compile_store.68
-                      (local.set $15
-                       (block $allocate_string.66 (result i32)
-                        (i32.store
-                         (local.tee $2
-                          (call $malloc_0
-                           (global.get $GRAIN$EXPORT$malloc_0)
-                           (i32.const 16)
-                          )
-                         )
-                         (i32.const 1)
-                        )
-                        (i32.store offset=4
-                         (local.get $2)
-                         (i32.const 5)
-                        )
-                        (i64.store offset=8
-                         (local.get $2)
-                         (i64.const 491327616111)
-                        )
-                        (local.get $2)
-                       )
-                      )
-                      (block $do_backpatches.67
-                      )
-                     )
-                     (block $cleanup.69
-                      (drop
-                       (call $decRef_0
-                        (global.get $GRAIN$EXPORT$decRef_0)
-                        (local.get $0)
-                       )
-                      )
-                     )
-                     (return_call $print_1125
-                      (call $incRef_0
-                       (global.get $GRAIN$EXPORT$incRef_0)
-                       (global.get $print_1125)
-                      )
-                      (local.get $15)
-                      (local.get $14)
-                     )
-                    )
-                   )
-                  )
-                 )
-                 (br $switch.32_outer
-                  (block $compile_block.62
-                   (block $compile_store.60
-                    (local.set $13
-                     (block $allocate_adt.58 (result i32)
-                      (i32.store
-                       (local.tee $2
-                        (call $malloc_0
-                         (global.get $GRAIN$EXPORT$malloc_0)
-                         (i32.const 20)
-                        )
-                       )
-                       (i32.const 2)
-                      )
-                      (i32.store offset=4
-                       (local.get $2)
-                       (i32.const 501102191)
-                      )
-                      (i32.store offset=8
-                       (local.get $2)
-                       (i32.const 7)
-                      )
-                      (i32.store offset=12
-                       (local.get $2)
-                       (i32.const 3)
-                      )
-                      (i32.store offset=16
-                       (local.get $2)
-                       (i32.const 0)
-                      )
-                      (local.get $2)
-                     )
-                    )
-                    (block $do_backpatches.59
-                    )
-                   )
-                   (block $cleanup.61
-                    (drop
-                     (call $decRef_0
-                      (global.get $GRAIN$EXPORT$decRef_0)
-                      (local.get $0)
-                     )
-                    )
-                   )
-                   (return_call $print_1125
-                    (call $incRef_0
-                     (global.get $GRAIN$EXPORT$incRef_0)
-                     (global.get $print_1125)
-                    )
-                    (i32.const 13)
-                    (local.get $13)
-                   )
-                  )
-                 )
-                )
-               )
-               (br $switch.32_outer
-                (block $compile_block.57
-                 (block $compile_store.55
-                  (local.set $12
-                   (block $allocate_adt.53 (result i32)
-                    (i32.store
-                     (local.tee $2
-                      (call $malloc_0
-                       (global.get $GRAIN$EXPORT$malloc_0)
-                       (i32.const 20)
-                      )
-                     )
-                     (i32.const 2)
-                    )
-                    (i32.store offset=4
-                     (local.get $2)
-                     (i32.const 501102191)
-                    )
-                    (i32.store offset=8
-                     (local.get $2)
-                     (i32.const 7)
-                    )
-                    (i32.store offset=12
-                     (local.get $2)
-                     (i32.const 3)
-                    )
-                    (i32.store offset=16
-                     (local.get $2)
-                     (i32.const 0)
-                    )
-                    (local.get $2)
-                   )
-                  )
-                  (block $do_backpatches.54
-                  )
-                 )
-                 (block $cleanup.56
-                  (drop
-                   (call $decRef_0
-                    (global.get $GRAIN$EXPORT$decRef_0)
-                    (local.get $0)
-                   )
-                  )
-                 )
-                 (return_call $print_1125
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (global.get $print_1125)
-                  )
-                  (i32.const 11)
-                  (local.get $12)
-                 )
-                )
-               )
-              )
-             )
-             (br $switch.32_outer
-              (block $compile_block.52
-               (block $compile_store.50
-                (local.set $11
-                 (block $allocate_adt.48 (result i32)
-                  (i32.store
-                   (local.tee $2
-                    (call $malloc_0
-                     (global.get $GRAIN$EXPORT$malloc_0)
-                     (i32.const 20)
-                    )
-                   )
-                   (i32.const 2)
-                  )
-                  (i32.store offset=4
-                   (local.get $2)
-                   (i32.const 501102191)
-                  )
-                  (i32.store offset=8
-                   (local.get $2)
-                   (i32.const 7)
-                  )
-                  (i32.store offset=12
-                   (local.get $2)
-                   (i32.const 3)
-                  )
-                  (i32.store offset=16
-                   (local.get $2)
-                   (i32.const 0)
-                  )
-                  (local.get $2)
-                 )
-                )
-                (block $do_backpatches.49
-                )
-               )
-               (block $cleanup.51
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $0)
-                 )
-                )
-               )
-               (return_call $print_1125
-                (call $incRef_0
-                 (global.get $GRAIN$EXPORT$incRef_0)
-                 (global.get $print_1125)
-                )
-                (i32.const 9)
-                (local.get $11)
-               )
-              )
-             )
-            )
-           )
-           (br $switch.32_outer
-            (block $compile_block.47
-             (block $compile_store.45
-              (local.set $10
-               (block $allocate_adt.43 (result i32)
-                (i32.store
-                 (local.tee $2
-                  (call $malloc_0
-                   (global.get $GRAIN$EXPORT$malloc_0)
-                   (i32.const 20)
-                  )
-                 )
-                 (i32.const 2)
-                )
-                (i32.store offset=4
-                 (local.get $2)
-                 (i32.const 501102191)
-                )
-                (i32.store offset=8
-                 (local.get $2)
-                 (i32.const 7)
-                )
-                (i32.store offset=12
-                 (local.get $2)
-                 (i32.const 3)
-                )
-                (i32.store offset=16
-                 (local.get $2)
-                 (i32.const 0)
-                )
-                (local.get $2)
-               )
-              )
-              (block $do_backpatches.44
-              )
-             )
-             (block $cleanup.46
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $0)
-               )
-              )
-             )
-             (return_call $print_1125
-              (call $incRef_0
-               (global.get $GRAIN$EXPORT$incRef_0)
-               (global.get $print_1125)
-              )
-              (i32.const 7)
-              (local.get $10)
-             )
-            )
-           )
-          )
-         )
-         (br $switch.32_outer
-          (block $compile_block.42
-           (block $compile_store.40
-            (local.set $9
-             (block $allocate_adt.38 (result i32)
-              (i32.store
-               (local.tee $2
-                (call $malloc_0
-                 (global.get $GRAIN$EXPORT$malloc_0)
-                 (i32.const 20)
-                )
-               )
-               (i32.const 2)
-              )
-              (i32.store offset=4
-               (local.get $2)
-               (i32.const 501102191)
-              )
-              (i32.store offset=8
-               (local.get $2)
-               (i32.const 7)
-              )
-              (i32.store offset=12
-               (local.get $2)
-               (i32.const 3)
-              )
-              (i32.store offset=16
-               (local.get $2)
-               (i32.const 0)
-              )
-              (local.get $2)
-             )
-            )
-            (block $do_backpatches.39
-            )
-           )
-           (block $cleanup.41
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $0)
-             )
-            )
-           )
-           (return_call $print_1125
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (global.get $print_1125)
-            )
-            (i32.const 5)
-            (local.get $9)
-           )
-          )
-         )
-        )
-       )
-       (br $switch.32_outer
-        (block $compile_block.37
-         (block $compile_store.35
-          (local.set $8
-           (block $allocate_adt.33 (result i32)
-            (i32.store
-             (local.tee $2
-              (call $malloc_0
-               (global.get $GRAIN$EXPORT$malloc_0)
-               (i32.const 20)
-              )
-             )
-             (i32.const 2)
-            )
-            (i32.store offset=4
-             (local.get $2)
-             (i32.const 501102191)
-            )
-            (i32.store offset=8
-             (local.get $2)
-             (i32.const 7)
-            )
-            (i32.store offset=12
-             (local.get $2)
-             (i32.const 3)
-            )
-            (i32.store offset=16
-             (local.get $2)
-             (i32.const 0)
-            )
-            (local.get $2)
-           )
-          )
-          (block $do_backpatches.34
-          )
-         )
-         (block $cleanup.36
-          (drop
-           (call $decRef_0
-            (global.get $GRAIN$EXPORT$decRef_0)
-            (local.get $0)
-           )
-          )
-         )
-         (return_call $print_1125
-          (call $incRef_0
-           (global.get $GRAIN$EXPORT$incRef_0)
-           (global.get $print_1125)
-          )
-          (i32.const 3)
-          (local.get $8)
-         )
-        )
-       )
-      )
-     )
-     (block $cleanup.31 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $0)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.75
-   (block $compile_store.74
-    (global.set $test_1113
-     (i32.const 0)
-    )
-    (block $do_backpatches.73
-    )
-   )
-   (return_call $test_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $test_1113)
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 386
-)
+((functions
+  (((id ((name test))) (name (test)) (args (Managed))
+    (return_type ((Unmanaged WasmI32))) (closure ())
+    (body
+     (((instr_desc
+        (MStore
+         (((MLocalBind 0 Managed)
+           ((instr_desc
+             (MImmediate
+              ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MDrop
+         ((instr_desc
+           (MCallKnown (func foo_1114)
+            (closure
+             ((immediate_desc
+               (MIncRef
+                ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+                 (immediate_analyses ((last_usage Unknown))))))
+              (immediate_analyses ((last_usage Unknown)))))
+            (func_type (((Unmanaged WasmI32)) ((Unmanaged WasmI32))))
+            (args
+             (((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MDrop
+         ((instr_desc
+           (MCallKnown (func foo_1114)
+            (closure
+             ((immediate_desc
+               (MIncRef
+                ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+                 (immediate_analyses ((last_usage Unknown))))))
+              (immediate_analyses ((last_usage Unknown)))))
+            (func_type (((Unmanaged WasmI32)) ((Unmanaged WasmI32))))
+            (args
+             (((immediate_desc (MImmConst (MConstLiteral (MConstI32 1))))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MDrop
+         ((instr_desc
+           (MCallKnown (func foo_1114)
+            (closure
+             ((immediate_desc
+               (MIncRef
+                ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+                 (immediate_analyses ((last_usage Unknown))))))
+              (immediate_analyses ((last_usage Unknown)))))
+            (func_type (((Unmanaged WasmI32)) ((Unmanaged WasmI32))))
+            (args
+             (((immediate_desc (MImmConst (MConstLiteral (MConstI32 5))))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MDrop
+         ((instr_desc
+           (MCallKnown (func foo_1114)
+            (closure
+             ((immediate_desc
+               (MIncRef
+                ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+                 (immediate_analyses ((last_usage Unknown))))))
+              (immediate_analyses ((last_usage Unknown)))))
+            (func_type (((Unmanaged WasmI32)) ((Unmanaged WasmI32))))
+            (args
+             (((immediate_desc (MImmConst (MConstLiteral (MConstI32 8))))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MCleanup ()
+         (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))
+      ((instr_desc
+        (MReturnCallKnown (func foo_1114)
+         (closure
+          ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+           (immediate_analyses ((last_usage Last)))))
+         (func_type (((Unmanaged WasmI32)) ((Unmanaged WasmI32))))
+         (args
+          (((immediate_desc (MImmConst (MConstLiteral (MConstI32 42))))
+            (immediate_analyses ((last_usage Unknown)))))))))))
+    (stack_size
+     ((stack_size_ptr 1) (stack_size_i32 0) (stack_size_i64 0)
+      (stack_size_f32 0) (stack_size_f64 0)))
+    (attrs (((txt Unsafe)))))
+   ((id ((name foo))) (name ()) (args (Managed (Unmanaged WasmI32)))
+    (return_type ((Unmanaged WasmI32))) (closure ())
+    (body
+     (((instr_desc
+        (MStore
+         (((MLocalBind 0 (Unmanaged WasmI32))
+           ((instr_desc
+             (MPrim2 Is
+              ((immediate_desc
+                (MImmBinding (MArgBind 1 (Unmanaged WasmI32))))
+               (immediate_analyses ((last_usage Unknown))))
+              ((immediate_desc (MImmConst (MConstLiteral (MConstI32 1))))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 1 (Unmanaged WasmI32))
+           ((instr_desc
+             (MIf
+              ((immediate_desc
+                (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+               (immediate_analyses ((last_usage Last))))
+              (((instr_desc
+                 (MImmediate
+                  ((immediate_desc (MImmConst (MConstI32 0)))
+                   (immediate_analyses ((last_usage Unknown))))))))
+              (((instr_desc
+                 (MStore
+                  (((MLocalBind 2 (Unmanaged WasmI32))
+                    ((instr_desc
+                      (MPrim2 Is
+                       ((immediate_desc
+                         (MImmBinding (MArgBind 1 (Unmanaged WasmI32))))
+                        (immediate_analyses ((last_usage Unknown))))
+                       ((immediate_desc
+                         (MImmConst (MConstLiteral (MConstI32 2))))
+                        (immediate_analyses ((last_usage Unknown))))))))))))
+               ((instr_desc
+                 (MIf
+                  ((immediate_desc
+                    (MImmBinding (MLocalBind 2 (Unmanaged WasmI32))))
+                   (immediate_analyses ((last_usage Last))))
+                  (((instr_desc
+                     (MImmediate
+                      ((immediate_desc (MImmConst (MConstI32 1)))
+                       (immediate_analyses ((last_usage Unknown))))))))
+                  (((instr_desc
+                     (MStore
+                      (((MLocalBind 3 (Unmanaged WasmI32))
+                        ((instr_desc
+                          (MPrim2 Is
+                           ((immediate_desc
+                             (MImmBinding (MArgBind 1 (Unmanaged WasmI32))))
+                            (immediate_analyses ((last_usage Unknown))))
+                           ((immediate_desc
+                             (MImmConst (MConstLiteral (MConstI32 3))))
+                            (immediate_analyses ((last_usage Unknown))))))))))))
+                   ((instr_desc
+                     (MIf
+                      ((immediate_desc
+                        (MImmBinding (MLocalBind 3 (Unmanaged WasmI32))))
+                       (immediate_analyses ((last_usage Last))))
+                      (((instr_desc
+                         (MImmediate
+                          ((immediate_desc (MImmConst (MConstI32 2)))
+                           (immediate_analyses ((last_usage Unknown))))))))
+                      (((instr_desc
+                         (MStore
+                          (((MLocalBind 4 (Unmanaged WasmI32))
+                            ((instr_desc
+                              (MPrim2 Is
+                               ((immediate_desc
+                                 (MImmBinding
+                                  (MArgBind 1 (Unmanaged WasmI32))))
+                                (immediate_analyses ((last_usage Unknown))))
+                               ((immediate_desc
+                                 (MImmConst (MConstLiteral (MConstI32 4))))
+                                (immediate_analyses ((last_usage Unknown))))))))))))
+                       ((instr_desc
+                         (MIf
+                          ((immediate_desc
+                            (MImmBinding (MLocalBind 4 (Unmanaged WasmI32))))
+                           (immediate_analyses ((last_usage Last))))
+                          (((instr_desc
+                             (MImmediate
+                              ((immediate_desc (MImmConst (MConstI32 3)))
+                               (immediate_analyses ((last_usage Unknown))))))))
+                          (((instr_desc
+                             (MStore
+                              (((MLocalBind 5 (Unmanaged WasmI32))
+                                ((instr_desc
+                                  (MPrim2 Is
+                                   ((immediate_desc
+                                     (MImmBinding
+                                      (MArgBind 1 (Unmanaged WasmI32))))
+                                    (immediate_analyses
+                                     ((last_usage Unknown))))
+                                   ((immediate_desc
+                                     (MImmConst
+                                      (MConstLiteral (MConstI32 5))))
+                                    (immediate_analyses
+                                     ((last_usage Unknown))))))))))))
+                           ((instr_desc
+                             (MIf
+                              ((immediate_desc
+                                (MImmBinding
+                                 (MLocalBind 5 (Unmanaged WasmI32))))
+                               (immediate_analyses ((last_usage Last))))
+                              (((instr_desc
+                                 (MImmediate
+                                  ((immediate_desc (MImmConst (MConstI32 4)))
+                                   (immediate_analyses
+                                    ((last_usage Unknown))))))))
+                              (((instr_desc
+                                 (MStore
+                                  (((MLocalBind 6 (Unmanaged WasmI32))
+                                    ((instr_desc
+                                      (MPrim2 Is
+                                       ((immediate_desc
+                                         (MImmBinding
+                                          (MArgBind 1 (Unmanaged WasmI32))))
+                                        (immediate_analyses
+                                         ((last_usage Last))))
+                                       ((immediate_desc
+                                         (MImmConst
+                                          (MConstLiteral (MConstI32 6))))
+                                        (immediate_analyses
+                                         ((last_usage Unknown))))))))))))
+                               ((instr_desc
+                                 (MIf
+                                  ((immediate_desc
+                                    (MImmBinding
+                                     (MLocalBind 6 (Unmanaged WasmI32))))
+                                   (immediate_analyses ((last_usage Last))))
+                                  (((instr_desc
+                                     (MImmediate
+                                      ((immediate_desc
+                                        (MImmConst (MConstI32 5)))
+                                       (immediate_analyses
+                                        ((last_usage Unknown))))))))
+                                  (((instr_desc
+                                     (MImmediate
+                                      ((immediate_desc
+                                        (MImmConst (MConstI32 6)))
+                                       (immediate_analyses
+                                        ((last_usage Unknown))))))))))))))))))))))))))))))))))))
+      ((instr_desc
+        (MCleanup
+         (((instr_desc
+            (MSwitch
+             ((immediate_desc
+               (MImmBinding (MLocalBind 1 (Unmanaged WasmI32))))
+              (immediate_analyses ((last_usage Last))))
+             ((0
+               (((instr_desc
+                  (MStore
+                   (((MLocalBind 0 Managed)
+                     ((instr_desc
+                       (MAllocate
+                        (MADT
+                         ((immediate_desc (MImmConst (MConstI32 250551095)))
+                          (immediate_analyses ((last_usage Unknown))))
+                         ((immediate_desc (MImmConst (MConstI32 3)))
+                          (immediate_analyses ((last_usage Unknown))))
+                         ((immediate_desc (MImmConst (MConstI32 1)))
+                          (immediate_analyses ((last_usage Unknown))))
+                         ())))))))))
+                ((instr_desc
+                  (MCleanup ()
+                   (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+                     (immediate_analyses ((last_usage Unknown))))))))
+                ((instr_desc
+                  (MReturnCallKnown (func print_1125)
+                   (closure
+                    ((immediate_desc
+                      (MIncRef
+                       ((immediate_desc
+                         (MImmBinding (MGlobalBind print_1125 Managed)))
+                        (immediate_analyses ((last_usage TailCallLast))))))
+                     (immediate_analyses ((last_usage Unknown)))))
+                   (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+                   (args
+                    (((immediate_desc (MImmConst (MConstI32 1)))
+                      (immediate_analyses ((last_usage Unknown))))
+                     ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+                      (immediate_analyses ((last_usage Last)))))))))))
+              (1
+               (((instr_desc
+                  (MStore
+                   (((MLocalBind 1 Managed)
+                     ((instr_desc
+                       (MAllocate
+                        (MADT
+                         ((immediate_desc (MImmConst (MConstI32 250551095)))
+                          (immediate_analyses ((last_usage Unknown))))
+                         ((immediate_desc (MImmConst (MConstI32 3)))
+                          (immediate_analyses ((last_usage Unknown))))
+                         ((immediate_desc (MImmConst (MConstI32 1)))
+                          (immediate_analyses ((last_usage Unknown))))
+                         ())))))))))
+                ((instr_desc
+                  (MCleanup ()
+                   (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+                     (immediate_analyses ((last_usage Unknown))))))))
+                ((instr_desc
+                  (MReturnCallKnown (func print_1125)
+                   (closure
+                    ((immediate_desc
+                      (MIncRef
+                       ((immediate_desc
+                         (MImmBinding (MGlobalBind print_1125 Managed)))
+                        (immediate_analyses ((last_usage TailCallLast))))))
+                     (immediate_analyses ((last_usage Unknown)))))
+                   (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+                   (args
+                    (((immediate_desc (MImmConst (MConstI32 2)))
+                      (immediate_analyses ((last_usage Unknown))))
+                     ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+                      (immediate_analyses ((last_usage Last)))))))))))
+              (2
+               (((instr_desc
+                  (MStore
+                   (((MLocalBind 2 Managed)
+                     ((instr_desc
+                       (MAllocate
+                        (MADT
+                         ((immediate_desc (MImmConst (MConstI32 250551095)))
+                          (immediate_analyses ((last_usage Unknown))))
+                         ((immediate_desc (MImmConst (MConstI32 3)))
+                          (immediate_analyses ((last_usage Unknown))))
+                         ((immediate_desc (MImmConst (MConstI32 1)))
+                          (immediate_analyses ((last_usage Unknown))))
+                         ())))))))))
+                ((instr_desc
+                  (MCleanup ()
+                   (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+                     (immediate_analyses ((last_usage Unknown))))))))
+                ((instr_desc
+                  (MReturnCallKnown (func print_1125)
+                   (closure
+                    ((immediate_desc
+                      (MIncRef
+                       ((immediate_desc
+                         (MImmBinding (MGlobalBind print_1125 Managed)))
+                        (immediate_analyses ((last_usage TailCallLast))))))
+                     (immediate_analyses ((last_usage Unknown)))))
+                   (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+                   (args
+                    (((immediate_desc (MImmConst (MConstI32 3)))
+                      (immediate_analyses ((last_usage Unknown))))
+                     ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+                      (immediate_analyses ((last_usage Last)))))))))))
+              (3
+               (((instr_desc
+                  (MStore
+                   (((MLocalBind 3 Managed)
+                     ((instr_desc
+                       (MAllocate
+                        (MADT
+                         ((immediate_desc (MImmConst (MConstI32 250551095)))
+                          (immediate_analyses ((last_usage Unknown))))
+                         ((immediate_desc (MImmConst (MConstI32 3)))
+                          (immediate_analyses ((last_usage Unknown))))
+                         ((immediate_desc (MImmConst (MConstI32 1)))
+                          (immediate_analyses ((last_usage Unknown))))
+                         ())))))))))
+                ((instr_desc
+                  (MCleanup ()
+                   (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+                     (immediate_analyses ((last_usage Unknown))))))))
+                ((instr_desc
+                  (MReturnCallKnown (func print_1125)
+                   (closure
+                    ((immediate_desc
+                      (MIncRef
+                       ((immediate_desc
+                         (MImmBinding (MGlobalBind print_1125 Managed)))
+                        (immediate_analyses ((last_usage TailCallLast))))))
+                     (immediate_analyses ((last_usage Unknown)))))
+                   (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+                   (args
+                    (((immediate_desc (MImmConst (MConstI32 4)))
+                      (immediate_analyses ((last_usage Unknown))))
+                     ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+                      (immediate_analyses ((last_usage Last)))))))))))
+              (4
+               (((instr_desc
+                  (MStore
+                   (((MLocalBind 4 Managed)
+                     ((instr_desc
+                       (MAllocate
+                        (MADT
+                         ((immediate_desc (MImmConst (MConstI32 250551095)))
+                          (immediate_analyses ((last_usage Unknown))))
+                         ((immediate_desc (MImmConst (MConstI32 3)))
+                          (immediate_analyses ((last_usage Unknown))))
+                         ((immediate_desc (MImmConst (MConstI32 1)))
+                          (immediate_analyses ((last_usage Unknown))))
+                         ())))))))))
+                ((instr_desc
+                  (MCleanup ()
+                   (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+                     (immediate_analyses ((last_usage Unknown))))))))
+                ((instr_desc
+                  (MReturnCallKnown (func print_1125)
+                   (closure
+                    ((immediate_desc
+                      (MIncRef
+                       ((immediate_desc
+                         (MImmBinding (MGlobalBind print_1125 Managed)))
+                        (immediate_analyses ((last_usage TailCallLast))))))
+                     (immediate_analyses ((last_usage Unknown)))))
+                   (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+                   (args
+                    (((immediate_desc (MImmConst (MConstI32 5)))
+                      (immediate_analyses ((last_usage Unknown))))
+                     ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+                      (immediate_analyses ((last_usage Last)))))))))))
+              (5
+               (((instr_desc
+                  (MStore
+                   (((MLocalBind 5 Managed)
+                     ((instr_desc
+                       (MAllocate
+                        (MADT
+                         ((immediate_desc (MImmConst (MConstI32 250551095)))
+                          (immediate_analyses ((last_usage Unknown))))
+                         ((immediate_desc (MImmConst (MConstI32 3)))
+                          (immediate_analyses ((last_usage Unknown))))
+                         ((immediate_desc (MImmConst (MConstI32 1)))
+                          (immediate_analyses ((last_usage Unknown))))
+                         ())))))))))
+                ((instr_desc
+                  (MCleanup ()
+                   (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+                     (immediate_analyses ((last_usage Unknown))))))))
+                ((instr_desc
+                  (MReturnCallKnown (func print_1125)
+                   (closure
+                    ((immediate_desc
+                      (MIncRef
+                       ((immediate_desc
+                         (MImmBinding (MGlobalBind print_1125 Managed)))
+                        (immediate_analyses ((last_usage TailCallLast))))))
+                     (immediate_analyses ((last_usage Unknown)))))
+                   (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+                   (args
+                    (((immediate_desc (MImmConst (MConstI32 6)))
+                      (immediate_analyses ((last_usage Unknown))))
+                     ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+                      (immediate_analyses ((last_usage Last)))))))))))
+              (6
+               (((instr_desc
+                  (MStore
+                   (((MLocalBind 6 Managed)
+                     ((instr_desc
+                       (MAllocate
+                        (MADT
+                         ((immediate_desc (MImmConst (MConstI32 250551095)))
+                          (immediate_analyses ((last_usage Unknown))))
+                         ((immediate_desc (MImmConst (MConstI32 3)))
+                          (immediate_analyses ((last_usage Unknown))))
+                         ((immediate_desc (MImmConst (MConstI32 1)))
+                          (immediate_analyses ((last_usage Unknown))))
+                         ())))))))))
+                ((instr_desc
+                  (MStore
+                   (((MLocalBind 7 Managed)
+                     ((instr_desc (MAllocate (MString other)))))))))
+                ((instr_desc
+                  (MCleanup ()
+                   (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+                     (immediate_analyses ((last_usage Unknown))))))))
+                ((instr_desc
+                  (MReturnCallKnown (func print_1125)
+                   (closure
+                    ((immediate_desc
+                      (MIncRef
+                       ((immediate_desc
+                         (MImmBinding (MGlobalBind print_1125 Managed)))
+                        (immediate_analyses ((last_usage Last))))))
+                     (immediate_analyses ((last_usage Unknown)))))
+                   (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+                   (args
+                    (((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+                      (immediate_analyses ((last_usage Last))))
+                     ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+                      (immediate_analyses ((last_usage Last))))))))))))
+             (((instr_desc
+                (MImmediate
+                 ((immediate_desc MImmTrap)
+                  (immediate_analyses ((last_usage Unknown))))))))
+             (Unmanaged WasmI32)))))
+         (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))))
+    (stack_size
+     ((stack_size_ptr 8) (stack_size_i32 7) (stack_size_i64 0)
+      (stack_size_f32 0) (stack_size_f64 0)))
+    (attrs (((txt Unsafe)))))))
+ (imports
+  (((mimp_id ((name print))) (mimp_mod pervasives.gr) (mimp_name print)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name print))) (mimp_mod pervasives.gr) (mimp_name print)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind test_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func test_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind test_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type (() ((Unmanaged WasmI32)))) (args ()))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name test)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.7222ab37.0.snapshot b/compiler/test/__snapshots__/basic_functionality.7222ab37.0.snapshot
index 9e228c648..56804653d 100644
--- a/compiler/test/__snapshots__/basic_functionality.7222ab37.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.7222ab37.0.snapshot
@@ -1,35 +1,13 @@
 basic functionality › tru
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const -2)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.7287219f.0.snapshot b/compiler/test/__snapshots__/basic_functionality.7287219f.0.snapshot
index 436275562..208bf196d 100644
--- a/compiler/test/__snapshots__/basic_functionality.7287219f.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.7287219f.0.snapshot
@@ -1,48 +1,33 @@
 basic functionality › asr1
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$>>\" (global $>>_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \">>\" (func $>>_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $>>_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $>>_1113)
-    )
-    (i32.const 359)
-    (i32.const 3)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name >>))) (mimp_mod pervasives.gr) (mimp_name >>)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name >>))) (mimp_mod pervasives.gr) (mimp_name >>)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func >>_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind >>_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 179)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.7599b5a6.0.snapshot b/compiler/test/__snapshots__/basic_functionality.7599b5a6.0.snapshot
index 95c86e8bb..5f1901cd6 100644
--- a/compiler/test/__snapshots__/basic_functionality.7599b5a6.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.7599b5a6.0.snapshot
@@ -1,85 +1,52 @@
 basic functionality › assignment1
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1117 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1117 (param i32 i32 i32) (result i32)))
- (global $t_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.6 (result i32)
-   (block $compile_store.2
-    (global.set $t_1113
-     (i32.const 3)
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (block $compile_store.4
-    (local.set $6
-     (call $+_1117
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $+_1117)
-      )
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $t_1113)
-      )
-      (i32.const 5)
-     )
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (block $compile_set.5 (result i32)
-    (global.set $t_1113
-     (tuple.extract 0
-      (tuple.make
-       (call $incRef_0
-        (global.get $GRAIN$EXPORT$incRef_0)
-        (local.get $6)
-       )
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (global.get $t_1113)
-       )
-      )
-     )
-    )
-    (i32.const 1879048190)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind t_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstI32 1)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MCallKnown (func +_1117)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind +_1117 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) (Managed)))
+           (args
+            (((immediate_desc
+               (MIncRef
+                ((immediate_desc (MImmBinding (MGlobalBind t_1113 Managed)))
+                 (immediate_analyses ((last_usage Unknown))))))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MSet (MGlobalBind t_1113 Managed)
+      ((instr_desc
+        (MImmediate
+         ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+          (immediate_analyses ((last_usage Last))))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name t)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.7848308f.0.snapshot b/compiler/test/__snapshots__/basic_functionality.7848308f.0.snapshot
index 42ffcc767..b4e658abf 100644
--- a/compiler/test/__snapshots__/basic_functionality.7848308f.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.7848308f.0.snapshot
@@ -1,35 +1,13 @@
 basic functionality › or3
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const -2)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.79ea1ccc.0.snapshot b/compiler/test/__snapshots__/basic_functionality.79ea1ccc.0.snapshot
index 5ecd8659d..47ab22b3b 100644
--- a/compiler/test/__snapshots__/basic_functionality.79ea1ccc.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.79ea1ccc.0.snapshot
@@ -1,85 +1,52 @@
 basic functionality › assignment1
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$-\" (global $-_1117 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"-\" (func $-_1117 (param i32 i32 i32) (result i32)))
- (global $t_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.6 (result i32)
-   (block $compile_store.2
-    (global.set $t_1113
-     (i32.const 5)
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (block $compile_store.4
-    (local.set $6
-     (call $-_1117
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $-_1117)
-      )
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $t_1113)
-      )
-      (i32.const 5)
-     )
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (block $compile_set.5 (result i32)
-    (global.set $t_1113
-     (tuple.extract 0
-      (tuple.make
-       (call $incRef_0
-        (global.get $GRAIN$EXPORT$incRef_0)
-        (local.get $6)
-       )
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (global.get $t_1113)
-       )
-      )
-     )
-    )
-    (i32.const 1879048190)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name -))) (mimp_mod pervasives.gr) (mimp_name -)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name -))) (mimp_mod pervasives.gr) (mimp_name -)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind t_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstI32 2)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MCallKnown (func -_1117)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind -_1117 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) (Managed)))
+           (args
+            (((immediate_desc
+               (MIncRef
+                ((immediate_desc (MImmBinding (MGlobalBind t_1113 Managed)))
+                 (immediate_analyses ((last_usage Unknown))))))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MSet (MGlobalBind t_1113 Managed)
+      ((instr_desc
+        (MImmediate
+         ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+          (immediate_analyses ((last_usage Last))))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name t)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.7b13e79a.0.snapshot b/compiler/test/__snapshots__/basic_functionality.7b13e79a.0.snapshot
index cad7a5960..2630e9ad2 100644
--- a/compiler/test/__snapshots__/basic_functionality.7b13e79a.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.7b13e79a.0.snapshot
@@ -1,35 +1,13 @@
 basic functionality › and4
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const 2147483646)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstLiteral (MConstI32 2147483646))))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.7bb7b0d4.0.snapshot b/compiler/test/__snapshots__/basic_functionality.7bb7b0d4.0.snapshot
index 5f95dbf37..b8da694fa 100644
--- a/compiler/test/__snapshots__/basic_functionality.7bb7b0d4.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.7bb7b0d4.0.snapshot
@@ -1,53 +1,9 @@
 basic functionality › uint32_1
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_uint32.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 8)
-      )
-     )
-     (i32.const 11)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 42)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body (((instr_desc (MAllocate (MUint32 42))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.7beffe4d.0.snapshot b/compiler/test/__snapshots__/basic_functionality.7beffe4d.0.snapshot
index 8a64f95e1..396e01d17 100644
--- a/compiler/test/__snapshots__/basic_functionality.7beffe4d.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.7beffe4d.0.snapshot
@@ -1,57 +1,9 @@
 basic functionality › hex_dec_exp5
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_number.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 16)
-      )
-     )
-     (i32.const 5)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 1)
-    )
-    (f64.store offset=8
-     (local.get $0)
-     (f64.const 841.25)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body (((instr_desc (MAllocate (MFloat64 4650610929073913856))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.7ccc4940.0.snapshot b/compiler/test/__snapshots__/basic_functionality.7ccc4940.0.snapshot
index 231d37298..59781da51 100644
--- a/compiler/test/__snapshots__/basic_functionality.7ccc4940.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.7ccc4940.0.snapshot
@@ -1,115 +1,13 @@
 basic functionality › division1
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.4 (result i32)
-   (block $allocate_number.3 (result i32)
-    (i32.store
-     (local.tee $1
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 16)
-      )
-     )
-     (i32.const 5)
-    )
-    (i32.store offset=4
-     (local.get $1)
-     (i32.const 3)
-    )
-    (i32.store offset=8
-     (local.get $1)
-     (block $allocate_number.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 24)
-        )
-       )
-       (i32.const 5)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 4)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 0)
-      )
-      (i64.store offset=16
-       (local.get $0)
-       (i64.const 5)
-      )
-      (local.get $0)
-     )
-    )
-    (i32.store offset=12
-     (local.get $1)
-     (block $allocate_number.2 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 24)
-        )
-       )
-       (i32.const 5)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 4)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 0)
-      )
-      (i64.store offset=16
-       (local.get $0)
-       (i64.const 2)
-      )
-      (local.get $0)
-     )
-    )
-    (local.get $1)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MAllocate
+      (MRational (numerator_flags ()) (numerator_limbs (5))
+       (denominator_flags ()) (denominator_limbs (2))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.7d0640b4.0.snapshot b/compiler/test/__snapshots__/basic_functionality.7d0640b4.0.snapshot
index 0257d5678..72e554d89 100644
--- a/compiler/test/__snapshots__/basic_functionality.7d0640b4.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.7d0640b4.0.snapshot
@@ -1,113 +1,81 @@
 basic functionality › if_one_sided2
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$print\" (global $print_1117 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$>\" (global $>_1114 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"print\" (func $print_1117 (param i32 i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \">\" (func $>_1114 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.8 (result i32)
-   (block $compile_store.2
-    (local.set $7
-     (call $>_1114
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $>_1114)
-      )
-      (i32.const 7)
-      (i32.const 9)
-     )
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (if (result i32)
-    (i32.shr_u
-     (local.get $7)
-     (i32.const 31)
-    )
-    (block $compile_block.6
-     (block $compile_store.5
-      (local.set $6
-       (block $allocate_adt.3 (result i32)
-        (i32.store
-         (local.tee $0
-          (call $malloc_0
-           (global.get $GRAIN$EXPORT$malloc_0)
-           (i32.const 20)
-          )
-         )
-         (i32.const 2)
-        )
-        (i32.store offset=4
-         (local.get $0)
-         (i32.const 501102191)
-        )
-        (i32.store offset=8
-         (local.get $0)
-         (i32.const 7)
-        )
-        (i32.store offset=12
-         (local.get $0)
-         (i32.const 3)
-        )
-        (i32.store offset=16
-         (local.get $0)
-         (i32.const 0)
-        )
-        (local.get $0)
-       )
-      )
-      (block $do_backpatches.4
-      )
-     )
-     (return_call $print_1117
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $print_1117)
-      )
-      (i32.const 11)
-      (local.get $6)
-     )
-    )
-    (block $compile_block.7 (result i32)
-     (i32.const 1879048190)
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name print))) (mimp_mod pervasives.gr) (mimp_name print)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name print))) (mimp_mod pervasives.gr) (mimp_name print)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((name >))) (mimp_mod pervasives.gr) (mimp_name >)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name >))) (mimp_mod pervasives.gr) (mimp_name >)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MCallKnown (func >_1114)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind >_1114 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+           (args
+            (((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 4)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MIf
+      ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+       (immediate_analyses ((last_usage Last))))
+      (((instr_desc
+         (MStore
+          (((MLocalBind 0 Managed)
+            ((instr_desc
+              (MAllocate
+               (MADT
+                ((immediate_desc (MImmConst (MConstI32 250551095)))
+                 (immediate_analyses ((last_usage Unknown))))
+                ((immediate_desc (MImmConst (MConstI32 3)))
+                 (immediate_analyses ((last_usage Unknown))))
+                ((immediate_desc (MImmConst (MConstI32 1)))
+                 (immediate_analyses ((last_usage Unknown))))
+                ())))))))))
+       ((instr_desc
+         (MReturnCallKnown (func print_1117)
+          (closure
+           ((immediate_desc
+             (MIncRef
+              ((immediate_desc
+                (MImmBinding (MGlobalBind print_1117 Managed)))
+               (immediate_analyses ((last_usage Last))))))
+            (immediate_analyses ((last_usage Unknown)))))
+          (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+          (args
+           (((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+             (immediate_analyses ((last_usage Last))))))))))
+      (((instr_desc
+         (MImmediate
+          ((immediate_desc
+            (MImmConst (MConstLiteral (MConstI32 1879048190))))
+           (immediate_analyses ((last_usage Unknown)))))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 1) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.83f51526.0.snapshot b/compiler/test/__snapshots__/basic_functionality.83f51526.0.snapshot
index d3f39fb41..ae3512172 100644
--- a/compiler/test/__snapshots__/basic_functionality.83f51526.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.83f51526.0.snapshot
@@ -1,57 +1,9 @@
 basic functionality › hex_dec_exp3
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_number.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 16)
-      )
-     )
-     (i32.const 5)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 1)
-    )
-    (f64.store offset=8
-     (local.get $0)
-     (f64.const 0.03125)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body (((instr_desc (MAllocate (MFloat64 4584664420663164928))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.86f332c6.0.snapshot b/compiler/test/__snapshots__/basic_functionality.86f332c6.0.snapshot
index 635eebae0..6964ec068 100644
--- a/compiler/test/__snapshots__/basic_functionality.86f332c6.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.86f332c6.0.snapshot
@@ -1,35 +1,13 @@
 basic functionality › bin_neg
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const -19)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstI32 -10)))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.8c8313f3.0.snapshot b/compiler/test/__snapshots__/basic_functionality.8c8313f3.0.snapshot
index b1dfe80c1..9707a9e31 100644
--- a/compiler/test/__snapshots__/basic_functionality.8c8313f3.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.8c8313f3.0.snapshot
@@ -1,57 +1,9 @@
 basic functionality › hex_dec_exp2
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_number.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 16)
-      )
-     )
-     (i32.const 5)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 1)
-    )
-    (f64.store offset=8
-     (local.get $0)
-     (f64.const 40)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body (((instr_desc (MAllocate (MFloat64 4630826316843712512))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.8e01d666.0.snapshot b/compiler/test/__snapshots__/basic_functionality.8e01d666.0.snapshot
index 9c26197c0..7af3ec568 100644
--- a/compiler/test/__snapshots__/basic_functionality.8e01d666.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.8e01d666.0.snapshot
@@ -1,57 +1,9 @@
 basic functionality › infinity_neg
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_number.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 16)
-      )
-     )
-     (i32.const 5)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 1)
-    )
-    (f64.store offset=8
-     (local.get $0)
-     (f64.const -inf)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body (((instr_desc (MAllocate (MFloat64 -4503599627370496))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.903ff701.0.snapshot b/compiler/test/__snapshots__/basic_functionality.903ff701.0.snapshot
index c52ad996f..1e4342590 100644
--- a/compiler/test/__snapshots__/basic_functionality.903ff701.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.903ff701.0.snapshot
@@ -1,57 +1,9 @@
 basic functionality › hex_dec_exp4
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_number.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 16)
-      )
-     )
-     (i32.const 5)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 1)
-    )
-    (f64.store offset=8
-     (local.get $0)
-     (f64.const 832)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body (((instr_desc (MAllocate (MFloat64 4650529565213458432))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.9110d0f5.0.snapshot b/compiler/test/__snapshots__/basic_functionality.9110d0f5.0.snapshot
index 9414e71f4..b73d83555 100644
--- a/compiler/test/__snapshots__/basic_functionality.9110d0f5.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.9110d0f5.0.snapshot
@@ -1,48 +1,34 @@
 basic functionality › comp13
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$==\" (global $==_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"==\" (func $==_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $==_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $==_1113)
-    )
-    (i32.const -2)
-    (i32.const -2)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name ==))) (mimp_mod pervasives.gr) (mimp_name ==)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name ==))) (mimp_mod pervasives.gr) (mimp_name ==)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func ==_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind ==_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type
+       (((Unmanaged WasmI32) (Unmanaged WasmI32)) ((Unmanaged WasmI32))))
+      (args
+       (((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.9157dba1.0.snapshot b/compiler/test/__snapshots__/basic_functionality.9157dba1.0.snapshot
index adc57c389..dc6776940 100644
--- a/compiler/test/__snapshots__/basic_functionality.9157dba1.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.9157dba1.0.snapshot
@@ -1,48 +1,33 @@
 basic functionality › andshadow
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1114 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1114 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $+_1114
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $+_1114)
-    )
-    (i32.const 3)
-    (i32.const 5)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func +_1114)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind +_1114 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 2)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.9379df0d.0.snapshot b/compiler/test/__snapshots__/basic_functionality.9379df0d.0.snapshot
index 35429d4b8..ed354172e 100644
--- a/compiler/test/__snapshots__/basic_functionality.9379df0d.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.9379df0d.0.snapshot
@@ -1,278 +1,95 @@
 basic functionality › comp21
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (block $compile_block.20 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_tuple.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 12)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_adt.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.9
-    (local.set $8
-     (block $allocate_adt.7 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (local.get $6)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $7)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $compile_store.12
-    (local.set $9
-     (block $allocate_tuple.10 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 12)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.11
-    )
-   )
-   (block $compile_store.15
-    (local.set $10
-     (block $allocate_adt.13 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.14
-    )
-   )
-   (block $compile_store.18
-    (local.set $11
-     (block $allocate_adt.16 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (local.get $9)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $10)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.17
-    )
-   )
-   (tuple.extract 0
-    (tuple.make
-     (i32.or
-      (i32.shl
-       (i32.eq
-        (local.get $8)
-        (local.get $11)
-       )
-       (i32.const 31)
-      )
-      (i32.const 2147483646)
-     )
-     (block $cleanup.19 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $8)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $11)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MBox
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown)))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))
+             ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MAllocate
+           (MBox
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown)))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 5 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+              (immediate_analyses ((last_usage Last))))
+             ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MCleanup
+      (((instr_desc
+         (MPrim2 Is
+          ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+           (immediate_analyses ((last_usage Last))))
+          ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+           (immediate_analyses ((last_usage Last))))))))
+      (((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 6) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.950b8fda.0.snapshot b/compiler/test/__snapshots__/basic_functionality.950b8fda.0.snapshot
index 69cf61785..3ecd5c03b 100644
--- a/compiler/test/__snapshots__/basic_functionality.950b8fda.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.950b8fda.0.snapshot
@@ -1,35 +1,13 @@
 basic functionality › binop2.3
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const -3)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstI32 -2)))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.970a2a2b.0.snapshot b/compiler/test/__snapshots__/basic_functionality.970a2a2b.0.snapshot
index 92753c838..34dca4d97 100644
--- a/compiler/test/__snapshots__/basic_functionality.970a2a2b.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.970a2a2b.0.snapshot
@@ -1,35 +1,13 @@
 basic functionality › not2
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const -2)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.974b7936.0.snapshot b/compiler/test/__snapshots__/basic_functionality.974b7936.0.snapshot
index 765ff01bb..b3a5c47b2 100644
--- a/compiler/test/__snapshots__/basic_functionality.974b7936.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.974b7936.0.snapshot
@@ -1,48 +1,33 @@
 basic functionality › lxor3
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$^\" (global $^_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"^\" (func $^_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $^_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $^_1113)
-    )
-    (i32.const 1)
-    (i32.const 3)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name ^))) (mimp_mod pervasives.gr) (mimp_name ^)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name ^))) (mimp_mod pervasives.gr) (mimp_name ^)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func ^_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind ^_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 0)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.994117f8.0.snapshot b/compiler/test/__snapshots__/basic_functionality.994117f8.0.snapshot
index c39ec9524..f2b9b0402 100644
--- a/compiler/test/__snapshots__/basic_functionality.994117f8.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.994117f8.0.snapshot
@@ -1,46 +1,30 @@
 basic functionality › incr_3
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$incr\" (global $incr_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"incr\" (func $incr_1113 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $incr_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $incr_1113)
-    )
-    (i32.const -1)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name incr))) (mimp_mod pervasives.gr) (mimp_name incr)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32)) ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name incr))) (mimp_mod pervasives.gr) (mimp_name incr)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func incr_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind incr_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 -1)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.9b9c7047.0.snapshot b/compiler/test/__snapshots__/basic_functionality.9b9c7047.0.snapshot
index be05c133f..e2b66619d 100644
--- a/compiler/test/__snapshots__/basic_functionality.9b9c7047.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.9b9c7047.0.snapshot
@@ -1,57 +1,9 @@
 basic functionality › void
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_string.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 16)
-      )
-     )
-     (i32.const 1)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 3)
-    )
-    (i64.store offset=8
-     (local.get $0)
-     (i64.const 7303014)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body (((instr_desc (MAllocate (MString foo))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.9c18b19d.0.snapshot b/compiler/test/__snapshots__/basic_functionality.9c18b19d.0.snapshot
index 4276db4d6..2d21d6110 100644
--- a/compiler/test/__snapshots__/basic_functionality.9c18b19d.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.9c18b19d.0.snapshot
@@ -1,93 +1,58 @@
 basic functionality › if_one_sided3
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$<\" (global $<_1116 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"<\" (func $<_1116 (param i32 i32 i32) (result i32)))
- (global $x_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.8 (result i32)
-   (block $compile_store.2
-    (global.set $x_1113
-     (i32.const 3)
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (block $compile_store.4
-    (local.set $6
-     (call $<_1116
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $<_1116)
-      )
-      (i32.const 7)
-      (i32.const 9)
-     )
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (if (result i32)
-    (i32.shr_u
-     (local.get $6)
-     (i32.const 31)
-    )
-    (block $compile_block.6 (result i32)
-     (block $compile_set.5 (result i32)
-      (global.set $x_1113
-       (tuple.extract 0
-        (tuple.make
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (i32.const 5)
-         )
-         (call $decRef_0
-          (global.get $GRAIN$EXPORT$decRef_0)
-          (global.get $x_1113)
-         )
-        )
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-    (block $compile_block.7 (result i32)
-     (i32.const 1879048190)
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name <))) (mimp_mod pervasives.gr) (mimp_name <)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name <))) (mimp_mod pervasives.gr) (mimp_name <)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind x_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstI32 1)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MCallKnown (func <_1116)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind <_1116 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+           (args
+            (((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 4)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MIf
+      ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+       (immediate_analyses ((last_usage Last))))
+      (((instr_desc
+         (MSet (MGlobalBind x_1113 Managed)
+          ((instr_desc
+            (MImmediate
+             ((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown)))))))))))
+      (((instr_desc
+         (MImmediate
+          ((immediate_desc
+            (MImmConst (MConstLiteral (MConstI32 1879048190))))
+           (immediate_analyses ((last_usage Unknown)))))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 1) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name x)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.9df4a5e0.0.snapshot b/compiler/test/__snapshots__/basic_functionality.9df4a5e0.0.snapshot
index 0b162d1e9..0d83cdd05 100644
--- a/compiler/test/__snapshots__/basic_functionality.9df4a5e0.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.9df4a5e0.0.snapshot
@@ -1,35 +1,13 @@
 basic functionality › and1
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const -2)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.9fb01eb5.0.snapshot b/compiler/test/__snapshots__/basic_functionality.9fb01eb5.0.snapshot
index 0844291c7..a69e5d27f 100644
--- a/compiler/test/__snapshots__/basic_functionality.9fb01eb5.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.9fb01eb5.0.snapshot
@@ -1,35 +1,13 @@
 basic functionality › simple_max
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const 2147483647)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstI32 1073741823)))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.a0045d1c.0.snapshot b/compiler/test/__snapshots__/basic_functionality.a0045d1c.0.snapshot
index 0174f4843..8f40c52db 100644
--- a/compiler/test/__snapshots__/basic_functionality.a0045d1c.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.a0045d1c.0.snapshot
@@ -1,48 +1,33 @@
 basic functionality › binop1
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $+_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $+_1113)
-    )
-    (i32.const 5)
-    (i32.const 5)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func +_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind +_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 2)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 2)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.a0747361.0.snapshot b/compiler/test/__snapshots__/basic_functionality.a0747361.0.snapshot
index f9daffac2..14c14ad85 100644
--- a/compiler/test/__snapshots__/basic_functionality.a0747361.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.a0747361.0.snapshot
@@ -1,35 +1,13 @@
 basic functionality › hex
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const 511)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstI32 255)))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.a2e63440.0.snapshot b/compiler/test/__snapshots__/basic_functionality.a2e63440.0.snapshot
index bc63392a2..c6433cc32 100644
--- a/compiler/test/__snapshots__/basic_functionality.a2e63440.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.a2e63440.0.snapshot
@@ -1,67 +1,48 @@
 basic functionality › comp9
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$>=\" (global $>=_1114 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \">=\" (func $>=_1114 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.5 (result i32)
-   (block $compile_store.2
-    (local.set $6
-     (call $>=_1114
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $>=_1114)
-      )
-      (i32.const 5)
-      (i32.const 5)
-     )
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (if (result i32)
-    (i32.shr_u
-     (local.get $6)
-     (i32.const 31)
-    )
-    (block $compile_block.3 (result i32)
-     (i32.const 21)
-    )
-    (block $compile_block.4 (result i32)
-     (i32.const 23)
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name >=))) (mimp_mod pervasives.gr) (mimp_name >=)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name >=))) (mimp_mod pervasives.gr) (mimp_name >=)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MCallKnown (func >=_1114)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind >=_1114 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+           (args
+            (((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MIf
+      ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+       (immediate_analyses ((last_usage Last))))
+      (((instr_desc
+         (MImmediate
+          ((immediate_desc (MImmConst (MConstI32 10)))
+           (immediate_analyses ((last_usage Unknown))))))))
+      (((instr_desc
+         (MImmediate
+          ((immediate_desc (MImmConst (MConstI32 11)))
+           (immediate_analyses ((last_usage Unknown)))))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 1) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.a3f7e180.0.snapshot b/compiler/test/__snapshots__/basic_functionality.a3f7e180.0.snapshot
index 21b4ff882..182b21c4a 100644
--- a/compiler/test/__snapshots__/basic_functionality.a3f7e180.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.a3f7e180.0.snapshot
@@ -1,77 +1,37 @@
 basic functionality › bigint_1
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.4
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_number.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 5)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i64.store offset=8
-       (local.get $0)
-       (i64.const 9223372036854775807)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (return_call $+_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $+_1113)
-    )
-    (local.get $6)
-    (i32.const 3)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc (MAllocate (MInt64 9223372036854775807)))))))))
+   ((instr_desc
+     (MReturnCallKnown (func +_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind +_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+         (immediate_analyses ((last_usage Last))))
+        ((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.a4ec9fca.0.snapshot b/compiler/test/__snapshots__/basic_functionality.a4ec9fca.0.snapshot
index 454c7501a..2fee0217e 100644
--- a/compiler/test/__snapshots__/basic_functionality.a4ec9fca.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.a4ec9fca.0.snapshot
@@ -1,35 +1,13 @@
 basic functionality › andshort2
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const 2147483646)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstLiteral (MConstI32 2147483646))))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.a58a9361.0.snapshot b/compiler/test/__snapshots__/basic_functionality.a58a9361.0.snapshot
index 4c82ef240..b9269d16a 100644
--- a/compiler/test/__snapshots__/basic_functionality.a58a9361.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.a58a9361.0.snapshot
@@ -1,48 +1,33 @@
 basic functionality › lxor2
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$^\" (global $^_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"^\" (func $^_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $^_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $^_1113)
-    )
-    (i32.const 3)
-    (i32.const 1)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name ^))) (mimp_mod pervasives.gr) (mimp_name ^)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name ^))) (mimp_mod pervasives.gr) (mimp_name ^)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func ^_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind ^_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 0)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.a5d5182f.0.snapshot b/compiler/test/__snapshots__/basic_functionality.a5d5182f.0.snapshot
index baecb81e8..fd346ab50 100644
--- a/compiler/test/__snapshots__/basic_functionality.a5d5182f.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.a5d5182f.0.snapshot
@@ -1,67 +1,49 @@
 basic functionality › comp2
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$<=\" (global $<=_1114 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"<=\" (func $<=_1114 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.5 (result i32)
-   (block $compile_store.2
-    (local.set $6
-     (call $<=_1114
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $<=_1114)
-      )
-      (i32.const 5)
-      (i32.const 7)
-     )
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (if (result i32)
-    (i32.shr_u
-     (local.get $6)
-     (i32.const 31)
-    )
-    (block $compile_block.3 (result i32)
-     (i32.const -2)
-    )
-    (block $compile_block.4 (result i32)
-     (i32.const 2147483646)
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name <=))) (mimp_mod pervasives.gr) (mimp_name <=)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name <=))) (mimp_mod pervasives.gr) (mimp_name <=)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MCallKnown (func <=_1114)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind <=_1114 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+           (args
+            (((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MIf
+      ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+       (immediate_analyses ((last_usage Last))))
+      (((instr_desc
+         (MImmediate
+          ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+           (immediate_analyses ((last_usage Unknown))))))))
+      (((instr_desc
+         (MImmediate
+          ((immediate_desc
+            (MImmConst (MConstLiteral (MConstI32 2147483646))))
+           (immediate_analyses ((last_usage Unknown)))))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 1) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.a72898d0.0.snapshot b/compiler/test/__snapshots__/basic_functionality.a72898d0.0.snapshot
index 0c4539f63..68656b7de 100644
--- a/compiler/test/__snapshots__/basic_functionality.a72898d0.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.a72898d0.0.snapshot
@@ -1,67 +1,48 @@
 basic functionality › comp8
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$<=\" (global $<=_1114 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"<=\" (func $<=_1114 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.5 (result i32)
-   (block $compile_store.2
-    (local.set $6
-     (call $<=_1114
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $<=_1114)
-      )
-      (i32.const 5)
-      (i32.const 5)
-     )
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (if (result i32)
-    (i32.shr_u
-     (local.get $6)
-     (i32.const 31)
-    )
-    (block $compile_block.3 (result i32)
-     (i32.const 21)
-    )
-    (block $compile_block.4 (result i32)
-     (i32.const 23)
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name <=))) (mimp_mod pervasives.gr) (mimp_name <=)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name <=))) (mimp_mod pervasives.gr) (mimp_name <=)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MCallKnown (func <=_1114)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind <=_1114 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+           (args
+            (((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MIf
+      ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+       (immediate_analyses ((last_usage Last))))
+      (((instr_desc
+         (MImmediate
+          ((immediate_desc (MImmConst (MConstI32 10)))
+           (immediate_analyses ((last_usage Unknown))))))))
+      (((instr_desc
+         (MImmediate
+          ((immediate_desc (MImmConst (MConstI32 11)))
+           (immediate_analyses ((last_usage Unknown)))))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 1) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.abd9d13c.0.snapshot b/compiler/test/__snapshots__/basic_functionality.abd9d13c.0.snapshot
index a6567f401..38ee6772e 100644
--- a/compiler/test/__snapshots__/basic_functionality.abd9d13c.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.abd9d13c.0.snapshot
@@ -1,67 +1,48 @@
 basic functionality › comp7
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$==\" (global $==_1114 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"==\" (func $==_1114 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.5 (result i32)
-   (block $compile_store.2
-    (local.set $6
-     (call $==_1114
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $==_1114)
-      )
-      (i32.const 5)
-      (i32.const 5)
-     )
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (if (result i32)
-    (i32.shr_u
-     (local.get $6)
-     (i32.const 31)
-    )
-    (block $compile_block.3 (result i32)
-     (i32.const 17)
-    )
-    (block $compile_block.4 (result i32)
-     (i32.const 19)
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name ==))) (mimp_mod pervasives.gr) (mimp_name ==)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name ==))) (mimp_mod pervasives.gr) (mimp_name ==)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MCallKnown (func ==_1114)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind ==_1114 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+           (args
+            (((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MIf
+      ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+       (immediate_analyses ((last_usage Last))))
+      (((instr_desc
+         (MImmediate
+          ((immediate_desc (MImmConst (MConstI32 8)))
+           (immediate_analyses ((last_usage Unknown))))))))
+      (((instr_desc
+         (MImmediate
+          ((immediate_desc (MImmConst (MConstI32 9)))
+           (immediate_analyses ((last_usage Unknown)))))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 1) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.b07cc734.0.snapshot b/compiler/test/__snapshots__/basic_functionality.b07cc734.0.snapshot
index 1990822d6..871e63ed4 100644
--- a/compiler/test/__snapshots__/basic_functionality.b07cc734.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.b07cc734.0.snapshot
@@ -1,113 +1,81 @@
 basic functionality › if_one_sided
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$print\" (global $print_1117 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$<\" (global $<_1114 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"print\" (func $print_1117 (param i32 i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"<\" (func $<_1114 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.8 (result i32)
-   (block $compile_store.2
-    (local.set $7
-     (call $<_1114
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $<_1114)
-      )
-      (i32.const 7)
-      (i32.const 9)
-     )
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (if (result i32)
-    (i32.shr_u
-     (local.get $7)
-     (i32.const 31)
-    )
-    (block $compile_block.6
-     (block $compile_store.5
-      (local.set $6
-       (block $allocate_adt.3 (result i32)
-        (i32.store
-         (local.tee $0
-          (call $malloc_0
-           (global.get $GRAIN$EXPORT$malloc_0)
-           (i32.const 20)
-          )
-         )
-         (i32.const 2)
-        )
-        (i32.store offset=4
-         (local.get $0)
-         (i32.const 501102191)
-        )
-        (i32.store offset=8
-         (local.get $0)
-         (i32.const 7)
-        )
-        (i32.store offset=12
-         (local.get $0)
-         (i32.const 3)
-        )
-        (i32.store offset=16
-         (local.get $0)
-         (i32.const 0)
-        )
-        (local.get $0)
-       )
-      )
-      (block $do_backpatches.4
-      )
-     )
-     (return_call $print_1117
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $print_1117)
-      )
-      (i32.const 11)
-      (local.get $6)
-     )
-    )
-    (block $compile_block.7 (result i32)
-     (i32.const 1879048190)
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name print))) (mimp_mod pervasives.gr) (mimp_name print)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name print))) (mimp_mod pervasives.gr) (mimp_name print)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((name <))) (mimp_mod pervasives.gr) (mimp_name <)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name <))) (mimp_mod pervasives.gr) (mimp_name <)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MCallKnown (func <_1114)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind <_1114 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+           (args
+            (((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 4)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MIf
+      ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+       (immediate_analyses ((last_usage Last))))
+      (((instr_desc
+         (MStore
+          (((MLocalBind 0 Managed)
+            ((instr_desc
+              (MAllocate
+               (MADT
+                ((immediate_desc (MImmConst (MConstI32 250551095)))
+                 (immediate_analyses ((last_usage Unknown))))
+                ((immediate_desc (MImmConst (MConstI32 3)))
+                 (immediate_analyses ((last_usage Unknown))))
+                ((immediate_desc (MImmConst (MConstI32 1)))
+                 (immediate_analyses ((last_usage Unknown))))
+                ())))))))))
+       ((instr_desc
+         (MReturnCallKnown (func print_1117)
+          (closure
+           ((immediate_desc
+             (MIncRef
+              ((immediate_desc
+                (MImmBinding (MGlobalBind print_1117 Managed)))
+               (immediate_analyses ((last_usage Last))))))
+            (immediate_analyses ((last_usage Unknown)))))
+          (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+          (args
+           (((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+             (immediate_analyses ((last_usage Last))))))))))
+      (((instr_desc
+         (MImmediate
+          ((immediate_desc
+            (MImmConst (MConstLiteral (MConstI32 1879048190))))
+           (immediate_analyses ((last_usage Unknown)))))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 1) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.b6a1b657.0.snapshot b/compiler/test/__snapshots__/basic_functionality.b6a1b657.0.snapshot
index 8bb888f3a..9d988a27c 100644
--- a/compiler/test/__snapshots__/basic_functionality.b6a1b657.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.b6a1b657.0.snapshot
@@ -1,48 +1,33 @@
 basic functionality › lxor4
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$^\" (global $^_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"^\" (func $^_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $^_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $^_1113)
-    )
-    (i32.const 1)
-    (i32.const 1)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name ^))) (mimp_mod pervasives.gr) (mimp_name ^)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name ^))) (mimp_mod pervasives.gr) (mimp_name ^)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func ^_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind ^_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 0)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 0)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.b836b89a.0.snapshot b/compiler/test/__snapshots__/basic_functionality.b836b89a.0.snapshot
index ffc3d6867..8607e552b 100644
--- a/compiler/test/__snapshots__/basic_functionality.b836b89a.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.b836b89a.0.snapshot
@@ -1,114 +1,95 @@
 basic functionality › complex1
-(module
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1127 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$-\" (global $-_1125 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$print\" (global $print_1120 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1127 (param i32 i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"-\" (func $-_1125 (param i32 i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"print\" (func $print_1120 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.6
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_adt.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 501102191)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (drop
-    (call $print_1120
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (global.get $print_1120)
-     )
-     (i32.const 7)
-     (local.get $6)
-    )
-   )
-   (block $compile_store.5
-    (local.set $7
-     (call $+_1127
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $+_1127)
-      )
-      (i32.const 9)
-      (i32.const 5)
-     )
-    )
-    (block $do_backpatches.4
-    )
-   )
-   (return_call $-_1125
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $-_1125)
-    )
-    (i32.const 7)
-    (local.get $7)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((name -))) (mimp_mod pervasives.gr) (mimp_name -)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name -))) (mimp_mod pervasives.gr) (mimp_name -)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((name print))) (mimp_mod pervasives.gr) (mimp_name print)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name print))) (mimp_mod pervasives.gr) (mimp_name print)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 250551095)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 3)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MCallKnown (func print_1120)
+         (closure
+          ((immediate_desc
+            (MIncRef
+             ((immediate_desc (MImmBinding (MGlobalBind print_1120 Managed)))
+              (immediate_analyses ((last_usage Last))))))
+           (immediate_analyses ((last_usage Unknown)))))
+         (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+         (args
+          (((immediate_desc (MImmConst (MConstI32 3)))
+            (immediate_analyses ((last_usage Unknown))))
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MCallKnown (func +_1127)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind +_1127 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) (Managed)))
+           (args
+            (((immediate_desc (MImmConst (MConstI32 4)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func -_1125)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind -_1125 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 3)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 2) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.bb137371.0.snapshot b/compiler/test/__snapshots__/basic_functionality.bb137371.0.snapshot
index f872336d9..a6789a5c0 100644
--- a/compiler/test/__snapshots__/basic_functionality.bb137371.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.bb137371.0.snapshot
@@ -1,85 +1,52 @@
 basic functionality › assignment1
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$/\" (global $/_1117 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"/\" (func $/_1117 (param i32 i32 i32) (result i32)))
- (global $t_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.6 (result i32)
-   (block $compile_store.2
-    (global.set $t_1113
-     (i32.const 5)
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (block $compile_store.4
-    (local.set $6
-     (call $/_1117
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $/_1117)
-      )
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $t_1113)
-      )
-      (i32.const 5)
-     )
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (block $compile_set.5 (result i32)
-    (global.set $t_1113
-     (tuple.extract 0
-      (tuple.make
-       (call $incRef_0
-        (global.get $GRAIN$EXPORT$incRef_0)
-        (local.get $6)
-       )
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (global.get $t_1113)
-       )
-      )
-     )
-    )
-    (i32.const 1879048190)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name /))) (mimp_mod pervasives.gr) (mimp_name /)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name /))) (mimp_mod pervasives.gr) (mimp_name /)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind t_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstI32 2)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MCallKnown (func /_1117)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind /_1117 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) (Managed)))
+           (args
+            (((immediate_desc
+               (MIncRef
+                ((immediate_desc (MImmBinding (MGlobalBind t_1113 Managed)))
+                 (immediate_analyses ((last_usage Unknown))))))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MSet (MGlobalBind t_1113 Managed)
+      ((instr_desc
+        (MImmediate
+         ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+          (immediate_analyses ((last_usage Last))))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name t)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.bd891a1f.0.snapshot b/compiler/test/__snapshots__/basic_functionality.bd891a1f.0.snapshot
index 72c8fd2a5..e9e1c1d02 100644
--- a/compiler/test/__snapshots__/basic_functionality.bd891a1f.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.bd891a1f.0.snapshot
@@ -1,35 +1,13 @@
 basic functionality › oct
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const 127)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstI32 63)))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.bef9449e.0.snapshot b/compiler/test/__snapshots__/basic_functionality.bef9449e.0.snapshot
index 29b7676c3..1dd0829db 100644
--- a/compiler/test/__snapshots__/basic_functionality.bef9449e.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.bef9449e.0.snapshot
@@ -1,67 +1,49 @@
 basic functionality › comp1
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$<\" (global $<_1114 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"<\" (func $<_1114 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.5 (result i32)
-   (block $compile_store.2
-    (local.set $6
-     (call $<_1114
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $<_1114)
-      )
-      (i32.const 5)
-      (i32.const 7)
-     )
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (if (result i32)
-    (i32.shr_u
-     (local.get $6)
-     (i32.const 31)
-    )
-    (block $compile_block.3 (result i32)
-     (i32.const -2)
-    )
-    (block $compile_block.4 (result i32)
-     (i32.const 2147483646)
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name <))) (mimp_mod pervasives.gr) (mimp_name <)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name <))) (mimp_mod pervasives.gr) (mimp_name <)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MCallKnown (func <_1114)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind <_1114 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+           (args
+            (((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MIf
+      ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+       (immediate_analyses ((last_usage Last))))
+      (((instr_desc
+         (MImmediate
+          ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+           (immediate_analyses ((last_usage Unknown))))))))
+      (((instr_desc
+         (MImmediate
+          ((immediate_desc
+            (MImmConst (MConstLiteral (MConstI32 2147483646))))
+           (immediate_analyses ((last_usage Unknown)))))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 1) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.c1554a92.0.snapshot b/compiler/test/__snapshots__/basic_functionality.c1554a92.0.snapshot
index 18a423f3b..8583c44da 100644
--- a/compiler/test/__snapshots__/basic_functionality.c1554a92.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.c1554a92.0.snapshot
@@ -1,35 +1,13 @@
 basic functionality › or2
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const -2)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.c2c74be4.0.snapshot b/compiler/test/__snapshots__/basic_functionality.c2c74be4.0.snapshot
index dea3ec445..3ee849c72 100644
--- a/compiler/test/__snapshots__/basic_functionality.c2c74be4.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.c2c74be4.0.snapshot
@@ -1,48 +1,33 @@
 basic functionality › lsr2
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$>>>\" (global $>>>_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \">>>\" (func $>>>_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $>>>_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $>>>_1113)
-    )
-    (i32.const 1)
-    (i32.const 3)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name >>>))) (mimp_mod pervasives.gr) (mimp_name >>>)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name >>>))) (mimp_mod pervasives.gr) (mimp_name >>>)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func >>>_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind >>>_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 0)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.c4090bb1.0.snapshot b/compiler/test/__snapshots__/basic_functionality.c4090bb1.0.snapshot
index 572ea64e7..f2ef9aaf9 100644
--- a/compiler/test/__snapshots__/basic_functionality.c4090bb1.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.c4090bb1.0.snapshot
@@ -1,307 +1,193 @@
 basic functionality › toplevel_statements
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1126 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$print\" (global $print_1120 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1126 (param i32 i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"print\" (func $print_1120 (param i32 i32 i32) (result i32)))
- (global $five_1117 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (block $compile_block.19 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_adt.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 501102191)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (drop
-    (call $print_1120
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (global.get $print_1120)
-     )
-     (i32.const 3)
-     (local.get $6)
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_adt.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 501102191)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (drop
-    (call $print_1120
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (global.get $print_1120)
-     )
-     (i32.const 5)
-     (local.get $7)
-    )
-   )
-   (block $compile_store.9
-    (local.set $8
-     (block $allocate_adt.7 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 501102191)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (drop
-    (call $print_1120
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (global.get $print_1120)
-     )
-     (i32.const 7)
-     (local.get $8)
-    )
-   )
-   (block $compile_store.11
-    (global.set $five_1117
-     (call $+_1126
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $+_1126)
-      )
-      (i32.const 5)
-      (i32.const 7)
-     )
-    )
-    (block $do_backpatches.10
-    )
-   )
-   (block $compile_store.14
-    (local.set $9
-     (block $allocate_adt.12 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 501102191)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.13
-    )
-   )
-   (drop
-    (call $print_1120
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (global.get $print_1120)
-     )
-     (i32.const 9)
-     (local.get $9)
-    )
-   )
-   (block $compile_store.17
-    (local.set $10
-     (block $allocate_adt.15 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 501102191)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.16
-    )
-   )
-   (drop
-    (call $print_1120
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (global.get $print_1120)
-     )
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (global.get $five_1117)
-     )
-     (local.get $10)
-    )
-   )
-   (block $allocate_string.18 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 16)
-      )
-     )
-     (i32.const 1)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 3)
-    )
-    (i64.store offset=8
-     (local.get $0)
-     (i64.const 7303014)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 382
-)
+((functions ())
+ (imports
+  (((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((name print))) (mimp_mod pervasives.gr) (mimp_name print)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name print))) (mimp_mod pervasives.gr) (mimp_name print)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 250551095)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 3)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MCallKnown (func print_1120)
+         (closure
+          ((immediate_desc
+            (MIncRef
+             ((immediate_desc (MImmBinding (MGlobalBind print_1120 Managed)))
+              (immediate_analyses ((last_usage Unknown))))))
+           (immediate_analyses ((last_usage Unknown)))))
+         (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+         (args
+          (((immediate_desc (MImmConst (MConstI32 1)))
+            (immediate_analyses ((last_usage Unknown))))
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 250551095)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 3)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MCallKnown (func print_1120)
+         (closure
+          ((immediate_desc
+            (MIncRef
+             ((immediate_desc (MImmBinding (MGlobalBind print_1120 Managed)))
+              (immediate_analyses ((last_usage Unknown))))))
+           (immediate_analyses ((last_usage Unknown)))))
+         (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+         (args
+          (((immediate_desc (MImmConst (MConstI32 2)))
+            (immediate_analyses ((last_usage Unknown))))
+           ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 250551095)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 3)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MCallKnown (func print_1120)
+         (closure
+          ((immediate_desc
+            (MIncRef
+             ((immediate_desc (MImmBinding (MGlobalBind print_1120 Managed)))
+              (immediate_analyses ((last_usage Unknown))))))
+           (immediate_analyses ((last_usage Unknown)))))
+         (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+         (args
+          (((immediate_desc (MImmConst (MConstI32 3)))
+            (immediate_analyses ((last_usage Unknown))))
+           ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MStore
+      (((MGlobalBind five_1117 Managed)
+        ((instr_desc
+          (MCallKnown (func +_1126)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind +_1126 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) (Managed)))
+           (args
+            (((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 250551095)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 3)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MCallKnown (func print_1120)
+         (closure
+          ((immediate_desc
+            (MIncRef
+             ((immediate_desc (MImmBinding (MGlobalBind print_1120 Managed)))
+              (immediate_analyses ((last_usage Unknown))))))
+           (immediate_analyses ((last_usage Unknown)))))
+         (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+         (args
+          (((immediate_desc (MImmConst (MConstI32 4)))
+            (immediate_analyses ((last_usage Unknown))))
+           ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 250551095)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 3)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MCallKnown (func print_1120)
+         (closure
+          ((immediate_desc
+            (MIncRef
+             ((immediate_desc (MImmBinding (MGlobalBind print_1120 Managed)))
+              (immediate_analyses ((last_usage Last))))))
+           (immediate_analyses ((last_usage Unknown)))))
+         (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+         (args
+          (((immediate_desc
+             (MIncRef
+              ((immediate_desc (MImmBinding (MGlobalBind five_1117 Managed)))
+               (immediate_analyses ((last_usage Last))))))
+            (immediate_analyses ((last_usage Unknown))))
+           ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc (MAllocate (MString foo))))))
+ (main_body_stack_size
+  ((stack_size_ptr 5) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name five)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.c49928a5.0.snapshot b/compiler/test/__snapshots__/basic_functionality.c49928a5.0.snapshot
index 474d01aa2..d343ea96f 100644
--- a/compiler/test/__snapshots__/basic_functionality.c49928a5.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.c49928a5.0.snapshot
@@ -1,48 +1,33 @@
 basic functionality › lsr1
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$>>>\" (global $>>>_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \">>>\" (func $>>>_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $>>>_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $>>>_1113)
-    )
-    (i32.const 15)
-    (i32.const 3)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name >>>))) (mimp_mod pervasives.gr) (mimp_name >>>)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name >>>))) (mimp_mod pervasives.gr) (mimp_name >>>)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func >>>_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind >>>_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 7)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.c55feb83.0.snapshot b/compiler/test/__snapshots__/basic_functionality.c55feb83.0.snapshot
index 8446a1ca8..e88e1c8ee 100644
--- a/compiler/test/__snapshots__/basic_functionality.c55feb83.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.c55feb83.0.snapshot
@@ -1,48 +1,34 @@
 basic functionality › comp14
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$==\" (global $==_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"==\" (func $==_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $==_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $==_1113)
-    )
-    (i32.const -2)
-    (i32.const 2147483646)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name ==))) (mimp_mod pervasives.gr) (mimp_name ==)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name ==))) (mimp_mod pervasives.gr) (mimp_name ==)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func ==_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind ==_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type
+       (((Unmanaged WasmI32) (Unmanaged WasmI32)) ((Unmanaged WasmI32))))
+      (args
+       (((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstLiteral (MConstI32 2147483646))))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.c8095f7c.0.snapshot b/compiler/test/__snapshots__/basic_functionality.c8095f7c.0.snapshot
index 35dfd430d..730a8b273 100644
--- a/compiler/test/__snapshots__/basic_functionality.c8095f7c.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.c8095f7c.0.snapshot
@@ -1,46 +1,30 @@
 basic functionality › incr_1
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$incr\" (global $incr_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"incr\" (func $incr_1113 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $incr_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $incr_1113)
-    )
-    (i32.const 5)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name incr))) (mimp_mod pervasives.gr) (mimp_name incr)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32)) ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name incr))) (mimp_mod pervasives.gr) (mimp_name incr)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func incr_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind incr_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 2)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.c8144b17.0.snapshot b/compiler/test/__snapshots__/basic_functionality.c8144b17.0.snapshot
index fdceacd95..454dad58b 100644
--- a/compiler/test/__snapshots__/basic_functionality.c8144b17.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.c8144b17.0.snapshot
@@ -1,35 +1,13 @@
 basic functionality › bin
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const 21)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstI32 10)))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.cb9c6c66.0.snapshot b/compiler/test/__snapshots__/basic_functionality.cb9c6c66.0.snapshot
index 0c6a4249b..aa6eca1c8 100644
--- a/compiler/test/__snapshots__/basic_functionality.cb9c6c66.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.cb9c6c66.0.snapshot
@@ -1,46 +1,30 @@
 basic functionality › incr_2
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$incr\" (global $incr_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"incr\" (func $incr_1113 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $incr_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $incr_1113)
-    )
-    (i32.const 11)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name incr))) (mimp_mod pervasives.gr) (mimp_name incr)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32)) ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name incr))) (mimp_mod pervasives.gr) (mimp_name incr)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func incr_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind incr_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 5)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.cdeddcd2.0.snapshot b/compiler/test/__snapshots__/basic_functionality.cdeddcd2.0.snapshot
index bd5e3ee2f..b4b96521e 100644
--- a/compiler/test/__snapshots__/basic_functionality.cdeddcd2.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.cdeddcd2.0.snapshot
@@ -1,48 +1,33 @@
 basic functionality › modulo3
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$%\" (global $%_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"%\" (func $%_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $%_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $%_1113)
-    )
-    (i32.const -33)
-    (i32.const -7)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name %))) (mimp_mod pervasives.gr) (mimp_name %)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name %))) (mimp_mod pervasives.gr) (mimp_name %)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func %_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind %_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 -17)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 -4)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.cefeb364.0.snapshot b/compiler/test/__snapshots__/basic_functionality.cefeb364.0.snapshot
index 46a2039c3..5abcea6ad 100644
--- a/compiler/test/__snapshots__/basic_functionality.cefeb364.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.cefeb364.0.snapshot
@@ -1,48 +1,33 @@
 basic functionality › lor4
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$|\" (global $|_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"|\" (func $|_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $|_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $|_1113)
-    )
-    (i32.const 1)
-    (i32.const 1)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name |))) (mimp_mod pervasives.gr) (mimp_name |)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name |))) (mimp_mod pervasives.gr) (mimp_name |)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func |_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind |_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 0)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 0)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.d0c0c62b.0.snapshot b/compiler/test/__snapshots__/basic_functionality.d0c0c62b.0.snapshot
index 4df627fd2..653666ee3 100644
--- a/compiler/test/__snapshots__/basic_functionality.d0c0c62b.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.d0c0c62b.0.snapshot
@@ -1,48 +1,33 @@
 basic functionality › int64_pun_1
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$*\" (global $*_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"*\" (func $*_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $*_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $*_1113)
-    )
-    (i32.const 19999999)
-    (i32.const 199999999)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name *))) (mimp_mod pervasives.gr) (mimp_name *)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name *))) (mimp_mod pervasives.gr) (mimp_name *)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func *_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind *_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 9999999)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 99999999)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.d0cb4f44.0.snapshot b/compiler/test/__snapshots__/basic_functionality.d0cb4f44.0.snapshot
index 907cb6ea2..0fa348122 100644
--- a/compiler/test/__snapshots__/basic_functionality.d0cb4f44.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.d0cb4f44.0.snapshot
@@ -1,46 +1,30 @@
 basic functionality › decr_1
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$decr\" (global $decr_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"decr\" (func $decr_1113 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $decr_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $decr_1113)
-    )
-    (i32.const 5)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name decr))) (mimp_mod pervasives.gr) (mimp_name decr)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32)) ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name decr))) (mimp_mod pervasives.gr) (mimp_name decr)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func decr_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind decr_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 2)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.d124f931.0.snapshot b/compiler/test/__snapshots__/basic_functionality.d124f931.0.snapshot
index 032be440d..03b2f51df 100644
--- a/compiler/test/__snapshots__/basic_functionality.d124f931.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.d124f931.0.snapshot
@@ -1,35 +1,13 @@
 basic functionality › nil
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const 1879048190)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstLiteral (MConstI32 1879048190))))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.d6ca4146.0.snapshot b/compiler/test/__snapshots__/basic_functionality.d6ca4146.0.snapshot
index 41e3667f2..91f0814b6 100644
--- a/compiler/test/__snapshots__/basic_functionality.d6ca4146.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.d6ca4146.0.snapshot
@@ -1,88 +1,52 @@
 basic functionality › andshort1
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$print\" (global $print_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"print\" (func $print_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.4 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_adt.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 501102191)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (drop
-    (call $print_1113
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (global.get $print_1113)
-     )
-     (i32.const 3)
-     (local.get $6)
-    )
-   )
-   (i32.const 2147483646)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name print))) (mimp_mod pervasives.gr) (mimp_name print)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name print))) (mimp_mod pervasives.gr) (mimp_name print)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 250551095)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 3)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MCallKnown (func print_1113)
+         (closure
+          ((immediate_desc
+            (MIncRef
+             ((immediate_desc (MImmBinding (MGlobalBind print_1113 Managed)))
+              (immediate_analyses ((last_usage Last))))))
+           (immediate_analyses ((last_usage Unknown)))))
+         (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+         (args
+          (((immediate_desc (MImmConst (MConstI32 1)))
+            (immediate_analyses ((last_usage Unknown))))
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstLiteral (MConstI32 2147483646))))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.d8a7dcf9.0.snapshot b/compiler/test/__snapshots__/basic_functionality.d8a7dcf9.0.snapshot
index 071a69798..368a8f31a 100644
--- a/compiler/test/__snapshots__/basic_functionality.d8a7dcf9.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.d8a7dcf9.0.snapshot
@@ -1,48 +1,33 @@
 basic functionality › modulo1
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$%\" (global $%_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"%\" (func $%_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $%_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $%_1113)
-    )
-    (i32.const -33)
-    (i32.const 9)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name %))) (mimp_mod pervasives.gr) (mimp_name %)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name %))) (mimp_mod pervasives.gr) (mimp_name %)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func %_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind %_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 -17)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 4)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.d8f6f027.0.snapshot b/compiler/test/__snapshots__/basic_functionality.d8f6f027.0.snapshot
index d7a97c55f..20b2f6782 100644
--- a/compiler/test/__snapshots__/basic_functionality.d8f6f027.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.d8f6f027.0.snapshot
@@ -1,57 +1,9 @@
 basic functionality › hex_dec_exp1
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_number.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 16)
-      )
-     )
-     (i32.const 5)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 1)
-    )
-    (f64.store offset=8
-     (local.get $0)
-     (f64.const 32)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body (((instr_desc (MAllocate (MFloat64 4629700416936869888))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.d9fc01df.0.snapshot b/compiler/test/__snapshots__/basic_functionality.d9fc01df.0.snapshot
index a15bdbbe7..bbd1afde6 100644
--- a/compiler/test/__snapshots__/basic_functionality.d9fc01df.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.d9fc01df.0.snapshot
@@ -1,48 +1,33 @@
 basic functionality › land3
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$&\" (global $&_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"&\" (func $&_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $&_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $&_1113)
-    )
-    (i32.const 1)
-    (i32.const 3)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name &))) (mimp_mod pervasives.gr) (mimp_name &)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name &))) (mimp_mod pervasives.gr) (mimp_name &)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func &_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind &_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 0)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.dbf5d3ff.0.snapshot b/compiler/test/__snapshots__/basic_functionality.dbf5d3ff.0.snapshot
index 935e4d858..1bd882aaf 100644
--- a/compiler/test/__snapshots__/basic_functionality.dbf5d3ff.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.dbf5d3ff.0.snapshot
@@ -1,48 +1,33 @@
 basic functionality › comp18
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$isnt\" (global $isnt_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"isnt\" (func $isnt_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $isnt_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $isnt_1113)
-    )
-    (i32.const 9)
-    (i32.const 3)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name isnt))) (mimp_mod pervasives.gr) (mimp_name isnt)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name isnt))) (mimp_mod pervasives.gr) (mimp_name isnt)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func isnt_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind isnt_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 4)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.df4cd2bf.0.snapshot b/compiler/test/__snapshots__/basic_functionality.df4cd2bf.0.snapshot
index a35d8162c..47afb004c 100644
--- a/compiler/test/__snapshots__/basic_functionality.df4cd2bf.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.df4cd2bf.0.snapshot
@@ -1,48 +1,34 @@
 basic functionality › comp15
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$==\" (global $==_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"==\" (func $==_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $==_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $==_1113)
-    )
-    (i32.const 2147483646)
-    (i32.const -2)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name ==))) (mimp_mod pervasives.gr) (mimp_name ==)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name ==))) (mimp_mod pervasives.gr) (mimp_name ==)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func ==_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind ==_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type
+       (((Unmanaged WasmI32) (Unmanaged WasmI32)) ((Unmanaged WasmI32))))
+      (args
+       (((immediate_desc (MImmConst (MConstLiteral (MConstI32 2147483646))))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.e2902464.0.snapshot b/compiler/test/__snapshots__/basic_functionality.e2902464.0.snapshot
index 967fe61f2..ff77cef93 100644
--- a/compiler/test/__snapshots__/basic_functionality.e2902464.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.e2902464.0.snapshot
@@ -1,65 +1,58 @@
 basic functionality › comp10
-(module
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$-\" (global $-_1119 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$==\" (global $==_1117 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"-\" (func $-_1119 (param i32 i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"==\" (func $==_1117 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.3
-   (block $compile_store.2
-    (local.set $6
-     (call $-_1119
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $-_1119)
-      )
-      (i32.const 9)
-      (i32.const 5)
-     )
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (return_call $==_1117
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $==_1117)
-    )
-    (local.get $6)
-    (i32.const 5)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name -))) (mimp_mod pervasives.gr) (mimp_name -)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name -))) (mimp_mod pervasives.gr) (mimp_name -)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((name ==))) (mimp_mod pervasives.gr) (mimp_name ==)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name ==))) (mimp_mod pervasives.gr) (mimp_name ==)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MCallKnown (func -_1119)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind -_1119 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) (Managed)))
+           (args
+            (((immediate_desc (MImmConst (MConstI32 4)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func ==_1117)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind ==_1117 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+         (immediate_analyses ((last_usage Last))))
+        ((immediate_desc (MImmConst (MConstI32 2)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.e3995c7d.0.snapshot b/compiler/test/__snapshots__/basic_functionality.e3995c7d.0.snapshot
index 3c5f19327..fa2017075 100644
--- a/compiler/test/__snapshots__/basic_functionality.e3995c7d.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.e3995c7d.0.snapshot
@@ -1,96 +1,64 @@
 basic functionality › if_one_sided4
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$<\" (global $<_1116 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"<\" (func $<_1116 (param i32 i32 i32) (result i32)))
- (global $x_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.8 (result i32)
-   (block $compile_store.2
-    (global.set $x_1113
-     (i32.const 3)
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (block $compile_store.4
-    (local.set $6
-     (call $<_1116
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $<_1116)
-      )
-      (i32.const 7)
-      (i32.const 9)
-     )
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (drop
-    (if (result i32)
-     (i32.shr_u
-      (local.get $6)
-      (i32.const 31)
-     )
-     (block $compile_block.6 (result i32)
-      (block $compile_set.5 (result i32)
-       (global.set $x_1113
-        (tuple.extract 0
-         (tuple.make
-          (call $incRef_0
-           (global.get $GRAIN$EXPORT$incRef_0)
-           (i32.const 5)
-          )
-          (call $decRef_0
-           (global.get $GRAIN$EXPORT$decRef_0)
-           (global.get $x_1113)
-          )
-         )
-        )
-       )
-       (i32.const 1879048190)
-      )
-     )
-     (block $compile_block.7 (result i32)
-      (i32.const 1879048190)
-     )
-    )
-   )
-   (global.get $x_1113)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name <))) (mimp_mod pervasives.gr) (mimp_name <)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name <))) (mimp_mod pervasives.gr) (mimp_name <)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind x_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstI32 1)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MCallKnown (func <_1116)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind <_1116 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+           (args
+            (((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 4)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MIf
+         ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+          (immediate_analyses ((last_usage Last))))
+         (((instr_desc
+            (MSet (MGlobalBind x_1113 Managed)
+             ((instr_desc
+               (MImmediate
+                ((immediate_desc (MImmConst (MConstI32 2)))
+                 (immediate_analyses ((last_usage Unknown)))))))))))
+         (((instr_desc
+            (MImmediate
+             ((immediate_desc
+               (MImmConst (MConstLiteral (MConstI32 1879048190))))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmBinding (MGlobalBind x_1113 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 1) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name x)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.e56cd2a2.0.snapshot b/compiler/test/__snapshots__/basic_functionality.e56cd2a2.0.snapshot
index 2e596f97f..0ab708089 100644
--- a/compiler/test/__snapshots__/basic_functionality.e56cd2a2.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.e56cd2a2.0.snapshot
@@ -1,67 +1,48 @@
 basic functionality › comp6
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$==\" (global $==_1114 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"==\" (func $==_1114 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.5 (result i32)
-   (block $compile_store.2
-    (local.set $6
-     (call $==_1114
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $==_1114)
-      )
-      (i32.const 5)
-      (i32.const 7)
-     )
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (if (result i32)
-    (i32.shr_u
-     (local.get $6)
-     (i32.const 31)
-    )
-    (block $compile_block.3 (result i32)
-     (i32.const 17)
-    )
-    (block $compile_block.4 (result i32)
-     (i32.const 19)
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name ==))) (mimp_mod pervasives.gr) (mimp_name ==)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name ==))) (mimp_mod pervasives.gr) (mimp_name ==)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MCallKnown (func ==_1114)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind ==_1114 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+           (args
+            (((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MIf
+      ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+       (immediate_analyses ((last_usage Last))))
+      (((instr_desc
+         (MImmediate
+          ((immediate_desc (MImmConst (MConstI32 8)))
+           (immediate_analyses ((last_usage Unknown))))))))
+      (((instr_desc
+         (MImmediate
+          ((immediate_desc (MImmConst (MConstI32 9)))
+           (immediate_analyses ((last_usage Unknown)))))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 1) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.e58c3266.0.snapshot b/compiler/test/__snapshots__/basic_functionality.e58c3266.0.snapshot
index c5d698b87..3f355b55c 100644
--- a/compiler/test/__snapshots__/basic_functionality.e58c3266.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.e58c3266.0.snapshot
@@ -1,48 +1,33 @@
 basic functionality › asr2
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$>>\" (global $>>_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \">>\" (func $>>_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $>>_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $>>_1113)
-    )
-    (i32.const 1)
-    (i32.const 3)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name >>))) (mimp_mod pervasives.gr) (mimp_name >>)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name >>))) (mimp_mod pervasives.gr) (mimp_name >>)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func >>_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind >>_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 0)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.e6ea6b06.0.snapshot b/compiler/test/__snapshots__/basic_functionality.e6ea6b06.0.snapshot
index 54e8fca91..f9fd91c21 100644
--- a/compiler/test/__snapshots__/basic_functionality.e6ea6b06.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.e6ea6b06.0.snapshot
@@ -1,53 +1,9 @@
 basic functionality › int32_1
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_int32.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 8)
-      )
-     )
-     (i32.const 9)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 42)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body (((instr_desc (MAllocate (MInt32 42))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.e811c1e1.0.snapshot b/compiler/test/__snapshots__/basic_functionality.e811c1e1.0.snapshot
index 92723cfb8..ca9b39d59 100644
--- a/compiler/test/__snapshots__/basic_functionality.e811c1e1.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.e811c1e1.0.snapshot
@@ -1,48 +1,33 @@
 basic functionality › binop2.1
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$-\" (global $-_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"-\" (func $-_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $-_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $-_1113)
-    )
-    (i32.const 5)
-    (i32.const 5)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name -))) (mimp_mod pervasives.gr) (mimp_name -)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name -))) (mimp_mod pervasives.gr) (mimp_name -)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func -_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind -_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 2)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 2)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.ee7c0ebc.0.snapshot b/compiler/test/__snapshots__/basic_functionality.ee7c0ebc.0.snapshot
index 5475bd103..63fe01a69 100644
--- a/compiler/test/__snapshots__/basic_functionality.ee7c0ebc.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.ee7c0ebc.0.snapshot
@@ -1,48 +1,33 @@
 basic functionality › modulo2
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$%\" (global $%_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"%\" (func $%_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $%_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $%_1113)
-    )
-    (i32.const 35)
-    (i32.const -7)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name %))) (mimp_mod pervasives.gr) (mimp_name %)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name %))) (mimp_mod pervasives.gr) (mimp_name %)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func %_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind %_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 17)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 -4)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.f132ca8b.0.snapshot b/compiler/test/__snapshots__/basic_functionality.f132ca8b.0.snapshot
index 40b0c7922..017a6cdfd 100644
--- a/compiler/test/__snapshots__/basic_functionality.f132ca8b.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.f132ca8b.0.snapshot
@@ -1,46 +1,30 @@
 basic functionality › decr_2
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$decr\" (global $decr_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"decr\" (func $decr_1113 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $decr_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $decr_1113)
-    )
-    (i32.const 11)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name decr))) (mimp_mod pervasives.gr) (mimp_name decr)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32)) ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name decr))) (mimp_mod pervasives.gr) (mimp_name decr)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func decr_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind decr_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 5)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.f47797ca.0.snapshot b/compiler/test/__snapshots__/basic_functionality.f47797ca.0.snapshot
index f4ce8713e..670548bbb 100644
--- a/compiler/test/__snapshots__/basic_functionality.f47797ca.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.f47797ca.0.snapshot
@@ -1,57 +1,9 @@
 basic functionality › hex_dec_exp5
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_number.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 16)
-      )
-     )
-     (i32.const 5)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 1)
-    )
-    (f64.store offset=8
-     (local.get $0)
-     (f64.const 840)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body (((instr_desc (MAllocate (MFloat64 4650599933957636096))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.f58be537.0.snapshot b/compiler/test/__snapshots__/basic_functionality.f58be537.0.snapshot
index 0d283a38d..53f7326bf 100644
--- a/compiler/test/__snapshots__/basic_functionality.f58be537.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.f58be537.0.snapshot
@@ -1,310 +1,111 @@
 basic functionality › comp19
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (block $compile_block.20 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_adt.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_adt.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 5)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $6)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.9
-    (local.set $8
-     (block $allocate_adt.7 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $7)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $compile_store.12
-    (local.set $9
-     (block $allocate_adt.10 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.11
-    )
-   )
-   (block $compile_store.15
-    (local.set $10
-     (block $allocate_adt.13 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 5)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $9)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.14
-    )
-   )
-   (block $compile_store.18
-    (local.set $11
-     (block $allocate_adt.16 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $10)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.17
-    )
-   )
-   (tuple.extract 0
-    (tuple.make
-     (i32.or
-      (i32.shl
-       (i32.eq
-        (local.get $8)
-        (local.get $11)
-       )
-       (i32.const 31)
-      )
-      (i32.const 2147483646)
-     )
-     (block $cleanup.19 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $8)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $11)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 5 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MCleanup
+      (((instr_desc
+         (MPrim2 Is
+          ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+           (immediate_analyses ((last_usage Last))))
+          ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+           (immediate_analyses ((last_usage Last))))))))
+      (((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 6) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.f90a3baa.0.snapshot b/compiler/test/__snapshots__/basic_functionality.f90a3baa.0.snapshot
index 16c4487ae..09d635aff 100644
--- a/compiler/test/__snapshots__/basic_functionality.f90a3baa.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.f90a3baa.0.snapshot
@@ -1,57 +1,9 @@
 basic functionality › heap_number_i32_wrapper_max
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_number.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 16)
-      )
-     )
-     (i32.const 5)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 2)
-    )
-    (i64.store offset=8
-     (local.get $0)
-     (i64.const 2147483647)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body (((instr_desc (MAllocate (MInt64 2147483647))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.f9743171.0.snapshot b/compiler/test/__snapshots__/basic_functionality.f9743171.0.snapshot
index e5af6f203..997ce6d1d 100644
--- a/compiler/test/__snapshots__/basic_functionality.f9743171.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.f9743171.0.snapshot
@@ -1,57 +1,9 @@
 basic functionality › heap_number_i32_wrapper
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_number.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 16)
-      )
-     )
-     (i32.const 5)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 2)
-    )
-    (i64.store offset=8
-     (local.get $0)
-     (i64.const 1073741824)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body (((instr_desc (MAllocate (MInt64 1073741824))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.fd64a58f.0.snapshot b/compiler/test/__snapshots__/basic_functionality.fd64a58f.0.snapshot
index 947273f86..efe331610 100644
--- a/compiler/test/__snapshots__/basic_functionality.fd64a58f.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.fd64a58f.0.snapshot
@@ -1,48 +1,33 @@
 basic functionality › int64_pun_2
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$-\" (global $-_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"-\" (func $-_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $-_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $-_1113)
-    )
-    (i32.const -199999997)
-    (i32.const 1999999999)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name -))) (mimp_mod pervasives.gr) (mimp_name -)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name -))) (mimp_mod pervasives.gr) (mimp_name -)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func -_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind -_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 -99999999)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 999999999)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.fe19cffe.0.snapshot b/compiler/test/__snapshots__/basic_functionality.fe19cffe.0.snapshot
index 84e0ed027..a9ac09db2 100644
--- a/compiler/test/__snapshots__/basic_functionality.fe19cffe.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.fe19cffe.0.snapshot
@@ -1,69 +1,12 @@
 basic functionality › bigint_2
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_number.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 32)
-      )
-     )
-     (i32.const 5)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 4)
-    )
-    (i32.store offset=8
-     (local.get $0)
-     (i32.const 2)
-    )
-    (i32.store offset=12
-     (local.get $0)
-     (i32.const 0)
-    )
-    (i64.store offset=16
-     (local.get $0)
-     (i64.const -7851998425750883293)
-    )
-    (i64.store offset=24
-     (local.get $0)
-     (i64.const 1164749010670168)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MAllocate
+      (MBigInt (flags ()) (limbs (-7851998425750883293 1164749010670168))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/basic_functionality.fe88cb04.0.snapshot b/compiler/test/__snapshots__/basic_functionality.fe88cb04.0.snapshot
index dfeb70294..5f5af3690 100644
--- a/compiler/test/__snapshots__/basic_functionality.fe88cb04.0.snapshot
+++ b/compiler/test/__snapshots__/basic_functionality.fe88cb04.0.snapshot
@@ -1,443 +1,225 @@
 basic functionality › func_shadow_and_indirect_call
-(module
- (type $i32_=>_i32 (func (param i32) (result i32)))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$print\" (global $print_1121 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"print\" (func $print_1121 (param i32 i32 i32) (result i32)))
- (global $foo_1119 (mut i32) (i32.const 0))
- (global $foo_1117 (mut i32) (i32.const 0))
- (global $foo_1115 (mut i32) (i32.const 0))
- (global $foo_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 1))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0) $func_1133)
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $foo_1113 (param $0 i32) (result i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i32)
-  (local $4 i64)
-  (local $5 f32)
-  (local $6 f64)
-  (block $compile_block.3 (result i32)
-   (tuple.extract 0
-    (tuple.make
-     (block $allocate_string.2 (result i32)
-      (i32.store
-       (local.tee $1
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $1)
-       (i32.const 3)
-      )
-      (i64.store offset=8
-       (local.get $1)
-       (i64.const 7496034)
-      )
-      (local.get $1)
-     )
-     (block $cleanup.1 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $0)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $foo_1115 (param $0 i32) (result i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i32)
-  (local $4 i64)
-  (local $5 f32)
-  (local $6 f64)
-  (block $compile_block.6 (result i32)
-   (tuple.extract 0
-    (tuple.make
-     (block $allocate_string.5 (result i32)
-      (i32.store
-       (local.tee $1
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $1)
-       (i32.const 3)
-      )
-      (i64.store offset=8
-       (local.get $1)
-       (i64.const 8020322)
-      )
-      (local.get $1)
-     )
-     (block $cleanup.4 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $0)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $foo_1117 (param $0 i32) (result i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i32)
-  (local $4 i64)
-  (local $5 f32)
-  (local $6 f64)
-  (block $compile_block.9 (result i32)
-   (tuple.extract 0
-    (tuple.make
-     (block $allocate_closure.8 (result i32)
-      (i32.store
-       (local.tee $1
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 6)
-      )
-      (i32.store offset=4
-       (local.get $1)
-       (i32.const 1)
-      )
-      (i32.store offset=8
-       (local.get $1)
-       (i32.add
-        (global.get $relocBase_0)
-        (i32.const 0)
-       )
-      )
-      (i32.store offset=12
-       (local.get $1)
-       (i32.const 0)
-      )
-      (local.get $1)
-     )
-     (block $cleanup.7 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $0)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $func_1133 (param $0 i32) (result i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i32)
-  (local $4 i64)
-  (local $5 f32)
-  (local $6 f64)
-  (block $closure_elements.16 (result i32)
-   (block $compile_block.15 (result i32)
-    (tuple.extract 0
-     (tuple.make
-      (block $allocate_string.14 (result i32)
-       (i32.store
-        (local.tee $1
-         (call $malloc_0
-          (global.get $GRAIN$EXPORT$malloc_0)
-          (i32.const 16)
-         )
-        )
-        (i32.const 1)
-       )
-       (i32.store offset=4
-        (local.get $1)
-        (i32.const 3)
-       )
-       (i64.store offset=8
-        (local.get $1)
-        (i64.const 7894385)
-       )
-       (local.get $1)
-      )
-      (block $cleanup.13 (result i32)
-       (drop
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $0)
-        )
-       )
-       (i32.const 1879048190)
-      )
-     )
-    )
-   )
-  )
- )
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (block $compile_block.41
-   (block $compile_store.18
-    (global.set $foo_1113
-     (i32.const 0)
-    )
-    (block $do_backpatches.17
-    )
-   )
-   (block $compile_store.21
-    (local.set $6
-     (block $allocate_adt.19 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 501102191)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.20
-    )
-   )
-   (block $compile_store.23
-    (local.set $7
-     (call $foo_1113
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $foo_1113)
-      )
-     )
-    )
-    (block $do_backpatches.22
-    )
-   )
-   (drop
-    (call $print_1121
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (global.get $print_1121)
-     )
-     (local.get $7)
-     (local.get $6)
-    )
-   )
-   (block $compile_store.25
-    (global.set $foo_1115
-     (i32.const 0)
-    )
-    (block $do_backpatches.24
-    )
-   )
-   (block $compile_store.28
-    (local.set $8
-     (block $allocate_adt.26 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 501102191)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.27
-    )
-   )
-   (block $compile_store.30
-    (local.set $9
-     (call $foo_1115
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $foo_1115)
-      )
-     )
-    )
-    (block $do_backpatches.29
-    )
-   )
-   (drop
-    (call $print_1121
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (global.get $print_1121)
-     )
-     (local.get $9)
-     (local.get $8)
-    )
-   )
-   (block $compile_store.32
-    (global.set $foo_1117
-     (i32.const 0)
-    )
-    (block $do_backpatches.31
-    )
-   )
-   (block $compile_store.34
-    (global.set $foo_1119
-     (call $foo_1117
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $foo_1117)
-      )
-     )
-    )
-    (block $do_backpatches.33
-    )
-   )
-   (block $compile_store.37
-    (local.set $10
-     (block $allocate_adt.35 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 501102191)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.36
-    )
-   )
-   (block $compile_store.40
-    (local.set $11
-     (block $call_lambda.38 (result i32)
-      (local.set $0
-       (call $incRef_0
-        (global.get $GRAIN$EXPORT$incRef_0)
-        (global.get $foo_1119)
-       )
-      )
-      (call_indirect (type $i32_=>_i32)
-       (local.get $0)
-       (i32.load offset=8
-        (local.get $0)
-       )
-      )
-     )
-    )
-    (block $do_backpatches.39
-    )
-   )
-   (return_call $print_1121
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $print_1121)
-    )
-    (local.get $11)
-    (local.get $10)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 385
-)
+((functions
+  (((id ((name foo))) (name (foo)) (args (Managed)) (return_type (Managed))
+    (closure ())
+    (body
+     (((instr_desc
+        (MCleanup (((instr_desc (MAllocate (MString bar)))))
+         (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))))
+    (stack_size
+     ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+      (stack_size_f32 0) (stack_size_f64 0)))
+    (attrs ()))
+   ((id ((name foo))) (name (foo)) (args (Managed)) (return_type (Managed))
+    (closure ())
+    (body
+     (((instr_desc
+        (MCleanup (((instr_desc (MAllocate (MString baz)))))
+         (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))))
+    (stack_size
+     ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+      (stack_size_f32 0) (stack_size_f64 0)))
+    (attrs ()))
+   ((id ((name foo))) (name (foo)) (args (Managed)) (return_type (Managed))
+    (closure ())
+    (body
+     (((instr_desc
+        (MCleanup
+         (((instr_desc
+            (MAllocate
+             (MClosure
+              ((func_idx (0)) (global_offset function_table_global_1130)
+               (arity 1) (variables ())))))))
+         (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))))
+    (stack_size
+     ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+      (stack_size_f32 0) (stack_size_f64 0)))
+    (attrs ()))
+   ((id ((name func))) (name ()) (args (Managed)) (return_type (Managed))
+    (closure (0))
+    (body
+     (((instr_desc
+        (MCleanup (((instr_desc (MAllocate (MString qux)))))
+         (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))))
+    (stack_size
+     ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+      (stack_size_f32 0) (stack_size_f64 0)))
+    (attrs ()))))
+ (imports
+  (((mimp_id ((name print))) (mimp_mod pervasives.gr) (mimp_name print)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name print))) (mimp_mod pervasives.gr) (mimp_name print)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind foo_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 250551095)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 3)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MCallKnown (func foo_1113)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind foo_1113 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type (() (Managed))) (args ())))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MCallKnown (func print_1121)
+         (closure
+          ((immediate_desc
+            (MIncRef
+             ((immediate_desc (MImmBinding (MGlobalBind print_1121 Managed)))
+              (immediate_analyses ((last_usage Unknown))))))
+           (immediate_analyses ((last_usage Unknown)))))
+         (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+         (args
+          (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+            (immediate_analyses ((last_usage Last))))
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MStore
+      (((MGlobalBind foo_1115 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 250551095)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 3)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MCallKnown (func foo_1115)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind foo_1115 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type (() (Managed))) (args ())))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MCallKnown (func print_1121)
+         (closure
+          ((immediate_desc
+            (MIncRef
+             ((immediate_desc (MImmBinding (MGlobalBind print_1121 Managed)))
+              (immediate_analyses ((last_usage Unknown))))))
+           (immediate_analyses ((last_usage Unknown)))))
+         (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+         (args
+          (((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+            (immediate_analyses ((last_usage Last))))
+           ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MStore
+      (((MGlobalBind foo_1117 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MGlobalBind foo_1119 Managed)
+        ((instr_desc
+          (MCallKnown (func foo_1117)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind foo_1117 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type (() (Managed))) (args ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 250551095)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 3)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 5 Managed)
+        ((instr_desc
+          (MCallIndirect
+           (func
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind foo_1119 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type (() (Managed))) (args ())))))))))
+   ((instr_desc
+     (MReturnCallKnown (func print_1121)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind print_1121 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+         (immediate_analyses ((last_usage Last))))
+        ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 6) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals
+  ((((name foo)) true Managed ()) (((name foo)) true Managed ())
+   (((name foo)) true Managed ()) (((name foo)) true Managed ())))
+ (function_table_elements (func_1134))
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/boxes.08fca3f7.0.snapshot b/compiler/test/__snapshots__/boxes.08fca3f7.0.snapshot
index 28c3e5a3a..2239eba11 100644
--- a/compiler/test/__snapshots__/boxes.08fca3f7.0.snapshot
+++ b/compiler/test/__snapshots__/boxes.08fca3f7.0.snapshot
@@ -1,116 +1,58 @@
 boxes › box_subtraction1
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$-\" (global $-_1117 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"-\" (func $-_1117 (param i32 i32 i32) (result i32)))
- (global $b_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.9 (result i32)
-   (block $compile_store.3
-    (global.set $b_1113
-     (block $allocate_tuple.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 12)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 9)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.5
-    (local.set $6
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (global.get $b_1113)
-      )
-     )
-    )
-    (block $do_backpatches.4
-    )
-   )
-   (block $compile_store.7
-    (local.set $7
-     (call $-_1117
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $-_1117)
-      )
-      (local.get $6)
-      (i32.const 39)
-     )
-    )
-    (block $do_backpatches.6
-    )
-   )
-   (block $MTupleSet.8 (result i32)
-    (i32.store offset=8
-     (global.get $b_1113)
-     (tuple.extract 0
-      (tuple.make
-       (local.get $7)
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (i32.load offset=8
-         (global.get $b_1113)
-        )
-       )
-      )
-     )
-    )
-    (i32.const 1879048190)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name -))) (mimp_mod pervasives.gr) (mimp_name -)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name -))) (mimp_mod pervasives.gr) (mimp_name -)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind b_1113 Managed)
+        ((instr_desc
+          (MAllocate
+           (MBox
+            ((immediate_desc (MImmConst (MConstI32 4)))
+             (immediate_analyses ((last_usage Unknown)))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MBoxOp MBoxUnbox
+           ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MCallKnown (func -_1117)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind -_1117 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) (Managed)))
+           (args
+            (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))
+             ((immediate_desc (MImmConst (MConstI32 19)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MBoxOp
+      (MBoxUpdate
+       ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+        (immediate_analyses ((last_usage Last)))))
+      ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 2) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name b)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/boxes.0c59fc4e.0.snapshot b/compiler/test/__snapshots__/boxes.0c59fc4e.0.snapshot
index 0fe2e435b..af13b0c2e 100644
--- a/compiler/test/__snapshots__/boxes.0c59fc4e.0.snapshot
+++ b/compiler/test/__snapshots__/boxes.0c59fc4e.0.snapshot
@@ -1,129 +1,65 @@
 boxes › box_multiplication2
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$*\" (global $*_1117 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"*\" (func $*_1117 (param i32 i32 i32) (result i32)))
- (global $b_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (block $compile_block.11 (result i32)
-   (block $compile_store.3
-    (global.set $b_1113
-     (block $allocate_tuple.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 12)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 9)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.5
-    (local.set $6
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (global.get $b_1113)
-      )
-     )
-    )
-    (block $do_backpatches.4
-    )
-   )
-   (block $compile_store.7
-    (local.set $7
-     (call $*_1117
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $*_1117)
-      )
-      (local.get $6)
-      (i32.const 39)
-     )
-    )
-    (block $do_backpatches.6
-    )
-   )
-   (block $compile_store.10
-    (local.set $8
-     (block $MTupleSet.8 (result i32)
-      (i32.store offset=8
-       (global.get $b_1113)
-       (tuple.extract 0
-        (tuple.make
-         (local.get $7)
-         (call $decRef_0
-          (global.get $GRAIN$EXPORT$decRef_0)
-          (i32.load offset=8
-           (global.get $b_1113)
-          )
-         )
-        )
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-    (block $do_backpatches.9
-    )
-   )
-   (call $incRef_0
-    (global.get $GRAIN$EXPORT$incRef_0)
-    (i32.load offset=8
-     (global.get $b_1113)
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name *))) (mimp_mod pervasives.gr) (mimp_name *)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name *))) (mimp_mod pervasives.gr) (mimp_name *)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind b_1113 Managed)
+        ((instr_desc
+          (MAllocate
+           (MBox
+            ((immediate_desc (MImmConst (MConstI32 4)))
+             (immediate_analyses ((last_usage Unknown)))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MBoxOp MBoxUnbox
+           ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MCallKnown (func *_1117)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind *_1117 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) (Managed)))
+           (args
+            (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))
+             ((immediate_desc (MImmConst (MConstI32 19)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MBoxOp
+           (MBoxUpdate
+            ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+             (immediate_analyses ((last_usage Last)))))
+           ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MBoxOp MBoxUnbox
+      ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 2) (stack_size_i32 1) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name b)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/boxes.17668725.0.snapshot b/compiler/test/__snapshots__/boxes.17668725.0.snapshot
index 4734e61af..221199aea 100644
--- a/compiler/test/__snapshots__/boxes.17668725.0.snapshot
+++ b/compiler/test/__snapshots__/boxes.17668725.0.snapshot
@@ -1,129 +1,65 @@
 boxes › box_division2
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$/\" (global $/_1117 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"/\" (func $/_1117 (param i32 i32 i32) (result i32)))
- (global $b_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (block $compile_block.11 (result i32)
-   (block $compile_store.3
-    (global.set $b_1113
-     (block $allocate_tuple.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 12)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 153)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.5
-    (local.set $6
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (global.get $b_1113)
-      )
-     )
-    )
-    (block $do_backpatches.4
-    )
-   )
-   (block $compile_store.7
-    (local.set $7
-     (call $/_1117
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $/_1117)
-      )
-      (local.get $6)
-      (i32.const 39)
-     )
-    )
-    (block $do_backpatches.6
-    )
-   )
-   (block $compile_store.10
-    (local.set $8
-     (block $MTupleSet.8 (result i32)
-      (i32.store offset=8
-       (global.get $b_1113)
-       (tuple.extract 0
-        (tuple.make
-         (local.get $7)
-         (call $decRef_0
-          (global.get $GRAIN$EXPORT$decRef_0)
-          (i32.load offset=8
-           (global.get $b_1113)
-          )
-         )
-        )
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-    (block $do_backpatches.9
-    )
-   )
-   (call $incRef_0
-    (global.get $GRAIN$EXPORT$incRef_0)
-    (i32.load offset=8
-     (global.get $b_1113)
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name /))) (mimp_mod pervasives.gr) (mimp_name /)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name /))) (mimp_mod pervasives.gr) (mimp_name /)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind b_1113 Managed)
+        ((instr_desc
+          (MAllocate
+           (MBox
+            ((immediate_desc (MImmConst (MConstI32 76)))
+             (immediate_analyses ((last_usage Unknown)))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MBoxOp MBoxUnbox
+           ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MCallKnown (func /_1117)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind /_1117 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) (Managed)))
+           (args
+            (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))
+             ((immediate_desc (MImmConst (MConstI32 19)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MBoxOp
+           (MBoxUpdate
+            ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+             (immediate_analyses ((last_usage Last)))))
+           ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MBoxOp MBoxUnbox
+      ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 2) (stack_size_i32 1) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name b)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/boxes.2b56febf.0.snapshot b/compiler/test/__snapshots__/boxes.2b56febf.0.snapshot
index f4831e6f9..56ec896b3 100644
--- a/compiler/test/__snapshots__/boxes.2b56febf.0.snapshot
+++ b/compiler/test/__snapshots__/boxes.2b56febf.0.snapshot
@@ -1,129 +1,65 @@
 boxes › box_addition2
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1117 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1117 (param i32 i32 i32) (result i32)))
- (global $b_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (block $compile_block.11 (result i32)
-   (block $compile_store.3
-    (global.set $b_1113
-     (block $allocate_tuple.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 12)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 9)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.5
-    (local.set $6
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (global.get $b_1113)
-      )
-     )
-    )
-    (block $do_backpatches.4
-    )
-   )
-   (block $compile_store.7
-    (local.set $7
-     (call $+_1117
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $+_1117)
-      )
-      (local.get $6)
-      (i32.const 39)
-     )
-    )
-    (block $do_backpatches.6
-    )
-   )
-   (block $compile_store.10
-    (local.set $8
-     (block $MTupleSet.8 (result i32)
-      (i32.store offset=8
-       (global.get $b_1113)
-       (tuple.extract 0
-        (tuple.make
-         (local.get $7)
-         (call $decRef_0
-          (global.get $GRAIN$EXPORT$decRef_0)
-          (i32.load offset=8
-           (global.get $b_1113)
-          )
-         )
-        )
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-    (block $do_backpatches.9
-    )
-   )
-   (call $incRef_0
-    (global.get $GRAIN$EXPORT$incRef_0)
-    (i32.load offset=8
-     (global.get $b_1113)
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind b_1113 Managed)
+        ((instr_desc
+          (MAllocate
+           (MBox
+            ((immediate_desc (MImmConst (MConstI32 4)))
+             (immediate_analyses ((last_usage Unknown)))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MBoxOp MBoxUnbox
+           ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MCallKnown (func +_1117)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind +_1117 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) (Managed)))
+           (args
+            (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))
+             ((immediate_desc (MImmConst (MConstI32 19)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MBoxOp
+           (MBoxUpdate
+            ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+             (immediate_analyses ((last_usage Last)))))
+           ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MBoxOp MBoxUnbox
+      ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 2) (stack_size_i32 1) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name b)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/boxes.7d564476.0.snapshot b/compiler/test/__snapshots__/boxes.7d564476.0.snapshot
index 957fc0520..0f4cafb4f 100644
--- a/compiler/test/__snapshots__/boxes.7d564476.0.snapshot
+++ b/compiler/test/__snapshots__/boxes.7d564476.0.snapshot
@@ -1,116 +1,58 @@
 boxes › box_division1
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$/\" (global $/_1117 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"/\" (func $/_1117 (param i32 i32 i32) (result i32)))
- (global $b_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.9 (result i32)
-   (block $compile_store.3
-    (global.set $b_1113
-     (block $allocate_tuple.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 12)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 153)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.5
-    (local.set $6
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (global.get $b_1113)
-      )
-     )
-    )
-    (block $do_backpatches.4
-    )
-   )
-   (block $compile_store.7
-    (local.set $7
-     (call $/_1117
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $/_1117)
-      )
-      (local.get $6)
-      (i32.const 39)
-     )
-    )
-    (block $do_backpatches.6
-    )
-   )
-   (block $MTupleSet.8 (result i32)
-    (i32.store offset=8
-     (global.get $b_1113)
-     (tuple.extract 0
-      (tuple.make
-       (local.get $7)
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (i32.load offset=8
-         (global.get $b_1113)
-        )
-       )
-      )
-     )
-    )
-    (i32.const 1879048190)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name /))) (mimp_mod pervasives.gr) (mimp_name /)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name /))) (mimp_mod pervasives.gr) (mimp_name /)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind b_1113 Managed)
+        ((instr_desc
+          (MAllocate
+           (MBox
+            ((immediate_desc (MImmConst (MConstI32 76)))
+             (immediate_analyses ((last_usage Unknown)))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MBoxOp MBoxUnbox
+           ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MCallKnown (func /_1117)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind /_1117 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) (Managed)))
+           (args
+            (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))
+             ((immediate_desc (MImmConst (MConstI32 19)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MBoxOp
+      (MBoxUpdate
+       ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+        (immediate_analyses ((last_usage Last)))))
+      ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 2) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name b)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/boxes.9035923e.0.snapshot b/compiler/test/__snapshots__/boxes.9035923e.0.snapshot
index f30ca3756..5a1dfd182 100644
--- a/compiler/test/__snapshots__/boxes.9035923e.0.snapshot
+++ b/compiler/test/__snapshots__/boxes.9035923e.0.snapshot
@@ -1,129 +1,65 @@
 boxes › box_subtraction2
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$-\" (global $-_1117 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"-\" (func $-_1117 (param i32 i32 i32) (result i32)))
- (global $b_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (block $compile_block.11 (result i32)
-   (block $compile_store.3
-    (global.set $b_1113
-     (block $allocate_tuple.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 12)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 9)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.5
-    (local.set $6
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (global.get $b_1113)
-      )
-     )
-    )
-    (block $do_backpatches.4
-    )
-   )
-   (block $compile_store.7
-    (local.set $7
-     (call $-_1117
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $-_1117)
-      )
-      (local.get $6)
-      (i32.const 39)
-     )
-    )
-    (block $do_backpatches.6
-    )
-   )
-   (block $compile_store.10
-    (local.set $8
-     (block $MTupleSet.8 (result i32)
-      (i32.store offset=8
-       (global.get $b_1113)
-       (tuple.extract 0
-        (tuple.make
-         (local.get $7)
-         (call $decRef_0
-          (global.get $GRAIN$EXPORT$decRef_0)
-          (i32.load offset=8
-           (global.get $b_1113)
-          )
-         )
-        )
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-    (block $do_backpatches.9
-    )
-   )
-   (call $incRef_0
-    (global.get $GRAIN$EXPORT$incRef_0)
-    (i32.load offset=8
-     (global.get $b_1113)
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name -))) (mimp_mod pervasives.gr) (mimp_name -)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name -))) (mimp_mod pervasives.gr) (mimp_name -)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind b_1113 Managed)
+        ((instr_desc
+          (MAllocate
+           (MBox
+            ((immediate_desc (MImmConst (MConstI32 4)))
+             (immediate_analyses ((last_usage Unknown)))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MBoxOp MBoxUnbox
+           ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MCallKnown (func -_1117)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind -_1117 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) (Managed)))
+           (args
+            (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))
+             ((immediate_desc (MImmConst (MConstI32 19)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MBoxOp
+           (MBoxUpdate
+            ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+             (immediate_analyses ((last_usage Last)))))
+           ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MBoxOp MBoxUnbox
+      ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 2) (stack_size_i32 1) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name b)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/boxes.adbe1660.0.snapshot b/compiler/test/__snapshots__/boxes.adbe1660.0.snapshot
index 1f6ee78a0..8b4c6a2dd 100644
--- a/compiler/test/__snapshots__/boxes.adbe1660.0.snapshot
+++ b/compiler/test/__snapshots__/boxes.adbe1660.0.snapshot
@@ -1,116 +1,58 @@
 boxes › box_addition1
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1117 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1117 (param i32 i32 i32) (result i32)))
- (global $b_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.9 (result i32)
-   (block $compile_store.3
-    (global.set $b_1113
-     (block $allocate_tuple.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 12)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 9)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.5
-    (local.set $6
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (global.get $b_1113)
-      )
-     )
-    )
-    (block $do_backpatches.4
-    )
-   )
-   (block $compile_store.7
-    (local.set $7
-     (call $+_1117
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $+_1117)
-      )
-      (local.get $6)
-      (i32.const 39)
-     )
-    )
-    (block $do_backpatches.6
-    )
-   )
-   (block $MTupleSet.8 (result i32)
-    (i32.store offset=8
-     (global.get $b_1113)
-     (tuple.extract 0
-      (tuple.make
-       (local.get $7)
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (i32.load offset=8
-         (global.get $b_1113)
-        )
-       )
-      )
-     )
-    )
-    (i32.const 1879048190)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind b_1113 Managed)
+        ((instr_desc
+          (MAllocate
+           (MBox
+            ((immediate_desc (MImmConst (MConstI32 4)))
+             (immediate_analyses ((last_usage Unknown)))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MBoxOp MBoxUnbox
+           ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MCallKnown (func +_1117)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind +_1117 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) (Managed)))
+           (args
+            (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))
+             ((immediate_desc (MImmConst (MConstI32 19)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MBoxOp
+      (MBoxUpdate
+       ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+        (immediate_analyses ((last_usage Last)))))
+      ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 2) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name b)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/boxes.bc258c1b.0.snapshot b/compiler/test/__snapshots__/boxes.bc258c1b.0.snapshot
index 21ab39f1b..bc22f7262 100644
--- a/compiler/test/__snapshots__/boxes.bc258c1b.0.snapshot
+++ b/compiler/test/__snapshots__/boxes.bc258c1b.0.snapshot
@@ -1,116 +1,58 @@
 boxes › box_multiplication1
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$*\" (global $*_1117 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"*\" (func $*_1117 (param i32 i32 i32) (result i32)))
- (global $b_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.9 (result i32)
-   (block $compile_store.3
-    (global.set $b_1113
-     (block $allocate_tuple.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 12)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 9)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.5
-    (local.set $6
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (global.get $b_1113)
-      )
-     )
-    )
-    (block $do_backpatches.4
-    )
-   )
-   (block $compile_store.7
-    (local.set $7
-     (call $*_1117
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $*_1117)
-      )
-      (local.get $6)
-      (i32.const 39)
-     )
-    )
-    (block $do_backpatches.6
-    )
-   )
-   (block $MTupleSet.8 (result i32)
-    (i32.store offset=8
-     (global.get $b_1113)
-     (tuple.extract 0
-      (tuple.make
-       (local.get $7)
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (i32.load offset=8
-         (global.get $b_1113)
-        )
-       )
-      )
-     )
-    )
-    (i32.const 1879048190)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name *))) (mimp_mod pervasives.gr) (mimp_name *)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name *))) (mimp_mod pervasives.gr) (mimp_name *)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind b_1113 Managed)
+        ((instr_desc
+          (MAllocate
+           (MBox
+            ((immediate_desc (MImmConst (MConstI32 4)))
+             (immediate_analyses ((last_usage Unknown)))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MBoxOp MBoxUnbox
+           ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MCallKnown (func *_1117)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind *_1117 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) (Managed)))
+           (args
+            (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))
+             ((immediate_desc (MImmConst (MConstI32 19)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MBoxOp
+      (MBoxUpdate
+       ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+        (immediate_analyses ((last_usage Last)))))
+      ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 2) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name b)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/boxes.eb81e542.0.snapshot b/compiler/test/__snapshots__/boxes.eb81e542.0.snapshot
index 6bf1af481..9b0afc2fe 100644
--- a/compiler/test/__snapshots__/boxes.eb81e542.0.snapshot
+++ b/compiler/test/__snapshots__/boxes.eb81e542.0.snapshot
@@ -1,96 +1,28 @@
 boxes › test_set_extra1
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.6 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_tuple.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 12)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (tuple.extract 0
-    (tuple.make
-     (block $MTupleSet.5 (result i32)
-      (i32.store offset=8
-       (local.get $6)
-       (tuple.extract 0
-        (tuple.make
-         (i32.const 5)
-         (call $decRef_0
-          (global.get $GRAIN$EXPORT$decRef_0)
-          (i32.load offset=8
-           (local.get $6)
-          )
-         )
-        )
-       )
-      )
-      (i32.const 1879048190)
-     )
-     (block $cleanup.4 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $6)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MBox
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown)))))))))))))
+   ((instr_desc
+     (MCleanup
+      (((instr_desc
+         (MBoxOp
+          (MBoxUpdate
+           ((immediate_desc (MImmConst (MConstI32 2)))
+            (immediate_analyses ((last_usage Unknown)))))
+          ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+           (immediate_analyses ((last_usage Last))))))))
+      (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/chars.200d9e1a.0.snapshot b/compiler/test/__snapshots__/chars.200d9e1a.0.snapshot
index eacb069ae..b1d024cc3 100644
--- a/compiler/test/__snapshots__/chars.200d9e1a.0.snapshot
+++ b/compiler/test/__snapshots__/chars.200d9e1a.0.snapshot
@@ -1,35 +1,13 @@
 chars › char4
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const 16642)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstChar A)))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/chars.259e330c.0.snapshot b/compiler/test/__snapshots__/chars.259e330c.0.snapshot
index e670892db..23aaeea0b 100644
--- a/compiler/test/__snapshots__/chars.259e330c.0.snapshot
+++ b/compiler/test/__snapshots__/chars.259e330c.0.snapshot
@@ -1,35 +1,13 @@
 chars › char2
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const 16642)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstChar A)))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/chars.27fb7f30.0.snapshot b/compiler/test/__snapshots__/chars.27fb7f30.0.snapshot
index 4c88bebb8..37f70f96f 100644
--- a/compiler/test/__snapshots__/chars.27fb7f30.0.snapshot
+++ b/compiler/test/__snapshots__/chars.27fb7f30.0.snapshot
@@ -1,35 +1,13 @@
 chars › char8
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const 2566146)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstChar \"\\226\\156\\168\")))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/chars.51010573.0.snapshot b/compiler/test/__snapshots__/chars.51010573.0.snapshot
index e0d2df47c..fadb2cc19 100644
--- a/compiler/test/__snapshots__/chars.51010573.0.snapshot
+++ b/compiler/test/__snapshots__/chars.51010573.0.snapshot
@@ -1,35 +1,13 @@
 chars › char7
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const 32718338)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstChar \"\\240\\159\\140\\190\")))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/chars.7e0f68db.0.snapshot b/compiler/test/__snapshots__/chars.7e0f68db.0.snapshot
index eedcc3293..aa0381202 100644
--- a/compiler/test/__snapshots__/chars.7e0f68db.0.snapshot
+++ b/compiler/test/__snapshots__/chars.7e0f68db.0.snapshot
@@ -1,35 +1,13 @@
 chars › char6
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const 32812802)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstChar \"\\240\\159\\146\\175\")))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/chars.af4b3613.0.snapshot b/compiler/test/__snapshots__/chars.af4b3613.0.snapshot
index fa01c9a34..928581c68 100644
--- a/compiler/test/__snapshots__/chars.af4b3613.0.snapshot
+++ b/compiler/test/__snapshots__/chars.af4b3613.0.snapshot
@@ -1,35 +1,13 @@
 chars › char5
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const 16642)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstChar A)))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/chars.e1cac8cd.0.snapshot b/compiler/test/__snapshots__/chars.e1cac8cd.0.snapshot
index 67af1fbca..234bb1e95 100644
--- a/compiler/test/__snapshots__/chars.e1cac8cd.0.snapshot
+++ b/compiler/test/__snapshots__/chars.e1cac8cd.0.snapshot
@@ -1,35 +1,13 @@
 chars › char3
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const 16642)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstChar A)))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/comments.573e549e.0.snapshot b/compiler/test/__snapshots__/comments.573e549e.0.snapshot
index 7fcc08f0b..15acdf20f 100644
--- a/compiler/test/__snapshots__/comments.573e549e.0.snapshot
+++ b/compiler/test/__snapshots__/comments.573e549e.0.snapshot
@@ -1,35 +1,13 @@
 comments › comment_alone
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const 21)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstI32 10)))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/comments.8f52e899.0.snapshot b/compiler/test/__snapshots__/comments.8f52e899.0.snapshot
index 5a4e6e383..02b185d8a 100644
--- a/compiler/test/__snapshots__/comments.8f52e899.0.snapshot
+++ b/compiler/test/__snapshots__/comments.8f52e899.0.snapshot
@@ -1,35 +1,13 @@
 comments › comment_block
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const 21)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstI32 10)))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/comments.ccf5fcf4.0.snapshot b/compiler/test/__snapshots__/comments.ccf5fcf4.0.snapshot
index 6cb5e597d..f5a2d9212 100644
--- a/compiler/test/__snapshots__/comments.ccf5fcf4.0.snapshot
+++ b/compiler/test/__snapshots__/comments.ccf5fcf4.0.snapshot
@@ -1,35 +1,13 @@
 comments › comment_shebang
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const 21)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstI32 10)))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/comments.fd91c233.0.snapshot b/compiler/test/__snapshots__/comments.fd91c233.0.snapshot
index 832ff9cad..9634c290e 100644
--- a/compiler/test/__snapshots__/comments.fd91c233.0.snapshot
+++ b/compiler/test/__snapshots__/comments.fd91c233.0.snapshot
@@ -1,35 +1,13 @@
 comments › comment_doc
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const 21)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstI32 10)))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/early_return.1183a893.0.snapshot b/compiler/test/__snapshots__/early_return.1183a893.0.snapshot
index 44bf4e8ec..d2d4f3fe6 100644
--- a/compiler/test/__snapshots__/early_return.1183a893.0.snapshot
+++ b/compiler/test/__snapshots__/early_return.1183a893.0.snapshot
@@ -1,114 +1,89 @@
 early return › early_return3
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_=>_i32 (func (param i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$==\" (global $==_1116 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"==\" (func $==_1116 (param i32 i32 i32) (result i32)))
- (global $foo_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"foo\" (func $foo_1113))
- (export \"GRAIN$EXPORT$foo\" (global $foo_1113))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $foo_1113 (param $0 i32) (result i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i32)
-  (local $4 i64)
-  (local $5 f32)
-  (local $6 f64)
-  (local $7 i32)
-  (block $compile_block.7
-   (block $compile_store.2
-    (local.set $7
-     (call $==_1116
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $==_1116)
-      )
-      (i32.const 3)
-      (i32.const 1)
-     )
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (drop
-    (if (result i32)
-     (i32.shr_u
-      (local.get $7)
-      (i32.const 31)
-     )
-     (block $compile_block.4
-      (block $cleanup.3
-       (drop
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $0)
-        )
-       )
-      )
-      (return
-       (i32.const -2)
-      )
-     )
-     (block $compile_block.5 (result i32)
-      (i32.const 1879048190)
-     )
-    )
-   )
-   (block $cleanup.6
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $0)
-     )
-    )
-   )
-   (return
-    (i32.const 2147483646)
-   )
-  )
- )
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.10 (result i32)
-   (block $compile_store.9
-    (global.set $foo_1113
-     (i32.const 0)
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (i32.const 1879048190)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 1000
-)
+((functions
+  (((id ((stamp 1113) (name foo))) (name (foo)) (args (Managed))
+    (return_type ((Unmanaged WasmI32))) (closure ())
+    (body
+     (((instr_desc
+        (MStore
+         (((MLocalBind 0 (Unmanaged WasmI32))
+           ((instr_desc
+             (MCallKnown (func ==_1116)
+              (closure
+               ((immediate_desc
+                 (MIncRef
+                  ((immediate_desc
+                    (MImmBinding (MGlobalBind ==_1116 Managed)))
+                   (immediate_analyses ((last_usage Last))))))
+                (immediate_analyses ((last_usage Unknown)))))
+              (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+              (args
+               (((immediate_desc (MImmConst (MConstI32 1)))
+                 (immediate_analyses ((last_usage Unknown))))
+                ((immediate_desc (MImmConst (MConstI32 0)))
+                 (immediate_analyses ((last_usage Unknown))))))))))))))
+      ((instr_desc
+        (MDrop
+         ((instr_desc
+           (MIf
+            ((immediate_desc
+              (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+             (immediate_analyses ((last_usage Last))))
+            (((instr_desc
+               (MCleanup ()
+                (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))))))
+             ((instr_desc
+               (MReturn
+                (((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+                  (immediate_analyses ((last_usage Unknown)))))))))
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc
+                  (MImmConst (MConstLiteral (MConstI32 1879048190))))
+                 (immediate_analyses ((last_usage Unknown))))))))))))))
+      ((instr_desc
+        (MCleanup ()
+         (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))
+      ((instr_desc
+        (MReturn
+         (((immediate_desc
+            (MImmConst (MConstLiteral (MConstI32 2147483646))))
+           (immediate_analyses ((last_usage Unknown))))))))))
+    (stack_size
+     ((stack_size_ptr 0) (stack_size_i32 1) (stack_size_i64 0)
+      (stack_size_f32 0) (stack_size_f64 0)))
+    (attrs ()))))
+ (imports
+  (((mimp_id ((stamp 1116) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1116) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))))
+ (exports
+  ((WasmFunctionExport (ex_function_name foo)
+    (ex_function_internal_name foo_1113))
+   (WasmGlobalExport (ex_global_name foo) (ex_global_internal_name foo_1113))))
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind foo_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstLiteral (MConstI32 1879048190))))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((stamp 1113) (name foo)) true Managed ())))
+ (function_table_elements ())
+ (global_function_table_offset ((stamp 1119) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/enums.aa34084a.0.snapshot b/compiler/test/__snapshots__/enums.aa34084a.0.snapshot
index b75fc2c0f..9da66ae65 100644
--- a/compiler/test/__snapshots__/enums.aa34084a.0.snapshot
+++ b/compiler/test/__snapshots__/enums.aa34084a.0.snapshot
@@ -1,65 +1,19 @@
 enums › adt_trailing
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_adt.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 20)
-      )
-     )
-     (i32.const 2)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 992856951)
-    )
-    (i32.store offset=8
-     (local.get $0)
-     (i32.const 2227)
-    )
-    (i32.store offset=12
-     (local.get $0)
-     (i32.const 3)
-    )
-    (i32.store offset=16
-     (local.get $0)
-     (i32.const 0)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 652
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MAllocate
+      (MADT
+       ((immediate_desc (MImmConst (MConstI32 496428475)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmConst (MConstI32 1113)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmConst (MConstI32 1)))
+        (immediate_analyses ((last_usage Unknown))))
+       ()))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/enums.ae26523b.0.snapshot b/compiler/test/__snapshots__/enums.ae26523b.0.snapshot
index fc7393519..a2e2f1614 100644
--- a/compiler/test/__snapshots__/enums.ae26523b.0.snapshot
+++ b/compiler/test/__snapshots__/enums.ae26523b.0.snapshot
@@ -1,416 +1,155 @@
 enums › enum_recursive_data_definition
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$print\" (global $print_1129 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"print\" (func $print_1129 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (local $13 i32)
-  (local $14 i32)
-  (local $15 i32)
-  (block $compile_block.31
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_string.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 6)
-      )
-      (i64.store offset=8
-       (local.get $0)
-       (i64.const 54015209861748)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_string.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 6)
-      )
-      (i64.store offset=8
-       (local.get $0)
-       (i64.const 55114721489524)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.9
-    (local.set $8
-     (block $allocate_adt.7 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1215441249)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2229)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $compile_store.12
-    (local.set $9
-     (block $allocate_adt.10 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1675317329)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2227)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (local.get $7)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $8)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.11
-    )
-   )
-   (block $compile_store.15
-    (local.set $10
-     (block $allocate_adt.13 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1215441249)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2229)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.14
-    )
-   )
-   (block $compile_store.18
-    (local.set $11
-     (block $allocate_adt.16 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1215441249)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2229)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (local.get $9)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $10)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.17
-    )
-   )
-   (block $compile_store.21
-    (local.set $12
-     (block $allocate_adt.19 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1675317329)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2227)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (local.get $6)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $11)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.20
-    )
-   )
-   (block $compile_store.24
-    (local.set $13
-     (block $allocate_adt.22 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1215441249)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2229)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.23
-    )
-   )
-   (block $compile_store.27
-    (local.set $14
-     (block $allocate_adt.25 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1215441249)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2229)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (local.get $12)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $13)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.26
-    )
-   )
-   (block $compile_store.30
-    (local.set $15
-     (block $allocate_adt.28 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 501102191)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.29
-    )
-   )
-   (return_call $print_1129
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $print_1129)
-    )
-    (local.get $14)
-    (local.get $15)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 930
-)
+((functions ())
+ (imports
+  (((mimp_id ((name print))) (mimp_mod pervasives.gr) (mimp_name print)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name print))) (mimp_mod pervasives.gr) (mimp_name print)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed) ((instr_desc (MAllocate (MString \"tree 1\")))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed) ((instr_desc (MAllocate (MString \"tree 2\")))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 607720624)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1114)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 837658664)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1113)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+              (immediate_analyses ((last_usage Last))))
+             ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 607720624)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1114)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 5 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 607720624)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1114)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+              (immediate_analyses ((last_usage Last))))
+             ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 6 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 837658664)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1113)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))
+             ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 7 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 607720624)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1114)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 8 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 607720624)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1114)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+              (immediate_analyses ((last_usage Last))))
+             ((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 9 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 250551095)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 3)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MReturnCallKnown (func print_1129)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind print_1129 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 8 Managed)))
+         (immediate_analyses ((last_usage Last))))
+        ((immediate_desc (MImmBinding (MLocalBind 9 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 10) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/exceptions.a68ae348.0.snapshot b/compiler/test/__snapshots__/exceptions.a68ae348.0.snapshot
index 1a9cefb89..701095c38 100644
--- a/compiler/test/__snapshots__/exceptions.a68ae348.0.snapshot
+++ b/compiler/test/__snapshots__/exceptions.a68ae348.0.snapshot
@@ -1,65 +1,19 @@
 exceptions › exception_4
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_adt.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 20)
-      )
-     )
-     (i32.const 2)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 1)
-    )
-    (i32.store offset=8
-     (local.get $0)
-     (i32.const 5)
-    )
-    (i32.store offset=12
-     (local.get $0)
-     (i32.const 2229)
-    )
-    (i32.store offset=16
-     (local.get $0)
-     (i32.const 0)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 1760
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MAllocate
+      (MADT
+       ((immediate_desc (MImmConst (MConstI32 0)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmConst (MConstI32 2)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmConst (MConstI32 1114)))
+        (immediate_analyses ((last_usage Unknown))))
+       ()))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/exceptions.ccac3e71.0.snapshot b/compiler/test/__snapshots__/exceptions.ccac3e71.0.snapshot
index d62326d06..c1fac147e 100644
--- a/compiler/test/__snapshots__/exceptions.ccac3e71.0.snapshot
+++ b/compiler/test/__snapshots__/exceptions.ccac3e71.0.snapshot
@@ -1,65 +1,19 @@
 exceptions › exception_2
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_adt.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 20)
-      )
-     )
-     (i32.const 2)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 1)
-    )
-    (i32.store offset=8
-     (local.get $0)
-     (i32.const 5)
-    )
-    (i32.store offset=12
-     (local.get $0)
-     (i32.const 2227)
-    )
-    (i32.store offset=16
-     (local.get $0)
-     (i32.const 0)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 892
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MAllocate
+      (MADT
+       ((immediate_desc (MImmConst (MConstI32 0)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmConst (MConstI32 2)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmConst (MConstI32 1113)))
+        (immediate_analyses ((last_usage Unknown))))
+       ()))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/functions.06134c8a.0.snapshot b/compiler/test/__snapshots__/functions.06134c8a.0.snapshot
index 5c6a9cf85..5fa726888 100644
--- a/compiler/test/__snapshots__/functions.06134c8a.0.snapshot
+++ b/compiler/test/__snapshots__/functions.06134c8a.0.snapshot
@@ -1,78 +1,41 @@
 functions › dup_func
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_=>_i32 (func (param i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (global $foo_1117 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $foo_1117 (param $0 i32) (result i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i32)
-  (local $4 i64)
-  (local $5 f32)
-  (local $6 f64)
-  (block $compile_block.2 (result i32)
-   (tuple.extract 0
-    (tuple.make
-     (i32.const 19)
-     (block $cleanup.1 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $0)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.5
-   (block $compile_store.4
-    (global.set $foo_1117
-     (i32.const 0)
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (return_call $foo_1117
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $foo_1117)
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions
+  (((id ((name foo))) (name (foo)) (args (Managed)) (return_type (Managed))
+    (closure ())
+    (body
+     (((instr_desc
+        (MCleanup
+         (((instr_desc
+            (MImmediate
+             ((immediate_desc (MImmConst (MConstI32 9)))
+              (immediate_analyses ((last_usage Unknown))))))))
+         (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))))
+    (stack_size
+     ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+      (stack_size_f32 0) (stack_size_f64 0)))
+    (attrs ()))))
+ (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind foo_1117 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func foo_1117)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind foo_1117 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type (() (Managed))) (args ()))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name foo)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/functions.0b8146ea.0.snapshot b/compiler/test/__snapshots__/functions.0b8146ea.0.snapshot
index 0b5bf9f59..f096cd421 100644
--- a/compiler/test/__snapshots__/functions.0b8146ea.0.snapshot
+++ b/compiler/test/__snapshots__/functions.0b8146ea.0.snapshot
@@ -1,85 +1,48 @@
 functions › regression_1725
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_=>_i32 (func (param i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (global $foo_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $foo_1113 (param $0 i32) (result i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i32)
-  (local $4 i64)
-  (local $5 f32)
-  (local $6 f64)
-  (local $7 i32)
-  (block $compile_block.4
-   (block $compile_store.2
-    (local.tee $7
-     (return
-      (i32.const 11)
-     )
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (block $cleanup.3
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $0)
-     )
-    )
-   )
-   (return
-    (i32.const 13)
-   )
-  )
- )
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.7
-   (block $compile_store.6
-    (global.set $foo_1113
-     (i32.const 0)
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (return_call $foo_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $foo_1113)
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions
+  (((id ((name foo))) (name (foo)) (args (Managed)) (return_type (Managed))
+    (closure ())
+    (body
+     (((instr_desc
+        (MStore
+         (((MLocalBind 0 (Unmanaged WasmI32))
+           ((instr_desc
+             (MReturn
+              (((immediate_desc (MImmConst (MConstI32 5)))
+                (immediate_analyses ((last_usage Unknown)))))))))))))
+      ((instr_desc
+        (MCleanup ()
+         (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))
+      ((instr_desc
+        (MReturn
+         (((immediate_desc (MImmConst (MConstI32 6)))
+           (immediate_analyses ((last_usage Unknown))))))))))
+    (stack_size
+     ((stack_size_ptr 0) (stack_size_i32 1) (stack_size_i64 0)
+      (stack_size_f32 0) (stack_size_f64 0)))
+    (attrs ()))))
+ (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind foo_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func foo_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind foo_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type (() (Managed))) (args ()))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name foo)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/functions.14922a92.0.snapshot b/compiler/test/__snapshots__/functions.14922a92.0.snapshot
index 4e5fe1589..3dac22ca2 100644
--- a/compiler/test/__snapshots__/functions.14922a92.0.snapshot
+++ b/compiler/test/__snapshots__/functions.14922a92.0.snapshot
@@ -1,83 +1,63 @@
 functions › shorthand_4
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1115 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1115 (param i32 i32 i32) (result i32)))
- (global $foo_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $foo_1113 (param $0 i32) (param $1 i32) (result i32)
-  (local $2 i32)
-  (local $3 i32)
-  (local $4 i32)
-  (local $5 i64)
-  (local $6 f32)
-  (local $7 f64)
-  (block $compile_block.2
-   (block $cleanup.1
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $0)
-     )
-    )
-   )
-   (return_call $+_1115
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $+_1115)
-    )
-    (local.get $1)
-    (i32.const 7)
-   )
-  )
- )
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.5
-   (block $compile_store.4
-    (global.set $foo_1113
-     (i32.const 0)
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (return_call $foo_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $foo_1113)
-    )
-    (i32.const 3)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions
+  (((id ((name foo))) (name (foo)) (args (Managed Managed))
+    (return_type (Managed)) (closure ())
+    (body
+     (((instr_desc
+        (MCleanup ()
+         (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))
+      ((instr_desc
+        (MReturnCallKnown (func +_1115)
+         (closure
+          ((immediate_desc
+            (MIncRef
+             ((immediate_desc (MImmBinding (MGlobalBind +_1115 Managed)))
+              (immediate_analyses ((last_usage Last))))))
+           (immediate_analyses ((last_usage Unknown)))))
+         (func_type ((Managed Managed) (Managed)))
+         (args
+          (((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+            (immediate_analyses ((last_usage Last))))
+           ((immediate_desc (MImmConst (MConstI32 3)))
+            (immediate_analyses ((last_usage Unknown)))))))))))
+    (stack_size
+     ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+      (stack_size_f32 0) (stack_size_f64 0)))
+    (attrs ()))))
+ (imports
+  (((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind foo_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func foo_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind foo_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name foo)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/functions.1be5ecd5.0.snapshot b/compiler/test/__snapshots__/functions.1be5ecd5.0.snapshot
index 5e4798922..f32774fae 100644
--- a/compiler/test/__snapshots__/functions.1be5ecd5.0.snapshot
+++ b/compiler/test/__snapshots__/functions.1be5ecd5.0.snapshot
@@ -1,78 +1,44 @@
 functions › shorthand_1
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (global $foo_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $foo_1113 (param $0 i32) (param $1 i32) (result i32)
-  (local $2 i32)
-  (local $3 i32)
-  (local $4 i32)
-  (local $5 i64)
-  (local $6 f32)
-  (local $7 f64)
-  (block $compile_block.2 (result i32)
-   (tuple.extract 0
-    (tuple.make
-     (local.get $1)
-     (block $cleanup.1 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $0)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.5
-   (block $compile_store.4
-    (global.set $foo_1113
-     (i32.const 0)
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (return_call $foo_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $foo_1113)
-    )
-    (i32.const 3)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions
+  (((id ((name foo))) (name (foo)) (args (Managed Managed))
+    (return_type (Managed)) (closure ())
+    (body
+     (((instr_desc
+        (MCleanup
+         (((instr_desc
+            (MImmediate
+             ((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+              (immediate_analyses ((last_usage Last))))))))
+         (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))))
+    (stack_size
+     ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+      (stack_size_f32 0) (stack_size_f64 0)))
+    (attrs ()))))
+ (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind foo_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func foo_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind foo_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name foo)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/functions.23afd9c9.0.snapshot b/compiler/test/__snapshots__/functions.23afd9c9.0.snapshot
index b1308be3c..6417d2436 100644
--- a/compiler/test/__snapshots__/functions.23afd9c9.0.snapshot
+++ b/compiler/test/__snapshots__/functions.23afd9c9.0.snapshot
@@ -1,410 +1,256 @@
 functions › lam_destructure_5
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1119 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1119 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $lam_lambda_1118 (param $0 i32) (param $1 i32) (param $2 i32) (result i32)
-  (local $3 i32)
-  (local $4 i32)
-  (local $5 i32)
-  (local $6 i64)
-  (local $7 f32)
-  (local $8 f64)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (local $13 i32)
-  (local $14 i32)
-  (local $15 i32)
-  (local $16 i32)
-  (local $17 i32)
-  (local $18 i32)
-  (local $19 i32)
-  (local $20 i32)
-  (local $21 i32)
-  (block $compile_block.35
-   (block $compile_store.2
-    (local.set $9
-     (i32.const 0)
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (block $compile_store.4
-    (local.set $10
-     (i32.const 0)
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (block $compile_store.6
-    (local.set $11
-     (i32.const 0)
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.8
-    (local.set $12
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (local.get $1)
-      )
-     )
-    )
-    (block $do_backpatches.7
-    )
-   )
-   (block $compile_store.10
-    (local.set $13
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=12
-       (local.get $1)
-      )
-     )
-    )
-    (block $do_backpatches.9
-    )
-   )
-   (block $compile_store.12
-    (local.set $14
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=16
-       (local.get $1)
-      )
-     )
-    )
-    (block $do_backpatches.11
-    )
-   )
-   (block $cleanup.13
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $1)
-     )
-    )
-   )
-   (drop
-    (block $compile_set.14 (result i32)
-     (local.set $11
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $14)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $11)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.15 (result i32)
-     (local.set $10
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $13)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $10)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.16 (result i32)
-     (local.set $9
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $12)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $9)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (block $compile_store.18
-    (local.set $15
-     (i32.const 0)
-    )
-    (block $do_backpatches.17
-    )
-   )
-   (block $compile_store.20
-    (local.set $16
-     (i32.const 0)
-    )
-    (block $do_backpatches.19
-    )
-   )
-   (block $compile_store.22
-    (local.set $17
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (local.get $2)
-      )
-     )
-    )
-    (block $do_backpatches.21
-    )
-   )
-   (block $compile_store.24
-    (local.set $18
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=12
-       (local.get $2)
-      )
-     )
-    )
-    (block $do_backpatches.23
-    )
-   )
-   (block $cleanup.25
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $2)
-     )
-    )
-   )
-   (drop
-    (block $compile_set.26 (result i32)
-     (local.set $16
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $18)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $16)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.27 (result i32)
-     (local.set $15
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $17)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $15)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (block $compile_store.29
-    (local.set $19
-     (call $+_1119
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $+_1119)
-      )
-      (local.get $9)
-      (local.get $10)
-     )
-    )
-    (block $do_backpatches.28
-    )
-   )
-   (block $compile_store.31
-    (local.set $20
-     (call $+_1119
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $+_1119)
-      )
-      (local.get $19)
-      (local.get $11)
-     )
-    )
-    (block $do_backpatches.30
-    )
-   )
-   (block $compile_store.33
-    (local.set $21
-     (call $+_1119
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $+_1119)
-      )
-      (local.get $20)
-      (local.get $15)
-     )
-    )
-    (block $do_backpatches.32
-    )
-   )
-   (block $cleanup.34
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $0)
-     )
-    )
-   )
-   (return_call $+_1119
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $+_1119)
-    )
-    (local.get $21)
-    (local.get $16)
-   )
-  )
- )
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (block $compile_block.44
-   (block $compile_store.37
-    (local.set $6
-     (i32.const 0)
-    )
-    (block $do_backpatches.36
-    )
-   )
-   (block $compile_store.40
-    (local.set $7
-     (block $allocate_tuple.38 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 5)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 7)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.39
-    )
-   )
-   (block $compile_store.43
-    (local.set $8
-     (block $allocate_tuple.41 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 9)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 11)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.42
-    )
-   )
-   (return_call $lam_lambda_1118
-    (local.get $6)
-    (local.get $7)
-    (local.get $8)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions
+  (((id ((name lam_lambda))) (name ()) (args (Managed Managed Managed))
+    (return_type (Managed)) (closure ())
+    (body
+     (((instr_desc
+        (MStore
+         (((MLocalBind 0 Managed)
+           ((instr_desc
+             (MImmediate
+              ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 1 Managed)
+           ((instr_desc
+             (MImmediate
+              ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 2 Managed)
+           ((instr_desc
+             (MImmediate
+              ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 3 Managed)
+           ((instr_desc
+             (MTupleOp (MTupleGet 0)
+              ((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 4 Managed)
+           ((instr_desc
+             (MTupleOp (MTupleGet 1)
+              ((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 5 Managed)
+           ((instr_desc
+             (MTupleOp (MTupleGet 2)
+              ((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+               (immediate_analyses ((last_usage Last))))))))))))
+      ((instr_desc
+        (MCleanup ()
+         (((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))
+      ((instr_desc
+        (MDrop
+         ((instr_desc
+           (MSet (MLocalBind 2 Managed)
+            ((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+                (immediate_analyses ((last_usage Last)))))))))))))
+      ((instr_desc
+        (MDrop
+         ((instr_desc
+           (MSet (MLocalBind 1 Managed)
+            ((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+                (immediate_analyses ((last_usage Last)))))))))))))
+      ((instr_desc
+        (MDrop
+         ((instr_desc
+           (MSet (MLocalBind 0 Managed)
+            ((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+                (immediate_analyses ((last_usage Last)))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 6 Managed)
+           ((instr_desc
+             (MImmediate
+              ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 7 Managed)
+           ((instr_desc
+             (MImmediate
+              ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 8 Managed)
+           ((instr_desc
+             (MTupleOp (MTupleGet 0)
+              ((immediate_desc (MImmBinding (MArgBind 2 Managed)))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 9 Managed)
+           ((instr_desc
+             (MTupleOp (MTupleGet 1)
+              ((immediate_desc (MImmBinding (MArgBind 2 Managed)))
+               (immediate_analyses ((last_usage Last))))))))))))
+      ((instr_desc
+        (MCleanup ()
+         (((immediate_desc (MImmBinding (MArgBind 2 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))
+      ((instr_desc
+        (MDrop
+         ((instr_desc
+           (MSet (MLocalBind 7 Managed)
+            ((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmBinding (MLocalBind 9 Managed)))
+                (immediate_analyses ((last_usage Last)))))))))))))
+      ((instr_desc
+        (MDrop
+         ((instr_desc
+           (MSet (MLocalBind 6 Managed)
+            ((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmBinding (MLocalBind 8 Managed)))
+                (immediate_analyses ((last_usage Last)))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 10 Managed)
+           ((instr_desc
+             (MCallKnown (func +_1119)
+              (closure
+               ((immediate_desc
+                 (MIncRef
+                  ((immediate_desc
+                    (MImmBinding (MGlobalBind +_1119 Managed)))
+                   (immediate_analyses ((last_usage Unknown))))))
+                (immediate_analyses ((last_usage Unknown)))))
+              (func_type ((Managed Managed) (Managed)))
+              (args
+               (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+                 (immediate_analyses ((last_usage Last))))
+                ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+                 (immediate_analyses ((last_usage Last))))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 11 Managed)
+           ((instr_desc
+             (MCallKnown (func +_1119)
+              (closure
+               ((immediate_desc
+                 (MIncRef
+                  ((immediate_desc
+                    (MImmBinding (MGlobalBind +_1119 Managed)))
+                   (immediate_analyses ((last_usage Unknown))))))
+                (immediate_analyses ((last_usage Unknown)))))
+              (func_type ((Managed Managed) (Managed)))
+              (args
+               (((immediate_desc (MImmBinding (MLocalBind 10 Managed)))
+                 (immediate_analyses ((last_usage Last))))
+                ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+                 (immediate_analyses ((last_usage Last))))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 12 Managed)
+           ((instr_desc
+             (MCallKnown (func +_1119)
+              (closure
+               ((immediate_desc
+                 (MIncRef
+                  ((immediate_desc
+                    (MImmBinding (MGlobalBind +_1119 Managed)))
+                   (immediate_analyses ((last_usage Unknown))))))
+                (immediate_analyses ((last_usage Unknown)))))
+              (func_type ((Managed Managed) (Managed)))
+              (args
+               (((immediate_desc (MImmBinding (MLocalBind 11 Managed)))
+                 (immediate_analyses ((last_usage Last))))
+                ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+                 (immediate_analyses ((last_usage Last))))))))))))))
+      ((instr_desc
+        (MCleanup ()
+         (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))
+      ((instr_desc
+        (MReturnCallKnown (func +_1119)
+         (closure
+          ((immediate_desc
+            (MIncRef
+             ((immediate_desc (MImmBinding (MGlobalBind +_1119 Managed)))
+              (immediate_analyses ((last_usage Last))))))
+           (immediate_analyses ((last_usage Unknown)))))
+         (func_type ((Managed Managed) (Managed)))
+         (args
+          (((immediate_desc (MImmBinding (MLocalBind 12 Managed)))
+            (immediate_analyses ((last_usage Last))))
+           ((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+            (immediate_analyses ((last_usage Last)))))))))))
+    (stack_size
+     ((stack_size_ptr 13) (stack_size_i32 0) (stack_size_i64 0)
+      (stack_size_f32 0) (stack_size_f64 0)))
+    (attrs ()))))
+ (imports
+  (((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 4)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 5)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func lam_lambda_1118)
+      (closure
+       ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+        (immediate_analyses ((last_usage Last)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+         (immediate_analyses ((last_usage Last))))
+        ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 3) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/functions.28e0f2b3.0.snapshot b/compiler/test/__snapshots__/functions.28e0f2b3.0.snapshot
index 6a6bcd711..3b46e750e 100644
--- a/compiler/test/__snapshots__/functions.28e0f2b3.0.snapshot
+++ b/compiler/test/__snapshots__/functions.28e0f2b3.0.snapshot
@@ -1,113 +1,49 @@
 functions › lambda_pat_any
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (global $x_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $x_1113 (param $0 i32) (param $1 i32) (result i32)
-  (local $2 i32)
-  (local $3 i32)
-  (local $4 i32)
-  (local $5 i64)
-  (local $6 f32)
-  (local $7 f64)
-  (block $compile_block.2 (result i32)
-   (tuple.extract 0
-    (tuple.make
-     (i32.const 11)
-     (block $cleanup.1 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $0)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $1)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.8
-   (block $compile_store.4
-    (global.set $x_1113
-     (i32.const 0)
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (block $compile_store.7
-    (local.set $6
-     (block $allocate_string.5 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i64.store offset=8
-       (local.get $0)
-       (i64.const 7303014)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.6
-    )
-   )
-   (return_call $x_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $x_1113)
-    )
-    (local.get $6)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions
+  (((id ((name x))) (name (x)) (args (Managed Managed))
+    (return_type (Managed)) (closure ())
+    (body
+     (((instr_desc
+        (MCleanup
+         (((instr_desc
+            (MImmediate
+             ((immediate_desc (MImmConst (MConstI32 5)))
+              (immediate_analyses ((last_usage Unknown))))))))
+         (((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+           (immediate_analyses ((last_usage Unknown))))
+          ((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))))
+    (stack_size
+     ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+      (stack_size_f32 0) (stack_size_f64 0)))
+    (attrs ()))))
+ (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind x_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed) ((instr_desc (MAllocate (MString foo)))))))))
+   ((instr_desc
+     (MReturnCallKnown (func x_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind x_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name x)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/functions.49ccab54.0.snapshot b/compiler/test/__snapshots__/functions.49ccab54.0.snapshot
index 2683530ef..e43257bca 100644
--- a/compiler/test/__snapshots__/functions.49ccab54.0.snapshot
+++ b/compiler/test/__snapshots__/functions.49ccab54.0.snapshot
@@ -1,169 +1,95 @@
 functions › curried_func
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1116 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1116 (param i32 i32 i32) (result i32)))
- (global $add_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 1))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0) $func_1123)
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $add_1113 (param $0 i32) (param $1 i32) (result i32)
-  (local $2 i32)
-  (local $3 i32)
-  (local $4 i32)
-  (local $5 i64)
-  (local $6 f32)
-  (local $7 f64)
-  (block $compile_block.3 (result i32)
-   (tuple.extract 0
-    (tuple.make
-     (block $allocate_closure.2 (result i32)
-      (i32.store
-       (local.tee $2
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 6)
-      )
-      (i32.store offset=4
-       (local.get $2)
-       (i32.const 2)
-      )
-      (i32.store offset=8
-       (local.get $2)
-       (i32.add
-        (global.get $relocBase_0)
-        (i32.const 0)
-       )
-      )
-      (i32.store offset=12
-       (local.get $2)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $2)
-       (local.get $1)
-      )
-      (local.get $2)
-     )
-     (block $cleanup.1 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $0)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $func_1123 (param $0 i32) (param $1 i32) (result i32)
-  (local $2 i32)
-  (local $3 i32)
-  (local $4 i32)
-  (local $5 i32)
-  (local $6 i64)
-  (local $7 f32)
-  (local $8 f64)
-  (block $closure_elements.8
-   (local.set $2
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (i32.load offset=16
-      (local.get $0)
-     )
-    )
-   )
-   (block $compile_block.7
-    (block $cleanup.6
-     (drop
-      (call $decRef_0
-       (global.get $GRAIN$EXPORT$decRef_0)
-       (local.get $0)
-      )
-     )
-    )
-    (return_call $+_1116
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (global.get $+_1116)
-     )
-     (local.get $2)
-     (local.get $1)
-    )
-   )
-  )
- )
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.14
-   (block $compile_store.10
-    (global.set $add_1113
-     (i32.const 0)
-    )
-    (block $do_backpatches.9
-    )
-   )
-   (block $compile_store.12
-    (local.set $6
-     (call $add_1113
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $add_1113)
-      )
-      (i32.const 5)
-     )
-    )
-    (block $do_backpatches.11
-    )
-   )
-   (block $call_lambda.13
-    (local.set $0
-     (local.get $6)
-    )
-    (return_call_indirect (type $i32_i32_=>_i32)
-     (local.get $0)
-     (i32.const 7)
-     (i32.load offset=8
-      (local.get $0)
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions
+  (((id ((name add))) (name (add)) (args (Managed Managed))
+    (return_type (Managed)) (closure ())
+    (body
+     (((instr_desc
+        (MCleanup
+         (((instr_desc
+            (MAllocate
+             (MClosure
+              ((func_idx (0)) (global_offset function_table_global_1122)
+               (arity 2)
+               (variables
+                (((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+                  (immediate_analyses ((last_usage Last))))))))))))
+         (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))))
+    (stack_size
+     ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+      (stack_size_f32 0) (stack_size_f64 0)))
+    (attrs ()))
+   ((id ((name func))) (name ()) (args (Managed Managed))
+    (return_type (Managed)) (closure (1))
+    (body
+     (((instr_desc
+        (MCleanup ()
+         (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))
+      ((instr_desc
+        (MReturnCallKnown (func +_1116)
+         (closure
+          ((immediate_desc
+            (MIncRef
+             ((immediate_desc (MImmBinding (MGlobalBind +_1116 Managed)))
+              (immediate_analyses ((last_usage Last))))))
+           (immediate_analyses ((last_usage Unknown)))))
+         (func_type ((Managed Managed) (Managed)))
+         (args
+          (((immediate_desc (MImmBinding (MClosureBind 0)))
+            (immediate_analyses ((last_usage Last))))
+           ((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+            (immediate_analyses ((last_usage Last)))))))))))
+    (stack_size
+     ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+      (stack_size_f32 0) (stack_size_f64 0)))
+    (attrs ()))))
+ (imports
+  (((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind add_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MCallKnown (func add_1113)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind add_1113 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed) (Managed)))
+           (args
+            (((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MReturnCallIndirect
+      (func
+       ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+        (immediate_analyses ((last_usage Last)))))
+      (func_type ((Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 3)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name add)) true Managed ())))
+ (function_table_elements (func_1124))
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/functions.6eacded0.0.snapshot b/compiler/test/__snapshots__/functions.6eacded0.0.snapshot
index ad915f582..3d98b63b6 100644
--- a/compiler/test/__snapshots__/functions.6eacded0.0.snapshot
+++ b/compiler/test/__snapshots__/functions.6eacded0.0.snapshot
@@ -1,481 +1,342 @@
 functions › func_recursive_closure
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (type $i32_=>_i32 (func (param i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$-\" (global $-_1137 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$==\" (global $==_1132 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1122 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"-\" (func $-_1137 (param i32 i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"==\" (func $==_1132 (param i32 i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1122 (param i32 i32 i32) (result i32)))
- (global $truc_1116 (mut i32) (i32.const 0))
- (global $makeAdder_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 1))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0) $func_1145)
- (export \"memory\" (memory $0))
- (export \"truc\" (func $truc_1116))
- (export \"GRAIN$EXPORT$truc\" (global $truc_1116))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $makeAdder_1113 (param $0 i32) (param $1 i32) (result i32)
-  (local $2 i32)
-  (local $3 i32)
-  (local $4 i32)
-  (local $5 i64)
-  (local $6 f32)
-  (local $7 f64)
-  (block $compile_block.3 (result i32)
-   (tuple.extract 0
-    (tuple.make
-     (block $allocate_closure.2 (result i32)
-      (i32.store
-       (local.tee $2
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 6)
-      )
-      (i32.store offset=4
-       (local.get $2)
-       (i32.const 2)
-      )
-      (i32.store offset=8
-       (local.get $2)
-       (i32.add
-        (global.get $relocBase_0)
-        (i32.const 0)
-       )
-      )
-      (i32.store offset=12
-       (local.get $2)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $2)
-       (local.get $1)
-      )
-      (local.get $2)
-     )
-     (block $cleanup.1 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $0)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $truc_1116 (param $0 i32) (result i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i32)
-  (local $4 i64)
-  (local $5 f32)
-  (local $6 f64)
-  (local $7 i32)
-  (block $compile_block.7
-   (block $compile_store.5
-    (local.set $7
-     (i32.const 0)
-    )
-    (block $do_backpatches.4
-    )
-   )
-   (block $cleanup.6
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $0)
-     )
-    )
-   )
-   (return_call $foo_1117
-    (local.get $7)
-    (i32.const 11)
-   )
-  )
- )
- (func $func_1145 (param $0 i32) (param $1 i32) (result i32)
-  (local $2 i32)
-  (local $3 i32)
-  (local $4 i32)
-  (local $5 i32)
-  (local $6 i64)
-  (local $7 f32)
-  (local $8 f64)
-  (block $closure_elements.12
-   (local.set $2
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (i32.load offset=16
-      (local.get $0)
-     )
-    )
-   )
-   (block $compile_block.11
-    (block $cleanup.10
-     (drop
-      (call $decRef_0
-       (global.get $GRAIN$EXPORT$decRef_0)
-       (local.get $0)
-      )
-     )
-    )
-    (return_call $+_1122
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (global.get $+_1122)
-     )
-     (local.get $1)
-     (local.get $2)
-    )
-   )
-  )
- )
- (func $foo_1117 (param $0 i32) (param $1 i32) (result i32)
-  (local $2 i32)
-  (local $3 i32)
-  (local $4 i32)
-  (local $5 i64)
-  (local $6 f32)
-  (local $7 f64)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (block $compile_block.31 (result i32)
-   (block $compile_store.14
-    (local.set $8
-     (call $makeAdder_1113
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $makeAdder_1113)
-      )
-      (i32.const 3)
-     )
-    )
-    (block $do_backpatches.13
-    )
-   )
-   (block $compile_store.17
-    (local.set $9
-     (block $allocate_closure.15 (result i32)
-      (i32.store
-       (local.tee $2
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 24)
-        )
-       )
-       (i32.const 6)
-      )
-      (i32.store offset=4
-       (local.get $2)
-       (i32.const 2)
-      )
-      (i32.store offset=8
-       (local.get $2)
-       (i32.const -1)
-      )
-      (i32.store offset=12
-       (local.get $2)
-       (i32.const 2)
-      )
-      (local.get $2)
-     )
-    )
-    (block $do_backpatches.16
-     (local.set $2
-      (local.get $9)
-     )
-     (i32.store offset=16
-      (local.get $2)
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (local.get $0)
-      )
-     )
-     (i32.store offset=20
-      (local.get $2)
-      (local.get $8)
-     )
-    )
-   )
-   (block $compile_store.19
-    (local.set $11
-     (call $==_1132
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $==_1132)
-      )
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (local.get $1)
-      )
-      (i32.const 1)
-     )
-    )
-    (block $do_backpatches.18
-    )
-   )
-   (tuple.extract 0
-    (tuple.make
-     (if (result i32)
-      (i32.shr_u
-       (local.get $11)
-       (i32.const 31)
-      )
-      (block $compile_block.21 (result i32)
-       (i32.const 1)
-      )
-      (block $compile_block.30
-       (block $compile_store.23
-        (local.set $12
-         (call $==_1132
-          (call $incRef_0
-           (global.get $GRAIN$EXPORT$incRef_0)
-           (global.get $==_1132)
-          )
-          (call $incRef_0
-           (global.get $GRAIN$EXPORT$incRef_0)
-           (local.get $1)
-          )
-          (i32.const 3)
-         )
-        )
-        (block $do_backpatches.22
-        )
-       )
-       (if
-        (i32.shr_u
-         (local.get $12)
-         (i32.const 31)
-        )
-        (block $compile_block.25
-         (block $cleanup.24
-          (drop
-           (call $decRef_0
-            (global.get $GRAIN$EXPORT$decRef_0)
-            (local.get $0)
-           )
-          )
-          (drop
-           (call $decRef_0
-            (global.get $GRAIN$EXPORT$decRef_0)
-            (local.get $1)
-           )
-          )
-         )
-         (return_call $bar_1120
-          (local.get $9)
-          (i32.const 3)
-         )
-        )
-        (block $compile_block.29
-         (block $compile_store.27
-          (local.set $10
-           (call $-_1137
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (global.get $-_1137)
-            )
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (local.get $1)
-            )
-            (i32.const 3)
-           )
-          )
-          (block $do_backpatches.26
-          )
-         )
-         (block $cleanup.28
-          (drop
-           (call $decRef_0
-            (global.get $GRAIN$EXPORT$decRef_0)
-            (local.get $1)
-           )
-          )
-          (drop
-           (call $decRef_0
-            (global.get $GRAIN$EXPORT$decRef_0)
-            (local.get $9)
-           )
-          )
-         )
-         (return_call $foo_1117
-          (local.get $0)
-          (local.get $10)
-         )
-        )
-       )
-      )
-     )
-     (block $cleanup.20 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $0)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $1)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $9)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $bar_1120 (param $0 i32) (param $1 i32) (result i32)
-  (local $2 i32)
-  (local $3 i32)
-  (local $4 i32)
-  (local $5 i32)
-  (local $6 i32)
-  (local $7 i64)
-  (local $8 f32)
-  (local $9 f64)
-  (local $10 i32)
-  (local $11 i32)
-  (block $closure_elements.46
-   (local.set $3
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (i32.load offset=20
-      (local.get $0)
-     )
-    )
-   )
-   (local.set $2
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (i32.load offset=16
-      (local.get $0)
-     )
-    )
-   )
-   (block $compile_block.45
-    (block $compile_store.40
-     (local.set $10
-      (call $foo_1117
-       (local.get $2)
-       (i32.const 1)
-      )
-     )
-     (block $do_backpatches.39
-     )
-    )
-    (block $compile_store.43
-     (local.set $11
-      (block $call_lambda.41 (result i32)
-       (local.set $4
-        (local.get $3)
-       )
-       (call_indirect (type $i32_i32_=>_i32)
-        (local.get $4)
-        (i32.const 3)
-        (i32.load offset=8
-         (local.get $4)
-        )
-       )
-      )
-     )
-     (block $do_backpatches.42
-     )
-    )
-    (block $cleanup.44
-     (drop
-      (call $decRef_0
-       (global.get $GRAIN$EXPORT$decRef_0)
-       (local.get $0)
-      )
-     )
-     (drop
-      (call $decRef_0
-       (global.get $GRAIN$EXPORT$decRef_0)
-       (local.get $1)
-      )
-     )
-    )
-    (return_call $+_1122
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (global.get $+_1122)
-     )
-     (local.get $10)
-     (local.get $11)
-    )
-   )
-  )
- )
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.51
-   (block $compile_store.48
-    (global.set $makeAdder_1113
-     (i32.const 0)
-    )
-    (block $do_backpatches.47
-    )
-   )
-   (block $compile_store.50
-    (global.set $truc_1116
-     (i32.const 0)
-    )
-    (block $do_backpatches.49
-    )
-   )
-   (return_call $truc_1116
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $truc_1116)
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 1025
-)
+((functions
+  (((id ((name makeAdder))) (name (makeAdder)) (args (Managed Managed))
+    (return_type (Managed)) (closure ())
+    (body
+     (((instr_desc
+        (MCleanup
+         (((instr_desc
+            (MAllocate
+             (MClosure
+              ((func_idx (0)) (global_offset function_table_global_1143)
+               (arity 2)
+               (variables
+                (((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+                  (immediate_analyses ((last_usage Last))))))))))))
+         (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))))
+    (stack_size
+     ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+      (stack_size_f32 0) (stack_size_f64 0)))
+    (attrs ()))
+   ((id ((name truc))) (name (truc)) (args (Managed)) (return_type (Managed))
+    (closure ())
+    (body
+     (((instr_desc
+        (MStore
+         (((MLocalBind 0 Managed)
+           ((instr_desc
+             (MImmediate
+              ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MCleanup ()
+         (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))
+      ((instr_desc
+        (MReturnCallKnown (func foo_1117)
+         (closure
+          ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+           (immediate_analyses ((last_usage Last)))))
+         (func_type ((Managed) (Managed)))
+         (args
+          (((immediate_desc (MImmConst (MConstI32 5)))
+            (immediate_analyses ((last_usage Unknown)))))))))))
+    (stack_size
+     ((stack_size_ptr 1) (stack_size_i32 0) (stack_size_i64 0)
+      (stack_size_f32 0) (stack_size_f64 0)))
+    (attrs ()))
+   ((id ((name func))) (name ()) (args (Managed Managed))
+    (return_type (Managed)) (closure (1))
+    (body
+     (((instr_desc
+        (MCleanup ()
+         (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))
+      ((instr_desc
+        (MReturnCallKnown (func +_1122)
+         (closure
+          ((immediate_desc
+            (MIncRef
+             ((immediate_desc (MImmBinding (MGlobalBind +_1122 Managed)))
+              (immediate_analyses ((last_usage Last))))))
+           (immediate_analyses ((last_usage Unknown)))))
+         (func_type ((Managed Managed) (Managed)))
+         (args
+          (((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+            (immediate_analyses ((last_usage Last))))
+           ((immediate_desc (MImmBinding (MClosureBind 0)))
+            (immediate_analyses ((last_usage Last)))))))))))
+    (stack_size
+     ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+      (stack_size_f32 0) (stack_size_f64 0)))
+    (attrs ()))
+   ((id ((name foo))) (name ()) (args (Managed Managed))
+    (return_type (Managed)) (closure ())
+    (body
+     (((instr_desc
+        (MStore
+         (((MLocalBind 0 Managed)
+           ((instr_desc
+             (MCallKnown (func makeAdder_1113)
+              (closure
+               ((immediate_desc
+                 (MIncRef
+                  ((immediate_desc
+                    (MImmBinding (MGlobalBind makeAdder_1113 Managed)))
+                   (immediate_analyses ((last_usage Last))))))
+                (immediate_analyses ((last_usage Unknown)))))
+              (func_type ((Managed) (Managed)))
+              (args
+               (((immediate_desc (MImmConst (MConstI32 1)))
+                 (immediate_analyses ((last_usage Unknown))))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 1 Managed)
+           ((instr_desc
+             (MAllocate
+              (MClosure
+               ((func_idx ()) (global_offset function_table_global_1143)
+                (arity 2)
+                (variables
+                 (((immediate_desc
+                    (MIncRef
+                     ((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+                      (immediate_analyses ((last_usage Unknown))))))
+                   (immediate_analyses ((last_usage Unknown))))
+                  ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+                   (immediate_analyses ((last_usage Last))))))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 0 (Unmanaged WasmI32))
+           ((instr_desc
+             (MCallKnown (func ==_1132)
+              (closure
+               ((immediate_desc
+                 (MIncRef
+                  ((immediate_desc
+                    (MImmBinding (MGlobalBind ==_1132 Managed)))
+                   (immediate_analyses ((last_usage Unknown))))))
+                (immediate_analyses ((last_usage Unknown)))))
+              (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+              (args
+               (((immediate_desc
+                  (MIncRef
+                   ((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+                    (immediate_analyses ((last_usage Unknown))))))
+                 (immediate_analyses ((last_usage Unknown))))
+                ((immediate_desc (MImmConst (MConstI32 0)))
+                 (immediate_analyses ((last_usage Unknown))))))))))))))
+      ((instr_desc
+        (MCleanup
+         (((instr_desc
+            (MIf
+             ((immediate_desc
+               (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+              (immediate_analyses ((last_usage Last))))
+             (((instr_desc
+                (MImmediate
+                 ((immediate_desc (MImmConst (MConstI32 0)))
+                  (immediate_analyses ((last_usage Unknown))))))))
+             (((instr_desc
+                (MStore
+                 (((MLocalBind 1 (Unmanaged WasmI32))
+                   ((instr_desc
+                     (MCallKnown (func ==_1132)
+                      (closure
+                       ((immediate_desc
+                         (MIncRef
+                          ((immediate_desc
+                            (MImmBinding (MGlobalBind ==_1132 Managed)))
+                           (immediate_analyses ((last_usage Last))))))
+                        (immediate_analyses ((last_usage Unknown)))))
+                      (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+                      (args
+                       (((immediate_desc
+                          (MIncRef
+                           ((immediate_desc
+                             (MImmBinding (MArgBind 1 Managed)))
+                            (immediate_analyses ((last_usage Unknown))))))
+                         (immediate_analyses ((last_usage Unknown))))
+                        ((immediate_desc (MImmConst (MConstI32 1)))
+                         (immediate_analyses ((last_usage Unknown))))))))))))))
+              ((instr_desc
+                (MIf
+                 ((immediate_desc
+                   (MImmBinding (MLocalBind 1 (Unmanaged WasmI32))))
+                  (immediate_analyses ((last_usage Last))))
+                 (((instr_desc
+                    (MCleanup ()
+                     (((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+                       (immediate_analyses ((last_usage Unknown))))
+                      ((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+                       (immediate_analyses ((last_usage Unknown))))))))
+                  ((instr_desc
+                    (MReturnCallKnown (func bar_1120)
+                     (closure
+                      ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+                       (immediate_analyses ((last_usage Last)))))
+                     (func_type ((Managed) (Managed)))
+                     (args
+                      (((immediate_desc (MImmConst (MConstI32 1)))
+                        (immediate_analyses ((last_usage Unknown))))))))))
+                 (((instr_desc
+                    (MStore
+                     (((MLocalBind 2 Managed)
+                       ((instr_desc
+                         (MCallKnown (func -_1137)
+                          (closure
+                           ((immediate_desc
+                             (MIncRef
+                              ((immediate_desc
+                                (MImmBinding (MGlobalBind -_1137 Managed)))
+                               (immediate_analyses ((last_usage Last))))))
+                            (immediate_analyses ((last_usage Unknown)))))
+                          (func_type ((Managed Managed) (Managed)))
+                          (args
+                           (((immediate_desc
+                              (MIncRef
+                               ((immediate_desc
+                                 (MImmBinding (MArgBind 1 Managed)))
+                                (immediate_analyses ((last_usage Last))))))
+                             (immediate_analyses ((last_usage Unknown))))
+                            ((immediate_desc (MImmConst (MConstI32 1)))
+                             (immediate_analyses ((last_usage Unknown))))))))))))))
+                  ((instr_desc
+                    (MCleanup ()
+                     (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+                       (immediate_analyses ((last_usage Unknown))))
+                      ((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+                       (immediate_analyses ((last_usage Unknown))))))))
+                  ((instr_desc
+                    (MReturnCallKnown (func foo_1117)
+                     (closure
+                      ((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+                       (immediate_analyses ((last_usage Last)))))
+                     (func_type ((Managed) (Managed)))
+                     (args
+                      (((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+                        (immediate_analyses ((last_usage Last))))))))))))))))))
+         (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+           (immediate_analyses ((last_usage Unknown))))
+          ((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+           (immediate_analyses ((last_usage Unknown))))
+          ((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))))
+    (stack_size
+     ((stack_size_ptr 3) (stack_size_i32 2) (stack_size_i64 0)
+      (stack_size_f32 0) (stack_size_f64 0)))
+    (attrs ()))
+   ((id ((name bar))) (name ()) (args (Managed Managed))
+    (return_type (Managed)) (closure (2))
+    (body
+     (((instr_desc
+        (MStore
+         (((MLocalBind 0 Managed)
+           ((instr_desc
+             (MCallKnown (func foo_1117)
+              (closure
+               ((immediate_desc (MImmBinding (MClosureBind 0)))
+                (immediate_analyses ((last_usage Last)))))
+              (func_type ((Managed) (Managed)))
+              (args
+               (((immediate_desc (MImmConst (MConstI32 0)))
+                 (immediate_analyses ((last_usage Unknown))))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 1 Managed)
+           ((instr_desc
+             (MCallIndirect
+              (func
+               ((immediate_desc (MImmBinding (MClosureBind 1)))
+                (immediate_analyses ((last_usage Last)))))
+              (func_type ((Managed) (Managed)))
+              (args
+               (((immediate_desc (MImmConst (MConstI32 1)))
+                 (immediate_analyses ((last_usage Unknown))))))))))))))
+      ((instr_desc
+        (MCleanup ()
+         (((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+           (immediate_analyses ((last_usage Unknown))))
+          ((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))
+      ((instr_desc
+        (MReturnCallKnown (func +_1122)
+         (closure
+          ((immediate_desc
+            (MIncRef
+             ((immediate_desc (MImmBinding (MGlobalBind +_1122 Managed)))
+              (immediate_analyses ((last_usage Last))))))
+           (immediate_analyses ((last_usage Unknown)))))
+         (func_type ((Managed Managed) (Managed)))
+         (args
+          (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Last))))
+           ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+            (immediate_analyses ((last_usage Last)))))))))))
+    (stack_size
+     ((stack_size_ptr 2) (stack_size_i32 0) (stack_size_i64 0)
+      (stack_size_f32 0) (stack_size_f64 0)))
+    (attrs ()))))
+ (imports
+  (((mimp_id ((name -))) (mimp_mod pervasives.gr) (mimp_name -)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name -))) (mimp_mod pervasives.gr) (mimp_name -)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((name ==))) (mimp_mod pervasives.gr) (mimp_name ==)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name ==))) (mimp_mod pervasives.gr) (mimp_name ==)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports
+  ((WasmFunctionExport (ex_function_name truc)
+    (ex_function_internal_name truc_1116))
+   (WasmGlobalExport (ex_global_name truc)
+    (ex_global_internal_name truc_1116))))
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind makeAdder_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MGlobalBind truc_1116 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func truc_1116)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind truc_1116 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type (() (Managed))) (args ()))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals
+  ((((name truc)) true Managed ()) (((name makeAdder)) true Managed ())))
+ (function_table_elements (func_1146))
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/functions.7a8986a5.0.snapshot b/compiler/test/__snapshots__/functions.7a8986a5.0.snapshot
index c1720ca67..286a8b41e 100644
--- a/compiler/test/__snapshots__/functions.7a8986a5.0.snapshot
+++ b/compiler/test/__snapshots__/functions.7a8986a5.0.snapshot
@@ -1,73 +1,41 @@
 functions › app_1
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $lam_lambda_1114 (param $0 i32) (param $1 i32) (result i32)
-  (local $2 i32)
-  (local $3 i32)
-  (local $4 i32)
-  (local $5 i64)
-  (local $6 f32)
-  (local $7 f64)
-  (block $compile_block.2 (result i32)
-   (tuple.extract 0
-    (tuple.make
-     (local.get $1)
-     (block $cleanup.1 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $0)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.5
-   (block $compile_store.4
-    (local.set $6
-     (i32.const 0)
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (return_call $lam_lambda_1114
-    (local.get $6)
-    (i32.const 3)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions
+  (((id ((name lam_lambda))) (name ()) (args (Managed Managed))
+    (return_type (Managed)) (closure ())
+    (body
+     (((instr_desc
+        (MCleanup
+         (((instr_desc
+            (MImmediate
+             ((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+              (immediate_analyses ((last_usage Last))))))))
+         (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))))
+    (stack_size
+     ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+      (stack_size_f32 0) (stack_size_f64 0)))
+    (attrs ()))))
+ (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func lam_lambda_1114)
+      (closure
+       ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+        (immediate_analyses ((last_usage Last)))))
+      (func_type ((Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/functions.84b6e84b.0.snapshot b/compiler/test/__snapshots__/functions.84b6e84b.0.snapshot
index 3a79d9bc6..506f348f5 100644
--- a/compiler/test/__snapshots__/functions.84b6e84b.0.snapshot
+++ b/compiler/test/__snapshots__/functions.84b6e84b.0.snapshot
@@ -1,78 +1,44 @@
 functions › shorthand_3
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (global $foo_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $foo_1113 (param $0 i32) (param $1 i32) (result i32)
-  (local $2 i32)
-  (local $3 i32)
-  (local $4 i32)
-  (local $5 i64)
-  (local $6 f32)
-  (local $7 f64)
-  (block $compile_block.2 (result i32)
-   (tuple.extract 0
-    (tuple.make
-     (local.get $1)
-     (block $cleanup.1 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $0)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.5
-   (block $compile_store.4
-    (global.set $foo_1113
-     (i32.const 0)
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (return_call $foo_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $foo_1113)
-    )
-    (i32.const 3)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions
+  (((id ((name foo))) (name (foo)) (args (Managed Managed))
+    (return_type (Managed)) (closure ())
+    (body
+     (((instr_desc
+        (MCleanup
+         (((instr_desc
+            (MImmediate
+             ((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+              (immediate_analyses ((last_usage Last))))))))
+         (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))))
+    (stack_size
+     ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+      (stack_size_f32 0) (stack_size_f64 0)))
+    (attrs ()))))
+ (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind foo_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func foo_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind foo_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name foo)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/functions.8baf471f.0.snapshot b/compiler/test/__snapshots__/functions.8baf471f.0.snapshot
index 92c03b508..0c30f2b4f 100644
--- a/compiler/test/__snapshots__/functions.8baf471f.0.snapshot
+++ b/compiler/test/__snapshots__/functions.8baf471f.0.snapshot
@@ -1,260 +1,160 @@
 functions › lam_destructure_3
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1117 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1117 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $lam_lambda_1116 (param $0 i32) (param $1 i32) (result i32)
-  (local $2 i32)
-  (local $3 i32)
-  (local $4 i32)
-  (local $5 i64)
-  (local $6 f32)
-  (local $7 f64)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (local $13 i32)
-  (local $14 i32)
-  (block $compile_block.20
-   (block $compile_store.2
-    (local.set $8
-     (i32.const 0)
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (block $compile_store.4
-    (local.set $9
-     (i32.const 0)
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (block $compile_store.6
-    (local.set $10
-     (i32.const 0)
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.8
-    (local.set $11
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (local.get $1)
-      )
-     )
-    )
-    (block $do_backpatches.7
-    )
-   )
-   (block $compile_store.10
-    (local.set $12
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=12
-       (local.get $1)
-      )
-     )
-    )
-    (block $do_backpatches.9
-    )
-   )
-   (block $compile_store.12
-    (local.set $13
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=16
-       (local.get $1)
-      )
-     )
-    )
-    (block $do_backpatches.11
-    )
-   )
-   (block $cleanup.13
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $1)
-     )
-    )
-   )
-   (drop
-    (block $compile_set.14 (result i32)
-     (local.set $10
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $13)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $10)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.15 (result i32)
-     (local.set $9
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $12)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $9)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.16 (result i32)
-     (local.set $8
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $11)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $8)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (block $compile_store.18
-    (local.set $14
-     (call $+_1117
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $+_1117)
-      )
-      (local.get $8)
-      (local.get $9)
-     )
-    )
-    (block $do_backpatches.17
-    )
-   )
-   (block $cleanup.19
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $0)
-     )
-    )
-   )
-   (return_call $+_1117
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $+_1117)
-    )
-    (local.get $14)
-    (local.get $10)
-   )
-  )
- )
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.26
-   (block $compile_store.22
-    (local.set $6
-     (i32.const 0)
-    )
-    (block $do_backpatches.21
-    )
-   )
-   (block $compile_store.25
-    (local.set $7
-     (block $allocate_tuple.23 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 5)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 7)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.24
-    )
-   )
-   (return_call $lam_lambda_1116
-    (local.get $6)
-    (local.get $7)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions
+  (((id ((name lam_lambda))) (name ()) (args (Managed Managed))
+    (return_type (Managed)) (closure ())
+    (body
+     (((instr_desc
+        (MStore
+         (((MLocalBind 0 Managed)
+           ((instr_desc
+             (MImmediate
+              ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 1 Managed)
+           ((instr_desc
+             (MImmediate
+              ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 2 Managed)
+           ((instr_desc
+             (MImmediate
+              ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 3 Managed)
+           ((instr_desc
+             (MTupleOp (MTupleGet 0)
+              ((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 4 Managed)
+           ((instr_desc
+             (MTupleOp (MTupleGet 1)
+              ((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 5 Managed)
+           ((instr_desc
+             (MTupleOp (MTupleGet 2)
+              ((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+               (immediate_analyses ((last_usage Last))))))))))))
+      ((instr_desc
+        (MCleanup ()
+         (((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))
+      ((instr_desc
+        (MDrop
+         ((instr_desc
+           (MSet (MLocalBind 2 Managed)
+            ((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+                (immediate_analyses ((last_usage Last)))))))))))))
+      ((instr_desc
+        (MDrop
+         ((instr_desc
+           (MSet (MLocalBind 1 Managed)
+            ((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+                (immediate_analyses ((last_usage Last)))))))))))))
+      ((instr_desc
+        (MDrop
+         ((instr_desc
+           (MSet (MLocalBind 0 Managed)
+            ((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+                (immediate_analyses ((last_usage Last)))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 6 Managed)
+           ((instr_desc
+             (MCallKnown (func +_1117)
+              (closure
+               ((immediate_desc
+                 (MIncRef
+                  ((immediate_desc
+                    (MImmBinding (MGlobalBind +_1117 Managed)))
+                   (immediate_analyses ((last_usage Unknown))))))
+                (immediate_analyses ((last_usage Unknown)))))
+              (func_type ((Managed Managed) (Managed)))
+              (args
+               (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+                 (immediate_analyses ((last_usage Last))))
+                ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+                 (immediate_analyses ((last_usage Last))))))))))))))
+      ((instr_desc
+        (MCleanup ()
+         (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))
+      ((instr_desc
+        (MReturnCallKnown (func +_1117)
+         (closure
+          ((immediate_desc
+            (MIncRef
+             ((immediate_desc (MImmBinding (MGlobalBind +_1117 Managed)))
+              (immediate_analyses ((last_usage Last))))))
+           (immediate_analyses ((last_usage Unknown)))))
+         (func_type ((Managed Managed) (Managed)))
+         (args
+          (((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+            (immediate_analyses ((last_usage Last))))
+           ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+            (immediate_analyses ((last_usage Last)))))))))))
+    (stack_size
+     ((stack_size_ptr 7) (stack_size_i32 0) (stack_size_i64 0)
+      (stack_size_f32 0) (stack_size_f64 0)))
+    (attrs ()))))
+ (imports
+  (((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func lam_lambda_1116)
+      (closure
+       ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+        (immediate_analyses ((last_usage Last)))))
+      (func_type ((Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 2) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/functions.9223245d.0.snapshot b/compiler/test/__snapshots__/functions.9223245d.0.snapshot
index e5c7a08c5..16f833864 100644
--- a/compiler/test/__snapshots__/functions.9223245d.0.snapshot
+++ b/compiler/test/__snapshots__/functions.9223245d.0.snapshot
@@ -1,367 +1,221 @@
 functions › lam_destructure_7
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1118 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1118 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $lam_lambda_1117 (param $0 i32) (param $1 i32) (result i32)
-  (local $2 i32)
-  (local $3 i32)
-  (local $4 i32)
-  (local $5 i64)
-  (local $6 f32)
-  (local $7 f64)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (local $13 i32)
-  (local $14 i32)
-  (local $15 i32)
-  (local $16 i32)
-  (local $17 i32)
-  (local $18 i32)
-  (block $compile_block.30
-   (block $compile_store.2
-    (local.set $8
-     (i32.const 0)
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (block $compile_store.4
-    (local.set $9
-     (i32.const 0)
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (block $compile_store.6
-    (local.set $10
-     (i32.const 0)
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.8
-    (local.set $11
-     (i32.const 0)
-    )
-    (block $do_backpatches.7
-    )
-   )
-   (block $compile_store.10
-    (local.set $12
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (local.get $1)
-      )
-     )
-    )
-    (block $do_backpatches.9
-    )
-   )
-   (block $compile_store.12
-    (local.set $13
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=12
-       (local.get $1)
-      )
-     )
-    )
-    (block $do_backpatches.11
-    )
-   )
-   (block $compile_store.14
-    (local.set $14
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=16
-       (local.get $1)
-      )
-     )
-    )
-    (block $do_backpatches.13
-    )
-   )
-   (block $cleanup.15
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $1)
-     )
-    )
-   )
-   (block $compile_store.17
-    (local.set $15
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (local.get $14)
-      )
-     )
-    )
-    (block $do_backpatches.16
-    )
-   )
-   (block $compile_store.19
-    (local.set $16
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=12
-       (local.get $14)
-      )
-     )
-    )
-    (block $do_backpatches.18
-    )
-   )
-   (block $cleanup.20
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $14)
-     )
-    )
-   )
-   (drop
-    (block $compile_set.21 (result i32)
-     (local.set $8
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $12)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $8)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.22 (result i32)
-     (local.set $9
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $13)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $9)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.23 (result i32)
-     (local.set $11
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $16)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $11)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.24 (result i32)
-     (local.set $10
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $15)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $10)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (block $compile_store.26
-    (local.set $17
-     (call $+_1118
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $+_1118)
-      )
-      (local.get $8)
-      (local.get $9)
-     )
-    )
-    (block $do_backpatches.25
-    )
-   )
-   (block $compile_store.28
-    (local.set $18
-     (call $+_1118
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $+_1118)
-      )
-      (local.get $17)
-      (local.get $10)
-     )
-    )
-    (block $do_backpatches.27
-    )
-   )
-   (block $cleanup.29
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $0)
-     )
-    )
-   )
-   (return_call $+_1118
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $+_1118)
-    )
-    (local.get $18)
-    (local.get $11)
-   )
-  )
- )
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (block $compile_block.39
-   (block $compile_store.32
-    (local.set $6
-     (i32.const 0)
-    )
-    (block $do_backpatches.31
-    )
-   )
-   (block $compile_store.35
-    (local.set $7
-     (block $allocate_tuple.33 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 9)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.34
-    )
-   )
-   (block $compile_store.38
-    (local.set $8
-     (block $allocate_tuple.36 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 5)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (local.get $7)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.37
-    )
-   )
-   (return_call $lam_lambda_1117
-    (local.get $6)
-    (local.get $8)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions
+  (((id ((name lam_lambda))) (name ()) (args (Managed Managed))
+    (return_type (Managed)) (closure ())
+    (body
+     (((instr_desc
+        (MStore
+         (((MLocalBind 0 Managed)
+           ((instr_desc
+             (MImmediate
+              ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 1 Managed)
+           ((instr_desc
+             (MImmediate
+              ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 2 Managed)
+           ((instr_desc
+             (MImmediate
+              ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 3 Managed)
+           ((instr_desc
+             (MImmediate
+              ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 4 Managed)
+           ((instr_desc
+             (MTupleOp (MTupleGet 0)
+              ((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 5 Managed)
+           ((instr_desc
+             (MTupleOp (MTupleGet 1)
+              ((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 6 Managed)
+           ((instr_desc
+             (MTupleOp (MTupleGet 2)
+              ((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+               (immediate_analyses ((last_usage Last))))))))))))
+      ((instr_desc
+        (MCleanup ()
+         (((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 7 Managed)
+           ((instr_desc
+             (MTupleOp (MTupleGet 0)
+              ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 8 Managed)
+           ((instr_desc
+             (MTupleOp (MTupleGet 1)
+              ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+               (immediate_analyses ((last_usage Last))))))))))))
+      ((instr_desc
+        (MCleanup ()
+         (((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))
+      ((instr_desc
+        (MDrop
+         ((instr_desc
+           (MSet (MLocalBind 0 Managed)
+            ((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+                (immediate_analyses ((last_usage Last)))))))))))))
+      ((instr_desc
+        (MDrop
+         ((instr_desc
+           (MSet (MLocalBind 1 Managed)
+            ((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+                (immediate_analyses ((last_usage Last)))))))))))))
+      ((instr_desc
+        (MDrop
+         ((instr_desc
+           (MSet (MLocalBind 3 Managed)
+            ((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmBinding (MLocalBind 8 Managed)))
+                (immediate_analyses ((last_usage Last)))))))))))))
+      ((instr_desc
+        (MDrop
+         ((instr_desc
+           (MSet (MLocalBind 2 Managed)
+            ((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+                (immediate_analyses ((last_usage Last)))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 9 Managed)
+           ((instr_desc
+             (MCallKnown (func +_1118)
+              (closure
+               ((immediate_desc
+                 (MIncRef
+                  ((immediate_desc
+                    (MImmBinding (MGlobalBind +_1118 Managed)))
+                   (immediate_analyses ((last_usage Unknown))))))
+                (immediate_analyses ((last_usage Unknown)))))
+              (func_type ((Managed Managed) (Managed)))
+              (args
+               (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+                 (immediate_analyses ((last_usage Last))))
+                ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+                 (immediate_analyses ((last_usage Last))))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 10 Managed)
+           ((instr_desc
+             (MCallKnown (func +_1118)
+              (closure
+               ((immediate_desc
+                 (MIncRef
+                  ((immediate_desc
+                    (MImmBinding (MGlobalBind +_1118 Managed)))
+                   (immediate_analyses ((last_usage Unknown))))))
+                (immediate_analyses ((last_usage Unknown)))))
+              (func_type ((Managed Managed) (Managed)))
+              (args
+               (((immediate_desc (MImmBinding (MLocalBind 9 Managed)))
+                 (immediate_analyses ((last_usage Last))))
+                ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+                 (immediate_analyses ((last_usage Last))))))))))))))
+      ((instr_desc
+        (MCleanup ()
+         (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))
+      ((instr_desc
+        (MReturnCallKnown (func +_1118)
+         (closure
+          ((immediate_desc
+            (MIncRef
+             ((immediate_desc (MImmBinding (MGlobalBind +_1118 Managed)))
+              (immediate_analyses ((last_usage Last))))))
+           (immediate_analyses ((last_usage Unknown)))))
+         (func_type ((Managed Managed) (Managed)))
+         (args
+          (((immediate_desc (MImmBinding (MLocalBind 10 Managed)))
+            (immediate_analyses ((last_usage Last))))
+           ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+            (immediate_analyses ((last_usage Last)))))))))))
+    (stack_size
+     ((stack_size_ptr 11) (stack_size_i32 0) (stack_size_i64 0)
+      (stack_size_f32 0) (stack_size_f64 0)))
+    (attrs ()))))
+ (imports
+  (((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 4)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func lam_lambda_1117)
+      (closure
+       ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+        (immediate_analyses ((last_usage Last)))))
+      (func_type ((Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 3) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/functions.9fd69835.0.snapshot b/compiler/test/__snapshots__/functions.9fd69835.0.snapshot
index 4776b9720..80544a2a7 100644
--- a/compiler/test/__snapshots__/functions.9fd69835.0.snapshot
+++ b/compiler/test/__snapshots__/functions.9fd69835.0.snapshot
@@ -1,83 +1,63 @@
 functions › shorthand_2
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1115 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1115 (param i32 i32 i32) (result i32)))
- (global $foo_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $foo_1113 (param $0 i32) (param $1 i32) (result i32)
-  (local $2 i32)
-  (local $3 i32)
-  (local $4 i32)
-  (local $5 i64)
-  (local $6 f32)
-  (local $7 f64)
-  (block $compile_block.2
-   (block $cleanup.1
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $0)
-     )
-    )
-   )
-   (return_call $+_1115
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $+_1115)
-    )
-    (local.get $1)
-    (i32.const 7)
-   )
-  )
- )
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.5
-   (block $compile_store.4
-    (global.set $foo_1113
-     (i32.const 0)
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (return_call $foo_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $foo_1113)
-    )
-    (i32.const 3)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions
+  (((id ((name foo))) (name (foo)) (args (Managed Managed))
+    (return_type (Managed)) (closure ())
+    (body
+     (((instr_desc
+        (MCleanup ()
+         (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))
+      ((instr_desc
+        (MReturnCallKnown (func +_1115)
+         (closure
+          ((immediate_desc
+            (MIncRef
+             ((immediate_desc (MImmBinding (MGlobalBind +_1115 Managed)))
+              (immediate_analyses ((last_usage Last))))))
+           (immediate_analyses ((last_usage Unknown)))))
+         (func_type ((Managed Managed) (Managed)))
+         (args
+          (((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+            (immediate_analyses ((last_usage Last))))
+           ((immediate_desc (MImmConst (MConstI32 3)))
+            (immediate_analyses ((last_usage Unknown)))))))))))
+    (stack_size
+     ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+      (stack_size_f32 0) (stack_size_f64 0)))
+    (attrs ()))))
+ (imports
+  (((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind foo_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func foo_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind foo_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name foo)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/functions.b37949b2.0.snapshot b/compiler/test/__snapshots__/functions.b37949b2.0.snapshot
index f9da9683a..99e3846bc 100644
--- a/compiler/test/__snapshots__/functions.b37949b2.0.snapshot
+++ b/compiler/test/__snapshots__/functions.b37949b2.0.snapshot
@@ -1,263 +1,163 @@
 functions › lam_destructure_4
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1117 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1117 (param i32 i32 i32) (result i32)))
- (global $foo_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $foo_1113 (param $0 i32) (param $1 i32) (result i32)
-  (local $2 i32)
-  (local $3 i32)
-  (local $4 i32)
-  (local $5 i64)
-  (local $6 f32)
-  (local $7 f64)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (local $13 i32)
-  (local $14 i32)
-  (block $compile_block.20
-   (block $compile_store.2
-    (local.set $8
-     (i32.const 0)
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (block $compile_store.4
-    (local.set $9
-     (i32.const 0)
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (block $compile_store.6
-    (local.set $10
-     (i32.const 0)
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.8
-    (local.set $11
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (local.get $1)
-      )
-     )
-    )
-    (block $do_backpatches.7
-    )
-   )
-   (block $compile_store.10
-    (local.set $12
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=12
-       (local.get $1)
-      )
-     )
-    )
-    (block $do_backpatches.9
-    )
-   )
-   (block $compile_store.12
-    (local.set $13
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=16
-       (local.get $1)
-      )
-     )
-    )
-    (block $do_backpatches.11
-    )
-   )
-   (block $cleanup.13
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $1)
-     )
-    )
-   )
-   (drop
-    (block $compile_set.14 (result i32)
-     (local.set $10
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $13)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $10)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.15 (result i32)
-     (local.set $9
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $12)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $9)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.16 (result i32)
-     (local.set $8
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $11)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $8)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (block $compile_store.18
-    (local.set $14
-     (call $+_1117
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $+_1117)
-      )
-      (local.get $8)
-      (local.get $9)
-     )
-    )
-    (block $do_backpatches.17
-    )
-   )
-   (block $cleanup.19
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $0)
-     )
-    )
-   )
-   (return_call $+_1117
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $+_1117)
-    )
-    (local.get $14)
-    (local.get $10)
-   )
-  )
- )
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.26
-   (block $compile_store.22
-    (global.set $foo_1113
-     (i32.const 0)
-    )
-    (block $do_backpatches.21
-    )
-   )
-   (block $compile_store.25
-    (local.set $6
-     (block $allocate_tuple.23 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 5)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 7)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.24
-    )
-   )
-   (return_call $foo_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $foo_1113)
-    )
-    (local.get $6)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions
+  (((id ((name foo))) (name (foo)) (args (Managed Managed))
+    (return_type (Managed)) (closure ())
+    (body
+     (((instr_desc
+        (MStore
+         (((MLocalBind 0 Managed)
+           ((instr_desc
+             (MImmediate
+              ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 1 Managed)
+           ((instr_desc
+             (MImmediate
+              ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 2 Managed)
+           ((instr_desc
+             (MImmediate
+              ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 3 Managed)
+           ((instr_desc
+             (MTupleOp (MTupleGet 0)
+              ((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 4 Managed)
+           ((instr_desc
+             (MTupleOp (MTupleGet 1)
+              ((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 5 Managed)
+           ((instr_desc
+             (MTupleOp (MTupleGet 2)
+              ((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+               (immediate_analyses ((last_usage Last))))))))))))
+      ((instr_desc
+        (MCleanup ()
+         (((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))
+      ((instr_desc
+        (MDrop
+         ((instr_desc
+           (MSet (MLocalBind 2 Managed)
+            ((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+                (immediate_analyses ((last_usage Last)))))))))))))
+      ((instr_desc
+        (MDrop
+         ((instr_desc
+           (MSet (MLocalBind 1 Managed)
+            ((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+                (immediate_analyses ((last_usage Last)))))))))))))
+      ((instr_desc
+        (MDrop
+         ((instr_desc
+           (MSet (MLocalBind 0 Managed)
+            ((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+                (immediate_analyses ((last_usage Last)))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 6 Managed)
+           ((instr_desc
+             (MCallKnown (func +_1117)
+              (closure
+               ((immediate_desc
+                 (MIncRef
+                  ((immediate_desc
+                    (MImmBinding (MGlobalBind +_1117 Managed)))
+                   (immediate_analyses ((last_usage Unknown))))))
+                (immediate_analyses ((last_usage Unknown)))))
+              (func_type ((Managed Managed) (Managed)))
+              (args
+               (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+                 (immediate_analyses ((last_usage Last))))
+                ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+                 (immediate_analyses ((last_usage Last))))))))))))))
+      ((instr_desc
+        (MCleanup ()
+         (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))
+      ((instr_desc
+        (MReturnCallKnown (func +_1117)
+         (closure
+          ((immediate_desc
+            (MIncRef
+             ((immediate_desc (MImmBinding (MGlobalBind +_1117 Managed)))
+              (immediate_analyses ((last_usage Last))))))
+           (immediate_analyses ((last_usage Unknown)))))
+         (func_type ((Managed Managed) (Managed)))
+         (args
+          (((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+            (immediate_analyses ((last_usage Last))))
+           ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+            (immediate_analyses ((last_usage Last)))))))))))
+    (stack_size
+     ((stack_size_ptr 7) (stack_size_i32 0) (stack_size_i64 0)
+      (stack_size_f32 0) (stack_size_f64 0)))
+    (attrs ()))))
+ (imports
+  (((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind foo_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func foo_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind foo_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name foo)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/functions.b3a8d88b.0.snapshot b/compiler/test/__snapshots__/functions.b3a8d88b.0.snapshot
index f53e729a6..c8101ce44 100644
--- a/compiler/test/__snapshots__/functions.b3a8d88b.0.snapshot
+++ b/compiler/test/__snapshots__/functions.b3a8d88b.0.snapshot
@@ -1,370 +1,224 @@
 functions › lam_destructure_8
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1118 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1118 (param i32 i32 i32) (result i32)))
- (global $foo_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $foo_1113 (param $0 i32) (param $1 i32) (result i32)
-  (local $2 i32)
-  (local $3 i32)
-  (local $4 i32)
-  (local $5 i64)
-  (local $6 f32)
-  (local $7 f64)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (local $13 i32)
-  (local $14 i32)
-  (local $15 i32)
-  (local $16 i32)
-  (local $17 i32)
-  (local $18 i32)
-  (block $compile_block.30
-   (block $compile_store.2
-    (local.set $8
-     (i32.const 0)
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (block $compile_store.4
-    (local.set $9
-     (i32.const 0)
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (block $compile_store.6
-    (local.set $10
-     (i32.const 0)
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.8
-    (local.set $11
-     (i32.const 0)
-    )
-    (block $do_backpatches.7
-    )
-   )
-   (block $compile_store.10
-    (local.set $12
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (local.get $1)
-      )
-     )
-    )
-    (block $do_backpatches.9
-    )
-   )
-   (block $compile_store.12
-    (local.set $13
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=12
-       (local.get $1)
-      )
-     )
-    )
-    (block $do_backpatches.11
-    )
-   )
-   (block $compile_store.14
-    (local.set $14
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=16
-       (local.get $1)
-      )
-     )
-    )
-    (block $do_backpatches.13
-    )
-   )
-   (block $cleanup.15
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $1)
-     )
-    )
-   )
-   (block $compile_store.17
-    (local.set $15
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (local.get $14)
-      )
-     )
-    )
-    (block $do_backpatches.16
-    )
-   )
-   (block $compile_store.19
-    (local.set $16
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=12
-       (local.get $14)
-      )
-     )
-    )
-    (block $do_backpatches.18
-    )
-   )
-   (block $cleanup.20
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $14)
-     )
-    )
-   )
-   (drop
-    (block $compile_set.21 (result i32)
-     (local.set $8
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $12)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $8)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.22 (result i32)
-     (local.set $9
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $13)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $9)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.23 (result i32)
-     (local.set $11
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $16)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $11)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.24 (result i32)
-     (local.set $10
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $15)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $10)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (block $compile_store.26
-    (local.set $17
-     (call $+_1118
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $+_1118)
-      )
-      (local.get $8)
-      (local.get $9)
-     )
-    )
-    (block $do_backpatches.25
-    )
-   )
-   (block $compile_store.28
-    (local.set $18
-     (call $+_1118
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $+_1118)
-      )
-      (local.get $17)
-      (local.get $10)
-     )
-    )
-    (block $do_backpatches.27
-    )
-   )
-   (block $cleanup.29
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $0)
-     )
-    )
-   )
-   (return_call $+_1118
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $+_1118)
-    )
-    (local.get $18)
-    (local.get $11)
-   )
-  )
- )
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.39
-   (block $compile_store.32
-    (global.set $foo_1113
-     (i32.const 0)
-    )
-    (block $do_backpatches.31
-    )
-   )
-   (block $compile_store.35
-    (local.set $6
-     (block $allocate_tuple.33 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 9)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.34
-    )
-   )
-   (block $compile_store.38
-    (local.set $7
-     (block $allocate_tuple.36 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 5)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (local.get $6)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.37
-    )
-   )
-   (return_call $foo_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $foo_1113)
-    )
-    (local.get $7)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions
+  (((id ((name foo))) (name (foo)) (args (Managed Managed))
+    (return_type (Managed)) (closure ())
+    (body
+     (((instr_desc
+        (MStore
+         (((MLocalBind 0 Managed)
+           ((instr_desc
+             (MImmediate
+              ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 1 Managed)
+           ((instr_desc
+             (MImmediate
+              ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 2 Managed)
+           ((instr_desc
+             (MImmediate
+              ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 3 Managed)
+           ((instr_desc
+             (MImmediate
+              ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 4 Managed)
+           ((instr_desc
+             (MTupleOp (MTupleGet 0)
+              ((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 5 Managed)
+           ((instr_desc
+             (MTupleOp (MTupleGet 1)
+              ((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 6 Managed)
+           ((instr_desc
+             (MTupleOp (MTupleGet 2)
+              ((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+               (immediate_analyses ((last_usage Last))))))))))))
+      ((instr_desc
+        (MCleanup ()
+         (((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 7 Managed)
+           ((instr_desc
+             (MTupleOp (MTupleGet 0)
+              ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 8 Managed)
+           ((instr_desc
+             (MTupleOp (MTupleGet 1)
+              ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+               (immediate_analyses ((last_usage Last))))))))))))
+      ((instr_desc
+        (MCleanup ()
+         (((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))
+      ((instr_desc
+        (MDrop
+         ((instr_desc
+           (MSet (MLocalBind 0 Managed)
+            ((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+                (immediate_analyses ((last_usage Last)))))))))))))
+      ((instr_desc
+        (MDrop
+         ((instr_desc
+           (MSet (MLocalBind 1 Managed)
+            ((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+                (immediate_analyses ((last_usage Last)))))))))))))
+      ((instr_desc
+        (MDrop
+         ((instr_desc
+           (MSet (MLocalBind 3 Managed)
+            ((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmBinding (MLocalBind 8 Managed)))
+                (immediate_analyses ((last_usage Last)))))))))))))
+      ((instr_desc
+        (MDrop
+         ((instr_desc
+           (MSet (MLocalBind 2 Managed)
+            ((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+                (immediate_analyses ((last_usage Last)))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 9 Managed)
+           ((instr_desc
+             (MCallKnown (func +_1118)
+              (closure
+               ((immediate_desc
+                 (MIncRef
+                  ((immediate_desc
+                    (MImmBinding (MGlobalBind +_1118 Managed)))
+                   (immediate_analyses ((last_usage Unknown))))))
+                (immediate_analyses ((last_usage Unknown)))))
+              (func_type ((Managed Managed) (Managed)))
+              (args
+               (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+                 (immediate_analyses ((last_usage Last))))
+                ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+                 (immediate_analyses ((last_usage Last))))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 10 Managed)
+           ((instr_desc
+             (MCallKnown (func +_1118)
+              (closure
+               ((immediate_desc
+                 (MIncRef
+                  ((immediate_desc
+                    (MImmBinding (MGlobalBind +_1118 Managed)))
+                   (immediate_analyses ((last_usage Unknown))))))
+                (immediate_analyses ((last_usage Unknown)))))
+              (func_type ((Managed Managed) (Managed)))
+              (args
+               (((immediate_desc (MImmBinding (MLocalBind 9 Managed)))
+                 (immediate_analyses ((last_usage Last))))
+                ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+                 (immediate_analyses ((last_usage Last))))))))))))))
+      ((instr_desc
+        (MCleanup ()
+         (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))
+      ((instr_desc
+        (MReturnCallKnown (func +_1118)
+         (closure
+          ((immediate_desc
+            (MIncRef
+             ((immediate_desc (MImmBinding (MGlobalBind +_1118 Managed)))
+              (immediate_analyses ((last_usage Last))))))
+           (immediate_analyses ((last_usage Unknown)))))
+         (func_type ((Managed Managed) (Managed)))
+         (args
+          (((immediate_desc (MImmBinding (MLocalBind 10 Managed)))
+            (immediate_analyses ((last_usage Last))))
+           ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+            (immediate_analyses ((last_usage Last)))))))))))
+    (stack_size
+     ((stack_size_ptr 11) (stack_size_i32 0) (stack_size_i64 0)
+      (stack_size_f32 0) (stack_size_f64 0)))
+    (attrs ()))))
+ (imports
+  (((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind foo_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 4)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func foo_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind foo_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 2) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name foo)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/functions.b632a2ab.0.snapshot b/compiler/test/__snapshots__/functions.b632a2ab.0.snapshot
index b1e84ed43..37c62d92f 100644
--- a/compiler/test/__snapshots__/functions.b632a2ab.0.snapshot
+++ b/compiler/test/__snapshots__/functions.b632a2ab.0.snapshot
@@ -1,108 +1,46 @@
 functions › lam_destructure_1
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $lam_lambda_1113 (param $0 i32) (param $1 i32) (result i32)
-  (local $2 i32)
-  (local $3 i32)
-  (local $4 i32)
-  (local $5 i64)
-  (local $6 f32)
-  (local $7 f64)
-  (block $compile_block.2 (result i32)
-   (tuple.extract 0
-    (tuple.make
-     (i32.const 11)
-     (block $cleanup.1 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $0)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $1)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.8
-   (block $compile_store.4
-    (local.set $6
-     (i32.const 0)
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (block $compile_store.7
-    (local.set $7
-     (block $allocate_string.5 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i64.store offset=8
-       (local.get $0)
-       (i64.const 7303014)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.6
-    )
-   )
-   (return_call $lam_lambda_1113
-    (local.get $6)
-    (local.get $7)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions
+  (((id ((name lam_lambda))) (name ()) (args (Managed Managed))
+    (return_type (Managed)) (closure ())
+    (body
+     (((instr_desc
+        (MCleanup
+         (((instr_desc
+            (MImmediate
+             ((immediate_desc (MImmConst (MConstI32 5)))
+              (immediate_analyses ((last_usage Unknown))))))))
+         (((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+           (immediate_analyses ((last_usage Unknown))))
+          ((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))))
+    (stack_size
+     ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+      (stack_size_f32 0) (stack_size_f64 0)))
+    (attrs ()))))
+ (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed) ((instr_desc (MAllocate (MString foo)))))))))
+   ((instr_desc
+     (MReturnCallKnown (func lam_lambda_1113)
+      (closure
+       ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+        (immediate_analyses ((last_usage Last)))))
+      (func_type ((Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 2) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/functions.c6e8a9aa.0.snapshot b/compiler/test/__snapshots__/functions.c6e8a9aa.0.snapshot
index ce918b714..0b72aa6a3 100644
--- a/compiler/test/__snapshots__/functions.c6e8a9aa.0.snapshot
+++ b/compiler/test/__snapshots__/functions.c6e8a9aa.0.snapshot
@@ -1,113 +1,49 @@
 functions › lam_destructure_2
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (global $foo_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $foo_1113 (param $0 i32) (param $1 i32) (result i32)
-  (local $2 i32)
-  (local $3 i32)
-  (local $4 i32)
-  (local $5 i64)
-  (local $6 f32)
-  (local $7 f64)
-  (block $compile_block.2 (result i32)
-   (tuple.extract 0
-    (tuple.make
-     (i32.const 11)
-     (block $cleanup.1 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $0)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $1)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.8
-   (block $compile_store.4
-    (global.set $foo_1113
-     (i32.const 0)
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (block $compile_store.7
-    (local.set $6
-     (block $allocate_string.5 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i64.store offset=8
-       (local.get $0)
-       (i64.const 7303014)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.6
-    )
-   )
-   (return_call $foo_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $foo_1113)
-    )
-    (local.get $6)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions
+  (((id ((name foo))) (name (foo)) (args (Managed Managed))
+    (return_type (Managed)) (closure ())
+    (body
+     (((instr_desc
+        (MCleanup
+         (((instr_desc
+            (MImmediate
+             ((immediate_desc (MImmConst (MConstI32 5)))
+              (immediate_analyses ((last_usage Unknown))))))))
+         (((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+           (immediate_analyses ((last_usage Unknown))))
+          ((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))))
+    (stack_size
+     ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+      (stack_size_f32 0) (stack_size_f64 0)))
+    (attrs ()))))
+ (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind foo_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed) ((instr_desc (MAllocate (MString foo)))))))))
+   ((instr_desc
+     (MReturnCallKnown (func foo_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind foo_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name foo)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/functions.ce978f54.0.snapshot b/compiler/test/__snapshots__/functions.ce978f54.0.snapshot
index 66f683d7f..552e37a9b 100644
--- a/compiler/test/__snapshots__/functions.ce978f54.0.snapshot
+++ b/compiler/test/__snapshots__/functions.ce978f54.0.snapshot
@@ -1,35 +1,13 @@
 functions › multi_bind2
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const 7)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstI32 3)))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/functions.d9466880.0.snapshot b/compiler/test/__snapshots__/functions.d9466880.0.snapshot
index 8a6c3d20c..5a292b400 100644
--- a/compiler/test/__snapshots__/functions.d9466880.0.snapshot
+++ b/compiler/test/__snapshots__/functions.d9466880.0.snapshot
@@ -1,239 +1,95 @@
 functions › func_record_associativity2
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_=>_i32 (func (param i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 1))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0) $lam_lambda_1121)
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $lam_lambda_1121 (param $0 i32) (result i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i32)
-  (local $4 i64)
-  (local $5 f32)
-  (local $6 f64)
-  (block $closure_elements.5 (result i32)
-   (block $compile_block.4 (result i32)
-    (tuple.extract 0
-     (tuple.make
-      (i32.const 2147483646)
-      (block $cleanup.3 (result i32)
-       (drop
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $0)
-        )
-       )
-       (i32.const 1879048190)
-      )
-     )
-    )
-   )
-  )
- )
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (block $compile_block.24 (result i32)
-   (block $compile_store.8
-    (local.set $6
-     (block $allocate_closure.6 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 6)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.add
-        (global.get $relocBase_0)
-        (i32.const 0)
-       )
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.7
-     (local.set $0
-      (local.get $6)
-     )
-    )
-   )
-   (block $compile_store.11
-    (local.set $7
-     (block $allocate_record.9 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 3)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1631403427)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2227)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (local.get $6)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.10
-    )
-   )
-   (block $compile_store.14
-    (local.set $8
-     (block $allocate_record.12 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 3)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 485893719)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2229)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (local.get $7)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.13
-    )
-   )
-   (block $compile_store.16
-    (local.set $9
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=16
-       (local.get $8)
-      )
-     )
-    )
-    (block $do_backpatches.15
-    )
-   )
-   (block $cleanup.17
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $8)
-     )
-    )
-   )
-   (block $compile_store.19
-    (local.set $10
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=16
-       (local.get $9)
-      )
-     )
-    )
-    (block $do_backpatches.18
-    )
-   )
-   (block $cleanup.20
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $9)
-     )
-    )
-   )
-   (block $compile_store.23
-    (local.set $11
-     (block $call_lambda.21 (result i32)
-      (local.set $0
-       (local.get $10)
-      )
-      (call_indirect (type $i32_=>_i32)
-       (local.get $0)
-       (i32.load offset=8
-        (local.get $0)
-       )
-      )
-     )
-    )
-    (block $do_backpatches.22
-    )
-   )
-   (i32.xor
-    (local.get $11)
-    (i32.const -2147483648)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 626
-)
+((functions
+  (((id ((name lam_lambda))) (name ()) (args (Managed))
+    (return_type ((Unmanaged WasmI32))) (closure (0))
+    (body
+     (((instr_desc
+        (MCleanup
+         (((instr_desc
+            (MImmediate
+             ((immediate_desc
+               (MImmConst (MConstLiteral (MConstI32 2147483646))))
+              (immediate_analyses ((last_usage Unknown))))))))
+         (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))))
+    (stack_size
+     ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+      (stack_size_f32 0) (stack_size_f64 0)))
+    (attrs ()))))
+ (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MClosure
+            ((func_idx (0)) (global_offset function_table_global_1125)
+             (arity 1) (variables ())))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MRecord
+            ((immediate_desc (MImmConst (MConstI32 815701713)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1113)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((g)
+              ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+               (immediate_analyses ((last_usage Last)))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MAllocate
+           (MRecord
+            ((immediate_desc (MImmConst (MConstI32 242946859)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1114)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((f)
+              ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+               (immediate_analyses ((last_usage Last)))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MRecordOp (MRecordGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 Managed)
+        ((instr_desc
+          (MRecordOp (MRecordGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MCallIndirect
+           (func
+            ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+             (immediate_analyses ((last_usage Last)))))
+           (func_type (() ((Unmanaged WasmI32)))) (args ())))))))))
+   ((instr_desc
+     (MPrim1 Not
+      ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 5) (stack_size_i32 1) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements (lam_lambda_1121))
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/functions.e6c6212b.0.snapshot b/compiler/test/__snapshots__/functions.e6c6212b.0.snapshot
index 99de1e8a5..dacc10aa8 100644
--- a/compiler/test/__snapshots__/functions.e6c6212b.0.snapshot
+++ b/compiler/test/__snapshots__/functions.e6c6212b.0.snapshot
@@ -1,84 +1,65 @@
 functions › fn_trailing_comma
-(module
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1116 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1116 (param i32 i32 i32) (result i32)))
- (global $testFn_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $testFn_1113 (param $0 i32) (param $1 i32) (param $2 i32) (result i32)
-  (local $3 i32)
-  (local $4 i32)
-  (local $5 i32)
-  (local $6 i64)
-  (local $7 f32)
-  (local $8 f64)
-  (block $compile_block.2
-   (block $cleanup.1
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $0)
-     )
-    )
-   )
-   (return_call $+_1116
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $+_1116)
-    )
-    (local.get $1)
-    (local.get $2)
-   )
-  )
- )
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.5
-   (block $compile_store.4
-    (global.set $testFn_1113
-     (i32.const 0)
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (return_call $testFn_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $testFn_1113)
-    )
-    (i32.const 5)
-    (i32.const 7)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions
+  (((id ((name testFn))) (name (testFn)) (args (Managed Managed Managed))
+    (return_type (Managed)) (closure ())
+    (body
+     (((instr_desc
+        (MCleanup ()
+         (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))
+      ((instr_desc
+        (MReturnCallKnown (func +_1116)
+         (closure
+          ((immediate_desc
+            (MIncRef
+             ((immediate_desc (MImmBinding (MGlobalBind +_1116 Managed)))
+              (immediate_analyses ((last_usage Last))))))
+           (immediate_analyses ((last_usage Unknown)))))
+         (func_type ((Managed Managed) (Managed)))
+         (args
+          (((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+            (immediate_analyses ((last_usage Last))))
+           ((immediate_desc (MImmBinding (MArgBind 2 Managed)))
+            (immediate_analyses ((last_usage Last)))))))))))
+    (stack_size
+     ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+      (stack_size_f32 0) (stack_size_f64 0)))
+    (attrs ()))))
+ (imports
+  (((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind testFn_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func testFn_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind testFn_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 2)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 3)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name testFn)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/functions.f400bb7b.0.snapshot b/compiler/test/__snapshots__/functions.f400bb7b.0.snapshot
index 5ae53c6b0..eeec45e07 100644
--- a/compiler/test/__snapshots__/functions.f400bb7b.0.snapshot
+++ b/compiler/test/__snapshots__/functions.f400bb7b.0.snapshot
@@ -1,413 +1,259 @@
 functions › lam_destructure_6
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1119 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1119 (param i32 i32 i32) (result i32)))
- (global $foo_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $foo_1113 (param $0 i32) (param $1 i32) (param $2 i32) (result i32)
-  (local $3 i32)
-  (local $4 i32)
-  (local $5 i32)
-  (local $6 i64)
-  (local $7 f32)
-  (local $8 f64)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (local $13 i32)
-  (local $14 i32)
-  (local $15 i32)
-  (local $16 i32)
-  (local $17 i32)
-  (local $18 i32)
-  (local $19 i32)
-  (local $20 i32)
-  (local $21 i32)
-  (block $compile_block.35
-   (block $compile_store.2
-    (local.set $9
-     (i32.const 0)
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (block $compile_store.4
-    (local.set $10
-     (i32.const 0)
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (block $compile_store.6
-    (local.set $11
-     (i32.const 0)
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.8
-    (local.set $12
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (local.get $1)
-      )
-     )
-    )
-    (block $do_backpatches.7
-    )
-   )
-   (block $compile_store.10
-    (local.set $13
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=12
-       (local.get $1)
-      )
-     )
-    )
-    (block $do_backpatches.9
-    )
-   )
-   (block $compile_store.12
-    (local.set $14
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=16
-       (local.get $1)
-      )
-     )
-    )
-    (block $do_backpatches.11
-    )
-   )
-   (block $cleanup.13
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $1)
-     )
-    )
-   )
-   (drop
-    (block $compile_set.14 (result i32)
-     (local.set $11
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $14)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $11)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.15 (result i32)
-     (local.set $10
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $13)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $10)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.16 (result i32)
-     (local.set $9
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $12)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $9)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (block $compile_store.18
-    (local.set $15
-     (i32.const 0)
-    )
-    (block $do_backpatches.17
-    )
-   )
-   (block $compile_store.20
-    (local.set $16
-     (i32.const 0)
-    )
-    (block $do_backpatches.19
-    )
-   )
-   (block $compile_store.22
-    (local.set $17
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (local.get $2)
-      )
-     )
-    )
-    (block $do_backpatches.21
-    )
-   )
-   (block $compile_store.24
-    (local.set $18
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=12
-       (local.get $2)
-      )
-     )
-    )
-    (block $do_backpatches.23
-    )
-   )
-   (block $cleanup.25
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $2)
-     )
-    )
-   )
-   (drop
-    (block $compile_set.26 (result i32)
-     (local.set $16
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $18)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $16)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.27 (result i32)
-     (local.set $15
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $17)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $15)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (block $compile_store.29
-    (local.set $19
-     (call $+_1119
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $+_1119)
-      )
-      (local.get $9)
-      (local.get $10)
-     )
-    )
-    (block $do_backpatches.28
-    )
-   )
-   (block $compile_store.31
-    (local.set $20
-     (call $+_1119
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $+_1119)
-      )
-      (local.get $19)
-      (local.get $11)
-     )
-    )
-    (block $do_backpatches.30
-    )
-   )
-   (block $compile_store.33
-    (local.set $21
-     (call $+_1119
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $+_1119)
-      )
-      (local.get $20)
-      (local.get $15)
-     )
-    )
-    (block $do_backpatches.32
-    )
-   )
-   (block $cleanup.34
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $0)
-     )
-    )
-   )
-   (return_call $+_1119
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $+_1119)
-    )
-    (local.get $21)
-    (local.get $16)
-   )
-  )
- )
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.44
-   (block $compile_store.37
-    (global.set $foo_1113
-     (i32.const 0)
-    )
-    (block $do_backpatches.36
-    )
-   )
-   (block $compile_store.40
-    (local.set $6
-     (block $allocate_tuple.38 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 5)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 7)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.39
-    )
-   )
-   (block $compile_store.43
-    (local.set $7
-     (block $allocate_tuple.41 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 9)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 11)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.42
-    )
-   )
-   (return_call $foo_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $foo_1113)
-    )
-    (local.get $6)
-    (local.get $7)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions
+  (((id ((name foo))) (name (foo)) (args (Managed Managed Managed))
+    (return_type (Managed)) (closure ())
+    (body
+     (((instr_desc
+        (MStore
+         (((MLocalBind 0 Managed)
+           ((instr_desc
+             (MImmediate
+              ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 1 Managed)
+           ((instr_desc
+             (MImmediate
+              ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 2 Managed)
+           ((instr_desc
+             (MImmediate
+              ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 3 Managed)
+           ((instr_desc
+             (MTupleOp (MTupleGet 0)
+              ((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 4 Managed)
+           ((instr_desc
+             (MTupleOp (MTupleGet 1)
+              ((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 5 Managed)
+           ((instr_desc
+             (MTupleOp (MTupleGet 2)
+              ((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+               (immediate_analyses ((last_usage Last))))))))))))
+      ((instr_desc
+        (MCleanup ()
+         (((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))
+      ((instr_desc
+        (MDrop
+         ((instr_desc
+           (MSet (MLocalBind 2 Managed)
+            ((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+                (immediate_analyses ((last_usage Last)))))))))))))
+      ((instr_desc
+        (MDrop
+         ((instr_desc
+           (MSet (MLocalBind 1 Managed)
+            ((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+                (immediate_analyses ((last_usage Last)))))))))))))
+      ((instr_desc
+        (MDrop
+         ((instr_desc
+           (MSet (MLocalBind 0 Managed)
+            ((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+                (immediate_analyses ((last_usage Last)))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 6 Managed)
+           ((instr_desc
+             (MImmediate
+              ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 7 Managed)
+           ((instr_desc
+             (MImmediate
+              ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 8 Managed)
+           ((instr_desc
+             (MTupleOp (MTupleGet 0)
+              ((immediate_desc (MImmBinding (MArgBind 2 Managed)))
+               (immediate_analyses ((last_usage Unknown))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 9 Managed)
+           ((instr_desc
+             (MTupleOp (MTupleGet 1)
+              ((immediate_desc (MImmBinding (MArgBind 2 Managed)))
+               (immediate_analyses ((last_usage Last))))))))))))
+      ((instr_desc
+        (MCleanup ()
+         (((immediate_desc (MImmBinding (MArgBind 2 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))
+      ((instr_desc
+        (MDrop
+         ((instr_desc
+           (MSet (MLocalBind 7 Managed)
+            ((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmBinding (MLocalBind 9 Managed)))
+                (immediate_analyses ((last_usage Last)))))))))))))
+      ((instr_desc
+        (MDrop
+         ((instr_desc
+           (MSet (MLocalBind 6 Managed)
+            ((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmBinding (MLocalBind 8 Managed)))
+                (immediate_analyses ((last_usage Last)))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 10 Managed)
+           ((instr_desc
+             (MCallKnown (func +_1119)
+              (closure
+               ((immediate_desc
+                 (MIncRef
+                  ((immediate_desc
+                    (MImmBinding (MGlobalBind +_1119 Managed)))
+                   (immediate_analyses ((last_usage Unknown))))))
+                (immediate_analyses ((last_usage Unknown)))))
+              (func_type ((Managed Managed) (Managed)))
+              (args
+               (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+                 (immediate_analyses ((last_usage Last))))
+                ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+                 (immediate_analyses ((last_usage Last))))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 11 Managed)
+           ((instr_desc
+             (MCallKnown (func +_1119)
+              (closure
+               ((immediate_desc
+                 (MIncRef
+                  ((immediate_desc
+                    (MImmBinding (MGlobalBind +_1119 Managed)))
+                   (immediate_analyses ((last_usage Unknown))))))
+                (immediate_analyses ((last_usage Unknown)))))
+              (func_type ((Managed Managed) (Managed)))
+              (args
+               (((immediate_desc (MImmBinding (MLocalBind 10 Managed)))
+                 (immediate_analyses ((last_usage Last))))
+                ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+                 (immediate_analyses ((last_usage Last))))))))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 12 Managed)
+           ((instr_desc
+             (MCallKnown (func +_1119)
+              (closure
+               ((immediate_desc
+                 (MIncRef
+                  ((immediate_desc
+                    (MImmBinding (MGlobalBind +_1119 Managed)))
+                   (immediate_analyses ((last_usage Unknown))))))
+                (immediate_analyses ((last_usage Unknown)))))
+              (func_type ((Managed Managed) (Managed)))
+              (args
+               (((immediate_desc (MImmBinding (MLocalBind 11 Managed)))
+                 (immediate_analyses ((last_usage Last))))
+                ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+                 (immediate_analyses ((last_usage Last))))))))))))))
+      ((instr_desc
+        (MCleanup ()
+         (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))
+      ((instr_desc
+        (MReturnCallKnown (func +_1119)
+         (closure
+          ((immediate_desc
+            (MIncRef
+             ((immediate_desc (MImmBinding (MGlobalBind +_1119 Managed)))
+              (immediate_analyses ((last_usage Last))))))
+           (immediate_analyses ((last_usage Unknown)))))
+         (func_type ((Managed Managed) (Managed)))
+         (args
+          (((immediate_desc (MImmBinding (MLocalBind 12 Managed)))
+            (immediate_analyses ((last_usage Last))))
+           ((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+            (immediate_analyses ((last_usage Last)))))))))))
+    (stack_size
+     ((stack_size_ptr 13) (stack_size_i32 0) (stack_size_i64 0)
+      (stack_size_f32 0) (stack_size_f64 0)))
+    (attrs ()))))
+ (imports
+  (((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind foo_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 4)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 5)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func foo_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind foo_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+         (immediate_analyses ((last_usage Last))))
+        ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 2) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name foo)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/functions.f647681b.0.snapshot b/compiler/test/__snapshots__/functions.f647681b.0.snapshot
index ef38b0765..f38710b80 100644
--- a/compiler/test/__snapshots__/functions.f647681b.0.snapshot
+++ b/compiler/test/__snapshots__/functions.f647681b.0.snapshot
@@ -1,183 +1,71 @@
 functions › func_record_associativity1
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_=>_i32 (func (param i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 1))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0) $lam_lambda_1118)
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $lam_lambda_1118 (param $0 i32) (result i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i32)
-  (local $4 i64)
-  (local $5 f32)
-  (local $6 f64)
-  (block $closure_elements.5 (result i32)
-   (block $compile_block.4 (result i32)
-    (tuple.extract 0
-     (tuple.make
-      (i32.const 2147483646)
-      (block $cleanup.3 (result i32)
-       (drop
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $0)
-        )
-       )
-       (i32.const 1879048190)
-      )
-     )
-    )
-   )
-  )
- )
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (block $compile_block.18 (result i32)
-   (block $compile_store.8
-    (local.set $6
-     (block $allocate_closure.6 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 6)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.add
-        (global.get $relocBase_0)
-        (i32.const 0)
-       )
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.7
-     (local.set $0
-      (local.get $6)
-     )
-    )
-   )
-   (block $compile_store.11
-    (local.set $7
-     (block $allocate_record.9 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 3)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 485893719)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2227)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (local.get $6)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.10
-    )
-   )
-   (block $compile_store.13
-    (local.set $8
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=16
-       (local.get $7)
-      )
-     )
-    )
-    (block $do_backpatches.12
-    )
-   )
-   (block $cleanup.14
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $7)
-     )
-    )
-   )
-   (block $compile_store.17
-    (local.set $9
-     (block $call_lambda.15 (result i32)
-      (local.set $0
-       (local.get $8)
-      )
-      (call_indirect (type $i32_=>_i32)
-       (local.get $0)
-       (i32.load offset=8
-        (local.get $0)
-       )
-      )
-     )
-    )
-    (block $do_backpatches.16
-    )
-   )
-   (i32.xor
-    (local.get $9)
-    (i32.const -2147483648)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 496
-)
+((functions
+  (((id ((name lam_lambda))) (name ()) (args (Managed))
+    (return_type ((Unmanaged WasmI32))) (closure (0))
+    (body
+     (((instr_desc
+        (MCleanup
+         (((instr_desc
+            (MImmediate
+             ((immediate_desc
+               (MImmConst (MConstLiteral (MConstI32 2147483646))))
+              (immediate_analyses ((last_usage Unknown))))))))
+         (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))))
+    (stack_size
+     ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+      (stack_size_f32 0) (stack_size_f64 0)))
+    (attrs ()))))
+ (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MClosure
+            ((func_idx (0)) (global_offset function_table_global_1121)
+             (arity 1) (variables ())))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MRecord
+            ((immediate_desc (MImmConst (MConstI32 242946859)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1113)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((f)
+              ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+               (immediate_analyses ((last_usage Last)))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MRecordOp (MRecordGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MCallIndirect
+           (func
+            ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+             (immediate_analyses ((last_usage Last)))))
+           (func_type (() ((Unmanaged WasmI32)))) (args ())))))))))
+   ((instr_desc
+     (MPrim1 Not
+      ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 3) (stack_size_i32 1) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements (lam_lambda_1118))
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/includes.1d829099.0.snapshot b/compiler/test/__snapshots__/includes.1d829099.0.snapshot
index 4731179f7..9a7cbceb9 100644
--- a/compiler/test/__snapshots__/includes.1d829099.0.snapshot
+++ b/compiler/test/__snapshots__/includes.1d829099.0.snapshot
@@ -1,36 +1,18 @@
 includes › include_relative_path2
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$../../test/test-libs/provideAll.gr\" \"GRAIN$EXPORT$x\" (global $x_1122 (mut i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (global.get $x_1122)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 453
-)
+((functions ())
+ (imports
+  (((mimp_id ((name x))) (mimp_mod ../../test/test-libs/provideAll.gr)
+    (mimp_name x) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmBinding (MGlobalBind x_1122 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/includes.46f78654.0.snapshot b/compiler/test/__snapshots__/includes.46f78654.0.snapshot
index cfa601d01..d86c564f4 100644
--- a/compiler/test/__snapshots__/includes.46f78654.0.snapshot
+++ b/compiler/test/__snapshots__/includes.46f78654.0.snapshot
@@ -1,50 +1,36 @@
 includes › include_some_multiple
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$provideAll.gr\" \"GRAIN$EXPORT$x\" (global $x_1123 (mut i32)))
- (import \"GRAIN$MODULE$provideAll.gr\" \"GRAIN$EXPORT$y\" (global $y_1122 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$provideAll.gr\" \"y\" (func $y_1122 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $y_1122
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $y_1122)
-    )
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $x_1123)
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 421
-)
+((functions ())
+ (imports
+  (((mimp_id ((name x))) (mimp_mod provideAll.gr) (mimp_name x)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((name y))) (mimp_mod provideAll.gr) (mimp_name y)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32)) ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name y))) (mimp_mod provideAll.gr) (mimp_name y)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func y_1122)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind y_1122 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed) (Managed)))
+      (args
+       (((immediate_desc
+          (MIncRef
+           ((immediate_desc (MImmBinding (MGlobalBind x_1123 Managed)))
+            (immediate_analyses ((last_usage Last))))))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/includes.5dfba7dd.0.snapshot b/compiler/test/__snapshots__/includes.5dfba7dd.0.snapshot
index 11a9fba19..2f34a20f3 100644
--- a/compiler/test/__snapshots__/includes.5dfba7dd.0.snapshot
+++ b/compiler/test/__snapshots__/includes.5dfba7dd.0.snapshot
@@ -1,36 +1,18 @@
 includes › include_alias
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$provideAll.gr\" \"GRAIN$EXPORT$x\" (global $x_1122 (mut i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (global.get $x_1122)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 421
-)
+((functions ())
+ (imports
+  (((mimp_id ((name x))) (mimp_mod provideAll.gr) (mimp_name x)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmBinding (MGlobalBind x_1122 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/includes.6c8d23dc.0.snapshot b/compiler/test/__snapshots__/includes.6c8d23dc.0.snapshot
index eac4043ae..65be517fc 100644
--- a/compiler/test/__snapshots__/includes.6c8d23dc.0.snapshot
+++ b/compiler/test/__snapshots__/includes.6c8d23dc.0.snapshot
@@ -1,50 +1,36 @@
 includes › include_some_multiple_trailing2
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$provideAll.gr\" \"GRAIN$EXPORT$x\" (global $x_1123 (mut i32)))
- (import \"GRAIN$MODULE$provideAll.gr\" \"GRAIN$EXPORT$y\" (global $y_1122 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$provideAll.gr\" \"y\" (func $y_1122 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $y_1122
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $y_1122)
-    )
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $x_1123)
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 421
-)
+((functions ())
+ (imports
+  (((mimp_id ((name x))) (mimp_mod provideAll.gr) (mimp_name x)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((name y))) (mimp_mod provideAll.gr) (mimp_name y)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32)) ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name y))) (mimp_mod provideAll.gr) (mimp_name y)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func y_1122)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind y_1122 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed) (Managed)))
+      (args
+       (((immediate_desc
+          (MIncRef
+           ((immediate_desc (MImmBinding (MGlobalBind x_1123 Managed)))
+            (immediate_analyses ((last_usage Last))))))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/includes.6e78c003.0.snapshot b/compiler/test/__snapshots__/includes.6e78c003.0.snapshot
index 409acc60d..2cd370a1a 100644
--- a/compiler/test/__snapshots__/includes.6e78c003.0.snapshot
+++ b/compiler/test/__snapshots__/includes.6e78c003.0.snapshot
@@ -1,50 +1,36 @@
 includes › include_some_multiple_trailing
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$provideAll.gr\" \"GRAIN$EXPORT$x\" (global $x_1123 (mut i32)))
- (import \"GRAIN$MODULE$provideAll.gr\" \"GRAIN$EXPORT$y\" (global $y_1122 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$provideAll.gr\" \"y\" (func $y_1122 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $y_1122
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $y_1122)
-    )
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $x_1123)
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 421
-)
+((functions ())
+ (imports
+  (((mimp_id ((name x))) (mimp_mod provideAll.gr) (mimp_name x)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((name y))) (mimp_mod provideAll.gr) (mimp_name y)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32)) ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name y))) (mimp_mod provideAll.gr) (mimp_name y)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func y_1122)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind y_1122 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed) (Managed)))
+      (args
+       (((immediate_desc
+          (MIncRef
+           ((immediate_desc (MImmBinding (MGlobalBind x_1123 Managed)))
+            (immediate_analyses ((last_usage Last))))))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/includes.7afbe731.0.snapshot b/compiler/test/__snapshots__/includes.7afbe731.0.snapshot
index 8a1362513..3e6ddfee4 100644
--- a/compiler/test/__snapshots__/includes.7afbe731.0.snapshot
+++ b/compiler/test/__snapshots__/includes.7afbe731.0.snapshot
@@ -1,36 +1,18 @@
 includes › include_some
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$provideAll.gr\" \"GRAIN$EXPORT$x\" (global $x_1122 (mut i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (global.get $x_1122)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 421
-)
+((functions ())
+ (imports
+  (((mimp_id ((name x))) (mimp_mod provideAll.gr) (mimp_name x)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmBinding (MGlobalBind x_1122 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/includes.8222ee98.0.snapshot b/compiler/test/__snapshots__/includes.8222ee98.0.snapshot
index 7027f8dcd..ef665bbda 100644
--- a/compiler/test/__snapshots__/includes.8222ee98.0.snapshot
+++ b/compiler/test/__snapshots__/includes.8222ee98.0.snapshot
@@ -1,36 +1,18 @@
 includes › include_module
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$provideAll.gr\" \"GRAIN$EXPORT$x\" (global $x_1122 (mut i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (global.get $x_1122)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 421
-)
+((functions ())
+ (imports
+  (((mimp_id ((name x))) (mimp_mod provideAll.gr) (mimp_name x)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmBinding (MGlobalBind x_1122 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/includes.86ff4075.0.snapshot b/compiler/test/__snapshots__/includes.86ff4075.0.snapshot
index 5fd103436..cc8fda1b6 100644
--- a/compiler/test/__snapshots__/includes.86ff4075.0.snapshot
+++ b/compiler/test/__snapshots__/includes.86ff4075.0.snapshot
@@ -1,50 +1,36 @@
 includes › include_alias_multiple
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$provideAll.gr\" \"GRAIN$EXPORT$x\" (global $x_1123 (mut i32)))
- (import \"GRAIN$MODULE$provideAll.gr\" \"GRAIN$EXPORT$y\" (global $y_1122 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$provideAll.gr\" \"y\" (func $y_1122 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $y_1122
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $y_1122)
-    )
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $x_1123)
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 421
-)
+((functions ())
+ (imports
+  (((mimp_id ((name x))) (mimp_mod provideAll.gr) (mimp_name x)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((name y))) (mimp_mod provideAll.gr) (mimp_name y)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32)) ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name y))) (mimp_mod provideAll.gr) (mimp_name y)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func y_1122)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind y_1122 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed) (Managed)))
+      (args
+       (((immediate_desc
+          (MIncRef
+           ((immediate_desc (MImmBinding (MGlobalBind x_1123 Managed)))
+            (immediate_analyses ((last_usage Last))))))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/includes.a3212bd0.0.snapshot b/compiler/test/__snapshots__/includes.a3212bd0.0.snapshot
index 45a9450f9..002219a80 100644
--- a/compiler/test/__snapshots__/includes.a3212bd0.0.snapshot
+++ b/compiler/test/__snapshots__/includes.a3212bd0.0.snapshot
@@ -1,36 +1,18 @@
 includes › include_relative_path3
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$nested/nested.gr\" \"GRAIN$EXPORT$j\" (global $j_1116 (mut i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (global.get $j_1116)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 435
-)
+((functions ())
+ (imports
+  (((mimp_id ((name j))) (mimp_mod nested/nested.gr) (mimp_name j)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmBinding (MGlobalBind j_1116 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/includes.b3434679.0.snapshot b/compiler/test/__snapshots__/includes.b3434679.0.snapshot
index 981458dbf..c80b06659 100644
--- a/compiler/test/__snapshots__/includes.b3434679.0.snapshot
+++ b/compiler/test/__snapshots__/includes.b3434679.0.snapshot
@@ -1,108 +1,35 @@
 includes › include_some_constructor
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.5 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_adt.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1218386633)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2243)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $allocate_adt.4 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 28)
-      )
-     )
-     (i32.const 2)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 1218386633)
-    )
-    (i32.store offset=8
-     (local.get $0)
-     (i32.const 2243)
-    )
-    (i32.store offset=12
-     (local.get $0)
-     (i32.const 3)
-    )
-    (i32.store offset=16
-     (local.get $0)
-     (i32.const 2)
-    )
-    (i32.store offset=20
-     (local.get $0)
-     (i32.const 11)
-    )
-    (i32.store offset=24
-     (local.get $0)
-     (local.get $6)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 417
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 609193316)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1121)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MAllocate
+      (MADT
+       ((immediate_desc (MImmConst (MConstI32 609193316)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmConst (MConstI32 1121)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmConst (MConstI32 1)))
+        (immediate_analyses ((last_usage Unknown))))
+       (((immediate_desc (MImmConst (MConstI32 5)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/includes.bd3eb3af.0.snapshot b/compiler/test/__snapshots__/includes.bd3eb3af.0.snapshot
index c46804bb9..0a492bea1 100644
--- a/compiler/test/__snapshots__/includes.bd3eb3af.0.snapshot
+++ b/compiler/test/__snapshots__/includes.bd3eb3af.0.snapshot
@@ -1,126 +1,59 @@
 includes › include_some_mixed
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$tlists.gr\" \"GRAIN$EXPORT$sum\" (global $sum_1126 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$tlists.gr\" \"sum\" (func $sum_1126 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.7
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_adt.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1218386633)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2243)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_adt.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1218386633)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2243)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $6)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (return_call $sum_1126
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $sum_1126)
-    )
-    (local.get $7)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 417
-)
+((functions ())
+ (imports
+  (((mimp_id ((name sum))) (mimp_mod tlists.gr) (mimp_name sum)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32)) ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name sum))) (mimp_mod tlists.gr) (mimp_name sum)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 609193316)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1121)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 609193316)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1121)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 5)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func sum_1126)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind sum_1126 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 2) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/includes.beda767e.0.snapshot b/compiler/test/__snapshots__/includes.beda767e.0.snapshot
index f7c605b7f..01fe68ee3 100644
--- a/compiler/test/__snapshots__/includes.beda767e.0.snapshot
+++ b/compiler/test/__snapshots__/includes.beda767e.0.snapshot
@@ -1,36 +1,18 @@
 includes › include_relative_path1
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$../test-libs/provideAll.gr\" \"GRAIN$EXPORT$x\" (global $x_1122 (mut i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (global.get $x_1122)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 446
-)
+((functions ())
+ (imports
+  (((mimp_id ((name x))) (mimp_mod ../test-libs/provideAll.gr) (mimp_name x)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmBinding (MGlobalBind x_1122 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/includes.c0c0d5ca.0.snapshot b/compiler/test/__snapshots__/includes.c0c0d5ca.0.snapshot
index 92f4e5f89..cf7b1fc9b 100644
--- a/compiler/test/__snapshots__/includes.c0c0d5ca.0.snapshot
+++ b/compiler/test/__snapshots__/includes.c0c0d5ca.0.snapshot
@@ -1,101 +1,68 @@
 includes › include_relative_path4
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$./bar/bar.gr\" \"GRAIN$EXPORT$bar\" (global $bar_1119 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$print\" (global $print_1116 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$./bar/bar.gr\" \"bar\" (func $bar_1119 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"print\" (func $print_1116 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.6
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_adt.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 501102191)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.5
-    (local.set $7
-     (call $bar_1119
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $bar_1119)
-      )
-      (i32.const 5)
-     )
-    )
-    (block $do_backpatches.4
-    )
-   )
-   (return_call $print_1116
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $print_1116)
-    )
-    (local.get $7)
-    (local.get $6)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 419
-)
+((functions ())
+ (imports
+  (((mimp_id ((name bar))) (mimp_mod ./bar/bar.gr) (mimp_name bar)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32)) ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name bar))) (mimp_mod ./bar/bar.gr) (mimp_name bar)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((name print))) (mimp_mod pervasives.gr) (mimp_name print)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name print))) (mimp_mod pervasives.gr) (mimp_name print)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 250551095)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 3)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MCallKnown (func bar_1119)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind bar_1119 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed) (Managed)))
+           (args
+            (((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func print_1116)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind print_1116 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+         (immediate_analyses ((last_usage Last))))
+        ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 2) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/includes.c62f45f8.0.snapshot b/compiler/test/__snapshots__/includes.c62f45f8.0.snapshot
index 1c4348609..10d256711 100644
--- a/compiler/test/__snapshots__/includes.c62f45f8.0.snapshot
+++ b/compiler/test/__snapshots__/includes.c62f45f8.0.snapshot
@@ -1,114 +1,43 @@
 includes › include_muliple_modules
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$provideAll.gr\" \"GRAIN$EXPORT$x\" (global $x_1136 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.5 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_adt.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1218386633)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2243)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $allocate_adt.4 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 28)
-      )
-     )
-     (i32.const 2)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 1218386633)
-    )
-    (i32.store offset=8
-     (local.get $0)
-     (i32.const 2243)
-    )
-    (i32.store offset=12
-     (local.get $0)
-     (i32.const 3)
-    )
-    (i32.store offset=16
-     (local.get $0)
-     (i32.const 2)
-    )
-    (i32.store offset=20
-     (local.get $0)
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (global.get $x_1136)
-     )
-    )
-    (i32.store offset=24
-     (local.get $0)
-     (local.get $6)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 470
-)
+((functions ())
+ (imports
+  (((mimp_id ((name x))) (mimp_mod provideAll.gr) (mimp_name x)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 609193316)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1121)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MAllocate
+      (MADT
+       ((immediate_desc (MImmConst (MConstI32 609193316)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmConst (MConstI32 1121)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmConst (MConstI32 1)))
+        (immediate_analyses ((last_usage Unknown))))
+       (((immediate_desc
+          (MIncRef
+           ((immediate_desc (MImmBinding (MGlobalBind x_1136 Managed)))
+            (immediate_analyses ((last_usage Last))))))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/includes.cedde8e9.0.snapshot b/compiler/test/__snapshots__/includes.cedde8e9.0.snapshot
index 706b117ef..b6e9a9667 100644
--- a/compiler/test/__snapshots__/includes.cedde8e9.0.snapshot
+++ b/compiler/test/__snapshots__/includes.cedde8e9.0.snapshot
@@ -1,108 +1,35 @@
 includes › include_same_module_unify
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.5 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_adt.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1218386633)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2243)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $allocate_adt.4 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 28)
-      )
-     )
-     (i32.const 2)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 1218386633)
-    )
-    (i32.store offset=8
-     (local.get $0)
-     (i32.const 2243)
-    )
-    (i32.store offset=12
-     (local.get $0)
-     (i32.const 3)
-    )
-    (i32.store offset=16
-     (local.get $0)
-     (i32.const 2)
-    )
-    (i32.store offset=20
-     (local.get $0)
-     (i32.const 11)
-    )
-    (i32.store offset=24
-     (local.get $0)
-     (local.get $6)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 417
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 609193316)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1121)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MAllocate
+      (MADT
+       ((immediate_desc (MImmConst (MConstI32 609193316)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmConst (MConstI32 1121)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmConst (MConstI32 1)))
+        (immediate_analyses ((last_usage Unknown))))
+       (((immediate_desc (MImmConst (MConstI32 5)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/includes.de6b420f.0.snapshot b/compiler/test/__snapshots__/includes.de6b420f.0.snapshot
index 37b3b08a0..1c229012b 100644
--- a/compiler/test/__snapshots__/includes.de6b420f.0.snapshot
+++ b/compiler/test/__snapshots__/includes.de6b420f.0.snapshot
@@ -1,65 +1,19 @@
 includes › annotation_across_import
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_adt.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 20)
-      )
-     )
-     (i32.const 2)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 1218386633)
-    )
-    (i32.store offset=8
-     (local.get $0)
-     (i32.const 2243)
-    )
-    (i32.store offset=12
-     (local.get $0)
-     (i32.const 1)
-    )
-    (i32.store offset=16
-     (local.get $0)
-     (i32.const 0)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 417
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MAllocate
+      (MADT
+       ((immediate_desc (MImmConst (MConstI32 609193316)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmConst (MConstI32 1121)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmConst (MConstI32 0)))
+        (immediate_analyses ((last_usage Unknown))))
+       ()))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/includes.f2bf866b.0.snapshot b/compiler/test/__snapshots__/includes.f2bf866b.0.snapshot
index d10c38b44..1baab32c2 100644
--- a/compiler/test/__snapshots__/includes.f2bf866b.0.snapshot
+++ b/compiler/test/__snapshots__/includes.f2bf866b.0.snapshot
@@ -1,108 +1,35 @@
 includes › include_all_constructor
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.5 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_adt.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1218386633)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2243)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $allocate_adt.4 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 28)
-      )
-     )
-     (i32.const 2)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 1218386633)
-    )
-    (i32.store offset=8
-     (local.get $0)
-     (i32.const 2243)
-    )
-    (i32.store offset=12
-     (local.get $0)
-     (i32.const 3)
-    )
-    (i32.store offset=16
-     (local.get $0)
-     (i32.const 2)
-    )
-    (i32.store offset=20
-     (local.get $0)
-     (i32.const 5)
-    )
-    (i32.store offset=24
-     (local.get $0)
-     (local.get $6)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 417
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 609193316)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1121)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MAllocate
+      (MADT
+       ((immediate_desc (MImmConst (MConstI32 609193316)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmConst (MConstI32 1121)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmConst (MConstI32 1)))
+        (immediate_analyses ((last_usage Unknown))))
+       (((immediate_desc (MImmConst (MConstI32 2)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/includes.f4ba5583.0.snapshot b/compiler/test/__snapshots__/includes.f4ba5583.0.snapshot
index 9e852f723..7cb3561b0 100644
--- a/compiler/test/__snapshots__/includes.f4ba5583.0.snapshot
+++ b/compiler/test/__snapshots__/includes.f4ba5583.0.snapshot
@@ -1,50 +1,36 @@
 includes › include_module2
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$provideAll.gr\" \"GRAIN$EXPORT$x\" (global $x_1123 (mut i32)))
- (import \"GRAIN$MODULE$provideAll.gr\" \"GRAIN$EXPORT$y\" (global $y_1122 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$provideAll.gr\" \"y\" (func $y_1122 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $y_1122
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $y_1122)
-    )
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $x_1123)
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 421
-)
+((functions ())
+ (imports
+  (((mimp_id ((name x))) (mimp_mod provideAll.gr) (mimp_name x)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((name y))) (mimp_mod provideAll.gr) (mimp_name y)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32)) ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name y))) (mimp_mod provideAll.gr) (mimp_name y)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func y_1122)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind y_1122 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed) (Managed)))
+      (args
+       (((immediate_desc
+          (MIncRef
+           ((immediate_desc (MImmBinding (MGlobalBind x_1123 Managed)))
+            (immediate_analyses ((last_usage Last))))))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/let_mut.00e05fe2.0.snapshot b/compiler/test/__snapshots__/let_mut.00e05fe2.0.snapshot
index 8e8647a68..f47c5a555 100644
--- a/compiler/test/__snapshots__/let_mut.00e05fe2.0.snapshot
+++ b/compiler/test/__snapshots__/let_mut.00e05fe2.0.snapshot
@@ -1,85 +1,52 @@
 let mut › let-mut_division1
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$/\" (global $/_1117 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"/\" (func $/_1117 (param i32 i32 i32) (result i32)))
- (global $b_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.6 (result i32)
-   (block $compile_store.2
-    (global.set $b_1113
-     (i32.const 153)
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (block $compile_store.4
-    (local.set $6
-     (call $/_1117
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $/_1117)
-      )
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $b_1113)
-      )
-      (i32.const 39)
-     )
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (block $compile_set.5 (result i32)
-    (global.set $b_1113
-     (tuple.extract 0
-      (tuple.make
-       (call $incRef_0
-        (global.get $GRAIN$EXPORT$incRef_0)
-        (local.get $6)
-       )
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (global.get $b_1113)
-       )
-      )
-     )
-    )
-    (i32.const 1879048190)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name /))) (mimp_mod pervasives.gr) (mimp_name /)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name /))) (mimp_mod pervasives.gr) (mimp_name /)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind b_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstI32 76)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MCallKnown (func /_1117)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind /_1117 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) (Managed)))
+           (args
+            (((immediate_desc
+               (MIncRef
+                ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+                 (immediate_analyses ((last_usage Unknown))))))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 19)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MSet (MGlobalBind b_1113 Managed)
+      ((instr_desc
+        (MImmediate
+         ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+          (immediate_analyses ((last_usage Last))))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name b)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/let_mut.1176df90.0.snapshot b/compiler/test/__snapshots__/let_mut.1176df90.0.snapshot
index 21f3c3cda..24fca54d0 100644
--- a/compiler/test/__snapshots__/let_mut.1176df90.0.snapshot
+++ b/compiler/test/__snapshots__/let_mut.1176df90.0.snapshot
@@ -1,93 +1,59 @@
 let mut › let-mut_multiplication2
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$*\" (global $*_1117 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"*\" (func $*_1117 (param i32 i32 i32) (result i32)))
- (global $b_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.8 (result i32)
-   (block $compile_store.2
-    (global.set $b_1113
-     (i32.const 9)
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (block $compile_store.4
-    (local.set $6
-     (call $*_1117
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $*_1117)
-      )
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $b_1113)
-      )
-      (i32.const 39)
-     )
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (block $compile_store.7
-    (local.set $7
-     (block $compile_set.5 (result i32)
-      (global.set $b_1113
-       (tuple.extract 0
-        (tuple.make
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (local.get $6)
-         )
-         (call $decRef_0
-          (global.get $GRAIN$EXPORT$decRef_0)
-          (global.get $b_1113)
-         )
-        )
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-    (block $do_backpatches.6
-    )
-   )
-   (global.get $b_1113)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name *))) (mimp_mod pervasives.gr) (mimp_name *)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name *))) (mimp_mod pervasives.gr) (mimp_name *)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind b_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstI32 4)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MCallKnown (func *_1117)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind *_1117 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) (Managed)))
+           (args
+            (((immediate_desc
+               (MIncRef
+                ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+                 (immediate_analyses ((last_usage Unknown))))))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 19)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MSet (MGlobalBind b_1113 Managed)
+           ((instr_desc
+             (MImmediate
+              ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+               (immediate_analyses ((last_usage Last)))))))))))))))
+   ((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 1) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name b)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/let_mut.3307d5a7.0.snapshot b/compiler/test/__snapshots__/let_mut.3307d5a7.0.snapshot
index d61ed4bbf..496ce14bf 100644
--- a/compiler/test/__snapshots__/let_mut.3307d5a7.0.snapshot
+++ b/compiler/test/__snapshots__/let_mut.3307d5a7.0.snapshot
@@ -1,72 +1,21 @@
 let mut › let-mut3
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (global $b_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.4 (result i32)
-   (block $compile_store.3
-    (global.set $b_1113
-     (block $allocate_tuple.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 12)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 9)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (call $incRef_0
-    (global.get $GRAIN$EXPORT$incRef_0)
-    (i32.load offset=8
-     (global.get $b_1113)
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind b_1113 Managed)
+        ((instr_desc
+          (MAllocate
+           (MBox
+            ((immediate_desc (MImmConst (MConstI32 4)))
+             (immediate_analyses ((last_usage Unknown)))))))))))))
+   ((instr_desc
+     (MBoxOp MBoxUnbox
+      ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name b)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/let_mut.43f6980c.0.snapshot b/compiler/test/__snapshots__/let_mut.43f6980c.0.snapshot
index 087c385be..cdc4c9c8e 100644
--- a/compiler/test/__snapshots__/let_mut.43f6980c.0.snapshot
+++ b/compiler/test/__snapshots__/let_mut.43f6980c.0.snapshot
@@ -1,93 +1,59 @@
 let mut › let-mut_division3
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$/\" (global $/_1117 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"/\" (func $/_1117 (param i32 i32 i32) (result i32)))
- (global $b_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.8 (result i32)
-   (block $compile_store.2
-    (global.set $b_1113
-     (i32.const 153)
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (block $compile_store.4
-    (local.set $6
-     (call $/_1117
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $/_1117)
-      )
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $b_1113)
-      )
-      (i32.const 39)
-     )
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (block $compile_store.7
-    (local.set $7
-     (block $compile_set.5 (result i32)
-      (global.set $b_1113
-       (tuple.extract 0
-        (tuple.make
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (local.get $6)
-         )
-         (call $decRef_0
-          (global.get $GRAIN$EXPORT$decRef_0)
-          (global.get $b_1113)
-         )
-        )
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-    (block $do_backpatches.6
-    )
-   )
-   (global.get $b_1113)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name /))) (mimp_mod pervasives.gr) (mimp_name /)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name /))) (mimp_mod pervasives.gr) (mimp_name /)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind b_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstI32 76)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MCallKnown (func /_1117)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind /_1117 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) (Managed)))
+           (args
+            (((immediate_desc
+               (MIncRef
+                ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+                 (immediate_analyses ((last_usage Unknown))))))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 19)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MSet (MGlobalBind b_1113 Managed)
+           ((instr_desc
+             (MImmediate
+              ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+               (immediate_analyses ((last_usage Last)))))))))))))))
+   ((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 1) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name b)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/let_mut.48249b50.0.snapshot b/compiler/test/__snapshots__/let_mut.48249b50.0.snapshot
index 41325073a..89b56701d 100644
--- a/compiler/test/__snapshots__/let_mut.48249b50.0.snapshot
+++ b/compiler/test/__snapshots__/let_mut.48249b50.0.snapshot
@@ -1,93 +1,59 @@
 let mut › let-mut5
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$-\" (global $-_1117 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"-\" (func $-_1117 (param i32 i32 i32) (result i32)))
- (global $b_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.8 (result i32)
-   (block $compile_store.2
-    (global.set $b_1113
-     (i32.const 9)
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (block $compile_store.4
-    (local.set $6
-     (call $-_1117
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $-_1117)
-      )
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $b_1113)
-      )
-      (i32.const 3)
-     )
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (block $compile_store.7
-    (local.set $7
-     (block $compile_set.5 (result i32)
-      (global.set $b_1113
-       (tuple.extract 0
-        (tuple.make
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (local.get $6)
-         )
-         (call $decRef_0
-          (global.get $GRAIN$EXPORT$decRef_0)
-          (global.get $b_1113)
-         )
-        )
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-    (block $do_backpatches.6
-    )
-   )
-   (global.get $b_1113)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name -))) (mimp_mod pervasives.gr) (mimp_name -)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name -))) (mimp_mod pervasives.gr) (mimp_name -)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind b_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstI32 4)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MCallKnown (func -_1117)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind -_1117 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) (Managed)))
+           (args
+            (((immediate_desc
+               (MIncRef
+                ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+                 (immediate_analyses ((last_usage Unknown))))))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MSet (MGlobalBind b_1113 Managed)
+           ((instr_desc
+             (MImmediate
+              ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+               (immediate_analyses ((last_usage Last)))))))))))))))
+   ((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 1) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name b)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/let_mut.4c3f3b2b.0.snapshot b/compiler/test/__snapshots__/let_mut.4c3f3b2b.0.snapshot
index cd74f4d8e..e3c5785e4 100644
--- a/compiler/test/__snapshots__/let_mut.4c3f3b2b.0.snapshot
+++ b/compiler/test/__snapshots__/let_mut.4c3f3b2b.0.snapshot
@@ -1,100 +1,33 @@
 let mut › let-mut2
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $b_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.7 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_tuple.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 13)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (global.set $b_1113
-     (block $allocate_tuple.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 9)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (local.get $6)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (global.get $b_1113)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 5)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 6)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MGlobalBind b_1113 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 4)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name b)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/let_mut.4c75261e.0.snapshot b/compiler/test/__snapshots__/let_mut.4c75261e.0.snapshot
index 9e8b4d5e1..362e5f3c9 100644
--- a/compiler/test/__snapshots__/let_mut.4c75261e.0.snapshot
+++ b/compiler/test/__snapshots__/let_mut.4c75261e.0.snapshot
@@ -1,85 +1,52 @@
 let mut › let-mut_multiplication1
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$*\" (global $*_1117 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"*\" (func $*_1117 (param i32 i32 i32) (result i32)))
- (global $b_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.6 (result i32)
-   (block $compile_store.2
-    (global.set $b_1113
-     (i32.const 9)
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (block $compile_store.4
-    (local.set $6
-     (call $*_1117
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $*_1117)
-      )
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $b_1113)
-      )
-      (i32.const 39)
-     )
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (block $compile_set.5 (result i32)
-    (global.set $b_1113
-     (tuple.extract 0
-      (tuple.make
-       (call $incRef_0
-        (global.get $GRAIN$EXPORT$incRef_0)
-        (local.get $6)
-       )
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (global.get $b_1113)
-       )
-      )
-     )
-    )
-    (i32.const 1879048190)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name *))) (mimp_mod pervasives.gr) (mimp_name *)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name *))) (mimp_mod pervasives.gr) (mimp_name *)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind b_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstI32 4)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MCallKnown (func *_1117)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind *_1117 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) (Managed)))
+           (args
+            (((immediate_desc
+               (MIncRef
+                ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+                 (immediate_analyses ((last_usage Unknown))))))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 19)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MSet (MGlobalBind b_1113 Managed)
+      ((instr_desc
+        (MImmediate
+         ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+          (immediate_analyses ((last_usage Last))))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name b)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/let_mut.634331f0.0.snapshot b/compiler/test/__snapshots__/let_mut.634331f0.0.snapshot
index b99c66a0f..a51731dd2 100644
--- a/compiler/test/__snapshots__/let_mut.634331f0.0.snapshot
+++ b/compiler/test/__snapshots__/let_mut.634331f0.0.snapshot
@@ -1,93 +1,59 @@
 let mut › let-mut_multiplication3
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$*\" (global $*_1117 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"*\" (func $*_1117 (param i32 i32 i32) (result i32)))
- (global $b_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.8 (result i32)
-   (block $compile_store.2
-    (global.set $b_1113
-     (i32.const 9)
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (block $compile_store.4
-    (local.set $6
-     (call $*_1117
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $*_1117)
-      )
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $b_1113)
-      )
-      (i32.const 39)
-     )
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (block $compile_store.7
-    (local.set $7
-     (block $compile_set.5 (result i32)
-      (global.set $b_1113
-       (tuple.extract 0
-        (tuple.make
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (local.get $6)
-         )
-         (call $decRef_0
-          (global.get $GRAIN$EXPORT$decRef_0)
-          (global.get $b_1113)
-         )
-        )
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-    (block $do_backpatches.6
-    )
-   )
-   (global.get $b_1113)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name *))) (mimp_mod pervasives.gr) (mimp_name *)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name *))) (mimp_mod pervasives.gr) (mimp_name *)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind b_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstI32 4)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MCallKnown (func *_1117)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind *_1117 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) (Managed)))
+           (args
+            (((immediate_desc
+               (MIncRef
+                ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+                 (immediate_analyses ((last_usage Unknown))))))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 19)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MSet (MGlobalBind b_1113 Managed)
+           ((instr_desc
+             (MImmediate
+              ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+               (immediate_analyses ((last_usage Last)))))))))))))))
+   ((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 1) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name b)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/let_mut.63c16374.0.snapshot b/compiler/test/__snapshots__/let_mut.63c16374.0.snapshot
index b4cc9a238..a33750d1f 100644
--- a/compiler/test/__snapshots__/let_mut.63c16374.0.snapshot
+++ b/compiler/test/__snapshots__/let_mut.63c16374.0.snapshot
@@ -1,72 +1,29 @@
 let mut › let-mut4
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (global $b_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.6 (result i32)
-   (block $compile_store.2
-    (global.set $b_1113
-     (i32.const 9)
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (block $compile_store.5
-    (local.set $6
-     (block $compile_set.3 (result i32)
-      (global.set $b_1113
-       (tuple.extract 0
-        (tuple.make
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (i32.const 7)
-         )
-         (call $decRef_0
-          (global.get $GRAIN$EXPORT$decRef_0)
-          (global.get $b_1113)
-         )
-        )
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-    (block $do_backpatches.4
-    )
-   )
-   (global.get $b_1113)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind b_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstI32 4)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MSet (MGlobalBind b_1113 Managed)
+           ((instr_desc
+             (MImmediate
+              ((immediate_desc (MImmConst (MConstI32 3)))
+               (immediate_analyses ((last_usage Unknown)))))))))))))))
+   ((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 1) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name b)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/let_mut.6796c72d.0.snapshot b/compiler/test/__snapshots__/let_mut.6796c72d.0.snapshot
index 95ffb67ec..0e9ac9ae8 100644
--- a/compiler/test/__snapshots__/let_mut.6796c72d.0.snapshot
+++ b/compiler/test/__snapshots__/let_mut.6796c72d.0.snapshot
@@ -1,85 +1,52 @@
 let mut › let-mut_subtraction1
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$-\" (global $-_1117 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"-\" (func $-_1117 (param i32 i32 i32) (result i32)))
- (global $b_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.6 (result i32)
-   (block $compile_store.2
-    (global.set $b_1113
-     (i32.const 9)
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (block $compile_store.4
-    (local.set $6
-     (call $-_1117
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $-_1117)
-      )
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $b_1113)
-      )
-      (i32.const 39)
-     )
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (block $compile_set.5 (result i32)
-    (global.set $b_1113
-     (tuple.extract 0
-      (tuple.make
-       (call $incRef_0
-        (global.get $GRAIN$EXPORT$incRef_0)
-        (local.get $6)
-       )
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (global.get $b_1113)
-       )
-      )
-     )
-    )
-    (i32.const 1879048190)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name -))) (mimp_mod pervasives.gr) (mimp_name -)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name -))) (mimp_mod pervasives.gr) (mimp_name -)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind b_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstI32 4)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MCallKnown (func -_1117)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind -_1117 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) (Managed)))
+           (args
+            (((immediate_desc
+               (MIncRef
+                ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+                 (immediate_analyses ((last_usage Unknown))))))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 19)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MSet (MGlobalBind b_1113 Managed)
+      ((instr_desc
+        (MImmediate
+         ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+          (immediate_analyses ((last_usage Last))))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name b)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/let_mut.baaea1d3.0.snapshot b/compiler/test/__snapshots__/let_mut.baaea1d3.0.snapshot
index ea552860f..e0d8711a8 100644
--- a/compiler/test/__snapshots__/let_mut.baaea1d3.0.snapshot
+++ b/compiler/test/__snapshots__/let_mut.baaea1d3.0.snapshot
@@ -1,93 +1,59 @@
 let mut › let-mut_subtraction2
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$-\" (global $-_1117 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"-\" (func $-_1117 (param i32 i32 i32) (result i32)))
- (global $b_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.8 (result i32)
-   (block $compile_store.2
-    (global.set $b_1113
-     (i32.const 9)
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (block $compile_store.4
-    (local.set $6
-     (call $-_1117
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $-_1117)
-      )
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $b_1113)
-      )
-      (i32.const 39)
-     )
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (block $compile_store.7
-    (local.set $7
-     (block $compile_set.5 (result i32)
-      (global.set $b_1113
-       (tuple.extract 0
-        (tuple.make
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (local.get $6)
-         )
-         (call $decRef_0
-          (global.get $GRAIN$EXPORT$decRef_0)
-          (global.get $b_1113)
-         )
-        )
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-    (block $do_backpatches.6
-    )
-   )
-   (global.get $b_1113)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name -))) (mimp_mod pervasives.gr) (mimp_name -)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name -))) (mimp_mod pervasives.gr) (mimp_name -)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind b_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstI32 4)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MCallKnown (func -_1117)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind -_1117 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) (Managed)))
+           (args
+            (((immediate_desc
+               (MIncRef
+                ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+                 (immediate_analyses ((last_usage Unknown))))))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 19)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MSet (MGlobalBind b_1113 Managed)
+           ((instr_desc
+             (MImmediate
+              ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+               (immediate_analyses ((last_usage Last)))))))))))))))
+   ((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 1) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name b)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/let_mut.cbbbaeb4.0.snapshot b/compiler/test/__snapshots__/let_mut.cbbbaeb4.0.snapshot
index f77cfefd0..75b69a3a9 100644
--- a/compiler/test/__snapshots__/let_mut.cbbbaeb4.0.snapshot
+++ b/compiler/test/__snapshots__/let_mut.cbbbaeb4.0.snapshot
@@ -1,93 +1,59 @@
 let mut › let-mut_addition2
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1117 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1117 (param i32 i32 i32) (result i32)))
- (global $b_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.8 (result i32)
-   (block $compile_store.2
-    (global.set $b_1113
-     (i32.const 9)
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (block $compile_store.4
-    (local.set $6
-     (call $+_1117
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $+_1117)
-      )
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $b_1113)
-      )
-      (i32.const 39)
-     )
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (block $compile_store.7
-    (local.set $7
-     (block $compile_set.5 (result i32)
-      (global.set $b_1113
-       (tuple.extract 0
-        (tuple.make
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (local.get $6)
-         )
-         (call $decRef_0
-          (global.get $GRAIN$EXPORT$decRef_0)
-          (global.get $b_1113)
-         )
-        )
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-    (block $do_backpatches.6
-    )
-   )
-   (global.get $b_1113)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind b_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstI32 4)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MCallKnown (func +_1117)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind +_1117 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) (Managed)))
+           (args
+            (((immediate_desc
+               (MIncRef
+                ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+                 (immediate_analyses ((last_usage Unknown))))))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 19)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MSet (MGlobalBind b_1113 Managed)
+           ((instr_desc
+             (MImmediate
+              ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+               (immediate_analyses ((last_usage Last)))))))))))))))
+   ((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 1) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name b)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/let_mut.d2de286b.0.snapshot b/compiler/test/__snapshots__/let_mut.d2de286b.0.snapshot
index 97735a2e4..33f8361b6 100644
--- a/compiler/test/__snapshots__/let_mut.d2de286b.0.snapshot
+++ b/compiler/test/__snapshots__/let_mut.d2de286b.0.snapshot
@@ -1,85 +1,52 @@
 let mut › let-mut_addition1
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1117 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1117 (param i32 i32 i32) (result i32)))
- (global $b_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.6 (result i32)
-   (block $compile_store.2
-    (global.set $b_1113
-     (i32.const 9)
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (block $compile_store.4
-    (local.set $6
-     (call $+_1117
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $+_1117)
-      )
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $b_1113)
-      )
-      (i32.const 39)
-     )
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (block $compile_set.5 (result i32)
-    (global.set $b_1113
-     (tuple.extract 0
-      (tuple.make
-       (call $incRef_0
-        (global.get $GRAIN$EXPORT$incRef_0)
-        (local.get $6)
-       )
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (global.get $b_1113)
-       )
-      )
-     )
-    )
-    (i32.const 1879048190)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind b_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstI32 4)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MCallKnown (func +_1117)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind +_1117 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) (Managed)))
+           (args
+            (((immediate_desc
+               (MIncRef
+                ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+                 (immediate_analyses ((last_usage Unknown))))))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 19)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MSet (MGlobalBind b_1113 Managed)
+      ((instr_desc
+        (MImmediate
+         ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+          (immediate_analyses ((last_usage Last))))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name b)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/let_mut.e90db621.0.snapshot b/compiler/test/__snapshots__/let_mut.e90db621.0.snapshot
index 27bf2fafc..40d036fe0 100644
--- a/compiler/test/__snapshots__/let_mut.e90db621.0.snapshot
+++ b/compiler/test/__snapshots__/let_mut.e90db621.0.snapshot
@@ -1,93 +1,59 @@
 let mut › let-mut_subtraction3
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$-\" (global $-_1117 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"-\" (func $-_1117 (param i32 i32 i32) (result i32)))
- (global $b_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.8 (result i32)
-   (block $compile_store.2
-    (global.set $b_1113
-     (i32.const 9)
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (block $compile_store.4
-    (local.set $6
-     (call $-_1117
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $-_1117)
-      )
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $b_1113)
-      )
-      (i32.const 39)
-     )
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (block $compile_store.7
-    (local.set $7
-     (block $compile_set.5 (result i32)
-      (global.set $b_1113
-       (tuple.extract 0
-        (tuple.make
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (local.get $6)
-         )
-         (call $decRef_0
-          (global.get $GRAIN$EXPORT$decRef_0)
-          (global.get $b_1113)
-         )
-        )
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-    (block $do_backpatches.6
-    )
-   )
-   (global.get $b_1113)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name -))) (mimp_mod pervasives.gr) (mimp_name -)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name -))) (mimp_mod pervasives.gr) (mimp_name -)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind b_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstI32 4)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MCallKnown (func -_1117)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind -_1117 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) (Managed)))
+           (args
+            (((immediate_desc
+               (MIncRef
+                ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+                 (immediate_analyses ((last_usage Unknown))))))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 19)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MSet (MGlobalBind b_1113 Managed)
+           ((instr_desc
+             (MImmediate
+              ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+               (immediate_analyses ((last_usage Last)))))))))))))))
+   ((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 1) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name b)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/let_mut.f8f208a2.0.snapshot b/compiler/test/__snapshots__/let_mut.f8f208a2.0.snapshot
index 42357fccf..f0ccc153c 100644
--- a/compiler/test/__snapshots__/let_mut.f8f208a2.0.snapshot
+++ b/compiler/test/__snapshots__/let_mut.f8f208a2.0.snapshot
@@ -1,93 +1,59 @@
 let mut › let-mut_addition3
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1117 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1117 (param i32 i32 i32) (result i32)))
- (global $b_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.8 (result i32)
-   (block $compile_store.2
-    (global.set $b_1113
-     (i32.const 9)
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (block $compile_store.4
-    (local.set $6
-     (call $+_1117
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $+_1117)
-      )
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $b_1113)
-      )
-      (i32.const 39)
-     )
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (block $compile_store.7
-    (local.set $7
-     (block $compile_set.5 (result i32)
-      (global.set $b_1113
-       (tuple.extract 0
-        (tuple.make
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (local.get $6)
-         )
-         (call $decRef_0
-          (global.get $GRAIN$EXPORT$decRef_0)
-          (global.get $b_1113)
-         )
-        )
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-    (block $do_backpatches.6
-    )
-   )
-   (global.get $b_1113)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind b_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstI32 4)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MCallKnown (func +_1117)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind +_1117 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) (Managed)))
+           (args
+            (((immediate_desc
+               (MIncRef
+                ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+                 (immediate_analyses ((last_usage Unknown))))))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 19)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MSet (MGlobalBind b_1113 Managed)
+           ((instr_desc
+             (MImmediate
+              ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+               (immediate_analyses ((last_usage Last)))))))))))))))
+   ((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 1) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name b)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/let_mut.f9e32f30.0.snapshot b/compiler/test/__snapshots__/let_mut.f9e32f30.0.snapshot
index a57b08f22..d6ca47808 100644
--- a/compiler/test/__snapshots__/let_mut.f9e32f30.0.snapshot
+++ b/compiler/test/__snapshots__/let_mut.f9e32f30.0.snapshot
@@ -1,93 +1,59 @@
 let mut › let-mut_division2
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$/\" (global $/_1117 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"/\" (func $/_1117 (param i32 i32 i32) (result i32)))
- (global $b_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.8 (result i32)
-   (block $compile_store.2
-    (global.set $b_1113
-     (i32.const 153)
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (block $compile_store.4
-    (local.set $6
-     (call $/_1117
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $/_1117)
-      )
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $b_1113)
-      )
-      (i32.const 39)
-     )
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (block $compile_store.7
-    (local.set $7
-     (block $compile_set.5 (result i32)
-      (global.set $b_1113
-       (tuple.extract 0
-        (tuple.make
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (local.get $6)
-         )
-         (call $decRef_0
-          (global.get $GRAIN$EXPORT$decRef_0)
-          (global.get $b_1113)
-         )
-        )
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-    (block $do_backpatches.6
-    )
-   )
-   (global.get $b_1113)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name /))) (mimp_mod pervasives.gr) (mimp_name /)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name /))) (mimp_mod pervasives.gr) (mimp_name /)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind b_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstI32 76)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MCallKnown (func /_1117)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind /_1117 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) (Managed)))
+           (args
+            (((immediate_desc
+               (MIncRef
+                ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+                 (immediate_analyses ((last_usage Unknown))))))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 19)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MSet (MGlobalBind b_1113 Managed)
+           ((instr_desc
+             (MImmediate
+              ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+               (immediate_analyses ((last_usage Last)))))))))))))))
+   ((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 1) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name b)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/let_mut.fcc9c65d.0.snapshot b/compiler/test/__snapshots__/let_mut.fcc9c65d.0.snapshot
index d6c372eeb..300b42237 100644
--- a/compiler/test/__snapshots__/let_mut.fcc9c65d.0.snapshot
+++ b/compiler/test/__snapshots__/let_mut.fcc9c65d.0.snapshot
@@ -1,43 +1,20 @@
 let mut › let-mut1
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $b_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.3 (result i32)
-   (block $compile_store.2
-    (global.set $b_1113
-     (i32.const 9)
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (global.get $b_1113)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind b_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstI32 4)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name b)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/lists.884ce894.0.snapshot b/compiler/test/__snapshots__/lists.884ce894.0.snapshot
index 52e737b7e..2c5ad2dba 100644
--- a/compiler/test/__snapshots__/lists.884ce894.0.snapshot
+++ b/compiler/test/__snapshots__/lists.884ce894.0.snapshot
@@ -1,237 +1,83 @@
 lists › list_spread
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (block $compile_block.14 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_adt.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_adt.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 9)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $6)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.9
-    (local.set $8
-     (block $allocate_adt.7 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $7)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $compile_store.12
-    (local.set $9
-     (block $allocate_adt.10 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 5)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $8)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.11
-    )
-   )
-   (block $allocate_adt.13 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 28)
-      )
-     )
-     (i32.const 2)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 1638603609)
-    )
-    (i32.store offset=8
-     (local.get $0)
-     (i32.const 11)
-    )
-    (i32.store offset=12
-     (local.get $0)
-     (i32.const 1)
-    )
-    (i32.store offset=16
-     (local.get $0)
-     (i32.const 2)
-    )
-    (i32.store offset=20
-     (local.get $0)
-     (i32.const 3)
-    )
-    (i32.store offset=24
-     (local.get $0)
-     (local.get $9)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 4)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MAllocate
+      (MADT
+       ((immediate_desc (MImmConst (MConstI32 819301804)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmConst (MConstI32 5)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmConst (MConstI32 0)))
+        (immediate_analyses ((last_usage Unknown))))
+       (((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 4) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/lists.d9fd46fb.0.snapshot b/compiler/test/__snapshots__/lists.d9fd46fb.0.snapshot
index 85cd72277..6fafb863c 100644
--- a/compiler/test/__snapshots__/lists.d9fd46fb.0.snapshot
+++ b/compiler/test/__snapshots__/lists.d9fd46fb.0.snapshot
@@ -1,194 +1,67 @@
 lists › list1_trailing_space
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (block $compile_block.11 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_adt.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_adt.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $6)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.9
-    (local.set $8
-     (block $allocate_adt.7 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 5)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $7)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $allocate_adt.10 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 28)
-      )
-     )
-     (i32.const 2)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 1638603609)
-    )
-    (i32.store offset=8
-     (local.get $0)
-     (i32.const 11)
-    )
-    (i32.store offset=12
-     (local.get $0)
-     (i32.const 1)
-    )
-    (i32.store offset=16
-     (local.get $0)
-     (i32.const 2)
-    )
-    (i32.store offset=20
-     (local.get $0)
-     (i32.const 3)
-    )
-    (i32.store offset=24
-     (local.get $0)
-     (local.get $8)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MAllocate
+      (MADT
+       ((immediate_desc (MImmConst (MConstI32 819301804)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmConst (MConstI32 5)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmConst (MConstI32 0)))
+        (immediate_analyses ((last_usage Unknown))))
+       (((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 3) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/lists.e5378351.0.snapshot b/compiler/test/__snapshots__/lists.e5378351.0.snapshot
index 5a371e9f3..74f6f6493 100644
--- a/compiler/test/__snapshots__/lists.e5378351.0.snapshot
+++ b/compiler/test/__snapshots__/lists.e5378351.0.snapshot
@@ -1,194 +1,67 @@
 lists › list1_trailing
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (block $compile_block.11 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_adt.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_adt.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $6)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.9
-    (local.set $8
-     (block $allocate_adt.7 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 5)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $7)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $allocate_adt.10 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 28)
-      )
-     )
-     (i32.const 2)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 1638603609)
-    )
-    (i32.store offset=8
-     (local.get $0)
-     (i32.const 11)
-    )
-    (i32.store offset=12
-     (local.get $0)
-     (i32.const 1)
-    )
-    (i32.store offset=16
-     (local.get $0)
-     (i32.const 2)
-    )
-    (i32.store offset=20
-     (local.get $0)
-     (i32.const 3)
-    )
-    (i32.store offset=24
-     (local.get $0)
-     (local.get $8)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MAllocate
+      (MADT
+       ((immediate_desc (MImmConst (MConstI32 819301804)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmConst (MConstI32 5)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmConst (MConstI32 0)))
+        (immediate_analyses ((last_usage Unknown))))
+       (((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 3) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/loops.0a25def1.0.snapshot b/compiler/test/__snapshots__/loops.0a25def1.0.snapshot
index 38725f282..6c8b50b94 100644
--- a/compiler/test/__snapshots__/loops.0a25def1.0.snapshot
+++ b/compiler/test/__snapshots__/loops.0a25def1.0.snapshot
@@ -1,261 +1,156 @@
 loops › loop2
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$>\" (global $>_1128 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1125 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$-\" (global $-_1120 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \">\" (func $>_1128 (param i32 i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1125 (param i32 i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"-\" (func $-_1120 (param i32 i32 i32) (result i32)))
- (global $count_1114 (mut i32) (i32.const 0))
- (global $b_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (block $compile_block.29 (result i32)
-   (block $compile_store.3
-    (global.set $b_1113
-     (block $allocate_tuple.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 12)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 25)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (global.set $count_1114
-     (block $allocate_tuple.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 12)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 1)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.28
-    (local.set $11
-     (block $MFor.7 (result i32)
-      (drop
-       (loop $MFor_loop.8
-        (block $MFor_loop_body.26
-         (drop
-          (br_if $MFor.7
-           (i32.const 1879048190)
-           (i32.eqz
-            (i32.shr_u
-             (block $compile_block.12 (result i32)
-              (block $compile_store.11
-               (local.set $10
-                (call $incRef_0
-                 (global.get $GRAIN$EXPORT$incRef_0)
-                 (i32.load offset=8
-                  (global.get $b_1113)
-                 )
-                )
-               )
-               (block $do_backpatches.10
-               )
-              )
-              (call $>_1128
-               (call $incRef_0
-                (global.get $GRAIN$EXPORT$incRef_0)
-                (global.get $>_1128)
-               )
-               (local.get $10)
-               (i32.const 1)
-              )
-             )
-             (i32.const 31)
-            )
-           )
-          )
-         )
-         (block $MFor_continue.9
-          (drop
-           (block $compile_block.25 (result i32)
-            (block $compile_store.14
-             (local.set $6
-              (call $incRef_0
-               (global.get $GRAIN$EXPORT$incRef_0)
-               (i32.load offset=8
-                (global.get $b_1113)
-               )
-              )
-             )
-             (block $do_backpatches.13
-             )
-            )
-            (block $compile_store.16
-             (local.set $7
-              (call $-_1120
-               (call $incRef_0
-                (global.get $GRAIN$EXPORT$incRef_0)
-                (global.get $-_1120)
-               )
-               (local.get $6)
-               (i32.const 3)
-              )
-             )
-             (block $do_backpatches.15
-             )
-            )
-            (block $compile_store.19
-             (local.set $12
-              (block $MTupleSet.17 (result i32)
-               (i32.store offset=8
-                (global.get $b_1113)
-                (tuple.extract 0
-                 (tuple.make
-                  (local.get $7)
-                  (call $decRef_0
-                   (global.get $GRAIN$EXPORT$decRef_0)
-                   (i32.load offset=8
-                    (global.get $b_1113)
-                   )
-                  )
-                 )
-                )
-               )
-               (i32.const 1879048190)
-              )
-             )
-             (block $do_backpatches.18
-             )
-            )
-            (block $compile_store.21
-             (local.set $8
-              (call $incRef_0
-               (global.get $GRAIN$EXPORT$incRef_0)
-               (i32.load offset=8
-                (global.get $count_1114)
-               )
-              )
-             )
-             (block $do_backpatches.20
-             )
-            )
-            (block $compile_store.23
-             (local.set $9
-              (call $+_1125
-               (call $incRef_0
-                (global.get $GRAIN$EXPORT$incRef_0)
-                (global.get $+_1125)
-               )
-               (local.get $8)
-               (i32.const 3)
-              )
-             )
-             (block $do_backpatches.22
-             )
-            )
-            (block $MTupleSet.24 (result i32)
-             (i32.store offset=8
-              (global.get $count_1114)
-              (tuple.extract 0
-               (tuple.make
-                (local.get $9)
-                (call $decRef_0
-                 (global.get $GRAIN$EXPORT$decRef_0)
-                 (i32.load offset=8
-                  (global.get $count_1114)
-                 )
-                )
-               )
-              )
-             )
-             (i32.const 1879048190)
-            )
-           )
-          )
-         )
-         (br $MFor_loop.8)
-        )
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-    (block $do_backpatches.27
-    )
-   )
-   (call $incRef_0
-    (global.get $GRAIN$EXPORT$incRef_0)
-    (i32.load offset=8
-     (global.get $count_1114)
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name >))) (mimp_mod pervasives.gr) (mimp_name >)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name >))) (mimp_mod pervasives.gr) (mimp_name >)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((name -))) (mimp_mod pervasives.gr) (mimp_name -)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name -))) (mimp_mod pervasives.gr) (mimp_name -)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind b_1113 Managed)
+        ((instr_desc
+          (MAllocate
+           (MBox
+            ((immediate_desc (MImmConst (MConstI32 12)))
+             (immediate_analyses ((last_usage Unknown)))))))))))))
+   ((instr_desc
+     (MStore
+      (((MGlobalBind count_1114 Managed)
+        ((instr_desc
+          (MAllocate
+           (MBox
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown)))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MFor
+           ((((instr_desc
+               (MStore
+                (((MLocalBind 4 Managed)
+                  ((instr_desc
+                    (MBoxOp MBoxUnbox
+                     ((immediate_desc
+                       (MImmBinding (MGlobalBind b_1113 Managed)))
+                      (immediate_analyses ((last_usage Unknown))))))))))))
+             ((instr_desc
+               (MCallKnown (func >_1128)
+                (closure
+                 ((immediate_desc
+                   (MIncRef
+                    ((immediate_desc
+                      (MImmBinding (MGlobalBind >_1128 Managed)))
+                     (immediate_analyses ((last_usage Last))))))
+                  (immediate_analyses ((last_usage Unknown)))))
+                (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+                (args
+                 (((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+                   (immediate_analyses ((last_usage Last))))
+                  ((immediate_desc (MImmConst (MConstI32 0)))
+                   (immediate_analyses ((last_usage Unknown)))))))))))
+           ()
+           (((instr_desc
+              (MStore
+               (((MLocalBind 0 Managed)
+                 ((instr_desc
+                   (MBoxOp MBoxUnbox
+                    ((immediate_desc
+                      (MImmBinding (MGlobalBind b_1113 Managed)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MStore
+               (((MLocalBind 1 Managed)
+                 ((instr_desc
+                   (MCallKnown (func -_1120)
+                    (closure
+                     ((immediate_desc
+                       (MIncRef
+                        ((immediate_desc
+                          (MImmBinding (MGlobalBind -_1120 Managed)))
+                         (immediate_analyses ((last_usage Last))))))
+                      (immediate_analyses ((last_usage Unknown)))))
+                    (func_type ((Managed Managed) (Managed)))
+                    (args
+                     (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+                       (immediate_analyses ((last_usage Last))))
+                      ((immediate_desc (MImmConst (MConstI32 1)))
+                       (immediate_analyses ((last_usage Unknown))))))))))))))
+            ((instr_desc
+              (MStore
+               (((MLocalBind 1 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MBoxOp
+                    (MBoxUpdate
+                     ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+                      (immediate_analyses ((last_usage Last)))))
+                    ((immediate_desc
+                      (MImmBinding (MGlobalBind b_1113 Managed)))
+                     (immediate_analyses ((last_usage Last))))))))))))
+            ((instr_desc
+              (MStore
+               (((MLocalBind 2 Managed)
+                 ((instr_desc
+                   (MBoxOp MBoxUnbox
+                    ((immediate_desc
+                      (MImmBinding (MGlobalBind count_1114 Managed)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MStore
+               (((MLocalBind 3 Managed)
+                 ((instr_desc
+                   (MCallKnown (func +_1125)
+                    (closure
+                     ((immediate_desc
+                       (MIncRef
+                        ((immediate_desc
+                          (MImmBinding (MGlobalBind +_1125 Managed)))
+                         (immediate_analyses ((last_usage Last))))))
+                      (immediate_analyses ((last_usage Unknown)))))
+                    (func_type ((Managed Managed) (Managed)))
+                    (args
+                     (((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+                       (immediate_analyses ((last_usage Last))))
+                      ((immediate_desc (MImmConst (MConstI32 1)))
+                       (immediate_analyses ((last_usage Unknown))))))))))))))
+            ((instr_desc
+              (MBoxOp
+               (MBoxUpdate
+                ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+                 (immediate_analyses ((last_usage Last)))))
+               ((immediate_desc
+                 (MImmBinding (MGlobalBind count_1114 Managed)))
+                (immediate_analyses ((last_usage Unknown))))))))))))))))
+   ((instr_desc
+     (MBoxOp MBoxUnbox
+      ((immediate_desc (MImmBinding (MGlobalBind count_1114 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 5) (stack_size_i32 2) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name count)) true Managed ()) (((name b)) true Managed ())))
+ (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/loops.0fafc5f0.0.snapshot b/compiler/test/__snapshots__/loops.0fafc5f0.0.snapshot
index 19a0a186d..296d4a142 100644
--- a/compiler/test/__snapshots__/loops.0fafc5f0.0.snapshot
+++ b/compiler/test/__snapshots__/loops.0fafc5f0.0.snapshot
@@ -1,186 +1,139 @@
 loops › loop5
-(module
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$>=\" (global $>=_1126 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$-\" (global $-_1124 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1120 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \">=\" (func $>=_1126 (param i32 i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"-\" (func $-_1124 (param i32 i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1120 (param i32 i32 i32) (result i32)))
- (global $count_1114 (mut i32) (i32.const 0))
- (global $b_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (block $compile_block.21 (result i32)
-   (block $compile_store.2
-    (global.set $b_1113
-     (i32.const 25)
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (block $compile_store.4
-    (global.set $count_1114
-     (i32.const 1)
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (block $compile_store.20
-    (local.set $8
-     (block $MFor.5 (result i32)
-      (drop
-       (loop $MFor_loop.6
-        (block $MFor_loop_body.18
-         (drop
-          (br_if $MFor.5
-           (i32.const 1879048190)
-           (i32.eqz
-            (i32.shr_u
-             (block $compile_block.13 (result i32)
-              (block $compile_store.9
-               (local.set $7
-                (call $-_1124
-                 (call $incRef_0
-                  (global.get $GRAIN$EXPORT$incRef_0)
-                  (global.get $-_1124)
-                 )
-                 (call $incRef_0
-                  (global.get $GRAIN$EXPORT$incRef_0)
-                  (global.get $b_1113)
-                 )
-                 (i32.const 3)
-                )
-               )
-               (block $do_backpatches.8
-               )
-              )
-              (block $compile_store.12
-               (local.set $9
-                (block $compile_set.10 (result i32)
-                 (global.set $b_1113
-                  (tuple.extract 0
-                   (tuple.make
-                    (call $incRef_0
-                     (global.get $GRAIN$EXPORT$incRef_0)
-                     (local.get $7)
-                    )
-                    (call $decRef_0
-                     (global.get $GRAIN$EXPORT$decRef_0)
-                     (global.get $b_1113)
-                    )
-                   )
-                  )
-                 )
-                 (i32.const 1879048190)
-                )
-               )
-               (block $do_backpatches.11
-               )
-              )
-              (call $>=_1126
-               (call $incRef_0
-                (global.get $GRAIN$EXPORT$incRef_0)
-                (global.get $>=_1126)
-               )
-               (call $incRef_0
-                (global.get $GRAIN$EXPORT$incRef_0)
-                (global.get $b_1113)
-               )
-               (i32.const 1)
-              )
-             )
-             (i32.const 31)
-            )
-           )
-          )
-         )
-         (block $MFor_continue.7
-          (drop
-           (block $compile_block.17 (result i32)
-            (block $compile_store.15
-             (local.set $6
-              (call $+_1120
-               (call $incRef_0
-                (global.get $GRAIN$EXPORT$incRef_0)
-                (global.get $+_1120)
-               )
-               (call $incRef_0
-                (global.get $GRAIN$EXPORT$incRef_0)
-                (global.get $count_1114)
-               )
-               (i32.const 3)
-              )
-             )
-             (block $do_backpatches.14
-             )
-            )
-            (block $compile_set.16 (result i32)
-             (global.set $count_1114
-              (tuple.extract 0
-               (tuple.make
-                (call $incRef_0
-                 (global.get $GRAIN$EXPORT$incRef_0)
-                 (local.get $6)
-                )
-                (call $decRef_0
-                 (global.get $GRAIN$EXPORT$decRef_0)
-                 (global.get $count_1114)
-                )
-               )
-              )
-             )
-             (i32.const 1879048190)
-            )
-           )
-          )
-         )
-         (br $MFor_loop.6)
-        )
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-    (block $do_backpatches.19
-    )
-   )
-   (global.get $count_1114)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name >=))) (mimp_mod pervasives.gr) (mimp_name >=)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name >=))) (mimp_mod pervasives.gr) (mimp_name >=)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((name -))) (mimp_mod pervasives.gr) (mimp_name -)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name -))) (mimp_mod pervasives.gr) (mimp_name -)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind b_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstI32 12)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MGlobalBind count_1114 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstI32 0)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MFor
+           ((((instr_desc
+               (MStore
+                (((MLocalBind 1 Managed)
+                  ((instr_desc
+                    (MCallKnown (func -_1124)
+                     (closure
+                      ((immediate_desc
+                        (MIncRef
+                         ((immediate_desc
+                           (MImmBinding (MGlobalBind -_1124 Managed)))
+                          (immediate_analyses ((last_usage Last))))))
+                       (immediate_analyses ((last_usage Unknown)))))
+                     (func_type ((Managed Managed) (Managed)))
+                     (args
+                      (((immediate_desc
+                         (MIncRef
+                          ((immediate_desc
+                            (MImmBinding (MGlobalBind b_1113 Managed)))
+                           (immediate_analyses ((last_usage Unknown))))))
+                        (immediate_analyses ((last_usage Unknown))))
+                       ((immediate_desc (MImmConst (MConstI32 1)))
+                        (immediate_analyses ((last_usage Unknown))))))))))))))
+             ((instr_desc
+               (MStore
+                (((MLocalBind 1 (Unmanaged WasmI32))
+                  ((instr_desc
+                    (MSet (MGlobalBind b_1113 Managed)
+                     ((instr_desc
+                       (MImmediate
+                        ((immediate_desc
+                          (MImmBinding (MLocalBind 1 Managed)))
+                         (immediate_analyses ((last_usage Last)))))))))))))))
+             ((instr_desc
+               (MCallKnown (func >=_1126)
+                (closure
+                 ((immediate_desc
+                   (MIncRef
+                    ((immediate_desc
+                      (MImmBinding (MGlobalBind >=_1126 Managed)))
+                     (immediate_analyses ((last_usage Last))))))
+                  (immediate_analyses ((last_usage Unknown)))))
+                (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+                (args
+                 (((immediate_desc
+                    (MIncRef
+                     ((immediate_desc
+                       (MImmBinding (MGlobalBind b_1113 Managed)))
+                      (immediate_analyses ((last_usage Last))))))
+                   (immediate_analyses ((last_usage Unknown))))
+                  ((immediate_desc (MImmConst (MConstI32 0)))
+                   (immediate_analyses ((last_usage Unknown)))))))))))
+           ()
+           (((instr_desc
+              (MStore
+               (((MLocalBind 0 Managed)
+                 ((instr_desc
+                   (MCallKnown (func +_1120)
+                    (closure
+                     ((immediate_desc
+                       (MIncRef
+                        ((immediate_desc
+                          (MImmBinding (MGlobalBind +_1120 Managed)))
+                         (immediate_analyses ((last_usage Last))))))
+                      (immediate_analyses ((last_usage Unknown)))))
+                    (func_type ((Managed Managed) (Managed)))
+                    (args
+                     (((immediate_desc
+                        (MIncRef
+                         ((immediate_desc
+                           (MImmBinding (MGlobalBind count_1114 Managed)))
+                          (immediate_analyses ((last_usage Unknown))))))
+                       (immediate_analyses ((last_usage Unknown))))
+                      ((immediate_desc (MImmConst (MConstI32 1)))
+                       (immediate_analyses ((last_usage Unknown))))))))))))))
+            ((instr_desc
+              (MSet (MGlobalBind count_1114 Managed)
+               ((instr_desc
+                 (MImmediate
+                  ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+                   (immediate_analyses ((last_usage Last)))))))))))))))))))
+   ((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmBinding (MGlobalBind count_1114 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 2) (stack_size_i32 2) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name count)) true Managed ()) (((name b)) true Managed ())))
+ (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/loops.c2b7bfc6.0.snapshot b/compiler/test/__snapshots__/loops.c2b7bfc6.0.snapshot
index e5fe78617..217661d97 100644
--- a/compiler/test/__snapshots__/loops.c2b7bfc6.0.snapshot
+++ b/compiler/test/__snapshots__/loops.c2b7bfc6.0.snapshot
@@ -1,134 +1,91 @@
 loops › loop3
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$>\" (global $>_1120 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$-\" (global $-_1118 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \">\" (func $>_1120 (param i32 i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"-\" (func $-_1118 (param i32 i32 i32) (result i32)))
- (global $b_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.14 (result i32)
-   (block $compile_store.2
-    (global.set $b_1113
-     (i32.const 7)
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (block $compile_store.13
-    (local.set $7
-     (block $MFor.3 (result i32)
-      (drop
-       (loop $MFor_loop.4
-        (block $MFor_loop_body.11
-         (drop
-          (br_if $MFor.3
-           (i32.const 1879048190)
-           (i32.eqz
-            (i32.shr_u
-             (block $compile_block.6 (result i32)
-              (call $>_1120
-               (call $incRef_0
-                (global.get $GRAIN$EXPORT$incRef_0)
-                (global.get $>_1120)
-               )
-               (call $incRef_0
-                (global.get $GRAIN$EXPORT$incRef_0)
-                (global.get $b_1113)
-               )
-               (i32.const 1)
-              )
-             )
-             (i32.const 31)
-            )
-           )
-          )
-         )
-         (block $MFor_continue.5
-          (drop
-           (block $compile_block.10 (result i32)
-            (block $compile_store.8
-             (local.set $6
-              (call $-_1118
-               (call $incRef_0
-                (global.get $GRAIN$EXPORT$incRef_0)
-                (global.get $-_1118)
-               )
-               (call $incRef_0
-                (global.get $GRAIN$EXPORT$incRef_0)
-                (global.get $b_1113)
-               )
-               (i32.const 3)
-              )
-             )
-             (block $do_backpatches.7
-             )
-            )
-            (block $compile_set.9 (result i32)
-             (global.set $b_1113
-              (tuple.extract 0
-               (tuple.make
-                (call $incRef_0
-                 (global.get $GRAIN$EXPORT$incRef_0)
-                 (local.get $6)
-                )
-                (call $decRef_0
-                 (global.get $GRAIN$EXPORT$decRef_0)
-                 (global.get $b_1113)
-                )
-               )
-              )
-             )
-             (i32.const 1879048190)
-            )
-           )
-          )
-         )
-         (br $MFor_loop.4)
-        )
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-    (block $do_backpatches.12
-    )
-   )
-   (global.get $b_1113)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name >))) (mimp_mod pervasives.gr) (mimp_name >)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name >))) (mimp_mod pervasives.gr) (mimp_name >)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((name -))) (mimp_mod pervasives.gr) (mimp_name -)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name -))) (mimp_mod pervasives.gr) (mimp_name -)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind b_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstI32 3)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MFor
+           ((((instr_desc
+               (MCallKnown (func >_1120)
+                (closure
+                 ((immediate_desc
+                   (MIncRef
+                    ((immediate_desc
+                      (MImmBinding (MGlobalBind >_1120 Managed)))
+                     (immediate_analyses ((last_usage Last))))))
+                  (immediate_analyses ((last_usage Unknown)))))
+                (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+                (args
+                 (((immediate_desc
+                    (MIncRef
+                     ((immediate_desc
+                       (MImmBinding (MGlobalBind b_1113 Managed)))
+                      (immediate_analyses ((last_usage Unknown))))))
+                   (immediate_analyses ((last_usage Unknown))))
+                  ((immediate_desc (MImmConst (MConstI32 0)))
+                   (immediate_analyses ((last_usage Unknown)))))))))))
+           ()
+           (((instr_desc
+              (MStore
+               (((MLocalBind 0 Managed)
+                 ((instr_desc
+                   (MCallKnown (func -_1118)
+                    (closure
+                     ((immediate_desc
+                       (MIncRef
+                        ((immediate_desc
+                          (MImmBinding (MGlobalBind -_1118 Managed)))
+                         (immediate_analyses ((last_usage Last))))))
+                      (immediate_analyses ((last_usage Unknown)))))
+                    (func_type ((Managed Managed) (Managed)))
+                    (args
+                     (((immediate_desc
+                        (MIncRef
+                         ((immediate_desc
+                           (MImmBinding (MGlobalBind b_1113 Managed)))
+                          (immediate_analyses ((last_usage Unknown))))))
+                       (immediate_analyses ((last_usage Unknown))))
+                      ((immediate_desc (MImmConst (MConstI32 1)))
+                       (immediate_analyses ((last_usage Unknown))))))))))))))
+            ((instr_desc
+              (MSet (MGlobalBind b_1113 Managed)
+               ((instr_desc
+                 (MImmediate
+                  ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+                   (immediate_analyses ((last_usage Last)))))))))))))))))))
+   ((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmBinding (MGlobalBind b_1113 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 1) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name b)) true Managed ()))) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/loops.f1c03b79.0.snapshot b/compiler/test/__snapshots__/loops.f1c03b79.0.snapshot
index b2f373ac3..3850ba0c8 100644
--- a/compiler/test/__snapshots__/loops.f1c03b79.0.snapshot
+++ b/compiler/test/__snapshots__/loops.f1c03b79.0.snapshot
@@ -1,186 +1,138 @@
 loops › loop4
-(module
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$>\" (global $>_1126 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1124 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$-\" (global $-_1120 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \">\" (func $>_1126 (param i32 i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1124 (param i32 i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"-\" (func $-_1120 (param i32 i32 i32) (result i32)))
- (global $count_1114 (mut i32) (i32.const 0))
- (global $b_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (block $compile_block.21 (result i32)
-   (block $compile_store.2
-    (global.set $b_1113
-     (i32.const 25)
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (block $compile_store.4
-    (global.set $count_1114
-     (i32.const 1)
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (block $compile_store.20
-    (local.set $8
-     (block $MFor.5 (result i32)
-      (drop
-       (loop $MFor_loop.6
-        (block $MFor_loop_body.18
-         (drop
-          (br_if $MFor.5
-           (i32.const 1879048190)
-           (i32.eqz
-            (i32.shr_u
-             (block $compile_block.8 (result i32)
-              (call $>_1126
-               (call $incRef_0
-                (global.get $GRAIN$EXPORT$incRef_0)
-                (global.get $>_1126)
-               )
-               (call $incRef_0
-                (global.get $GRAIN$EXPORT$incRef_0)
-                (global.get $b_1113)
-               )
-               (i32.const 1)
-              )
-             )
-             (i32.const 31)
-            )
-           )
-          )
-         )
-         (block $MFor_continue.7
-          (drop
-           (block $compile_block.17 (result i32)
-            (block $compile_store.10
-             (local.set $6
-              (call $-_1120
-               (call $incRef_0
-                (global.get $GRAIN$EXPORT$incRef_0)
-                (global.get $-_1120)
-               )
-               (call $incRef_0
-                (global.get $GRAIN$EXPORT$incRef_0)
-                (global.get $b_1113)
-               )
-               (i32.const 3)
-              )
-             )
-             (block $do_backpatches.9
-             )
-            )
-            (block $compile_store.13
-             (local.set $9
-              (block $compile_set.11 (result i32)
-               (global.set $b_1113
-                (tuple.extract 0
-                 (tuple.make
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (local.get $6)
-                  )
-                  (call $decRef_0
-                   (global.get $GRAIN$EXPORT$decRef_0)
-                   (global.get $b_1113)
-                  )
-                 )
-                )
-               )
-               (i32.const 1879048190)
-              )
-             )
-             (block $do_backpatches.12
-             )
-            )
-            (block $compile_store.15
-             (local.set $7
-              (call $+_1124
-               (call $incRef_0
-                (global.get $GRAIN$EXPORT$incRef_0)
-                (global.get $+_1124)
-               )
-               (call $incRef_0
-                (global.get $GRAIN$EXPORT$incRef_0)
-                (global.get $count_1114)
-               )
-               (i32.const 3)
-              )
-             )
-             (block $do_backpatches.14
-             )
-            )
-            (block $compile_set.16 (result i32)
-             (global.set $count_1114
-              (tuple.extract 0
-               (tuple.make
-                (call $incRef_0
-                 (global.get $GRAIN$EXPORT$incRef_0)
-                 (local.get $7)
-                )
-                (call $decRef_0
-                 (global.get $GRAIN$EXPORT$decRef_0)
-                 (global.get $count_1114)
-                )
-               )
-              )
-             )
-             (i32.const 1879048190)
-            )
-           )
-          )
-         )
-         (br $MFor_loop.6)
-        )
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-    (block $do_backpatches.19
-    )
-   )
-   (global.get $count_1114)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name >))) (mimp_mod pervasives.gr) (mimp_name >)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name >))) (mimp_mod pervasives.gr) (mimp_name >)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((name -))) (mimp_mod pervasives.gr) (mimp_name -)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name -))) (mimp_mod pervasives.gr) (mimp_name -)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind b_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstI32 12)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MGlobalBind count_1114 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstI32 0)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MFor
+           ((((instr_desc
+               (MCallKnown (func >_1126)
+                (closure
+                 ((immediate_desc
+                   (MIncRef
+                    ((immediate_desc
+                      (MImmBinding (MGlobalBind >_1126 Managed)))
+                     (immediate_analyses ((last_usage Last))))))
+                  (immediate_analyses ((last_usage Unknown)))))
+                (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+                (args
+                 (((immediate_desc
+                    (MIncRef
+                     ((immediate_desc
+                       (MImmBinding (MGlobalBind b_1113 Managed)))
+                      (immediate_analyses ((last_usage Unknown))))))
+                   (immediate_analyses ((last_usage Unknown))))
+                  ((immediate_desc (MImmConst (MConstI32 0)))
+                   (immediate_analyses ((last_usage Unknown)))))))))))
+           ()
+           (((instr_desc
+              (MStore
+               (((MLocalBind 0 Managed)
+                 ((instr_desc
+                   (MCallKnown (func -_1120)
+                    (closure
+                     ((immediate_desc
+                       (MIncRef
+                        ((immediate_desc
+                          (MImmBinding (MGlobalBind -_1120 Managed)))
+                         (immediate_analyses ((last_usage Last))))))
+                      (immediate_analyses ((last_usage Unknown)))))
+                    (func_type ((Managed Managed) (Managed)))
+                    (args
+                     (((immediate_desc
+                        (MIncRef
+                         ((immediate_desc
+                           (MImmBinding (MGlobalBind b_1113 Managed)))
+                          (immediate_analyses ((last_usage Unknown))))))
+                       (immediate_analyses ((last_usage Unknown))))
+                      ((immediate_desc (MImmConst (MConstI32 1)))
+                       (immediate_analyses ((last_usage Unknown))))))))))))))
+            ((instr_desc
+              (MStore
+               (((MLocalBind 1 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MSet (MGlobalBind b_1113 Managed)
+                    ((instr_desc
+                      (MImmediate
+                       ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+                        (immediate_analyses ((last_usage Last)))))))))))))))
+            ((instr_desc
+              (MStore
+               (((MLocalBind 1 Managed)
+                 ((instr_desc
+                   (MCallKnown (func +_1124)
+                    (closure
+                     ((immediate_desc
+                       (MIncRef
+                        ((immediate_desc
+                          (MImmBinding (MGlobalBind +_1124 Managed)))
+                         (immediate_analyses ((last_usage Last))))))
+                      (immediate_analyses ((last_usage Unknown)))))
+                    (func_type ((Managed Managed) (Managed)))
+                    (args
+                     (((immediate_desc
+                        (MIncRef
+                         ((immediate_desc
+                           (MImmBinding (MGlobalBind count_1114 Managed)))
+                          (immediate_analyses ((last_usage Unknown))))))
+                       (immediate_analyses ((last_usage Unknown))))
+                      ((immediate_desc (MImmConst (MConstI32 1)))
+                       (immediate_analyses ((last_usage Unknown))))))))))))))
+            ((instr_desc
+              (MSet (MGlobalBind count_1114 Managed)
+               ((instr_desc
+                 (MImmediate
+                  ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+                   (immediate_analyses ((last_usage Last)))))))))))))))))))
+   ((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmBinding (MGlobalBind count_1114 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 2) (stack_size_i32 2) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name count)) true Managed ()) (((name b)) true Managed ())))
+ (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/modules.52d25a2f.0.snapshot b/compiler/test/__snapshots__/modules.52d25a2f.0.snapshot
index 52fc1828b..93d336be0 100644
--- a/compiler/test/__snapshots__/modules.52d25a2f.0.snapshot
+++ b/compiler/test/__snapshots__/modules.52d25a2f.0.snapshot
@@ -1,35 +1,13 @@
 modules › smallest_submodule
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const 1879048190)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstLiteral (MConstI32 1879048190))))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/optimizations.d72b00c6.0.snapshot b/compiler/test/__snapshots__/optimizations.d72b00c6.0.snapshot
index b3858414a..43949e05f 100644
--- a/compiler/test/__snapshots__/optimizations.d72b00c6.0.snapshot
+++ b/compiler/test/__snapshots__/optimizations.d72b00c6.0.snapshot
@@ -1,86 +1,49 @@
 optimizations › trs1
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (global $f1_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $f1_1113 (param $0 i32) (param $1 i32) (param $2 i32) (result i32)
-  (local $3 i32)
-  (local $4 i32)
-  (local $5 i32)
-  (local $6 i64)
-  (local $7 f32)
-  (local $8 f64)
-  (block $compile_block.2 (result i32)
-   (tuple.extract 0
-    (tuple.make
-     (local.get $1)
-     (block $cleanup.1 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $0)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $2)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.5
-   (block $compile_store.4
-    (global.set $f1_1113
-     (i32.const 0)
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (return_call $f1_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $f1_1113)
-    )
-    (i32.const 3)
-    (i32.const 5)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions
+  (((id ((stamp 1113) (name f1))) (name (f1))
+    (args (Managed Managed Managed)) (return_type (Managed)) (closure ())
+    (body
+     (((instr_desc
+        (MCleanup
+         (((instr_desc
+            (MImmediate
+             ((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+              (immediate_analyses ((last_usage Last))))))))
+         (((immediate_desc (MImmBinding (MArgBind 2 Managed)))
+           (immediate_analyses ((last_usage Unknown))))
+          ((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))))
+    (stack_size
+     ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+      (stack_size_f32 0) (stack_size_f64 0)))
+    (attrs ()))))
+ (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind f1_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func f1_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind f1_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 2)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((stamp 1113) (name f1)) true Managed ())))
+ (function_table_elements ())
+ (global_function_table_offset ((stamp 1125) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/optimizations.ff6d5bfb.0.snapshot b/compiler/test/__snapshots__/optimizations.ff6d5bfb.0.snapshot
index 4181471b7..f7d187faf 100644
--- a/compiler/test/__snapshots__/optimizations.ff6d5bfb.0.snapshot
+++ b/compiler/test/__snapshots__/optimizations.ff6d5bfb.0.snapshot
@@ -1,180 +1,84 @@
 optimizations › test_dead_branch_elimination_5
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1126 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1126 (param i32 i32 i32) (result i32)))
- (global $y_1114 (mut i32) (i32.const 0))
- (global $x_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (block $compile_block.17
-   (block $compile_store.3
-    (global.set $x_1113
-     (block $allocate_tuple.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 12)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (global.set $y_1114
-     (block $allocate_tuple.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 12)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 5)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.9
-    (local.set $8
-     (block $MTupleSet.7 (result i32)
-      (i32.store offset=8
-       (global.get $x_1113)
-       (tuple.extract 0
-        (tuple.make
-         (i32.const 7)
-         (call $decRef_0
-          (global.get $GRAIN$EXPORT$decRef_0)
-          (i32.load offset=8
-           (global.get $x_1113)
-          )
-         )
-        )
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $compile_store.12
-    (local.set $9
-     (block $MTupleSet.10 (result i32)
-      (i32.store offset=8
-       (global.get $y_1114)
-       (tuple.extract 0
-        (tuple.make
-         (i32.const 9)
-         (call $decRef_0
-          (global.get $GRAIN$EXPORT$decRef_0)
-          (i32.load offset=8
-           (global.get $y_1114)
-          )
-         )
-        )
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-    (block $do_backpatches.11
-    )
-   )
-   (block $compile_store.14
-    (local.set $6
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (global.get $x_1113)
-      )
-     )
-    )
-    (block $do_backpatches.13
-    )
-   )
-   (block $compile_store.16
-    (local.set $7
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (global.get $y_1114)
-      )
-     )
-    )
-    (block $do_backpatches.15
-    )
-   )
-   (return_call $+_1126
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $+_1126)
-    )
-    (local.get $6)
-    (local.get $7)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind x_1113 Managed)
+        ((instr_desc
+          (MAllocate
+           (MBox
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown)))))))))))))
+   ((instr_desc
+     (MStore
+      (((MGlobalBind y_1114 Managed)
+        ((instr_desc
+          (MAllocate
+           (MBox
+            ((immediate_desc (MImmConst (MConstI32 2)))
+             (immediate_analyses ((last_usage Unknown)))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MBoxOp
+           (MBoxUpdate
+            ((immediate_desc (MImmConst (MConstI32 3)))
+             (immediate_analyses ((last_usage Unknown)))))
+           ((immediate_desc (MImmBinding (MGlobalBind x_1113 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 (Unmanaged WasmI32))
+        ((instr_desc
+          (MBoxOp
+           (MBoxUpdate
+            ((immediate_desc (MImmConst (MConstI32 4)))
+             (immediate_analyses ((last_usage Unknown)))))
+           ((immediate_desc (MImmBinding (MGlobalBind y_1114 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MBoxOp MBoxUnbox
+           ((immediate_desc (MImmBinding (MGlobalBind x_1113 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MBoxOp MBoxUnbox
+           ((immediate_desc (MImmBinding (MGlobalBind y_1114 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func +_1126)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind +_1126 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+         (immediate_analyses ((last_usage Last))))
+        ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 2) (stack_size_i32 2) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((name y)) true Managed ()) (((name x)) true Managed ())))
+ (function_table_elements ())
+ (global_function_table_offset ((name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/pattern_matching.0539d13e.0.snapshot b/compiler/test/__snapshots__/pattern_matching.0539d13e.0.snapshot
index f768a3ae7..a9604da3b 100644
--- a/compiler/test/__snapshots__/pattern_matching.0539d13e.0.snapshot
+++ b/compiler/test/__snapshots__/pattern_matching.0539d13e.0.snapshot
@@ -1,230 +1,117 @@
 pattern matching › record_match_3
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1125 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1125 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (block $compile_block.19 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_record.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 3)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 656589387)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2227)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 9)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (i32.const 13)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.5
-    (local.set $7
-     (i32.const 0)
-    )
-    (block $do_backpatches.4
-    )
-   )
-   (block $compile_store.7
-    (local.set $8
-     (i32.const 0)
-    )
-    (block $do_backpatches.6
-    )
-   )
-   (block $compile_store.9
-    (local.set $9
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=16
-       (local.get $6)
-      )
-     )
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $compile_store.11
-    (local.set $10
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=20
-       (local.get $6)
-      )
-     )
-    )
-    (block $do_backpatches.10
-    )
-   )
-   (block $cleanup.12
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $6)
-     )
-    )
-   )
-   (drop
-    (block $compile_set.13 (result i32)
-     (local.set $8
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $10)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $8)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.14 (result i32)
-     (local.set $7
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $9)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $7)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (tuple.extract 0
-    (tuple.make
-     (block $switch.16_outer (result i32)
-      (block $switch.16_branch_0 (result i32)
-       (drop
-        (block $switch.16_branch_1 (result i32)
-         (drop
-          (block $switch.16_default (result i32)
-           (br_table $switch.16_branch_1 $switch.16_default $switch.16_default
-            (i32.const 0)
-            (i32.shr_s
-             (i32.const 1)
-             (i32.const 1)
-            )
-           )
-          )
-         )
-         (br $switch.16_outer
-          (block $compile_block.18 (result i32)
-           (unreachable)
-          )
-         )
-        )
-       )
-       (br $switch.16_outer
-        (block $compile_block.17
-         (return_call $+_1125
-          (call $incRef_0
-           (global.get $GRAIN$EXPORT$incRef_0)
-           (global.get $+_1125)
-          )
-          (local.get $7)
-          (local.get $8)
-         )
-        )
-       )
-      )
-     )
-     (block $cleanup.15 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $7)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $8)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 643
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1125) (name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1125) (name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MRecord
+            ((immediate_desc (MImmConst (MConstI32 328294693)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1113)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((foo)
+              ((immediate_desc (MImmConst (MConstI32 4)))
+               (immediate_analyses ((last_usage Unknown)))))
+             ((bar)
+              ((immediate_desc (MImmConst (MConstI32 5)))
+               (immediate_analyses ((last_usage Unknown)))))
+             ((baz)
+              ((immediate_desc (MImmConst (MConstI32 6)))
+               (immediate_analyses ((last_usage Unknown)))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MRecordOp (MRecordGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 Managed)
+        ((instr_desc
+          (MRecordOp (MRecordGet 1)
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MLocalBind 2 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MLocalBind 1 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MCleanup
+      (((instr_desc
+         (MSwitch
+          ((immediate_desc (MImmConst (MConstI32 0)))
+           (immediate_analyses ((last_usage Unknown))))
+          ((0
+            (((instr_desc
+               (MReturnCallKnown (func +_1125)
+                (closure
+                 ((immediate_desc
+                   (MIncRef
+                    ((immediate_desc
+                      (MImmBinding (MGlobalBind +_1125 Managed)))
+                     (immediate_analyses ((last_usage Last))))))
+                  (immediate_analyses ((last_usage Unknown)))))
+                (func_type ((Managed Managed) (Managed)))
+                (args
+                 (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+                   (immediate_analyses ((last_usage Last))))
+                  ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+                   (immediate_analyses ((last_usage Last))))))))))))
+          (((instr_desc
+             (MImmediate
+              ((immediate_desc MImmTrap)
+               (immediate_analyses ((last_usage Unknown))))))))
+          Managed))))
+      (((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 5) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1126) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/pattern_matching.05b60a1e.0.snapshot b/compiler/test/__snapshots__/pattern_matching.05b60a1e.0.snapshot
index b0da5a7ec..56fa3a899 100644
--- a/compiler/test/__snapshots__/pattern_matching.05b60a1e.0.snapshot
+++ b/compiler/test/__snapshots__/pattern_matching.05b60a1e.0.snapshot
@@ -1,351 +1,164 @@
 pattern matching › adt_match_deep
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (local $13 i32)
-  (local $14 i32)
-  (local $15 i32)
-  (block $compile_block.36 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_record.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 3)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1047233621)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2227)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 11)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_adt.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.9
-    (local.set $8
-     (block $allocate_adt.7 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (local.get $6)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $7)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $compile_store.11
-    (local.set $9
-     (i32.const 0)
-    )
-    (block $do_backpatches.10
-    )
-   )
-   (block $compile_store.13
-    (local.set $12
-     (i32.load offset=12
-      (local.get $8)
-     )
-    )
-    (block $do_backpatches.12
-    )
-   )
-   (block $compile_store.15
-    (local.set $13
-     (i32.or
-      (i32.shl
-       (i32.eq
-        (local.get $12)
-        (i32.const 1)
-       )
-       (i32.const 31)
-      )
-      (i32.const 2147483646)
-     )
-    )
-    (block $do_backpatches.14
-    )
-   )
-   (block $compile_store.29
-    (local.set $14
-     (if (result i32)
-      (i32.shr_u
-       (local.get $13)
-       (i32.const 31)
-      )
-      (block $compile_block.22 (result i32)
-       (block $compile_store.17
-        (local.set $10
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (i32.load offset=20
-           (local.get $8)
-          )
-         )
-        )
-        (block $do_backpatches.16
-        )
-       )
-       (block $compile_store.19
-        (local.set $11
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (i32.load offset=16
-           (local.get $10)
-          )
-         )
-        )
-        (block $do_backpatches.18
-        )
-       )
-       (block $cleanup.20
-        (drop
-         (call $decRef_0
-          (global.get $GRAIN$EXPORT$decRef_0)
-          (local.get $10)
-         )
-        )
-       )
-       (drop
-        (block $compile_set.21 (result i32)
-         (local.set $9
-          (tuple.extract 0
-           (tuple.make
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (local.get $11)
-            )
-            (call $decRef_0
-             (global.get $GRAIN$EXPORT$decRef_0)
-             (local.get $9)
-            )
-           )
-          )
-         )
-         (i32.const 1879048190)
-        )
-       )
-       (i32.const 3)
-      )
-      (block $compile_block.27 (result i32)
-       (block $compile_store.24
-        (local.set $15
-         (i32.or
-          (i32.shl
-           (i32.eq
-            (local.get $12)
-            (i32.const 3)
-           )
-           (i32.const 31)
-          )
-          (i32.const 2147483646)
-         )
-        )
-        (block $do_backpatches.23
-        )
-       )
-       (if (result i32)
-        (i32.shr_u
-         (local.get $15)
-         (i32.const 31)
-        )
-        (block $compile_block.25 (result i32)
-         (i32.const 1)
-        )
-        (block $compile_block.26
-         (unreachable)
-        )
-       )
-      )
-     )
-    )
-    (block $do_backpatches.28
-    )
-   )
-   (block $cleanup.30
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $8)
-     )
-    )
-   )
-   (tuple.extract 0
-    (tuple.make
-     (block $switch.32_outer (result i32)
-      (block $switch.32_branch_0 (result i32)
-       (drop
-        (block $switch.32_branch_1 (result i32)
-         (drop
-          (block $switch.32_branch_2 (result i32)
-           (drop
-            (block $switch.32_default (result i32)
-             (br_table $switch.32_branch_1 $switch.32_branch_2 $switch.32_default $switch.32_default
-              (i32.const 0)
-              (i32.shr_s
-               (local.get $14)
-               (i32.const 1)
-              )
-             )
-            )
-           )
-           (br $switch.32_outer
-            (block $compile_block.35 (result i32)
-             (unreachable)
-            )
-           )
-          )
-         )
-         (br $switch.32_outer
-          (block $compile_block.34 (result i32)
-           (call $incRef_0
-            (global.get $GRAIN$EXPORT$incRef_0)
-            (local.get $9)
-           )
-          )
-         )
-        )
-       )
-       (br $switch.32_outer
-        (block $compile_block.33 (result i32)
-         (i32.const 1999)
-        )
-       )
-      )
-     )
-     (block $cleanup.31 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $9)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 486
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MRecord
+            ((immediate_desc (MImmConst (MConstI32 523616810)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1113)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((foo)
+              ((immediate_desc (MImmConst (MConstI32 5)))
+               (immediate_analyses ((last_usage Unknown)))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))
+             ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MAdtOp MAdtGetTag
+           ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 (Unmanaged WasmI32))
+        ((instr_desc
+          (MPrim2 Is
+           ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Unknown))))
+           ((immediate_desc (MImmConst (MConstI32 0)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 (Unmanaged WasmI32))
+        ((instr_desc
+          (MIf
+           ((immediate_desc (MImmBinding (MLocalBind 1 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Last))))
+           (((instr_desc
+              (MStore
+               (((MLocalBind 4 Managed)
+                 ((instr_desc
+                   (MAdtOp (MAdtGet 0)
+                    ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+                     (immediate_analyses ((last_usage Last))))))))))))
+            ((instr_desc
+              (MStore
+               (((MLocalBind 5 Managed)
+                 ((instr_desc
+                   (MRecordOp (MRecordGet 0)
+                    ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+                     (immediate_analyses ((last_usage Last))))))))))))
+            ((instr_desc
+              (MCleanup ()
+               (((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+                 (immediate_analyses ((last_usage Unknown))))))))
+            ((instr_desc
+              (MDrop
+               ((instr_desc
+                 (MSet (MLocalBind 3 Managed)
+                  ((instr_desc
+                    (MImmediate
+                     ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+                      (immediate_analyses ((last_usage Last)))))))))))))
+            ((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmConst (MConstI32 1)))
+                (immediate_analyses ((last_usage Unknown))))))))
+           (((instr_desc
+              (MStore
+               (((MLocalBind 3 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MPrim2 Is
+                    ((immediate_desc
+                      (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+                     (immediate_analyses ((last_usage Last))))
+                    ((immediate_desc (MImmConst (MConstI32 1)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MIf
+               ((immediate_desc
+                 (MImmBinding (MLocalBind 3 (Unmanaged WasmI32))))
+                (immediate_analyses ((last_usage Last))))
+               (((instr_desc
+                  (MImmediate
+                   ((immediate_desc (MImmConst (MConstI32 0)))
+                    (immediate_analyses ((last_usage Unknown))))))))
+               (((instr_desc
+                  (MImmediate
+                   ((immediate_desc MImmTrap)
+                    (immediate_analyses ((last_usage Unknown))))))))))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MCleanup
+      (((instr_desc
+         (MSwitch
+          ((immediate_desc (MImmBinding (MLocalBind 2 (Unmanaged WasmI32))))
+           (immediate_analyses ((last_usage Last))))
+          ((0
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc (MImmConst (MConstI32 999)))
+                 (immediate_analyses ((last_usage Unknown)))))))))
+           (1
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc
+                  (MIncRef
+                   ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+                    (immediate_analyses ((last_usage Last))))))
+                 (immediate_analyses ((last_usage Unknown))))))))))
+          (((instr_desc
+             (MImmediate
+              ((immediate_desc MImmTrap)
+               (immediate_analyses ((last_usage Unknown))))))))
+          Managed))))
+      (((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 6) (stack_size_i32 4) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1130) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/pattern_matching.0ad4ac05.0.snapshot b/compiler/test/__snapshots__/pattern_matching.0ad4ac05.0.snapshot
index 4c38937f6..c0e20a930 100644
--- a/compiler/test/__snapshots__/pattern_matching.0ad4ac05.0.snapshot
+++ b/compiler/test/__snapshots__/pattern_matching.0ad4ac05.0.snapshot
@@ -1,1260 +1,776 @@
 pattern matching › tuple_match_deep4
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1153 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1153 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (local $13 i32)
-  (local $14 i32)
-  (local $15 i32)
-  (local $16 i32)
-  (local $17 i32)
-  (local $18 i32)
-  (local $19 i32)
-  (local $20 i32)
-  (local $21 i32)
-  (local $22 i32)
-  (local $23 i32)
-  (local $24 i32)
-  (local $25 i32)
-  (local $26 i32)
-  (local $27 i32)
-  (local $28 i32)
-  (local $29 i32)
-  (local $30 i32)
-  (local $31 i32)
-  (local $32 i32)
-  (local $33 i32)
-  (local $34 i32)
-  (local $35 i32)
-  (local $36 i32)
-  (local $37 i32)
-  (local $38 i32)
-  (local $39 i32)
-  (local $40 i32)
-  (local $41 i32)
-  (block $compile_block.117 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_adt.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_adt.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 5)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $6)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.9
-    (local.set $8
-     (block $allocate_tuple.7 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (local.get $7)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $compile_store.11
-    (local.set $9
-     (i32.const 0)
-    )
-    (block $do_backpatches.10
-    )
-   )
-   (block $compile_store.13
-    (local.set $10
-     (i32.const 0)
-    )
-    (block $do_backpatches.12
-    )
-   )
-   (block $compile_store.15
-    (local.set $11
-     (i32.const 0)
-    )
-    (block $do_backpatches.14
-    )
-   )
-   (block $compile_store.17
-    (local.set $12
-     (i32.const 0)
-    )
-    (block $do_backpatches.16
-    )
-   )
-   (block $compile_store.19
-    (local.set $13
-     (i32.const 0)
-    )
-    (block $do_backpatches.18
-    )
-   )
-   (block $compile_store.21
-    (local.set $14
-     (i32.const 0)
-    )
-    (block $do_backpatches.20
-    )
-   )
-   (block $compile_store.23
-    (local.set $15
-     (i32.const 0)
-    )
-    (block $do_backpatches.22
-    )
-   )
-   (block $compile_store.25
-    (local.set $16
-     (i32.const 0)
-    )
-    (block $do_backpatches.24
-    )
-   )
-   (block $compile_store.27
-    (local.set $17
-     (i32.const 0)
-    )
-    (block $do_backpatches.26
-    )
-   )
-   (block $compile_store.29
-    (local.set $18
-     (i32.const 0)
-    )
-    (block $do_backpatches.28
-    )
-   )
-   (block $compile_store.31
-    (local.set $19
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (local.get $8)
-      )
-     )
-    )
-    (block $do_backpatches.30
-    )
-   )
-   (block $compile_store.33
-    (local.set $20
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=12
-       (local.get $8)
-      )
-     )
-    )
-    (block $do_backpatches.32
-    )
-   )
-   (block $cleanup.34
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $8)
-     )
-    )
-   )
-   (block $compile_store.36
-    (local.set $30
-     (i32.load offset=12
-      (local.get $20)
-     )
-    )
-    (block $do_backpatches.35
-    )
-   )
-   (block $compile_store.38
-    (local.set $31
-     (i32.or
-      (i32.shl
-       (i32.eq
-        (local.get $30)
-        (i32.const 1)
-       )
-       (i32.const 31)
-      )
-      (i32.const 2147483646)
-     )
-    )
-    (block $do_backpatches.37
-    )
-   )
-   (block $compile_store.98
-    (local.set $32
-     (if (result i32)
-      (i32.shr_u
-       (local.get $31)
-       (i32.const 31)
-      )
-      (block $compile_block.90 (result i32)
-       (block $compile_store.40
-        (local.set $21
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (i32.load offset=20
-           (local.get $20)
-          )
-         )
-        )
-        (block $do_backpatches.39
-        )
-       )
-       (block $compile_store.42
-        (local.set $22
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (i32.load offset=24
-           (local.get $20)
-          )
-         )
-        )
-        (block $do_backpatches.41
-        )
-       )
-       (block $compile_store.44
-        (local.set $34
-         (i32.load offset=12
-          (local.get $22)
-         )
-        )
-        (block $do_backpatches.43
-        )
-       )
-       (block $compile_store.46
-        (local.set $35
-         (i32.or
-          (i32.shl
-           (i32.eq
-            (local.get $34)
-            (i32.const 1)
-           )
-           (i32.const 31)
-          )
-          (i32.const 2147483646)
-         )
-        )
-        (block $do_backpatches.45
-        )
-       )
-       (tuple.extract 0
-        (tuple.make
-         (if (result i32)
-          (i32.shr_u
-           (local.get $35)
-           (i32.const 31)
-          )
-          (block $compile_block.82 (result i32)
-           (block $compile_store.49
-            (local.set $23
-             (call $incRef_0
-              (global.get $GRAIN$EXPORT$incRef_0)
-              (i32.load offset=20
-               (local.get $22)
-              )
-             )
-            )
-            (block $do_backpatches.48
-            )
-           )
-           (block $compile_store.51
-            (local.set $24
-             (call $incRef_0
-              (global.get $GRAIN$EXPORT$incRef_0)
-              (i32.load offset=24
-               (local.get $22)
-              )
-             )
-            )
-            (block $do_backpatches.50
-            )
-           )
-           (block $compile_store.53
-            (local.set $37
-             (i32.load offset=12
-              (local.get $24)
-             )
-            )
-            (block $do_backpatches.52
-            )
-           )
-           (block $compile_store.55
-            (local.set $38
-             (i32.or
-              (i32.shl
-               (i32.eq
-                (local.get $37)
-                (i32.const 1)
-               )
-               (i32.const 31)
-              )
-              (i32.const 2147483646)
-             )
-            )
-            (block $do_backpatches.54
-            )
-           )
-           (tuple.extract 0
-            (tuple.make
-             (if (result i32)
-              (i32.shr_u
-               (local.get $38)
-               (i32.const 31)
-              )
-              (block $compile_block.73 (result i32)
-               (block $compile_store.58
-                (local.set $25
-                 (call $incRef_0
-                  (global.get $GRAIN$EXPORT$incRef_0)
-                  (i32.load offset=20
-                   (local.get $24)
-                  )
-                 )
-                )
-                (block $do_backpatches.57
-                )
-               )
-               (block $compile_store.60
-                (local.set $26
-                 (call $incRef_0
-                  (global.get $GRAIN$EXPORT$incRef_0)
-                  (i32.load offset=24
-                   (local.get $24)
-                  )
-                 )
-                )
-                (block $do_backpatches.59
-                )
-               )
-               (block $compile_store.62
-                (local.set $40
-                 (i32.load offset=12
-                  (local.get $26)
-                 )
-                )
-                (block $do_backpatches.61
-                )
-               )
-               (block $cleanup.63
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $26)
-                 )
-                )
-               )
-               (block $compile_store.65
-                (local.set $41
-                 (i32.or
-                  (i32.shl
-                   (i32.eq
-                    (local.get $40)
-                    (i32.const 3)
-                   )
-                   (i32.const 31)
-                  )
-                  (i32.const 2147483646)
-                 )
-                )
-                (block $do_backpatches.64
-                )
-               )
-               (tuple.extract 0
-                (tuple.make
-                 (if (result i32)
-                  (i32.shr_u
-                   (local.get $41)
-                   (i32.const 31)
-                  )
-                  (block $compile_block.71 (result i32)
-                   (drop
-                    (block $compile_set.67 (result i32)
-                     (local.set $15
-                      (tuple.extract 0
-                       (tuple.make
-                        (call $incRef_0
-                         (global.get $GRAIN$EXPORT$incRef_0)
-                         (call $incRef_0
-                          (global.get $GRAIN$EXPORT$incRef_0)
-                          (local.get $19)
-                         )
-                        )
-                        (call $decRef_0
-                         (global.get $GRAIN$EXPORT$decRef_0)
-                         (local.get $15)
-                        )
-                       )
-                      )
-                     )
-                     (i32.const 1879048190)
-                    )
-                   )
-                   (drop
-                    (block $compile_set.68 (result i32)
-                     (local.set $16
-                      (tuple.extract 0
-                       (tuple.make
-                        (call $incRef_0
-                         (global.get $GRAIN$EXPORT$incRef_0)
-                         (call $incRef_0
-                          (global.get $GRAIN$EXPORT$incRef_0)
-                          (local.get $21)
-                         )
-                        )
-                        (call $decRef_0
-                         (global.get $GRAIN$EXPORT$decRef_0)
-                         (local.get $16)
-                        )
-                       )
-                      )
-                     )
-                     (i32.const 1879048190)
-                    )
-                   )
-                   (drop
-                    (block $compile_set.69 (result i32)
-                     (local.set $17
-                      (tuple.extract 0
-                       (tuple.make
-                        (call $incRef_0
-                         (global.get $GRAIN$EXPORT$incRef_0)
-                         (call $incRef_0
-                          (global.get $GRAIN$EXPORT$incRef_0)
-                          (local.get $23)
-                         )
-                        )
-                        (call $decRef_0
-                         (global.get $GRAIN$EXPORT$decRef_0)
-                         (local.get $17)
-                        )
-                       )
-                      )
-                     )
-                     (i32.const 1879048190)
-                    )
-                   )
-                   (drop
-                    (block $compile_set.70 (result i32)
-                     (local.set $18
-                      (tuple.extract 0
-                       (tuple.make
-                        (call $incRef_0
-                         (global.get $GRAIN$EXPORT$incRef_0)
-                         (call $incRef_0
-                          (global.get $GRAIN$EXPORT$incRef_0)
-                          (local.get $25)
-                         )
-                        )
-                        (call $decRef_0
-                         (global.get $GRAIN$EXPORT$decRef_0)
-                         (local.get $18)
-                        )
-                       )
-                      )
-                     )
-                     (i32.const 1879048190)
-                    )
-                   )
-                   (i32.const 7)
-                  )
-                  (block $compile_block.72 (result i32)
-                   (i32.const 9)
-                  )
-                 )
-                 (block $cleanup.66 (result i32)
-                  (drop
-                   (call $decRef_0
-                    (global.get $GRAIN$EXPORT$decRef_0)
-                    (local.get $25)
-                   )
-                  )
-                  (i32.const 1879048190)
-                 )
-                )
-               )
-              )
-              (block $compile_block.81 (result i32)
-               (block $compile_store.75
-                (local.set $39
-                 (i32.or
-                  (i32.shl
-                   (i32.eq
-                    (local.get $37)
-                    (i32.const 3)
-                   )
-                   (i32.const 31)
-                  )
-                  (i32.const 2147483646)
-                 )
-                )
-                (block $do_backpatches.74
-                )
-               )
-               (if (result i32)
-                (i32.shr_u
-                 (local.get $39)
-                 (i32.const 31)
-                )
-                (block $compile_block.79 (result i32)
-                 (drop
-                  (block $compile_set.76 (result i32)
-                   (local.set $12
-                    (tuple.extract 0
-                     (tuple.make
-                      (call $incRef_0
-                       (global.get $GRAIN$EXPORT$incRef_0)
-                       (call $incRef_0
-                        (global.get $GRAIN$EXPORT$incRef_0)
-                        (local.get $19)
-                       )
-                      )
-                      (call $decRef_0
-                       (global.get $GRAIN$EXPORT$decRef_0)
-                       (local.get $12)
-                      )
-                     )
-                    )
-                   )
-                   (i32.const 1879048190)
-                  )
-                 )
-                 (drop
-                  (block $compile_set.77 (result i32)
-                   (local.set $13
-                    (tuple.extract 0
-                     (tuple.make
-                      (call $incRef_0
-                       (global.get $GRAIN$EXPORT$incRef_0)
-                       (call $incRef_0
-                        (global.get $GRAIN$EXPORT$incRef_0)
-                        (local.get $21)
-                       )
-                      )
-                      (call $decRef_0
-                       (global.get $GRAIN$EXPORT$decRef_0)
-                       (local.get $13)
-                      )
-                     )
-                    )
-                   )
-                   (i32.const 1879048190)
-                  )
-                 )
-                 (drop
-                  (block $compile_set.78 (result i32)
-                   (local.set $14
-                    (tuple.extract 0
-                     (tuple.make
-                      (call $incRef_0
-                       (global.get $GRAIN$EXPORT$incRef_0)
-                       (call $incRef_0
-                        (global.get $GRAIN$EXPORT$incRef_0)
-                        (local.get $23)
-                       )
-                      )
-                      (call $decRef_0
-                       (global.get $GRAIN$EXPORT$decRef_0)
-                       (local.get $14)
-                      )
-                     )
-                    )
-                   )
-                   (i32.const 1879048190)
-                  )
-                 )
-                 (i32.const 5)
-                )
-                (block $compile_block.80 (result i32)
-                 (i32.const 9)
-                )
-               )
-              )
-             )
-             (block $cleanup.56 (result i32)
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $23)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $24)
-               )
-              )
-              (i32.const 1879048190)
-             )
-            )
-           )
-          )
-          (block $compile_block.89 (result i32)
-           (block $compile_store.84
-            (local.set $36
-             (i32.or
-              (i32.shl
-               (i32.eq
-                (local.get $34)
-                (i32.const 3)
-               )
-               (i32.const 31)
-              )
-              (i32.const 2147483646)
-             )
-            )
-            (block $do_backpatches.83
-            )
-           )
-           (if (result i32)
-            (i32.shr_u
-             (local.get $36)
-             (i32.const 31)
-            )
-            (block $compile_block.87 (result i32)
-             (drop
-              (block $compile_set.85 (result i32)
-               (local.set $10
-                (tuple.extract 0
-                 (tuple.make
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (call $incRef_0
-                    (global.get $GRAIN$EXPORT$incRef_0)
-                    (local.get $19)
-                   )
-                  )
-                  (call $decRef_0
-                   (global.get $GRAIN$EXPORT$decRef_0)
-                   (local.get $10)
-                  )
-                 )
-                )
-               )
-               (i32.const 1879048190)
-              )
-             )
-             (drop
-              (block $compile_set.86 (result i32)
-               (local.set $11
-                (tuple.extract 0
-                 (tuple.make
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (call $incRef_0
-                    (global.get $GRAIN$EXPORT$incRef_0)
-                    (local.get $21)
-                   )
-                  )
-                  (call $decRef_0
-                   (global.get $GRAIN$EXPORT$decRef_0)
-                   (local.get $11)
-                  )
-                 )
-                )
-               )
-               (i32.const 1879048190)
-              )
-             )
-             (i32.const 3)
-            )
-            (block $compile_block.88 (result i32)
-             (i32.const 9)
-            )
-           )
-          )
-         )
-         (block $cleanup.47 (result i32)
-          (drop
-           (call $decRef_0
-            (global.get $GRAIN$EXPORT$decRef_0)
-            (local.get $21)
-           )
-          )
-          (drop
-           (call $decRef_0
-            (global.get $GRAIN$EXPORT$decRef_0)
-            (local.get $22)
-           )
-          )
-          (i32.const 1879048190)
-         )
-        )
-       )
-      )
-      (block $compile_block.96 (result i32)
-       (block $compile_store.92
-        (local.set $33
-         (i32.or
-          (i32.shl
-           (i32.eq
-            (local.get $30)
-            (i32.const 3)
-           )
-           (i32.const 31)
-          )
-          (i32.const 2147483646)
-         )
-        )
-        (block $do_backpatches.91
-        )
-       )
-       (if (result i32)
-        (i32.shr_u
-         (local.get $33)
-         (i32.const 31)
-        )
-        (block $compile_block.94 (result i32)
-         (drop
-          (block $compile_set.93 (result i32)
-           (local.set $9
-            (tuple.extract 0
-             (tuple.make
-              (call $incRef_0
-               (global.get $GRAIN$EXPORT$incRef_0)
-               (call $incRef_0
-                (global.get $GRAIN$EXPORT$incRef_0)
-                (local.get $19)
-               )
-              )
-              (call $decRef_0
-               (global.get $GRAIN$EXPORT$decRef_0)
-               (local.get $9)
-              )
-             )
-            )
-           )
-           (i32.const 1879048190)
-          )
-         )
-         (i32.const 1)
-        )
-        (block $compile_block.95
-         (unreachable)
-        )
-       )
-      )
-     )
-    )
-    (block $do_backpatches.97
-    )
-   )
-   (block $cleanup.99
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $19)
-     )
-    )
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $20)
-     )
-    )
-   )
-   (tuple.extract 0
-    (tuple.make
-     (block $switch.101_outer (result i32)
-      (block $switch.101_branch_0 (result i32)
-       (drop
-        (block $switch.101_branch_1 (result i32)
-         (drop
-          (block $switch.101_branch_2 (result i32)
-           (drop
-            (block $switch.101_branch_3 (result i32)
-             (drop
-              (block $switch.101_branch_4 (result i32)
-               (drop
-                (block $switch.101_branch_5 (result i32)
-                 (drop
-                  (block $switch.101_default (result i32)
-                   (br_table $switch.101_branch_1 $switch.101_branch_2 $switch.101_branch_3 $switch.101_branch_4 $switch.101_branch_5 $switch.101_default $switch.101_default
-                    (i32.const 0)
-                    (i32.shr_s
-                     (local.get $32)
-                     (i32.const 1)
-                    )
-                   )
-                  )
-                 )
-                 (br $switch.101_outer
-                  (block $compile_block.116 (result i32)
-                   (unreachable)
-                  )
-                 )
-                )
-               )
-               (br $switch.101_outer
-                (block $compile_block.115 (result i32)
-                 (i32.const 1999)
-                )
-               )
-              )
-             )
-             (br $switch.101_outer
-              (block $compile_block.114
-               (block $compile_store.110
-                (local.set $28
-                 (call $+_1153
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (global.get $+_1153)
-                  )
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (local.get $15)
-                  )
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (local.get $16)
-                  )
-                 )
-                )
-                (block $do_backpatches.109
-                )
-               )
-               (block $compile_store.112
-                (local.set $29
-                 (call $+_1153
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (global.get $+_1153)
-                  )
-                  (local.get $28)
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (local.get $17)
-                  )
-                 )
-                )
-                (block $do_backpatches.111
-                )
-               )
-               (block $cleanup.113
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $9)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $10)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $11)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $12)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $13)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $14)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $15)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $16)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $17)
-                 )
-                )
-               )
-               (return_call $+_1153
-                (call $incRef_0
-                 (global.get $GRAIN$EXPORT$incRef_0)
-                 (global.get $+_1153)
-                )
-                (local.get $29)
-                (local.get $18)
-               )
-              )
-             )
-            )
-           )
-           (br $switch.101_outer
-            (block $compile_block.108
-             (block $compile_store.106
-              (local.set $27
-               (call $+_1153
-                (call $incRef_0
-                 (global.get $GRAIN$EXPORT$incRef_0)
-                 (global.get $+_1153)
-                )
-                (call $incRef_0
-                 (global.get $GRAIN$EXPORT$incRef_0)
-                 (local.get $12)
-                )
-                (call $incRef_0
-                 (global.get $GRAIN$EXPORT$incRef_0)
-                 (local.get $13)
-                )
-               )
-              )
-              (block $do_backpatches.105
-              )
-             )
-             (block $cleanup.107
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $9)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $10)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $11)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $12)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $13)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $15)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $16)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $17)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $18)
-               )
-              )
-             )
-             (return_call $+_1153
-              (call $incRef_0
-               (global.get $GRAIN$EXPORT$incRef_0)
-               (global.get $+_1153)
-              )
-              (local.get $27)
-              (local.get $14)
-             )
-            )
-           )
-          )
-         )
-         (br $switch.101_outer
-          (block $compile_block.104
-           (block $cleanup.103
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $9)
-             )
-            )
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $12)
-             )
-            )
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $13)
-             )
-            )
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $14)
-             )
-            )
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $15)
-             )
-            )
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $16)
-             )
-            )
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $17)
-             )
-            )
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $18)
-             )
-            )
-           )
-           (return_call $+_1153
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (global.get $+_1153)
-            )
-            (local.get $10)
-            (local.get $11)
-           )
-          )
-         )
-        )
-       )
-       (br $switch.101_outer
-        (block $compile_block.102 (result i32)
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (local.get $9)
-         )
-        )
-       )
-      )
-     )
-     (block $cleanup.100 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $9)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $10)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $11)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $12)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $13)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $14)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $15)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $16)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $17)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $18)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1153) (name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1153) (name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 5 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
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+                  (immediate_analyses ((last_usage Unknown))))))))
+             ((instr_desc
+               (MReturnCallKnown (func +_1153)
+                (closure
+                 ((immediate_desc
+                   (MIncRef
+                    ((immediate_desc
+                      (MImmBinding (MGlobalBind +_1153 Managed)))
+                     (immediate_analyses ((last_usage Last))))))
+                  (immediate_analyses ((last_usage Unknown)))))
+                (func_type ((Managed Managed) (Managed)))
+                (args
+                 (((immediate_desc (MImmBinding (MLocalBind 23 Managed)))
+                   (immediate_analyses ((last_usage Last))))
+                  ((immediate_desc (MImmBinding (MLocalBind 12 Managed)))
+                   (immediate_analyses ((last_usage Last)))))))))))
+           (4
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc (MImmConst (MConstI32 999)))
+                 (immediate_analyses ((last_usage Unknown))))))))))
+          (((instr_desc
+             (MImmediate
+              ((immediate_desc MImmTrap)
+               (immediate_analyses ((last_usage Unknown))))))))
+          Managed))))
+      (((immediate_desc (MImmBinding (MLocalBind 12 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 11 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 10 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 9 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 8 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 24) (stack_size_i32 12) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1158) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/pattern_matching.0bb6923e.0.snapshot b/compiler/test/__snapshots__/pattern_matching.0bb6923e.0.snapshot
index 19bd2aa07..3c1e48906 100644
--- a/compiler/test/__snapshots__/pattern_matching.0bb6923e.0.snapshot
+++ b/compiler/test/__snapshots__/pattern_matching.0bb6923e.0.snapshot
@@ -1,981 +1,591 @@
 pattern matching › adt_match_4
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1149 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1149 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (local $13 i32)
-  (local $14 i32)
-  (local $15 i32)
-  (local $16 i32)
-  (local $17 i32)
-  (local $18 i32)
-  (local $19 i32)
-  (local $20 i32)
-  (local $21 i32)
-  (local $22 i32)
-  (local $23 i32)
-  (local $24 i32)
-  (local $25 i32)
-  (local $26 i32)
-  (local $27 i32)
-  (local $28 i32)
-  (local $29 i32)
-  (local $30 i32)
-  (local $31 i32)
-  (local $32 i32)
-  (local $33 i32)
-  (local $34 i32)
-  (block $compile_block.98 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_adt.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_adt.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 13)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $6)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.9
-    (local.set $8
-     (block $allocate_adt.7 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $7)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $compile_store.12
-    (local.set $9
-     (block $allocate_adt.10 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 9)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $8)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.11
-    )
-   )
-   (block $compile_store.14
-    (local.set $10
-     (i32.const 0)
-    )
-    (block $do_backpatches.13
-    )
-   )
-   (block $compile_store.16
-    (local.set $11
-     (i32.const 0)
-    )
-    (block $do_backpatches.15
-    )
-   )
-   (block $compile_store.18
-    (local.set $12
-     (i32.const 0)
-    )
-    (block $do_backpatches.17
-    )
-   )
-   (block $compile_store.20
-    (local.set $13
-     (i32.const 0)
-    )
-    (block $do_backpatches.19
-    )
-   )
-   (block $compile_store.22
-    (local.set $14
-     (i32.const 0)
-    )
-    (block $do_backpatches.21
-    )
-   )
-   (block $compile_store.24
-    (local.set $15
-     (i32.const 0)
-    )
-    (block $do_backpatches.23
-    )
-   )
-   (block $compile_store.26
-    (local.set $23
-     (i32.load offset=12
-      (local.get $9)
-     )
-    )
-    (block $do_backpatches.25
-    )
-   )
-   (block $compile_store.28
-    (local.set $24
-     (i32.or
-      (i32.shl
-       (i32.eq
-        (local.get $23)
-        (i32.const 1)
-       )
-       (i32.const 31)
-      )
-      (i32.const 2147483646)
-     )
-    )
-    (block $do_backpatches.27
-    )
-   )
-   (block $compile_store.84
-    (local.set $25
-     (if (result i32)
-      (i32.shr_u
-       (local.get $24)
-       (i32.const 31)
-      )
-      (block $compile_block.77 (result i32)
-       (block $compile_store.30
-        (local.set $16
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (i32.load offset=20
-           (local.get $9)
-          )
-         )
-        )
-        (block $do_backpatches.29
-        )
-       )
-       (block $compile_store.32
-        (local.set $17
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (i32.load offset=24
-           (local.get $9)
-          )
-         )
-        )
-        (block $do_backpatches.31
-        )
-       )
-       (block $compile_store.34
-        (local.set $27
-         (i32.load offset=12
-          (local.get $17)
-         )
-        )
-        (block $do_backpatches.33
-        )
-       )
-       (block $compile_store.36
-        (local.set $28
-         (i32.or
-          (i32.shl
-           (i32.eq
-            (local.get $27)
-            (i32.const 1)
-           )
-           (i32.const 31)
-          )
-          (i32.const 2147483646)
-         )
-        )
-        (block $do_backpatches.35
-        )
-       )
-       (tuple.extract 0
-        (tuple.make
-         (if (result i32)
-          (i32.shr_u
-           (local.get $28)
-           (i32.const 31)
-          )
-          (block $compile_block.70 (result i32)
-           (block $compile_store.39
-            (local.set $18
-             (call $incRef_0
-              (global.get $GRAIN$EXPORT$incRef_0)
-              (i32.load offset=20
-               (local.get $17)
-              )
-             )
-            )
-            (block $do_backpatches.38
-            )
-           )
-           (block $compile_store.41
-            (local.set $19
-             (call $incRef_0
-              (global.get $GRAIN$EXPORT$incRef_0)
-              (i32.load offset=24
-               (local.get $17)
-              )
-             )
-            )
-            (block $do_backpatches.40
-            )
-           )
-           (block $compile_store.43
-            (local.set $30
-             (i32.load offset=12
-              (local.get $19)
-             )
-            )
-            (block $do_backpatches.42
-            )
-           )
-           (block $compile_store.45
-            (local.set $31
-             (i32.or
-              (i32.shl
-               (i32.eq
-                (local.get $30)
-                (i32.const 1)
-               )
-               (i32.const 31)
-              )
-              (i32.const 2147483646)
-             )
-            )
-            (block $do_backpatches.44
-            )
-           )
-           (tuple.extract 0
-            (tuple.make
-             (if (result i32)
-              (i32.shr_u
-               (local.get $31)
-               (i32.const 31)
-              )
-              (block $compile_block.62 (result i32)
-               (block $compile_store.48
-                (local.set $20
-                 (call $incRef_0
-                  (global.get $GRAIN$EXPORT$incRef_0)
-                  (i32.load offset=20
-                   (local.get $19)
-                  )
-                 )
-                )
-                (block $do_backpatches.47
-                )
-               )
-               (block $compile_store.50
-                (local.set $21
-                 (call $incRef_0
-                  (global.get $GRAIN$EXPORT$incRef_0)
-                  (i32.load offset=24
-                   (local.get $19)
-                  )
-                 )
-                )
-                (block $do_backpatches.49
-                )
-               )
-               (block $compile_store.52
-                (local.set $33
-                 (i32.load offset=12
-                  (local.get $21)
-                 )
-                )
-                (block $do_backpatches.51
-                )
-               )
-               (block $cleanup.53
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $21)
-                 )
-                )
-               )
-               (block $compile_store.55
-                (local.set $34
-                 (i32.or
-                  (i32.shl
-                   (i32.eq
-                    (local.get $33)
-                    (i32.const 3)
-                   )
-                   (i32.const 31)
-                  )
-                  (i32.const 2147483646)
-                 )
-                )
-                (block $do_backpatches.54
-                )
-               )
-               (tuple.extract 0
-                (tuple.make
-                 (if (result i32)
-                  (i32.shr_u
-                   (local.get $34)
-                   (i32.const 31)
-                  )
-                  (block $compile_block.60 (result i32)
-                   (drop
-                    (block $compile_set.57 (result i32)
-                     (local.set $13
-                      (tuple.extract 0
-                       (tuple.make
-                        (call $incRef_0
-                         (global.get $GRAIN$EXPORT$incRef_0)
-                         (call $incRef_0
-                          (global.get $GRAIN$EXPORT$incRef_0)
-                          (local.get $16)
-                         )
-                        )
-                        (call $decRef_0
-                         (global.get $GRAIN$EXPORT$decRef_0)
-                         (local.get $13)
-                        )
-                       )
-                      )
-                     )
-                     (i32.const 1879048190)
-                    )
-                   )
-                   (drop
-                    (block $compile_set.58 (result i32)
-                     (local.set $14
-                      (tuple.extract 0
-                       (tuple.make
-                        (call $incRef_0
-                         (global.get $GRAIN$EXPORT$incRef_0)
-                         (call $incRef_0
-                          (global.get $GRAIN$EXPORT$incRef_0)
-                          (local.get $18)
-                         )
-                        )
-                        (call $decRef_0
-                         (global.get $GRAIN$EXPORT$decRef_0)
-                         (local.get $14)
-                        )
-                       )
-                      )
-                     )
-                     (i32.const 1879048190)
-                    )
-                   )
-                   (drop
-                    (block $compile_set.59 (result i32)
-                     (local.set $15
-                      (tuple.extract 0
-                       (tuple.make
-                        (call $incRef_0
-                         (global.get $GRAIN$EXPORT$incRef_0)
-                         (call $incRef_0
-                          (global.get $GRAIN$EXPORT$incRef_0)
-                          (local.get $20)
-                         )
-                        )
-                        (call $decRef_0
-                         (global.get $GRAIN$EXPORT$decRef_0)
-                         (local.get $15)
-                        )
-                       )
-                      )
-                     )
-                     (i32.const 1879048190)
-                    )
-                   )
-                   (i32.const 7)
-                  )
-                  (block $compile_block.61 (result i32)
-                   (i32.const 9)
-                  )
-                 )
-                 (block $cleanup.56 (result i32)
-                  (drop
-                   (call $decRef_0
-                    (global.get $GRAIN$EXPORT$decRef_0)
-                    (local.get $20)
-                   )
-                  )
-                  (i32.const 1879048190)
-                 )
-                )
-               )
-              )
-              (block $compile_block.69 (result i32)
-               (block $compile_store.64
-                (local.set $32
-                 (i32.or
-                  (i32.shl
-                   (i32.eq
-                    (local.get $30)
-                    (i32.const 3)
-                   )
-                   (i32.const 31)
-                  )
-                  (i32.const 2147483646)
-                 )
-                )
-                (block $do_backpatches.63
-                )
-               )
-               (if (result i32)
-                (i32.shr_u
-                 (local.get $32)
-                 (i32.const 31)
-                )
-                (block $compile_block.67 (result i32)
-                 (drop
-                  (block $compile_set.65 (result i32)
-                   (local.set $11
-                    (tuple.extract 0
-                     (tuple.make
-                      (call $incRef_0
-                       (global.get $GRAIN$EXPORT$incRef_0)
-                       (call $incRef_0
-                        (global.get $GRAIN$EXPORT$incRef_0)
-                        (local.get $16)
-                       )
-                      )
-                      (call $decRef_0
-                       (global.get $GRAIN$EXPORT$decRef_0)
-                       (local.get $11)
-                      )
-                     )
-                    )
-                   )
-                   (i32.const 1879048190)
-                  )
-                 )
-                 (drop
-                  (block $compile_set.66 (result i32)
-                   (local.set $12
-                    (tuple.extract 0
-                     (tuple.make
-                      (call $incRef_0
-                       (global.get $GRAIN$EXPORT$incRef_0)
-                       (call $incRef_0
-                        (global.get $GRAIN$EXPORT$incRef_0)
-                        (local.get $18)
-                       )
-                      )
-                      (call $decRef_0
-                       (global.get $GRAIN$EXPORT$decRef_0)
-                       (local.get $12)
-                      )
-                     )
-                    )
-                   )
-                   (i32.const 1879048190)
-                  )
-                 )
-                 (i32.const 5)
-                )
-                (block $compile_block.68 (result i32)
-                 (i32.const 9)
-                )
-               )
-              )
-             )
-             (block $cleanup.46 (result i32)
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $18)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $19)
-               )
-              )
-              (i32.const 1879048190)
-             )
-            )
-           )
-          )
-          (block $compile_block.76 (result i32)
-           (block $compile_store.72
-            (local.set $29
-             (i32.or
-              (i32.shl
-               (i32.eq
-                (local.get $27)
-                (i32.const 3)
-               )
-               (i32.const 31)
-              )
-              (i32.const 2147483646)
-             )
-            )
-            (block $do_backpatches.71
-            )
-           )
-           (if (result i32)
-            (i32.shr_u
-             (local.get $29)
-             (i32.const 31)
-            )
-            (block $compile_block.74 (result i32)
-             (drop
-              (block $compile_set.73 (result i32)
-               (local.set $10
-                (tuple.extract 0
-                 (tuple.make
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (call $incRef_0
-                    (global.get $GRAIN$EXPORT$incRef_0)
-                    (local.get $16)
-                   )
-                  )
-                  (call $decRef_0
-                   (global.get $GRAIN$EXPORT$decRef_0)
-                   (local.get $10)
-                  )
-                 )
-                )
-               )
-               (i32.const 1879048190)
-              )
-             )
-             (i32.const 3)
-            )
-            (block $compile_block.75 (result i32)
-             (i32.const 9)
-            )
-           )
-          )
-         )
-         (block $cleanup.37 (result i32)
-          (drop
-           (call $decRef_0
-            (global.get $GRAIN$EXPORT$decRef_0)
-            (local.get $16)
-           )
-          )
-          (drop
-           (call $decRef_0
-            (global.get $GRAIN$EXPORT$decRef_0)
-            (local.get $17)
-           )
-          )
-          (i32.const 1879048190)
-         )
-        )
-       )
-      )
-      (block $compile_block.82 (result i32)
-       (block $compile_store.79
-        (local.set $26
-         (i32.or
-          (i32.shl
-           (i32.eq
-            (local.get $23)
-            (i32.const 3)
-           )
-           (i32.const 31)
-          )
-          (i32.const 2147483646)
-         )
-        )
-        (block $do_backpatches.78
-        )
-       )
-       (if (result i32)
-        (i32.shr_u
-         (local.get $26)
-         (i32.const 31)
-        )
-        (block $compile_block.80 (result i32)
-         (i32.const 1)
-        )
-        (block $compile_block.81
-         (unreachable)
-        )
-       )
-      )
-     )
-    )
-    (block $do_backpatches.83
-    )
-   )
-   (block $cleanup.85
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $9)
-     )
-    )
-   )
-   (tuple.extract 0
-    (tuple.make
-     (block $switch.87_outer (result i32)
-      (block $switch.87_branch_0 (result i32)
-       (drop
-        (block $switch.87_branch_1 (result i32)
-         (drop
-          (block $switch.87_branch_2 (result i32)
-           (drop
-            (block $switch.87_branch_3 (result i32)
-             (drop
-              (block $switch.87_branch_4 (result i32)
-               (drop
-                (block $switch.87_branch_5 (result i32)
-                 (drop
-                  (block $switch.87_default (result i32)
-                   (br_table $switch.87_branch_1 $switch.87_branch_2 $switch.87_branch_3 $switch.87_branch_4 $switch.87_branch_5 $switch.87_default $switch.87_default
-                    (i32.const 0)
-                    (i32.shr_s
-                     (local.get $25)
-                     (i32.const 1)
-                    )
-                   )
-                  )
-                 )
-                 (br $switch.87_outer
-                  (block $compile_block.97 (result i32)
-                   (unreachable)
-                  )
-                 )
-                )
-               )
-               (br $switch.87_outer
-                (block $compile_block.96 (result i32)
-                 (i32.const 1999)
-                )
-               )
-              )
-             )
-             (br $switch.87_outer
-              (block $compile_block.95
-               (block $compile_store.93
-                (local.set $22
-                 (call $+_1149
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (global.get $+_1149)
-                  )
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (local.get $13)
-                  )
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (local.get $14)
-                  )
-                 )
-                )
-                (block $do_backpatches.92
-                )
-               )
-               (block $cleanup.94
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $10)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $11)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $12)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $13)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $14)
-                 )
-                )
-               )
-               (return_call $+_1149
-                (call $incRef_0
-                 (global.get $GRAIN$EXPORT$incRef_0)
-                 (global.get $+_1149)
-                )
-                (local.get $22)
-                (local.get $15)
-               )
-              )
-             )
-            )
-           )
-           (br $switch.87_outer
-            (block $compile_block.91
-             (block $cleanup.90
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $10)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $13)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $14)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $15)
-               )
-              )
-             )
-             (return_call $+_1149
-              (call $incRef_0
-               (global.get $GRAIN$EXPORT$incRef_0)
-               (global.get $+_1149)
-              )
-              (local.get $11)
-              (local.get $12)
-             )
-            )
-           )
-          )
-         )
-         (br $switch.87_outer
-          (block $compile_block.89 (result i32)
-           (call $incRef_0
-            (global.get $GRAIN$EXPORT$incRef_0)
-            (local.get $10)
-           )
-          )
-         )
-        )
-       )
-       (br $switch.87_outer
-        (block $compile_block.88 (result i32)
-         (i32.const 1)
-        )
-       )
-      )
-     )
-     (block $cleanup.86 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $10)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $11)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $12)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $13)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $14)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $15)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1149) (name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1149) (name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 6)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 5)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 4)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 5 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 6 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 7 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 8 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 9 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MAdtOp MAdtGetTag
+           ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 (Unmanaged WasmI32))
+        ((instr_desc
+          (MPrim2 Is
+           ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Unknown))))
+           ((immediate_desc (MImmConst (MConstI32 0)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 (Unmanaged WasmI32))
+        ((instr_desc
+          (MIf
+           ((immediate_desc (MImmBinding (MLocalBind 1 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Last))))
+           (((instr_desc
+              (MStore
+               (((MLocalBind 10 Managed)
+                 ((instr_desc
+                   (MAdtOp (MAdtGet 0)
+                    ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MStore
+               (((MLocalBind 11 Managed)
+                 ((instr_desc
+                   (MAdtOp (MAdtGet 1)
+                    ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+                     (immediate_analyses ((last_usage Last))))))))))))
+            ((instr_desc
+              (MStore
+               (((MLocalBind 4 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MAdtOp MAdtGetTag
+                    ((immediate_desc (MImmBinding (MLocalBind 11 Managed)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MStore
+               (((MLocalBind 5 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MPrim2 Is
+                    ((immediate_desc
+                      (MImmBinding (MLocalBind 4 (Unmanaged WasmI32))))
+                     (immediate_analyses ((last_usage Unknown))))
+                    ((immediate_desc (MImmConst (MConstI32 0)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MCleanup
+               (((instr_desc
+                  (MIf
+                   ((immediate_desc
+                     (MImmBinding (MLocalBind 5 (Unmanaged WasmI32))))
+                    (immediate_analyses ((last_usage Last))))
+                   (((instr_desc
+                      (MStore
+                       (((MLocalBind 12 Managed)
+                         ((instr_desc
+                           (MAdtOp (MAdtGet 0)
+                            ((immediate_desc
+                              (MImmBinding (MLocalBind 11 Managed)))
+                             (immediate_analyses ((last_usage Unknown))))))))))))
+                    ((instr_desc
+                      (MStore
+                       (((MLocalBind 13 Managed)
+                         ((instr_desc
+                           (MAdtOp (MAdtGet 1)
+                            ((immediate_desc
+                              (MImmBinding (MLocalBind 11 Managed)))
+                             (immediate_analyses ((last_usage Last))))))))))))
+                    ((instr_desc
+                      (MStore
+                       (((MLocalBind 7 (Unmanaged WasmI32))
+                         ((instr_desc
+                           (MAdtOp MAdtGetTag
+                            ((immediate_desc
+                              (MImmBinding (MLocalBind 13 Managed)))
+                             (immediate_analyses ((last_usage Unknown))))))))))))
+                    ((instr_desc
+                      (MStore
+                       (((MLocalBind 8 (Unmanaged WasmI32))
+                         ((instr_desc
+                           (MPrim2 Is
+                            ((immediate_desc
+                              (MImmBinding
+                               (MLocalBind 7 (Unmanaged WasmI32))))
+                             (immediate_analyses ((last_usage Unknown))))
+                            ((immediate_desc (MImmConst (MConstI32 0)))
+                             (immediate_analyses ((last_usage Unknown))))))))))))
+                    ((instr_desc
+                      (MCleanup
+                       (((instr_desc
+                          (MIf
+                           ((immediate_desc
+                             (MImmBinding (MLocalBind 8 (Unmanaged WasmI32))))
+                            (immediate_analyses ((last_usage Last))))
+                           (((instr_desc
+                              (MStore
+                               (((MLocalBind 14 Managed)
+                                 ((instr_desc
+                                   (MAdtOp (MAdtGet 0)
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 13 Managed)))
+                                     (immediate_analyses
+                                      ((last_usage Unknown))))))))))))
+                            ((instr_desc
+                              (MStore
+                               (((MLocalBind 15 Managed)
+                                 ((instr_desc
+                                   (MAdtOp (MAdtGet 1)
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 13 Managed)))
+                                     (immediate_analyses ((last_usage Last))))))))))))
+                            ((instr_desc
+                              (MStore
+                               (((MLocalBind 10 (Unmanaged WasmI32))
+                                 ((instr_desc
+                                   (MAdtOp MAdtGetTag
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 15 Managed)))
+                                     (immediate_analyses ((last_usage Last))))))))))))
+                            ((instr_desc
+                              (MCleanup ()
+                               (((immediate_desc
+                                  (MImmBinding (MLocalBind 15 Managed)))
+                                 (immediate_analyses ((last_usage Unknown))))))))
+                            ((instr_desc
+                              (MStore
+                               (((MLocalBind 11 (Unmanaged WasmI32))
+                                 ((instr_desc
+                                   (MPrim2 Is
+                                    ((immediate_desc
+                                      (MImmBinding
+                                       (MLocalBind 10 (Unmanaged WasmI32))))
+                                     (immediate_analyses ((last_usage Last))))
+                                    ((immediate_desc
+                                      (MImmConst (MConstI32 1)))
+                                     (immediate_analyses
+                                      ((last_usage Unknown))))))))))))
+                            ((instr_desc
+                              (MCleanup
+                               (((instr_desc
+                                  (MIf
+                                   ((immediate_desc
+                                     (MImmBinding
+                                      (MLocalBind 11 (Unmanaged WasmI32))))
+                                    (immediate_analyses ((last_usage Last))))
+                                   (((instr_desc
+                                      (MDrop
+                                       ((instr_desc
+                                         (MSet (MLocalBind 7 Managed)
+                                          ((instr_desc
+                                            (MImmediate
+                                             ((immediate_desc
+                                               (MIncRef
+                                                ((immediate_desc
+                                                  (MImmBinding
+                                                   (MLocalBind 10 Managed)))
+                                                 (immediate_analyses
+                                                  ((last_usage Unknown))))))
+                                              (immediate_analyses
+                                               ((last_usage Unknown)))))))))))))
+                                    ((instr_desc
+                                      (MDrop
+                                       ((instr_desc
+                                         (MSet (MLocalBind 8 Managed)
+                                          ((instr_desc
+                                            (MImmediate
+                                             ((immediate_desc
+                                               (MIncRef
+                                                ((immediate_desc
+                                                  (MImmBinding
+                                                   (MLocalBind 12 Managed)))
+                                                 (immediate_analyses
+                                                  ((last_usage Unknown))))))
+                                              (immediate_analyses
+                                               ((last_usage Unknown)))))))))))))
+                                    ((instr_desc
+                                      (MDrop
+                                       ((instr_desc
+                                         (MSet (MLocalBind 9 Managed)
+                                          ((instr_desc
+                                            (MImmediate
+                                             ((immediate_desc
+                                               (MIncRef
+                                                ((immediate_desc
+                                                  (MImmBinding
+                                                   (MLocalBind 14 Managed)))
+                                                 (immediate_analyses
+                                                  ((last_usage Last))))))
+                                              (immediate_analyses
+                                               ((last_usage Unknown)))))))))))))
+                                    ((instr_desc
+                                      (MImmediate
+                                       ((immediate_desc
+                                         (MImmConst (MConstI32 3)))
+                                        (immediate_analyses
+                                         ((last_usage Unknown))))))))
+                                   (((instr_desc
+                                      (MImmediate
+                                       ((immediate_desc
+                                         (MImmConst (MConstI32 4)))
+                                        (immediate_analyses
+                                         ((last_usage Unknown))))))))))))
+                               (((immediate_desc
+                                  (MImmBinding (MLocalBind 14 Managed)))
+                                 (immediate_analyses ((last_usage Unknown)))))))))
+                           (((instr_desc
+                              (MStore
+                               (((MLocalBind 9 (Unmanaged WasmI32))
+                                 ((instr_desc
+                                   (MPrim2 Is
+                                    ((immediate_desc
+                                      (MImmBinding
+                                       (MLocalBind 7 (Unmanaged WasmI32))))
+                                     (immediate_analyses ((last_usage Last))))
+                                    ((immediate_desc
+                                      (MImmConst (MConstI32 1)))
+                                     (immediate_analyses
+                                      ((last_usage Unknown))))))))))))
+                            ((instr_desc
+                              (MIf
+                               ((immediate_desc
+                                 (MImmBinding
+                                  (MLocalBind 9 (Unmanaged WasmI32))))
+                                (immediate_analyses ((last_usage Last))))
+                               (((instr_desc
+                                  (MDrop
+                                   ((instr_desc
+                                     (MSet (MLocalBind 5 Managed)
+                                      ((instr_desc
+                                        (MImmediate
+                                         ((immediate_desc
+                                           (MIncRef
+                                            ((immediate_desc
+                                              (MImmBinding
+                                               (MLocalBind 10 Managed)))
+                                             (immediate_analyses
+                                              ((last_usage Unknown))))))
+                                          (immediate_analyses
+                                           ((last_usage Unknown)))))))))))))
+                                ((instr_desc
+                                  (MDrop
+                                   ((instr_desc
+                                     (MSet (MLocalBind 6 Managed)
+                                      ((instr_desc
+                                        (MImmediate
+                                         ((immediate_desc
+                                           (MIncRef
+                                            ((immediate_desc
+                                              (MImmBinding
+                                               (MLocalBind 12 Managed)))
+                                             (immediate_analyses
+                                              ((last_usage Last))))))
+                                          (immediate_analyses
+                                           ((last_usage Unknown)))))))))))))
+                                ((instr_desc
+                                  (MImmediate
+                                   ((immediate_desc
+                                     (MImmConst (MConstI32 2)))
+                                    (immediate_analyses
+                                     ((last_usage Unknown))))))))
+                               (((instr_desc
+                                  (MImmediate
+                                   ((immediate_desc
+                                     (MImmConst (MConstI32 4)))
+                                    (immediate_analyses
+                                     ((last_usage Unknown))))))))))))))))
+                       (((immediate_desc
+                          (MImmBinding (MLocalBind 13 Managed)))
+                         (immediate_analyses ((last_usage Unknown))))
+                        ((immediate_desc
+                          (MImmBinding (MLocalBind 12 Managed)))
+                         (immediate_analyses ((last_usage Unknown)))))))))
+                   (((instr_desc
+                      (MStore
+                       (((MLocalBind 6 (Unmanaged WasmI32))
+                         ((instr_desc
+                           (MPrim2 Is
+                            ((immediate_desc
+                              (MImmBinding
+                               (MLocalBind 4 (Unmanaged WasmI32))))
+                             (immediate_analyses ((last_usage Last))))
+                            ((immediate_desc (MImmConst (MConstI32 1)))
+                             (immediate_analyses ((last_usage Unknown))))))))))))
+                    ((instr_desc
+                      (MIf
+                       ((immediate_desc
+                         (MImmBinding (MLocalBind 6 (Unmanaged WasmI32))))
+                        (immediate_analyses ((last_usage Last))))
+                       (((instr_desc
+                          (MDrop
+                           ((instr_desc
+                             (MSet (MLocalBind 4 Managed)
+                              ((instr_desc
+                                (MImmediate
+                                 ((immediate_desc
+                                   (MIncRef
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 10 Managed)))
+                                     (immediate_analyses ((last_usage Last))))))
+                                  (immediate_analyses ((last_usage Unknown)))))))))))))
+                        ((instr_desc
+                          (MImmediate
+                           ((immediate_desc (MImmConst (MConstI32 1)))
+                            (immediate_analyses ((last_usage Unknown))))))))
+                       (((instr_desc
+                          (MImmediate
+                           ((immediate_desc (MImmConst (MConstI32 4)))
+                            (immediate_analyses ((last_usage Unknown))))))))))))))))
+               (((immediate_desc (MImmBinding (MLocalBind 11 Managed)))
+                 (immediate_analyses ((last_usage Unknown))))
+                ((immediate_desc (MImmBinding (MLocalBind 10 Managed)))
+                 (immediate_analyses ((last_usage Unknown)))))))))
+           (((instr_desc
+              (MStore
+               (((MLocalBind 3 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MPrim2 Is
+                    ((immediate_desc
+                      (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+                     (immediate_analyses ((last_usage Last))))
+                    ((immediate_desc (MImmConst (MConstI32 1)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MIf
+               ((immediate_desc
+                 (MImmBinding (MLocalBind 3 (Unmanaged WasmI32))))
+                (immediate_analyses ((last_usage Last))))
+               (((instr_desc
+                  (MImmediate
+                   ((immediate_desc (MImmConst (MConstI32 0)))
+                    (immediate_analyses ((last_usage Unknown))))))))
+               (((instr_desc
+                  (MImmediate
+                   ((immediate_desc MImmTrap)
+                    (immediate_analyses ((last_usage Unknown))))))))))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MCleanup
+      (((instr_desc
+         (MSwitch
+          ((immediate_desc (MImmBinding (MLocalBind 2 (Unmanaged WasmI32))))
+           (immediate_analyses ((last_usage Last))))
+          ((0
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc (MImmConst (MConstI32 0)))
+                 (immediate_analyses ((last_usage Unknown)))))))))
+           (1
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc
+                  (MIncRef
+                   ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+                    (immediate_analyses ((last_usage Last))))))
+                 (immediate_analyses ((last_usage Unknown)))))))))
+           (2
+            (((instr_desc
+               (MCleanup ()
+                (((immediate_desc (MImmBinding (MLocalBind 9 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 8 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))))))
+             ((instr_desc
+               (MReturnCallKnown (func +_1149)
+                (closure
+                 ((immediate_desc
+                   (MIncRef
+                    ((immediate_desc
+                      (MImmBinding (MGlobalBind +_1149 Managed)))
+                     (immediate_analyses ((last_usage TailCallLast))))))
+                  (immediate_analyses ((last_usage Unknown)))))
+                (func_type ((Managed Managed) (Managed)))
+                (args
+                 (((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+                   (immediate_analyses ((last_usage Last))))
+                  ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+                   (immediate_analyses ((last_usage Last)))))))))))
+           (3
+            (((instr_desc
+               (MStore
+                (((MLocalBind 16 Managed)
+                  ((instr_desc
+                    (MCallKnown (func +_1149)
+                     (closure
+                      ((immediate_desc
+                        (MIncRef
+                         ((immediate_desc
+                           (MImmBinding (MGlobalBind +_1149 Managed)))
+                          (immediate_analyses ((last_usage Unknown))))))
+                       (immediate_analyses ((last_usage Unknown)))))
+                     (func_type ((Managed Managed) (Managed)))
+                     (args
+                      (((immediate_desc
+                         (MIncRef
+                          ((immediate_desc
+                            (MImmBinding (MLocalBind 7 Managed)))
+                           (immediate_analyses ((last_usage Last))))))
+                        (immediate_analyses ((last_usage Unknown))))
+                       ((immediate_desc
+                         (MIncRef
+                          ((immediate_desc
+                            (MImmBinding (MLocalBind 8 Managed)))
+                           (immediate_analyses ((last_usage Last))))))
+                        (immediate_analyses ((last_usage Unknown))))))))))))))
+             ((instr_desc
+               (MCleanup ()
+                (((immediate_desc (MImmBinding (MLocalBind 8 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))))))
+             ((instr_desc
+               (MReturnCallKnown (func +_1149)
+                (closure
+                 ((immediate_desc
+                   (MIncRef
+                    ((immediate_desc
+                      (MImmBinding (MGlobalBind +_1149 Managed)))
+                     (immediate_analyses ((last_usage Last))))))
+                  (immediate_analyses ((last_usage Unknown)))))
+                (func_type ((Managed Managed) (Managed)))
+                (args
+                 (((immediate_desc (MImmBinding (MLocalBind 16 Managed)))
+                   (immediate_analyses ((last_usage Last))))
+                  ((immediate_desc (MImmBinding (MLocalBind 9 Managed)))
+                   (immediate_analyses ((last_usage Last)))))))))))
+           (4
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc (MImmConst (MConstI32 999)))
+                 (immediate_analyses ((last_usage Unknown))))))))))
+          (((instr_desc
+             (MImmediate
+              ((immediate_desc MImmTrap)
+               (immediate_analyses ((last_usage Unknown))))))))
+          Managed))))
+      (((immediate_desc (MImmBinding (MLocalBind 9 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 8 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 17) (stack_size_i32 12) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1152) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/pattern_matching.0fa61137.0.snapshot b/compiler/test/__snapshots__/pattern_matching.0fa61137.0.snapshot
index 5ca2c3fa1..c347dfa26 100644
--- a/compiler/test/__snapshots__/pattern_matching.0fa61137.0.snapshot
+++ b/compiler/test/__snapshots__/pattern_matching.0fa61137.0.snapshot
@@ -1,242 +1,163 @@
 pattern matching › low_level_constant_match_2
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$print\" (global $print_1116 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"print\" (func $print_1116 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (block $compile_block.28 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_adt.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 501102191)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.5
-    (local.set $7
-     (select
-      (i32.const -2)
-      (i32.const 2147483646)
-      (i64.eq
-       (i64.const 1)
-       (i64.const 0)
-      )
-     )
-    )
-    (block $do_backpatches.4
-    )
-   )
-   (block $compile_store.17
-    (local.set $8
-     (if (result i32)
-      (i32.shr_u
-       (local.get $7)
-       (i32.const 31)
-      )
-      (block $compile_block.6 (result i32)
-       (i32.const 1)
-      )
-      (block $compile_block.15 (result i32)
-       (block $compile_store.8
-        (local.set $9
-         (select
-          (i32.const -2)
-          (i32.const 2147483646)
-          (i64.eq
-           (i64.const 1)
-           (i64.const 1)
-          )
-         )
-        )
-        (block $do_backpatches.7
-        )
-       )
-       (if (result i32)
-        (i32.shr_u
-         (local.get $9)
-         (i32.const 31)
-        )
-        (block $compile_block.9 (result i32)
-         (i32.const 3)
-        )
-        (block $compile_block.14 (result i32)
-         (block $compile_store.11
-          (local.set $10
-           (select
-            (i32.const -2)
-            (i32.const 2147483646)
-            (i64.eq
-             (i64.const 1)
-             (i64.const 2)
-            )
-           )
-          )
-          (block $do_backpatches.10
-          )
-         )
-         (if (result i32)
-          (i32.shr_u
-           (local.get $10)
-           (i32.const 31)
-          )
-          (block $compile_block.12 (result i32)
-           (i32.const 5)
-          )
-          (block $compile_block.13 (result i32)
-           (i32.const 7)
-          )
-         )
-        )
-       )
-      )
-     )
-    )
-    (block $do_backpatches.16
-    )
-   )
-   (block $compile_store.25
-    (local.set $11
-     (block $switch.18_outer (result i32)
-      (block $switch.18_branch_0 (result i32)
-       (drop
-        (block $switch.18_branch_1 (result i32)
-         (drop
-          (block $switch.18_branch_2 (result i32)
-           (drop
-            (block $switch.18_branch_3 (result i32)
-             (drop
-              (block $switch.18_branch_4 (result i32)
-               (drop
-                (block $switch.18_default (result i32)
-                 (br_table $switch.18_branch_1 $switch.18_branch_2 $switch.18_branch_3 $switch.18_branch_4 $switch.18_default $switch.18_default
-                  (i32.const 0)
-                  (i32.shr_s
-                   (local.get $8)
-                   (i32.const 1)
-                  )
-                 )
-                )
-               )
-               (br $switch.18_outer
-                (block $compile_block.23 (result i32)
-                 (unreachable)
-                )
-               )
-              )
-             )
-             (br $switch.18_outer
-              (block $compile_block.22 (result i32)
-               (i32.const 2147483646)
-              )
-             )
-            )
-           )
-           (br $switch.18_outer
-            (block $compile_block.21 (result i32)
-             (i32.const 2147483646)
-            )
-           )
-          )
-         )
-         (br $switch.18_outer
-          (block $compile_block.20 (result i32)
-           (i32.const -2)
-          )
-         )
-        )
-       )
-       (br $switch.18_outer
-        (block $compile_block.19 (result i32)
-         (i32.const 2147483646)
-        )
-       )
-      )
-     )
-    )
-    (block $do_backpatches.24
-    )
-   )
-   (block $compile_store.27
-    (local.set $12
-     (call $print_1116
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $print_1116)
-      )
-      (local.get $11)
-      (local.get $6)
-     )
-    )
-    (block $do_backpatches.26
-    )
-   )
-   (i32.const 1)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1116) (name print))) (mimp_mod pervasives.gr)
+    (mimp_name print)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1116) (name print))) (mimp_mod pervasives.gr)
+    (mimp_name print) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 250551095)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 3)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MPrim2
+           (WasmBinaryI64 (wasm_op Op_eq_int64)
+            (arg_types (Wasm_int64 Wasm_int64)) (ret_type Grain_bool))
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI64 1))))
+            (immediate_analyses ((last_usage Unknown))))
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI64 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 (Unmanaged WasmI32))
+        ((instr_desc
+          (MIf
+           ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Last))))
+           (((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmConst (MConstI32 0)))
+                (immediate_analyses ((last_usage Unknown))))))))
+           (((instr_desc
+              (MStore
+               (((MLocalBind 2 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MPrim2
+                    (WasmBinaryI64 (wasm_op Op_eq_int64)
+                     (arg_types (Wasm_int64 Wasm_int64))
+                     (ret_type Grain_bool))
+                    ((immediate_desc
+                      (MImmConst (MConstLiteral (MConstI64 1))))
+                     (immediate_analyses ((last_usage Unknown))))
+                    ((immediate_desc
+                      (MImmConst (MConstLiteral (MConstI64 1))))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MIf
+               ((immediate_desc
+                 (MImmBinding (MLocalBind 2 (Unmanaged WasmI32))))
+                (immediate_analyses ((last_usage Last))))
+               (((instr_desc
+                  (MImmediate
+                   ((immediate_desc (MImmConst (MConstI32 1)))
+                    (immediate_analyses ((last_usage Unknown))))))))
+               (((instr_desc
+                  (MStore
+                   (((MLocalBind 3 (Unmanaged WasmI32))
+                     ((instr_desc
+                       (MPrim2
+                        (WasmBinaryI64 (wasm_op Op_eq_int64)
+                         (arg_types (Wasm_int64 Wasm_int64))
+                         (ret_type Grain_bool))
+                        ((immediate_desc
+                          (MImmConst (MConstLiteral (MConstI64 1))))
+                         (immediate_analyses ((last_usage Unknown))))
+                        ((immediate_desc
+                          (MImmConst (MConstLiteral (MConstI64 2))))
+                         (immediate_analyses ((last_usage Unknown))))))))))))
+                ((instr_desc
+                  (MIf
+                   ((immediate_desc
+                     (MImmBinding (MLocalBind 3 (Unmanaged WasmI32))))
+                    (immediate_analyses ((last_usage Last))))
+                   (((instr_desc
+                      (MImmediate
+                       ((immediate_desc (MImmConst (MConstI32 2)))
+                        (immediate_analyses ((last_usage Unknown))))))))
+                   (((instr_desc
+                      (MImmediate
+                       ((immediate_desc (MImmConst (MConstI32 3)))
+                        (immediate_analyses ((last_usage Unknown))))))))))))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 (Unmanaged WasmI32))
+        ((instr_desc
+          (MSwitch
+           ((immediate_desc (MImmBinding (MLocalBind 1 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Last))))
+           ((0
+             (((instr_desc
+                (MImmediate
+                 ((immediate_desc
+                   (MImmConst (MConstLiteral (MConstI32 2147483646))))
+                  (immediate_analyses ((last_usage Unknown)))))))))
+            (1
+             (((instr_desc
+                (MImmediate
+                 ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+                  (immediate_analyses ((last_usage Unknown)))))))))
+            (2
+             (((instr_desc
+                (MImmediate
+                 ((immediate_desc
+                   (MImmConst (MConstLiteral (MConstI32 2147483646))))
+                  (immediate_analyses ((last_usage Unknown)))))))))
+            (3
+             (((instr_desc
+                (MImmediate
+                 ((immediate_desc
+                   (MImmConst (MConstLiteral (MConstI32 2147483646))))
+                  (immediate_analyses ((last_usage Unknown))))))))))
+           (((instr_desc
+              (MImmediate
+               ((immediate_desc MImmTrap)
+                (immediate_analyses ((last_usage Unknown))))))))
+           (Unmanaged WasmI32)))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 5 (Unmanaged WasmI32))
+        ((instr_desc
+          (MCallKnown (func print_1116)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc
+                 (MImmBinding (MGlobalBind print_1116 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type (((Unmanaged WasmI32) Managed) ((Unmanaged WasmI32))))
+           (args
+            (((immediate_desc
+               (MImmBinding (MLocalBind 4 (Unmanaged WasmI32))))
+              (immediate_analyses ((last_usage Last))))
+             ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstI32 0)))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 6) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1125) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/pattern_matching.14dc7554.0.snapshot b/compiler/test/__snapshots__/pattern_matching.14dc7554.0.snapshot
index ccb644d83..5fee537e1 100644
--- a/compiler/test/__snapshots__/pattern_matching.14dc7554.0.snapshot
+++ b/compiler/test/__snapshots__/pattern_matching.14dc7554.0.snapshot
@@ -1,204 +1,78 @@
 pattern matching › record_match_2
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (block $compile_block.17 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_string.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i64.store offset=8
-       (local.get $0)
-       (i64.const 7303010)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_record.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 3)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 656589387)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2227)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 9)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (local.get $6)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (i32.const -2)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.8
-    (local.set $8
-     (i32.const 0)
-    )
-    (block $do_backpatches.7
-    )
-   )
-   (block $compile_store.10
-    (local.set $9
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=20
-       (local.get $7)
-      )
-     )
-    )
-    (block $do_backpatches.9
-    )
-   )
-   (block $cleanup.11
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $7)
-     )
-    )
-   )
-   (drop
-    (block $compile_set.12 (result i32)
-     (local.set $8
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $9)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $8)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (tuple.extract 0
-    (tuple.make
-     (block $switch.14_outer (result i32)
-      (block $switch.14_branch_0 (result i32)
-       (drop
-        (block $switch.14_branch_1 (result i32)
-         (drop
-          (block $switch.14_default (result i32)
-           (br_table $switch.14_branch_1 $switch.14_default $switch.14_default
-            (i32.const 0)
-            (i32.shr_s
-             (i32.const 1)
-             (i32.const 1)
-            )
-           )
-          )
-         )
-         (br $switch.14_outer
-          (block $compile_block.16 (result i32)
-           (unreachable)
-          )
-         )
-        )
-       )
-       (br $switch.14_outer
-        (block $compile_block.15 (result i32)
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (local.get $8)
-         )
-        )
-       )
-      )
-     )
-     (block $cleanup.13 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $8)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 643
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed) ((instr_desc (MAllocate (MString boo)))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MRecord
+            ((immediate_desc (MImmConst (MConstI32 328294693)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1113)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((foo)
+              ((immediate_desc (MImmConst (MConstI32 4)))
+               (immediate_analyses ((last_usage Unknown)))))
+             ((bar)
+              ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+               (immediate_analyses ((last_usage Last)))))
+             ((baz)
+              ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+               (immediate_analyses ((last_usage Unknown)))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MRecordOp (MRecordGet 1)
+           ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MLocalBind 2 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MCleanup
+      (((instr_desc
+         (MSwitch
+          ((immediate_desc (MImmConst (MConstI32 0)))
+           (immediate_analyses ((last_usage Unknown))))
+          ((0
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc
+                  (MIncRef
+                   ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+                    (immediate_analyses ((last_usage Last))))))
+                 (immediate_analyses ((last_usage Unknown))))))))))
+          (((instr_desc
+             (MImmediate
+              ((immediate_desc MImmTrap)
+               (immediate_analyses ((last_usage Unknown))))))))
+          Managed))))
+      (((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 4) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1124) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/pattern_matching.16cd197e.0.snapshot b/compiler/test/__snapshots__/pattern_matching.16cd197e.0.snapshot
index e305b5036..b73348687 100644
--- a/compiler/test/__snapshots__/pattern_matching.16cd197e.0.snapshot
+++ b/compiler/test/__snapshots__/pattern_matching.16cd197e.0.snapshot
@@ -1,177 +1,65 @@
 pattern matching › constant_match_3
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/equal.gr\" \"GRAIN$EXPORT$equal\" (global $GRAIN$EXPORT$equal_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/equal.gr\" \"equal\" (func $equal_0 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (block $compile_block.18 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_string.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i64.store offset=8
-       (local.get $0)
-       (i64.const 7303014)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_string.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i64.store offset=8
-       (local.get $0)
-       (i64.const 7303014)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.8
-    (local.set $8
-     (call $equal_0
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $GRAIN$EXPORT$equal_0)
-      )
-      (local.get $6)
-      (local.get $7)
-     )
-    )
-    (block $do_backpatches.7
-    )
-   )
-   (block $compile_store.12
-    (local.set $9
-     (if (result i32)
-      (i32.shr_u
-       (local.get $8)
-       (i32.const 31)
-      )
-      (block $compile_block.9 (result i32)
-       (i32.const 3)
-      )
-      (block $compile_block.10 (result i32)
-       (i32.const 5)
-      )
-     )
-    )
-    (block $do_backpatches.11
-    )
-   )
-   (block $switch.13_outer (result i32)
-    (block $switch.13_branch_0 (result i32)
-     (drop
-      (block $switch.13_branch_1 (result i32)
-       (drop
-        (block $switch.13_branch_2 (result i32)
-         (drop
-          (block $switch.13_branch_3 (result i32)
-           (drop
-            (block $switch.13_default (result i32)
-             (br_table $switch.13_branch_1 $switch.13_branch_2 $switch.13_branch_3 $switch.13_default $switch.13_default
-              (i32.const 0)
-              (i32.shr_s
-               (local.get $9)
-               (i32.const 1)
-              )
-             )
-            )
-           )
-           (br $switch.13_outer
-            (block $compile_block.17 (result i32)
-             (unreachable)
-            )
-           )
-          )
-         )
-         (br $switch.13_outer
-          (block $compile_block.16 (result i32)
-           (i32.const 2147483646)
-          )
-         )
-        )
-       )
-       (br $switch.13_outer
-        (block $compile_block.15 (result i32)
-         (i32.const -2)
-        )
-       )
-      )
-     )
-     (br $switch.13_outer
-      (block $compile_block.14 (result i32)
-       (i32.const 2147483646)
-      )
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed) ((instr_desc (MAllocate (MString foo)))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed) ((instr_desc (MAllocate (MString foo)))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MPrim2 Eq
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Last))))
+           ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 (Unmanaged WasmI32))
+        ((instr_desc
+          (MIf
+           ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Last))))
+           (((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmConst (MConstI32 1)))
+                (immediate_analyses ((last_usage Unknown))))))))
+           (((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmConst (MConstI32 2)))
+                (immediate_analyses ((last_usage Unknown))))))))))))))))
+   ((instr_desc
+     (MSwitch
+      ((immediate_desc (MImmBinding (MLocalBind 1 (Unmanaged WasmI32))))
+       (immediate_analyses ((last_usage Last))))
+      ((0
+        (((instr_desc
+           (MImmediate
+            ((immediate_desc
+              (MImmConst (MConstLiteral (MConstI32 2147483646))))
+             (immediate_analyses ((last_usage Unknown)))))))))
+       (1
+        (((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+             (immediate_analyses ((last_usage Unknown)))))))))
+       (2
+        (((instr_desc
+           (MImmediate
+            ((immediate_desc
+              (MImmConst (MConstLiteral (MConstI32 2147483646))))
+             (immediate_analyses ((last_usage Unknown))))))))))
+      (((instr_desc
+         (MImmediate
+          ((immediate_desc MImmTrap)
+           (immediate_analyses ((last_usage Unknown))))))))
+      (Unmanaged WasmI32))))))
+ (main_body_stack_size
+  ((stack_size_ptr 2) (stack_size_i32 2) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1118) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/pattern_matching.16eb3dbf.0.snapshot b/compiler/test/__snapshots__/pattern_matching.16eb3dbf.0.snapshot
index 18b26529a..ecd1af735 100644
--- a/compiler/test/__snapshots__/pattern_matching.16eb3dbf.0.snapshot
+++ b/compiler/test/__snapshots__/pattern_matching.16eb3dbf.0.snapshot
@@ -1,402 +1,217 @@
 pattern matching › guarded_match_2
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$==\" (global $==_1125 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"==\" (func $==_1125 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (local $13 i32)
-  (local $14 i32)
-  (block $compile_block.35 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_tuple.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 5)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 5)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 7)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.5
-    (local.set $7
-     (i32.const 0)
-    )
-    (block $do_backpatches.4
-    )
-   )
-   (block $compile_store.7
-    (local.set $8
-     (i32.const 0)
-    )
-    (block $do_backpatches.6
-    )
-   )
-   (block $compile_store.9
-    (local.set $9
-     (i32.const 0)
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $compile_store.11
-    (local.set $10
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (local.get $6)
-      )
-     )
-    )
-    (block $do_backpatches.10
-    )
-   )
-   (block $compile_store.13
-    (local.set $11
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=12
-       (local.get $6)
-      )
-     )
-    )
-    (block $do_backpatches.12
-    )
-   )
-   (block $compile_store.15
-    (local.set $12
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=16
-       (local.get $6)
-      )
-     )
-    )
-    (block $do_backpatches.14
-    )
-   )
-   (block $cleanup.16
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $6)
-     )
-    )
-   )
-   (drop
-    (block $compile_set.17 (result i32)
-     (local.set $9
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (local.get $12)
-         )
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $9)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.18 (result i32)
-     (local.set $8
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (local.get $11)
-         )
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $8)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.19 (result i32)
-     (local.set $7
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (local.get $10)
-         )
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $7)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (block $compile_store.21
-    (local.set $13
-     (call $==_1125
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $==_1125)
-      )
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (local.get $7)
-      )
-      (i32.const 3)
-     )
-    )
-    (block $do_backpatches.20
-    )
-   )
-   (block $compile_store.28
-    (local.set $14
-     (if (result i32)
-      (i32.shr_u
-       (local.get $13)
-       (i32.const 31)
-      )
-      (block $compile_block.25 (result i32)
-       (drop
-        (block $compile_set.22 (result i32)
-         (local.set $9
-          (tuple.extract 0
-           (tuple.make
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (call $incRef_0
-              (global.get $GRAIN$EXPORT$incRef_0)
-              (local.get $12)
-             )
-            )
-            (call $decRef_0
-             (global.get $GRAIN$EXPORT$decRef_0)
-             (local.get $9)
-            )
-           )
-          )
-         )
-         (i32.const 1879048190)
-        )
-       )
-       (drop
-        (block $compile_set.23 (result i32)
-         (local.set $8
-          (tuple.extract 0
-           (tuple.make
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (call $incRef_0
-              (global.get $GRAIN$EXPORT$incRef_0)
-              (local.get $11)
-             )
-            )
-            (call $decRef_0
-             (global.get $GRAIN$EXPORT$decRef_0)
-             (local.get $8)
-            )
-           )
-          )
-         )
-         (i32.const 1879048190)
-        )
-       )
-       (drop
-        (block $compile_set.24 (result i32)
-         (local.set $7
-          (tuple.extract 0
-           (tuple.make
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (call $incRef_0
-              (global.get $GRAIN$EXPORT$incRef_0)
-              (local.get $10)
-             )
-            )
-            (call $decRef_0
-             (global.get $GRAIN$EXPORT$decRef_0)
-             (local.get $7)
-            )
-           )
-          )
-         )
-         (i32.const 1879048190)
-        )
-       )
-       (i32.const 1)
-      )
-      (block $compile_block.26 (result i32)
-       (i32.const 3)
-      )
-     )
-    )
-    (block $do_backpatches.27
-    )
-   )
-   (block $cleanup.29
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $10)
-     )
-    )
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $11)
-     )
-    )
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $12)
-     )
-    )
-   )
-   (tuple.extract 0
-    (tuple.make
-     (block $switch.31_outer (result i32)
-      (block $switch.31_branch_0 (result i32)
-       (drop
-        (block $switch.31_branch_1 (result i32)
-         (drop
-          (block $switch.31_branch_2 (result i32)
-           (drop
-            (block $switch.31_default (result i32)
-             (br_table $switch.31_branch_1 $switch.31_branch_2 $switch.31_default $switch.31_default
-              (i32.const 0)
-              (i32.shr_s
-               (local.get $14)
-               (i32.const 1)
-              )
-             )
-            )
-           )
-           (br $switch.31_outer
-            (block $compile_block.34 (result i32)
-             (unreachable)
-            )
-           )
-          )
-         )
-         (br $switch.31_outer
-          (block $compile_block.33 (result i32)
-           (i32.const 199)
-          )
-         )
-        )
-       )
-       (br $switch.31_outer
-        (block $compile_block.32 (result i32)
-         (i32.const 85)
-        )
-       )
-      )
-     )
-     (block $cleanup.30 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $7)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $8)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $9)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1125) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1125) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 5 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 1)
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 6 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 2)
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MLocalBind 3 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+                (immediate_analyses ((last_usage Unknown))))))
+             (immediate_analyses ((last_usage Unknown)))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MLocalBind 2 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+                (immediate_analyses ((last_usage Unknown))))))
+             (immediate_analyses ((last_usage Unknown)))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MLocalBind 1 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+                (immediate_analyses ((last_usage Unknown))))))
+             (immediate_analyses ((last_usage Unknown)))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MCallKnown (func ==_1125)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind ==_1125 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+           (args
+            (((immediate_desc
+               (MIncRef
+                ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+                 (immediate_analyses ((last_usage Unknown))))))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 (Unmanaged WasmI32))
+        ((instr_desc
+          (MIf
+           ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Last))))
+           (((instr_desc
+              (MDrop
+               ((instr_desc
+                 (MSet (MLocalBind 3 Managed)
+                  ((instr_desc
+                    (MImmediate
+                     ((immediate_desc
+                       (MIncRef
+                        ((immediate_desc
+                          (MImmBinding (MLocalBind 6 Managed)))
+                         (immediate_analyses ((last_usage Last))))))
+                      (immediate_analyses ((last_usage Unknown)))))))))))))
+            ((instr_desc
+              (MDrop
+               ((instr_desc
+                 (MSet (MLocalBind 2 Managed)
+                  ((instr_desc
+                    (MImmediate
+                     ((immediate_desc
+                       (MIncRef
+                        ((immediate_desc
+                          (MImmBinding (MLocalBind 5 Managed)))
+                         (immediate_analyses ((last_usage Last))))))
+                      (immediate_analyses ((last_usage Unknown)))))))))))))
+            ((instr_desc
+              (MDrop
+               ((instr_desc
+                 (MSet (MLocalBind 1 Managed)
+                  ((instr_desc
+                    (MImmediate
+                     ((immediate_desc
+                       (MIncRef
+                        ((immediate_desc
+                          (MImmBinding (MLocalBind 4 Managed)))
+                         (immediate_analyses ((last_usage Last))))))
+                      (immediate_analyses ((last_usage Unknown)))))))))))))
+            ((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmConst (MConstI32 0)))
+                (immediate_analyses ((last_usage Unknown))))))))
+           (((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmConst (MConstI32 1)))
+                (immediate_analyses ((last_usage Unknown))))))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MCleanup
+      (((instr_desc
+         (MSwitch
+          ((immediate_desc (MImmBinding (MLocalBind 1 (Unmanaged WasmI32))))
+           (immediate_analyses ((last_usage Last))))
+          ((0
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc (MImmConst (MConstI32 42)))
+                 (immediate_analyses ((last_usage Unknown)))))))))
+           (1
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc (MImmConst (MConstI32 99)))
+                 (immediate_analyses ((last_usage Unknown))))))))))
+          (((instr_desc
+             (MImmediate
+              ((immediate_desc MImmTrap)
+               (immediate_analyses ((last_usage Unknown))))))))
+          Managed))))
+      (((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 7) (stack_size_i32 2) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1130) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/pattern_matching.25930935.0.snapshot b/compiler/test/__snapshots__/pattern_matching.25930935.0.snapshot
index 49b0de757..7eb5ca69f 100644
--- a/compiler/test/__snapshots__/pattern_matching.25930935.0.snapshot
+++ b/compiler/test/__snapshots__/pattern_matching.25930935.0.snapshot
@@ -1,242 +1,168 @@
 pattern matching › low_level_constant_match_3
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$print\" (global $print_1116 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"print\" (func $print_1116 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (block $compile_block.28 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_adt.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 501102191)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.5
-    (local.set $7
-     (select
-      (i32.const -2)
-      (i32.const 2147483646)
-      (f32.eq
-       (f32.const 1)
-       (f32.const 0)
-      )
-     )
-    )
-    (block $do_backpatches.4
-    )
-   )
-   (block $compile_store.17
-    (local.set $8
-     (if (result i32)
-      (i32.shr_u
-       (local.get $7)
-       (i32.const 31)
-      )
-      (block $compile_block.6 (result i32)
-       (i32.const 1)
-      )
-      (block $compile_block.15 (result i32)
-       (block $compile_store.8
-        (local.set $9
-         (select
-          (i32.const -2)
-          (i32.const 2147483646)
-          (f32.eq
-           (f32.const 1)
-           (f32.const 1)
-          )
-         )
-        )
-        (block $do_backpatches.7
-        )
-       )
-       (if (result i32)
-        (i32.shr_u
-         (local.get $9)
-         (i32.const 31)
-        )
-        (block $compile_block.9 (result i32)
-         (i32.const 3)
-        )
-        (block $compile_block.14 (result i32)
-         (block $compile_store.11
-          (local.set $10
-           (select
-            (i32.const -2)
-            (i32.const 2147483646)
-            (f32.eq
-             (f32.const 1)
-             (f32.const 2)
-            )
-           )
-          )
-          (block $do_backpatches.10
-          )
-         )
-         (if (result i32)
-          (i32.shr_u
-           (local.get $10)
-           (i32.const 31)
-          )
-          (block $compile_block.12 (result i32)
-           (i32.const 5)
-          )
-          (block $compile_block.13 (result i32)
-           (i32.const 7)
-          )
-         )
-        )
-       )
-      )
-     )
-    )
-    (block $do_backpatches.16
-    )
-   )
-   (block $compile_store.25
-    (local.set $11
-     (block $switch.18_outer (result i32)
-      (block $switch.18_branch_0 (result i32)
-       (drop
-        (block $switch.18_branch_1 (result i32)
-         (drop
-          (block $switch.18_branch_2 (result i32)
-           (drop
-            (block $switch.18_branch_3 (result i32)
-             (drop
-              (block $switch.18_branch_4 (result i32)
-               (drop
-                (block $switch.18_default (result i32)
-                 (br_table $switch.18_branch_1 $switch.18_branch_2 $switch.18_branch_3 $switch.18_branch_4 $switch.18_default $switch.18_default
-                  (i32.const 0)
-                  (i32.shr_s
-                   (local.get $8)
-                   (i32.const 1)
-                  )
-                 )
-                )
-               )
-               (br $switch.18_outer
-                (block $compile_block.23 (result i32)
-                 (unreachable)
-                )
-               )
-              )
-             )
-             (br $switch.18_outer
-              (block $compile_block.22 (result i32)
-               (i32.const 2147483646)
-              )
-             )
-            )
-           )
-           (br $switch.18_outer
-            (block $compile_block.21 (result i32)
-             (i32.const 2147483646)
-            )
-           )
-          )
-         )
-         (br $switch.18_outer
-          (block $compile_block.20 (result i32)
-           (i32.const -2)
-          )
-         )
-        )
-       )
-       (br $switch.18_outer
-        (block $compile_block.19 (result i32)
-         (i32.const 2147483646)
-        )
-       )
-      )
-     )
-    )
-    (block $do_backpatches.24
-    )
-   )
-   (block $compile_store.27
-    (local.set $12
-     (call $print_1116
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $print_1116)
-      )
-      (local.get $11)
-      (local.get $6)
-     )
-    )
-    (block $do_backpatches.26
-    )
-   )
-   (i32.const 1)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1116) (name print))) (mimp_mod pervasives.gr)
+    (mimp_name print)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1116) (name print))) (mimp_mod pervasives.gr)
+    (mimp_name print) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 250551095)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 3)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MPrim2
+           (WasmBinaryF32 (wasm_op Op_eq_float32)
+            (arg_types (Wasm_float32 Wasm_float32)) (ret_type Grain_bool))
+           ((immediate_desc
+             (MImmConst (MConstLiteral (MConstF32 4607182418800017408))))
+            (immediate_analyses ((last_usage Unknown))))
+           ((immediate_desc (MImmConst (MConstLiteral (MConstF32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 (Unmanaged WasmI32))
+        ((instr_desc
+          (MIf
+           ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Last))))
+           (((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmConst (MConstI32 0)))
+                (immediate_analyses ((last_usage Unknown))))))))
+           (((instr_desc
+              (MStore
+               (((MLocalBind 2 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MPrim2
+                    (WasmBinaryF32 (wasm_op Op_eq_float32)
+                     (arg_types (Wasm_float32 Wasm_float32))
+                     (ret_type Grain_bool))
+                    ((immediate_desc
+                      (MImmConst
+                       (MConstLiteral (MConstF32 4607182418800017408))))
+                     (immediate_analyses ((last_usage Unknown))))
+                    ((immediate_desc
+                      (MImmConst
+                       (MConstLiteral (MConstF32 4607182418800017408))))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MIf
+               ((immediate_desc
+                 (MImmBinding (MLocalBind 2 (Unmanaged WasmI32))))
+                (immediate_analyses ((last_usage Last))))
+               (((instr_desc
+                  (MImmediate
+                   ((immediate_desc (MImmConst (MConstI32 1)))
+                    (immediate_analyses ((last_usage Unknown))))))))
+               (((instr_desc
+                  (MStore
+                   (((MLocalBind 3 (Unmanaged WasmI32))
+                     ((instr_desc
+                       (MPrim2
+                        (WasmBinaryF32 (wasm_op Op_eq_float32)
+                         (arg_types (Wasm_float32 Wasm_float32))
+                         (ret_type Grain_bool))
+                        ((immediate_desc
+                          (MImmConst
+                           (MConstLiteral (MConstF32 4607182418800017408))))
+                         (immediate_analyses ((last_usage Unknown))))
+                        ((immediate_desc
+                          (MImmConst
+                           (MConstLiteral (MConstF32 4611686018427387904))))
+                         (immediate_analyses ((last_usage Unknown))))))))))))
+                ((instr_desc
+                  (MIf
+                   ((immediate_desc
+                     (MImmBinding (MLocalBind 3 (Unmanaged WasmI32))))
+                    (immediate_analyses ((last_usage Last))))
+                   (((instr_desc
+                      (MImmediate
+                       ((immediate_desc (MImmConst (MConstI32 2)))
+                        (immediate_analyses ((last_usage Unknown))))))))
+                   (((instr_desc
+                      (MImmediate
+                       ((immediate_desc (MImmConst (MConstI32 3)))
+                        (immediate_analyses ((last_usage Unknown))))))))))))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 (Unmanaged WasmI32))
+        ((instr_desc
+          (MSwitch
+           ((immediate_desc (MImmBinding (MLocalBind 1 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Last))))
+           ((0
+             (((instr_desc
+                (MImmediate
+                 ((immediate_desc
+                   (MImmConst (MConstLiteral (MConstI32 2147483646))))
+                  (immediate_analyses ((last_usage Unknown)))))))))
+            (1
+             (((instr_desc
+                (MImmediate
+                 ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+                  (immediate_analyses ((last_usage Unknown)))))))))
+            (2
+             (((instr_desc
+                (MImmediate
+                 ((immediate_desc
+                   (MImmConst (MConstLiteral (MConstI32 2147483646))))
+                  (immediate_analyses ((last_usage Unknown)))))))))
+            (3
+             (((instr_desc
+                (MImmediate
+                 ((immediate_desc
+                   (MImmConst (MConstLiteral (MConstI32 2147483646))))
+                  (immediate_analyses ((last_usage Unknown))))))))))
+           (((instr_desc
+              (MImmediate
+               ((immediate_desc MImmTrap)
+                (immediate_analyses ((last_usage Unknown))))))))
+           (Unmanaged WasmI32)))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 5 (Unmanaged WasmI32))
+        ((instr_desc
+          (MCallKnown (func print_1116)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc
+                 (MImmBinding (MGlobalBind print_1116 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type (((Unmanaged WasmI32) Managed) ((Unmanaged WasmI32))))
+           (args
+            (((immediate_desc
+               (MImmBinding (MLocalBind 4 (Unmanaged WasmI32))))
+              (immediate_analyses ((last_usage Last))))
+             ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstI32 0)))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 6) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1125) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/pattern_matching.3722b060.0.snapshot b/compiler/test/__snapshots__/pattern_matching.3722b060.0.snapshot
index 685a2a874..f3b9ac582 100644
--- a/compiler/test/__snapshots__/pattern_matching.3722b060.0.snapshot
+++ b/compiler/test/__snapshots__/pattern_matching.3722b060.0.snapshot
@@ -1,425 +1,236 @@
 pattern matching › tuple_match_deep
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1131 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1131 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (local $13 i32)
-  (local $14 i32)
-  (local $15 i32)
-  (local $16 i32)
-  (local $17 i32)
-  (local $18 i32)
-  (block $compile_block.40 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_tuple.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 9)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 11)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_tuple.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (local.get $6)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 7)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.8
-    (local.set $8
-     (i32.const 0)
-    )
-    (block $do_backpatches.7
-    )
-   )
-   (block $compile_store.10
-    (local.set $9
-     (i32.const 0)
-    )
-    (block $do_backpatches.9
-    )
-   )
-   (block $compile_store.12
-    (local.set $10
-     (i32.const 0)
-    )
-    (block $do_backpatches.11
-    )
-   )
-   (block $compile_store.14
-    (local.set $11
-     (i32.const 0)
-    )
-    (block $do_backpatches.13
-    )
-   )
-   (block $compile_store.16
-    (local.set $12
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (local.get $7)
-      )
-     )
-    )
-    (block $do_backpatches.15
-    )
-   )
-   (block $compile_store.18
-    (local.set $13
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=12
-       (local.get $7)
-      )
-     )
-    )
-    (block $do_backpatches.17
-    )
-   )
-   (block $compile_store.20
-    (local.set $14
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=16
-       (local.get $7)
-      )
-     )
-    )
-    (block $do_backpatches.19
-    )
-   )
-   (block $cleanup.21
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $7)
-     )
-    )
-   )
-   (block $compile_store.23
-    (local.set $15
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (local.get $13)
-      )
-     )
-    )
-    (block $do_backpatches.22
-    )
-   )
-   (block $compile_store.25
-    (local.set $16
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=12
-       (local.get $13)
-      )
-     )
-    )
-    (block $do_backpatches.24
-    )
-   )
-   (block $cleanup.26
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $13)
-     )
-    )
-   )
-   (drop
-    (block $compile_set.27 (result i32)
-     (local.set $11
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $14)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $11)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.28 (result i32)
-     (local.set $8
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $12)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $8)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.29 (result i32)
-     (local.set $10
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $16)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $10)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.30 (result i32)
-     (local.set $9
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $15)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $9)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (tuple.extract 0
-    (tuple.make
-     (block $switch.32_outer (result i32)
-      (block $switch.32_branch_0 (result i32)
-       (drop
-        (block $switch.32_branch_1 (result i32)
-         (drop
-          (block $switch.32_default (result i32)
-           (br_table $switch.32_branch_1 $switch.32_default $switch.32_default
-            (i32.const 0)
-            (i32.shr_s
-             (i32.const 1)
-             (i32.const 1)
-            )
-           )
-          )
-         )
-         (br $switch.32_outer
-          (block $compile_block.39 (result i32)
-           (unreachable)
-          )
-         )
-        )
-       )
-       (br $switch.32_outer
-        (block $compile_block.38
-         (block $compile_store.34
-          (local.set $17
-           (call $+_1131
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (global.get $+_1131)
-            )
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (local.get $8)
-            )
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (local.get $11)
-            )
-           )
-          )
-          (block $do_backpatches.33
-          )
-         )
-         (block $compile_store.36
-          (local.set $18
-           (call $+_1131
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (global.get $+_1131)
-            )
-            (local.get $17)
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (local.get $9)
-            )
-           )
-          )
-          (block $do_backpatches.35
-          )
-         )
-         (block $cleanup.37
-          (drop
-           (call $decRef_0
-            (global.get $GRAIN$EXPORT$decRef_0)
-            (local.get $8)
-           )
-          )
-          (drop
-           (call $decRef_0
-            (global.get $GRAIN$EXPORT$decRef_0)
-            (local.get $9)
-           )
-          )
-          (drop
-           (call $decRef_0
-            (global.get $GRAIN$EXPORT$decRef_0)
-            (local.get $11)
-           )
-          )
-         )
-         (return_call $+_1131
-          (call $incRef_0
-           (global.get $GRAIN$EXPORT$incRef_0)
-           (global.get $+_1131)
-          )
-          (local.get $18)
-          (local.get $10)
-         )
-        )
-       )
-      )
-     )
-     (block $cleanup.31 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $8)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $9)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $10)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $11)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1131) (name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1131) (name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 4)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 5)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))
+             ((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 5 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 6 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 7 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 1)
+           ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 8 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 2)
+           ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 9 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 10 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 1)
+           ((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MLocalBind 5 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 8 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MLocalBind 2 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MLocalBind 4 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 10 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MLocalBind 3 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 9 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MCleanup
+      (((instr_desc
+         (MSwitch
+          ((immediate_desc (MImmConst (MConstI32 0)))
+           (immediate_analyses ((last_usage Unknown))))
+          ((0
+            (((instr_desc
+               (MStore
+                (((MLocalBind 11 Managed)
+                  ((instr_desc
+                    (MCallKnown (func +_1131)
+                     (closure
+                      ((immediate_desc
+                        (MIncRef
+                         ((immediate_desc
+                           (MImmBinding (MGlobalBind +_1131 Managed)))
+                          (immediate_analyses ((last_usage Unknown))))))
+                       (immediate_analyses ((last_usage Unknown)))))
+                     (func_type ((Managed Managed) (Managed)))
+                     (args
+                      (((immediate_desc
+                         (MIncRef
+                          ((immediate_desc
+                            (MImmBinding (MLocalBind 2 Managed)))
+                           (immediate_analyses ((last_usage Last))))))
+                        (immediate_analyses ((last_usage Unknown))))
+                       ((immediate_desc
+                         (MIncRef
+                          ((immediate_desc
+                            (MImmBinding (MLocalBind 5 Managed)))
+                           (immediate_analyses ((last_usage Last))))))
+                        (immediate_analyses ((last_usage Unknown))))))))))))))
+             ((instr_desc
+               (MStore
+                (((MLocalBind 12 Managed)
+                  ((instr_desc
+                    (MCallKnown (func +_1131)
+                     (closure
+                      ((immediate_desc
+                        (MIncRef
+                         ((immediate_desc
+                           (MImmBinding (MGlobalBind +_1131 Managed)))
+                          (immediate_analyses ((last_usage Unknown))))))
+                       (immediate_analyses ((last_usage Unknown)))))
+                     (func_type ((Managed Managed) (Managed)))
+                     (args
+                      (((immediate_desc
+                         (MImmBinding (MLocalBind 11 Managed)))
+                        (immediate_analyses ((last_usage Last))))
+                       ((immediate_desc
+                         (MIncRef
+                          ((immediate_desc
+                            (MImmBinding (MLocalBind 3 Managed)))
+                           (immediate_analyses ((last_usage Last))))))
+                        (immediate_analyses ((last_usage Unknown))))))))))))))
+             ((instr_desc
+               (MCleanup ()
+                (((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))))))
+             ((instr_desc
+               (MReturnCallKnown (func +_1131)
+                (closure
+                 ((immediate_desc
+                   (MIncRef
+                    ((immediate_desc
+                      (MImmBinding (MGlobalBind +_1131 Managed)))
+                     (immediate_analyses ((last_usage Last))))))
+                  (immediate_analyses ((last_usage Unknown)))))
+                (func_type ((Managed Managed) (Managed)))
+                (args
+                 (((immediate_desc (MImmBinding (MLocalBind 12 Managed)))
+                   (immediate_analyses ((last_usage Last))))
+                  ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+                   (immediate_analyses ((last_usage Last))))))))))))
+          (((instr_desc
+             (MImmediate
+              ((immediate_desc MImmTrap)
+               (immediate_analyses ((last_usage Unknown))))))))
+          Managed))))
+      (((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 13) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1134) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/pattern_matching.46f91987.0.snapshot b/compiler/test/__snapshots__/pattern_matching.46f91987.0.snapshot
index 2ab39508f..1e7e2f241 100644
--- a/compiler/test/__snapshots__/pattern_matching.46f91987.0.snapshot
+++ b/compiler/test/__snapshots__/pattern_matching.46f91987.0.snapshot
@@ -1,204 +1,78 @@
 pattern matching › record_match_1
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (block $compile_block.17 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_string.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i64.store offset=8
-       (local.get $0)
-       (i64.const 7303010)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_record.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 3)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 656589387)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2227)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 9)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (local.get $6)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (i32.const -2)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.8
-    (local.set $8
-     (i32.const 0)
-    )
-    (block $do_backpatches.7
-    )
-   )
-   (block $compile_store.10
-    (local.set $9
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=16
-       (local.get $7)
-      )
-     )
-    )
-    (block $do_backpatches.9
-    )
-   )
-   (block $cleanup.11
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $7)
-     )
-    )
-   )
-   (drop
-    (block $compile_set.12 (result i32)
-     (local.set $8
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $9)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $8)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (tuple.extract 0
-    (tuple.make
-     (block $switch.14_outer (result i32)
-      (block $switch.14_branch_0 (result i32)
-       (drop
-        (block $switch.14_branch_1 (result i32)
-         (drop
-          (block $switch.14_default (result i32)
-           (br_table $switch.14_branch_1 $switch.14_default $switch.14_default
-            (i32.const 0)
-            (i32.shr_s
-             (i32.const 1)
-             (i32.const 1)
-            )
-           )
-          )
-         )
-         (br $switch.14_outer
-          (block $compile_block.16 (result i32)
-           (unreachable)
-          )
-         )
-        )
-       )
-       (br $switch.14_outer
-        (block $compile_block.15 (result i32)
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (local.get $8)
-         )
-        )
-       )
-      )
-     )
-     (block $cleanup.13 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $8)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 643
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed) ((instr_desc (MAllocate (MString boo)))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MRecord
+            ((immediate_desc (MImmConst (MConstI32 328294693)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1113)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((foo)
+              ((immediate_desc (MImmConst (MConstI32 4)))
+               (immediate_analyses ((last_usage Unknown)))))
+             ((bar)
+              ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+               (immediate_analyses ((last_usage Last)))))
+             ((baz)
+              ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+               (immediate_analyses ((last_usage Unknown)))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MRecordOp (MRecordGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MLocalBind 2 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MCleanup
+      (((instr_desc
+         (MSwitch
+          ((immediate_desc (MImmConst (MConstI32 0)))
+           (immediate_analyses ((last_usage Unknown))))
+          ((0
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc
+                  (MIncRef
+                   ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+                    (immediate_analyses ((last_usage Last))))))
+                 (immediate_analyses ((last_usage Unknown))))))))))
+          (((instr_desc
+             (MImmediate
+              ((immediate_desc MImmTrap)
+               (immediate_analyses ((last_usage Unknown))))))))
+          Managed))))
+      (((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 4) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1124) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/pattern_matching.5b158103.0.snapshot b/compiler/test/__snapshots__/pattern_matching.5b158103.0.snapshot
index 3731854f3..fdd9a7eac 100644
--- a/compiler/test/__snapshots__/pattern_matching.5b158103.0.snapshot
+++ b/compiler/test/__snapshots__/pattern_matching.5b158103.0.snapshot
@@ -1,462 +1,226 @@
 pattern matching › constant_match_2
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/equal.gr\" \"GRAIN$EXPORT$equal\" (global $GRAIN$EXPORT$equal_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/equal.gr\" \"equal\" (func $equal_0 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (local $13 i32)
-  (local $14 i32)
-  (local $15 i32)
-  (local $16 i32)
-  (local $17 i32)
-  (local $18 i32)
-  (local $19 i32)
-  (block $compile_block.53 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_string.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i64.store offset=8
-       (local.get $0)
-       (i64.const 7303014)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_tuple.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (local.get $6)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2147483646)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.8
-    (local.set $8
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (local.get $7)
-      )
-     )
-    )
-    (block $do_backpatches.7
-    )
-   )
-   (block $compile_store.10
-    (local.set $9
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=12
-       (local.get $7)
-      )
-     )
-    )
-    (block $do_backpatches.9
-    )
-   )
-   (block $compile_store.12
-    (local.set $10
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=16
-       (local.get $7)
-      )
-     )
-    )
-    (block $do_backpatches.11
-    )
-   )
-   (block $cleanup.13
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $7)
-     )
-    )
-   )
-   (block $compile_store.16
-    (local.set $11
-     (block $allocate_string.14 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i64.store offset=8
-       (local.get $0)
-       (i64.const 7496034)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.15
-    )
-   )
-   (block $compile_store.18
-    (local.set $13
-     (call $equal_0
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $GRAIN$EXPORT$equal_0)
-      )
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (local.get $8)
-      )
-      (local.get $11)
-     )
-    )
-    (block $do_backpatches.17
-    )
-   )
-   (block $compile_store.45
-    (local.set $14
-     (if (result i32)
-      (i32.shr_u
-       (local.get $13)
-       (i32.const 31)
-      )
-      (block $compile_block.27 (result i32)
-       (block $compile_store.20
-        (local.set $18
-         (call $equal_0
-          (call $incRef_0
-           (global.get $GRAIN$EXPORT$incRef_0)
-           (global.get $GRAIN$EXPORT$equal_0)
-          )
-          (call $incRef_0
-           (global.get $GRAIN$EXPORT$incRef_0)
-           (local.get $9)
-          )
-          (i32.const 11)
-         )
-        )
-        (block $do_backpatches.19
-        )
-       )
-       (if (result i32)
-        (i32.shr_u
-         (local.get $18)
-         (i32.const 31)
-        )
-        (block $compile_block.25 (result i32)
-         (block $compile_store.22
-          (local.set $19
-           (i32.or
-            (i32.shl
-             (i32.eq
-              (local.get $10)
-              (i32.const 2147483646)
-             )
-             (i32.const 31)
-            )
-            (i32.const 2147483646)
-           )
-          )
-          (block $do_backpatches.21
-          )
-         )
-         (if (result i32)
-          (i32.shr_u
-           (local.get $19)
-           (i32.const 31)
-          )
-          (block $compile_block.23 (result i32)
-           (i32.const 1)
-          )
-          (block $compile_block.24 (result i32)
-           (i32.const 7)
-          )
-         )
-        )
-        (block $compile_block.26 (result i32)
-         (i32.const 7)
-        )
-       )
-      )
-      (block $compile_block.43 (result i32)
-       (block $compile_store.30
-        (local.set $12
-         (block $allocate_string.28 (result i32)
-          (i32.store
-           (local.tee $0
-            (call $malloc_0
-             (global.get $GRAIN$EXPORT$malloc_0)
-             (i32.const 16)
-            )
-           )
-           (i32.const 1)
-          )
-          (i32.store offset=4
-           (local.get $0)
-           (i32.const 3)
-          )
-          (i64.store offset=8
-           (local.get $0)
-           (i64.const 7303014)
-          )
-          (local.get $0)
-         )
-        )
-        (block $do_backpatches.29
-        )
-       )
-       (block $compile_store.32
-        (local.set $15
-         (call $equal_0
-          (call $incRef_0
-           (global.get $GRAIN$EXPORT$incRef_0)
-           (global.get $GRAIN$EXPORT$equal_0)
-          )
-          (call $incRef_0
-           (global.get $GRAIN$EXPORT$incRef_0)
-           (local.get $8)
-          )
-          (local.get $12)
-         )
-        )
-        (block $do_backpatches.31
-        )
-       )
-       (if (result i32)
-        (i32.shr_u
-         (local.get $15)
-         (i32.const 31)
-        )
-        (block $compile_block.41 (result i32)
-         (block $compile_store.34
-          (local.set $16
-           (i32.or
-            (i32.shl
-             (i32.eq
-              (local.get $10)
-              (i32.const 2147483646)
-             )
-             (i32.const 31)
-            )
-            (i32.const 2147483646)
-           )
-          )
-          (block $do_backpatches.33
-          )
-         )
-         (if (result i32)
-          (i32.shr_u
-           (local.get $16)
-           (i32.const 31)
-          )
-          (block $compile_block.35 (result i32)
-           (i32.const 5)
-          )
-          (block $compile_block.40 (result i32)
-           (block $compile_store.37
-            (local.set $17
-             (i32.or
-              (i32.shl
-               (i32.eq
-                (local.get $10)
-                (i32.const -2)
-               )
-               (i32.const 31)
-              )
-              (i32.const 2147483646)
-             )
-            )
-            (block $do_backpatches.36
-            )
-           )
-           (if (result i32)
-            (i32.shr_u
-             (local.get $17)
-             (i32.const 31)
-            )
-            (block $compile_block.38 (result i32)
-             (i32.const 3)
-            )
-            (block $compile_block.39 (result i32)
-             (i32.const 7)
-            )
-           )
-          )
-         )
-        )
-        (block $compile_block.42 (result i32)
-         (i32.const 7)
-        )
-       )
-      )
-     )
-    )
-    (block $do_backpatches.44
-    )
-   )
-   (block $cleanup.46
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $8)
-     )
-    )
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $9)
-     )
-    )
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $10)
-     )
-    )
-   )
-   (block $switch.47_outer (result i32)
-    (block $switch.47_branch_0 (result i32)
-     (drop
-      (block $switch.47_branch_1 (result i32)
-       (drop
-        (block $switch.47_branch_2 (result i32)
-         (drop
-          (block $switch.47_branch_3 (result i32)
-           (drop
-            (block $switch.47_branch_4 (result i32)
-             (drop
-              (block $switch.47_default (result i32)
-               (br_table $switch.47_branch_1 $switch.47_branch_2 $switch.47_branch_3 $switch.47_branch_4 $switch.47_default $switch.47_default
-                (i32.const 0)
-                (i32.shr_s
-                 (local.get $14)
-                 (i32.const 1)
-                )
-               )
-              )
-             )
-             (br $switch.47_outer
-              (block $compile_block.52 (result i32)
-               (unreachable)
-              )
-             )
-            )
-           )
-           (br $switch.47_outer
-            (block $compile_block.51 (result i32)
-             (i32.const 2147483646)
-            )
-           )
-          )
-         )
-         (br $switch.47_outer
-          (block $compile_block.50 (result i32)
-           (i32.const -2)
-          )
-         )
-        )
-       )
-       (br $switch.47_outer
-        (block $compile_block.49 (result i32)
-         (i32.const 2147483646)
-        )
-       )
-      )
-     )
-     (br $switch.47_outer
-      (block $compile_block.48 (result i32)
-       (i32.const 2147483646)
-      )
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed) ((instr_desc (MAllocate (MString foo)))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))
+             ((immediate_desc (MImmConst (MConstI32 5)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc
+               (MImmConst (MConstLiteral (MConstI32 2147483646))))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 1)
+           ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 2)
+           ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 5 Managed) ((instr_desc (MAllocate (MString bar)))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MPrim2 Eq
+           ((immediate_desc
+             (MIncRef
+              ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+               (immediate_analyses ((last_usage Unknown))))))
+            (immediate_analyses ((last_usage Unknown))))
+           ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 (Unmanaged WasmI32))
+        ((instr_desc
+          (MIf
+           ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Last))))
+           (((instr_desc
+              (MStore
+               (((MLocalBind 5 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MPrim2 Eq
+                    ((immediate_desc
+                      (MIncRef
+                       ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+                        (immediate_analyses ((last_usage Last))))))
+                     (immediate_analyses ((last_usage Unknown))))
+                    ((immediate_desc (MImmConst (MConstI32 5)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MIf
+               ((immediate_desc
+                 (MImmBinding (MLocalBind 5 (Unmanaged WasmI32))))
+                (immediate_analyses ((last_usage Last))))
+               (((instr_desc
+                  (MStore
+                   (((MLocalBind 6 (Unmanaged WasmI32))
+                     ((instr_desc
+                       (MPrim2 Is
+                        ((immediate_desc
+                          (MImmBinding (MLocalBind 4 Managed)))
+                         (immediate_analyses ((last_usage Unknown))))
+                        ((immediate_desc
+                          (MImmConst (MConstLiteral (MConstI32 2147483646))))
+                         (immediate_analyses ((last_usage Unknown))))))))))))
+                ((instr_desc
+                  (MIf
+                   ((immediate_desc
+                     (MImmBinding (MLocalBind 6 (Unmanaged WasmI32))))
+                    (immediate_analyses ((last_usage Last))))
+                   (((instr_desc
+                      (MImmediate
+                       ((immediate_desc (MImmConst (MConstI32 0)))
+                        (immediate_analyses ((last_usage Unknown))))))))
+                   (((instr_desc
+                      (MImmediate
+                       ((immediate_desc (MImmConst (MConstI32 3)))
+                        (immediate_analyses ((last_usage Unknown))))))))))))
+               (((instr_desc
+                  (MImmediate
+                   ((immediate_desc (MImmConst (MConstI32 3)))
+                    (immediate_analyses ((last_usage Unknown))))))))))))
+           (((instr_desc
+              (MStore
+               (((MLocalBind 6 Managed)
+                 ((instr_desc (MAllocate (MString foo)))))))))
+            ((instr_desc
+              (MStore
+               (((MLocalBind 2 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MPrim2 Eq
+                    ((immediate_desc
+                      (MIncRef
+                       ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+                        (immediate_analyses ((last_usage Last))))))
+                     (immediate_analyses ((last_usage Unknown))))
+                    ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+                     (immediate_analyses ((last_usage Last))))))))))))
+            ((instr_desc
+              (MIf
+               ((immediate_desc
+                 (MImmBinding (MLocalBind 2 (Unmanaged WasmI32))))
+                (immediate_analyses ((last_usage Last))))
+               (((instr_desc
+                  (MStore
+                   (((MLocalBind 3 (Unmanaged WasmI32))
+                     ((instr_desc
+                       (MPrim2 Is
+                        ((immediate_desc
+                          (MImmBinding (MLocalBind 4 Managed)))
+                         (immediate_analyses ((last_usage Unknown))))
+                        ((immediate_desc
+                          (MImmConst (MConstLiteral (MConstI32 2147483646))))
+                         (immediate_analyses ((last_usage Unknown))))))))))))
+                ((instr_desc
+                  (MIf
+                   ((immediate_desc
+                     (MImmBinding (MLocalBind 3 (Unmanaged WasmI32))))
+                    (immediate_analyses ((last_usage Last))))
+                   (((instr_desc
+                      (MImmediate
+                       ((immediate_desc (MImmConst (MConstI32 2)))
+                        (immediate_analyses ((last_usage Unknown))))))))
+                   (((instr_desc
+                      (MStore
+                       (((MLocalBind 4 (Unmanaged WasmI32))
+                         ((instr_desc
+                           (MPrim2 Is
+                            ((immediate_desc
+                              (MImmBinding (MLocalBind 4 Managed)))
+                             (immediate_analyses ((last_usage Last))))
+                            ((immediate_desc
+                              (MImmConst (MConstLiteral (MConstI32 -2))))
+                             (immediate_analyses ((last_usage Unknown))))))))))))
+                    ((instr_desc
+                      (MIf
+                       ((immediate_desc
+                         (MImmBinding (MLocalBind 4 (Unmanaged WasmI32))))
+                        (immediate_analyses ((last_usage Last))))
+                       (((instr_desc
+                          (MImmediate
+                           ((immediate_desc (MImmConst (MConstI32 1)))
+                            (immediate_analyses ((last_usage Unknown))))))))
+                       (((instr_desc
+                          (MImmediate
+                           ((immediate_desc (MImmConst (MConstI32 3)))
+                            (immediate_analyses ((last_usage Unknown))))))))))))))))
+               (((instr_desc
+                  (MImmediate
+                   ((immediate_desc (MImmConst (MConstI32 3)))
+                    (immediate_analyses ((last_usage Unknown))))))))))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MSwitch
+      ((immediate_desc (MImmBinding (MLocalBind 1 (Unmanaged WasmI32))))
+       (immediate_analyses ((last_usage Last))))
+      ((0
+        (((instr_desc
+           (MImmediate
+            ((immediate_desc
+              (MImmConst (MConstLiteral (MConstI32 2147483646))))
+             (immediate_analyses ((last_usage Unknown)))))))))
+       (1
+        (((instr_desc
+           (MImmediate
+            ((immediate_desc
+              (MImmConst (MConstLiteral (MConstI32 2147483646))))
+             (immediate_analyses ((last_usage Unknown)))))))))
+       (2
+        (((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+             (immediate_analyses ((last_usage Unknown)))))))))
+       (3
+        (((instr_desc
+           (MImmediate
+            ((immediate_desc
+              (MImmConst (MConstLiteral (MConstI32 2147483646))))
+             (immediate_analyses ((last_usage Unknown))))))))))
+      (((instr_desc
+         (MImmediate
+          ((immediate_desc MImmTrap)
+           (immediate_analyses ((last_usage Unknown))))))))
+      (Unmanaged WasmI32))))))
+ (main_body_stack_size
+  ((stack_size_ptr 7) (stack_size_i32 7) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1134) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/pattern_matching.5b6ff2d3.0.snapshot b/compiler/test/__snapshots__/pattern_matching.5b6ff2d3.0.snapshot
index 39d17adb6..a2c78a8a4 100644
--- a/compiler/test/__snapshots__/pattern_matching.5b6ff2d3.0.snapshot
+++ b/compiler/test/__snapshots__/pattern_matching.5b6ff2d3.0.snapshot
@@ -1,481 +1,276 @@
 pattern matching › alias_match_5
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/equal.gr\" \"GRAIN$EXPORT$equal\" (global $GRAIN$EXPORT$equal_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/equal.gr\" \"equal\" (func $equal_0 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (local $13 i32)
-  (local $14 i32)
-  (local $15 i32)
-  (local $16 i32)
-  (block $compile_block.47 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_adt.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 24)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 501102191)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 11)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.5
-    (local.set $7
-     (i32.const 0)
-    )
-    (block $do_backpatches.4
-    )
-   )
-   (block $compile_store.7
-    (local.set $8
-     (i32.const 0)
-    )
-    (block $do_backpatches.6
-    )
-   )
-   (block $compile_store.9
-    (local.set $10
-     (i32.load offset=12
-      (local.get $6)
-     )
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $compile_store.11
-    (local.set $11
-     (i32.or
-      (i32.shl
-       (i32.eq
-        (local.get $10)
-        (i32.const 3)
-       )
-       (i32.const 31)
-      )
-      (i32.const 2147483646)
-     )
-    )
-    (block $do_backpatches.10
-    )
-   )
-   (block $compile_store.38
-    (local.set $12
-     (if (result i32)
-      (i32.shr_u
-       (local.get $11)
-       (i32.const 31)
-      )
-      (block $compile_block.13 (result i32)
-       (drop
-        (block $compile_set.12 (result i32)
-         (local.set $8
-          (tuple.extract 0
-           (tuple.make
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (call $incRef_0
-              (global.get $GRAIN$EXPORT$incRef_0)
-              (local.get $6)
-             )
-            )
-            (call $decRef_0
-             (global.get $GRAIN$EXPORT$decRef_0)
-             (local.get $8)
-            )
-           )
-          )
-         )
-         (i32.const 1879048190)
-        )
-       )
-       (i32.const 3)
-      )
-      (block $compile_block.36 (result i32)
-       (block $compile_store.15
-        (local.set $13
-         (i32.or
-          (i32.shl
-           (i32.eq
-            (local.get $10)
-            (i32.const 1)
-           )
-           (i32.const 31)
-          )
-          (i32.const 2147483646)
-         )
-        )
-        (block $do_backpatches.14
-        )
-       )
-       (if (result i32)
-        (i32.shr_u
-         (local.get $13)
-         (i32.const 31)
-        )
-        (block $compile_block.34 (result i32)
-         (block $compile_store.17
-          (local.set $9
-           (call $incRef_0
-            (global.get $GRAIN$EXPORT$incRef_0)
-            (i32.load offset=20
-             (local.get $6)
-            )
-           )
-          )
-          (block $do_backpatches.16
-          )
-         )
-         (block $compile_store.19
-          (local.set $14
-           (call $equal_0
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (global.get $GRAIN$EXPORT$equal_0)
-            )
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (local.get $9)
-            )
-            (i32.const 7)
-           )
-          )
-          (block $do_backpatches.18
-          )
-         )
-         (tuple.extract 0
-          (tuple.make
-           (if (result i32)
-            (i32.shr_u
-             (local.get $14)
-             (i32.const 31)
-            )
-            (block $compile_block.22 (result i32)
-             (drop
-              (block $compile_set.21 (result i32)
-               (local.set $7
-                (tuple.extract 0
-                 (tuple.make
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (call $incRef_0
-                    (global.get $GRAIN$EXPORT$incRef_0)
-                    (local.get $6)
-                   )
-                  )
-                  (call $decRef_0
-                   (global.get $GRAIN$EXPORT$decRef_0)
-                   (local.get $7)
-                  )
-                 )
-                )
-               )
-               (i32.const 1879048190)
-              )
-             )
-             (i32.const 1)
-            )
-            (block $compile_block.33 (result i32)
-             (block $compile_store.24
-              (local.set $15
-               (call $equal_0
-                (call $incRef_0
-                 (global.get $GRAIN$EXPORT$incRef_0)
-                 (global.get $GRAIN$EXPORT$equal_0)
-                )
-                (call $incRef_0
-                 (global.get $GRAIN$EXPORT$incRef_0)
-                 (local.get $9)
-                )
-                (i32.const 9)
-               )
-              )
-              (block $do_backpatches.23
-              )
-             )
-             (if (result i32)
-              (i32.shr_u
-               (local.get $15)
-               (i32.const 31)
-              )
-              (block $compile_block.26 (result i32)
-               (drop
-                (block $compile_set.25 (result i32)
-                 (local.set $7
-                  (tuple.extract 0
-                   (tuple.make
-                    (call $incRef_0
-                     (global.get $GRAIN$EXPORT$incRef_0)
-                     (call $incRef_0
-                      (global.get $GRAIN$EXPORT$incRef_0)
-                      (local.get $6)
-                     )
-                    )
-                    (call $decRef_0
-                     (global.get $GRAIN$EXPORT$decRef_0)
-                     (local.get $7)
-                    )
-                   )
-                  )
-                 )
-                 (i32.const 1879048190)
-                )
-               )
-               (i32.const 1)
-              )
-              (block $compile_block.32 (result i32)
-               (block $compile_store.28
-                (local.set $16
-                 (call $equal_0
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (global.get $GRAIN$EXPORT$equal_0)
-                  )
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (local.get $9)
-                  )
-                  (i32.const 11)
-                 )
-                )
-                (block $do_backpatches.27
-                )
-               )
-               (if (result i32)
-                (i32.shr_u
-                 (local.get $16)
-                 (i32.const 31)
-                )
-                (block $compile_block.30 (result i32)
-                 (drop
-                  (block $compile_set.29 (result i32)
-                   (local.set $8
-                    (tuple.extract 0
-                     (tuple.make
-                      (call $incRef_0
-                       (global.get $GRAIN$EXPORT$incRef_0)
-                       (call $incRef_0
-                        (global.get $GRAIN$EXPORT$incRef_0)
-                        (local.get $6)
-                       )
-                      )
-                      (call $decRef_0
-                       (global.get $GRAIN$EXPORT$decRef_0)
-                       (local.get $8)
-                      )
-                     )
-                    )
-                   )
-                   (i32.const 1879048190)
-                  )
-                 )
-                 (i32.const 3)
-                )
-                (block $compile_block.31 (result i32)
-                 (i32.const 5)
-                )
-               )
-              )
-             )
-            )
-           )
-           (block $cleanup.20 (result i32)
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $9)
-             )
-            )
-            (i32.const 1879048190)
-           )
-          )
-         )
-        )
-        (block $compile_block.35 (result i32)
-         (i32.const 5)
-        )
-       )
-      )
-     )
-    )
-    (block $do_backpatches.37
-    )
-   )
-   (block $cleanup.39
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $6)
-     )
-    )
-   )
-   (tuple.extract 0
-    (tuple.make
-     (block $switch.41_outer (result i32)
-      (block $switch.41_branch_0 (result i32)
-       (drop
-        (block $switch.41_branch_1 (result i32)
-         (drop
-          (block $switch.41_branch_2 (result i32)
-           (drop
-            (block $switch.41_branch_3 (result i32)
-             (drop
-              (block $switch.41_default (result i32)
-               (br_table $switch.41_branch_1 $switch.41_branch_2 $switch.41_branch_3 $switch.41_default $switch.41_default
-                (i32.const 0)
-                (i32.shr_s
-                 (local.get $12)
-                 (i32.const 1)
-                )
-               )
-              )
-             )
-             (br $switch.41_outer
-              (block $compile_block.46 (result i32)
-               (unreachable)
-              )
-             )
-            )
-           )
-           (br $switch.41_outer
-            (block $compile_block.45 (result i32)
-             (block $allocate_adt.44 (result i32)
-              (i32.store
-               (local.tee $0
-                (call $malloc_0
-                 (global.get $GRAIN$EXPORT$malloc_0)
-                 (i32.const 20)
-                )
-               )
-               (i32.const 2)
-              )
-              (i32.store offset=4
-               (local.get $0)
-               (i32.const 501102191)
-              )
-              (i32.store offset=8
-               (local.get $0)
-               (i32.const 7)
-              )
-              (i32.store offset=12
-               (local.get $0)
-               (i32.const 3)
-              )
-              (i32.store offset=16
-               (local.get $0)
-               (i32.const 0)
-              )
-              (local.get $0)
-             )
-            )
-           )
-          )
-         )
-         (br $switch.41_outer
-          (block $compile_block.43 (result i32)
-           (call $incRef_0
-            (global.get $GRAIN$EXPORT$incRef_0)
-            (local.get $8)
-           )
-          )
-         )
-        )
-       )
-       (br $switch.41_outer
-        (block $compile_block.42 (result i32)
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (local.get $7)
-         )
-        )
-       )
-      )
-     )
-     (block $cleanup.40 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $7)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $8)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 250551095)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 3)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 5)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MAdtOp MAdtGetTag
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 (Unmanaged WasmI32))
+        ((instr_desc
+          (MPrim2 Is
+           ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Unknown))))
+           ((immediate_desc (MImmConst (MConstI32 1)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 (Unmanaged WasmI32))
+        ((instr_desc
+          (MIf
+           ((immediate_desc (MImmBinding (MLocalBind 1 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Last))))
+           (((instr_desc
+              (MDrop
+               ((instr_desc
+                 (MSet (MLocalBind 2 Managed)
+                  ((instr_desc
+                    (MImmediate
+                     ((immediate_desc
+                       (MIncRef
+                        ((immediate_desc
+                          (MImmBinding (MLocalBind 0 Managed)))
+                         (immediate_analyses ((last_usage Unknown))))))
+                      (immediate_analyses ((last_usage Unknown)))))))))))))
+            ((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmConst (MConstI32 1)))
+                (immediate_analyses ((last_usage Unknown))))))))
+           (((instr_desc
+              (MStore
+               (((MLocalBind 3 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MPrim2 Is
+                    ((immediate_desc
+                      (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+                     (immediate_analyses ((last_usage Last))))
+                    ((immediate_desc (MImmConst (MConstI32 0)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MIf
+               ((immediate_desc
+                 (MImmBinding (MLocalBind 3 (Unmanaged WasmI32))))
+                (immediate_analyses ((last_usage Last))))
+               (((instr_desc
+                  (MStore
+                   (((MLocalBind 3 Managed)
+                     ((instr_desc
+                       (MAdtOp (MAdtGet 0)
+                        ((immediate_desc
+                          (MImmBinding (MLocalBind 0 Managed)))
+                         (immediate_analyses ((last_usage Unknown))))))))))))
+                ((instr_desc
+                  (MStore
+                   (((MLocalBind 4 (Unmanaged WasmI32))
+                     ((instr_desc
+                       (MPrim2 Eq
+                        ((immediate_desc
+                          (MIncRef
+                           ((immediate_desc
+                             (MImmBinding (MLocalBind 3 Managed)))
+                            (immediate_analyses ((last_usage Unknown))))))
+                         (immediate_analyses ((last_usage Unknown))))
+                        ((immediate_desc (MImmConst (MConstI32 3)))
+                         (immediate_analyses ((last_usage Unknown))))))))))))
+                ((instr_desc
+                  (MCleanup
+                   (((instr_desc
+                      (MIf
+                       ((immediate_desc
+                         (MImmBinding (MLocalBind 4 (Unmanaged WasmI32))))
+                        (immediate_analyses ((last_usage Last))))
+                       (((instr_desc
+                          (MDrop
+                           ((instr_desc
+                             (MSet (MLocalBind 1 Managed)
+                              ((instr_desc
+                                (MImmediate
+                                 ((immediate_desc
+                                   (MIncRef
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 0 Managed)))
+                                     (immediate_analyses
+                                      ((last_usage Unknown))))))
+                                  (immediate_analyses ((last_usage Unknown)))))))))))))
+                        ((instr_desc
+                          (MImmediate
+                           ((immediate_desc (MImmConst (MConstI32 0)))
+                            (immediate_analyses ((last_usage Unknown))))))))
+                       (((instr_desc
+                          (MStore
+                           (((MLocalBind 5 (Unmanaged WasmI32))
+                             ((instr_desc
+                               (MPrim2 Eq
+                                ((immediate_desc
+                                  (MIncRef
+                                   ((immediate_desc
+                                     (MImmBinding (MLocalBind 3 Managed)))
+                                    (immediate_analyses
+                                     ((last_usage Unknown))))))
+                                 (immediate_analyses ((last_usage Unknown))))
+                                ((immediate_desc (MImmConst (MConstI32 4)))
+                                 (immediate_analyses ((last_usage Unknown))))))))))))
+                        ((instr_desc
+                          (MIf
+                           ((immediate_desc
+                             (MImmBinding (MLocalBind 5 (Unmanaged WasmI32))))
+                            (immediate_analyses ((last_usage Last))))
+                           (((instr_desc
+                              (MDrop
+                               ((instr_desc
+                                 (MSet (MLocalBind 1 Managed)
+                                  ((instr_desc
+                                    (MImmediate
+                                     ((immediate_desc
+                                       (MIncRef
+                                        ((immediate_desc
+                                          (MImmBinding
+                                           (MLocalBind 0 Managed)))
+                                         (immediate_analyses
+                                          ((last_usage Unknown))))))
+                                      (immediate_analyses
+                                       ((last_usage Unknown)))))))))))))
+                            ((instr_desc
+                              (MImmediate
+                               ((immediate_desc (MImmConst (MConstI32 0)))
+                                (immediate_analyses ((last_usage Unknown))))))))
+                           (((instr_desc
+                              (MStore
+                               (((MLocalBind 6 (Unmanaged WasmI32))
+                                 ((instr_desc
+                                   (MPrim2 Eq
+                                    ((immediate_desc
+                                      (MIncRef
+                                       ((immediate_desc
+                                         (MImmBinding (MLocalBind 3 Managed)))
+                                        (immediate_analyses
+                                         ((last_usage Last))))))
+                                     (immediate_analyses
+                                      ((last_usage Unknown))))
+                                    ((immediate_desc
+                                      (MImmConst (MConstI32 5)))
+                                     (immediate_analyses
+                                      ((last_usage Unknown))))))))))))
+                            ((instr_desc
+                              (MIf
+                               ((immediate_desc
+                                 (MImmBinding
+                                  (MLocalBind 6 (Unmanaged WasmI32))))
+                                (immediate_analyses ((last_usage Last))))
+                               (((instr_desc
+                                  (MDrop
+                                   ((instr_desc
+                                     (MSet (MLocalBind 2 Managed)
+                                      ((instr_desc
+                                        (MImmediate
+                                         ((immediate_desc
+                                           (MIncRef
+                                            ((immediate_desc
+                                              (MImmBinding
+                                               (MLocalBind 0 Managed)))
+                                             (immediate_analyses
+                                              ((last_usage Last))))))
+                                          (immediate_analyses
+                                           ((last_usage Unknown)))))))))))))
+                                ((instr_desc
+                                  (MImmediate
+                                   ((immediate_desc
+                                     (MImmConst (MConstI32 1)))
+                                    (immediate_analyses
+                                     ((last_usage Unknown))))))))
+                               (((instr_desc
+                                  (MImmediate
+                                   ((immediate_desc
+                                     (MImmConst (MConstI32 2)))
+                                    (immediate_analyses
+                                     ((last_usage Unknown))))))))))))))))))))
+                   (((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+                     (immediate_analyses ((last_usage Unknown)))))))))
+               (((instr_desc
+                  (MImmediate
+                   ((immediate_desc (MImmConst (MConstI32 2)))
+                    (immediate_analyses ((last_usage Unknown))))))))))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MCleanup
+      (((instr_desc
+         (MSwitch
+          ((immediate_desc (MImmBinding (MLocalBind 2 (Unmanaged WasmI32))))
+           (immediate_analyses ((last_usage Last))))
+          ((0
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc
+                  (MIncRef
+                   ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+                    (immediate_analyses ((last_usage Last))))))
+                 (immediate_analyses ((last_usage Unknown)))))))))
+           (1
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc
+                  (MIncRef
+                   ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+                    (immediate_analyses ((last_usage Last))))))
+                 (immediate_analyses ((last_usage Unknown)))))))))
+           (2
+            (((instr_desc
+               (MAllocate
+                (MADT
+                 ((immediate_desc (MImmConst (MConstI32 250551095)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmConst (MConstI32 3)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmConst (MConstI32 1)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ())))))))
+          (((instr_desc
+             (MImmediate
+              ((immediate_desc MImmTrap)
+               (immediate_analyses ((last_usage Unknown))))))))
+          Managed))))
+      (((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 4) (stack_size_i32 7) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1131) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/pattern_matching.5ff49e44.0.snapshot b/compiler/test/__snapshots__/pattern_matching.5ff49e44.0.snapshot
index 3f9a96e10..db653cacd 100644
--- a/compiler/test/__snapshots__/pattern_matching.5ff49e44.0.snapshot
+++ b/compiler/test/__snapshots__/pattern_matching.5ff49e44.0.snapshot
@@ -1,311 +1,173 @@
 pattern matching › record_match_4
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1126 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1126 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (local $13 i32)
-  (block $compile_block.27 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_record.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 3)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 656589387)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2227)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 9)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (i32.const 13)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.5
-    (local.set $7
-     (i32.const 0)
-    )
-    (block $do_backpatches.4
-    )
-   )
-   (block $compile_store.7
-    (local.set $8
-     (i32.const 0)
-    )
-    (block $do_backpatches.6
-    )
-   )
-   (block $compile_store.9
-    (local.set $9
-     (i32.const 0)
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $compile_store.11
-    (local.set $10
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=16
-       (local.get $6)
-      )
-     )
-    )
-    (block $do_backpatches.10
-    )
-   )
-   (block $compile_store.13
-    (local.set $11
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=20
-       (local.get $6)
-      )
-     )
-    )
-    (block $do_backpatches.12
-    )
-   )
-   (block $compile_store.15
-    (local.set $12
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=24
-       (local.get $6)
-      )
-     )
-    )
-    (block $do_backpatches.14
-    )
-   )
-   (block $cleanup.16
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $6)
-     )
-    )
-   )
-   (drop
-    (block $compile_set.17 (result i32)
-     (local.set $9
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $12)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $9)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.18 (result i32)
-     (local.set $8
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $11)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $8)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.19 (result i32)
-     (local.set $7
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $10)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $7)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (tuple.extract 0
-    (tuple.make
-     (block $switch.21_outer (result i32)
-      (block $switch.21_branch_0 (result i32)
-       (drop
-        (block $switch.21_branch_1 (result i32)
-         (drop
-          (block $switch.21_default (result i32)
-           (br_table $switch.21_branch_1 $switch.21_default $switch.21_default
-            (i32.const 0)
-            (i32.shr_s
-             (i32.const 1)
-             (i32.const 1)
-            )
-           )
-          )
-         )
-         (br $switch.21_outer
-          (block $compile_block.26 (result i32)
-           (unreachable)
-          )
-         )
-        )
-       )
-       (br $switch.21_outer
-        (block $compile_block.25
-         (block $compile_store.23
-          (local.set $13
-           (call $+_1126
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (global.get $+_1126)
-            )
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (local.get $7)
-            )
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (local.get $8)
-            )
-           )
-          )
-          (block $do_backpatches.22
-          )
-         )
-         (block $cleanup.24
-          (drop
-           (call $decRef_0
-            (global.get $GRAIN$EXPORT$decRef_0)
-            (local.get $7)
-           )
-          )
-          (drop
-           (call $decRef_0
-            (global.get $GRAIN$EXPORT$decRef_0)
-            (local.get $8)
-           )
-          )
-         )
-         (return_call $+_1126
-          (call $incRef_0
-           (global.get $GRAIN$EXPORT$incRef_0)
-           (global.get $+_1126)
-          )
-          (local.get $13)
-          (local.get $9)
-         )
-        )
-       )
-      )
-     )
-     (block $cleanup.20 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $7)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $8)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $9)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 643
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1126) (name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1126) (name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MRecord
+            ((immediate_desc (MImmConst (MConstI32 328294693)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1113)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((foo)
+              ((immediate_desc (MImmConst (MConstI32 4)))
+               (immediate_analyses ((last_usage Unknown)))))
+             ((bar)
+              ((immediate_desc (MImmConst (MConstI32 5)))
+               (immediate_analyses ((last_usage Unknown)))))
+             ((baz)
+              ((immediate_desc (MImmConst (MConstI32 6)))
+               (immediate_analyses ((last_usage Unknown)))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 Managed)
+        ((instr_desc
+          (MRecordOp (MRecordGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 5 Managed)
+        ((instr_desc
+          (MRecordOp (MRecordGet 1)
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 6 Managed)
+        ((instr_desc
+          (MRecordOp (MRecordGet 2)
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MLocalBind 3 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MLocalBind 2 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MLocalBind 1 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MCleanup
+      (((instr_desc
+         (MSwitch
+          ((immediate_desc (MImmConst (MConstI32 0)))
+           (immediate_analyses ((last_usage Unknown))))
+          ((0
+            (((instr_desc
+               (MStore
+                (((MLocalBind 7 Managed)
+                  ((instr_desc
+                    (MCallKnown (func +_1126)
+                     (closure
+                      ((immediate_desc
+                        (MIncRef
+                         ((immediate_desc
+                           (MImmBinding (MGlobalBind +_1126 Managed)))
+                          (immediate_analyses ((last_usage Unknown))))))
+                       (immediate_analyses ((last_usage Unknown)))))
+                     (func_type ((Managed Managed) (Managed)))
+                     (args
+                      (((immediate_desc
+                         (MIncRef
+                          ((immediate_desc
+                            (MImmBinding (MLocalBind 1 Managed)))
+                           (immediate_analyses ((last_usage Last))))))
+                        (immediate_analyses ((last_usage Unknown))))
+                       ((immediate_desc
+                         (MIncRef
+                          ((immediate_desc
+                            (MImmBinding (MLocalBind 2 Managed)))
+                           (immediate_analyses ((last_usage Last))))))
+                        (immediate_analyses ((last_usage Unknown))))))))))))))
+             ((instr_desc
+               (MCleanup ()
+                (((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))))))
+             ((instr_desc
+               (MReturnCallKnown (func +_1126)
+                (closure
+                 ((immediate_desc
+                   (MIncRef
+                    ((immediate_desc
+                      (MImmBinding (MGlobalBind +_1126 Managed)))
+                     (immediate_analyses ((last_usage Last))))))
+                  (immediate_analyses ((last_usage Unknown)))))
+                (func_type ((Managed Managed) (Managed)))
+                (args
+                 (((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+                   (immediate_analyses ((last_usage Last))))
+                  ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+                   (immediate_analyses ((last_usage Last))))))))))))
+          (((instr_desc
+             (MImmediate
+              ((immediate_desc MImmTrap)
+               (immediate_analyses ((last_usage Unknown))))))))
+          Managed))))
+      (((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 8) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1128) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/pattern_matching.64686134.0.snapshot b/compiler/test/__snapshots__/pattern_matching.64686134.0.snapshot
index 7d4ae7b59..bb3d2d698 100644
--- a/compiler/test/__snapshots__/pattern_matching.64686134.0.snapshot
+++ b/compiler/test/__snapshots__/pattern_matching.64686134.0.snapshot
@@ -1,335 +1,101 @@
 pattern matching › constant_match_1
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/equal.gr\" \"GRAIN$EXPORT$equal\" (global $GRAIN$EXPORT$equal_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/equal.gr\" \"equal\" (func $equal_0 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (block $compile_block.27 (result i32)
-   (block $compile_store.5
-    (local.set $6
-     (block $allocate_number.3 (result i32)
-      (i32.store
-       (local.tee $1
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 5)
-      )
-      (i32.store offset=4
-       (local.get $1)
-       (i32.const 3)
-      )
-      (i32.store offset=8
-       (local.get $1)
-       (block $allocate_number.1 (result i32)
-        (i32.store
-         (local.tee $0
-          (call $malloc_0
-           (global.get $GRAIN$EXPORT$malloc_0)
-           (i32.const 24)
-          )
-         )
-         (i32.const 5)
-        )
-        (i32.store offset=4
-         (local.get $0)
-         (i32.const 4)
-        )
-        (i32.store offset=8
-         (local.get $0)
-         (i32.const 1)
-        )
-        (i32.store offset=12
-         (local.get $0)
-         (i32.const 0)
-        )
-        (i64.store offset=16
-         (local.get $0)
-         (i64.const 1)
-        )
-        (local.get $0)
-       )
-      )
-      (i32.store offset=12
-       (local.get $1)
-       (block $allocate_number.2 (result i32)
-        (i32.store
-         (local.tee $0
-          (call $malloc_0
-           (global.get $GRAIN$EXPORT$malloc_0)
-           (i32.const 24)
-          )
-         )
-         (i32.const 5)
-        )
-        (i32.store offset=4
-         (local.get $0)
-         (i32.const 4)
-        )
-        (i32.store offset=8
-         (local.get $0)
-         (i32.const 1)
-        )
-        (i32.store offset=12
-         (local.get $0)
-         (i32.const 0)
-        )
-        (i64.store offset=16
-         (local.get $0)
-         (i64.const 3)
-        )
-        (local.get $0)
-       )
-      )
-      (local.get $1)
-     )
-    )
-    (block $do_backpatches.4
-    )
-   )
-   (block $compile_store.7
-    (local.set $8
-     (call $equal_0
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $GRAIN$EXPORT$equal_0)
-      )
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (local.get $6)
-      )
-      (i32.const 11)
-     )
-    )
-    (block $do_backpatches.6
-    )
-   )
-   (block $compile_store.20
-    (local.set $9
-     (if (result i32)
-      (i32.shr_u
-       (local.get $8)
-       (i32.const 31)
-      )
-      (block $compile_block.8 (result i32)
-       (i32.const 1)
-      )
-      (block $compile_block.18 (result i32)
-       (block $compile_store.13
-        (local.set $7
-         (block $allocate_number.11 (result i32)
-          (i32.store
-           (local.tee $1
-            (call $malloc_0
-             (global.get $GRAIN$EXPORT$malloc_0)
-             (i32.const 16)
-            )
-           )
-           (i32.const 5)
-          )
-          (i32.store offset=4
-           (local.get $1)
-           (i32.const 3)
-          )
-          (i32.store offset=8
-           (local.get $1)
-           (block $allocate_number.9 (result i32)
-            (i32.store
-             (local.tee $0
-              (call $malloc_0
-               (global.get $GRAIN$EXPORT$malloc_0)
-               (i32.const 24)
-              )
-             )
-             (i32.const 5)
-            )
-            (i32.store offset=4
-             (local.get $0)
-             (i32.const 4)
-            )
-            (i32.store offset=8
-             (local.get $0)
-             (i32.const 1)
-            )
-            (i32.store offset=12
-             (local.get $0)
-             (i32.const 0)
-            )
-            (i64.store offset=16
-             (local.get $0)
-             (i64.const 1)
-            )
-            (local.get $0)
-           )
-          )
-          (i32.store offset=12
-           (local.get $1)
-           (block $allocate_number.10 (result i32)
-            (i32.store
-             (local.tee $0
-              (call $malloc_0
-               (global.get $GRAIN$EXPORT$malloc_0)
-               (i32.const 24)
-              )
-             )
-             (i32.const 5)
-            )
-            (i32.store offset=4
-             (local.get $0)
-             (i32.const 4)
-            )
-            (i32.store offset=8
-             (local.get $0)
-             (i32.const 1)
-            )
-            (i32.store offset=12
-             (local.get $0)
-             (i32.const 0)
-            )
-            (i64.store offset=16
-             (local.get $0)
-             (i64.const 3)
-            )
-            (local.get $0)
-           )
-          )
-          (local.get $1)
-         )
-        )
-        (block $do_backpatches.12
-        )
-       )
-       (block $compile_store.15
-        (local.set $10
-         (call $equal_0
-          (call $incRef_0
-           (global.get $GRAIN$EXPORT$incRef_0)
-           (global.get $GRAIN$EXPORT$equal_0)
-          )
-          (call $incRef_0
-           (global.get $GRAIN$EXPORT$incRef_0)
-           (local.get $6)
-          )
-          (local.get $7)
-         )
-        )
-        (block $do_backpatches.14
-        )
-       )
-       (if (result i32)
-        (i32.shr_u
-         (local.get $10)
-         (i32.const 31)
-        )
-        (block $compile_block.16 (result i32)
-         (i32.const 3)
-        )
-        (block $compile_block.17 (result i32)
-         (i32.const 5)
-        )
-       )
-      )
-     )
-    )
-    (block $do_backpatches.19
-    )
-   )
-   (block $cleanup.21
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $6)
-     )
-    )
-   )
-   (block $switch.22_outer (result i32)
-    (block $switch.22_branch_0 (result i32)
-     (drop
-      (block $switch.22_branch_1 (result i32)
-       (drop
-        (block $switch.22_branch_2 (result i32)
-         (drop
-          (block $switch.22_branch_3 (result i32)
-           (drop
-            (block $switch.22_default (result i32)
-             (br_table $switch.22_branch_1 $switch.22_branch_2 $switch.22_branch_3 $switch.22_default $switch.22_default
-              (i32.const 0)
-              (i32.shr_s
-               (local.get $9)
-               (i32.const 1)
-              )
-             )
-            )
-           )
-           (br $switch.22_outer
-            (block $compile_block.26 (result i32)
-             (unreachable)
-            )
-           )
-          )
-         )
-         (br $switch.22_outer
-          (block $compile_block.25 (result i32)
-           (i32.const 2147483646)
-          )
-         )
-        )
-       )
-       (br $switch.22_outer
-        (block $compile_block.24 (result i32)
-         (i32.const -2)
-        )
-       )
-      )
-     )
-     (br $switch.22_outer
-      (block $compile_block.23 (result i32)
-       (i32.const 2147483646)
-      )
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MRational (numerator_flags ()) (numerator_limbs (1))
+            (denominator_flags ()) (denominator_limbs (3)))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MPrim2 Eq
+           ((immediate_desc
+             (MIncRef
+              ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+               (immediate_analyses ((last_usage Unknown))))))
+            (immediate_analyses ((last_usage Unknown))))
+           ((immediate_desc (MImmConst (MConstI32 5)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 (Unmanaged WasmI32))
+        ((instr_desc
+          (MIf
+           ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Last))))
+           (((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmConst (MConstI32 0)))
+                (immediate_analyses ((last_usage Unknown))))))))
+           (((instr_desc
+              (MStore
+               (((MLocalBind 1 Managed)
+                 ((instr_desc
+                   (MAllocate
+                    (MRational (numerator_flags ()) (numerator_limbs (1))
+                     (denominator_flags ()) (denominator_limbs (3)))))))))))
+            ((instr_desc
+              (MStore
+               (((MLocalBind 2 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MPrim2 Eq
+                    ((immediate_desc
+                      (MIncRef
+                       ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+                        (immediate_analyses ((last_usage Last))))))
+                     (immediate_analyses ((last_usage Unknown))))
+                    ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+                     (immediate_analyses ((last_usage Last))))))))))))
+            ((instr_desc
+              (MIf
+               ((immediate_desc
+                 (MImmBinding (MLocalBind 2 (Unmanaged WasmI32))))
+                (immediate_analyses ((last_usage Last))))
+               (((instr_desc
+                  (MImmediate
+                   ((immediate_desc (MImmConst (MConstI32 1)))
+                    (immediate_analyses ((last_usage Unknown))))))))
+               (((instr_desc
+                  (MImmediate
+                   ((immediate_desc (MImmConst (MConstI32 2)))
+                    (immediate_analyses ((last_usage Unknown))))))))))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MSwitch
+      ((immediate_desc (MImmBinding (MLocalBind 1 (Unmanaged WasmI32))))
+       (immediate_analyses ((last_usage Last))))
+      ((0
+        (((instr_desc
+           (MImmediate
+            ((immediate_desc
+              (MImmConst (MConstLiteral (MConstI32 2147483646))))
+             (immediate_analyses ((last_usage Unknown)))))))))
+       (1
+        (((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+             (immediate_analyses ((last_usage Unknown)))))))))
+       (2
+        (((instr_desc
+           (MImmediate
+            ((immediate_desc
+              (MImmConst (MConstLiteral (MConstI32 2147483646))))
+             (immediate_analyses ((last_usage Unknown))))))))))
+      (((instr_desc
+         (MImmediate
+          ((immediate_desc MImmTrap)
+           (immediate_analyses ((last_usage Unknown))))))))
+      (Unmanaged WasmI32))))))
+ (main_body_stack_size
+  ((stack_size_ptr 2) (stack_size_i32 3) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1120) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/pattern_matching.702ed9b0.0.snapshot b/compiler/test/__snapshots__/pattern_matching.702ed9b0.0.snapshot
index b1799f2bd..0fb80c77f 100644
--- a/compiler/test/__snapshots__/pattern_matching.702ed9b0.0.snapshot
+++ b/compiler/test/__snapshots__/pattern_matching.702ed9b0.0.snapshot
@@ -1,1346 +1,808 @@
 pattern matching › tuple_match_deep6
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1157 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1157 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (local $13 i32)
-  (local $14 i32)
-  (local $15 i32)
-  (local $16 i32)
-  (local $17 i32)
-  (local $18 i32)
-  (local $19 i32)
-  (local $20 i32)
-  (local $21 i32)
-  (local $22 i32)
-  (local $23 i32)
-  (local $24 i32)
-  (local $25 i32)
-  (local $26 i32)
-  (local $27 i32)
-  (local $28 i32)
-  (local $29 i32)
-  (local $30 i32)
-  (local $31 i32)
-  (local $32 i32)
-  (local $33 i32)
-  (local $34 i32)
-  (local $35 i32)
-  (local $36 i32)
-  (local $37 i32)
-  (local $38 i32)
-  (local $39 i32)
-  (local $40 i32)
-  (local $41 i32)
-  (local $42 i32)
-  (local $43 i32)
-  (block $compile_block.123 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_adt.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_adt.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 13)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $6)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.9
-    (local.set $8
-     (block $allocate_adt.7 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $7)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $compile_store.12
-    (local.set $9
-     (block $allocate_adt.10 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 9)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $8)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.11
-    )
-   )
-   (block $compile_store.15
-    (local.set $10
-     (block $allocate_tuple.13 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (local.get $9)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.14
-    )
-   )
-   (block $compile_store.17
-    (local.set $11
-     (i32.const 0)
-    )
-    (block $do_backpatches.16
-    )
-   )
-   (block $compile_store.19
-    (local.set $12
-     (i32.const 0)
-    )
-    (block $do_backpatches.18
-    )
-   )
-   (block $compile_store.21
-    (local.set $13
-     (i32.const 0)
-    )
-    (block $do_backpatches.20
-    )
-   )
-   (block $compile_store.23
-    (local.set $14
-     (i32.const 0)
-    )
-    (block $do_backpatches.22
-    )
-   )
-   (block $compile_store.25
-    (local.set $15
-     (i32.const 0)
-    )
-    (block $do_backpatches.24
-    )
-   )
-   (block $compile_store.27
-    (local.set $16
-     (i32.const 0)
-    )
-    (block $do_backpatches.26
-    )
-   )
-   (block $compile_store.29
-    (local.set $17
-     (i32.const 0)
-    )
-    (block $do_backpatches.28
-    )
-   )
-   (block $compile_store.31
-    (local.set $18
-     (i32.const 0)
-    )
-    (block $do_backpatches.30
-    )
-   )
-   (block $compile_store.33
-    (local.set $19
-     (i32.const 0)
-    )
-    (block $do_backpatches.32
-    )
-   )
-   (block $compile_store.35
-    (local.set $20
-     (i32.const 0)
-    )
-    (block $do_backpatches.34
-    )
-   )
-   (block $compile_store.37
-    (local.set $21
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (local.get $10)
-      )
-     )
-    )
-    (block $do_backpatches.36
-    )
-   )
-   (block $compile_store.39
-    (local.set $22
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=12
-       (local.get $10)
-      )
-     )
-    )
-    (block $do_backpatches.38
-    )
-   )
-   (block $cleanup.40
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $10)
-     )
-    )
-   )
-   (block $compile_store.42
-    (local.set $32
-     (i32.load offset=12
-      (local.get $22)
-     )
-    )
-    (block $do_backpatches.41
-    )
-   )
-   (block $compile_store.44
-    (local.set $33
-     (i32.or
-      (i32.shl
-       (i32.eq
-        (local.get $32)
-        (i32.const 1)
-       )
-       (i32.const 31)
-      )
-      (i32.const 2147483646)
-     )
-    )
-    (block $do_backpatches.43
-    )
-   )
-   (block $compile_store.104
-    (local.set $34
-     (if (result i32)
-      (i32.shr_u
-       (local.get $33)
-       (i32.const 31)
-      )
-      (block $compile_block.96 (result i32)
-       (block $compile_store.46
-        (local.set $23
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (i32.load offset=20
-           (local.get $22)
-          )
-         )
-        )
-        (block $do_backpatches.45
-        )
-       )
-       (block $compile_store.48
-        (local.set $24
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (i32.load offset=24
-           (local.get $22)
-          )
-         )
-        )
-        (block $do_backpatches.47
-        )
-       )
-       (block $compile_store.50
-        (local.set $36
-         (i32.load offset=12
-          (local.get $24)
-         )
-        )
-        (block $do_backpatches.49
-        )
-       )
-       (block $compile_store.52
-        (local.set $37
-         (i32.or
-          (i32.shl
-           (i32.eq
-            (local.get $36)
-            (i32.const 1)
-           )
-           (i32.const 31)
-          )
-          (i32.const 2147483646)
-         )
-        )
-        (block $do_backpatches.51
-        )
-       )
-       (tuple.extract 0
-        (tuple.make
-         (if (result i32)
-          (i32.shr_u
-           (local.get $37)
-           (i32.const 31)
-          )
-          (block $compile_block.88 (result i32)
-           (block $compile_store.55
-            (local.set $25
-             (call $incRef_0
-              (global.get $GRAIN$EXPORT$incRef_0)
-              (i32.load offset=20
-               (local.get $24)
-              )
-             )
-            )
-            (block $do_backpatches.54
-            )
-           )
-           (block $compile_store.57
-            (local.set $26
-             (call $incRef_0
-              (global.get $GRAIN$EXPORT$incRef_0)
-              (i32.load offset=24
-               (local.get $24)
-              )
-             )
-            )
-            (block $do_backpatches.56
-            )
-           )
-           (block $compile_store.59
-            (local.set $39
-             (i32.load offset=12
-              (local.get $26)
-             )
-            )
-            (block $do_backpatches.58
-            )
-           )
-           (block $compile_store.61
-            (local.set $40
-             (i32.or
-              (i32.shl
-               (i32.eq
-                (local.get $39)
-                (i32.const 1)
-               )
-               (i32.const 31)
-              )
-              (i32.const 2147483646)
-             )
-            )
-            (block $do_backpatches.60
-            )
-           )
-           (tuple.extract 0
-            (tuple.make
-             (if (result i32)
-              (i32.shr_u
-               (local.get $40)
-               (i32.const 31)
-              )
-              (block $compile_block.79 (result i32)
-               (block $compile_store.64
-                (local.set $27
-                 (call $incRef_0
-                  (global.get $GRAIN$EXPORT$incRef_0)
-                  (i32.load offset=20
-                   (local.get $26)
-                  )
-                 )
-                )
-                (block $do_backpatches.63
-                )
-               )
-               (block $compile_store.66
-                (local.set $28
-                 (call $incRef_0
-                  (global.get $GRAIN$EXPORT$incRef_0)
-                  (i32.load offset=24
-                   (local.get $26)
-                  )
-                 )
-                )
-                (block $do_backpatches.65
-                )
-               )
-               (block $compile_store.68
-                (local.set $42
-                 (i32.load offset=12
-                  (local.get $28)
-                 )
-                )
-                (block $do_backpatches.67
-                )
-               )
-               (block $cleanup.69
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $28)
-                 )
-                )
-               )
-               (block $compile_store.71
-                (local.set $43
-                 (i32.or
-                  (i32.shl
-                   (i32.eq
-                    (local.get $42)
-                    (i32.const 3)
-                   )
-                   (i32.const 31)
-                  )
-                  (i32.const 2147483646)
-                 )
-                )
-                (block $do_backpatches.70
-                )
-               )
-               (tuple.extract 0
-                (tuple.make
-                 (if (result i32)
-                  (i32.shr_u
-                   (local.get $43)
-                   (i32.const 31)
-                  )
-                  (block $compile_block.77 (result i32)
-                   (drop
-                    (block $compile_set.73 (result i32)
-                     (local.set $17
-                      (tuple.extract 0
-                       (tuple.make
-                        (call $incRef_0
-                         (global.get $GRAIN$EXPORT$incRef_0)
-                         (call $incRef_0
-                          (global.get $GRAIN$EXPORT$incRef_0)
-                          (local.get $21)
-                         )
-                        )
-                        (call $decRef_0
-                         (global.get $GRAIN$EXPORT$decRef_0)
-                         (local.get $17)
-                        )
-                       )
-                      )
-                     )
-                     (i32.const 1879048190)
-                    )
-                   )
-                   (drop
-                    (block $compile_set.74 (result i32)
-                     (local.set $18
-                      (tuple.extract 0
-                       (tuple.make
-                        (call $incRef_0
-                         (global.get $GRAIN$EXPORT$incRef_0)
-                         (call $incRef_0
-                          (global.get $GRAIN$EXPORT$incRef_0)
-                          (local.get $23)
-                         )
-                        )
-                        (call $decRef_0
-                         (global.get $GRAIN$EXPORT$decRef_0)
-                         (local.get $18)
-                        )
-                       )
-                      )
-                     )
-                     (i32.const 1879048190)
-                    )
-                   )
-                   (drop
-                    (block $compile_set.75 (result i32)
-                     (local.set $19
-                      (tuple.extract 0
-                       (tuple.make
-                        (call $incRef_0
-                         (global.get $GRAIN$EXPORT$incRef_0)
-                         (call $incRef_0
-                          (global.get $GRAIN$EXPORT$incRef_0)
-                          (local.get $25)
-                         )
-                        )
-                        (call $decRef_0
-                         (global.get $GRAIN$EXPORT$decRef_0)
-                         (local.get $19)
-                        )
-                       )
-                      )
-                     )
-                     (i32.const 1879048190)
-                    )
-                   )
-                   (drop
-                    (block $compile_set.76 (result i32)
-                     (local.set $20
-                      (tuple.extract 0
-                       (tuple.make
-                        (call $incRef_0
-                         (global.get $GRAIN$EXPORT$incRef_0)
-                         (call $incRef_0
-                          (global.get $GRAIN$EXPORT$incRef_0)
-                          (local.get $27)
-                         )
-                        )
-                        (call $decRef_0
-                         (global.get $GRAIN$EXPORT$decRef_0)
-                         (local.get $20)
-                        )
-                       )
-                      )
-                     )
-                     (i32.const 1879048190)
-                    )
-                   )
-                   (i32.const 7)
-                  )
-                  (block $compile_block.78 (result i32)
-                   (i32.const 9)
-                  )
-                 )
-                 (block $cleanup.72 (result i32)
-                  (drop
-                   (call $decRef_0
-                    (global.get $GRAIN$EXPORT$decRef_0)
-                    (local.get $27)
-                   )
-                  )
-                  (i32.const 1879048190)
-                 )
-                )
-               )
-              )
-              (block $compile_block.87 (result i32)
-               (block $compile_store.81
-                (local.set $41
-                 (i32.or
-                  (i32.shl
-                   (i32.eq
-                    (local.get $39)
-                    (i32.const 3)
-                   )
-                   (i32.const 31)
-                  )
-                  (i32.const 2147483646)
-                 )
-                )
-                (block $do_backpatches.80
-                )
-               )
-               (if (result i32)
-                (i32.shr_u
-                 (local.get $41)
-                 (i32.const 31)
-                )
-                (block $compile_block.85 (result i32)
-                 (drop
-                  (block $compile_set.82 (result i32)
-                   (local.set $14
-                    (tuple.extract 0
-                     (tuple.make
-                      (call $incRef_0
-                       (global.get $GRAIN$EXPORT$incRef_0)
-                       (call $incRef_0
-                        (global.get $GRAIN$EXPORT$incRef_0)
-                        (local.get $21)
-                       )
-                      )
-                      (call $decRef_0
-                       (global.get $GRAIN$EXPORT$decRef_0)
-                       (local.get $14)
-                      )
-                     )
-                    )
-                   )
-                   (i32.const 1879048190)
-                  )
-                 )
-                 (drop
-                  (block $compile_set.83 (result i32)
-                   (local.set $15
-                    (tuple.extract 0
-                     (tuple.make
-                      (call $incRef_0
-                       (global.get $GRAIN$EXPORT$incRef_0)
-                       (call $incRef_0
-                        (global.get $GRAIN$EXPORT$incRef_0)
-                        (local.get $23)
-                       )
-                      )
-                      (call $decRef_0
-                       (global.get $GRAIN$EXPORT$decRef_0)
-                       (local.get $15)
-                      )
-                     )
-                    )
-                   )
-                   (i32.const 1879048190)
-                  )
-                 )
-                 (drop
-                  (block $compile_set.84 (result i32)
-                   (local.set $16
-                    (tuple.extract 0
-                     (tuple.make
-                      (call $incRef_0
-                       (global.get $GRAIN$EXPORT$incRef_0)
-                       (call $incRef_0
-                        (global.get $GRAIN$EXPORT$incRef_0)
-                        (local.get $25)
-                       )
-                      )
-                      (call $decRef_0
-                       (global.get $GRAIN$EXPORT$decRef_0)
-                       (local.get $16)
-                      )
-                     )
-                    )
-                   )
-                   (i32.const 1879048190)
-                  )
-                 )
-                 (i32.const 5)
-                )
-                (block $compile_block.86 (result i32)
-                 (i32.const 9)
-                )
-               )
-              )
-             )
-             (block $cleanup.62 (result i32)
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $25)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $26)
-               )
-              )
-              (i32.const 1879048190)
-             )
-            )
-           )
-          )
-          (block $compile_block.95 (result i32)
-           (block $compile_store.90
-            (local.set $38
-             (i32.or
-              (i32.shl
-               (i32.eq
-                (local.get $36)
-                (i32.const 3)
-               )
-               (i32.const 31)
-              )
-              (i32.const 2147483646)
-             )
-            )
-            (block $do_backpatches.89
-            )
-           )
-           (if (result i32)
-            (i32.shr_u
-             (local.get $38)
-             (i32.const 31)
-            )
-            (block $compile_block.93 (result i32)
-             (drop
-              (block $compile_set.91 (result i32)
-               (local.set $12
-                (tuple.extract 0
-                 (tuple.make
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (call $incRef_0
-                    (global.get $GRAIN$EXPORT$incRef_0)
-                    (local.get $21)
-                   )
-                  )
-                  (call $decRef_0
-                   (global.get $GRAIN$EXPORT$decRef_0)
-                   (local.get $12)
-                  )
-                 )
-                )
-               )
-               (i32.const 1879048190)
-              )
-             )
-             (drop
-              (block $compile_set.92 (result i32)
-               (local.set $13
-                (tuple.extract 0
-                 (tuple.make
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (call $incRef_0
-                    (global.get $GRAIN$EXPORT$incRef_0)
-                    (local.get $23)
-                   )
-                  )
-                  (call $decRef_0
-                   (global.get $GRAIN$EXPORT$decRef_0)
-                   (local.get $13)
-                  )
-                 )
-                )
-               )
-               (i32.const 1879048190)
-              )
-             )
-             (i32.const 3)
-            )
-            (block $compile_block.94 (result i32)
-             (i32.const 9)
-            )
-           )
-          )
-         )
-         (block $cleanup.53 (result i32)
-          (drop
-           (call $decRef_0
-            (global.get $GRAIN$EXPORT$decRef_0)
-            (local.get $23)
-           )
-          )
-          (drop
-           (call $decRef_0
-            (global.get $GRAIN$EXPORT$decRef_0)
-            (local.get $24)
-           )
-          )
-          (i32.const 1879048190)
-         )
-        )
-       )
-      )
-      (block $compile_block.102 (result i32)
-       (block $compile_store.98
-        (local.set $35
-         (i32.or
-          (i32.shl
-           (i32.eq
-            (local.get $32)
-            (i32.const 3)
-           )
-           (i32.const 31)
-          )
-          (i32.const 2147483646)
-         )
-        )
-        (block $do_backpatches.97
-        )
-       )
-       (if (result i32)
-        (i32.shr_u
-         (local.get $35)
-         (i32.const 31)
-        )
-        (block $compile_block.100 (result i32)
-         (drop
-          (block $compile_set.99 (result i32)
-           (local.set $11
-            (tuple.extract 0
-             (tuple.make
-              (call $incRef_0
-               (global.get $GRAIN$EXPORT$incRef_0)
-               (call $incRef_0
-                (global.get $GRAIN$EXPORT$incRef_0)
-                (local.get $21)
-               )
-              )
-              (call $decRef_0
-               (global.get $GRAIN$EXPORT$decRef_0)
-               (local.get $11)
-              )
-             )
-            )
-           )
-           (i32.const 1879048190)
-          )
-         )
-         (i32.const 1)
-        )
-        (block $compile_block.101
-         (unreachable)
-        )
-       )
-      )
-     )
-    )
-    (block $do_backpatches.103
-    )
-   )
-   (block $cleanup.105
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $21)
-     )
-    )
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $22)
-     )
-    )
-   )
-   (tuple.extract 0
-    (tuple.make
-     (block $switch.107_outer (result i32)
-      (block $switch.107_branch_0 (result i32)
-       (drop
-        (block $switch.107_branch_1 (result i32)
-         (drop
-          (block $switch.107_branch_2 (result i32)
-           (drop
-            (block $switch.107_branch_3 (result i32)
-             (drop
-              (block $switch.107_branch_4 (result i32)
-               (drop
-                (block $switch.107_branch_5 (result i32)
-                 (drop
-                  (block $switch.107_default (result i32)
-                   (br_table $switch.107_branch_1 $switch.107_branch_2 $switch.107_branch_3 $switch.107_branch_4 $switch.107_branch_5 $switch.107_default $switch.107_default
-                    (i32.const 0)
-                    (i32.shr_s
-                     (local.get $34)
-                     (i32.const 1)
-                    )
-                   )
-                  )
-                 )
-                 (br $switch.107_outer
-                  (block $compile_block.122 (result i32)
-                   (unreachable)
-                  )
-                 )
-                )
-               )
-               (br $switch.107_outer
-                (block $compile_block.121 (result i32)
-                 (i32.const 1999)
-                )
-               )
-              )
-             )
-             (br $switch.107_outer
-              (block $compile_block.120
-               (block $compile_store.116
-                (local.set $30
-                 (call $+_1157
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (global.get $+_1157)
-                  )
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (local.get $17)
-                  )
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (local.get $18)
-                  )
-                 )
-                )
-                (block $do_backpatches.115
-                )
-               )
-               (block $compile_store.118
-                (local.set $31
-                 (call $+_1157
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (global.get $+_1157)
-                  )
-                  (local.get $30)
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (local.get $19)
-                  )
-                 )
-                )
-                (block $do_backpatches.117
-                )
-               )
-               (block $cleanup.119
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $11)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $12)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $13)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $14)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $15)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $16)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $17)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $18)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $19)
-                 )
-                )
-               )
-               (return_call $+_1157
-                (call $incRef_0
-                 (global.get $GRAIN$EXPORT$incRef_0)
-                 (global.get $+_1157)
-                )
-                (local.get $31)
-                (local.get $20)
-               )
-              )
-             )
-            )
-           )
-           (br $switch.107_outer
-            (block $compile_block.114
-             (block $compile_store.112
-              (local.set $29
-               (call $+_1157
-                (call $incRef_0
-                 (global.get $GRAIN$EXPORT$incRef_0)
-                 (global.get $+_1157)
-                )
-                (call $incRef_0
-                 (global.get $GRAIN$EXPORT$incRef_0)
-                 (local.get $14)
-                )
-                (call $incRef_0
-                 (global.get $GRAIN$EXPORT$incRef_0)
-                 (local.get $15)
-                )
-               )
-              )
-              (block $do_backpatches.111
-              )
-             )
-             (block $cleanup.113
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $11)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $12)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $13)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $14)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $15)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $17)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $18)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $19)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $20)
-               )
-              )
-             )
-             (return_call $+_1157
-              (call $incRef_0
-               (global.get $GRAIN$EXPORT$incRef_0)
-               (global.get $+_1157)
-              )
-              (local.get $29)
-              (local.get $16)
-             )
-            )
-           )
-          )
-         )
-         (br $switch.107_outer
-          (block $compile_block.110
-           (block $cleanup.109
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $11)
-             )
-            )
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $14)
-             )
-            )
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $15)
-             )
-            )
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $16)
-             )
-            )
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $17)
-             )
-            )
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $18)
-             )
-            )
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $19)
-             )
-            )
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $20)
-             )
-            )
-           )
-           (return_call $+_1157
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (global.get $+_1157)
-            )
-            (local.get $12)
-            (local.get $13)
-           )
-          )
-         )
-        )
-       )
-       (br $switch.107_outer
-        (block $compile_block.108 (result i32)
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (local.get $11)
-         )
-        )
-       )
-      )
-     )
-     (block $cleanup.106 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $11)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $12)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $13)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $14)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $15)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $16)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $17)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $18)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $19)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $20)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1157) (name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1157) (name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 6)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 5)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 4)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 5 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 6 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 7 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 8 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 9 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 10 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 11 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 12 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 13 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 14 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 15 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 16 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 1)
+           ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MAdtOp MAdtGetTag
+           ((immediate_desc (MImmBinding (MLocalBind 16 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 (Unmanaged WasmI32))
+        ((instr_desc
+          (MPrim2 Is
+           ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Unknown))))
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+                            (immediate_analyses ((last_usage Unknown))))))))))))))))
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+                   ((instr_desc
+                     (MSet (MLocalBind 5 Managed)
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+                        (MImmediate
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+                            ((immediate_desc
+                              (MImmBinding (MLocalBind 15 Managed)))
+                             (immediate_analyses ((last_usage Last))))))
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+                  (MImmediate
+                   ((immediate_desc (MImmConst (MConstI32 0)))
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+                  (MImmediate
+                   ((immediate_desc MImmTrap)
+                    (immediate_analyses ((last_usage Unknown))))))))))))))))))))
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+     (MCleanup ()
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+        (immediate_analyses ((last_usage Unknown))))
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+               (MReturnCallKnown (func +_1157)
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+                     (immediate_analyses ((last_usage TailCallLast))))))
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+                          ((immediate_desc
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+                (((immediate_desc (MImmBinding (MLocalBind 14 Managed)))
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+               (MReturnCallKnown (func +_1157)
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+                 ((immediate_desc
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+                      (MImmBinding (MGlobalBind +_1157 Managed)))
+                     (immediate_analyses ((last_usage TailCallLast))))))
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+                          (immediate_analyses ((last_usage Unknown))))))
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+                     (func_type ((Managed Managed) (Managed)))
+                     (args
+                      (((immediate_desc
+                         (MIncRef
+                          ((immediate_desc
+                            (MImmBinding (MLocalBind 11 Managed)))
+                           (immediate_analyses ((last_usage Last))))))
+                        (immediate_analyses ((last_usage Unknown))))
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+                            (MImmBinding (MLocalBind 12 Managed)))
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+                      (((immediate_desc
+                         (MImmBinding (MLocalBind 24 Managed)))
+                        (immediate_analyses ((last_usage Last))))
+                       ((immediate_desc
+                         (MIncRef
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+                           (immediate_analyses ((last_usage Last))))))
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+             (MImmediate
+              ((immediate_desc MImmTrap)
+               (immediate_analyses ((last_usage Unknown))))))))
+          Managed))))
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+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 26) (stack_size_i32 12) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1162) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/pattern_matching.7082d3ca.0.snapshot b/compiler/test/__snapshots__/pattern_matching.7082d3ca.0.snapshot
index 2d56c895d..52198872c 100644
--- a/compiler/test/__snapshots__/pattern_matching.7082d3ca.0.snapshot
+++ b/compiler/test/__snapshots__/pattern_matching.7082d3ca.0.snapshot
@@ -1,301 +1,127 @@
 pattern matching › tuple_match_3
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (local $13 i32)
-  (block $compile_block.28 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_string.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 4)
-      )
-      (i64.store offset=8
-       (local.get $0)
-       (i64.const 1886351202)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_tuple.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (local.get $6)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2147483646)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.8
-    (local.set $8
-     (i32.const 0)
-    )
-    (block $do_backpatches.7
-    )
-   )
-   (block $compile_store.10
-    (local.set $9
-     (i32.const 0)
-    )
-    (block $do_backpatches.9
-    )
-   )
-   (block $compile_store.12
-    (local.set $13
-     (i32.const 0)
-    )
-    (block $do_backpatches.11
-    )
-   )
-   (block $compile_store.14
-    (local.set $10
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (local.get $7)
-      )
-     )
-    )
-    (block $do_backpatches.13
-    )
-   )
-   (block $compile_store.16
-    (local.set $11
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=12
-       (local.get $7)
-      )
-     )
-    )
-    (block $do_backpatches.15
-    )
-   )
-   (block $compile_store.18
-    (local.set $12
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=16
-       (local.get $7)
-      )
-     )
-    )
-    (block $do_backpatches.17
-    )
-   )
-   (block $cleanup.19
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $7)
-     )
-    )
-   )
-   (drop
-    (block $compile_set.20 (result i32)
-     (local.set $13
-      (local.get $12)
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.21 (result i32)
-     (local.set $9
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $11)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $9)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.22 (result i32)
-     (local.set $8
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $10)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $8)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (tuple.extract 0
-    (tuple.make
-     (block $switch.24_outer (result i32)
-      (block $switch.24_branch_0 (result i32)
-       (drop
-        (block $switch.24_branch_1 (result i32)
-         (drop
-          (block $switch.24_default (result i32)
-           (br_table $switch.24_branch_1 $switch.24_default $switch.24_default
-            (i32.const 0)
-            (i32.shr_s
-             (i32.const 1)
-             (i32.const 1)
-            )
-           )
-          )
-         )
-         (br $switch.24_outer
-          (block $compile_block.27 (result i32)
-           (unreachable)
-          )
-         )
-        )
-       )
-       (br $switch.24_outer
-        (block $compile_block.26 (result i32)
-         (block $allocate_tuple.25 (result i32)
-          (i32.store
-           (local.tee $0
-            (call $malloc_0
-             (global.get $GRAIN$EXPORT$malloc_0)
-             (i32.const 20)
-            )
-           )
-           (i32.const 7)
-          )
-          (i32.store offset=4
-           (local.get $0)
-           (i32.const 3)
-          )
-          (i32.store offset=8
-           (local.get $0)
-           (call $incRef_0
-            (global.get $GRAIN$EXPORT$incRef_0)
-            (local.get $8)
-           )
-          )
-          (i32.store offset=12
-           (local.get $0)
-           (call $incRef_0
-            (global.get $GRAIN$EXPORT$incRef_0)
-            (local.get $9)
-           )
-          )
-          (i32.store offset=16
-           (local.get $0)
-           (local.get $13)
-          )
-          (local.get $0)
-         )
-        )
-       )
-      )
-     )
-     (block $cleanup.23 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $8)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $9)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed) ((instr_desc (MAllocate (MString boop)))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))
+             ((immediate_desc
+               (MImmConst (MConstLiteral (MConstI32 2147483646))))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 5 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 1)
+           ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 6 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 2)
+           ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MLocalBind 0 (Unmanaged WasmI32))
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MLocalBind 3 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MLocalBind 2 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MCleanup
+      (((instr_desc
+         (MSwitch
+          ((immediate_desc (MImmConst (MConstI32 0)))
+           (immediate_analyses ((last_usage Unknown))))
+          ((0
+            (((instr_desc
+               (MAllocate
+                (MTuple
+                 (((immediate_desc
+                    (MIncRef
+                     ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+                      (immediate_analyses ((last_usage Last))))))
+                   (immediate_analyses ((last_usage Unknown))))
+                  ((immediate_desc
+                    (MIncRef
+                     ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+                      (immediate_analyses ((last_usage Last))))))
+                   (immediate_analyses ((last_usage Unknown))))
+                  ((immediate_desc
+                    (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+                   (immediate_analyses ((last_usage Last))))))))))))
+          (((instr_desc
+             (MImmediate
+              ((immediate_desc MImmTrap)
+               (immediate_analyses ((last_usage Unknown))))))))
+          Managed))))
+      (((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 7) (stack_size_i32 1) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1124) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/pattern_matching.79346fef.0.snapshot b/compiler/test/__snapshots__/pattern_matching.79346fef.0.snapshot
index 1bce284be..640b3c89e 100644
--- a/compiler/test/__snapshots__/pattern_matching.79346fef.0.snapshot
+++ b/compiler/test/__snapshots__/pattern_matching.79346fef.0.snapshot
@@ -1,1217 +1,760 @@
 pattern matching › tuple_match_deep3
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1151 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1151 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (local $13 i32)
-  (local $14 i32)
-  (local $15 i32)
-  (local $16 i32)
-  (local $17 i32)
-  (local $18 i32)
-  (local $19 i32)
-  (local $20 i32)
-  (local $21 i32)
-  (local $22 i32)
-  (local $23 i32)
-  (local $24 i32)
-  (local $25 i32)
-  (local $26 i32)
-  (local $27 i32)
-  (local $28 i32)
-  (local $29 i32)
-  (local $30 i32)
-  (local $31 i32)
-  (local $32 i32)
-  (local $33 i32)
-  (local $34 i32)
-  (local $35 i32)
-  (local $36 i32)
-  (local $37 i32)
-  (local $38 i32)
-  (local $39 i32)
-  (local $40 i32)
-  (block $compile_block.114 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_adt.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_tuple.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (local.get $6)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.8
-    (local.set $8
-     (i32.const 0)
-    )
-    (block $do_backpatches.7
-    )
-   )
-   (block $compile_store.10
-    (local.set $9
-     (i32.const 0)
-    )
-    (block $do_backpatches.9
-    )
-   )
-   (block $compile_store.12
-    (local.set $10
-     (i32.const 0)
-    )
-    (block $do_backpatches.11
-    )
-   )
-   (block $compile_store.14
-    (local.set $11
-     (i32.const 0)
-    )
-    (block $do_backpatches.13
-    )
-   )
-   (block $compile_store.16
-    (local.set $12
-     (i32.const 0)
-    )
-    (block $do_backpatches.15
-    )
-   )
-   (block $compile_store.18
-    (local.set $13
-     (i32.const 0)
-    )
-    (block $do_backpatches.17
-    )
-   )
-   (block $compile_store.20
-    (local.set $14
-     (i32.const 0)
-    )
-    (block $do_backpatches.19
-    )
-   )
-   (block $compile_store.22
-    (local.set $15
-     (i32.const 0)
-    )
-    (block $do_backpatches.21
-    )
-   )
-   (block $compile_store.24
-    (local.set $16
-     (i32.const 0)
-    )
-    (block $do_backpatches.23
-    )
-   )
-   (block $compile_store.26
-    (local.set $17
-     (i32.const 0)
-    )
-    (block $do_backpatches.25
-    )
-   )
-   (block $compile_store.28
-    (local.set $18
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (local.get $7)
-      )
-     )
-    )
-    (block $do_backpatches.27
-    )
-   )
-   (block $compile_store.30
-    (local.set $19
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=12
-       (local.get $7)
-      )
-     )
-    )
-    (block $do_backpatches.29
-    )
-   )
-   (block $cleanup.31
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $7)
-     )
-    )
-   )
-   (block $compile_store.33
-    (local.set $29
-     (i32.load offset=12
-      (local.get $19)
-     )
-    )
-    (block $do_backpatches.32
-    )
-   )
-   (block $compile_store.35
-    (local.set $30
-     (i32.or
-      (i32.shl
-       (i32.eq
-        (local.get $29)
-        (i32.const 1)
-       )
-       (i32.const 31)
-      )
-      (i32.const 2147483646)
-     )
-    )
-    (block $do_backpatches.34
-    )
-   )
-   (block $compile_store.95
-    (local.set $31
-     (if (result i32)
-      (i32.shr_u
-       (local.get $30)
-       (i32.const 31)
-      )
-      (block $compile_block.87 (result i32)
-       (block $compile_store.37
-        (local.set $20
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (i32.load offset=20
-           (local.get $19)
-          )
-         )
-        )
-        (block $do_backpatches.36
-        )
-       )
-       (block $compile_store.39
-        (local.set $21
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (i32.load offset=24
-           (local.get $19)
-          )
-         )
-        )
-        (block $do_backpatches.38
-        )
-       )
-       (block $compile_store.41
-        (local.set $33
-         (i32.load offset=12
-          (local.get $21)
-         )
-        )
-        (block $do_backpatches.40
-        )
-       )
-       (block $compile_store.43
-        (local.set $34
-         (i32.or
-          (i32.shl
-           (i32.eq
-            (local.get $33)
-            (i32.const 1)
-           )
-           (i32.const 31)
-          )
-          (i32.const 2147483646)
-         )
-        )
-        (block $do_backpatches.42
-        )
-       )
-       (tuple.extract 0
-        (tuple.make
-         (if (result i32)
-          (i32.shr_u
-           (local.get $34)
-           (i32.const 31)
-          )
-          (block $compile_block.79 (result i32)
-           (block $compile_store.46
-            (local.set $22
-             (call $incRef_0
-              (global.get $GRAIN$EXPORT$incRef_0)
-              (i32.load offset=20
-               (local.get $21)
-              )
-             )
-            )
-            (block $do_backpatches.45
-            )
-           )
-           (block $compile_store.48
-            (local.set $23
-             (call $incRef_0
-              (global.get $GRAIN$EXPORT$incRef_0)
-              (i32.load offset=24
-               (local.get $21)
-              )
-             )
-            )
-            (block $do_backpatches.47
-            )
-           )
-           (block $compile_store.50
-            (local.set $36
-             (i32.load offset=12
-              (local.get $23)
-             )
-            )
-            (block $do_backpatches.49
-            )
-           )
-           (block $compile_store.52
-            (local.set $37
-             (i32.or
-              (i32.shl
-               (i32.eq
-                (local.get $36)
-                (i32.const 1)
-               )
-               (i32.const 31)
-              )
-              (i32.const 2147483646)
-             )
-            )
-            (block $do_backpatches.51
-            )
-           )
-           (tuple.extract 0
-            (tuple.make
-             (if (result i32)
-              (i32.shr_u
-               (local.get $37)
-               (i32.const 31)
-              )
-              (block $compile_block.70 (result i32)
-               (block $compile_store.55
-                (local.set $24
-                 (call $incRef_0
-                  (global.get $GRAIN$EXPORT$incRef_0)
-                  (i32.load offset=20
-                   (local.get $23)
-                  )
-                 )
-                )
-                (block $do_backpatches.54
-                )
-               )
-               (block $compile_store.57
-                (local.set $25
-                 (call $incRef_0
-                  (global.get $GRAIN$EXPORT$incRef_0)
-                  (i32.load offset=24
-                   (local.get $23)
-                  )
-                 )
-                )
-                (block $do_backpatches.56
-                )
-               )
-               (block $compile_store.59
-                (local.set $39
-                 (i32.load offset=12
-                  (local.get $25)
-                 )
-                )
-                (block $do_backpatches.58
-                )
-               )
-               (block $cleanup.60
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $25)
-                 )
-                )
-               )
-               (block $compile_store.62
-                (local.set $40
-                 (i32.or
-                  (i32.shl
-                   (i32.eq
-                    (local.get $39)
-                    (i32.const 3)
-                   )
-                   (i32.const 31)
-                  )
-                  (i32.const 2147483646)
-                 )
-                )
-                (block $do_backpatches.61
-                )
-               )
-               (tuple.extract 0
-                (tuple.make
-                 (if (result i32)
-                  (i32.shr_u
-                   (local.get $40)
-                   (i32.const 31)
-                  )
-                  (block $compile_block.68 (result i32)
-                   (drop
-                    (block $compile_set.64 (result i32)
-                     (local.set $14
-                      (tuple.extract 0
-                       (tuple.make
-                        (call $incRef_0
-                         (global.get $GRAIN$EXPORT$incRef_0)
-                         (call $incRef_0
-                          (global.get $GRAIN$EXPORT$incRef_0)
-                          (local.get $18)
-                         )
-                        )
-                        (call $decRef_0
-                         (global.get $GRAIN$EXPORT$decRef_0)
-                         (local.get $14)
-                        )
-                       )
-                      )
-                     )
-                     (i32.const 1879048190)
-                    )
-                   )
-                   (drop
-                    (block $compile_set.65 (result i32)
-                     (local.set $15
-                      (tuple.extract 0
-                       (tuple.make
-                        (call $incRef_0
-                         (global.get $GRAIN$EXPORT$incRef_0)
-                         (call $incRef_0
-                          (global.get $GRAIN$EXPORT$incRef_0)
-                          (local.get $20)
-                         )
-                        )
-                        (call $decRef_0
-                         (global.get $GRAIN$EXPORT$decRef_0)
-                         (local.get $15)
-                        )
-                       )
-                      )
-                     )
-                     (i32.const 1879048190)
-                    )
-                   )
-                   (drop
-                    (block $compile_set.66 (result i32)
-                     (local.set $16
-                      (tuple.extract 0
-                       (tuple.make
-                        (call $incRef_0
-                         (global.get $GRAIN$EXPORT$incRef_0)
-                         (call $incRef_0
-                          (global.get $GRAIN$EXPORT$incRef_0)
-                          (local.get $22)
-                         )
-                        )
-                        (call $decRef_0
-                         (global.get $GRAIN$EXPORT$decRef_0)
-                         (local.get $16)
-                        )
-                       )
-                      )
-                     )
-                     (i32.const 1879048190)
-                    )
-                   )
-                   (drop
-                    (block $compile_set.67 (result i32)
-                     (local.set $17
-                      (tuple.extract 0
-                       (tuple.make
-                        (call $incRef_0
-                         (global.get $GRAIN$EXPORT$incRef_0)
-                         (call $incRef_0
-                          (global.get $GRAIN$EXPORT$incRef_0)
-                          (local.get $24)
-                         )
-                        )
-                        (call $decRef_0
-                         (global.get $GRAIN$EXPORT$decRef_0)
-                         (local.get $17)
-                        )
-                       )
-                      )
-                     )
-                     (i32.const 1879048190)
-                    )
-                   )
-                   (i32.const 7)
-                  )
-                  (block $compile_block.69 (result i32)
-                   (i32.const 9)
-                  )
-                 )
-                 (block $cleanup.63 (result i32)
-                  (drop
-                   (call $decRef_0
-                    (global.get $GRAIN$EXPORT$decRef_0)
-                    (local.get $24)
-                   )
-                  )
-                  (i32.const 1879048190)
-                 )
-                )
-               )
-              )
-              (block $compile_block.78 (result i32)
-               (block $compile_store.72
-                (local.set $38
-                 (i32.or
-                  (i32.shl
-                   (i32.eq
-                    (local.get $36)
-                    (i32.const 3)
-                   )
-                   (i32.const 31)
-                  )
-                  (i32.const 2147483646)
-                 )
-                )
-                (block $do_backpatches.71
-                )
-               )
-               (if (result i32)
-                (i32.shr_u
-                 (local.get $38)
-                 (i32.const 31)
-                )
-                (block $compile_block.76 (result i32)
-                 (drop
-                  (block $compile_set.73 (result i32)
-                   (local.set $11
-                    (tuple.extract 0
-                     (tuple.make
-                      (call $incRef_0
-                       (global.get $GRAIN$EXPORT$incRef_0)
-                       (call $incRef_0
-                        (global.get $GRAIN$EXPORT$incRef_0)
-                        (local.get $18)
-                       )
-                      )
-                      (call $decRef_0
-                       (global.get $GRAIN$EXPORT$decRef_0)
-                       (local.get $11)
-                      )
-                     )
-                    )
-                   )
-                   (i32.const 1879048190)
-                  )
-                 )
-                 (drop
-                  (block $compile_set.74 (result i32)
-                   (local.set $12
-                    (tuple.extract 0
-                     (tuple.make
-                      (call $incRef_0
-                       (global.get $GRAIN$EXPORT$incRef_0)
-                       (call $incRef_0
-                        (global.get $GRAIN$EXPORT$incRef_0)
-                        (local.get $20)
-                       )
-                      )
-                      (call $decRef_0
-                       (global.get $GRAIN$EXPORT$decRef_0)
-                       (local.get $12)
-                      )
-                     )
-                    )
-                   )
-                   (i32.const 1879048190)
-                  )
-                 )
-                 (drop
-                  (block $compile_set.75 (result i32)
-                   (local.set $13
-                    (tuple.extract 0
-                     (tuple.make
-                      (call $incRef_0
-                       (global.get $GRAIN$EXPORT$incRef_0)
-                       (call $incRef_0
-                        (global.get $GRAIN$EXPORT$incRef_0)
-                        (local.get $22)
-                       )
-                      )
-                      (call $decRef_0
-                       (global.get $GRAIN$EXPORT$decRef_0)
-                       (local.get $13)
-                      )
-                     )
-                    )
-                   )
-                   (i32.const 1879048190)
-                  )
-                 )
-                 (i32.const 5)
-                )
-                (block $compile_block.77 (result i32)
-                 (i32.const 9)
-                )
-               )
-              )
-             )
-             (block $cleanup.53 (result i32)
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $22)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $23)
-               )
-              )
-              (i32.const 1879048190)
-             )
-            )
-           )
-          )
-          (block $compile_block.86 (result i32)
-           (block $compile_store.81
-            (local.set $35
-             (i32.or
-              (i32.shl
-               (i32.eq
-                (local.get $33)
-                (i32.const 3)
-               )
-               (i32.const 31)
-              )
-              (i32.const 2147483646)
-             )
-            )
-            (block $do_backpatches.80
-            )
-           )
-           (if (result i32)
-            (i32.shr_u
-             (local.get $35)
-             (i32.const 31)
-            )
-            (block $compile_block.84 (result i32)
-             (drop
-              (block $compile_set.82 (result i32)
-               (local.set $9
-                (tuple.extract 0
-                 (tuple.make
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (call $incRef_0
-                    (global.get $GRAIN$EXPORT$incRef_0)
-                    (local.get $18)
-                   )
-                  )
-                  (call $decRef_0
-                   (global.get $GRAIN$EXPORT$decRef_0)
-                   (local.get $9)
-                  )
-                 )
-                )
-               )
-               (i32.const 1879048190)
-              )
-             )
-             (drop
-              (block $compile_set.83 (result i32)
-               (local.set $10
-                (tuple.extract 0
-                 (tuple.make
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (call $incRef_0
-                    (global.get $GRAIN$EXPORT$incRef_0)
-                    (local.get $20)
-                   )
-                  )
-                  (call $decRef_0
-                   (global.get $GRAIN$EXPORT$decRef_0)
-                   (local.get $10)
-                  )
-                 )
-                )
-               )
-               (i32.const 1879048190)
-              )
-             )
-             (i32.const 3)
-            )
-            (block $compile_block.85 (result i32)
-             (i32.const 9)
-            )
-           )
-          )
-         )
-         (block $cleanup.44 (result i32)
-          (drop
-           (call $decRef_0
-            (global.get $GRAIN$EXPORT$decRef_0)
-            (local.get $20)
-           )
-          )
-          (drop
-           (call $decRef_0
-            (global.get $GRAIN$EXPORT$decRef_0)
-            (local.get $21)
-           )
-          )
-          (i32.const 1879048190)
-         )
-        )
-       )
-      )
-      (block $compile_block.93 (result i32)
-       (block $compile_store.89
-        (local.set $32
-         (i32.or
-          (i32.shl
-           (i32.eq
-            (local.get $29)
-            (i32.const 3)
-           )
-           (i32.const 31)
-          )
-          (i32.const 2147483646)
-         )
-        )
-        (block $do_backpatches.88
-        )
-       )
-       (if (result i32)
-        (i32.shr_u
-         (local.get $32)
-         (i32.const 31)
-        )
-        (block $compile_block.91 (result i32)
-         (drop
-          (block $compile_set.90 (result i32)
-           (local.set $8
-            (tuple.extract 0
-             (tuple.make
-              (call $incRef_0
-               (global.get $GRAIN$EXPORT$incRef_0)
-               (call $incRef_0
-                (global.get $GRAIN$EXPORT$incRef_0)
-                (local.get $18)
-               )
-              )
-              (call $decRef_0
-               (global.get $GRAIN$EXPORT$decRef_0)
-               (local.get $8)
-              )
-             )
-            )
-           )
-           (i32.const 1879048190)
-          )
-         )
-         (i32.const 1)
-        )
-        (block $compile_block.92
-         (unreachable)
-        )
-       )
-      )
-     )
-    )
-    (block $do_backpatches.94
-    )
-   )
-   (block $cleanup.96
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $18)
-     )
-    )
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $19)
-     )
-    )
-   )
-   (tuple.extract 0
-    (tuple.make
-     (block $switch.98_outer (result i32)
-      (block $switch.98_branch_0 (result i32)
-       (drop
-        (block $switch.98_branch_1 (result i32)
-         (drop
-          (block $switch.98_branch_2 (result i32)
-           (drop
-            (block $switch.98_branch_3 (result i32)
-             (drop
-              (block $switch.98_branch_4 (result i32)
-               (drop
-                (block $switch.98_branch_5 (result i32)
-                 (drop
-                  (block $switch.98_default (result i32)
-                   (br_table $switch.98_branch_1 $switch.98_branch_2 $switch.98_branch_3 $switch.98_branch_4 $switch.98_branch_5 $switch.98_default $switch.98_default
-                    (i32.const 0)
-                    (i32.shr_s
-                     (local.get $31)
-                     (i32.const 1)
-                    )
-                   )
-                  )
-                 )
-                 (br $switch.98_outer
-                  (block $compile_block.113 (result i32)
-                   (unreachable)
-                  )
-                 )
-                )
-               )
-               (br $switch.98_outer
-                (block $compile_block.112 (result i32)
-                 (i32.const 1999)
-                )
-               )
-              )
-             )
-             (br $switch.98_outer
-              (block $compile_block.111
-               (block $compile_store.107
-                (local.set $27
-                 (call $+_1151
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (global.get $+_1151)
-                  )
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (local.get $14)
-                  )
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (local.get $15)
-                  )
-                 )
-                )
-                (block $do_backpatches.106
-                )
-               )
-               (block $compile_store.109
-                (local.set $28
-                 (call $+_1151
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (global.get $+_1151)
-                  )
-                  (local.get $27)
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (local.get $16)
-                  )
-                 )
-                )
-                (block $do_backpatches.108
-                )
-               )
-               (block $cleanup.110
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $8)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $9)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $10)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $11)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $12)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $13)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $14)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $15)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $16)
-                 )
-                )
-               )
-               (return_call $+_1151
-                (call $incRef_0
-                 (global.get $GRAIN$EXPORT$incRef_0)
-                 (global.get $+_1151)
-                )
-                (local.get $28)
-                (local.get $17)
-               )
-              )
-             )
-            )
-           )
-           (br $switch.98_outer
-            (block $compile_block.105
-             (block $compile_store.103
-              (local.set $26
-               (call $+_1151
-                (call $incRef_0
-                 (global.get $GRAIN$EXPORT$incRef_0)
-                 (global.get $+_1151)
-                )
-                (call $incRef_0
-                 (global.get $GRAIN$EXPORT$incRef_0)
-                 (local.get $11)
-                )
-                (call $incRef_0
-                 (global.get $GRAIN$EXPORT$incRef_0)
-                 (local.get $12)
-                )
-               )
-              )
-              (block $do_backpatches.102
-              )
-             )
-             (block $cleanup.104
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $8)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $9)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $10)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $11)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $12)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $14)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $15)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $16)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $17)
-               )
-              )
-             )
-             (return_call $+_1151
-              (call $incRef_0
-               (global.get $GRAIN$EXPORT$incRef_0)
-               (global.get $+_1151)
-              )
-              (local.get $26)
-              (local.get $13)
-             )
-            )
-           )
-          )
-         )
-         (br $switch.98_outer
-          (block $compile_block.101
-           (block $cleanup.100
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $8)
-             )
-            )
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $11)
-             )
-            )
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $12)
-             )
-            )
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $13)
-             )
-            )
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $14)
-             )
-            )
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $15)
-             )
-            )
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $16)
-             )
-            )
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $17)
-             )
-            )
-           )
-           (return_call $+_1151
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (global.get $+_1151)
-            )
-            (local.get $9)
-            (local.get $10)
-           )
-          )
-         )
-        )
-       )
-       (br $switch.98_outer
-        (block $compile_block.99 (result i32)
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (local.get $8)
-         )
-        )
-       )
-      )
-     )
-     (block $cleanup.97 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $8)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $9)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $10)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $11)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $12)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $13)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $14)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $15)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $16)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $17)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1151) (name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1151) (name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 5 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 6 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 7 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 8 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 9 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 10 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 11 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 12 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 13 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 1)
+           ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MAdtOp MAdtGetTag
+           ((immediate_desc (MImmBinding (MLocalBind 13 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 (Unmanaged WasmI32))
+        ((instr_desc
+          (MPrim2 Is
+           ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Unknown))))
+           ((immediate_desc (MImmConst (MConstI32 0)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 (Unmanaged WasmI32))
+        ((instr_desc
+          (MIf
+           ((immediate_desc (MImmBinding (MLocalBind 1 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Last))))
+           (((instr_desc
+              (MStore
+               (((MLocalBind 14 Managed)
+                 ((instr_desc
+                   (MAdtOp (MAdtGet 0)
+                    ((immediate_desc (MImmBinding (MLocalBind 13 Managed)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MStore
+               (((MLocalBind 15 Managed)
+                 ((instr_desc
+                   (MAdtOp (MAdtGet 1)
+                    ((immediate_desc (MImmBinding (MLocalBind 13 Managed)))
+                     (immediate_analyses ((last_usage Last))))))))))))
+            ((instr_desc
+              (MStore
+               (((MLocalBind 4 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MAdtOp MAdtGetTag
+                    ((immediate_desc (MImmBinding (MLocalBind 15 Managed)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MStore
+               (((MLocalBind 5 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MPrim2 Is
+                    ((immediate_desc
+                      (MImmBinding (MLocalBind 4 (Unmanaged WasmI32))))
+                     (immediate_analyses ((last_usage Unknown))))
+                    ((immediate_desc (MImmConst (MConstI32 0)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MCleanup
+               (((instr_desc
+                  (MIf
+                   ((immediate_desc
+                     (MImmBinding (MLocalBind 5 (Unmanaged WasmI32))))
+                    (immediate_analyses ((last_usage Last))))
+                   (((instr_desc
+                      (MStore
+                       (((MLocalBind 16 Managed)
+                         ((instr_desc
+                           (MAdtOp (MAdtGet 0)
+                            ((immediate_desc
+                              (MImmBinding (MLocalBind 15 Managed)))
+                             (immediate_analyses ((last_usage Unknown))))))))))))
+                    ((instr_desc
+                      (MStore
+                       (((MLocalBind 17 Managed)
+                         ((instr_desc
+                           (MAdtOp (MAdtGet 1)
+                            ((immediate_desc
+                              (MImmBinding (MLocalBind 15 Managed)))
+                             (immediate_analyses ((last_usage Last))))))))))))
+                    ((instr_desc
+                      (MStore
+                       (((MLocalBind 7 (Unmanaged WasmI32))
+                         ((instr_desc
+                           (MAdtOp MAdtGetTag
+                            ((immediate_desc
+                              (MImmBinding (MLocalBind 17 Managed)))
+                             (immediate_analyses ((last_usage Unknown))))))))))))
+                    ((instr_desc
+                      (MStore
+                       (((MLocalBind 8 (Unmanaged WasmI32))
+                         ((instr_desc
+                           (MPrim2 Is
+                            ((immediate_desc
+                              (MImmBinding
+                               (MLocalBind 7 (Unmanaged WasmI32))))
+                             (immediate_analyses ((last_usage Unknown))))
+                            ((immediate_desc (MImmConst (MConstI32 0)))
+                             (immediate_analyses ((last_usage Unknown))))))))))))
+                    ((instr_desc
+                      (MCleanup
+                       (((instr_desc
+                          (MIf
+                           ((immediate_desc
+                             (MImmBinding (MLocalBind 8 (Unmanaged WasmI32))))
+                            (immediate_analyses ((last_usage Last))))
+                           (((instr_desc
+                              (MStore
+                               (((MLocalBind 18 Managed)
+                                 ((instr_desc
+                                   (MAdtOp (MAdtGet 0)
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 17 Managed)))
+                                     (immediate_analyses
+                                      ((last_usage Unknown))))))))))))
+                            ((instr_desc
+                              (MStore
+                               (((MLocalBind 19 Managed)
+                                 ((instr_desc
+                                   (MAdtOp (MAdtGet 1)
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 17 Managed)))
+                                     (immediate_analyses ((last_usage Last))))))))))))
+                            ((instr_desc
+                              (MStore
+                               (((MLocalBind 10 (Unmanaged WasmI32))
+                                 ((instr_desc
+                                   (MAdtOp MAdtGetTag
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 19 Managed)))
+                                     (immediate_analyses ((last_usage Last))))))))))))
+                            ((instr_desc
+                              (MCleanup ()
+                               (((immediate_desc
+                                  (MImmBinding (MLocalBind 19 Managed)))
+                                 (immediate_analyses ((last_usage Unknown))))))))
+                            ((instr_desc
+                              (MStore
+                               (((MLocalBind 11 (Unmanaged WasmI32))
+                                 ((instr_desc
+                                   (MPrim2 Is
+                                    ((immediate_desc
+                                      (MImmBinding
+                                       (MLocalBind 10 (Unmanaged WasmI32))))
+                                     (immediate_analyses ((last_usage Last))))
+                                    ((immediate_desc
+                                      (MImmConst (MConstI32 1)))
+                                     (immediate_analyses
+                                      ((last_usage Unknown))))))))))))
+                            ((instr_desc
+                              (MCleanup
+                               (((instr_desc
+                                  (MIf
+                                   ((immediate_desc
+                                     (MImmBinding
+                                      (MLocalBind 11 (Unmanaged WasmI32))))
+                                    (immediate_analyses ((last_usage Last))))
+                                   (((instr_desc
+                                      (MDrop
+                                       ((instr_desc
+                                         (MSet (MLocalBind 8 Managed)
+                                          ((instr_desc
+                                            (MImmediate
+                                             ((immediate_desc
+                                               (MIncRef
+                                                ((immediate_desc
+                                                  (MImmBinding
+                                                   (MLocalBind 12 Managed)))
+                                                 (immediate_analyses
+                                                  ((last_usage Unknown))))))
+                                              (immediate_analyses
+                                               ((last_usage Unknown)))))))))))))
+                                    ((instr_desc
+                                      (MDrop
+                                       ((instr_desc
+                                         (MSet (MLocalBind 9 Managed)
+                                          ((instr_desc
+                                            (MImmediate
+                                             ((immediate_desc
+                                               (MIncRef
+                                                ((immediate_desc
+                                                  (MImmBinding
+                                                   (MLocalBind 14 Managed)))
+                                                 (immediate_analyses
+                                                  ((last_usage Unknown))))))
+                                              (immediate_analyses
+                                               ((last_usage Unknown)))))))))))))
+                                    ((instr_desc
+                                      (MDrop
+                                       ((instr_desc
+                                         (MSet (MLocalBind 10 Managed)
+                                          ((instr_desc
+                                            (MImmediate
+                                             ((immediate_desc
+                                               (MIncRef
+                                                ((immediate_desc
+                                                  (MImmBinding
+                                                   (MLocalBind 16 Managed)))
+                                                 (immediate_analyses
+                                                  ((last_usage Unknown))))))
+                                              (immediate_analyses
+                                               ((last_usage Unknown)))))))))))))
+                                    ((instr_desc
+                                      (MDrop
+                                       ((instr_desc
+                                         (MSet (MLocalBind 11 Managed)
+                                          ((instr_desc
+                                            (MImmediate
+                                             ((immediate_desc
+                                               (MIncRef
+                                                ((immediate_desc
+                                                  (MImmBinding
+                                                   (MLocalBind 18 Managed)))
+                                                 (immediate_analyses
+                                                  ((last_usage Last))))))
+                                              (immediate_analyses
+                                               ((last_usage Unknown)))))))))))))
+                                    ((instr_desc
+                                      (MImmediate
+                                       ((immediate_desc
+                                         (MImmConst (MConstI32 3)))
+                                        (immediate_analyses
+                                         ((last_usage Unknown))))))))
+                                   (((instr_desc
+                                      (MImmediate
+                                       ((immediate_desc
+                                         (MImmConst (MConstI32 4)))
+                                        (immediate_analyses
+                                         ((last_usage Unknown))))))))))))
+                               (((immediate_desc
+                                  (MImmBinding (MLocalBind 18 Managed)))
+                                 (immediate_analyses ((last_usage Unknown)))))))))
+                           (((instr_desc
+                              (MStore
+                               (((MLocalBind 9 (Unmanaged WasmI32))
+                                 ((instr_desc
+                                   (MPrim2 Is
+                                    ((immediate_desc
+                                      (MImmBinding
+                                       (MLocalBind 7 (Unmanaged WasmI32))))
+                                     (immediate_analyses ((last_usage Last))))
+                                    ((immediate_desc
+                                      (MImmConst (MConstI32 1)))
+                                     (immediate_analyses
+                                      ((last_usage Unknown))))))))))))
+                            ((instr_desc
+                              (MIf
+                               ((immediate_desc
+                                 (MImmBinding
+                                  (MLocalBind 9 (Unmanaged WasmI32))))
+                                (immediate_analyses ((last_usage Last))))
+                               (((instr_desc
+                                  (MDrop
+                                   ((instr_desc
+                                     (MSet (MLocalBind 5 Managed)
+                                      ((instr_desc
+                                        (MImmediate
+                                         ((immediate_desc
+                                           (MIncRef
+                                            ((immediate_desc
+                                              (MImmBinding
+                                               (MLocalBind 12 Managed)))
+                                             (immediate_analyses
+                                              ((last_usage Unknown))))))
+                                          (immediate_analyses
+                                           ((last_usage Unknown)))))))))))))
+                                ((instr_desc
+                                  (MDrop
+                                   ((instr_desc
+                                     (MSet (MLocalBind 6 Managed)
+                                      ((instr_desc
+                                        (MImmediate
+                                         ((immediate_desc
+                                           (MIncRef
+                                            ((immediate_desc
+                                              (MImmBinding
+                                               (MLocalBind 14 Managed)))
+                                             (immediate_analyses
+                                              ((last_usage Unknown))))))
+                                          (immediate_analyses
+                                           ((last_usage Unknown)))))))))))))
+                                ((instr_desc
+                                  (MDrop
+                                   ((instr_desc
+                                     (MSet (MLocalBind 7 Managed)
+                                      ((instr_desc
+                                        (MImmediate
+                                         ((immediate_desc
+                                           (MIncRef
+                                            ((immediate_desc
+                                              (MImmBinding
+                                               (MLocalBind 16 Managed)))
+                                             (immediate_analyses
+                                              ((last_usage Last))))))
+                                          (immediate_analyses
+                                           ((last_usage Unknown)))))))))))))
+                                ((instr_desc
+                                  (MImmediate
+                                   ((immediate_desc
+                                     (MImmConst (MConstI32 2)))
+                                    (immediate_analyses
+                                     ((last_usage Unknown))))))))
+                               (((instr_desc
+                                  (MImmediate
+                                   ((immediate_desc
+                                     (MImmConst (MConstI32 4)))
+                                    (immediate_analyses
+                                     ((last_usage Unknown))))))))))))))))
+                       (((immediate_desc
+                          (MImmBinding (MLocalBind 17 Managed)))
+                         (immediate_analyses ((last_usage Unknown))))
+                        ((immediate_desc
+                          (MImmBinding (MLocalBind 16 Managed)))
+                         (immediate_analyses ((last_usage Unknown)))))))))
+                   (((instr_desc
+                      (MStore
+                       (((MLocalBind 6 (Unmanaged WasmI32))
+                         ((instr_desc
+                           (MPrim2 Is
+                            ((immediate_desc
+                              (MImmBinding
+                               (MLocalBind 4 (Unmanaged WasmI32))))
+                             (immediate_analyses ((last_usage Last))))
+                            ((immediate_desc (MImmConst (MConstI32 1)))
+                             (immediate_analyses ((last_usage Unknown))))))))))))
+                    ((instr_desc
+                      (MIf
+                       ((immediate_desc
+                         (MImmBinding (MLocalBind 6 (Unmanaged WasmI32))))
+                        (immediate_analyses ((last_usage Last))))
+                       (((instr_desc
+                          (MDrop
+                           ((instr_desc
+                             (MSet (MLocalBind 3 Managed)
+                              ((instr_desc
+                                (MImmediate
+                                 ((immediate_desc
+                                   (MIncRef
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 12 Managed)))
+                                     (immediate_analyses
+                                      ((last_usage Unknown))))))
+                                  (immediate_analyses ((last_usage Unknown)))))))))))))
+                        ((instr_desc
+                          (MDrop
+                           ((instr_desc
+                             (MSet (MLocalBind 4 Managed)
+                              ((instr_desc
+                                (MImmediate
+                                 ((immediate_desc
+                                   (MIncRef
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 14 Managed)))
+                                     (immediate_analyses ((last_usage Last))))))
+                                  (immediate_analyses ((last_usage Unknown)))))))))))))
+                        ((instr_desc
+                          (MImmediate
+                           ((immediate_desc (MImmConst (MConstI32 1)))
+                            (immediate_analyses ((last_usage Unknown))))))))
+                       (((instr_desc
+                          (MImmediate
+                           ((immediate_desc (MImmConst (MConstI32 4)))
+                            (immediate_analyses ((last_usage Unknown))))))))))))))))
+               (((immediate_desc (MImmBinding (MLocalBind 15 Managed)))
+                 (immediate_analyses ((last_usage Unknown))))
+                ((immediate_desc (MImmBinding (MLocalBind 14 Managed)))
+                 (immediate_analyses ((last_usage Unknown)))))))))
+           (((instr_desc
+              (MStore
+               (((MLocalBind 3 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MPrim2 Is
+                    ((immediate_desc
+                      (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+                     (immediate_analyses ((last_usage Last))))
+                    ((immediate_desc (MImmConst (MConstI32 1)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MIf
+               ((immediate_desc
+                 (MImmBinding (MLocalBind 3 (Unmanaged WasmI32))))
+                (immediate_analyses ((last_usage Last))))
+               (((instr_desc
+                  (MDrop
+                   ((instr_desc
+                     (MSet (MLocalBind 2 Managed)
+                      ((instr_desc
+                        (MImmediate
+                         ((immediate_desc
+                           (MIncRef
+                            ((immediate_desc
+                              (MImmBinding (MLocalBind 12 Managed)))
+                             (immediate_analyses ((last_usage Last))))))
+                          (immediate_analyses ((last_usage Unknown)))))))))))))
+                ((instr_desc
+                  (MImmediate
+                   ((immediate_desc (MImmConst (MConstI32 0)))
+                    (immediate_analyses ((last_usage Unknown))))))))
+               (((instr_desc
+                  (MImmediate
+                   ((immediate_desc MImmTrap)
+                    (immediate_analyses ((last_usage Unknown))))))))))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 13 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 12 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MCleanup
+      (((instr_desc
+         (MSwitch
+          ((immediate_desc (MImmBinding (MLocalBind 2 (Unmanaged WasmI32))))
+           (immediate_analyses ((last_usage Last))))
+          ((0
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc
+                  (MIncRef
+                   ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+                    (immediate_analyses ((last_usage Last))))))
+                 (immediate_analyses ((last_usage Unknown)))))))))
+           (1
+            (((instr_desc
+               (MCleanup ()
+                (((immediate_desc (MImmBinding (MLocalBind 11 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 10 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 9 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 8 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))))))
+             ((instr_desc
+               (MReturnCallKnown (func +_1151)
+                (closure
+                 ((immediate_desc
+                   (MIncRef
+                    ((immediate_desc
+                      (MImmBinding (MGlobalBind +_1151 Managed)))
+                     (immediate_analyses ((last_usage TailCallLast))))))
+                  (immediate_analyses ((last_usage Unknown)))))
+                (func_type ((Managed Managed) (Managed)))
+                (args
+                 (((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+                   (immediate_analyses ((last_usage Last))))
+                  ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+                   (immediate_analyses ((last_usage Last)))))))))))
+           (2
+            (((instr_desc
+               (MStore
+                (((MLocalBind 20 Managed)
+                  ((instr_desc
+                    (MCallKnown (func +_1151)
+                     (closure
+                      ((immediate_desc
+                        (MIncRef
+                         ((immediate_desc
+                           (MImmBinding (MGlobalBind +_1151 Managed)))
+                          (immediate_analyses ((last_usage Unknown))))))
+                       (immediate_analyses ((last_usage Unknown)))))
+                     (func_type ((Managed Managed) (Managed)))
+                     (args
+                      (((immediate_desc
+                         (MIncRef
+                          ((immediate_desc
+                            (MImmBinding (MLocalBind 5 Managed)))
+                           (immediate_analyses ((last_usage Last))))))
+                        (immediate_analyses ((last_usage Unknown))))
+                       ((immediate_desc
+                         (MIncRef
+                          ((immediate_desc
+                            (MImmBinding (MLocalBind 6 Managed)))
+                           (immediate_analyses ((last_usage Last))))))
+                        (immediate_analyses ((last_usage Unknown))))))))))))))
+             ((instr_desc
+               (MCleanup ()
+                (((immediate_desc (MImmBinding (MLocalBind 11 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 10 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 9 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 8 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))))))
+             ((instr_desc
+               (MReturnCallKnown (func +_1151)
+                (closure
+                 ((immediate_desc
+                   (MIncRef
+                    ((immediate_desc
+                      (MImmBinding (MGlobalBind +_1151 Managed)))
+                     (immediate_analyses ((last_usage TailCallLast))))))
+                  (immediate_analyses ((last_usage Unknown)))))
+                (func_type ((Managed Managed) (Managed)))
+                (args
+                 (((immediate_desc (MImmBinding (MLocalBind 20 Managed)))
+                   (immediate_analyses ((last_usage Last))))
+                  ((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+                   (immediate_analyses ((last_usage Last)))))))))))
+           (3
+            (((instr_desc
+               (MStore
+                (((MLocalBind 21 Managed)
+                  ((instr_desc
+                    (MCallKnown (func +_1151)
+                     (closure
+                      ((immediate_desc
+                        (MIncRef
+                         ((immediate_desc
+                           (MImmBinding (MGlobalBind +_1151 Managed)))
+                          (immediate_analyses ((last_usage Unknown))))))
+                       (immediate_analyses ((last_usage Unknown)))))
+                     (func_type ((Managed Managed) (Managed)))
+                     (args
+                      (((immediate_desc
+                         (MIncRef
+                          ((immediate_desc
+                            (MImmBinding (MLocalBind 8 Managed)))
+                           (immediate_analyses ((last_usage Last))))))
+                        (immediate_analyses ((last_usage Unknown))))
+                       ((immediate_desc
+                         (MIncRef
+                          ((immediate_desc
+                            (MImmBinding (MLocalBind 9 Managed)))
+                           (immediate_analyses ((last_usage Last))))))
+                        (immediate_analyses ((last_usage Unknown))))))))))))))
+             ((instr_desc
+               (MStore
+                (((MLocalBind 22 Managed)
+                  ((instr_desc
+                    (MCallKnown (func +_1151)
+                     (closure
+                      ((immediate_desc
+                        (MIncRef
+                         ((immediate_desc
+                           (MImmBinding (MGlobalBind +_1151 Managed)))
+                          (immediate_analyses ((last_usage Unknown))))))
+                       (immediate_analyses ((last_usage Unknown)))))
+                     (func_type ((Managed Managed) (Managed)))
+                     (args
+                      (((immediate_desc
+                         (MImmBinding (MLocalBind 21 Managed)))
+                        (immediate_analyses ((last_usage Last))))
+                       ((immediate_desc
+                         (MIncRef
+                          ((immediate_desc
+                            (MImmBinding (MLocalBind 10 Managed)))
+                           (immediate_analyses ((last_usage Last))))))
+                        (immediate_analyses ((last_usage Unknown))))))))))))))
+             ((instr_desc
+               (MCleanup ()
+                (((immediate_desc (MImmBinding (MLocalBind 10 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 9 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 8 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))))))
+             ((instr_desc
+               (MReturnCallKnown (func +_1151)
+                (closure
+                 ((immediate_desc
+                   (MIncRef
+                    ((immediate_desc
+                      (MImmBinding (MGlobalBind +_1151 Managed)))
+                     (immediate_analyses ((last_usage Last))))))
+                  (immediate_analyses ((last_usage Unknown)))))
+                (func_type ((Managed Managed) (Managed)))
+                (args
+                 (((immediate_desc (MImmBinding (MLocalBind 22 Managed)))
+                   (immediate_analyses ((last_usage Last))))
+                  ((immediate_desc (MImmBinding (MLocalBind 11 Managed)))
+                   (immediate_analyses ((last_usage Last)))))))))))
+           (4
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc (MImmConst (MConstI32 999)))
+                 (immediate_analyses ((last_usage Unknown))))))))))
+          (((instr_desc
+             (MImmediate
+              ((immediate_desc MImmTrap)
+               (immediate_analyses ((last_usage Unknown))))))))
+          Managed))))
+      (((immediate_desc (MImmBinding (MLocalBind 11 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 10 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 9 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 8 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 23) (stack_size_i32 12) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1156) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/pattern_matching.7f7fe4ef.0.snapshot b/compiler/test/__snapshots__/pattern_matching.7f7fe4ef.0.snapshot
index aaf65d1a7..bbaee7995 100644
--- a/compiler/test/__snapshots__/pattern_matching.7f7fe4ef.0.snapshot
+++ b/compiler/test/__snapshots__/pattern_matching.7f7fe4ef.0.snapshot
@@ -1,79 +1,39 @@
 pattern matching › alias_match_1
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.7 (result i32)
-   (block $compile_store.2
-    (local.set $6
-     (i32.const 0)
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (drop
-    (block $compile_set.3 (result i32)
-     (local.set $6
-      (i32.const -2)
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (block $switch.4_outer (result i32)
-    (block $switch.4_branch_0 (result i32)
-     (drop
-      (block $switch.4_branch_1 (result i32)
-       (drop
-        (block $switch.4_default (result i32)
-         (br_table $switch.4_branch_1 $switch.4_default $switch.4_default
-          (i32.const 0)
-          (i32.shr_s
-           (i32.const 1)
-           (i32.const 1)
-          )
-         )
-        )
-       )
-       (br $switch.4_outer
-        (block $compile_block.6 (result i32)
-         (unreachable)
-        )
-       )
-      )
-     )
-     (br $switch.4_outer
-      (block $compile_block.5 (result i32)
-       (local.get $6)
-      )
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MLocalBind 0 (Unmanaged WasmI32))
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+             (immediate_analyses ((last_usage Unknown)))))))))))))
+   ((instr_desc
+     (MSwitch
+      ((immediate_desc (MImmConst (MConstI32 0)))
+       (immediate_analyses ((last_usage Unknown))))
+      ((0
+        (((instr_desc
+           (MImmediate
+            ((immediate_desc
+              (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+             (immediate_analyses ((last_usage Last))))))))))
+      (((instr_desc
+         (MImmediate
+          ((immediate_desc MImmTrap)
+           (immediate_analyses ((last_usage Unknown))))))))
+      (Unmanaged WasmI32))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 1) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1115) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/pattern_matching.8614dff3.0.snapshot b/compiler/test/__snapshots__/pattern_matching.8614dff3.0.snapshot
index dc72edb08..4ce15ec14 100644
--- a/compiler/test/__snapshots__/pattern_matching.8614dff3.0.snapshot
+++ b/compiler/test/__snapshots__/pattern_matching.8614dff3.0.snapshot
@@ -1,106 +1,64 @@
 pattern matching › alias_match_2
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.12 (result i32)
-   (block $compile_store.2
-    (local.set $6
-     (i32.const 0)
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (block $compile_store.4
-    (local.set $7
-     (i32.const 0)
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (drop
-    (block $compile_set.5 (result i32)
-     (local.set $7
-      (i32.const -2)
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.6 (result i32)
-     (local.set $6
-      (i32.const -2)
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (block $switch.7_outer (result i32)
-    (block $switch.7_branch_0 (result i32)
-     (drop
-      (block $switch.7_branch_1 (result i32)
-       (drop
-        (block $switch.7_default (result i32)
-         (br_table $switch.7_branch_1 $switch.7_default $switch.7_default
-          (i32.const 0)
-          (i32.shr_s
-           (i32.const 1)
-           (i32.const 1)
-          )
-         )
-        )
-       )
-       (br $switch.7_outer
-        (block $compile_block.11 (result i32)
-         (unreachable)
-        )
-       )
-      )
-     )
-     (br $switch.7_outer
-      (block $compile_block.10 (result i32)
-       (if (result i32)
-        (i32.shr_u
-         (local.get $7)
-         (i32.const 31)
-        )
-        (block $compile_block.8 (result i32)
-         (local.get $6)
-        )
-        (block $compile_block.9 (result i32)
-         (local.get $7)
-        )
-       )
-      )
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 (Unmanaged WasmI32))
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MLocalBind 1 (Unmanaged WasmI32))
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+             (immediate_analyses ((last_usage Unknown)))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MLocalBind 0 (Unmanaged WasmI32))
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+             (immediate_analyses ((last_usage Unknown)))))))))))))
+   ((instr_desc
+     (MSwitch
+      ((immediate_desc (MImmConst (MConstI32 0)))
+       (immediate_analyses ((last_usage Unknown))))
+      ((0
+        (((instr_desc
+           (MIf
+            ((immediate_desc
+              (MImmBinding (MLocalBind 1 (Unmanaged WasmI32))))
+             (immediate_analyses ((last_usage Unknown))))
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc
+                  (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+                 (immediate_analyses ((last_usage Last))))))))
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc
+                  (MImmBinding (MLocalBind 1 (Unmanaged WasmI32))))
+                 (immediate_analyses ((last_usage Last))))))))))))))
+      (((instr_desc
+         (MImmediate
+          ((immediate_desc MImmTrap)
+           (immediate_analyses ((last_usage Unknown))))))))
+      (Unmanaged WasmI32))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 2) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1116) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/pattern_matching.8c0dc67a.0.snapshot b/compiler/test/__snapshots__/pattern_matching.8c0dc67a.0.snapshot
index c7631c500..808474ed2 100644
--- a/compiler/test/__snapshots__/pattern_matching.8c0dc67a.0.snapshot
+++ b/compiler/test/__snapshots__/pattern_matching.8c0dc67a.0.snapshot
@@ -1,852 +1,543 @@
 pattern matching › adt_match_1
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1143 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1143 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (local $13 i32)
-  (local $14 i32)
-  (local $15 i32)
-  (local $16 i32)
-  (local $17 i32)
-  (local $18 i32)
-  (local $19 i32)
-  (local $20 i32)
-  (local $21 i32)
-  (local $22 i32)
-  (local $23 i32)
-  (local $24 i32)
-  (local $25 i32)
-  (local $26 i32)
-  (local $27 i32)
-  (local $28 i32)
-  (local $29 i32)
-  (local $30 i32)
-  (local $31 i32)
-  (block $compile_block.89 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_adt.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.5
-    (local.set $7
-     (i32.const 0)
-    )
-    (block $do_backpatches.4
-    )
-   )
-   (block $compile_store.7
-    (local.set $8
-     (i32.const 0)
-    )
-    (block $do_backpatches.6
-    )
-   )
-   (block $compile_store.9
-    (local.set $9
-     (i32.const 0)
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $compile_store.11
-    (local.set $10
-     (i32.const 0)
-    )
-    (block $do_backpatches.10
-    )
-   )
-   (block $compile_store.13
-    (local.set $11
-     (i32.const 0)
-    )
-    (block $do_backpatches.12
-    )
-   )
-   (block $compile_store.15
-    (local.set $12
-     (i32.const 0)
-    )
-    (block $do_backpatches.14
-    )
-   )
-   (block $compile_store.17
-    (local.set $20
-     (i32.load offset=12
-      (local.get $6)
-     )
-    )
-    (block $do_backpatches.16
-    )
-   )
-   (block $compile_store.19
-    (local.set $21
-     (i32.or
-      (i32.shl
-       (i32.eq
-        (local.get $20)
-        (i32.const 1)
-       )
-       (i32.const 31)
-      )
-      (i32.const 2147483646)
-     )
-    )
-    (block $do_backpatches.18
-    )
-   )
-   (block $compile_store.75
-    (local.set $22
-     (if (result i32)
-      (i32.shr_u
-       (local.get $21)
-       (i32.const 31)
-      )
-      (block $compile_block.68 (result i32)
-       (block $compile_store.21
-        (local.set $13
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (i32.load offset=20
-           (local.get $6)
-          )
-         )
-        )
-        (block $do_backpatches.20
-        )
-       )
-       (block $compile_store.23
-        (local.set $14
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (i32.load offset=24
-           (local.get $6)
-          )
-         )
-        )
-        (block $do_backpatches.22
-        )
-       )
-       (block $compile_store.25
-        (local.set $24
-         (i32.load offset=12
-          (local.get $14)
-         )
-        )
-        (block $do_backpatches.24
-        )
-       )
-       (block $compile_store.27
-        (local.set $25
-         (i32.or
-          (i32.shl
-           (i32.eq
-            (local.get $24)
-            (i32.const 1)
-           )
-           (i32.const 31)
-          )
-          (i32.const 2147483646)
-         )
-        )
-        (block $do_backpatches.26
-        )
-       )
-       (tuple.extract 0
-        (tuple.make
-         (if (result i32)
-          (i32.shr_u
-           (local.get $25)
-           (i32.const 31)
-          )
-          (block $compile_block.61 (result i32)
-           (block $compile_store.30
-            (local.set $15
-             (call $incRef_0
-              (global.get $GRAIN$EXPORT$incRef_0)
-              (i32.load offset=20
-               (local.get $14)
-              )
-             )
-            )
-            (block $do_backpatches.29
-            )
-           )
-           (block $compile_store.32
-            (local.set $16
-             (call $incRef_0
-              (global.get $GRAIN$EXPORT$incRef_0)
-              (i32.load offset=24
-               (local.get $14)
-              )
-             )
-            )
-            (block $do_backpatches.31
-            )
-           )
-           (block $compile_store.34
-            (local.set $27
-             (i32.load offset=12
-              (local.get $16)
-             )
-            )
-            (block $do_backpatches.33
-            )
-           )
-           (block $compile_store.36
-            (local.set $28
-             (i32.or
-              (i32.shl
-               (i32.eq
-                (local.get $27)
-                (i32.const 1)
-               )
-               (i32.const 31)
-              )
-              (i32.const 2147483646)
-             )
-            )
-            (block $do_backpatches.35
-            )
-           )
-           (tuple.extract 0
-            (tuple.make
-             (if (result i32)
-              (i32.shr_u
-               (local.get $28)
-               (i32.const 31)
-              )
-              (block $compile_block.53 (result i32)
-               (block $compile_store.39
-                (local.set $17
-                 (call $incRef_0
-                  (global.get $GRAIN$EXPORT$incRef_0)
-                  (i32.load offset=20
-                   (local.get $16)
-                  )
-                 )
-                )
-                (block $do_backpatches.38
-                )
-               )
-               (block $compile_store.41
-                (local.set $18
-                 (call $incRef_0
-                  (global.get $GRAIN$EXPORT$incRef_0)
-                  (i32.load offset=24
-                   (local.get $16)
-                  )
-                 )
-                )
-                (block $do_backpatches.40
-                )
-               )
-               (block $compile_store.43
-                (local.set $30
-                 (i32.load offset=12
-                  (local.get $18)
-                 )
-                )
-                (block $do_backpatches.42
-                )
-               )
-               (block $cleanup.44
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $18)
-                 )
-                )
-               )
-               (block $compile_store.46
-                (local.set $31
-                 (i32.or
-                  (i32.shl
-                   (i32.eq
-                    (local.get $30)
-                    (i32.const 3)
-                   )
-                   (i32.const 31)
-                  )
-                  (i32.const 2147483646)
-                 )
-                )
-                (block $do_backpatches.45
-                )
-               )
-               (tuple.extract 0
-                (tuple.make
-                 (if (result i32)
-                  (i32.shr_u
-                   (local.get $31)
-                   (i32.const 31)
-                  )
-                  (block $compile_block.51 (result i32)
-                   (drop
-                    (block $compile_set.48 (result i32)
-                     (local.set $10
-                      (tuple.extract 0
-                       (tuple.make
-                        (call $incRef_0
-                         (global.get $GRAIN$EXPORT$incRef_0)
-                         (call $incRef_0
-                          (global.get $GRAIN$EXPORT$incRef_0)
-                          (local.get $13)
-                         )
-                        )
-                        (call $decRef_0
-                         (global.get $GRAIN$EXPORT$decRef_0)
-                         (local.get $10)
-                        )
-                       )
-                      )
-                     )
-                     (i32.const 1879048190)
-                    )
-                   )
-                   (drop
-                    (block $compile_set.49 (result i32)
-                     (local.set $11
-                      (tuple.extract 0
-                       (tuple.make
-                        (call $incRef_0
-                         (global.get $GRAIN$EXPORT$incRef_0)
-                         (call $incRef_0
-                          (global.get $GRAIN$EXPORT$incRef_0)
-                          (local.get $15)
-                         )
-                        )
-                        (call $decRef_0
-                         (global.get $GRAIN$EXPORT$decRef_0)
-                         (local.get $11)
-                        )
-                       )
-                      )
-                     )
-                     (i32.const 1879048190)
-                    )
-                   )
-                   (drop
-                    (block $compile_set.50 (result i32)
-                     (local.set $12
-                      (tuple.extract 0
-                       (tuple.make
-                        (call $incRef_0
-                         (global.get $GRAIN$EXPORT$incRef_0)
-                         (call $incRef_0
-                          (global.get $GRAIN$EXPORT$incRef_0)
-                          (local.get $17)
-                         )
-                        )
-                        (call $decRef_0
-                         (global.get $GRAIN$EXPORT$decRef_0)
-                         (local.get $12)
-                        )
-                       )
-                      )
-                     )
-                     (i32.const 1879048190)
-                    )
-                   )
-                   (i32.const 7)
-                  )
-                  (block $compile_block.52 (result i32)
-                   (i32.const 9)
-                  )
-                 )
-                 (block $cleanup.47 (result i32)
-                  (drop
-                   (call $decRef_0
-                    (global.get $GRAIN$EXPORT$decRef_0)
-                    (local.get $17)
-                   )
-                  )
-                  (i32.const 1879048190)
-                 )
-                )
-               )
-              )
-              (block $compile_block.60 (result i32)
-               (block $compile_store.55
-                (local.set $29
-                 (i32.or
-                  (i32.shl
-                   (i32.eq
-                    (local.get $27)
-                    (i32.const 3)
-                   )
-                   (i32.const 31)
-                  )
-                  (i32.const 2147483646)
-                 )
-                )
-                (block $do_backpatches.54
-                )
-               )
-               (if (result i32)
-                (i32.shr_u
-                 (local.get $29)
-                 (i32.const 31)
-                )
-                (block $compile_block.58 (result i32)
-                 (drop
-                  (block $compile_set.56 (result i32)
-                   (local.set $8
-                    (tuple.extract 0
-                     (tuple.make
-                      (call $incRef_0
-                       (global.get $GRAIN$EXPORT$incRef_0)
-                       (call $incRef_0
-                        (global.get $GRAIN$EXPORT$incRef_0)
-                        (local.get $13)
-                       )
-                      )
-                      (call $decRef_0
-                       (global.get $GRAIN$EXPORT$decRef_0)
-                       (local.get $8)
-                      )
-                     )
-                    )
-                   )
-                   (i32.const 1879048190)
-                  )
-                 )
-                 (drop
-                  (block $compile_set.57 (result i32)
-                   (local.set $9
-                    (tuple.extract 0
-                     (tuple.make
-                      (call $incRef_0
-                       (global.get $GRAIN$EXPORT$incRef_0)
-                       (call $incRef_0
-                        (global.get $GRAIN$EXPORT$incRef_0)
-                        (local.get $15)
-                       )
-                      )
-                      (call $decRef_0
-                       (global.get $GRAIN$EXPORT$decRef_0)
-                       (local.get $9)
-                      )
-                     )
-                    )
-                   )
-                   (i32.const 1879048190)
-                  )
-                 )
-                 (i32.const 5)
-                )
-                (block $compile_block.59 (result i32)
-                 (i32.const 9)
-                )
-               )
-              )
-             )
-             (block $cleanup.37 (result i32)
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $15)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $16)
-               )
-              )
-              (i32.const 1879048190)
-             )
-            )
-           )
-          )
-          (block $compile_block.67 (result i32)
-           (block $compile_store.63
-            (local.set $26
-             (i32.or
-              (i32.shl
-               (i32.eq
-                (local.get $24)
-                (i32.const 3)
-               )
-               (i32.const 31)
-              )
-              (i32.const 2147483646)
-             )
-            )
-            (block $do_backpatches.62
-            )
-           )
-           (if (result i32)
-            (i32.shr_u
-             (local.get $26)
-             (i32.const 31)
-            )
-            (block $compile_block.65 (result i32)
-             (drop
-              (block $compile_set.64 (result i32)
-               (local.set $7
-                (tuple.extract 0
-                 (tuple.make
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (call $incRef_0
-                    (global.get $GRAIN$EXPORT$incRef_0)
-                    (local.get $13)
-                   )
-                  )
-                  (call $decRef_0
-                   (global.get $GRAIN$EXPORT$decRef_0)
-                   (local.get $7)
-                  )
-                 )
-                )
-               )
-               (i32.const 1879048190)
-              )
-             )
-             (i32.const 3)
-            )
-            (block $compile_block.66 (result i32)
-             (i32.const 9)
-            )
-           )
-          )
-         )
-         (block $cleanup.28 (result i32)
-          (drop
-           (call $decRef_0
-            (global.get $GRAIN$EXPORT$decRef_0)
-            (local.get $13)
-           )
-          )
-          (drop
-           (call $decRef_0
-            (global.get $GRAIN$EXPORT$decRef_0)
-            (local.get $14)
-           )
-          )
-          (i32.const 1879048190)
-         )
-        )
-       )
-      )
-      (block $compile_block.73 (result i32)
-       (block $compile_store.70
-        (local.set $23
-         (i32.or
-          (i32.shl
-           (i32.eq
-            (local.get $20)
-            (i32.const 3)
-           )
-           (i32.const 31)
-          )
-          (i32.const 2147483646)
-         )
-        )
-        (block $do_backpatches.69
-        )
-       )
-       (if (result i32)
-        (i32.shr_u
-         (local.get $23)
-         (i32.const 31)
-        )
-        (block $compile_block.71 (result i32)
-         (i32.const 1)
-        )
-        (block $compile_block.72
-         (unreachable)
-        )
-       )
-      )
-     )
-    )
-    (block $do_backpatches.74
-    )
-   )
-   (block $cleanup.76
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $6)
-     )
-    )
-   )
-   (tuple.extract 0
-    (tuple.make
-     (block $switch.78_outer (result i32)
-      (block $switch.78_branch_0 (result i32)
-       (drop
-        (block $switch.78_branch_1 (result i32)
-         (drop
-          (block $switch.78_branch_2 (result i32)
-           (drop
-            (block $switch.78_branch_3 (result i32)
-             (drop
-              (block $switch.78_branch_4 (result i32)
-               (drop
-                (block $switch.78_branch_5 (result i32)
-                 (drop
-                  (block $switch.78_default (result i32)
-                   (br_table $switch.78_branch_1 $switch.78_branch_2 $switch.78_branch_3 $switch.78_branch_4 $switch.78_branch_5 $switch.78_default $switch.78_default
-                    (i32.const 0)
-                    (i32.shr_s
-                     (local.get $22)
-                     (i32.const 1)
-                    )
-                   )
-                  )
-                 )
-                 (br $switch.78_outer
-                  (block $compile_block.88 (result i32)
-                   (unreachable)
-                  )
-                 )
-                )
-               )
-               (br $switch.78_outer
-                (block $compile_block.87 (result i32)
-                 (i32.const 1999)
-                )
-               )
-              )
-             )
-             (br $switch.78_outer
-              (block $compile_block.86
-               (block $compile_store.84
-                (local.set $19
-                 (call $+_1143
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (global.get $+_1143)
-                  )
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (local.get $10)
-                  )
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (local.get $11)
-                  )
-                 )
-                )
-                (block $do_backpatches.83
-                )
-               )
-               (block $cleanup.85
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $7)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $8)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $9)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $10)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $11)
-                 )
-                )
-               )
-               (return_call $+_1143
-                (call $incRef_0
-                 (global.get $GRAIN$EXPORT$incRef_0)
-                 (global.get $+_1143)
-                )
-                (local.get $19)
-                (local.get $12)
-               )
-              )
-             )
-            )
-           )
-           (br $switch.78_outer
-            (block $compile_block.82
-             (block $cleanup.81
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $7)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $10)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $11)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $12)
-               )
-              )
-             )
-             (return_call $+_1143
-              (call $incRef_0
-               (global.get $GRAIN$EXPORT$incRef_0)
-               (global.get $+_1143)
-              )
-              (local.get $8)
-              (local.get $9)
-             )
-            )
-           )
-          )
-         )
-         (br $switch.78_outer
-          (block $compile_block.80 (result i32)
-           (call $incRef_0
-            (global.get $GRAIN$EXPORT$incRef_0)
-            (local.get $7)
-           )
-          )
-         )
-        )
-       )
-       (br $switch.78_outer
-        (block $compile_block.79 (result i32)
-         (i32.const 1)
-        )
-       )
-      )
-     )
-     (block $cleanup.77 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $7)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $8)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $9)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $10)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $11)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $12)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1143) (name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1143) (name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 5 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 6 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MAdtOp MAdtGetTag
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 (Unmanaged WasmI32))
+        ((instr_desc
+          (MPrim2 Is
+           ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Unknown))))
+           ((immediate_desc (MImmConst (MConstI32 0)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 (Unmanaged WasmI32))
+        ((instr_desc
+          (MIf
+           ((immediate_desc (MImmBinding (MLocalBind 1 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Last))))
+           (((instr_desc
+              (MStore
+               (((MLocalBind 7 Managed)
+                 ((instr_desc
+                   (MAdtOp (MAdtGet 0)
+                    ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MStore
+               (((MLocalBind 8 Managed)
+                 ((instr_desc
+                   (MAdtOp (MAdtGet 1)
+                    ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+                     (immediate_analyses ((last_usage Last))))))))))))
+            ((instr_desc
+              (MStore
+               (((MLocalBind 4 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MAdtOp MAdtGetTag
+                    ((immediate_desc (MImmBinding (MLocalBind 8 Managed)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MStore
+               (((MLocalBind 5 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MPrim2 Is
+                    ((immediate_desc
+                      (MImmBinding (MLocalBind 4 (Unmanaged WasmI32))))
+                     (immediate_analyses ((last_usage Unknown))))
+                    ((immediate_desc (MImmConst (MConstI32 0)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MCleanup
+               (((instr_desc
+                  (MIf
+                   ((immediate_desc
+                     (MImmBinding (MLocalBind 5 (Unmanaged WasmI32))))
+                    (immediate_analyses ((last_usage Last))))
+                   (((instr_desc
+                      (MStore
+                       (((MLocalBind 9 Managed)
+                         ((instr_desc
+                           (MAdtOp (MAdtGet 0)
+                            ((immediate_desc
+                              (MImmBinding (MLocalBind 8 Managed)))
+                             (immediate_analyses ((last_usage Unknown))))))))))))
+                    ((instr_desc
+                      (MStore
+                       (((MLocalBind 10 Managed)
+                         ((instr_desc
+                           (MAdtOp (MAdtGet 1)
+                            ((immediate_desc
+                              (MImmBinding (MLocalBind 8 Managed)))
+                             (immediate_analyses ((last_usage Last))))))))))))
+                    ((instr_desc
+                      (MStore
+                       (((MLocalBind 7 (Unmanaged WasmI32))
+                         ((instr_desc
+                           (MAdtOp MAdtGetTag
+                            ((immediate_desc
+                              (MImmBinding (MLocalBind 10 Managed)))
+                             (immediate_analyses ((last_usage Unknown))))))))))))
+                    ((instr_desc
+                      (MStore
+                       (((MLocalBind 8 (Unmanaged WasmI32))
+                         ((instr_desc
+                           (MPrim2 Is
+                            ((immediate_desc
+                              (MImmBinding
+                               (MLocalBind 7 (Unmanaged WasmI32))))
+                             (immediate_analyses ((last_usage Unknown))))
+                            ((immediate_desc (MImmConst (MConstI32 0)))
+                             (immediate_analyses ((last_usage Unknown))))))))))))
+                    ((instr_desc
+                      (MCleanup
+                       (((instr_desc
+                          (MIf
+                           ((immediate_desc
+                             (MImmBinding (MLocalBind 8 (Unmanaged WasmI32))))
+                            (immediate_analyses ((last_usage Last))))
+                           (((instr_desc
+                              (MStore
+                               (((MLocalBind 11 Managed)
+                                 ((instr_desc
+                                   (MAdtOp (MAdtGet 0)
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 10 Managed)))
+                                     (immediate_analyses
+                                      ((last_usage Unknown))))))))))))
+                            ((instr_desc
+                              (MStore
+                               (((MLocalBind 12 Managed)
+                                 ((instr_desc
+                                   (MAdtOp (MAdtGet 1)
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 10 Managed)))
+                                     (immediate_analyses ((last_usage Last))))))))))))
+                            ((instr_desc
+                              (MStore
+                               (((MLocalBind 10 (Unmanaged WasmI32))
+                                 ((instr_desc
+                                   (MAdtOp MAdtGetTag
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 12 Managed)))
+                                     (immediate_analyses ((last_usage Last))))))))))))
+                            ((instr_desc
+                              (MCleanup ()
+                               (((immediate_desc
+                                  (MImmBinding (MLocalBind 12 Managed)))
+                                 (immediate_analyses ((last_usage Unknown))))))))
+                            ((instr_desc
+                              (MStore
+                               (((MLocalBind 11 (Unmanaged WasmI32))
+                                 ((instr_desc
+                                   (MPrim2 Is
+                                    ((immediate_desc
+                                      (MImmBinding
+                                       (MLocalBind 10 (Unmanaged WasmI32))))
+                                     (immediate_analyses ((last_usage Last))))
+                                    ((immediate_desc
+                                      (MImmConst (MConstI32 1)))
+                                     (immediate_analyses
+                                      ((last_usage Unknown))))))))))))
+                            ((instr_desc
+                              (MCleanup
+                               (((instr_desc
+                                  (MIf
+                                   ((immediate_desc
+                                     (MImmBinding
+                                      (MLocalBind 11 (Unmanaged WasmI32))))
+                                    (immediate_analyses ((last_usage Last))))
+                                   (((instr_desc
+                                      (MDrop
+                                       ((instr_desc
+                                         (MSet (MLocalBind 4 Managed)
+                                          ((instr_desc
+                                            (MImmediate
+                                             ((immediate_desc
+                                               (MIncRef
+                                                ((immediate_desc
+                                                  (MImmBinding
+                                                   (MLocalBind 7 Managed)))
+                                                 (immediate_analyses
+                                                  ((last_usage Unknown))))))
+                                              (immediate_analyses
+                                               ((last_usage Unknown)))))))))))))
+                                    ((instr_desc
+                                      (MDrop
+                                       ((instr_desc
+                                         (MSet (MLocalBind 5 Managed)
+                                          ((instr_desc
+                                            (MImmediate
+                                             ((immediate_desc
+                                               (MIncRef
+                                                ((immediate_desc
+                                                  (MImmBinding
+                                                   (MLocalBind 9 Managed)))
+                                                 (immediate_analyses
+                                                  ((last_usage Unknown))))))
+                                              (immediate_analyses
+                                               ((last_usage Unknown)))))))))))))
+                                    ((instr_desc
+                                      (MDrop
+                                       ((instr_desc
+                                         (MSet (MLocalBind 6 Managed)
+                                          ((instr_desc
+                                            (MImmediate
+                                             ((immediate_desc
+                                               (MIncRef
+                                                ((immediate_desc
+                                                  (MImmBinding
+                                                   (MLocalBind 11 Managed)))
+                                                 (immediate_analyses
+                                                  ((last_usage Last))))))
+                                              (immediate_analyses
+                                               ((last_usage Unknown)))))))))))))
+                                    ((instr_desc
+                                      (MImmediate
+                                       ((immediate_desc
+                                         (MImmConst (MConstI32 3)))
+                                        (immediate_analyses
+                                         ((last_usage Unknown))))))))
+                                   (((instr_desc
+                                      (MImmediate
+                                       ((immediate_desc
+                                         (MImmConst (MConstI32 4)))
+                                        (immediate_analyses
+                                         ((last_usage Unknown))))))))))))
+                               (((immediate_desc
+                                  (MImmBinding (MLocalBind 11 Managed)))
+                                 (immediate_analyses ((last_usage Unknown)))))))))
+                           (((instr_desc
+                              (MStore
+                               (((MLocalBind 9 (Unmanaged WasmI32))
+                                 ((instr_desc
+                                   (MPrim2 Is
+                                    ((immediate_desc
+                                      (MImmBinding
+                                       (MLocalBind 7 (Unmanaged WasmI32))))
+                                     (immediate_analyses ((last_usage Last))))
+                                    ((immediate_desc
+                                      (MImmConst (MConstI32 1)))
+                                     (immediate_analyses
+                                      ((last_usage Unknown))))))))))))
+                            ((instr_desc
+                              (MIf
+                               ((immediate_desc
+                                 (MImmBinding
+                                  (MLocalBind 9 (Unmanaged WasmI32))))
+                                (immediate_analyses ((last_usage Last))))
+                               (((instr_desc
+                                  (MDrop
+                                   ((instr_desc
+                                     (MSet (MLocalBind 2 Managed)
+                                      ((instr_desc
+                                        (MImmediate
+                                         ((immediate_desc
+                                           (MIncRef
+                                            ((immediate_desc
+                                              (MImmBinding
+                                               (MLocalBind 7 Managed)))
+                                             (immediate_analyses
+                                              ((last_usage Unknown))))))
+                                          (immediate_analyses
+                                           ((last_usage Unknown)))))))))))))
+                                ((instr_desc
+                                  (MDrop
+                                   ((instr_desc
+                                     (MSet (MLocalBind 3 Managed)
+                                      ((instr_desc
+                                        (MImmediate
+                                         ((immediate_desc
+                                           (MIncRef
+                                            ((immediate_desc
+                                              (MImmBinding
+                                               (MLocalBind 9 Managed)))
+                                             (immediate_analyses
+                                              ((last_usage Last))))))
+                                          (immediate_analyses
+                                           ((last_usage Unknown)))))))))))))
+                                ((instr_desc
+                                  (MImmediate
+                                   ((immediate_desc
+                                     (MImmConst (MConstI32 2)))
+                                    (immediate_analyses
+                                     ((last_usage Unknown))))))))
+                               (((instr_desc
+                                  (MImmediate
+                                   ((immediate_desc
+                                     (MImmConst (MConstI32 4)))
+                                    (immediate_analyses
+                                     ((last_usage Unknown))))))))))))))))
+                       (((immediate_desc
+                          (MImmBinding (MLocalBind 10 Managed)))
+                         (immediate_analyses ((last_usage Unknown))))
+                        ((immediate_desc
+                          (MImmBinding (MLocalBind 9 Managed)))
+                         (immediate_analyses ((last_usage Unknown)))))))))
+                   (((instr_desc
+                      (MStore
+                       (((MLocalBind 6 (Unmanaged WasmI32))
+                         ((instr_desc
+                           (MPrim2 Is
+                            ((immediate_desc
+                              (MImmBinding
+                               (MLocalBind 4 (Unmanaged WasmI32))))
+                             (immediate_analyses ((last_usage Last))))
+                            ((immediate_desc (MImmConst (MConstI32 1)))
+                             (immediate_analyses ((last_usage Unknown))))))))))))
+                    ((instr_desc
+                      (MIf
+                       ((immediate_desc
+                         (MImmBinding (MLocalBind 6 (Unmanaged WasmI32))))
+                        (immediate_analyses ((last_usage Last))))
+                       (((instr_desc
+                          (MDrop
+                           ((instr_desc
+                             (MSet (MLocalBind 1 Managed)
+                              ((instr_desc
+                                (MImmediate
+                                 ((immediate_desc
+                                   (MIncRef
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 7 Managed)))
+                                     (immediate_analyses ((last_usage Last))))))
+                                  (immediate_analyses ((last_usage Unknown)))))))))))))
+                        ((instr_desc
+                          (MImmediate
+                           ((immediate_desc (MImmConst (MConstI32 1)))
+                            (immediate_analyses ((last_usage Unknown))))))))
+                       (((instr_desc
+                          (MImmediate
+                           ((immediate_desc (MImmConst (MConstI32 4)))
+                            (immediate_analyses ((last_usage Unknown))))))))))))))))
+               (((immediate_desc (MImmBinding (MLocalBind 8 Managed)))
+                 (immediate_analyses ((last_usage Unknown))))
+                ((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+                 (immediate_analyses ((last_usage Unknown)))))))))
+           (((instr_desc
+              (MStore
+               (((MLocalBind 3 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MPrim2 Is
+                    ((immediate_desc
+                      (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+                     (immediate_analyses ((last_usage Last))))
+                    ((immediate_desc (MImmConst (MConstI32 1)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MIf
+               ((immediate_desc
+                 (MImmBinding (MLocalBind 3 (Unmanaged WasmI32))))
+                (immediate_analyses ((last_usage Last))))
+               (((instr_desc
+                  (MImmediate
+                   ((immediate_desc (MImmConst (MConstI32 0)))
+                    (immediate_analyses ((last_usage Unknown))))))))
+               (((instr_desc
+                  (MImmediate
+                   ((immediate_desc MImmTrap)
+                    (immediate_analyses ((last_usage Unknown))))))))))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MCleanup
+      (((instr_desc
+         (MSwitch
+          ((immediate_desc (MImmBinding (MLocalBind 2 (Unmanaged WasmI32))))
+           (immediate_analyses ((last_usage Last))))
+          ((0
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc (MImmConst (MConstI32 0)))
+                 (immediate_analyses ((last_usage Unknown)))))))))
+           (1
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc
+                  (MIncRef
+                   ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+                    (immediate_analyses ((last_usage Last))))))
+                 (immediate_analyses ((last_usage Unknown)))))))))
+           (2
+            (((instr_desc
+               (MCleanup ()
+                (((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))))))
+             ((instr_desc
+               (MReturnCallKnown (func +_1143)
+                (closure
+                 ((immediate_desc
+                   (MIncRef
+                    ((immediate_desc
+                      (MImmBinding (MGlobalBind +_1143 Managed)))
+                     (immediate_analyses ((last_usage TailCallLast))))))
+                  (immediate_analyses ((last_usage Unknown)))))
+                (func_type ((Managed Managed) (Managed)))
+                (args
+                 (((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+                   (immediate_analyses ((last_usage Last))))
+                  ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+                   (immediate_analyses ((last_usage Last)))))))))))
+           (3
+            (((instr_desc
+               (MStore
+                (((MLocalBind 13 Managed)
+                  ((instr_desc
+                    (MCallKnown (func +_1143)
+                     (closure
+                      ((immediate_desc
+                        (MIncRef
+                         ((immediate_desc
+                           (MImmBinding (MGlobalBind +_1143 Managed)))
+                          (immediate_analyses ((last_usage Unknown))))))
+                       (immediate_analyses ((last_usage Unknown)))))
+                     (func_type ((Managed Managed) (Managed)))
+                     (args
+                      (((immediate_desc
+                         (MIncRef
+                          ((immediate_desc
+                            (MImmBinding (MLocalBind 4 Managed)))
+                           (immediate_analyses ((last_usage Last))))))
+                        (immediate_analyses ((last_usage Unknown))))
+                       ((immediate_desc
+                         (MIncRef
+                          ((immediate_desc
+                            (MImmBinding (MLocalBind 5 Managed)))
+                           (immediate_analyses ((last_usage Last))))))
+                        (immediate_analyses ((last_usage Unknown))))))))))))))
+             ((instr_desc
+               (MCleanup ()
+                (((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))))))
+             ((instr_desc
+               (MReturnCallKnown (func +_1143)
+                (closure
+                 ((immediate_desc
+                   (MIncRef
+                    ((immediate_desc
+                      (MImmBinding (MGlobalBind +_1143 Managed)))
+                     (immediate_analyses ((last_usage Last))))))
+                  (immediate_analyses ((last_usage Unknown)))))
+                (func_type ((Managed Managed) (Managed)))
+                (args
+                 (((immediate_desc (MImmBinding (MLocalBind 13 Managed)))
+                   (immediate_analyses ((last_usage Last))))
+                  ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+                   (immediate_analyses ((last_usage Last)))))))))))
+           (4
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc (MImmConst (MConstI32 999)))
+                 (immediate_analyses ((last_usage Unknown))))))))))
+          (((instr_desc
+             (MImmediate
+              ((immediate_desc MImmTrap)
+               (immediate_analyses ((last_usage Unknown))))))))
+          Managed))))
+      (((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 14) (stack_size_i32 12) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1146) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/pattern_matching.9561763b.0.snapshot b/compiler/test/__snapshots__/pattern_matching.9561763b.0.snapshot
index 6572cce0a..f11f48d59 100644
--- a/compiler/test/__snapshots__/pattern_matching.9561763b.0.snapshot
+++ b/compiler/test/__snapshots__/pattern_matching.9561763b.0.snapshot
@@ -1,791 +1,446 @@
 pattern matching › tuple_match_deep2
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1149 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1149 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (local $13 i32)
-  (local $14 i32)
-  (local $15 i32)
-  (local $16 i32)
-  (local $17 i32)
-  (local $18 i32)
-  (local $19 i32)
-  (local $20 i32)
-  (local $21 i32)
-  (local $22 i32)
-  (local $23 i32)
-  (local $24 i32)
-  (local $25 i32)
-  (local $26 i32)
-  (local $27 i32)
-  (local $28 i32)
-  (local $29 i32)
-  (local $30 i32)
-  (local $31 i32)
-  (local $32 i32)
-  (local $33 i32)
-  (block $compile_block.79 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_tuple.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 13)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 15)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_tuple.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 9)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (local.get $6)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.9
-    (local.set $8
-     (block $allocate_tuple.7 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (local.get $7)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $compile_store.12
-    (local.set $9
-     (block $allocate_tuple.10 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 5)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (local.get $8)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.11
-    )
-   )
-   (block $compile_store.15
-    (local.set $10
-     (block $allocate_tuple.13 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (local.get $9)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.14
-    )
-   )
-   (block $compile_store.17
-    (local.set $11
-     (i32.const 0)
-    )
-    (block $do_backpatches.16
-    )
-   )
-   (block $compile_store.19
-    (local.set $12
-     (i32.const 0)
-    )
-    (block $do_backpatches.18
-    )
-   )
-   (block $compile_store.21
-    (local.set $13
-     (i32.const 0)
-    )
-    (block $do_backpatches.20
-    )
-   )
-   (block $compile_store.23
-    (local.set $14
-     (i32.const 0)
-    )
-    (block $do_backpatches.22
-    )
-   )
-   (block $compile_store.25
-    (local.set $15
-     (i32.const 0)
-    )
-    (block $do_backpatches.24
-    )
-   )
-   (block $compile_store.27
-    (local.set $16
-     (i32.const 0)
-    )
-    (block $do_backpatches.26
-    )
-   )
-   (block $compile_store.29
-    (local.set $17
-     (i32.const 0)
-    )
-    (block $do_backpatches.28
-    )
-   )
-   (block $compile_store.31
-    (local.set $18
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (local.get $10)
-      )
-     )
-    )
-    (block $do_backpatches.30
-    )
-   )
-   (block $compile_store.33
-    (local.set $19
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=12
-       (local.get $10)
-      )
-     )
-    )
-    (block $do_backpatches.32
-    )
-   )
-   (block $cleanup.34
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $10)
-     )
-    )
-   )
-   (block $compile_store.36
-    (local.set $20
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (local.get $19)
-      )
-     )
-    )
-    (block $do_backpatches.35
-    )
-   )
-   (block $compile_store.38
-    (local.set $21
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=12
-       (local.get $19)
-      )
-     )
-    )
-    (block $do_backpatches.37
-    )
-   )
-   (block $cleanup.39
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $19)
-     )
-    )
-   )
-   (block $compile_store.41
-    (local.set $22
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (local.get $21)
-      )
-     )
-    )
-    (block $do_backpatches.40
-    )
-   )
-   (block $compile_store.43
-    (local.set $23
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=12
-       (local.get $21)
-      )
-     )
-    )
-    (block $do_backpatches.42
-    )
-   )
-   (block $cleanup.44
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $21)
-     )
-    )
-   )
-   (block $compile_store.46
-    (local.set $24
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (local.get $23)
-      )
-     )
-    )
-    (block $do_backpatches.45
-    )
-   )
-   (block $compile_store.48
-    (local.set $25
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=12
-       (local.get $23)
-      )
-     )
-    )
-    (block $do_backpatches.47
-    )
-   )
-   (block $compile_store.50
-    (local.set $26
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=16
-       (local.get $23)
-      )
-     )
-    )
-    (block $do_backpatches.49
-    )
-   )
-   (block $cleanup.51
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $23)
-     )
-    )
-   )
-   (block $compile_store.53
-    (local.set $27
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (local.get $26)
-      )
-     )
-    )
-    (block $do_backpatches.52
-    )
-   )
-   (block $compile_store.55
-    (local.set $28
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=12
-       (local.get $26)
-      )
-     )
-    )
-    (block $do_backpatches.54
-    )
-   )
-   (block $cleanup.56
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $26)
-     )
-    )
-   )
-   (drop
-    (block $compile_set.57 (result i32)
-     (local.set $11
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $18)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $11)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.58 (result i32)
-     (local.set $12
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $20)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $12)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.59 (result i32)
-     (local.set $13
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $22)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $13)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.60 (result i32)
-     (local.set $14
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $24)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $14)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.61 (result i32)
-     (local.set $15
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $25)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $15)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.62 (result i32)
-     (local.set $17
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $28)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $17)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.63 (result i32)
-     (local.set $16
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $27)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $16)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (tuple.extract 0
-    (tuple.make
-     (block $switch.65_outer (result i32)
-      (block $switch.65_branch_0 (result i32)
-       (drop
-        (block $switch.65_branch_1 (result i32)
-         (drop
-          (block $switch.65_default (result i32)
-           (br_table $switch.65_branch_1 $switch.65_default $switch.65_default
-            (i32.const 0)
-            (i32.shr_s
-             (i32.const 1)
-             (i32.const 1)
-            )
-           )
-          )
-         )
-         (br $switch.65_outer
-          (block $compile_block.78 (result i32)
-           (unreachable)
-          )
-         )
-        )
-       )
-       (br $switch.65_outer
-        (block $compile_block.77
-         (block $compile_store.67
-          (local.set $29
-           (call $+_1149
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (global.get $+_1149)
-            )
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (local.get $11)
-            )
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (local.get $12)
-            )
-           )
-          )
-          (block $do_backpatches.66
-          )
-         )
-         (block $compile_store.69
-          (local.set $30
-           (call $+_1149
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (global.get $+_1149)
-            )
-            (local.get $29)
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (local.get $13)
-            )
-           )
-          )
-          (block $do_backpatches.68
-          )
-         )
-         (block $compile_store.71
-          (local.set $31
-           (call $+_1149
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (global.get $+_1149)
-            )
-            (local.get $30)
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (local.get $14)
-            )
-           )
-          )
-          (block $do_backpatches.70
-          )
-         )
-         (block $compile_store.73
-          (local.set $32
-           (call $+_1149
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (global.get $+_1149)
-            )
-            (local.get $31)
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (local.get $15)
-            )
-           )
-          )
-          (block $do_backpatches.72
-          )
-         )
-         (block $compile_store.75
-          (local.set $33
-           (call $+_1149
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (global.get $+_1149)
-            )
-            (local.get $32)
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (local.get $16)
-            )
-           )
-          )
-          (block $do_backpatches.74
-          )
-         )
-         (block $cleanup.76
-          (drop
-           (call $decRef_0
-            (global.get $GRAIN$EXPORT$decRef_0)
-            (local.get $11)
-           )
-          )
-          (drop
-           (call $decRef_0
-            (global.get $GRAIN$EXPORT$decRef_0)
-            (local.get $12)
-           )
-          )
-          (drop
-           (call $decRef_0
-            (global.get $GRAIN$EXPORT$decRef_0)
-            (local.get $13)
-           )
-          )
-          (drop
-           (call $decRef_0
-            (global.get $GRAIN$EXPORT$decRef_0)
-            (local.get $14)
-           )
-          )
-          (drop
-           (call $decRef_0
-            (global.get $GRAIN$EXPORT$decRef_0)
-            (local.get $15)
-           )
-          )
-          (drop
-           (call $decRef_0
-            (global.get $GRAIN$EXPORT$decRef_0)
-            (local.get $16)
-           )
-          )
-         )
-         (return_call $+_1149
-          (call $incRef_0
-           (global.get $GRAIN$EXPORT$incRef_0)
-           (global.get $+_1149)
-          )
-          (local.get $33)
-          (local.get $17)
-         )
-        )
-       )
-      )
-     )
-     (block $cleanup.64 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $11)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $12)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $13)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $14)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $15)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $16)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $17)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1149) (name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1149) (name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 6)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 7)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 4)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 5)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 5 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 6 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 7 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 8 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 9 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 10 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 11 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 12 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 13 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 1)
+           ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 14 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 13 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 15 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 1)
+           ((immediate_desc (MImmBinding (MLocalBind 13 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 13 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 16 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 15 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 17 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 1)
+           ((immediate_desc (MImmBinding (MLocalBind 15 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 15 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 18 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 17 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 19 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 1)
+           ((immediate_desc (MImmBinding (MLocalBind 17 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 20 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 2)
+           ((immediate_desc (MImmBinding (MLocalBind 17 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 17 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 21 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 20 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 22 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 1)
+           ((immediate_desc (MImmBinding (MLocalBind 20 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 20 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MLocalBind 5 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 12 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MLocalBind 6 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 14 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MLocalBind 7 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 16 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MLocalBind 8 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 18 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MLocalBind 9 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 19 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MLocalBind 11 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 22 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MLocalBind 10 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 21 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MCleanup
+      (((instr_desc
+         (MSwitch
+          ((immediate_desc (MImmConst (MConstI32 0)))
+           (immediate_analyses ((last_usage Unknown))))
+          ((0
+            (((instr_desc
+               (MStore
+                (((MLocalBind 23 Managed)
+                  ((instr_desc
+                    (MCallKnown (func +_1149)
+                     (closure
+                      ((immediate_desc
+                        (MIncRef
+                         ((immediate_desc
+                           (MImmBinding (MGlobalBind +_1149 Managed)))
+                          (immediate_analyses ((last_usage Unknown))))))
+                       (immediate_analyses ((last_usage Unknown)))))
+                     (func_type ((Managed Managed) (Managed)))
+                     (args
+                      (((immediate_desc
+                         (MIncRef
+                          ((immediate_desc
+                            (MImmBinding (MLocalBind 5 Managed)))
+                           (immediate_analyses ((last_usage Last))))))
+                        (immediate_analyses ((last_usage Unknown))))
+                       ((immediate_desc
+                         (MIncRef
+                          ((immediate_desc
+                            (MImmBinding (MLocalBind 6 Managed)))
+                           (immediate_analyses ((last_usage Last))))))
+                        (immediate_analyses ((last_usage Unknown))))))))))))))
+             ((instr_desc
+               (MStore
+                (((MLocalBind 24 Managed)
+                  ((instr_desc
+                    (MCallKnown (func +_1149)
+                     (closure
+                      ((immediate_desc
+                        (MIncRef
+                         ((immediate_desc
+                           (MImmBinding (MGlobalBind +_1149 Managed)))
+                          (immediate_analyses ((last_usage Unknown))))))
+                       (immediate_analyses ((last_usage Unknown)))))
+                     (func_type ((Managed Managed) (Managed)))
+                     (args
+                      (((immediate_desc
+                         (MImmBinding (MLocalBind 23 Managed)))
+                        (immediate_analyses ((last_usage Last))))
+                       ((immediate_desc
+                         (MIncRef
+                          ((immediate_desc
+                            (MImmBinding (MLocalBind 7 Managed)))
+                           (immediate_analyses ((last_usage Last))))))
+                        (immediate_analyses ((last_usage Unknown))))))))))))))
+             ((instr_desc
+               (MStore
+                (((MLocalBind 25 Managed)
+                  ((instr_desc
+                    (MCallKnown (func +_1149)
+                     (closure
+                      ((immediate_desc
+                        (MIncRef
+                         ((immediate_desc
+                           (MImmBinding (MGlobalBind +_1149 Managed)))
+                          (immediate_analyses ((last_usage Unknown))))))
+                       (immediate_analyses ((last_usage Unknown)))))
+                     (func_type ((Managed Managed) (Managed)))
+                     (args
+                      (((immediate_desc
+                         (MImmBinding (MLocalBind 24 Managed)))
+                        (immediate_analyses ((last_usage Last))))
+                       ((immediate_desc
+                         (MIncRef
+                          ((immediate_desc
+                            (MImmBinding (MLocalBind 8 Managed)))
+                           (immediate_analyses ((last_usage Last))))))
+                        (immediate_analyses ((last_usage Unknown))))))))))))))
+             ((instr_desc
+               (MStore
+                (((MLocalBind 26 Managed)
+                  ((instr_desc
+                    (MCallKnown (func +_1149)
+                     (closure
+                      ((immediate_desc
+                        (MIncRef
+                         ((immediate_desc
+                           (MImmBinding (MGlobalBind +_1149 Managed)))
+                          (immediate_analyses ((last_usage Unknown))))))
+                       (immediate_analyses ((last_usage Unknown)))))
+                     (func_type ((Managed Managed) (Managed)))
+                     (args
+                      (((immediate_desc
+                         (MImmBinding (MLocalBind 25 Managed)))
+                        (immediate_analyses ((last_usage Last))))
+                       ((immediate_desc
+                         (MIncRef
+                          ((immediate_desc
+                            (MImmBinding (MLocalBind 9 Managed)))
+                           (immediate_analyses ((last_usage Last))))))
+                        (immediate_analyses ((last_usage Unknown))))))))))))))
+             ((instr_desc
+               (MStore
+                (((MLocalBind 27 Managed)
+                  ((instr_desc
+                    (MCallKnown (func +_1149)
+                     (closure
+                      ((immediate_desc
+                        (MIncRef
+                         ((immediate_desc
+                           (MImmBinding (MGlobalBind +_1149 Managed)))
+                          (immediate_analyses ((last_usage Unknown))))))
+                       (immediate_analyses ((last_usage Unknown)))))
+                     (func_type ((Managed Managed) (Managed)))
+                     (args
+                      (((immediate_desc
+                         (MImmBinding (MLocalBind 26 Managed)))
+                        (immediate_analyses ((last_usage Last))))
+                       ((immediate_desc
+                         (MIncRef
+                          ((immediate_desc
+                            (MImmBinding (MLocalBind 10 Managed)))
+                           (immediate_analyses ((last_usage Last))))))
+                        (immediate_analyses ((last_usage Unknown))))))))))))))
+             ((instr_desc
+               (MCleanup ()
+                (((immediate_desc (MImmBinding (MLocalBind 10 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 9 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 8 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))))))
+             ((instr_desc
+               (MReturnCallKnown (func +_1149)
+                (closure
+                 ((immediate_desc
+                   (MIncRef
+                    ((immediate_desc
+                      (MImmBinding (MGlobalBind +_1149 Managed)))
+                     (immediate_analyses ((last_usage Last))))))
+                  (immediate_analyses ((last_usage Unknown)))))
+                (func_type ((Managed Managed) (Managed)))
+                (args
+                 (((immediate_desc (MImmBinding (MLocalBind 27 Managed)))
+                   (immediate_analyses ((last_usage Last))))
+                  ((immediate_desc (MImmBinding (MLocalBind 11 Managed)))
+                   (immediate_analyses ((last_usage Last))))))))))))
+          (((instr_desc
+             (MImmediate
+              ((immediate_desc MImmTrap)
+               (immediate_analyses ((last_usage Unknown))))))))
+          Managed))))
+      (((immediate_desc (MImmBinding (MLocalBind 11 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 10 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 9 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 8 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 28) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1155) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/pattern_matching.98756c45.0.snapshot b/compiler/test/__snapshots__/pattern_matching.98756c45.0.snapshot
index 46e652003..a62c665e7 100644
--- a/compiler/test/__snapshots__/pattern_matching.98756c45.0.snapshot
+++ b/compiler/test/__snapshots__/pattern_matching.98756c45.0.snapshot
@@ -1,225 +1,93 @@
 pattern matching › record_match_deep
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (block $compile_block.20 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_record.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 3)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1047233621)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2227)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 9)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_record.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 3)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 610197211)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2229)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (local.get $6)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.8
-    (local.set $8
-     (i32.const 0)
-    )
-    (block $do_backpatches.7
-    )
-   )
-   (block $compile_store.10
-    (local.set $9
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=16
-       (local.get $7)
-      )
-     )
-    )
-    (block $do_backpatches.9
-    )
-   )
-   (block $cleanup.11
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $7)
-     )
-    )
-   )
-   (block $compile_store.13
-    (local.set $10
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=16
-       (local.get $9)
-      )
-     )
-    )
-    (block $do_backpatches.12
-    )
-   )
-   (block $cleanup.14
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $9)
-     )
-    )
-   )
-   (drop
-    (block $compile_set.15 (result i32)
-     (local.set $8
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $10)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $8)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (tuple.extract 0
-    (tuple.make
-     (block $switch.17_outer (result i32)
-      (block $switch.17_branch_0 (result i32)
-       (drop
-        (block $switch.17_branch_1 (result i32)
-         (drop
-          (block $switch.17_default (result i32)
-           (br_table $switch.17_branch_1 $switch.17_default $switch.17_default
-            (i32.const 0)
-            (i32.shr_s
-             (i32.const 1)
-             (i32.const 1)
-            )
-           )
-          )
-         )
-         (br $switch.17_outer
-          (block $compile_block.19 (result i32)
-           (unreachable)
-          )
-         )
-        )
-       )
-       (br $switch.17_outer
-        (block $compile_block.18 (result i32)
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (local.get $8)
-         )
-        )
-       )
-      )
-     )
-     (block $cleanup.16 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $8)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 606
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MRecord
+            ((immediate_desc (MImmConst (MConstI32 523616810)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1113)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((foo)
+              ((immediate_desc (MImmConst (MConstI32 4)))
+               (immediate_analyses ((last_usage Unknown)))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MRecord
+            ((immediate_desc (MImmConst (MConstI32 305098605)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1114)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((bar)
+              ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+               (immediate_analyses ((last_usage Last)))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MRecordOp (MRecordGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 Managed)
+        ((instr_desc
+          (MRecordOp (MRecordGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MLocalBind 2 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MCleanup
+      (((instr_desc
+         (MSwitch
+          ((immediate_desc (MImmConst (MConstI32 0)))
+           (immediate_analyses ((last_usage Unknown))))
+          ((0
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc
+                  (MIncRef
+                   ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+                    (immediate_analyses ((last_usage Last))))))
+                 (immediate_analyses ((last_usage Unknown))))))))))
+          (((instr_desc
+             (MImmediate
+              ((immediate_desc MImmTrap)
+               (immediate_analyses ((last_usage Unknown))))))))
+          Managed))))
+      (((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 5) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1125) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/pattern_matching.9ffaa7a7.0.snapshot b/compiler/test/__snapshots__/pattern_matching.9ffaa7a7.0.snapshot
index fd6241d72..40e5c01e4 100644
--- a/compiler/test/__snapshots__/pattern_matching.9ffaa7a7.0.snapshot
+++ b/compiler/test/__snapshots__/pattern_matching.9ffaa7a7.0.snapshot
@@ -1,242 +1,168 @@
 pattern matching › low_level_constant_match_4
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$print\" (global $print_1116 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"print\" (func $print_1116 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (block $compile_block.28 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_adt.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 501102191)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.5
-    (local.set $7
-     (select
-      (i32.const -2)
-      (i32.const 2147483646)
-      (f64.eq
-       (f64.const 1)
-       (f64.const 0)
-      )
-     )
-    )
-    (block $do_backpatches.4
-    )
-   )
-   (block $compile_store.17
-    (local.set $8
-     (if (result i32)
-      (i32.shr_u
-       (local.get $7)
-       (i32.const 31)
-      )
-      (block $compile_block.6 (result i32)
-       (i32.const 1)
-      )
-      (block $compile_block.15 (result i32)
-       (block $compile_store.8
-        (local.set $9
-         (select
-          (i32.const -2)
-          (i32.const 2147483646)
-          (f64.eq
-           (f64.const 1)
-           (f64.const 1)
-          )
-         )
-        )
-        (block $do_backpatches.7
-        )
-       )
-       (if (result i32)
-        (i32.shr_u
-         (local.get $9)
-         (i32.const 31)
-        )
-        (block $compile_block.9 (result i32)
-         (i32.const 3)
-        )
-        (block $compile_block.14 (result i32)
-         (block $compile_store.11
-          (local.set $10
-           (select
-            (i32.const -2)
-            (i32.const 2147483646)
-            (f64.eq
-             (f64.const 1)
-             (f64.const 2)
-            )
-           )
-          )
-          (block $do_backpatches.10
-          )
-         )
-         (if (result i32)
-          (i32.shr_u
-           (local.get $10)
-           (i32.const 31)
-          )
-          (block $compile_block.12 (result i32)
-           (i32.const 5)
-          )
-          (block $compile_block.13 (result i32)
-           (i32.const 7)
-          )
-         )
-        )
-       )
-      )
-     )
-    )
-    (block $do_backpatches.16
-    )
-   )
-   (block $compile_store.25
-    (local.set $11
-     (block $switch.18_outer (result i32)
-      (block $switch.18_branch_0 (result i32)
-       (drop
-        (block $switch.18_branch_1 (result i32)
-         (drop
-          (block $switch.18_branch_2 (result i32)
-           (drop
-            (block $switch.18_branch_3 (result i32)
-             (drop
-              (block $switch.18_branch_4 (result i32)
-               (drop
-                (block $switch.18_default (result i32)
-                 (br_table $switch.18_branch_1 $switch.18_branch_2 $switch.18_branch_3 $switch.18_branch_4 $switch.18_default $switch.18_default
-                  (i32.const 0)
-                  (i32.shr_s
-                   (local.get $8)
-                   (i32.const 1)
-                  )
-                 )
-                )
-               )
-               (br $switch.18_outer
-                (block $compile_block.23 (result i32)
-                 (unreachable)
-                )
-               )
-              )
-             )
-             (br $switch.18_outer
-              (block $compile_block.22 (result i32)
-               (i32.const 2147483646)
-              )
-             )
-            )
-           )
-           (br $switch.18_outer
-            (block $compile_block.21 (result i32)
-             (i32.const 2147483646)
-            )
-           )
-          )
-         )
-         (br $switch.18_outer
-          (block $compile_block.20 (result i32)
-           (i32.const -2)
-          )
-         )
-        )
-       )
-       (br $switch.18_outer
-        (block $compile_block.19 (result i32)
-         (i32.const 2147483646)
-        )
-       )
-      )
-     )
-    )
-    (block $do_backpatches.24
-    )
-   )
-   (block $compile_store.27
-    (local.set $12
-     (call $print_1116
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $print_1116)
-      )
-      (local.get $11)
-      (local.get $6)
-     )
-    )
-    (block $do_backpatches.26
-    )
-   )
-   (i32.const 1)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1116) (name print))) (mimp_mod pervasives.gr)
+    (mimp_name print)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1116) (name print))) (mimp_mod pervasives.gr)
+    (mimp_name print) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 250551095)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 3)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MPrim2
+           (WasmBinaryF64 (wasm_op Op_eq_float64)
+            (arg_types (Wasm_float64 Wasm_float64)) (ret_type Grain_bool))
+           ((immediate_desc
+             (MImmConst (MConstLiteral (MConstF64 4607182418800017408))))
+            (immediate_analyses ((last_usage Unknown))))
+           ((immediate_desc (MImmConst (MConstLiteral (MConstF64 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 (Unmanaged WasmI32))
+        ((instr_desc
+          (MIf
+           ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Last))))
+           (((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmConst (MConstI32 0)))
+                (immediate_analyses ((last_usage Unknown))))))))
+           (((instr_desc
+              (MStore
+               (((MLocalBind 2 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MPrim2
+                    (WasmBinaryF64 (wasm_op Op_eq_float64)
+                     (arg_types (Wasm_float64 Wasm_float64))
+                     (ret_type Grain_bool))
+                    ((immediate_desc
+                      (MImmConst
+                       (MConstLiteral (MConstF64 4607182418800017408))))
+                     (immediate_analyses ((last_usage Unknown))))
+                    ((immediate_desc
+                      (MImmConst
+                       (MConstLiteral (MConstF64 4607182418800017408))))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MIf
+               ((immediate_desc
+                 (MImmBinding (MLocalBind 2 (Unmanaged WasmI32))))
+                (immediate_analyses ((last_usage Last))))
+               (((instr_desc
+                  (MImmediate
+                   ((immediate_desc (MImmConst (MConstI32 1)))
+                    (immediate_analyses ((last_usage Unknown))))))))
+               (((instr_desc
+                  (MStore
+                   (((MLocalBind 3 (Unmanaged WasmI32))
+                     ((instr_desc
+                       (MPrim2
+                        (WasmBinaryF64 (wasm_op Op_eq_float64)
+                         (arg_types (Wasm_float64 Wasm_float64))
+                         (ret_type Grain_bool))
+                        ((immediate_desc
+                          (MImmConst
+                           (MConstLiteral (MConstF64 4607182418800017408))))
+                         (immediate_analyses ((last_usage Unknown))))
+                        ((immediate_desc
+                          (MImmConst
+                           (MConstLiteral (MConstF64 4611686018427387904))))
+                         (immediate_analyses ((last_usage Unknown))))))))))))
+                ((instr_desc
+                  (MIf
+                   ((immediate_desc
+                     (MImmBinding (MLocalBind 3 (Unmanaged WasmI32))))
+                    (immediate_analyses ((last_usage Last))))
+                   (((instr_desc
+                      (MImmediate
+                       ((immediate_desc (MImmConst (MConstI32 2)))
+                        (immediate_analyses ((last_usage Unknown))))))))
+                   (((instr_desc
+                      (MImmediate
+                       ((immediate_desc (MImmConst (MConstI32 3)))
+                        (immediate_analyses ((last_usage Unknown))))))))))))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 (Unmanaged WasmI32))
+        ((instr_desc
+          (MSwitch
+           ((immediate_desc (MImmBinding (MLocalBind 1 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Last))))
+           ((0
+             (((instr_desc
+                (MImmediate
+                 ((immediate_desc
+                   (MImmConst (MConstLiteral (MConstI32 2147483646))))
+                  (immediate_analyses ((last_usage Unknown)))))))))
+            (1
+             (((instr_desc
+                (MImmediate
+                 ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+                  (immediate_analyses ((last_usage Unknown)))))))))
+            (2
+             (((instr_desc
+                (MImmediate
+                 ((immediate_desc
+                   (MImmConst (MConstLiteral (MConstI32 2147483646))))
+                  (immediate_analyses ((last_usage Unknown)))))))))
+            (3
+             (((instr_desc
+                (MImmediate
+                 ((immediate_desc
+                   (MImmConst (MConstLiteral (MConstI32 2147483646))))
+                  (immediate_analyses ((last_usage Unknown))))))))))
+           (((instr_desc
+              (MImmediate
+               ((immediate_desc MImmTrap)
+                (immediate_analyses ((last_usage Unknown))))))))
+           (Unmanaged WasmI32)))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 5 (Unmanaged WasmI32))
+        ((instr_desc
+          (MCallKnown (func print_1116)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc
+                 (MImmBinding (MGlobalBind print_1116 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type (((Unmanaged WasmI32) Managed) ((Unmanaged WasmI32))))
+           (args
+            (((immediate_desc
+               (MImmBinding (MLocalBind 4 (Unmanaged WasmI32))))
+              (immediate_analyses ((last_usage Last))))
+             ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstI32 0)))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 6) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1125) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/pattern_matching.aa8d2963.0.snapshot b/compiler/test/__snapshots__/pattern_matching.aa8d2963.0.snapshot
index 5a15c3c93..5292523a2 100644
--- a/compiler/test/__snapshots__/pattern_matching.aa8d2963.0.snapshot
+++ b/compiler/test/__snapshots__/pattern_matching.aa8d2963.0.snapshot
@@ -1,431 +1,247 @@
 pattern matching › guarded_match_4
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$==\" (global $==_1126 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"==\" (func $==_1126 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (local $13 i32)
-  (local $14 i32)
-  (local $15 i32)
-  (block $compile_block.39 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_tuple.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 17)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 5)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 7)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.5
-    (local.set $7
-     (i32.const 0)
-    )
-    (block $do_backpatches.4
-    )
-   )
-   (block $compile_store.7
-    (local.set $8
-     (i32.const 0)
-    )
-    (block $do_backpatches.6
-    )
-   )
-   (block $compile_store.9
-    (local.set $9
-     (i32.const 0)
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $compile_store.11
-    (local.set $10
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (local.get $6)
-      )
-     )
-    )
-    (block $do_backpatches.10
-    )
-   )
-   (block $compile_store.13
-    (local.set $11
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=12
-       (local.get $6)
-      )
-     )
-    )
-    (block $do_backpatches.12
-    )
-   )
-   (block $compile_store.15
-    (local.set $12
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=16
-       (local.get $6)
-      )
-     )
-    )
-    (block $do_backpatches.14
-    )
-   )
-   (block $cleanup.16
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $6)
-     )
-    )
-   )
-   (drop
-    (block $compile_set.17 (result i32)
-     (local.set $9
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (local.get $12)
-         )
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $9)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.18 (result i32)
-     (local.set $8
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (local.get $11)
-         )
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $8)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.19 (result i32)
-     (local.set $7
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (local.get $10)
-         )
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $7)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (block $compile_store.21
-    (local.set $13
-     (call $==_1126
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $==_1126)
-      )
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (local.get $7)
-      )
-      (i32.const 5)
-     )
-    )
-    (block $do_backpatches.20
-    )
-   )
-   (block $compile_store.25
-    (local.set $14
-     (if (result i32)
-      (i32.shr_u
-       (local.get $13)
-       (i32.const 31)
-      )
-      (block $compile_block.22 (result i32)
-       (call $==_1126
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (global.get $==_1126)
-        )
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $9)
-        )
-        (i32.const 7)
-       )
-      )
-      (block $compile_block.23 (result i32)
-       (local.get $13)
-      )
-     )
-    )
-    (block $do_backpatches.24
-    )
-   )
-   (block $compile_store.32
-    (local.set $15
-     (if (result i32)
-      (i32.shr_u
-       (local.get $14)
-       (i32.const 31)
-      )
-      (block $compile_block.29 (result i32)
-       (drop
-        (block $compile_set.26 (result i32)
-         (local.set $9
-          (tuple.extract 0
-           (tuple.make
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (call $incRef_0
-              (global.get $GRAIN$EXPORT$incRef_0)
-              (local.get $12)
-             )
-            )
-            (call $decRef_0
-             (global.get $GRAIN$EXPORT$decRef_0)
-             (local.get $9)
-            )
-           )
-          )
-         )
-         (i32.const 1879048190)
-        )
-       )
-       (drop
-        (block $compile_set.27 (result i32)
-         (local.set $8
-          (tuple.extract 0
-           (tuple.make
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (call $incRef_0
-              (global.get $GRAIN$EXPORT$incRef_0)
-              (local.get $11)
-             )
-            )
-            (call $decRef_0
-             (global.get $GRAIN$EXPORT$decRef_0)
-             (local.get $8)
-            )
-           )
-          )
-         )
-         (i32.const 1879048190)
-        )
-       )
-       (drop
-        (block $compile_set.28 (result i32)
-         (local.set $7
-          (tuple.extract 0
-           (tuple.make
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (call $incRef_0
-              (global.get $GRAIN$EXPORT$incRef_0)
-              (local.get $10)
-             )
-            )
-            (call $decRef_0
-             (global.get $GRAIN$EXPORT$decRef_0)
-             (local.get $7)
-            )
-           )
-          )
-         )
-         (i32.const 1879048190)
-        )
-       )
-       (i32.const 1)
-      )
-      (block $compile_block.30 (result i32)
-       (i32.const 3)
-      )
-     )
-    )
-    (block $do_backpatches.31
-    )
-   )
-   (block $cleanup.33
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $10)
-     )
-    )
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $11)
-     )
-    )
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $12)
-     )
-    )
-   )
-   (tuple.extract 0
-    (tuple.make
-     (block $switch.35_outer (result i32)
-      (block $switch.35_branch_0 (result i32)
-       (drop
-        (block $switch.35_branch_1 (result i32)
-         (drop
-          (block $switch.35_branch_2 (result i32)
-           (drop
-            (block $switch.35_default (result i32)
-             (br_table $switch.35_branch_1 $switch.35_branch_2 $switch.35_default $switch.35_default
-              (i32.const 0)
-              (i32.shr_s
-               (local.get $15)
-               (i32.const 1)
-              )
-             )
-            )
-           )
-           (br $switch.35_outer
-            (block $compile_block.38 (result i32)
-             (unreachable)
-            )
-           )
-          )
-         )
-         (br $switch.35_outer
-          (block $compile_block.37 (result i32)
-           (i32.const 199)
-          )
-         )
-        )
-       )
-       (br $switch.35_outer
-        (block $compile_block.36 (result i32)
-         (i32.const 85)
-        )
-       )
-      )
-     )
-     (block $cleanup.34 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $7)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $8)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $9)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1126) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1126) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 8)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 5 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 1)
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 6 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 2)
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MLocalBind 3 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+                (immediate_analyses ((last_usage Unknown))))))
+             (immediate_analyses ((last_usage Unknown)))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MLocalBind 2 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+                (immediate_analyses ((last_usage Unknown))))))
+             (immediate_analyses ((last_usage Unknown)))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MLocalBind 1 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+                (immediate_analyses ((last_usage Unknown))))))
+             (immediate_analyses ((last_usage Unknown)))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MCallKnown (func ==_1126)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind ==_1126 Managed)))
+                (immediate_analyses ((last_usage Unknown))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+           (args
+            (((immediate_desc
+               (MIncRef
+                ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+                 (immediate_analyses ((last_usage Unknown))))))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 (Unmanaged WasmI32))
+        ((instr_desc
+          (MIf
+           ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Unknown))))
+           (((instr_desc
+              (MCallKnown (func ==_1126)
+               (closure
+                ((immediate_desc
+                  (MIncRef
+                   ((immediate_desc
+                     (MImmBinding (MGlobalBind ==_1126 Managed)))
+                    (immediate_analyses ((last_usage Last))))))
+                 (immediate_analyses ((last_usage Unknown)))))
+               (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+               (args
+                (((immediate_desc
+                   (MIncRef
+                    ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+                     (immediate_analyses ((last_usage Unknown))))))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmConst (MConstI32 3)))
+                  (immediate_analyses ((last_usage Unknown))))))))))
+           (((instr_desc
+              (MImmediate
+               ((immediate_desc
+                 (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+                (immediate_analyses ((last_usage Last))))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 (Unmanaged WasmI32))
+        ((instr_desc
+          (MIf
+           ((immediate_desc (MImmBinding (MLocalBind 1 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Last))))
+           (((instr_desc
+              (MDrop
+               ((instr_desc
+                 (MSet (MLocalBind 3 Managed)
+                  ((instr_desc
+                    (MImmediate
+                     ((immediate_desc
+                       (MIncRef
+                        ((immediate_desc
+                          (MImmBinding (MLocalBind 6 Managed)))
+                         (immediate_analyses ((last_usage Last))))))
+                      (immediate_analyses ((last_usage Unknown)))))))))))))
+            ((instr_desc
+              (MDrop
+               ((instr_desc
+                 (MSet (MLocalBind 2 Managed)
+                  ((instr_desc
+                    (MImmediate
+                     ((immediate_desc
+                       (MIncRef
+                        ((immediate_desc
+                          (MImmBinding (MLocalBind 5 Managed)))
+                         (immediate_analyses ((last_usage Last))))))
+                      (immediate_analyses ((last_usage Unknown)))))))))))))
+            ((instr_desc
+              (MDrop
+               ((instr_desc
+                 (MSet (MLocalBind 1 Managed)
+                  ((instr_desc
+                    (MImmediate
+                     ((immediate_desc
+                       (MIncRef
+                        ((immediate_desc
+                          (MImmBinding (MLocalBind 4 Managed)))
+                         (immediate_analyses ((last_usage Last))))))
+                      (immediate_analyses ((last_usage Unknown)))))))))))))
+            ((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmConst (MConstI32 0)))
+                (immediate_analyses ((last_usage Unknown))))))))
+           (((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmConst (MConstI32 1)))
+                (immediate_analyses ((last_usage Unknown))))))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MCleanup
+      (((instr_desc
+         (MSwitch
+          ((immediate_desc (MImmBinding (MLocalBind 2 (Unmanaged WasmI32))))
+           (immediate_analyses ((last_usage Last))))
+          ((0
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc (MImmConst (MConstI32 42)))
+                 (immediate_analyses ((last_usage Unknown)))))))))
+           (1
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc (MImmConst (MConstI32 99)))
+                 (immediate_analyses ((last_usage Unknown))))))))))
+          (((instr_desc
+             (MImmediate
+              ((immediate_desc MImmTrap)
+               (immediate_analyses ((last_usage Unknown))))))))
+          Managed))))
+      (((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 7) (stack_size_i32 3) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1132) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/pattern_matching.ac58ffc3.0.snapshot b/compiler/test/__snapshots__/pattern_matching.ac58ffc3.0.snapshot
index 4ee68d69f..ff105cd71 100644
--- a/compiler/test/__snapshots__/pattern_matching.ac58ffc3.0.snapshot
+++ b/compiler/test/__snapshots__/pattern_matching.ac58ffc3.0.snapshot
@@ -1,402 +1,217 @@
 pattern matching › guarded_match_1
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$==\" (global $==_1125 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"==\" (func $==_1125 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (local $13 i32)
-  (local $14 i32)
-  (block $compile_block.35 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_tuple.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 5)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 7)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.5
-    (local.set $7
-     (i32.const 0)
-    )
-    (block $do_backpatches.4
-    )
-   )
-   (block $compile_store.7
-    (local.set $8
-     (i32.const 0)
-    )
-    (block $do_backpatches.6
-    )
-   )
-   (block $compile_store.9
-    (local.set $9
-     (i32.const 0)
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $compile_store.11
-    (local.set $10
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (local.get $6)
-      )
-     )
-    )
-    (block $do_backpatches.10
-    )
-   )
-   (block $compile_store.13
-    (local.set $11
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=12
-       (local.get $6)
-      )
-     )
-    )
-    (block $do_backpatches.12
-    )
-   )
-   (block $compile_store.15
-    (local.set $12
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=16
-       (local.get $6)
-      )
-     )
-    )
-    (block $do_backpatches.14
-    )
-   )
-   (block $cleanup.16
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $6)
-     )
-    )
-   )
-   (drop
-    (block $compile_set.17 (result i32)
-     (local.set $9
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (local.get $12)
-         )
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $9)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.18 (result i32)
-     (local.set $8
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (local.get $11)
-         )
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $8)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.19 (result i32)
-     (local.set $7
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (local.get $10)
-         )
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $7)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (block $compile_store.21
-    (local.set $13
-     (call $==_1125
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $==_1125)
-      )
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (local.get $7)
-      )
-      (i32.const 3)
-     )
-    )
-    (block $do_backpatches.20
-    )
-   )
-   (block $compile_store.28
-    (local.set $14
-     (if (result i32)
-      (i32.shr_u
-       (local.get $13)
-       (i32.const 31)
-      )
-      (block $compile_block.25 (result i32)
-       (drop
-        (block $compile_set.22 (result i32)
-         (local.set $9
-          (tuple.extract 0
-           (tuple.make
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (call $incRef_0
-              (global.get $GRAIN$EXPORT$incRef_0)
-              (local.get $12)
-             )
-            )
-            (call $decRef_0
-             (global.get $GRAIN$EXPORT$decRef_0)
-             (local.get $9)
-            )
-           )
-          )
-         )
-         (i32.const 1879048190)
-        )
-       )
-       (drop
-        (block $compile_set.23 (result i32)
-         (local.set $8
-          (tuple.extract 0
-           (tuple.make
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (call $incRef_0
-              (global.get $GRAIN$EXPORT$incRef_0)
-              (local.get $11)
-             )
-            )
-            (call $decRef_0
-             (global.get $GRAIN$EXPORT$decRef_0)
-             (local.get $8)
-            )
-           )
-          )
-         )
-         (i32.const 1879048190)
-        )
-       )
-       (drop
-        (block $compile_set.24 (result i32)
-         (local.set $7
-          (tuple.extract 0
-           (tuple.make
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (call $incRef_0
-              (global.get $GRAIN$EXPORT$incRef_0)
-              (local.get $10)
-             )
-            )
-            (call $decRef_0
-             (global.get $GRAIN$EXPORT$decRef_0)
-             (local.get $7)
-            )
-           )
-          )
-         )
-         (i32.const 1879048190)
-        )
-       )
-       (i32.const 1)
-      )
-      (block $compile_block.26 (result i32)
-       (i32.const 3)
-      )
-     )
-    )
-    (block $do_backpatches.27
-    )
-   )
-   (block $cleanup.29
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $10)
-     )
-    )
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $11)
-     )
-    )
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $12)
-     )
-    )
-   )
-   (tuple.extract 0
-    (tuple.make
-     (block $switch.31_outer (result i32)
-      (block $switch.31_branch_0 (result i32)
-       (drop
-        (block $switch.31_branch_1 (result i32)
-         (drop
-          (block $switch.31_branch_2 (result i32)
-           (drop
-            (block $switch.31_default (result i32)
-             (br_table $switch.31_branch_1 $switch.31_branch_2 $switch.31_default $switch.31_default
-              (i32.const 0)
-              (i32.shr_s
-               (local.get $14)
-               (i32.const 1)
-              )
-             )
-            )
-           )
-           (br $switch.31_outer
-            (block $compile_block.34 (result i32)
-             (unreachable)
-            )
-           )
-          )
-         )
-         (br $switch.31_outer
-          (block $compile_block.33 (result i32)
-           (i32.const 199)
-          )
-         )
-        )
-       )
-       (br $switch.31_outer
-        (block $compile_block.32 (result i32)
-         (i32.const 85)
-        )
-       )
-      )
-     )
-     (block $cleanup.30 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $7)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $8)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $9)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1125) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1125) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 5 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 1)
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 6 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 2)
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MLocalBind 3 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+                (immediate_analyses ((last_usage Unknown))))))
+             (immediate_analyses ((last_usage Unknown)))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MLocalBind 2 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+                (immediate_analyses ((last_usage Unknown))))))
+             (immediate_analyses ((last_usage Unknown)))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MLocalBind 1 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+                (immediate_analyses ((last_usage Unknown))))))
+             (immediate_analyses ((last_usage Unknown)))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MCallKnown (func ==_1125)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind ==_1125 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+           (args
+            (((immediate_desc
+               (MIncRef
+                ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+                 (immediate_analyses ((last_usage Unknown))))))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 (Unmanaged WasmI32))
+        ((instr_desc
+          (MIf
+           ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Last))))
+           (((instr_desc
+              (MDrop
+               ((instr_desc
+                 (MSet (MLocalBind 3 Managed)
+                  ((instr_desc
+                    (MImmediate
+                     ((immediate_desc
+                       (MIncRef
+                        ((immediate_desc
+                          (MImmBinding (MLocalBind 6 Managed)))
+                         (immediate_analyses ((last_usage Last))))))
+                      (immediate_analyses ((last_usage Unknown)))))))))))))
+            ((instr_desc
+              (MDrop
+               ((instr_desc
+                 (MSet (MLocalBind 2 Managed)
+                  ((instr_desc
+                    (MImmediate
+                     ((immediate_desc
+                       (MIncRef
+                        ((immediate_desc
+                          (MImmBinding (MLocalBind 5 Managed)))
+                         (immediate_analyses ((last_usage Last))))))
+                      (immediate_analyses ((last_usage Unknown)))))))))))))
+            ((instr_desc
+              (MDrop
+               ((instr_desc
+                 (MSet (MLocalBind 1 Managed)
+                  ((instr_desc
+                    (MImmediate
+                     ((immediate_desc
+                       (MIncRef
+                        ((immediate_desc
+                          (MImmBinding (MLocalBind 4 Managed)))
+                         (immediate_analyses ((last_usage Last))))))
+                      (immediate_analyses ((last_usage Unknown)))))))))))))
+            ((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmConst (MConstI32 0)))
+                (immediate_analyses ((last_usage Unknown))))))))
+           (((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmConst (MConstI32 1)))
+                (immediate_analyses ((last_usage Unknown))))))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MCleanup
+      (((instr_desc
+         (MSwitch
+          ((immediate_desc (MImmBinding (MLocalBind 1 (Unmanaged WasmI32))))
+           (immediate_analyses ((last_usage Last))))
+          ((0
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc (MImmConst (MConstI32 42)))
+                 (immediate_analyses ((last_usage Unknown)))))))))
+           (1
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc (MImmConst (MConstI32 99)))
+                 (immediate_analyses ((last_usage Unknown))))))))))
+          (((instr_desc
+             (MImmediate
+              ((immediate_desc MImmTrap)
+               (immediate_analyses ((last_usage Unknown))))))))
+          Managed))))
+      (((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 7) (stack_size_i32 2) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1130) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/pattern_matching.b1b060ad.0.snapshot b/compiler/test/__snapshots__/pattern_matching.b1b060ad.0.snapshot
index 1bfcf1ba1..5b47d0fc4 100644
--- a/compiler/test/__snapshots__/pattern_matching.b1b060ad.0.snapshot
+++ b/compiler/test/__snapshots__/pattern_matching.b1b060ad.0.snapshot
@@ -1,895 +1,559 @@
 pattern matching › adt_match_2
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1145 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1145 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (local $13 i32)
-  (local $14 i32)
-  (local $15 i32)
-  (local $16 i32)
-  (local $17 i32)
-  (local $18 i32)
-  (local $19 i32)
-  (local $20 i32)
-  (local $21 i32)
-  (local $22 i32)
-  (local $23 i32)
-  (local $24 i32)
-  (local $25 i32)
-  (local $26 i32)
-  (local $27 i32)
-  (local $28 i32)
-  (local $29 i32)
-  (local $30 i32)
-  (local $31 i32)
-  (local $32 i32)
-  (block $compile_block.92 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_adt.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_adt.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 5)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $6)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.8
-    (local.set $8
-     (i32.const 0)
-    )
-    (block $do_backpatches.7
-    )
-   )
-   (block $compile_store.10
-    (local.set $9
-     (i32.const 0)
-    )
-    (block $do_backpatches.9
-    )
-   )
-   (block $compile_store.12
-    (local.set $10
-     (i32.const 0)
-    )
-    (block $do_backpatches.11
-    )
-   )
-   (block $compile_store.14
-    (local.set $11
-     (i32.const 0)
-    )
-    (block $do_backpatches.13
-    )
-   )
-   (block $compile_store.16
-    (local.set $12
-     (i32.const 0)
-    )
-    (block $do_backpatches.15
-    )
-   )
-   (block $compile_store.18
-    (local.set $13
-     (i32.const 0)
-    )
-    (block $do_backpatches.17
-    )
-   )
-   (block $compile_store.20
-    (local.set $21
-     (i32.load offset=12
-      (local.get $7)
-     )
-    )
-    (block $do_backpatches.19
-    )
-   )
-   (block $compile_store.22
-    (local.set $22
-     (i32.or
-      (i32.shl
-       (i32.eq
-        (local.get $21)
-        (i32.const 1)
-       )
-       (i32.const 31)
-      )
-      (i32.const 2147483646)
-     )
-    )
-    (block $do_backpatches.21
-    )
-   )
-   (block $compile_store.78
-    (local.set $23
-     (if (result i32)
-      (i32.shr_u
-       (local.get $22)
-       (i32.const 31)
-      )
-      (block $compile_block.71 (result i32)
-       (block $compile_store.24
-        (local.set $14
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (i32.load offset=20
-           (local.get $7)
-          )
-         )
-        )
-        (block $do_backpatches.23
-        )
-       )
-       (block $compile_store.26
-        (local.set $15
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (i32.load offset=24
-           (local.get $7)
-          )
-         )
-        )
-        (block $do_backpatches.25
-        )
-       )
-       (block $compile_store.28
-        (local.set $25
-         (i32.load offset=12
-          (local.get $15)
-         )
-        )
-        (block $do_backpatches.27
-        )
-       )
-       (block $compile_store.30
-        (local.set $26
-         (i32.or
-          (i32.shl
-           (i32.eq
-            (local.get $25)
-            (i32.const 1)
-           )
-           (i32.const 31)
-          )
-          (i32.const 2147483646)
-         )
-        )
-        (block $do_backpatches.29
-        )
-       )
-       (tuple.extract 0
-        (tuple.make
-         (if (result i32)
-          (i32.shr_u
-           (local.get $26)
-           (i32.const 31)
-          )
-          (block $compile_block.64 (result i32)
-           (block $compile_store.33
-            (local.set $16
-             (call $incRef_0
-              (global.get $GRAIN$EXPORT$incRef_0)
-              (i32.load offset=20
-               (local.get $15)
-              )
-             )
-            )
-            (block $do_backpatches.32
-            )
-           )
-           (block $compile_store.35
-            (local.set $17
-             (call $incRef_0
-              (global.get $GRAIN$EXPORT$incRef_0)
-              (i32.load offset=24
-               (local.get $15)
-              )
-             )
-            )
-            (block $do_backpatches.34
-            )
-           )
-           (block $compile_store.37
-            (local.set $28
-             (i32.load offset=12
-              (local.get $17)
-             )
-            )
-            (block $do_backpatches.36
-            )
-           )
-           (block $compile_store.39
-            (local.set $29
-             (i32.or
-              (i32.shl
-               (i32.eq
-                (local.get $28)
-                (i32.const 1)
-               )
-               (i32.const 31)
-              )
-              (i32.const 2147483646)
-             )
-            )
-            (block $do_backpatches.38
-            )
-           )
-           (tuple.extract 0
-            (tuple.make
-             (if (result i32)
-              (i32.shr_u
-               (local.get $29)
-               (i32.const 31)
-              )
-              (block $compile_block.56 (result i32)
-               (block $compile_store.42
-                (local.set $18
-                 (call $incRef_0
-                  (global.get $GRAIN$EXPORT$incRef_0)
-                  (i32.load offset=20
-                   (local.get $17)
-                  )
-                 )
-                )
-                (block $do_backpatches.41
-                )
-               )
-               (block $compile_store.44
-                (local.set $19
-                 (call $incRef_0
-                  (global.get $GRAIN$EXPORT$incRef_0)
-                  (i32.load offset=24
-                   (local.get $17)
-                  )
-                 )
-                )
-                (block $do_backpatches.43
-                )
-               )
-               (block $compile_store.46
-                (local.set $31
-                 (i32.load offset=12
-                  (local.get $19)
-                 )
-                )
-                (block $do_backpatches.45
-                )
-               )
-               (block $cleanup.47
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $19)
-                 )
-                )
-               )
-               (block $compile_store.49
-                (local.set $32
-                 (i32.or
-                  (i32.shl
-                   (i32.eq
-                    (local.get $31)
-                    (i32.const 3)
-                   )
-                   (i32.const 31)
-                  )
-                  (i32.const 2147483646)
-                 )
-                )
-                (block $do_backpatches.48
-                )
-               )
-               (tuple.extract 0
-                (tuple.make
-                 (if (result i32)
-                  (i32.shr_u
-                   (local.get $32)
-                   (i32.const 31)
-                  )
-                  (block $compile_block.54 (result i32)
-                   (drop
-                    (block $compile_set.51 (result i32)
-                     (local.set $11
-                      (tuple.extract 0
-                       (tuple.make
-                        (call $incRef_0
-                         (global.get $GRAIN$EXPORT$incRef_0)
-                         (call $incRef_0
-                          (global.get $GRAIN$EXPORT$incRef_0)
-                          (local.get $14)
-                         )
-                        )
-                        (call $decRef_0
-                         (global.get $GRAIN$EXPORT$decRef_0)
-                         (local.get $11)
-                        )
-                       )
-                      )
-                     )
-                     (i32.const 1879048190)
-                    )
-                   )
-                   (drop
-                    (block $compile_set.52 (result i32)
-                     (local.set $12
-                      (tuple.extract 0
-                       (tuple.make
-                        (call $incRef_0
-                         (global.get $GRAIN$EXPORT$incRef_0)
-                         (call $incRef_0
-                          (global.get $GRAIN$EXPORT$incRef_0)
-                          (local.get $16)
-                         )
-                        )
-                        (call $decRef_0
-                         (global.get $GRAIN$EXPORT$decRef_0)
-                         (local.get $12)
-                        )
-                       )
-                      )
-                     )
-                     (i32.const 1879048190)
-                    )
-                   )
-                   (drop
-                    (block $compile_set.53 (result i32)
-                     (local.set $13
-                      (tuple.extract 0
-                       (tuple.make
-                        (call $incRef_0
-                         (global.get $GRAIN$EXPORT$incRef_0)
-                         (call $incRef_0
-                          (global.get $GRAIN$EXPORT$incRef_0)
-                          (local.get $18)
-                         )
-                        )
-                        (call $decRef_0
-                         (global.get $GRAIN$EXPORT$decRef_0)
-                         (local.get $13)
-                        )
-                       )
-                      )
-                     )
-                     (i32.const 1879048190)
-                    )
-                   )
-                   (i32.const 7)
-                  )
-                  (block $compile_block.55 (result i32)
-                   (i32.const 9)
-                  )
-                 )
-                 (block $cleanup.50 (result i32)
-                  (drop
-                   (call $decRef_0
-                    (global.get $GRAIN$EXPORT$decRef_0)
-                    (local.get $18)
-                   )
-                  )
-                  (i32.const 1879048190)
-                 )
-                )
-               )
-              )
-              (block $compile_block.63 (result i32)
-               (block $compile_store.58
-                (local.set $30
-                 (i32.or
-                  (i32.shl
-                   (i32.eq
-                    (local.get $28)
-                    (i32.const 3)
-                   )
-                   (i32.const 31)
-                  )
-                  (i32.const 2147483646)
-                 )
-                )
-                (block $do_backpatches.57
-                )
-               )
-               (if (result i32)
-                (i32.shr_u
-                 (local.get $30)
-                 (i32.const 31)
-                )
-                (block $compile_block.61 (result i32)
-                 (drop
-                  (block $compile_set.59 (result i32)
-                   (local.set $9
-                    (tuple.extract 0
-                     (tuple.make
-                      (call $incRef_0
-                       (global.get $GRAIN$EXPORT$incRef_0)
-                       (call $incRef_0
-                        (global.get $GRAIN$EXPORT$incRef_0)
-                        (local.get $14)
-                       )
-                      )
-                      (call $decRef_0
-                       (global.get $GRAIN$EXPORT$decRef_0)
-                       (local.get $9)
-                      )
-                     )
-                    )
-                   )
-                   (i32.const 1879048190)
-                  )
-                 )
-                 (drop
-                  (block $compile_set.60 (result i32)
-                   (local.set $10
-                    (tuple.extract 0
-                     (tuple.make
-                      (call $incRef_0
-                       (global.get $GRAIN$EXPORT$incRef_0)
-                       (call $incRef_0
-                        (global.get $GRAIN$EXPORT$incRef_0)
-                        (local.get $16)
-                       )
-                      )
-                      (call $decRef_0
-                       (global.get $GRAIN$EXPORT$decRef_0)
-                       (local.get $10)
-                      )
-                     )
-                    )
-                   )
-                   (i32.const 1879048190)
-                  )
-                 )
-                 (i32.const 5)
-                )
-                (block $compile_block.62 (result i32)
-                 (i32.const 9)
-                )
-               )
-              )
-             )
-             (block $cleanup.40 (result i32)
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $16)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $17)
-               )
-              )
-              (i32.const 1879048190)
-             )
-            )
-           )
-          )
-          (block $compile_block.70 (result i32)
-           (block $compile_store.66
-            (local.set $27
-             (i32.or
-              (i32.shl
-               (i32.eq
-                (local.get $25)
-                (i32.const 3)
-               )
-               (i32.const 31)
-              )
-              (i32.const 2147483646)
-             )
-            )
-            (block $do_backpatches.65
-            )
-           )
-           (if (result i32)
-            (i32.shr_u
-             (local.get $27)
-             (i32.const 31)
-            )
-            (block $compile_block.68 (result i32)
-             (drop
-              (block $compile_set.67 (result i32)
-               (local.set $8
-                (tuple.extract 0
-                 (tuple.make
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (call $incRef_0
-                    (global.get $GRAIN$EXPORT$incRef_0)
-                    (local.get $14)
-                   )
-                  )
-                  (call $decRef_0
-                   (global.get $GRAIN$EXPORT$decRef_0)
-                   (local.get $8)
-                  )
-                 )
-                )
-               )
-               (i32.const 1879048190)
-              )
-             )
-             (i32.const 3)
-            )
-            (block $compile_block.69 (result i32)
-             (i32.const 9)
-            )
-           )
-          )
-         )
-         (block $cleanup.31 (result i32)
-          (drop
-           (call $decRef_0
-            (global.get $GRAIN$EXPORT$decRef_0)
-            (local.get $14)
-           )
-          )
-          (drop
-           (call $decRef_0
-            (global.get $GRAIN$EXPORT$decRef_0)
-            (local.get $15)
-           )
-          )
-          (i32.const 1879048190)
-         )
-        )
-       )
-      )
-      (block $compile_block.76 (result i32)
-       (block $compile_store.73
-        (local.set $24
-         (i32.or
-          (i32.shl
-           (i32.eq
-            (local.get $21)
-            (i32.const 3)
-           )
-           (i32.const 31)
-          )
-          (i32.const 2147483646)
-         )
-        )
-        (block $do_backpatches.72
-        )
-       )
-       (if (result i32)
-        (i32.shr_u
-         (local.get $24)
-         (i32.const 31)
-        )
-        (block $compile_block.74 (result i32)
-         (i32.const 1)
-        )
-        (block $compile_block.75
-         (unreachable)
-        )
-       )
-      )
-     )
-    )
-    (block $do_backpatches.77
-    )
-   )
-   (block $cleanup.79
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $7)
-     )
-    )
-   )
-   (tuple.extract 0
-    (tuple.make
-     (block $switch.81_outer (result i32)
-      (block $switch.81_branch_0 (result i32)
-       (drop
-        (block $switch.81_branch_1 (result i32)
-         (drop
-          (block $switch.81_branch_2 (result i32)
-           (drop
-            (block $switch.81_branch_3 (result i32)
-             (drop
-              (block $switch.81_branch_4 (result i32)
-               (drop
-                (block $switch.81_branch_5 (result i32)
-                 (drop
-                  (block $switch.81_default (result i32)
-                   (br_table $switch.81_branch_1 $switch.81_branch_2 $switch.81_branch_3 $switch.81_branch_4 $switch.81_branch_5 $switch.81_default $switch.81_default
-                    (i32.const 0)
-                    (i32.shr_s
-                     (local.get $23)
-                     (i32.const 1)
-                    )
-                   )
-                  )
-                 )
-                 (br $switch.81_outer
-                  (block $compile_block.91 (result i32)
-                   (unreachable)
-                  )
-                 )
-                )
-               )
-               (br $switch.81_outer
-                (block $compile_block.90 (result i32)
-                 (i32.const 1999)
-                )
-               )
-              )
-             )
-             (br $switch.81_outer
-              (block $compile_block.89
-               (block $compile_store.87
-                (local.set $20
-                 (call $+_1145
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (global.get $+_1145)
-                  )
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (local.get $11)
-                  )
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (local.get $12)
-                  )
-                 )
-                )
-                (block $do_backpatches.86
-                )
-               )
-               (block $cleanup.88
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $8)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $9)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $10)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $11)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $12)
-                 )
-                )
-               )
-               (return_call $+_1145
-                (call $incRef_0
-                 (global.get $GRAIN$EXPORT$incRef_0)
-                 (global.get $+_1145)
-                )
-                (local.get $20)
-                (local.get $13)
-               )
-              )
-             )
-            )
-           )
-           (br $switch.81_outer
-            (block $compile_block.85
-             (block $cleanup.84
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $8)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $11)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $12)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $13)
-               )
-              )
-             )
-             (return_call $+_1145
-              (call $incRef_0
-               (global.get $GRAIN$EXPORT$incRef_0)
-               (global.get $+_1145)
-              )
-              (local.get $9)
-              (local.get $10)
-             )
-            )
-           )
-          )
-         )
-         (br $switch.81_outer
-          (block $compile_block.83 (result i32)
-           (call $incRef_0
-            (global.get $GRAIN$EXPORT$incRef_0)
-            (local.get $8)
-           )
-          )
-         )
-        )
-       )
-       (br $switch.81_outer
-        (block $compile_block.82 (result i32)
-         (i32.const 1)
-        )
-       )
-      )
-     )
-     (block $cleanup.80 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $8)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $9)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $10)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $11)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $12)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $13)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1145) (name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1145) (name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 5 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 6 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 7 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MAdtOp MAdtGetTag
+           ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 (Unmanaged WasmI32))
+        ((instr_desc
+          (MPrim2 Is
+           ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Unknown))))
+           ((immediate_desc (MImmConst (MConstI32 0)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 (Unmanaged WasmI32))
+        ((instr_desc
+          (MIf
+           ((immediate_desc (MImmBinding (MLocalBind 1 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Last))))
+           (((instr_desc
+              (MStore
+               (((MLocalBind 8 Managed)
+                 ((instr_desc
+                   (MAdtOp (MAdtGet 0)
+                    ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MStore
+               (((MLocalBind 9 Managed)
+                 ((instr_desc
+                   (MAdtOp (MAdtGet 1)
+                    ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+                     (immediate_analyses ((last_usage Last))))))))))))
+            ((instr_desc
+              (MStore
+               (((MLocalBind 4 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MAdtOp MAdtGetTag
+                    ((immediate_desc (MImmBinding (MLocalBind 9 Managed)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MStore
+               (((MLocalBind 5 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MPrim2 Is
+                    ((immediate_desc
+                      (MImmBinding (MLocalBind 4 (Unmanaged WasmI32))))
+                     (immediate_analyses ((last_usage Unknown))))
+                    ((immediate_desc (MImmConst (MConstI32 0)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MCleanup
+               (((instr_desc
+                  (MIf
+                   ((immediate_desc
+                     (MImmBinding (MLocalBind 5 (Unmanaged WasmI32))))
+                    (immediate_analyses ((last_usage Last))))
+                   (((instr_desc
+                      (MStore
+                       (((MLocalBind 10 Managed)
+                         ((instr_desc
+                           (MAdtOp (MAdtGet 0)
+                            ((immediate_desc
+                              (MImmBinding (MLocalBind 9 Managed)))
+                             (immediate_analyses ((last_usage Unknown))))))))))))
+                    ((instr_desc
+                      (MStore
+                       (((MLocalBind 11 Managed)
+                         ((instr_desc
+                           (MAdtOp (MAdtGet 1)
+                            ((immediate_desc
+                              (MImmBinding (MLocalBind 9 Managed)))
+                             (immediate_analyses ((last_usage Last))))))))))))
+                    ((instr_desc
+                      (MStore
+                       (((MLocalBind 7 (Unmanaged WasmI32))
+                         ((instr_desc
+                           (MAdtOp MAdtGetTag
+                            ((immediate_desc
+                              (MImmBinding (MLocalBind 11 Managed)))
+                             (immediate_analyses ((last_usage Unknown))))))))))))
+                    ((instr_desc
+                      (MStore
+                       (((MLocalBind 8 (Unmanaged WasmI32))
+                         ((instr_desc
+                           (MPrim2 Is
+                            ((immediate_desc
+                              (MImmBinding
+                               (MLocalBind 7 (Unmanaged WasmI32))))
+                             (immediate_analyses ((last_usage Unknown))))
+                            ((immediate_desc (MImmConst (MConstI32 0)))
+                             (immediate_analyses ((last_usage Unknown))))))))))))
+                    ((instr_desc
+                      (MCleanup
+                       (((instr_desc
+                          (MIf
+                           ((immediate_desc
+                             (MImmBinding (MLocalBind 8 (Unmanaged WasmI32))))
+                            (immediate_analyses ((last_usage Last))))
+                           (((instr_desc
+                              (MStore
+                               (((MLocalBind 12 Managed)
+                                 ((instr_desc
+                                   (MAdtOp (MAdtGet 0)
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 11 Managed)))
+                                     (immediate_analyses
+                                      ((last_usage Unknown))))))))))))
+                            ((instr_desc
+                              (MStore
+                               (((MLocalBind 13 Managed)
+                                 ((instr_desc
+                                   (MAdtOp (MAdtGet 1)
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 11 Managed)))
+                                     (immediate_analyses ((last_usage Last))))))))))))
+                            ((instr_desc
+                              (MStore
+                               (((MLocalBind 10 (Unmanaged WasmI32))
+                                 ((instr_desc
+                                   (MAdtOp MAdtGetTag
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 13 Managed)))
+                                     (immediate_analyses ((last_usage Last))))))))))))
+                            ((instr_desc
+                              (MCleanup ()
+                               (((immediate_desc
+                                  (MImmBinding (MLocalBind 13 Managed)))
+                                 (immediate_analyses ((last_usage Unknown))))))))
+                            ((instr_desc
+                              (MStore
+                               (((MLocalBind 11 (Unmanaged WasmI32))
+                                 ((instr_desc
+                                   (MPrim2 Is
+                                    ((immediate_desc
+                                      (MImmBinding
+                                       (MLocalBind 10 (Unmanaged WasmI32))))
+                                     (immediate_analyses ((last_usage Last))))
+                                    ((immediate_desc
+                                      (MImmConst (MConstI32 1)))
+                                     (immediate_analyses
+                                      ((last_usage Unknown))))))))))))
+                            ((instr_desc
+                              (MCleanup
+                               (((instr_desc
+                                  (MIf
+                                   ((immediate_desc
+                                     (MImmBinding
+                                      (MLocalBind 11 (Unmanaged WasmI32))))
+                                    (immediate_analyses ((last_usage Last))))
+                                   (((instr_desc
+                                      (MDrop
+                                       ((instr_desc
+                                         (MSet (MLocalBind 5 Managed)
+                                          ((instr_desc
+                                            (MImmediate
+                                             ((immediate_desc
+                                               (MIncRef
+                                                ((immediate_desc
+                                                  (MImmBinding
+                                                   (MLocalBind 8 Managed)))
+                                                 (immediate_analyses
+                                                  ((last_usage Unknown))))))
+                                              (immediate_analyses
+                                               ((last_usage Unknown)))))))))))))
+                                    ((instr_desc
+                                      (MDrop
+                                       ((instr_desc
+                                         (MSet (MLocalBind 6 Managed)
+                                          ((instr_desc
+                                            (MImmediate
+                                             ((immediate_desc
+                                               (MIncRef
+                                                ((immediate_desc
+                                                  (MImmBinding
+                                                   (MLocalBind 10 Managed)))
+                                                 (immediate_analyses
+                                                  ((last_usage Unknown))))))
+                                              (immediate_analyses
+                                               ((last_usage Unknown)))))))))))))
+                                    ((instr_desc
+                                      (MDrop
+                                       ((instr_desc
+                                         (MSet (MLocalBind 7 Managed)
+                                          ((instr_desc
+                                            (MImmediate
+                                             ((immediate_desc
+                                               (MIncRef
+                                                ((immediate_desc
+                                                  (MImmBinding
+                                                   (MLocalBind 12 Managed)))
+                                                 (immediate_analyses
+                                                  ((last_usage Last))))))
+                                              (immediate_analyses
+                                               ((last_usage Unknown)))))))))))))
+                                    ((instr_desc
+                                      (MImmediate
+                                       ((immediate_desc
+                                         (MImmConst (MConstI32 3)))
+                                        (immediate_analyses
+                                         ((last_usage Unknown))))))))
+                                   (((instr_desc
+                                      (MImmediate
+                                       ((immediate_desc
+                                         (MImmConst (MConstI32 4)))
+                                        (immediate_analyses
+                                         ((last_usage Unknown))))))))))))
+                               (((immediate_desc
+                                  (MImmBinding (MLocalBind 12 Managed)))
+                                 (immediate_analyses ((last_usage Unknown)))))))))
+                           (((instr_desc
+                              (MStore
+                               (((MLocalBind 9 (Unmanaged WasmI32))
+                                 ((instr_desc
+                                   (MPrim2 Is
+                                    ((immediate_desc
+                                      (MImmBinding
+                                       (MLocalBind 7 (Unmanaged WasmI32))))
+                                     (immediate_analyses ((last_usage Last))))
+                                    ((immediate_desc
+                                      (MImmConst (MConstI32 1)))
+                                     (immediate_analyses
+                                      ((last_usage Unknown))))))))))))
+                            ((instr_desc
+                              (MIf
+                               ((immediate_desc
+                                 (MImmBinding
+                                  (MLocalBind 9 (Unmanaged WasmI32))))
+                                (immediate_analyses ((last_usage Last))))
+                               (((instr_desc
+                                  (MDrop
+                                   ((instr_desc
+                                     (MSet (MLocalBind 3 Managed)
+                                      ((instr_desc
+                                        (MImmediate
+                                         ((immediate_desc
+                                           (MIncRef
+                                            ((immediate_desc
+                                              (MImmBinding
+                                               (MLocalBind 8 Managed)))
+                                             (immediate_analyses
+                                              ((last_usage Unknown))))))
+                                          (immediate_analyses
+                                           ((last_usage Unknown)))))))))))))
+                                ((instr_desc
+                                  (MDrop
+                                   ((instr_desc
+                                     (MSet (MLocalBind 4 Managed)
+                                      ((instr_desc
+                                        (MImmediate
+                                         ((immediate_desc
+                                           (MIncRef
+                                            ((immediate_desc
+                                              (MImmBinding
+                                               (MLocalBind 10 Managed)))
+                                             (immediate_analyses
+                                              ((last_usage Last))))))
+                                          (immediate_analyses
+                                           ((last_usage Unknown)))))))))))))
+                                ((instr_desc
+                                  (MImmediate
+                                   ((immediate_desc
+                                     (MImmConst (MConstI32 2)))
+                                    (immediate_analyses
+                                     ((last_usage Unknown))))))))
+                               (((instr_desc
+                                  (MImmediate
+                                   ((immediate_desc
+                                     (MImmConst (MConstI32 4)))
+                                    (immediate_analyses
+                                     ((last_usage Unknown))))))))))))))))
+                       (((immediate_desc
+                          (MImmBinding (MLocalBind 11 Managed)))
+                         (immediate_analyses ((last_usage Unknown))))
+                        ((immediate_desc
+                          (MImmBinding (MLocalBind 10 Managed)))
+                         (immediate_analyses ((last_usage Unknown)))))))))
+                   (((instr_desc
+                      (MStore
+                       (((MLocalBind 6 (Unmanaged WasmI32))
+                         ((instr_desc
+                           (MPrim2 Is
+                            ((immediate_desc
+                              (MImmBinding
+                               (MLocalBind 4 (Unmanaged WasmI32))))
+                             (immediate_analyses ((last_usage Last))))
+                            ((immediate_desc (MImmConst (MConstI32 1)))
+                             (immediate_analyses ((last_usage Unknown))))))))))))
+                    ((instr_desc
+                      (MIf
+                       ((immediate_desc
+                         (MImmBinding (MLocalBind 6 (Unmanaged WasmI32))))
+                        (immediate_analyses ((last_usage Last))))
+                       (((instr_desc
+                          (MDrop
+                           ((instr_desc
+                             (MSet (MLocalBind 2 Managed)
+                              ((instr_desc
+                                (MImmediate
+                                 ((immediate_desc
+                                   (MIncRef
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 8 Managed)))
+                                     (immediate_analyses ((last_usage Last))))))
+                                  (immediate_analyses ((last_usage Unknown)))))))))))))
+                        ((instr_desc
+                          (MImmediate
+                           ((immediate_desc (MImmConst (MConstI32 1)))
+                            (immediate_analyses ((last_usage Unknown))))))))
+                       (((instr_desc
+                          (MImmediate
+                           ((immediate_desc (MImmConst (MConstI32 4)))
+                            (immediate_analyses ((last_usage Unknown))))))))))))))))
+               (((immediate_desc (MImmBinding (MLocalBind 9 Managed)))
+                 (immediate_analyses ((last_usage Unknown))))
+                ((immediate_desc (MImmBinding (MLocalBind 8 Managed)))
+                 (immediate_analyses ((last_usage Unknown)))))))))
+           (((instr_desc
+              (MStore
+               (((MLocalBind 3 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MPrim2 Is
+                    ((immediate_desc
+                      (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+                     (immediate_analyses ((last_usage Last))))
+                    ((immediate_desc (MImmConst (MConstI32 1)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MIf
+               ((immediate_desc
+                 (MImmBinding (MLocalBind 3 (Unmanaged WasmI32))))
+                (immediate_analyses ((last_usage Last))))
+               (((instr_desc
+                  (MImmediate
+                   ((immediate_desc (MImmConst (MConstI32 0)))
+                    (immediate_analyses ((last_usage Unknown))))))))
+               (((instr_desc
+                  (MImmediate
+                   ((immediate_desc MImmTrap)
+                    (immediate_analyses ((last_usage Unknown))))))))))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MCleanup
+      (((instr_desc
+         (MSwitch
+          ((immediate_desc (MImmBinding (MLocalBind 2 (Unmanaged WasmI32))))
+           (immediate_analyses ((last_usage Last))))
+          ((0
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc (MImmConst (MConstI32 0)))
+                 (immediate_analyses ((last_usage Unknown)))))))))
+           (1
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc
+                  (MIncRef
+                   ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+                    (immediate_analyses ((last_usage Last))))))
+                 (immediate_analyses ((last_usage Unknown)))))))))
+           (2
+            (((instr_desc
+               (MCleanup ()
+                (((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))))))
+             ((instr_desc
+               (MReturnCallKnown (func +_1145)
+                (closure
+                 ((immediate_desc
+                   (MIncRef
+                    ((immediate_desc
+                      (MImmBinding (MGlobalBind +_1145 Managed)))
+                     (immediate_analyses ((last_usage TailCallLast))))))
+                  (immediate_analyses ((last_usage Unknown)))))
+                (func_type ((Managed Managed) (Managed)))
+                (args
+                 (((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+                   (immediate_analyses ((last_usage Last))))
+                  ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+                   (immediate_analyses ((last_usage Last)))))))))))
+           (3
+            (((instr_desc
+               (MStore
+                (((MLocalBind 14 Managed)
+                  ((instr_desc
+                    (MCallKnown (func +_1145)
+                     (closure
+                      ((immediate_desc
+                        (MIncRef
+                         ((immediate_desc
+                           (MImmBinding (MGlobalBind +_1145 Managed)))
+                          (immediate_analyses ((last_usage Unknown))))))
+                       (immediate_analyses ((last_usage Unknown)))))
+                     (func_type ((Managed Managed) (Managed)))
+                     (args
+                      (((immediate_desc
+                         (MIncRef
+                          ((immediate_desc
+                            (MImmBinding (MLocalBind 5 Managed)))
+                           (immediate_analyses ((last_usage Last))))))
+                        (immediate_analyses ((last_usage Unknown))))
+                       ((immediate_desc
+                         (MIncRef
+                          ((immediate_desc
+                            (MImmBinding (MLocalBind 6 Managed)))
+                           (immediate_analyses ((last_usage Last))))))
+                        (immediate_analyses ((last_usage Unknown))))))))))))))
+             ((instr_desc
+               (MCleanup ()
+                (((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))))))
+             ((instr_desc
+               (MReturnCallKnown (func +_1145)
+                (closure
+                 ((immediate_desc
+                   (MIncRef
+                    ((immediate_desc
+                      (MImmBinding (MGlobalBind +_1145 Managed)))
+                     (immediate_analyses ((last_usage Last))))))
+                  (immediate_analyses ((last_usage Unknown)))))
+                (func_type ((Managed Managed) (Managed)))
+                (args
+                 (((immediate_desc (MImmBinding (MLocalBind 14 Managed)))
+                   (immediate_analyses ((last_usage Last))))
+                  ((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+                   (immediate_analyses ((last_usage Last)))))))))))
+           (4
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc (MImmConst (MConstI32 999)))
+                 (immediate_analyses ((last_usage Unknown))))))))))
+          (((instr_desc
+             (MImmediate
+              ((immediate_desc MImmTrap)
+               (immediate_analyses ((last_usage Unknown))))))))
+          Managed))))
+      (((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 15) (stack_size_i32 12) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1148) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/pattern_matching.b9db0dd9.0.snapshot b/compiler/test/__snapshots__/pattern_matching.b9db0dd9.0.snapshot
index 55e79a2ae..f27708616 100644
--- a/compiler/test/__snapshots__/pattern_matching.b9db0dd9.0.snapshot
+++ b/compiler/test/__snapshots__/pattern_matching.b9db0dd9.0.snapshot
@@ -1,431 +1,247 @@
 pattern matching › guarded_match_3
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$==\" (global $==_1126 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"==\" (func $==_1126 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (local $13 i32)
-  (local $14 i32)
-  (local $15 i32)
-  (block $compile_block.39 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_tuple.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 5)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 5)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 7)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.5
-    (local.set $7
-     (i32.const 0)
-    )
-    (block $do_backpatches.4
-    )
-   )
-   (block $compile_store.7
-    (local.set $8
-     (i32.const 0)
-    )
-    (block $do_backpatches.6
-    )
-   )
-   (block $compile_store.9
-    (local.set $9
-     (i32.const 0)
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $compile_store.11
-    (local.set $10
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (local.get $6)
-      )
-     )
-    )
-    (block $do_backpatches.10
-    )
-   )
-   (block $compile_store.13
-    (local.set $11
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=12
-       (local.get $6)
-      )
-     )
-    )
-    (block $do_backpatches.12
-    )
-   )
-   (block $compile_store.15
-    (local.set $12
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=16
-       (local.get $6)
-      )
-     )
-    )
-    (block $do_backpatches.14
-    )
-   )
-   (block $cleanup.16
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $6)
-     )
-    )
-   )
-   (drop
-    (block $compile_set.17 (result i32)
-     (local.set $9
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (local.get $12)
-         )
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $9)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.18 (result i32)
-     (local.set $8
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (local.get $11)
-         )
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $8)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.19 (result i32)
-     (local.set $7
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (local.get $10)
-         )
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (local.get $7)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (block $compile_store.21
-    (local.set $13
-     (call $==_1126
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $==_1126)
-      )
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (local.get $7)
-      )
-      (i32.const 5)
-     )
-    )
-    (block $do_backpatches.20
-    )
-   )
-   (block $compile_store.25
-    (local.set $14
-     (if (result i32)
-      (i32.shr_u
-       (local.get $13)
-       (i32.const 31)
-      )
-      (block $compile_block.22 (result i32)
-       (call $==_1126
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (global.get $==_1126)
-        )
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $9)
-        )
-        (i32.const 7)
-       )
-      )
-      (block $compile_block.23 (result i32)
-       (local.get $13)
-      )
-     )
-    )
-    (block $do_backpatches.24
-    )
-   )
-   (block $compile_store.32
-    (local.set $15
-     (if (result i32)
-      (i32.shr_u
-       (local.get $14)
-       (i32.const 31)
-      )
-      (block $compile_block.29 (result i32)
-       (drop
-        (block $compile_set.26 (result i32)
-         (local.set $9
-          (tuple.extract 0
-           (tuple.make
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (call $incRef_0
-              (global.get $GRAIN$EXPORT$incRef_0)
-              (local.get $12)
-             )
-            )
-            (call $decRef_0
-             (global.get $GRAIN$EXPORT$decRef_0)
-             (local.get $9)
-            )
-           )
-          )
-         )
-         (i32.const 1879048190)
-        )
-       )
-       (drop
-        (block $compile_set.27 (result i32)
-         (local.set $8
-          (tuple.extract 0
-           (tuple.make
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (call $incRef_0
-              (global.get $GRAIN$EXPORT$incRef_0)
-              (local.get $11)
-             )
-            )
-            (call $decRef_0
-             (global.get $GRAIN$EXPORT$decRef_0)
-             (local.get $8)
-            )
-           )
-          )
-         )
-         (i32.const 1879048190)
-        )
-       )
-       (drop
-        (block $compile_set.28 (result i32)
-         (local.set $7
-          (tuple.extract 0
-           (tuple.make
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (call $incRef_0
-              (global.get $GRAIN$EXPORT$incRef_0)
-              (local.get $10)
-             )
-            )
-            (call $decRef_0
-             (global.get $GRAIN$EXPORT$decRef_0)
-             (local.get $7)
-            )
-           )
-          )
-         )
-         (i32.const 1879048190)
-        )
-       )
-       (i32.const 1)
-      )
-      (block $compile_block.30 (result i32)
-       (i32.const 3)
-      )
-     )
-    )
-    (block $do_backpatches.31
-    )
-   )
-   (block $cleanup.33
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $10)
-     )
-    )
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $11)
-     )
-    )
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $12)
-     )
-    )
-   )
-   (tuple.extract 0
-    (tuple.make
-     (block $switch.35_outer (result i32)
-      (block $switch.35_branch_0 (result i32)
-       (drop
-        (block $switch.35_branch_1 (result i32)
-         (drop
-          (block $switch.35_branch_2 (result i32)
-           (drop
-            (block $switch.35_default (result i32)
-             (br_table $switch.35_branch_1 $switch.35_branch_2 $switch.35_default $switch.35_default
-              (i32.const 0)
-              (i32.shr_s
-               (local.get $15)
-               (i32.const 1)
-              )
-             )
-            )
-           )
-           (br $switch.35_outer
-            (block $compile_block.38 (result i32)
-             (unreachable)
-            )
-           )
-          )
-         )
-         (br $switch.35_outer
-          (block $compile_block.37 (result i32)
-           (i32.const 199)
-          )
-         )
-        )
-       )
-       (br $switch.35_outer
-        (block $compile_block.36 (result i32)
-         (i32.const 85)
-        )
-       )
-      )
-     )
-     (block $cleanup.34 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $7)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $8)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $9)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1126) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1126) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 5 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 1)
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 6 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 2)
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MLocalBind 3 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+                (immediate_analyses ((last_usage Unknown))))))
+             (immediate_analyses ((last_usage Unknown)))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MLocalBind 2 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+                (immediate_analyses ((last_usage Unknown))))))
+             (immediate_analyses ((last_usage Unknown)))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MLocalBind 1 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+                (immediate_analyses ((last_usage Unknown))))))
+             (immediate_analyses ((last_usage Unknown)))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MCallKnown (func ==_1126)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind ==_1126 Managed)))
+                (immediate_analyses ((last_usage Unknown))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+           (args
+            (((immediate_desc
+               (MIncRef
+                ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+                 (immediate_analyses ((last_usage Unknown))))))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 (Unmanaged WasmI32))
+        ((instr_desc
+          (MIf
+           ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Unknown))))
+           (((instr_desc
+              (MCallKnown (func ==_1126)
+               (closure
+                ((immediate_desc
+                  (MIncRef
+                   ((immediate_desc
+                     (MImmBinding (MGlobalBind ==_1126 Managed)))
+                    (immediate_analyses ((last_usage Last))))))
+                 (immediate_analyses ((last_usage Unknown)))))
+               (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+               (args
+                (((immediate_desc
+                   (MIncRef
+                    ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+                     (immediate_analyses ((last_usage Unknown))))))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmConst (MConstI32 3)))
+                  (immediate_analyses ((last_usage Unknown))))))))))
+           (((instr_desc
+              (MImmediate
+               ((immediate_desc
+                 (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+                (immediate_analyses ((last_usage Last))))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 (Unmanaged WasmI32))
+        ((instr_desc
+          (MIf
+           ((immediate_desc (MImmBinding (MLocalBind 1 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Last))))
+           (((instr_desc
+              (MDrop
+               ((instr_desc
+                 (MSet (MLocalBind 3 Managed)
+                  ((instr_desc
+                    (MImmediate
+                     ((immediate_desc
+                       (MIncRef
+                        ((immediate_desc
+                          (MImmBinding (MLocalBind 6 Managed)))
+                         (immediate_analyses ((last_usage Last))))))
+                      (immediate_analyses ((last_usage Unknown)))))))))))))
+            ((instr_desc
+              (MDrop
+               ((instr_desc
+                 (MSet (MLocalBind 2 Managed)
+                  ((instr_desc
+                    (MImmediate
+                     ((immediate_desc
+                       (MIncRef
+                        ((immediate_desc
+                          (MImmBinding (MLocalBind 5 Managed)))
+                         (immediate_analyses ((last_usage Last))))))
+                      (immediate_analyses ((last_usage Unknown)))))))))))))
+            ((instr_desc
+              (MDrop
+               ((instr_desc
+                 (MSet (MLocalBind 1 Managed)
+                  ((instr_desc
+                    (MImmediate
+                     ((immediate_desc
+                       (MIncRef
+                        ((immediate_desc
+                          (MImmBinding (MLocalBind 4 Managed)))
+                         (immediate_analyses ((last_usage Last))))))
+                      (immediate_analyses ((last_usage Unknown)))))))))))))
+            ((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmConst (MConstI32 0)))
+                (immediate_analyses ((last_usage Unknown))))))))
+           (((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmConst (MConstI32 1)))
+                (immediate_analyses ((last_usage Unknown))))))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MCleanup
+      (((instr_desc
+         (MSwitch
+          ((immediate_desc (MImmBinding (MLocalBind 2 (Unmanaged WasmI32))))
+           (immediate_analyses ((last_usage Last))))
+          ((0
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc (MImmConst (MConstI32 42)))
+                 (immediate_analyses ((last_usage Unknown)))))))))
+           (1
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc (MImmConst (MConstI32 99)))
+                 (immediate_analyses ((last_usage Unknown))))))))))
+          (((instr_desc
+             (MImmediate
+              ((immediate_desc MImmTrap)
+               (immediate_analyses ((last_usage Unknown))))))))
+          Managed))))
+      (((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 7) (stack_size_i32 3) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1132) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/pattern_matching.be46eb0e.0.snapshot b/compiler/test/__snapshots__/pattern_matching.be46eb0e.0.snapshot
index 5bd625281..ccce6e3c9 100644
--- a/compiler/test/__snapshots__/pattern_matching.be46eb0e.0.snapshot
+++ b/compiler/test/__snapshots__/pattern_matching.be46eb0e.0.snapshot
@@ -1,248 +1,155 @@
 pattern matching › low_level_constant_match_1
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$print\" (global $print_1116 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"print\" (func $print_1116 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (block $compile_block.28 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_adt.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 501102191)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.5
-    (local.set $7
-     (i32.or
-      (i32.shl
-       (i32.eq
-        (i32.const 1)
-        (i32.const 0)
-       )
-       (i32.const 31)
-      )
-      (i32.const 2147483646)
-     )
-    )
-    (block $do_backpatches.4
-    )
-   )
-   (block $compile_store.17
-    (local.set $8
-     (if (result i32)
-      (i32.shr_u
-       (local.get $7)
-       (i32.const 31)
-      )
-      (block $compile_block.6 (result i32)
-       (i32.const 1)
-      )
-      (block $compile_block.15 (result i32)
-       (block $compile_store.8
-        (local.set $9
-         (i32.or
-          (i32.shl
-           (i32.eq
-            (i32.const 1)
-            (i32.const 1)
-           )
-           (i32.const 31)
-          )
-          (i32.const 2147483646)
-         )
-        )
-        (block $do_backpatches.7
-        )
-       )
-       (if (result i32)
-        (i32.shr_u
-         (local.get $9)
-         (i32.const 31)
-        )
-        (block $compile_block.9 (result i32)
-         (i32.const 3)
-        )
-        (block $compile_block.14 (result i32)
-         (block $compile_store.11
-          (local.set $10
-           (i32.or
-            (i32.shl
-             (i32.eq
-              (i32.const 1)
-              (i32.const 2)
-             )
-             (i32.const 31)
-            )
-            (i32.const 2147483646)
-           )
-          )
-          (block $do_backpatches.10
-          )
-         )
-         (if (result i32)
-          (i32.shr_u
-           (local.get $10)
-           (i32.const 31)
-          )
-          (block $compile_block.12 (result i32)
-           (i32.const 5)
-          )
-          (block $compile_block.13 (result i32)
-           (i32.const 7)
-          )
-         )
-        )
-       )
-      )
-     )
-    )
-    (block $do_backpatches.16
-    )
-   )
-   (block $compile_store.25
-    (local.set $11
-     (block $switch.18_outer (result i32)
-      (block $switch.18_branch_0 (result i32)
-       (drop
-        (block $switch.18_branch_1 (result i32)
-         (drop
-          (block $switch.18_branch_2 (result i32)
-           (drop
-            (block $switch.18_branch_3 (result i32)
-             (drop
-              (block $switch.18_branch_4 (result i32)
-               (drop
-                (block $switch.18_default (result i32)
-                 (br_table $switch.18_branch_1 $switch.18_branch_2 $switch.18_branch_3 $switch.18_branch_4 $switch.18_default $switch.18_default
-                  (i32.const 0)
-                  (i32.shr_s
-                   (local.get $8)
-                   (i32.const 1)
-                  )
-                 )
-                )
-               )
-               (br $switch.18_outer
-                (block $compile_block.23 (result i32)
-                 (unreachable)
-                )
-               )
-              )
-             )
-             (br $switch.18_outer
-              (block $compile_block.22 (result i32)
-               (i32.const 2147483646)
-              )
-             )
-            )
-           )
-           (br $switch.18_outer
-            (block $compile_block.21 (result i32)
-             (i32.const 2147483646)
-            )
-           )
-          )
-         )
-         (br $switch.18_outer
-          (block $compile_block.20 (result i32)
-           (i32.const -2)
-          )
-         )
-        )
-       )
-       (br $switch.18_outer
-        (block $compile_block.19 (result i32)
-         (i32.const 2147483646)
-        )
-       )
-      )
-     )
-    )
-    (block $do_backpatches.24
-    )
-   )
-   (block $compile_store.27
-    (local.set $12
-     (call $print_1116
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $print_1116)
-      )
-      (local.get $11)
-      (local.get $6)
-     )
-    )
-    (block $do_backpatches.26
-    )
-   )
-   (i32.const 1)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1116) (name print))) (mimp_mod pervasives.gr)
+    (mimp_name print)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1116) (name print))) (mimp_mod pervasives.gr)
+    (mimp_name print) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 250551095)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 3)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MPrim2 Is
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 1))))
+            (immediate_analyses ((last_usage Unknown))))
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 (Unmanaged WasmI32))
+        ((instr_desc
+          (MIf
+           ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Last))))
+           (((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmConst (MConstI32 0)))
+                (immediate_analyses ((last_usage Unknown))))))))
+           (((instr_desc
+              (MStore
+               (((MLocalBind 2 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MPrim2 Is
+                    ((immediate_desc
+                      (MImmConst (MConstLiteral (MConstI32 1))))
+                     (immediate_analyses ((last_usage Unknown))))
+                    ((immediate_desc
+                      (MImmConst (MConstLiteral (MConstI32 1))))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MIf
+               ((immediate_desc
+                 (MImmBinding (MLocalBind 2 (Unmanaged WasmI32))))
+                (immediate_analyses ((last_usage Last))))
+               (((instr_desc
+                  (MImmediate
+                   ((immediate_desc (MImmConst (MConstI32 1)))
+                    (immediate_analyses ((last_usage Unknown))))))))
+               (((instr_desc
+                  (MStore
+                   (((MLocalBind 3 (Unmanaged WasmI32))
+                     ((instr_desc
+                       (MPrim2 Is
+                        ((immediate_desc
+                          (MImmConst (MConstLiteral (MConstI32 1))))
+                         (immediate_analyses ((last_usage Unknown))))
+                        ((immediate_desc
+                          (MImmConst (MConstLiteral (MConstI32 2))))
+                         (immediate_analyses ((last_usage Unknown))))))))))))
+                ((instr_desc
+                  (MIf
+                   ((immediate_desc
+                     (MImmBinding (MLocalBind 3 (Unmanaged WasmI32))))
+                    (immediate_analyses ((last_usage Last))))
+                   (((instr_desc
+                      (MImmediate
+                       ((immediate_desc (MImmConst (MConstI32 2)))
+                        (immediate_analyses ((last_usage Unknown))))))))
+                   (((instr_desc
+                      (MImmediate
+                       ((immediate_desc (MImmConst (MConstI32 3)))
+                        (immediate_analyses ((last_usage Unknown))))))))))))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 (Unmanaged WasmI32))
+        ((instr_desc
+          (MSwitch
+           ((immediate_desc (MImmBinding (MLocalBind 1 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Last))))
+           ((0
+             (((instr_desc
+                (MImmediate
+                 ((immediate_desc
+                   (MImmConst (MConstLiteral (MConstI32 2147483646))))
+                  (immediate_analyses ((last_usage Unknown)))))))))
+            (1
+             (((instr_desc
+                (MImmediate
+                 ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+                  (immediate_analyses ((last_usage Unknown)))))))))
+            (2
+             (((instr_desc
+                (MImmediate
+                 ((immediate_desc
+                   (MImmConst (MConstLiteral (MConstI32 2147483646))))
+                  (immediate_analyses ((last_usage Unknown)))))))))
+            (3
+             (((instr_desc
+                (MImmediate
+                 ((immediate_desc
+                   (MImmConst (MConstLiteral (MConstI32 2147483646))))
+                  (immediate_analyses ((last_usage Unknown))))))))))
+           (((instr_desc
+              (MImmediate
+               ((immediate_desc MImmTrap)
+                (immediate_analyses ((last_usage Unknown))))))))
+           (Unmanaged WasmI32)))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 5 (Unmanaged WasmI32))
+        ((instr_desc
+          (MCallKnown (func print_1116)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc
+                 (MImmBinding (MGlobalBind print_1116 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type (((Unmanaged WasmI32) Managed) ((Unmanaged WasmI32))))
+           (args
+            (((immediate_desc
+               (MImmBinding (MLocalBind 4 (Unmanaged WasmI32))))
+              (immediate_analyses ((last_usage Last))))
+             ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstI32 0)))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 6) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1125) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/pattern_matching.c91eac29.0.snapshot b/compiler/test/__snapshots__/pattern_matching.c91eac29.0.snapshot
index 84517d7d6..3843458f8 100644
--- a/compiler/test/__snapshots__/pattern_matching.c91eac29.0.snapshot
+++ b/compiler/test/__snapshots__/pattern_matching.c91eac29.0.snapshot
@@ -1,938 +1,575 @@
 pattern matching › adt_match_3
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1147 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1147 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (local $13 i32)
-  (local $14 i32)
-  (local $15 i32)
-  (local $16 i32)
-  (local $17 i32)
-  (local $18 i32)
-  (local $19 i32)
-  (local $20 i32)
-  (local $21 i32)
-  (local $22 i32)
-  (local $23 i32)
-  (local $24 i32)
-  (local $25 i32)
-  (local $26 i32)
-  (local $27 i32)
-  (local $28 i32)
-  (local $29 i32)
-  (local $30 i32)
-  (local $31 i32)
-  (local $32 i32)
-  (local $33 i32)
-  (block $compile_block.95 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_adt.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_adt.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $6)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.9
-    (local.set $8
-     (block $allocate_adt.7 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 9)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $7)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $compile_store.11
-    (local.set $9
-     (i32.const 0)
-    )
-    (block $do_backpatches.10
-    )
-   )
-   (block $compile_store.13
-    (local.set $10
-     (i32.const 0)
-    )
-    (block $do_backpatches.12
-    )
-   )
-   (block $compile_store.15
-    (local.set $11
-     (i32.const 0)
-    )
-    (block $do_backpatches.14
-    )
-   )
-   (block $compile_store.17
-    (local.set $12
-     (i32.const 0)
-    )
-    (block $do_backpatches.16
-    )
-   )
-   (block $compile_store.19
-    (local.set $13
-     (i32.const 0)
-    )
-    (block $do_backpatches.18
-    )
-   )
-   (block $compile_store.21
-    (local.set $14
-     (i32.const 0)
-    )
-    (block $do_backpatches.20
-    )
-   )
-   (block $compile_store.23
-    (local.set $22
-     (i32.load offset=12
-      (local.get $8)
-     )
-    )
-    (block $do_backpatches.22
-    )
-   )
-   (block $compile_store.25
-    (local.set $23
-     (i32.or
-      (i32.shl
-       (i32.eq
-        (local.get $22)
-        (i32.const 1)
-       )
-       (i32.const 31)
-      )
-      (i32.const 2147483646)
-     )
-    )
-    (block $do_backpatches.24
-    )
-   )
-   (block $compile_store.81
-    (local.set $24
-     (if (result i32)
-      (i32.shr_u
-       (local.get $23)
-       (i32.const 31)
-      )
-      (block $compile_block.74 (result i32)
-       (block $compile_store.27
-        (local.set $15
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (i32.load offset=20
-           (local.get $8)
-          )
-         )
-        )
-        (block $do_backpatches.26
-        )
-       )
-       (block $compile_store.29
-        (local.set $16
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (i32.load offset=24
-           (local.get $8)
-          )
-         )
-        )
-        (block $do_backpatches.28
-        )
-       )
-       (block $compile_store.31
-        (local.set $26
-         (i32.load offset=12
-          (local.get $16)
-         )
-        )
-        (block $do_backpatches.30
-        )
-       )
-       (block $compile_store.33
-        (local.set $27
-         (i32.or
-          (i32.shl
-           (i32.eq
-            (local.get $26)
-            (i32.const 1)
-           )
-           (i32.const 31)
-          )
-          (i32.const 2147483646)
-         )
-        )
-        (block $do_backpatches.32
-        )
-       )
-       (tuple.extract 0
-        (tuple.make
-         (if (result i32)
-          (i32.shr_u
-           (local.get $27)
-           (i32.const 31)
-          )
-          (block $compile_block.67 (result i32)
-           (block $compile_store.36
-            (local.set $17
-             (call $incRef_0
-              (global.get $GRAIN$EXPORT$incRef_0)
-              (i32.load offset=20
-               (local.get $16)
-              )
-             )
-            )
-            (block $do_backpatches.35
-            )
-           )
-           (block $compile_store.38
-            (local.set $18
-             (call $incRef_0
-              (global.get $GRAIN$EXPORT$incRef_0)
-              (i32.load offset=24
-               (local.get $16)
-              )
-             )
-            )
-            (block $do_backpatches.37
-            )
-           )
-           (block $compile_store.40
-            (local.set $29
-             (i32.load offset=12
-              (local.get $18)
-             )
-            )
-            (block $do_backpatches.39
-            )
-           )
-           (block $compile_store.42
-            (local.set $30
-             (i32.or
-              (i32.shl
-               (i32.eq
-                (local.get $29)
-                (i32.const 1)
-               )
-               (i32.const 31)
-              )
-              (i32.const 2147483646)
-             )
-            )
-            (block $do_backpatches.41
-            )
-           )
-           (tuple.extract 0
-            (tuple.make
-             (if (result i32)
-              (i32.shr_u
-               (local.get $30)
-               (i32.const 31)
-              )
-              (block $compile_block.59 (result i32)
-               (block $compile_store.45
-                (local.set $19
-                 (call $incRef_0
-                  (global.get $GRAIN$EXPORT$incRef_0)
-                  (i32.load offset=20
-                   (local.get $18)
-                  )
-                 )
-                )
-                (block $do_backpatches.44
-                )
-               )
-               (block $compile_store.47
-                (local.set $20
-                 (call $incRef_0
-                  (global.get $GRAIN$EXPORT$incRef_0)
-                  (i32.load offset=24
-                   (local.get $18)
-                  )
-                 )
-                )
-                (block $do_backpatches.46
-                )
-               )
-               (block $compile_store.49
-                (local.set $32
-                 (i32.load offset=12
-                  (local.get $20)
-                 )
-                )
-                (block $do_backpatches.48
-                )
-               )
-               (block $cleanup.50
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $20)
-                 )
-                )
-               )
-               (block $compile_store.52
-                (local.set $33
-                 (i32.or
-                  (i32.shl
-                   (i32.eq
-                    (local.get $32)
-                    (i32.const 3)
-                   )
-                   (i32.const 31)
-                  )
-                  (i32.const 2147483646)
-                 )
-                )
-                (block $do_backpatches.51
-                )
-               )
-               (tuple.extract 0
-                (tuple.make
-                 (if (result i32)
-                  (i32.shr_u
-                   (local.get $33)
-                   (i32.const 31)
-                  )
-                  (block $compile_block.57 (result i32)
-                   (drop
-                    (block $compile_set.54 (result i32)
-                     (local.set $12
-                      (tuple.extract 0
-                       (tuple.make
-                        (call $incRef_0
-                         (global.get $GRAIN$EXPORT$incRef_0)
-                         (call $incRef_0
-                          (global.get $GRAIN$EXPORT$incRef_0)
-                          (local.get $15)
-                         )
-                        )
-                        (call $decRef_0
-                         (global.get $GRAIN$EXPORT$decRef_0)
-                         (local.get $12)
-                        )
-                       )
-                      )
-                     )
-                     (i32.const 1879048190)
-                    )
-                   )
-                   (drop
-                    (block $compile_set.55 (result i32)
-                     (local.set $13
-                      (tuple.extract 0
-                       (tuple.make
-                        (call $incRef_0
-                         (global.get $GRAIN$EXPORT$incRef_0)
-                         (call $incRef_0
-                          (global.get $GRAIN$EXPORT$incRef_0)
-                          (local.get $17)
-                         )
-                        )
-                        (call $decRef_0
-                         (global.get $GRAIN$EXPORT$decRef_0)
-                         (local.get $13)
-                        )
-                       )
-                      )
-                     )
-                     (i32.const 1879048190)
-                    )
-                   )
-                   (drop
-                    (block $compile_set.56 (result i32)
-                     (local.set $14
-                      (tuple.extract 0
-                       (tuple.make
-                        (call $incRef_0
-                         (global.get $GRAIN$EXPORT$incRef_0)
-                         (call $incRef_0
-                          (global.get $GRAIN$EXPORT$incRef_0)
-                          (local.get $19)
-                         )
-                        )
-                        (call $decRef_0
-                         (global.get $GRAIN$EXPORT$decRef_0)
-                         (local.get $14)
-                        )
-                       )
-                      )
-                     )
-                     (i32.const 1879048190)
-                    )
-                   )
-                   (i32.const 7)
-                  )
-                  (block $compile_block.58 (result i32)
-                   (i32.const 9)
-                  )
-                 )
-                 (block $cleanup.53 (result i32)
-                  (drop
-                   (call $decRef_0
-                    (global.get $GRAIN$EXPORT$decRef_0)
-                    (local.get $19)
-                   )
-                  )
-                  (i32.const 1879048190)
-                 )
-                )
-               )
-              )
-              (block $compile_block.66 (result i32)
-               (block $compile_store.61
-                (local.set $31
-                 (i32.or
-                  (i32.shl
-                   (i32.eq
-                    (local.get $29)
-                    (i32.const 3)
-                   )
-                   (i32.const 31)
-                  )
-                  (i32.const 2147483646)
-                 )
-                )
-                (block $do_backpatches.60
-                )
-               )
-               (if (result i32)
-                (i32.shr_u
-                 (local.get $31)
-                 (i32.const 31)
-                )
-                (block $compile_block.64 (result i32)
-                 (drop
-                  (block $compile_set.62 (result i32)
-                   (local.set $10
-                    (tuple.extract 0
-                     (tuple.make
-                      (call $incRef_0
-                       (global.get $GRAIN$EXPORT$incRef_0)
-                       (call $incRef_0
-                        (global.get $GRAIN$EXPORT$incRef_0)
-                        (local.get $15)
-                       )
-                      )
-                      (call $decRef_0
-                       (global.get $GRAIN$EXPORT$decRef_0)
-                       (local.get $10)
-                      )
-                     )
-                    )
-                   )
-                   (i32.const 1879048190)
-                  )
-                 )
-                 (drop
-                  (block $compile_set.63 (result i32)
-                   (local.set $11
-                    (tuple.extract 0
-                     (tuple.make
-                      (call $incRef_0
-                       (global.get $GRAIN$EXPORT$incRef_0)
-                       (call $incRef_0
-                        (global.get $GRAIN$EXPORT$incRef_0)
-                        (local.get $17)
-                       )
-                      )
-                      (call $decRef_0
-                       (global.get $GRAIN$EXPORT$decRef_0)
-                       (local.get $11)
-                      )
-                     )
-                    )
-                   )
-                   (i32.const 1879048190)
-                  )
-                 )
-                 (i32.const 5)
-                )
-                (block $compile_block.65 (result i32)
-                 (i32.const 9)
-                )
-               )
-              )
-             )
-             (block $cleanup.43 (result i32)
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $17)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $18)
-               )
-              )
-              (i32.const 1879048190)
-             )
-            )
-           )
-          )
-          (block $compile_block.73 (result i32)
-           (block $compile_store.69
-            (local.set $28
-             (i32.or
-              (i32.shl
-               (i32.eq
-                (local.get $26)
-                (i32.const 3)
-               )
-               (i32.const 31)
-              )
-              (i32.const 2147483646)
-             )
-            )
-            (block $do_backpatches.68
-            )
-           )
-           (if (result i32)
-            (i32.shr_u
-             (local.get $28)
-             (i32.const 31)
-            )
-            (block $compile_block.71 (result i32)
-             (drop
-              (block $compile_set.70 (result i32)
-               (local.set $9
-                (tuple.extract 0
-                 (tuple.make
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (call $incRef_0
-                    (global.get $GRAIN$EXPORT$incRef_0)
-                    (local.get $15)
-                   )
-                  )
-                  (call $decRef_0
-                   (global.get $GRAIN$EXPORT$decRef_0)
-                   (local.get $9)
-                  )
-                 )
-                )
-               )
-               (i32.const 1879048190)
-              )
-             )
-             (i32.const 3)
-            )
-            (block $compile_block.72 (result i32)
-             (i32.const 9)
-            )
-           )
-          )
-         )
-         (block $cleanup.34 (result i32)
-          (drop
-           (call $decRef_0
-            (global.get $GRAIN$EXPORT$decRef_0)
-            (local.get $15)
-           )
-          )
-          (drop
-           (call $decRef_0
-            (global.get $GRAIN$EXPORT$decRef_0)
-            (local.get $16)
-           )
-          )
-          (i32.const 1879048190)
-         )
-        )
-       )
-      )
-      (block $compile_block.79 (result i32)
-       (block $compile_store.76
-        (local.set $25
-         (i32.or
-          (i32.shl
-           (i32.eq
-            (local.get $22)
-            (i32.const 3)
-           )
-           (i32.const 31)
-          )
-          (i32.const 2147483646)
-         )
-        )
-        (block $do_backpatches.75
-        )
-       )
-       (if (result i32)
-        (i32.shr_u
-         (local.get $25)
-         (i32.const 31)
-        )
-        (block $compile_block.77 (result i32)
-         (i32.const 1)
-        )
-        (block $compile_block.78
-         (unreachable)
-        )
-       )
-      )
-     )
-    )
-    (block $do_backpatches.80
-    )
-   )
-   (block $cleanup.82
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $8)
-     )
-    )
-   )
-   (tuple.extract 0
-    (tuple.make
-     (block $switch.84_outer (result i32)
-      (block $switch.84_branch_0 (result i32)
-       (drop
-        (block $switch.84_branch_1 (result i32)
-         (drop
-          (block $switch.84_branch_2 (result i32)
-           (drop
-            (block $switch.84_branch_3 (result i32)
-             (drop
-              (block $switch.84_branch_4 (result i32)
-               (drop
-                (block $switch.84_branch_5 (result i32)
-                 (drop
-                  (block $switch.84_default (result i32)
-                   (br_table $switch.84_branch_1 $switch.84_branch_2 $switch.84_branch_3 $switch.84_branch_4 $switch.84_branch_5 $switch.84_default $switch.84_default
-                    (i32.const 0)
-                    (i32.shr_s
-                     (local.get $24)
-                     (i32.const 1)
-                    )
-                   )
-                  )
-                 )
-                 (br $switch.84_outer
-                  (block $compile_block.94 (result i32)
-                   (unreachable)
-                  )
-                 )
-                )
-               )
-               (br $switch.84_outer
-                (block $compile_block.93 (result i32)
-                 (i32.const 1999)
-                )
-               )
-              )
-             )
-             (br $switch.84_outer
-              (block $compile_block.92
-               (block $compile_store.90
-                (local.set $21
-                 (call $+_1147
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (global.get $+_1147)
-                  )
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (local.get $12)
-                  )
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (local.get $13)
-                  )
-                 )
-                )
-                (block $do_backpatches.89
-                )
-               )
-               (block $cleanup.91
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $9)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $10)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $11)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $12)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $13)
-                 )
-                )
-               )
-               (return_call $+_1147
-                (call $incRef_0
-                 (global.get $GRAIN$EXPORT$incRef_0)
-                 (global.get $+_1147)
-                )
-                (local.get $21)
-                (local.get $14)
-               )
-              )
-             )
-            )
-           )
-           (br $switch.84_outer
-            (block $compile_block.88
-             (block $cleanup.87
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $9)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $12)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $13)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $14)
-               )
-              )
-             )
-             (return_call $+_1147
-              (call $incRef_0
-               (global.get $GRAIN$EXPORT$incRef_0)
-               (global.get $+_1147)
-              )
-              (local.get $10)
-              (local.get $11)
-             )
-            )
-           )
-          )
-         )
-         (br $switch.84_outer
-          (block $compile_block.86 (result i32)
-           (call $incRef_0
-            (global.get $GRAIN$EXPORT$incRef_0)
-            (local.get $9)
-           )
-          )
-         )
-        )
-       )
-       (br $switch.84_outer
-        (block $compile_block.85 (result i32)
-         (i32.const 1)
-        )
-       )
-      )
-     )
-     (block $cleanup.83 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $9)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $10)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $11)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $12)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $13)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $14)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1147) (name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1147) (name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 5)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 4)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 5 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 6 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 7 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 8 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MAdtOp MAdtGetTag
+           ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 (Unmanaged WasmI32))
+        ((instr_desc
+          (MPrim2 Is
+           ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Unknown))))
+           ((immediate_desc (MImmConst (MConstI32 0)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 (Unmanaged WasmI32))
+        ((instr_desc
+          (MIf
+           ((immediate_desc (MImmBinding (MLocalBind 1 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Last))))
+           (((instr_desc
+              (MStore
+               (((MLocalBind 9 Managed)
+                 ((instr_desc
+                   (MAdtOp (MAdtGet 0)
+                    ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MStore
+               (((MLocalBind 10 Managed)
+                 ((instr_desc
+                   (MAdtOp (MAdtGet 1)
+                    ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+                     (immediate_analyses ((last_usage Last))))))))))))
+            ((instr_desc
+              (MStore
+               (((MLocalBind 4 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MAdtOp MAdtGetTag
+                    ((immediate_desc (MImmBinding (MLocalBind 10 Managed)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MStore
+               (((MLocalBind 5 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MPrim2 Is
+                    ((immediate_desc
+                      (MImmBinding (MLocalBind 4 (Unmanaged WasmI32))))
+                     (immediate_analyses ((last_usage Unknown))))
+                    ((immediate_desc (MImmConst (MConstI32 0)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MCleanup
+               (((instr_desc
+                  (MIf
+                   ((immediate_desc
+                     (MImmBinding (MLocalBind 5 (Unmanaged WasmI32))))
+                    (immediate_analyses ((last_usage Last))))
+                   (((instr_desc
+                      (MStore
+                       (((MLocalBind 11 Managed)
+                         ((instr_desc
+                           (MAdtOp (MAdtGet 0)
+                            ((immediate_desc
+                              (MImmBinding (MLocalBind 10 Managed)))
+                             (immediate_analyses ((last_usage Unknown))))))))))))
+                    ((instr_desc
+                      (MStore
+                       (((MLocalBind 12 Managed)
+                         ((instr_desc
+                           (MAdtOp (MAdtGet 1)
+                            ((immediate_desc
+                              (MImmBinding (MLocalBind 10 Managed)))
+                             (immediate_analyses ((last_usage Last))))))))))))
+                    ((instr_desc
+                      (MStore
+                       (((MLocalBind 7 (Unmanaged WasmI32))
+                         ((instr_desc
+                           (MAdtOp MAdtGetTag
+                            ((immediate_desc
+                              (MImmBinding (MLocalBind 12 Managed)))
+                             (immediate_analyses ((last_usage Unknown))))))))))))
+                    ((instr_desc
+                      (MStore
+                       (((MLocalBind 8 (Unmanaged WasmI32))
+                         ((instr_desc
+                           (MPrim2 Is
+                            ((immediate_desc
+                              (MImmBinding
+                               (MLocalBind 7 (Unmanaged WasmI32))))
+                             (immediate_analyses ((last_usage Unknown))))
+                            ((immediate_desc (MImmConst (MConstI32 0)))
+                             (immediate_analyses ((last_usage Unknown))))))))))))
+                    ((instr_desc
+                      (MCleanup
+                       (((instr_desc
+                          (MIf
+                           ((immediate_desc
+                             (MImmBinding (MLocalBind 8 (Unmanaged WasmI32))))
+                            (immediate_analyses ((last_usage Last))))
+                           (((instr_desc
+                              (MStore
+                               (((MLocalBind 13 Managed)
+                                 ((instr_desc
+                                   (MAdtOp (MAdtGet 0)
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 12 Managed)))
+                                     (immediate_analyses
+                                      ((last_usage Unknown))))))))))))
+                            ((instr_desc
+                              (MStore
+                               (((MLocalBind 14 Managed)
+                                 ((instr_desc
+                                   (MAdtOp (MAdtGet 1)
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 12 Managed)))
+                                     (immediate_analyses ((last_usage Last))))))))))))
+                            ((instr_desc
+                              (MStore
+                               (((MLocalBind 10 (Unmanaged WasmI32))
+                                 ((instr_desc
+                                   (MAdtOp MAdtGetTag
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 14 Managed)))
+                                     (immediate_analyses ((last_usage Last))))))))))))
+                            ((instr_desc
+                              (MCleanup ()
+                               (((immediate_desc
+                                  (MImmBinding (MLocalBind 14 Managed)))
+                                 (immediate_analyses ((last_usage Unknown))))))))
+                            ((instr_desc
+                              (MStore
+                               (((MLocalBind 11 (Unmanaged WasmI32))
+                                 ((instr_desc
+                                   (MPrim2 Is
+                                    ((immediate_desc
+                                      (MImmBinding
+                                       (MLocalBind 10 (Unmanaged WasmI32))))
+                                     (immediate_analyses ((last_usage Last))))
+                                    ((immediate_desc
+                                      (MImmConst (MConstI32 1)))
+                                     (immediate_analyses
+                                      ((last_usage Unknown))))))))))))
+                            ((instr_desc
+                              (MCleanup
+                               (((instr_desc
+                                  (MIf
+                                   ((immediate_desc
+                                     (MImmBinding
+                                      (MLocalBind 11 (Unmanaged WasmI32))))
+                                    (immediate_analyses ((last_usage Last))))
+                                   (((instr_desc
+                                      (MDrop
+                                       ((instr_desc
+                                         (MSet (MLocalBind 6 Managed)
+                                          ((instr_desc
+                                            (MImmediate
+                                             ((immediate_desc
+                                               (MIncRef
+                                                ((immediate_desc
+                                                  (MImmBinding
+                                                   (MLocalBind 9 Managed)))
+                                                 (immediate_analyses
+                                                  ((last_usage Unknown))))))
+                                              (immediate_analyses
+                                               ((last_usage Unknown)))))))))))))
+                                    ((instr_desc
+                                      (MDrop
+                                       ((instr_desc
+                                         (MSet (MLocalBind 7 Managed)
+                                          ((instr_desc
+                                            (MImmediate
+                                             ((immediate_desc
+                                               (MIncRef
+                                                ((immediate_desc
+                                                  (MImmBinding
+                                                   (MLocalBind 11 Managed)))
+                                                 (immediate_analyses
+                                                  ((last_usage Unknown))))))
+                                              (immediate_analyses
+                                               ((last_usage Unknown)))))))))))))
+                                    ((instr_desc
+                                      (MDrop
+                                       ((instr_desc
+                                         (MSet (MLocalBind 8 Managed)
+                                          ((instr_desc
+                                            (MImmediate
+                                             ((immediate_desc
+                                               (MIncRef
+                                                ((immediate_desc
+                                                  (MImmBinding
+                                                   (MLocalBind 13 Managed)))
+                                                 (immediate_analyses
+                                                  ((last_usage Last))))))
+                                              (immediate_analyses
+                                               ((last_usage Unknown)))))))))))))
+                                    ((instr_desc
+                                      (MImmediate
+                                       ((immediate_desc
+                                         (MImmConst (MConstI32 3)))
+                                        (immediate_analyses
+                                         ((last_usage Unknown))))))))
+                                   (((instr_desc
+                                      (MImmediate
+                                       ((immediate_desc
+                                         (MImmConst (MConstI32 4)))
+                                        (immediate_analyses
+                                         ((last_usage Unknown))))))))))))
+                               (((immediate_desc
+                                  (MImmBinding (MLocalBind 13 Managed)))
+                                 (immediate_analyses ((last_usage Unknown)))))))))
+                           (((instr_desc
+                              (MStore
+                               (((MLocalBind 9 (Unmanaged WasmI32))
+                                 ((instr_desc
+                                   (MPrim2 Is
+                                    ((immediate_desc
+                                      (MImmBinding
+                                       (MLocalBind 7 (Unmanaged WasmI32))))
+                                     (immediate_analyses ((last_usage Last))))
+                                    ((immediate_desc
+                                      (MImmConst (MConstI32 1)))
+                                     (immediate_analyses
+                                      ((last_usage Unknown))))))))))))
+                            ((instr_desc
+                              (MIf
+                               ((immediate_desc
+                                 (MImmBinding
+                                  (MLocalBind 9 (Unmanaged WasmI32))))
+                                (immediate_analyses ((last_usage Last))))
+                               (((instr_desc
+                                  (MDrop
+                                   ((instr_desc
+                                     (MSet (MLocalBind 4 Managed)
+                                      ((instr_desc
+                                        (MImmediate
+                                         ((immediate_desc
+                                           (MIncRef
+                                            ((immediate_desc
+                                              (MImmBinding
+                                               (MLocalBind 9 Managed)))
+                                             (immediate_analyses
+                                              ((last_usage Unknown))))))
+                                          (immediate_analyses
+                                           ((last_usage Unknown)))))))))))))
+                                ((instr_desc
+                                  (MDrop
+                                   ((instr_desc
+                                     (MSet (MLocalBind 5 Managed)
+                                      ((instr_desc
+                                        (MImmediate
+                                         ((immediate_desc
+                                           (MIncRef
+                                            ((immediate_desc
+                                              (MImmBinding
+                                               (MLocalBind 11 Managed)))
+                                             (immediate_analyses
+                                              ((last_usage Last))))))
+                                          (immediate_analyses
+                                           ((last_usage Unknown)))))))))))))
+                                ((instr_desc
+                                  (MImmediate
+                                   ((immediate_desc
+                                     (MImmConst (MConstI32 2)))
+                                    (immediate_analyses
+                                     ((last_usage Unknown))))))))
+                               (((instr_desc
+                                  (MImmediate
+                                   ((immediate_desc
+                                     (MImmConst (MConstI32 4)))
+                                    (immediate_analyses
+                                     ((last_usage Unknown))))))))))))))))
+                       (((immediate_desc
+                          (MImmBinding (MLocalBind 12 Managed)))
+                         (immediate_analyses ((last_usage Unknown))))
+                        ((immediate_desc
+                          (MImmBinding (MLocalBind 11 Managed)))
+                         (immediate_analyses ((last_usage Unknown)))))))))
+                   (((instr_desc
+                      (MStore
+                       (((MLocalBind 6 (Unmanaged WasmI32))
+                         ((instr_desc
+                           (MPrim2 Is
+                            ((immediate_desc
+                              (MImmBinding
+                               (MLocalBind 4 (Unmanaged WasmI32))))
+                             (immediate_analyses ((last_usage Last))))
+                            ((immediate_desc (MImmConst (MConstI32 1)))
+                             (immediate_analyses ((last_usage Unknown))))))))))))
+                    ((instr_desc
+                      (MIf
+                       ((immediate_desc
+                         (MImmBinding (MLocalBind 6 (Unmanaged WasmI32))))
+                        (immediate_analyses ((last_usage Last))))
+                       (((instr_desc
+                          (MDrop
+                           ((instr_desc
+                             (MSet (MLocalBind 3 Managed)
+                              ((instr_desc
+                                (MImmediate
+                                 ((immediate_desc
+                                   (MIncRef
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 9 Managed)))
+                                     (immediate_analyses ((last_usage Last))))))
+                                  (immediate_analyses ((last_usage Unknown)))))))))))))
+                        ((instr_desc
+                          (MImmediate
+                           ((immediate_desc (MImmConst (MConstI32 1)))
+                            (immediate_analyses ((last_usage Unknown))))))))
+                       (((instr_desc
+                          (MImmediate
+                           ((immediate_desc (MImmConst (MConstI32 4)))
+                            (immediate_analyses ((last_usage Unknown))))))))))))))))
+               (((immediate_desc (MImmBinding (MLocalBind 10 Managed)))
+                 (immediate_analyses ((last_usage Unknown))))
+                ((immediate_desc (MImmBinding (MLocalBind 9 Managed)))
+                 (immediate_analyses ((last_usage Unknown)))))))))
+           (((instr_desc
+              (MStore
+               (((MLocalBind 3 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MPrim2 Is
+                    ((immediate_desc
+                      (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+                     (immediate_analyses ((last_usage Last))))
+                    ((immediate_desc (MImmConst (MConstI32 1)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MIf
+               ((immediate_desc
+                 (MImmBinding (MLocalBind 3 (Unmanaged WasmI32))))
+                (immediate_analyses ((last_usage Last))))
+               (((instr_desc
+                  (MImmediate
+                   ((immediate_desc (MImmConst (MConstI32 0)))
+                    (immediate_analyses ((last_usage Unknown))))))))
+               (((instr_desc
+                  (MImmediate
+                   ((immediate_desc MImmTrap)
+                    (immediate_analyses ((last_usage Unknown))))))))))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MCleanup
+      (((instr_desc
+         (MSwitch
+          ((immediate_desc (MImmBinding (MLocalBind 2 (Unmanaged WasmI32))))
+           (immediate_analyses ((last_usage Last))))
+          ((0
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc (MImmConst (MConstI32 0)))
+                 (immediate_analyses ((last_usage Unknown)))))))))
+           (1
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc
+                  (MIncRef
+                   ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+                    (immediate_analyses ((last_usage Last))))))
+                 (immediate_analyses ((last_usage Unknown)))))))))
+           (2
+            (((instr_desc
+               (MCleanup ()
+                (((immediate_desc (MImmBinding (MLocalBind 8 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))))))
+             ((instr_desc
+               (MReturnCallKnown (func +_1147)
+                (closure
+                 ((immediate_desc
+                   (MIncRef
+                    ((immediate_desc
+                      (MImmBinding (MGlobalBind +_1147 Managed)))
+                     (immediate_analyses ((last_usage TailCallLast))))))
+                  (immediate_analyses ((last_usage Unknown)))))
+                (func_type ((Managed Managed) (Managed)))
+                (args
+                 (((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+                   (immediate_analyses ((last_usage Last))))
+                  ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+                   (immediate_analyses ((last_usage Last)))))))))))
+           (3
+            (((instr_desc
+               (MStore
+                (((MLocalBind 15 Managed)
+                  ((instr_desc
+                    (MCallKnown (func +_1147)
+                     (closure
+                      ((immediate_desc
+                        (MIncRef
+                         ((immediate_desc
+                           (MImmBinding (MGlobalBind +_1147 Managed)))
+                          (immediate_analyses ((last_usage Unknown))))))
+                       (immediate_analyses ((last_usage Unknown)))))
+                     (func_type ((Managed Managed) (Managed)))
+                     (args
+                      (((immediate_desc
+                         (MIncRef
+                          ((immediate_desc
+                            (MImmBinding (MLocalBind 6 Managed)))
+                           (immediate_analyses ((last_usage Last))))))
+                        (immediate_analyses ((last_usage Unknown))))
+                       ((immediate_desc
+                         (MIncRef
+                          ((immediate_desc
+                            (MImmBinding (MLocalBind 7 Managed)))
+                           (immediate_analyses ((last_usage Last))))))
+                        (immediate_analyses ((last_usage Unknown))))))))))))))
+             ((instr_desc
+               (MCleanup ()
+                (((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))))))
+             ((instr_desc
+               (MReturnCallKnown (func +_1147)
+                (closure
+                 ((immediate_desc
+                   (MIncRef
+                    ((immediate_desc
+                      (MImmBinding (MGlobalBind +_1147 Managed)))
+                     (immediate_analyses ((last_usage Last))))))
+                  (immediate_analyses ((last_usage Unknown)))))
+                (func_type ((Managed Managed) (Managed)))
+                (args
+                 (((immediate_desc (MImmBinding (MLocalBind 15 Managed)))
+                   (immediate_analyses ((last_usage Last))))
+                  ((immediate_desc (MImmBinding (MLocalBind 8 Managed)))
+                   (immediate_analyses ((last_usage Last)))))))))))
+           (4
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc (MImmConst (MConstI32 999)))
+                 (immediate_analyses ((last_usage Unknown))))))))))
+          (((instr_desc
+             (MImmediate
+              ((immediate_desc MImmTrap)
+               (immediate_analyses ((last_usage Unknown))))))))
+          Managed))))
+      (((immediate_desc (MImmBinding (MLocalBind 8 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 16) (stack_size_i32 12) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1150) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/pattern_matching.c9582b6d.0.snapshot b/compiler/test/__snapshots__/pattern_matching.c9582b6d.0.snapshot
index 7c85f281a..b4ba4736d 100644
--- a/compiler/test/__snapshots__/pattern_matching.c9582b6d.0.snapshot
+++ b/compiler/test/__snapshots__/pattern_matching.c9582b6d.0.snapshot
@@ -1,364 +1,200 @@
 pattern matching › alias_match_4
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/equal.gr\" \"GRAIN$EXPORT$equal\" (global $GRAIN$EXPORT$equal_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/equal.gr\" \"equal\" (func $equal_0 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (local $13 i32)
-  (local $14 i32)
-  (block $compile_block.38 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_adt.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 24)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 501102191)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 11)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.5
-    (local.set $7
-     (i32.const 0)
-    )
-    (block $do_backpatches.4
-    )
-   )
-   (block $compile_store.7
-    (local.set $9
-     (i32.load offset=12
-      (local.get $6)
-     )
-    )
-    (block $do_backpatches.6
-    )
-   )
-   (block $compile_store.9
-    (local.set $10
-     (i32.or
-      (i32.shl
-       (i32.eq
-        (local.get $9)
-        (i32.const 3)
-       )
-       (i32.const 31)
-      )
-      (i32.const 2147483646)
-     )
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $compile_store.30
-    (local.set $11
-     (if (result i32)
-      (i32.shr_u
-       (local.get $10)
-       (i32.const 31)
-      )
-      (block $compile_block.10 (result i32)
-       (i32.const 3)
-      )
-      (block $compile_block.28 (result i32)
-       (block $compile_store.12
-        (local.set $12
-         (i32.or
-          (i32.shl
-           (i32.eq
-            (local.get $9)
-            (i32.const 1)
-           )
-           (i32.const 31)
-          )
-          (i32.const 2147483646)
-         )
-        )
-        (block $do_backpatches.11
-        )
-       )
-       (if (result i32)
-        (i32.shr_u
-         (local.get $12)
-         (i32.const 31)
-        )
-        (block $compile_block.26 (result i32)
-         (block $compile_store.14
-          (local.set $8
-           (call $incRef_0
-            (global.get $GRAIN$EXPORT$incRef_0)
-            (i32.load offset=20
-             (local.get $6)
-            )
-           )
-          )
-          (block $do_backpatches.13
-          )
-         )
-         (block $compile_store.16
-          (local.set $13
-           (call $equal_0
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (global.get $GRAIN$EXPORT$equal_0)
-            )
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (local.get $8)
-            )
-            (i32.const 7)
-           )
-          )
-          (block $do_backpatches.15
-          )
-         )
-         (tuple.extract 0
-          (tuple.make
-           (if (result i32)
-            (i32.shr_u
-             (local.get $13)
-             (i32.const 31)
-            )
-            (block $compile_block.19 (result i32)
-             (drop
-              (block $compile_set.18 (result i32)
-               (local.set $7
-                (tuple.extract 0
-                 (tuple.make
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (call $incRef_0
-                    (global.get $GRAIN$EXPORT$incRef_0)
-                    (local.get $8)
-                   )
-                  )
-                  (call $decRef_0
-                   (global.get $GRAIN$EXPORT$decRef_0)
-                   (local.get $7)
-                  )
-                 )
-                )
-               )
-               (i32.const 1879048190)
-              )
-             )
-             (i32.const 1)
-            )
-            (block $compile_block.25 (result i32)
-             (block $compile_store.21
-              (local.set $14
-               (call $equal_0
-                (call $incRef_0
-                 (global.get $GRAIN$EXPORT$incRef_0)
-                 (global.get $GRAIN$EXPORT$equal_0)
-                )
-                (call $incRef_0
-                 (global.get $GRAIN$EXPORT$incRef_0)
-                 (local.get $8)
-                )
-                (i32.const 9)
-               )
-              )
-              (block $do_backpatches.20
-              )
-             )
-             (if (result i32)
-              (i32.shr_u
-               (local.get $14)
-               (i32.const 31)
-              )
-              (block $compile_block.23 (result i32)
-               (drop
-                (block $compile_set.22 (result i32)
-                 (local.set $7
-                  (tuple.extract 0
-                   (tuple.make
-                    (call $incRef_0
-                     (global.get $GRAIN$EXPORT$incRef_0)
-                     (call $incRef_0
-                      (global.get $GRAIN$EXPORT$incRef_0)
-                      (local.get $8)
-                     )
-                    )
-                    (call $decRef_0
-                     (global.get $GRAIN$EXPORT$decRef_0)
-                     (local.get $7)
-                    )
-                   )
-                  )
-                 )
-                 (i32.const 1879048190)
-                )
-               )
-               (i32.const 1)
-              )
-              (block $compile_block.24 (result i32)
-               (i32.const 3)
-              )
-             )
-            )
-           )
-           (block $cleanup.17 (result i32)
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $8)
-             )
-            )
-            (i32.const 1879048190)
-           )
-          )
-         )
-        )
-        (block $compile_block.27 (result i32)
-         (i32.const 5)
-        )
-       )
-      )
-     )
-    )
-    (block $do_backpatches.29
-    )
-   )
-   (block $cleanup.31
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $6)
-     )
-    )
-   )
-   (tuple.extract 0
-    (tuple.make
-     (block $switch.33_outer (result i32)
-      (block $switch.33_branch_0 (result i32)
-       (drop
-        (block $switch.33_branch_1 (result i32)
-         (drop
-          (block $switch.33_branch_2 (result i32)
-           (drop
-            (block $switch.33_branch_3 (result i32)
-             (drop
-              (block $switch.33_default (result i32)
-               (br_table $switch.33_branch_1 $switch.33_branch_2 $switch.33_branch_3 $switch.33_default $switch.33_default
-                (i32.const 0)
-                (i32.shr_s
-                 (local.get $11)
-                 (i32.const 1)
-                )
-               )
-              )
-             )
-             (br $switch.33_outer
-              (block $compile_block.37 (result i32)
-               (unreachable)
-              )
-             )
-            )
-           )
-           (br $switch.33_outer
-            (block $compile_block.36 (result i32)
-             (i32.const 13)
-            )
-           )
-          )
-         )
-         (br $switch.33_outer
-          (block $compile_block.35 (result i32)
-           (i32.const 11)
-          )
-         )
-        )
-       )
-       (br $switch.33_outer
-        (block $compile_block.34 (result i32)
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (local.get $7)
-         )
-        )
-       )
-      )
-     )
-     (block $cleanup.32 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $7)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 250551095)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 3)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 5)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MAdtOp MAdtGetTag
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 (Unmanaged WasmI32))
+        ((instr_desc
+          (MPrim2 Is
+           ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Unknown))))
+           ((immediate_desc (MImmConst (MConstI32 1)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 (Unmanaged WasmI32))
+        ((instr_desc
+          (MIf
+           ((immediate_desc (MImmBinding (MLocalBind 1 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Last))))
+           (((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmConst (MConstI32 1)))
+                (immediate_analyses ((last_usage Unknown))))))))
+           (((instr_desc
+              (MStore
+               (((MLocalBind 3 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MPrim2 Is
+                    ((immediate_desc
+                      (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+                     (immediate_analyses ((last_usage Last))))
+                    ((immediate_desc (MImmConst (MConstI32 0)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MIf
+               ((immediate_desc
+                 (MImmBinding (MLocalBind 3 (Unmanaged WasmI32))))
+                (immediate_analyses ((last_usage Last))))
+               (((instr_desc
+                  (MStore
+                   (((MLocalBind 2 Managed)
+                     ((instr_desc
+                       (MAdtOp (MAdtGet 0)
+                        ((immediate_desc
+                          (MImmBinding (MLocalBind 0 Managed)))
+                         (immediate_analyses ((last_usage Last))))))))))))
+                ((instr_desc
+                  (MStore
+                   (((MLocalBind 4 (Unmanaged WasmI32))
+                     ((instr_desc
+                       (MPrim2 Eq
+                        ((immediate_desc
+                          (MIncRef
+                           ((immediate_desc
+                             (MImmBinding (MLocalBind 2 Managed)))
+                            (immediate_analyses ((last_usage Unknown))))))
+                         (immediate_analyses ((last_usage Unknown))))
+                        ((immediate_desc (MImmConst (MConstI32 3)))
+                         (immediate_analyses ((last_usage Unknown))))))))))))
+                ((instr_desc
+                  (MCleanup
+                   (((instr_desc
+                      (MIf
+                       ((immediate_desc
+                         (MImmBinding (MLocalBind 4 (Unmanaged WasmI32))))
+                        (immediate_analyses ((last_usage Last))))
+                       (((instr_desc
+                          (MDrop
+                           ((instr_desc
+                             (MSet (MLocalBind 1 Managed)
+                              ((instr_desc
+                                (MImmediate
+                                 ((immediate_desc
+                                   (MIncRef
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 2 Managed)))
+                                     (immediate_analyses
+                                      ((last_usage Unknown))))))
+                                  (immediate_analyses ((last_usage Unknown)))))))))))))
+                        ((instr_desc
+                          (MImmediate
+                           ((immediate_desc (MImmConst (MConstI32 0)))
+                            (immediate_analyses ((last_usage Unknown))))))))
+                       (((instr_desc
+                          (MStore
+                           (((MLocalBind 5 (Unmanaged WasmI32))
+                             ((instr_desc
+                               (MPrim2 Eq
+                                ((immediate_desc
+                                  (MIncRef
+                                   ((immediate_desc
+                                     (MImmBinding (MLocalBind 2 Managed)))
+                                    (immediate_analyses
+                                     ((last_usage Unknown))))))
+                                 (immediate_analyses ((last_usage Unknown))))
+                                ((immediate_desc (MImmConst (MConstI32 4)))
+                                 (immediate_analyses ((last_usage Unknown))))))))))))
+                        ((instr_desc
+                          (MIf
+                           ((immediate_desc
+                             (MImmBinding (MLocalBind 5 (Unmanaged WasmI32))))
+                            (immediate_analyses ((last_usage Last))))
+                           (((instr_desc
+                              (MDrop
+                               ((instr_desc
+                                 (MSet (MLocalBind 1 Managed)
+                                  ((instr_desc
+                                    (MImmediate
+                                     ((immediate_desc
+                                       (MIncRef
+                                        ((immediate_desc
+                                          (MImmBinding
+                                           (MLocalBind 2 Managed)))
+                                         (immediate_analyses
+                                          ((last_usage Last))))))
+                                      (immediate_analyses
+                                       ((last_usage Unknown)))))))))))))
+                            ((instr_desc
+                              (MImmediate
+                               ((immediate_desc (MImmConst (MConstI32 0)))
+                                (immediate_analyses ((last_usage Unknown))))))))
+                           (((instr_desc
+                              (MImmediate
+                               ((immediate_desc (MImmConst (MConstI32 1)))
+                                (immediate_analyses ((last_usage Unknown))))))))))))))))
+                   (((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+                     (immediate_analyses ((last_usage Unknown)))))))))
+               (((instr_desc
+                  (MImmediate
+                   ((immediate_desc (MImmConst (MConstI32 2)))
+                    (immediate_analyses ((last_usage Unknown))))))))))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MCleanup
+      (((instr_desc
+         (MSwitch
+          ((immediate_desc (MImmBinding (MLocalBind 2 (Unmanaged WasmI32))))
+           (immediate_analyses ((last_usage Last))))
+          ((0
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc
+                  (MIncRef
+                   ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+                    (immediate_analyses ((last_usage Last))))))
+                 (immediate_analyses ((last_usage Unknown)))))))))
+           (1
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc (MImmConst (MConstI32 5)))
+                 (immediate_analyses ((last_usage Unknown)))))))))
+           (2
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc (MImmConst (MConstI32 6)))
+                 (immediate_analyses ((last_usage Unknown))))))))))
+          (((instr_desc
+             (MImmediate
+              ((immediate_desc MImmTrap)
+               (immediate_analyses ((last_usage Unknown))))))))
+          Managed))))
+      (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 3) (stack_size_i32 6) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1129) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/pattern_matching.d048ece0.0.snapshot b/compiler/test/__snapshots__/pattern_matching.d048ece0.0.snapshot
index 95070d137..7c7eb0ffb 100644
--- a/compiler/test/__snapshots__/pattern_matching.d048ece0.0.snapshot
+++ b/compiler/test/__snapshots__/pattern_matching.d048ece0.0.snapshot
@@ -1,1024 +1,607 @@
 pattern matching › adt_match_5
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1151 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1151 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (local $13 i32)
-  (local $14 i32)
-  (local $15 i32)
-  (local $16 i32)
-  (local $17 i32)
-  (local $18 i32)
-  (local $19 i32)
-  (local $20 i32)
-  (local $21 i32)
-  (local $22 i32)
-  (local $23 i32)
-  (local $24 i32)
-  (local $25 i32)
-  (local $26 i32)
-  (local $27 i32)
-  (local $28 i32)
-  (local $29 i32)
-  (local $30 i32)
-  (local $31 i32)
-  (local $32 i32)
-  (local $33 i32)
-  (local $34 i32)
-  (local $35 i32)
-  (block $compile_block.101 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_adt.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_adt.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 15)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $6)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.9
-    (local.set $8
-     (block $allocate_adt.7 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 13)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $7)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $compile_store.12
-    (local.set $9
-     (block $allocate_adt.10 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $8)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.11
-    )
-   )
-   (block $compile_store.15
-    (local.set $10
-     (block $allocate_adt.13 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 9)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $9)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.14
-    )
-   )
-   (block $compile_store.17
-    (local.set $11
-     (i32.const 0)
-    )
-    (block $do_backpatches.16
-    )
-   )
-   (block $compile_store.19
-    (local.set $12
-     (i32.const 0)
-    )
-    (block $do_backpatches.18
-    )
-   )
-   (block $compile_store.21
-    (local.set $13
-     (i32.const 0)
-    )
-    (block $do_backpatches.20
-    )
-   )
-   (block $compile_store.23
-    (local.set $14
-     (i32.const 0)
-    )
-    (block $do_backpatches.22
-    )
-   )
-   (block $compile_store.25
-    (local.set $15
-     (i32.const 0)
-    )
-    (block $do_backpatches.24
-    )
-   )
-   (block $compile_store.27
-    (local.set $16
-     (i32.const 0)
-    )
-    (block $do_backpatches.26
-    )
-   )
-   (block $compile_store.29
-    (local.set $24
-     (i32.load offset=12
-      (local.get $10)
-     )
-    )
-    (block $do_backpatches.28
-    )
-   )
-   (block $compile_store.31
-    (local.set $25
-     (i32.or
-      (i32.shl
-       (i32.eq
-        (local.get $24)
-        (i32.const 1)
-       )
-       (i32.const 31)
-      )
-      (i32.const 2147483646)
-     )
-    )
-    (block $do_backpatches.30
-    )
-   )
-   (block $compile_store.87
-    (local.set $26
-     (if (result i32)
-      (i32.shr_u
-       (local.get $25)
-       (i32.const 31)
-      )
-      (block $compile_block.80 (result i32)
-       (block $compile_store.33
-        (local.set $17
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (i32.load offset=20
-           (local.get $10)
-          )
-         )
-        )
-        (block $do_backpatches.32
-        )
-       )
-       (block $compile_store.35
-        (local.set $18
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (i32.load offset=24
-           (local.get $10)
-          )
-         )
-        )
-        (block $do_backpatches.34
-        )
-       )
-       (block $compile_store.37
-        (local.set $28
-         (i32.load offset=12
-          (local.get $18)
-         )
-        )
-        (block $do_backpatches.36
-        )
-       )
-       (block $compile_store.39
-        (local.set $29
-         (i32.or
-          (i32.shl
-           (i32.eq
-            (local.get $28)
-            (i32.const 1)
-           )
-           (i32.const 31)
-          )
-          (i32.const 2147483646)
-         )
-        )
-        (block $do_backpatches.38
-        )
-       )
-       (tuple.extract 0
-        (tuple.make
-         (if (result i32)
-          (i32.shr_u
-           (local.get $29)
-           (i32.const 31)
-          )
-          (block $compile_block.73 (result i32)
-           (block $compile_store.42
-            (local.set $19
-             (call $incRef_0
-              (global.get $GRAIN$EXPORT$incRef_0)
-              (i32.load offset=20
-               (local.get $18)
-              )
-             )
-            )
-            (block $do_backpatches.41
-            )
-           )
-           (block $compile_store.44
-            (local.set $20
-             (call $incRef_0
-              (global.get $GRAIN$EXPORT$incRef_0)
-              (i32.load offset=24
-               (local.get $18)
-              )
-             )
-            )
-            (block $do_backpatches.43
-            )
-           )
-           (block $compile_store.46
-            (local.set $31
-             (i32.load offset=12
-              (local.get $20)
-             )
-            )
-            (block $do_backpatches.45
-            )
-           )
-           (block $compile_store.48
-            (local.set $32
-             (i32.or
-              (i32.shl
-               (i32.eq
-                (local.get $31)
-                (i32.const 1)
-               )
-               (i32.const 31)
-              )
-              (i32.const 2147483646)
-             )
-            )
-            (block $do_backpatches.47
-            )
-           )
-           (tuple.extract 0
-            (tuple.make
-             (if (result i32)
-              (i32.shr_u
-               (local.get $32)
-               (i32.const 31)
-              )
-              (block $compile_block.65 (result i32)
-               (block $compile_store.51
-                (local.set $21
-                 (call $incRef_0
-                  (global.get $GRAIN$EXPORT$incRef_0)
-                  (i32.load offset=20
-                   (local.get $20)
-                  )
-                 )
-                )
-                (block $do_backpatches.50
-                )
-               )
-               (block $compile_store.53
-                (local.set $22
-                 (call $incRef_0
-                  (global.get $GRAIN$EXPORT$incRef_0)
-                  (i32.load offset=24
-                   (local.get $20)
-                  )
-                 )
-                )
-                (block $do_backpatches.52
-                )
-               )
-               (block $compile_store.55
-                (local.set $34
-                 (i32.load offset=12
-                  (local.get $22)
-                 )
-                )
-                (block $do_backpatches.54
-                )
-               )
-               (block $cleanup.56
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $22)
-                 )
-                )
-               )
-               (block $compile_store.58
-                (local.set $35
-                 (i32.or
-                  (i32.shl
-                   (i32.eq
-                    (local.get $34)
-                    (i32.const 3)
-                   )
-                   (i32.const 31)
-                  )
-                  (i32.const 2147483646)
-                 )
-                )
-                (block $do_backpatches.57
-                )
-               )
-               (tuple.extract 0
-                (tuple.make
-                 (if (result i32)
-                  (i32.shr_u
-                   (local.get $35)
-                   (i32.const 31)
-                  )
-                  (block $compile_block.63 (result i32)
-                   (drop
-                    (block $compile_set.60 (result i32)
-                     (local.set $14
-                      (tuple.extract 0
-                       (tuple.make
-                        (call $incRef_0
-                         (global.get $GRAIN$EXPORT$incRef_0)
-                         (call $incRef_0
-                          (global.get $GRAIN$EXPORT$incRef_0)
-                          (local.get $17)
-                         )
-                        )
-                        (call $decRef_0
-                         (global.get $GRAIN$EXPORT$decRef_0)
-                         (local.get $14)
-                        )
-                       )
-                      )
-                     )
-                     (i32.const 1879048190)
-                    )
-                   )
-                   (drop
-                    (block $compile_set.61 (result i32)
-                     (local.set $15
-                      (tuple.extract 0
-                       (tuple.make
-                        (call $incRef_0
-                         (global.get $GRAIN$EXPORT$incRef_0)
-                         (call $incRef_0
-                          (global.get $GRAIN$EXPORT$incRef_0)
-                          (local.get $19)
-                         )
-                        )
-                        (call $decRef_0
-                         (global.get $GRAIN$EXPORT$decRef_0)
-                         (local.get $15)
-                        )
-                       )
-                      )
-                     )
-                     (i32.const 1879048190)
-                    )
-                   )
-                   (drop
-                    (block $compile_set.62 (result i32)
-                     (local.set $16
-                      (tuple.extract 0
-                       (tuple.make
-                        (call $incRef_0
-                         (global.get $GRAIN$EXPORT$incRef_0)
-                         (call $incRef_0
-                          (global.get $GRAIN$EXPORT$incRef_0)
-                          (local.get $21)
-                         )
-                        )
-                        (call $decRef_0
-                         (global.get $GRAIN$EXPORT$decRef_0)
-                         (local.get $16)
-                        )
-                       )
-                      )
-                     )
-                     (i32.const 1879048190)
-                    )
-                   )
-                   (i32.const 7)
-                  )
-                  (block $compile_block.64 (result i32)
-                   (i32.const 9)
-                  )
-                 )
-                 (block $cleanup.59 (result i32)
-                  (drop
-                   (call $decRef_0
-                    (global.get $GRAIN$EXPORT$decRef_0)
-                    (local.get $21)
-                   )
-                  )
-                  (i32.const 1879048190)
-                 )
-                )
-               )
-              )
-              (block $compile_block.72 (result i32)
-               (block $compile_store.67
-                (local.set $33
-                 (i32.or
-                  (i32.shl
-                   (i32.eq
-                    (local.get $31)
-                    (i32.const 3)
-                   )
-                   (i32.const 31)
-                  )
-                  (i32.const 2147483646)
-                 )
-                )
-                (block $do_backpatches.66
-                )
-               )
-               (if (result i32)
-                (i32.shr_u
-                 (local.get $33)
-                 (i32.const 31)
-                )
-                (block $compile_block.70 (result i32)
-                 (drop
-                  (block $compile_set.68 (result i32)
-                   (local.set $12
-                    (tuple.extract 0
-                     (tuple.make
-                      (call $incRef_0
-                       (global.get $GRAIN$EXPORT$incRef_0)
-                       (call $incRef_0
-                        (global.get $GRAIN$EXPORT$incRef_0)
-                        (local.get $17)
-                       )
-                      )
-                      (call $decRef_0
-                       (global.get $GRAIN$EXPORT$decRef_0)
-                       (local.get $12)
-                      )
-                     )
-                    )
-                   )
-                   (i32.const 1879048190)
-                  )
-                 )
-                 (drop
-                  (block $compile_set.69 (result i32)
-                   (local.set $13
-                    (tuple.extract 0
-                     (tuple.make
-                      (call $incRef_0
-                       (global.get $GRAIN$EXPORT$incRef_0)
-                       (call $incRef_0
-                        (global.get $GRAIN$EXPORT$incRef_0)
-                        (local.get $19)
-                       )
-                      )
-                      (call $decRef_0
-                       (global.get $GRAIN$EXPORT$decRef_0)
-                       (local.get $13)
-                      )
-                     )
-                    )
-                   )
-                   (i32.const 1879048190)
-                  )
-                 )
-                 (i32.const 5)
-                )
-                (block $compile_block.71 (result i32)
-                 (i32.const 9)
-                )
-               )
-              )
-             )
-             (block $cleanup.49 (result i32)
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $19)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $20)
-               )
-              )
-              (i32.const 1879048190)
-             )
-            )
-           )
-          )
-          (block $compile_block.79 (result i32)
-           (block $compile_store.75
-            (local.set $30
-             (i32.or
-              (i32.shl
-               (i32.eq
-                (local.get $28)
-                (i32.const 3)
-               )
-               (i32.const 31)
-              )
-              (i32.const 2147483646)
-             )
-            )
-            (block $do_backpatches.74
-            )
-           )
-           (if (result i32)
-            (i32.shr_u
-             (local.get $30)
-             (i32.const 31)
-            )
-            (block $compile_block.77 (result i32)
-             (drop
-              (block $compile_set.76 (result i32)
-               (local.set $11
-                (tuple.extract 0
-                 (tuple.make
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (call $incRef_0
-                    (global.get $GRAIN$EXPORT$incRef_0)
-                    (local.get $17)
-                   )
-                  )
-                  (call $decRef_0
-                   (global.get $GRAIN$EXPORT$decRef_0)
-                   (local.get $11)
-                  )
-                 )
-                )
-               )
-               (i32.const 1879048190)
-              )
-             )
-             (i32.const 3)
-            )
-            (block $compile_block.78 (result i32)
-             (i32.const 9)
-            )
-           )
-          )
-         )
-         (block $cleanup.40 (result i32)
-          (drop
-           (call $decRef_0
-            (global.get $GRAIN$EXPORT$decRef_0)
-            (local.get $17)
-           )
-          )
-          (drop
-           (call $decRef_0
-            (global.get $GRAIN$EXPORT$decRef_0)
-            (local.get $18)
-           )
-          )
-          (i32.const 1879048190)
-         )
-        )
-       )
-      )
-      (block $compile_block.85 (result i32)
-       (block $compile_store.82
-        (local.set $27
-         (i32.or
-          (i32.shl
-           (i32.eq
-            (local.get $24)
-            (i32.const 3)
-           )
-           (i32.const 31)
-          )
-          (i32.const 2147483646)
-         )
-        )
-        (block $do_backpatches.81
-        )
-       )
-       (if (result i32)
-        (i32.shr_u
-         (local.get $27)
-         (i32.const 31)
-        )
-        (block $compile_block.83 (result i32)
-         (i32.const 1)
-        )
-        (block $compile_block.84
-         (unreachable)
-        )
-       )
-      )
-     )
-    )
-    (block $do_backpatches.86
-    )
-   )
-   (block $cleanup.88
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $10)
-     )
-    )
-   )
-   (tuple.extract 0
-    (tuple.make
-     (block $switch.90_outer (result i32)
-      (block $switch.90_branch_0 (result i32)
-       (drop
-        (block $switch.90_branch_1 (result i32)
-         (drop
-          (block $switch.90_branch_2 (result i32)
-           (drop
-            (block $switch.90_branch_3 (result i32)
-             (drop
-              (block $switch.90_branch_4 (result i32)
-               (drop
-                (block $switch.90_branch_5 (result i32)
-                 (drop
-                  (block $switch.90_default (result i32)
-                   (br_table $switch.90_branch_1 $switch.90_branch_2 $switch.90_branch_3 $switch.90_branch_4 $switch.90_branch_5 $switch.90_default $switch.90_default
-                    (i32.const 0)
-                    (i32.shr_s
-                     (local.get $26)
-                     (i32.const 1)
-                    )
-                   )
-                  )
-                 )
-                 (br $switch.90_outer
-                  (block $compile_block.100 (result i32)
-                   (unreachable)
-                  )
-                 )
-                )
-               )
-               (br $switch.90_outer
-                (block $compile_block.99 (result i32)
-                 (i32.const 1999)
-                )
-               )
-              )
-             )
-             (br $switch.90_outer
-              (block $compile_block.98
-               (block $compile_store.96
-                (local.set $23
-                 (call $+_1151
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (global.get $+_1151)
-                  )
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (local.get $14)
-                  )
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (local.get $15)
-                  )
-                 )
-                )
-                (block $do_backpatches.95
-                )
-               )
-               (block $cleanup.97
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $11)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $12)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $13)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $14)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $15)
-                 )
-                )
-               )
-               (return_call $+_1151
-                (call $incRef_0
-                 (global.get $GRAIN$EXPORT$incRef_0)
-                 (global.get $+_1151)
-                )
-                (local.get $23)
-                (local.get $16)
-               )
-              )
-             )
-            )
-           )
-           (br $switch.90_outer
-            (block $compile_block.94
-             (block $cleanup.93
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $11)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $14)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $15)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $16)
-               )
-              )
-             )
-             (return_call $+_1151
-              (call $incRef_0
-               (global.get $GRAIN$EXPORT$incRef_0)
-               (global.get $+_1151)
-              )
-              (local.get $12)
-              (local.get $13)
-             )
-            )
-           )
-          )
-         )
-         (br $switch.90_outer
-          (block $compile_block.92 (result i32)
-           (call $incRef_0
-            (global.get $GRAIN$EXPORT$incRef_0)
-            (local.get $11)
-           )
-          )
-         )
-        )
-       )
-       (br $switch.90_outer
-        (block $compile_block.91 (result i32)
-         (i32.const 1)
-        )
-       )
-      )
-     )
-     (block $cleanup.89 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $11)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $12)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $13)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $14)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $15)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $16)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1151) (name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1151) (name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 7)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 6)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 5)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 4)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 5 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 6 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 7 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 8 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 9 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 10 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MAdtOp MAdtGetTag
+           ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 (Unmanaged WasmI32))
+        ((instr_desc
+          (MPrim2 Is
+           ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Unknown))))
+           ((immediate_desc (MImmConst (MConstI32 0)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 (Unmanaged WasmI32))
+        ((instr_desc
+          (MIf
+           ((immediate_desc (MImmBinding (MLocalBind 1 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Last))))
+           (((instr_desc
+              (MStore
+               (((MLocalBind 11 Managed)
+                 ((instr_desc
+                   (MAdtOp (MAdtGet 0)
+                    ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MStore
+               (((MLocalBind 12 Managed)
+                 ((instr_desc
+                   (MAdtOp (MAdtGet 1)
+                    ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+                     (immediate_analyses ((last_usage Last))))))))))))
+            ((instr_desc
+              (MStore
+               (((MLocalBind 4 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MAdtOp MAdtGetTag
+                    ((immediate_desc (MImmBinding (MLocalBind 12 Managed)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MStore
+               (((MLocalBind 5 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MPrim2 Is
+                    ((immediate_desc
+                      (MImmBinding (MLocalBind 4 (Unmanaged WasmI32))))
+                     (immediate_analyses ((last_usage Unknown))))
+                    ((immediate_desc (MImmConst (MConstI32 0)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MCleanup
+               (((instr_desc
+                  (MIf
+                   ((immediate_desc
+                     (MImmBinding (MLocalBind 5 (Unmanaged WasmI32))))
+                    (immediate_analyses ((last_usage Last))))
+                   (((instr_desc
+                      (MStore
+                       (((MLocalBind 13 Managed)
+                         ((instr_desc
+                           (MAdtOp (MAdtGet 0)
+                            ((immediate_desc
+                              (MImmBinding (MLocalBind 12 Managed)))
+                             (immediate_analyses ((last_usage Unknown))))))))))))
+                    ((instr_desc
+                      (MStore
+                       (((MLocalBind 14 Managed)
+                         ((instr_desc
+                           (MAdtOp (MAdtGet 1)
+                            ((immediate_desc
+                              (MImmBinding (MLocalBind 12 Managed)))
+                             (immediate_analyses ((last_usage Last))))))))))))
+                    ((instr_desc
+                      (MStore
+                       (((MLocalBind 7 (Unmanaged WasmI32))
+                         ((instr_desc
+                           (MAdtOp MAdtGetTag
+                            ((immediate_desc
+                              (MImmBinding (MLocalBind 14 Managed)))
+                             (immediate_analyses ((last_usage Unknown))))))))))))
+                    ((instr_desc
+                      (MStore
+                       (((MLocalBind 8 (Unmanaged WasmI32))
+                         ((instr_desc
+                           (MPrim2 Is
+                            ((immediate_desc
+                              (MImmBinding
+                               (MLocalBind 7 (Unmanaged WasmI32))))
+                             (immediate_analyses ((last_usage Unknown))))
+                            ((immediate_desc (MImmConst (MConstI32 0)))
+                             (immediate_analyses ((last_usage Unknown))))))))))))
+                    ((instr_desc
+                      (MCleanup
+                       (((instr_desc
+                          (MIf
+                           ((immediate_desc
+                             (MImmBinding (MLocalBind 8 (Unmanaged WasmI32))))
+                            (immediate_analyses ((last_usage Last))))
+                           (((instr_desc
+                              (MStore
+                               (((MLocalBind 15 Managed)
+                                 ((instr_desc
+                                   (MAdtOp (MAdtGet 0)
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 14 Managed)))
+                                     (immediate_analyses
+                                      ((last_usage Unknown))))))))))))
+                            ((instr_desc
+                              (MStore
+                               (((MLocalBind 16 Managed)
+                                 ((instr_desc
+                                   (MAdtOp (MAdtGet 1)
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 14 Managed)))
+                                     (immediate_analyses ((last_usage Last))))))))))))
+                            ((instr_desc
+                              (MStore
+                               (((MLocalBind 10 (Unmanaged WasmI32))
+                                 ((instr_desc
+                                   (MAdtOp MAdtGetTag
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 16 Managed)))
+                                     (immediate_analyses ((last_usage Last))))))))))))
+                            ((instr_desc
+                              (MCleanup ()
+                               (((immediate_desc
+                                  (MImmBinding (MLocalBind 16 Managed)))
+                                 (immediate_analyses ((last_usage Unknown))))))))
+                            ((instr_desc
+                              (MStore
+                               (((MLocalBind 11 (Unmanaged WasmI32))
+                                 ((instr_desc
+                                   (MPrim2 Is
+                                    ((immediate_desc
+                                      (MImmBinding
+                                       (MLocalBind 10 (Unmanaged WasmI32))))
+                                     (immediate_analyses ((last_usage Last))))
+                                    ((immediate_desc
+                                      (MImmConst (MConstI32 1)))
+                                     (immediate_analyses
+                                      ((last_usage Unknown))))))))))))
+                            ((instr_desc
+                              (MCleanup
+                               (((instr_desc
+                                  (MIf
+                                   ((immediate_desc
+                                     (MImmBinding
+                                      (MLocalBind 11 (Unmanaged WasmI32))))
+                                    (immediate_analyses ((last_usage Last))))
+                                   (((instr_desc
+                                      (MDrop
+                                       ((instr_desc
+                                         (MSet (MLocalBind 8 Managed)
+                                          ((instr_desc
+                                            (MImmediate
+                                             ((immediate_desc
+                                               (MIncRef
+                                                ((immediate_desc
+                                                  (MImmBinding
+                                                   (MLocalBind 11 Managed)))
+                                                 (immediate_analyses
+                                                  ((last_usage Unknown))))))
+                                              (immediate_analyses
+                                               ((last_usage Unknown)))))))))))))
+                                    ((instr_desc
+                                      (MDrop
+                                       ((instr_desc
+                                         (MSet (MLocalBind 9 Managed)
+                                          ((instr_desc
+                                            (MImmediate
+                                             ((immediate_desc
+                                               (MIncRef
+                                                ((immediate_desc
+                                                  (MImmBinding
+                                                   (MLocalBind 13 Managed)))
+                                                 (immediate_analyses
+                                                  ((last_usage Unknown))))))
+                                              (immediate_analyses
+                                               ((last_usage Unknown)))))))))))))
+                                    ((instr_desc
+                                      (MDrop
+                                       ((instr_desc
+                                         (MSet (MLocalBind 10 Managed)
+                                          ((instr_desc
+                                            (MImmediate
+                                             ((immediate_desc
+                                               (MIncRef
+                                                ((immediate_desc
+                                                  (MImmBinding
+                                                   (MLocalBind 15 Managed)))
+                                                 (immediate_analyses
+                                                  ((last_usage Last))))))
+                                              (immediate_analyses
+                                               ((last_usage Unknown)))))))))))))
+                                    ((instr_desc
+                                      (MImmediate
+                                       ((immediate_desc
+                                         (MImmConst (MConstI32 3)))
+                                        (immediate_analyses
+                                         ((last_usage Unknown))))))))
+                                   (((instr_desc
+                                      (MImmediate
+                                       ((immediate_desc
+                                         (MImmConst (MConstI32 4)))
+                                        (immediate_analyses
+                                         ((last_usage Unknown))))))))))))
+                               (((immediate_desc
+                                  (MImmBinding (MLocalBind 15 Managed)))
+                                 (immediate_analyses ((last_usage Unknown)))))))))
+                           (((instr_desc
+                              (MStore
+                               (((MLocalBind 9 (Unmanaged WasmI32))
+                                 ((instr_desc
+                                   (MPrim2 Is
+                                    ((immediate_desc
+                                      (MImmBinding
+                                       (MLocalBind 7 (Unmanaged WasmI32))))
+                                     (immediate_analyses ((last_usage Last))))
+                                    ((immediate_desc
+                                      (MImmConst (MConstI32 1)))
+                                     (immediate_analyses
+                                      ((last_usage Unknown))))))))))))
+                            ((instr_desc
+                              (MIf
+                               ((immediate_desc
+                                 (MImmBinding
+                                  (MLocalBind 9 (Unmanaged WasmI32))))
+                                (immediate_analyses ((last_usage Last))))
+                               (((instr_desc
+                                  (MDrop
+                                   ((instr_desc
+                                     (MSet (MLocalBind 6 Managed)
+                                      ((instr_desc
+                                        (MImmediate
+                                         ((immediate_desc
+                                           (MIncRef
+                                            ((immediate_desc
+                                              (MImmBinding
+                                               (MLocalBind 11 Managed)))
+                                             (immediate_analyses
+                                              ((last_usage Unknown))))))
+                                          (immediate_analyses
+                                           ((last_usage Unknown)))))))))))))
+                                ((instr_desc
+                                  (MDrop
+                                   ((instr_desc
+                                     (MSet (MLocalBind 7 Managed)
+                                      ((instr_desc
+                                        (MImmediate
+                                         ((immediate_desc
+                                           (MIncRef
+                                            ((immediate_desc
+                                              (MImmBinding
+                                               (MLocalBind 13 Managed)))
+                                             (immediate_analyses
+                                              ((last_usage Last))))))
+                                          (immediate_analyses
+                                           ((last_usage Unknown)))))))))))))
+                                ((instr_desc
+                                  (MImmediate
+                                   ((immediate_desc
+                                     (MImmConst (MConstI32 2)))
+                                    (immediate_analyses
+                                     ((last_usage Unknown))))))))
+                               (((instr_desc
+                                  (MImmediate
+                                   ((immediate_desc
+                                     (MImmConst (MConstI32 4)))
+                                    (immediate_analyses
+                                     ((last_usage Unknown))))))))))))))))
+                       (((immediate_desc
+                          (MImmBinding (MLocalBind 14 Managed)))
+                         (immediate_analyses ((last_usage Unknown))))
+                        ((immediate_desc
+                          (MImmBinding (MLocalBind 13 Managed)))
+                         (immediate_analyses ((last_usage Unknown)))))))))
+                   (((instr_desc
+                      (MStore
+                       (((MLocalBind 6 (Unmanaged WasmI32))
+                         ((instr_desc
+                           (MPrim2 Is
+                            ((immediate_desc
+                              (MImmBinding
+                               (MLocalBind 4 (Unmanaged WasmI32))))
+                             (immediate_analyses ((last_usage Last))))
+                            ((immediate_desc (MImmConst (MConstI32 1)))
+                             (immediate_analyses ((last_usage Unknown))))))))))))
+                    ((instr_desc
+                      (MIf
+                       ((immediate_desc
+                         (MImmBinding (MLocalBind 6 (Unmanaged WasmI32))))
+                        (immediate_analyses ((last_usage Last))))
+                       (((instr_desc
+                          (MDrop
+                           ((instr_desc
+                             (MSet (MLocalBind 5 Managed)
+                              ((instr_desc
+                                (MImmediate
+                                 ((immediate_desc
+                                   (MIncRef
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 11 Managed)))
+                                     (immediate_analyses ((last_usage Last))))))
+                                  (immediate_analyses ((last_usage Unknown)))))))))))))
+                        ((instr_desc
+                          (MImmediate
+                           ((immediate_desc (MImmConst (MConstI32 1)))
+                            (immediate_analyses ((last_usage Unknown))))))))
+                       (((instr_desc
+                          (MImmediate
+                           ((immediate_desc (MImmConst (MConstI32 4)))
+                            (immediate_analyses ((last_usage Unknown))))))))))))))))
+               (((immediate_desc (MImmBinding (MLocalBind 12 Managed)))
+                 (immediate_analyses ((last_usage Unknown))))
+                ((immediate_desc (MImmBinding (MLocalBind 11 Managed)))
+                 (immediate_analyses ((last_usage Unknown)))))))))
+           (((instr_desc
+              (MStore
+               (((MLocalBind 3 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MPrim2 Is
+                    ((immediate_desc
+                      (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+                     (immediate_analyses ((last_usage Last))))
+                    ((immediate_desc (MImmConst (MConstI32 1)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MIf
+               ((immediate_desc
+                 (MImmBinding (MLocalBind 3 (Unmanaged WasmI32))))
+                (immediate_analyses ((last_usage Last))))
+               (((instr_desc
+                  (MImmediate
+                   ((immediate_desc (MImmConst (MConstI32 0)))
+                    (immediate_analyses ((last_usage Unknown))))))))
+               (((instr_desc
+                  (MImmediate
+                   ((immediate_desc MImmTrap)
+                    (immediate_analyses ((last_usage Unknown))))))))))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MCleanup
+      (((instr_desc
+         (MSwitch
+          ((immediate_desc (MImmBinding (MLocalBind 2 (Unmanaged WasmI32))))
+           (immediate_analyses ((last_usage Last))))
+          ((0
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc (MImmConst (MConstI32 0)))
+                 (immediate_analyses ((last_usage Unknown)))))))))
+           (1
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc
+                  (MIncRef
+                   ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+                    (immediate_analyses ((last_usage Last))))))
+                 (immediate_analyses ((last_usage Unknown)))))))))
+           (2
+            (((instr_desc
+               (MCleanup ()
+                (((immediate_desc (MImmBinding (MLocalBind 10 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 9 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 8 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))))))
+             ((instr_desc
+               (MReturnCallKnown (func +_1151)
+                (closure
+                 ((immediate_desc
+                   (MIncRef
+                    ((immediate_desc
+                      (MImmBinding (MGlobalBind +_1151 Managed)))
+                     (immediate_analyses ((last_usage TailCallLast))))))
+                  (immediate_analyses ((last_usage Unknown)))))
+                (func_type ((Managed Managed) (Managed)))
+                (args
+                 (((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+                   (immediate_analyses ((last_usage Last))))
+                  ((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+                   (immediate_analyses ((last_usage Last)))))))))))
+           (3
+            (((instr_desc
+               (MStore
+                (((MLocalBind 17 Managed)
+                  ((instr_desc
+                    (MCallKnown (func +_1151)
+                     (closure
+                      ((immediate_desc
+                        (MIncRef
+                         ((immediate_desc
+                           (MImmBinding (MGlobalBind +_1151 Managed)))
+                          (immediate_analyses ((last_usage Unknown))))))
+                       (immediate_analyses ((last_usage Unknown)))))
+                     (func_type ((Managed Managed) (Managed)))
+                     (args
+                      (((immediate_desc
+                         (MIncRef
+                          ((immediate_desc
+                            (MImmBinding (MLocalBind 8 Managed)))
+                           (immediate_analyses ((last_usage Last))))))
+                        (immediate_analyses ((last_usage Unknown))))
+                       ((immediate_desc
+                         (MIncRef
+                          ((immediate_desc
+                            (MImmBinding (MLocalBind 9 Managed)))
+                           (immediate_analyses ((last_usage Last))))))
+                        (immediate_analyses ((last_usage Unknown))))))))))))))
+             ((instr_desc
+               (MCleanup ()
+                (((immediate_desc (MImmBinding (MLocalBind 9 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 8 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))))))
+             ((instr_desc
+               (MReturnCallKnown (func +_1151)
+                (closure
+                 ((immediate_desc
+                   (MIncRef
+                    ((immediate_desc
+                      (MImmBinding (MGlobalBind +_1151 Managed)))
+                     (immediate_analyses ((last_usage Last))))))
+                  (immediate_analyses ((last_usage Unknown)))))
+                (func_type ((Managed Managed) (Managed)))
+                (args
+                 (((immediate_desc (MImmBinding (MLocalBind 17 Managed)))
+                   (immediate_analyses ((last_usage Last))))
+                  ((immediate_desc (MImmBinding (MLocalBind 10 Managed)))
+                   (immediate_analyses ((last_usage Last)))))))))))
+           (4
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc (MImmConst (MConstI32 999)))
+                 (immediate_analyses ((last_usage Unknown))))))))))
+          (((instr_desc
+             (MImmediate
+              ((immediate_desc MImmTrap)
+               (immediate_analyses ((last_usage Unknown))))))))
+          Managed))))
+      (((immediate_desc (MImmBinding (MLocalBind 10 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 9 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 8 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 18) (stack_size_i32 12) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1154) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/pattern_matching.e17bcd61.0.snapshot b/compiler/test/__snapshots__/pattern_matching.e17bcd61.0.snapshot
index 36b12463d..2e078d462 100644
--- a/compiler/test/__snapshots__/pattern_matching.e17bcd61.0.snapshot
+++ b/compiler/test/__snapshots__/pattern_matching.e17bcd61.0.snapshot
@@ -1,127 +1,68 @@
 pattern matching › or_match_4
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (block $compile_block.14 (result i32)
-   (block $compile_store.2
-    (local.set $6
-     (i32.or
-      (i32.shl
-       (i32.eq
-        (i32.const -2)
-        (i32.const 2147483646)
-       )
-       (i32.const 31)
-      )
-      (i32.const 2147483646)
-     )
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (block $compile_store.10
-    (local.set $7
-     (if (result i32)
-      (i32.shr_u
-       (local.get $6)
-       (i32.const 31)
-      )
-      (block $compile_block.3 (result i32)
-       (i32.const 1)
-      )
-      (block $compile_block.8 (result i32)
-       (block $compile_store.5
-        (local.set $8
-         (i32.or
-          (i32.shl
-           (i32.eq
-            (i32.const -2)
-            (i32.const -2)
-           )
-           (i32.const 31)
-          )
-          (i32.const 2147483646)
-         )
-        )
-        (block $do_backpatches.4
-        )
-       )
-       (if (result i32)
-        (i32.shr_u
-         (local.get $8)
-         (i32.const 31)
-        )
-        (block $compile_block.6 (result i32)
-         (i32.const 1)
-        )
-        (block $compile_block.7
-         (unreachable)
-        )
-       )
-      )
-     )
-    )
-    (block $do_backpatches.9
-    )
-   )
-   (block $switch.11_outer (result i32)
-    (block $switch.11_branch_0 (result i32)
-     (drop
-      (block $switch.11_branch_1 (result i32)
-       (drop
-        (block $switch.11_default (result i32)
-         (br_table $switch.11_branch_1 $switch.11_default $switch.11_default
-          (i32.const 0)
-          (i32.shr_s
-           (local.get $7)
-           (i32.const 1)
-          )
-         )
-        )
-       )
-       (br $switch.11_outer
-        (block $compile_block.13 (result i32)
-         (unreachable)
-        )
-       )
-      )
-     )
-     (br $switch.11_outer
-      (block $compile_block.12 (result i32)
-       (i32.const 7)
-      )
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MPrim2 Is
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+            (immediate_analyses ((last_usage Unknown))))
+           ((immediate_desc
+             (MImmConst (MConstLiteral (MConstI32 2147483646))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 (Unmanaged WasmI32))
+        ((instr_desc
+          (MIf
+           ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Last))))
+           (((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmConst (MConstI32 0)))
+                (immediate_analyses ((last_usage Unknown))))))))
+           (((instr_desc
+              (MStore
+               (((MLocalBind 2 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MPrim2 Is
+                    ((immediate_desc
+                      (MImmConst (MConstLiteral (MConstI32 -2))))
+                     (immediate_analyses ((last_usage Unknown))))
+                    ((immediate_desc
+                      (MImmConst (MConstLiteral (MConstI32 -2))))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MIf
+               ((immediate_desc
+                 (MImmBinding (MLocalBind 2 (Unmanaged WasmI32))))
+                (immediate_analyses ((last_usage Last))))
+               (((instr_desc
+                  (MImmediate
+                   ((immediate_desc (MImmConst (MConstI32 0)))
+                    (immediate_analyses ((last_usage Unknown))))))))
+               (((instr_desc
+                  (MImmediate
+                   ((immediate_desc MImmTrap)
+                    (immediate_analyses ((last_usage Unknown))))))))))))))))))))
+   ((instr_desc
+     (MSwitch
+      ((immediate_desc (MImmBinding (MLocalBind 1 (Unmanaged WasmI32))))
+       (immediate_analyses ((last_usage Last))))
+      ((0
+        (((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmConst (MConstI32 3)))
+             (immediate_analyses ((last_usage Unknown))))))))))
+      (((instr_desc
+         (MImmediate
+          ((immediate_desc MImmTrap)
+           (immediate_analyses ((last_usage Unknown))))))))
+      Managed)))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 3) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1118) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/pattern_matching.e41ad64e.0.snapshot b/compiler/test/__snapshots__/pattern_matching.e41ad64e.0.snapshot
index 8d2cd1933..6bffceb37 100644
--- a/compiler/test/__snapshots__/pattern_matching.e41ad64e.0.snapshot
+++ b/compiler/test/__snapshots__/pattern_matching.e41ad64e.0.snapshot
@@ -1,1303 +1,792 @@
 pattern matching › tuple_match_deep5
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1155 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1155 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (local $13 i32)
-  (local $14 i32)
-  (local $15 i32)
-  (local $16 i32)
-  (local $17 i32)
-  (local $18 i32)
-  (local $19 i32)
-  (local $20 i32)
-  (local $21 i32)
-  (local $22 i32)
-  (local $23 i32)
-  (local $24 i32)
-  (local $25 i32)
-  (local $26 i32)
-  (local $27 i32)
-  (local $28 i32)
-  (local $29 i32)
-  (local $30 i32)
-  (local $31 i32)
-  (local $32 i32)
-  (local $33 i32)
-  (local $34 i32)
-  (local $35 i32)
-  (local $36 i32)
-  (local $37 i32)
-  (local $38 i32)
-  (local $39 i32)
-  (local $40 i32)
-  (local $41 i32)
-  (local $42 i32)
-  (block $compile_block.120 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_adt.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_adt.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $6)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.9
-    (local.set $8
-     (block $allocate_adt.7 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 9)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $7)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $compile_store.12
-    (local.set $9
-     (block $allocate_tuple.10 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (local.get $8)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.11
-    )
-   )
-   (block $compile_store.14
-    (local.set $10
-     (i32.const 0)
-    )
-    (block $do_backpatches.13
-    )
-   )
-   (block $compile_store.16
-    (local.set $11
-     (i32.const 0)
-    )
-    (block $do_backpatches.15
-    )
-   )
-   (block $compile_store.18
-    (local.set $12
-     (i32.const 0)
-    )
-    (block $do_backpatches.17
-    )
-   )
-   (block $compile_store.20
-    (local.set $13
-     (i32.const 0)
-    )
-    (block $do_backpatches.19
-    )
-   )
-   (block $compile_store.22
-    (local.set $14
-     (i32.const 0)
-    )
-    (block $do_backpatches.21
-    )
-   )
-   (block $compile_store.24
-    (local.set $15
-     (i32.const 0)
-    )
-    (block $do_backpatches.23
-    )
-   )
-   (block $compile_store.26
-    (local.set $16
-     (i32.const 0)
-    )
-    (block $do_backpatches.25
-    )
-   )
-   (block $compile_store.28
-    (local.set $17
-     (i32.const 0)
-    )
-    (block $do_backpatches.27
-    )
-   )
-   (block $compile_store.30
-    (local.set $18
-     (i32.const 0)
-    )
-    (block $do_backpatches.29
-    )
-   )
-   (block $compile_store.32
-    (local.set $19
-     (i32.const 0)
-    )
-    (block $do_backpatches.31
-    )
-   )
-   (block $compile_store.34
-    (local.set $20
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (local.get $9)
-      )
-     )
-    )
-    (block $do_backpatches.33
-    )
-   )
-   (block $compile_store.36
-    (local.set $21
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=12
-       (local.get $9)
-      )
-     )
-    )
-    (block $do_backpatches.35
-    )
-   )
-   (block $cleanup.37
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $9)
-     )
-    )
-   )
-   (block $compile_store.39
-    (local.set $31
-     (i32.load offset=12
-      (local.get $21)
-     )
-    )
-    (block $do_backpatches.38
-    )
-   )
-   (block $compile_store.41
-    (local.set $32
-     (i32.or
-      (i32.shl
-       (i32.eq
-        (local.get $31)
-        (i32.const 1)
-       )
-       (i32.const 31)
-      )
-      (i32.const 2147483646)
-     )
-    )
-    (block $do_backpatches.40
-    )
-   )
-   (block $compile_store.101
-    (local.set $33
-     (if (result i32)
-      (i32.shr_u
-       (local.get $32)
-       (i32.const 31)
-      )
-      (block $compile_block.93 (result i32)
-       (block $compile_store.43
-        (local.set $22
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (i32.load offset=20
-           (local.get $21)
-          )
-         )
-        )
-        (block $do_backpatches.42
-        )
-       )
-       (block $compile_store.45
-        (local.set $23
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (i32.load offset=24
-           (local.get $21)
-          )
-         )
-        )
-        (block $do_backpatches.44
-        )
-       )
-       (block $compile_store.47
-        (local.set $35
-         (i32.load offset=12
-          (local.get $23)
-         )
-        )
-        (block $do_backpatches.46
-        )
-       )
-       (block $compile_store.49
-        (local.set $36
-         (i32.or
-          (i32.shl
-           (i32.eq
-            (local.get $35)
-            (i32.const 1)
-           )
-           (i32.const 31)
-          )
-          (i32.const 2147483646)
-         )
-        )
-        (block $do_backpatches.48
-        )
-       )
-       (tuple.extract 0
-        (tuple.make
-         (if (result i32)
-          (i32.shr_u
-           (local.get $36)
-           (i32.const 31)
-          )
-          (block $compile_block.85 (result i32)
-           (block $compile_store.52
-            (local.set $24
-             (call $incRef_0
-              (global.get $GRAIN$EXPORT$incRef_0)
-              (i32.load offset=20
-               (local.get $23)
-              )
-             )
-            )
-            (block $do_backpatches.51
-            )
-           )
-           (block $compile_store.54
-            (local.set $25
-             (call $incRef_0
-              (global.get $GRAIN$EXPORT$incRef_0)
-              (i32.load offset=24
-               (local.get $23)
-              )
-             )
-            )
-            (block $do_backpatches.53
-            )
-           )
-           (block $compile_store.56
-            (local.set $38
-             (i32.load offset=12
-              (local.get $25)
-             )
-            )
-            (block $do_backpatches.55
-            )
-           )
-           (block $compile_store.58
-            (local.set $39
-             (i32.or
-              (i32.shl
-               (i32.eq
-                (local.get $38)
-                (i32.const 1)
-               )
-               (i32.const 31)
-              )
-              (i32.const 2147483646)
-             )
-            )
-            (block $do_backpatches.57
-            )
-           )
-           (tuple.extract 0
-            (tuple.make
-             (if (result i32)
-              (i32.shr_u
-               (local.get $39)
-               (i32.const 31)
-              )
-              (block $compile_block.76 (result i32)
-               (block $compile_store.61
-                (local.set $26
-                 (call $incRef_0
-                  (global.get $GRAIN$EXPORT$incRef_0)
-                  (i32.load offset=20
-                   (local.get $25)
-                  )
-                 )
-                )
-                (block $do_backpatches.60
-                )
-               )
-               (block $compile_store.63
-                (local.set $27
-                 (call $incRef_0
-                  (global.get $GRAIN$EXPORT$incRef_0)
-                  (i32.load offset=24
-                   (local.get $25)
-                  )
-                 )
-                )
-                (block $do_backpatches.62
-                )
-               )
-               (block $compile_store.65
-                (local.set $41
-                 (i32.load offset=12
-                  (local.get $27)
-                 )
-                )
-                (block $do_backpatches.64
-                )
-               )
-               (block $cleanup.66
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $27)
-                 )
-                )
-               )
-               (block $compile_store.68
-                (local.set $42
-                 (i32.or
-                  (i32.shl
-                   (i32.eq
-                    (local.get $41)
-                    (i32.const 3)
-                   )
-                   (i32.const 31)
-                  )
-                  (i32.const 2147483646)
-                 )
-                )
-                (block $do_backpatches.67
-                )
-               )
-               (tuple.extract 0
-                (tuple.make
-                 (if (result i32)
-                  (i32.shr_u
-                   (local.get $42)
-                   (i32.const 31)
-                  )
-                  (block $compile_block.74 (result i32)
-                   (drop
-                    (block $compile_set.70 (result i32)
-                     (local.set $16
-                      (tuple.extract 0
-                       (tuple.make
-                        (call $incRef_0
-                         (global.get $GRAIN$EXPORT$incRef_0)
-                         (call $incRef_0
-                          (global.get $GRAIN$EXPORT$incRef_0)
-                          (local.get $20)
-                         )
-                        )
-                        (call $decRef_0
-                         (global.get $GRAIN$EXPORT$decRef_0)
-                         (local.get $16)
-                        )
-                       )
-                      )
-                     )
-                     (i32.const 1879048190)
-                    )
-                   )
-                   (drop
-                    (block $compile_set.71 (result i32)
-                     (local.set $17
-                      (tuple.extract 0
-                       (tuple.make
-                        (call $incRef_0
-                         (global.get $GRAIN$EXPORT$incRef_0)
-                         (call $incRef_0
-                          (global.get $GRAIN$EXPORT$incRef_0)
-                          (local.get $22)
-                         )
-                        )
-                        (call $decRef_0
-                         (global.get $GRAIN$EXPORT$decRef_0)
-                         (local.get $17)
-                        )
-                       )
-                      )
-                     )
-                     (i32.const 1879048190)
-                    )
-                   )
-                   (drop
-                    (block $compile_set.72 (result i32)
-                     (local.set $18
-                      (tuple.extract 0
-                       (tuple.make
-                        (call $incRef_0
-                         (global.get $GRAIN$EXPORT$incRef_0)
-                         (call $incRef_0
-                          (global.get $GRAIN$EXPORT$incRef_0)
-                          (local.get $24)
-                         )
-                        )
-                        (call $decRef_0
-                         (global.get $GRAIN$EXPORT$decRef_0)
-                         (local.get $18)
-                        )
-                       )
-                      )
-                     )
-                     (i32.const 1879048190)
-                    )
-                   )
-                   (drop
-                    (block $compile_set.73 (result i32)
-                     (local.set $19
-                      (tuple.extract 0
-                       (tuple.make
-                        (call $incRef_0
-                         (global.get $GRAIN$EXPORT$incRef_0)
-                         (call $incRef_0
-                          (global.get $GRAIN$EXPORT$incRef_0)
-                          (local.get $26)
-                         )
-                        )
-                        (call $decRef_0
-                         (global.get $GRAIN$EXPORT$decRef_0)
-                         (local.get $19)
-                        )
-                       )
-                      )
-                     )
-                     (i32.const 1879048190)
-                    )
-                   )
-                   (i32.const 7)
-                  )
-                  (block $compile_block.75 (result i32)
-                   (i32.const 9)
-                  )
-                 )
-                 (block $cleanup.69 (result i32)
-                  (drop
-                   (call $decRef_0
-                    (global.get $GRAIN$EXPORT$decRef_0)
-                    (local.get $26)
-                   )
-                  )
-                  (i32.const 1879048190)
-                 )
-                )
-               )
-              )
-              (block $compile_block.84 (result i32)
-               (block $compile_store.78
-                (local.set $40
-                 (i32.or
-                  (i32.shl
-                   (i32.eq
-                    (local.get $38)
-                    (i32.const 3)
-                   )
-                   (i32.const 31)
-                  )
-                  (i32.const 2147483646)
-                 )
-                )
-                (block $do_backpatches.77
-                )
-               )
-               (if (result i32)
-                (i32.shr_u
-                 (local.get $40)
-                 (i32.const 31)
-                )
-                (block $compile_block.82 (result i32)
-                 (drop
-                  (block $compile_set.79 (result i32)
-                   (local.set $13
-                    (tuple.extract 0
-                     (tuple.make
-                      (call $incRef_0
-                       (global.get $GRAIN$EXPORT$incRef_0)
-                       (call $incRef_0
-                        (global.get $GRAIN$EXPORT$incRef_0)
-                        (local.get $20)
-                       )
-                      )
-                      (call $decRef_0
-                       (global.get $GRAIN$EXPORT$decRef_0)
-                       (local.get $13)
-                      )
-                     )
-                    )
-                   )
-                   (i32.const 1879048190)
-                  )
-                 )
-                 (drop
-                  (block $compile_set.80 (result i32)
-                   (local.set $14
-                    (tuple.extract 0
-                     (tuple.make
-                      (call $incRef_0
-                       (global.get $GRAIN$EXPORT$incRef_0)
-                       (call $incRef_0
-                        (global.get $GRAIN$EXPORT$incRef_0)
-                        (local.get $22)
-                       )
-                      )
-                      (call $decRef_0
-                       (global.get $GRAIN$EXPORT$decRef_0)
-                       (local.get $14)
-                      )
-                     )
-                    )
-                   )
-                   (i32.const 1879048190)
-                  )
-                 )
-                 (drop
-                  (block $compile_set.81 (result i32)
-                   (local.set $15
-                    (tuple.extract 0
-                     (tuple.make
-                      (call $incRef_0
-                       (global.get $GRAIN$EXPORT$incRef_0)
-                       (call $incRef_0
-                        (global.get $GRAIN$EXPORT$incRef_0)
-                        (local.get $24)
-                       )
-                      )
-                      (call $decRef_0
-                       (global.get $GRAIN$EXPORT$decRef_0)
-                       (local.get $15)
-                      )
-                     )
-                    )
-                   )
-                   (i32.const 1879048190)
-                  )
-                 )
-                 (i32.const 5)
-                )
-                (block $compile_block.83 (result i32)
-                 (i32.const 9)
-                )
-               )
-              )
-             )
-             (block $cleanup.59 (result i32)
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $24)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $25)
-               )
-              )
-              (i32.const 1879048190)
-             )
-            )
-           )
-          )
-          (block $compile_block.92 (result i32)
-           (block $compile_store.87
-            (local.set $37
-             (i32.or
-              (i32.shl
-               (i32.eq
-                (local.get $35)
-                (i32.const 3)
-               )
-               (i32.const 31)
-              )
-              (i32.const 2147483646)
-             )
-            )
-            (block $do_backpatches.86
-            )
-           )
-           (if (result i32)
-            (i32.shr_u
-             (local.get $37)
-             (i32.const 31)
-            )
-            (block $compile_block.90 (result i32)
-             (drop
-              (block $compile_set.88 (result i32)
-               (local.set $11
-                (tuple.extract 0
-                 (tuple.make
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (call $incRef_0
-                    (global.get $GRAIN$EXPORT$incRef_0)
-                    (local.get $20)
-                   )
-                  )
-                  (call $decRef_0
-                   (global.get $GRAIN$EXPORT$decRef_0)
-                   (local.get $11)
-                  )
-                 )
-                )
-               )
-               (i32.const 1879048190)
-              )
-             )
-             (drop
-              (block $compile_set.89 (result i32)
-               (local.set $12
-                (tuple.extract 0
-                 (tuple.make
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (call $incRef_0
-                    (global.get $GRAIN$EXPORT$incRef_0)
-                    (local.get $22)
-                   )
-                  )
-                  (call $decRef_0
-                   (global.get $GRAIN$EXPORT$decRef_0)
-                   (local.get $12)
-                  )
-                 )
-                )
-               )
-               (i32.const 1879048190)
-              )
-             )
-             (i32.const 3)
-            )
-            (block $compile_block.91 (result i32)
-             (i32.const 9)
-            )
-           )
-          )
-         )
-         (block $cleanup.50 (result i32)
-          (drop
-           (call $decRef_0
-            (global.get $GRAIN$EXPORT$decRef_0)
-            (local.get $22)
-           )
-          )
-          (drop
-           (call $decRef_0
-            (global.get $GRAIN$EXPORT$decRef_0)
-            (local.get $23)
-           )
-          )
-          (i32.const 1879048190)
-         )
-        )
-       )
-      )
-      (block $compile_block.99 (result i32)
-       (block $compile_store.95
-        (local.set $34
-         (i32.or
-          (i32.shl
-           (i32.eq
-            (local.get $31)
-            (i32.const 3)
-           )
-           (i32.const 31)
-          )
-          (i32.const 2147483646)
-         )
-        )
-        (block $do_backpatches.94
-        )
-       )
-       (if (result i32)
-        (i32.shr_u
-         (local.get $34)
-         (i32.const 31)
-        )
-        (block $compile_block.97 (result i32)
-         (drop
-          (block $compile_set.96 (result i32)
-           (local.set $10
-            (tuple.extract 0
-             (tuple.make
-              (call $incRef_0
-               (global.get $GRAIN$EXPORT$incRef_0)
-               (call $incRef_0
-                (global.get $GRAIN$EXPORT$incRef_0)
-                (local.get $20)
-               )
-              )
-              (call $decRef_0
-               (global.get $GRAIN$EXPORT$decRef_0)
-               (local.get $10)
-              )
-             )
-            )
-           )
-           (i32.const 1879048190)
-          )
-         )
-         (i32.const 1)
-        )
-        (block $compile_block.98
-         (unreachable)
-        )
-       )
-      )
-     )
-    )
-    (block $do_backpatches.100
-    )
-   )
-   (block $cleanup.102
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $20)
-     )
-    )
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $21)
-     )
-    )
-   )
-   (tuple.extract 0
-    (tuple.make
-     (block $switch.104_outer (result i32)
-      (block $switch.104_branch_0 (result i32)
-       (drop
-        (block $switch.104_branch_1 (result i32)
-         (drop
-          (block $switch.104_branch_2 (result i32)
-           (drop
-            (block $switch.104_branch_3 (result i32)
-             (drop
-              (block $switch.104_branch_4 (result i32)
-               (drop
-                (block $switch.104_branch_5 (result i32)
-                 (drop
-                  (block $switch.104_default (result i32)
-                   (br_table $switch.104_branch_1 $switch.104_branch_2 $switch.104_branch_3 $switch.104_branch_4 $switch.104_branch_5 $switch.104_default $switch.104_default
-                    (i32.const 0)
-                    (i32.shr_s
-                     (local.get $33)
-                     (i32.const 1)
-                    )
-                   )
-                  )
-                 )
-                 (br $switch.104_outer
-                  (block $compile_block.119 (result i32)
-                   (unreachable)
-                  )
-                 )
-                )
-               )
-               (br $switch.104_outer
-                (block $compile_block.118 (result i32)
-                 (i32.const 1999)
-                )
-               )
-              )
-             )
-             (br $switch.104_outer
-              (block $compile_block.117
-               (block $compile_store.113
-                (local.set $29
-                 (call $+_1155
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (global.get $+_1155)
-                  )
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (local.get $16)
-                  )
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (local.get $17)
-                  )
-                 )
-                )
-                (block $do_backpatches.112
-                )
-               )
-               (block $compile_store.115
-                (local.set $30
-                 (call $+_1155
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (global.get $+_1155)
-                  )
-                  (local.get $29)
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (local.get $18)
-                  )
-                 )
-                )
-                (block $do_backpatches.114
-                )
-               )
-               (block $cleanup.116
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $10)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $11)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $12)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $13)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $14)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $15)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $16)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $17)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $18)
-                 )
-                )
-               )
-               (return_call $+_1155
-                (call $incRef_0
-                 (global.get $GRAIN$EXPORT$incRef_0)
-                 (global.get $+_1155)
-                )
-                (local.get $30)
-                (local.get $19)
-               )
-              )
-             )
-            )
-           )
-           (br $switch.104_outer
-            (block $compile_block.111
-             (block $compile_store.109
-              (local.set $28
-               (call $+_1155
-                (call $incRef_0
-                 (global.get $GRAIN$EXPORT$incRef_0)
-                 (global.get $+_1155)
-                )
-                (call $incRef_0
-                 (global.get $GRAIN$EXPORT$incRef_0)
-                 (local.get $13)
-                )
-                (call $incRef_0
-                 (global.get $GRAIN$EXPORT$incRef_0)
-                 (local.get $14)
-                )
-               )
-              )
-              (block $do_backpatches.108
-              )
-             )
-             (block $cleanup.110
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $10)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $11)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $12)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $13)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $14)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $16)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $17)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $18)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $19)
-               )
-              )
-             )
-             (return_call $+_1155
-              (call $incRef_0
-               (global.get $GRAIN$EXPORT$incRef_0)
-               (global.get $+_1155)
-              )
-              (local.get $28)
-              (local.get $15)
-             )
-            )
-           )
-          )
-         )
-         (br $switch.104_outer
-          (block $compile_block.107
-           (block $cleanup.106
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $10)
-             )
-            )
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $13)
-             )
-            )
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $14)
-             )
-            )
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $15)
-             )
-            )
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $16)
-             )
-            )
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $17)
-             )
-            )
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $18)
-             )
-            )
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $19)
-             )
-            )
-           )
-           (return_call $+_1155
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (global.get $+_1155)
-            )
-            (local.get $11)
-            (local.get $12)
-           )
-          )
-         )
-        )
-       )
-       (br $switch.104_outer
-        (block $compile_block.105 (result i32)
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (local.get $10)
-         )
-        )
-       )
-      )
-     )
-     (block $cleanup.103 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $10)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $11)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $12)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $13)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $14)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $15)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $16)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $17)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $18)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $19)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1155) (name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1155) (name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 5)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 4)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 5 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 6 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 7 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 8 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 9 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 10 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 11 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 12 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 13 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 14 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 15 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 1)
+           ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MAdtOp MAdtGetTag
+           ((immediate_desc (MImmBinding (MLocalBind 15 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 (Unmanaged WasmI32))
+        ((instr_desc
+          (MPrim2 Is
+           ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Unknown))))
+           ((immediate_desc (MImmConst (MConstI32 0)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 (Unmanaged WasmI32))
+        ((instr_desc
+          (MIf
+           ((immediate_desc (MImmBinding (MLocalBind 1 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Last))))
+           (((instr_desc
+              (MStore
+               (((MLocalBind 16 Managed)
+                 ((instr_desc
+                   (MAdtOp (MAdtGet 0)
+                    ((immediate_desc (MImmBinding (MLocalBind 15 Managed)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MStore
+               (((MLocalBind 17 Managed)
+                 ((instr_desc
+                   (MAdtOp (MAdtGet 1)
+                    ((immediate_desc (MImmBinding (MLocalBind 15 Managed)))
+                     (immediate_analyses ((last_usage Last))))))))))))
+            ((instr_desc
+              (MStore
+               (((MLocalBind 4 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MAdtOp MAdtGetTag
+                    ((immediate_desc (MImmBinding (MLocalBind 17 Managed)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MStore
+               (((MLocalBind 5 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MPrim2 Is
+                    ((immediate_desc
+                      (MImmBinding (MLocalBind 4 (Unmanaged WasmI32))))
+                     (immediate_analyses ((last_usage Unknown))))
+                    ((immediate_desc (MImmConst (MConstI32 0)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MCleanup
+               (((instr_desc
+                  (MIf
+                   ((immediate_desc
+                     (MImmBinding (MLocalBind 5 (Unmanaged WasmI32))))
+                    (immediate_analyses ((last_usage Last))))
+                   (((instr_desc
+                      (MStore
+                       (((MLocalBind 18 Managed)
+                         ((instr_desc
+                           (MAdtOp (MAdtGet 0)
+                            ((immediate_desc
+                              (MImmBinding (MLocalBind 17 Managed)))
+                             (immediate_analyses ((last_usage Unknown))))))))))))
+                    ((instr_desc
+                      (MStore
+                       (((MLocalBind 19 Managed)
+                         ((instr_desc
+                           (MAdtOp (MAdtGet 1)
+                            ((immediate_desc
+                              (MImmBinding (MLocalBind 17 Managed)))
+                             (immediate_analyses ((last_usage Last))))))))))))
+                    ((instr_desc
+                      (MStore
+                       (((MLocalBind 7 (Unmanaged WasmI32))
+                         ((instr_desc
+                           (MAdtOp MAdtGetTag
+                            ((immediate_desc
+                              (MImmBinding (MLocalBind 19 Managed)))
+                             (immediate_analyses ((last_usage Unknown))))))))))))
+                    ((instr_desc
+                      (MStore
+                       (((MLocalBind 8 (Unmanaged WasmI32))
+                         ((instr_desc
+                           (MPrim2 Is
+                            ((immediate_desc
+                              (MImmBinding
+                               (MLocalBind 7 (Unmanaged WasmI32))))
+                             (immediate_analyses ((last_usage Unknown))))
+                            ((immediate_desc (MImmConst (MConstI32 0)))
+                             (immediate_analyses ((last_usage Unknown))))))))))))
+                    ((instr_desc
+                      (MCleanup
+                       (((instr_desc
+                          (MIf
+                           ((immediate_desc
+                             (MImmBinding (MLocalBind 8 (Unmanaged WasmI32))))
+                            (immediate_analyses ((last_usage Last))))
+                           (((instr_desc
+                              (MStore
+                               (((MLocalBind 20 Managed)
+                                 ((instr_desc
+                                   (MAdtOp (MAdtGet 0)
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 19 Managed)))
+                                     (immediate_analyses
+                                      ((last_usage Unknown))))))))))))
+                            ((instr_desc
+                              (MStore
+                               (((MLocalBind 21 Managed)
+                                 ((instr_desc
+                                   (MAdtOp (MAdtGet 1)
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 19 Managed)))
+                                     (immediate_analyses ((last_usage Last))))))))))))
+                            ((instr_desc
+                              (MStore
+                               (((MLocalBind 10 (Unmanaged WasmI32))
+                                 ((instr_desc
+                                   (MAdtOp MAdtGetTag
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 21 Managed)))
+                                     (immediate_analyses ((last_usage Last))))))))))))
+                            ((instr_desc
+                              (MCleanup ()
+                               (((immediate_desc
+                                  (MImmBinding (MLocalBind 21 Managed)))
+                                 (immediate_analyses ((last_usage Unknown))))))))
+                            ((instr_desc
+                              (MStore
+                               (((MLocalBind 11 (Unmanaged WasmI32))
+                                 ((instr_desc
+                                   (MPrim2 Is
+                                    ((immediate_desc
+                                      (MImmBinding
+                                       (MLocalBind 10 (Unmanaged WasmI32))))
+                                     (immediate_analyses ((last_usage Last))))
+                                    ((immediate_desc
+                                      (MImmConst (MConstI32 1)))
+                                     (immediate_analyses
+                                      ((last_usage Unknown))))))))))))
+                            ((instr_desc
+                              (MCleanup
+                               (((instr_desc
+                                  (MIf
+                                   ((immediate_desc
+                                     (MImmBinding
+                                      (MLocalBind 11 (Unmanaged WasmI32))))
+                                    (immediate_analyses ((last_usage Last))))
+                                   (((instr_desc
+                                      (MDrop
+                                       ((instr_desc
+                                         (MSet (MLocalBind 10 Managed)
+                                          ((instr_desc
+                                            (MImmediate
+                                             ((immediate_desc
+                                               (MIncRef
+                                                ((immediate_desc
+                                                  (MImmBinding
+                                                   (MLocalBind 14 Managed)))
+                                                 (immediate_analyses
+                                                  ((last_usage Unknown))))))
+                                              (immediate_analyses
+                                               ((last_usage Unknown)))))))))))))
+                                    ((instr_desc
+                                      (MDrop
+                                       ((instr_desc
+                                         (MSet (MLocalBind 11 Managed)
+                                          ((instr_desc
+                                            (MImmediate
+                                             ((immediate_desc
+                                               (MIncRef
+                                                ((immediate_desc
+                                                  (MImmBinding
+                                                   (MLocalBind 16 Managed)))
+                                                 (immediate_analyses
+                                                  ((last_usage Unknown))))))
+                                              (immediate_analyses
+                                               ((last_usage Unknown)))))))))))))
+                                    ((instr_desc
+                                      (MDrop
+                                       ((instr_desc
+                                         (MSet (MLocalBind 12 Managed)
+                                          ((instr_desc
+                                            (MImmediate
+                                             ((immediate_desc
+                                               (MIncRef
+                                                ((immediate_desc
+                                                  (MImmBinding
+                                                   (MLocalBind 18 Managed)))
+                                                 (immediate_analyses
+                                                  ((last_usage Unknown))))))
+                                              (immediate_analyses
+                                               ((last_usage Unknown)))))))))))))
+                                    ((instr_desc
+                                      (MDrop
+                                       ((instr_desc
+                                         (MSet (MLocalBind 13 Managed)
+                                          ((instr_desc
+                                            (MImmediate
+                                             ((immediate_desc
+                                               (MIncRef
+                                                ((immediate_desc
+                                                  (MImmBinding
+                                                   (MLocalBind 20 Managed)))
+                                                 (immediate_analyses
+                                                  ((last_usage Last))))))
+                                              (immediate_analyses
+                                               ((last_usage Unknown)))))))))))))
+                                    ((instr_desc
+                                      (MImmediate
+                                       ((immediate_desc
+                                         (MImmConst (MConstI32 3)))
+                                        (immediate_analyses
+                                         ((last_usage Unknown))))))))
+                                   (((instr_desc
+                                      (MImmediate
+                                       ((immediate_desc
+                                         (MImmConst (MConstI32 4)))
+                                        (immediate_analyses
+                                         ((last_usage Unknown))))))))))))
+                               (((immediate_desc
+                                  (MImmBinding (MLocalBind 20 Managed)))
+                                 (immediate_analyses ((last_usage Unknown)))))))))
+                           (((instr_desc
+                              (MStore
+                               (((MLocalBind 9 (Unmanaged WasmI32))
+                                 ((instr_desc
+                                   (MPrim2 Is
+                                    ((immediate_desc
+                                      (MImmBinding
+                                       (MLocalBind 7 (Unmanaged WasmI32))))
+                                     (immediate_analyses ((last_usage Last))))
+                                    ((immediate_desc
+                                      (MImmConst (MConstI32 1)))
+                                     (immediate_analyses
+                                      ((last_usage Unknown))))))))))))
+                            ((instr_desc
+                              (MIf
+                               ((immediate_desc
+                                 (MImmBinding
+                                  (MLocalBind 9 (Unmanaged WasmI32))))
+                                (immediate_analyses ((last_usage Last))))
+                               (((instr_desc
+                                  (MDrop
+                                   ((instr_desc
+                                     (MSet (MLocalBind 7 Managed)
+                                      ((instr_desc
+                                        (MImmediate
+                                         ((immediate_desc
+                                           (MIncRef
+                                            ((immediate_desc
+                                              (MImmBinding
+                                               (MLocalBind 14 Managed)))
+                                             (immediate_analyses
+                                              ((last_usage Unknown))))))
+                                          (immediate_analyses
+                                           ((last_usage Unknown)))))))))))))
+                                ((instr_desc
+                                  (MDrop
+                                   ((instr_desc
+                                     (MSet (MLocalBind 8 Managed)
+                                      ((instr_desc
+                                        (MImmediate
+                                         ((immediate_desc
+                                           (MIncRef
+                                            ((immediate_desc
+                                              (MImmBinding
+                                               (MLocalBind 16 Managed)))
+                                             (immediate_analyses
+                                              ((last_usage Unknown))))))
+                                          (immediate_analyses
+                                           ((last_usage Unknown)))))))))))))
+                                ((instr_desc
+                                  (MDrop
+                                   ((instr_desc
+                                     (MSet (MLocalBind 9 Managed)
+                                      ((instr_desc
+                                        (MImmediate
+                                         ((immediate_desc
+                                           (MIncRef
+                                            ((immediate_desc
+                                              (MImmBinding
+                                               (MLocalBind 18 Managed)))
+                                             (immediate_analyses
+                                              ((last_usage Last))))))
+                                          (immediate_analyses
+                                           ((last_usage Unknown)))))))))))))
+                                ((instr_desc
+                                  (MImmediate
+                                   ((immediate_desc
+                                     (MImmConst (MConstI32 2)))
+                                    (immediate_analyses
+                                     ((last_usage Unknown))))))))
+                               (((instr_desc
+                                  (MImmediate
+                                   ((immediate_desc
+                                     (MImmConst (MConstI32 4)))
+                                    (immediate_analyses
+                                     ((last_usage Unknown))))))))))))))))
+                       (((immediate_desc
+                          (MImmBinding (MLocalBind 19 Managed)))
+                         (immediate_analyses ((last_usage Unknown))))
+                        ((immediate_desc
+                          (MImmBinding (MLocalBind 18 Managed)))
+                         (immediate_analyses ((last_usage Unknown)))))))))
+                   (((instr_desc
+                      (MStore
+                       (((MLocalBind 6 (Unmanaged WasmI32))
+                         ((instr_desc
+                           (MPrim2 Is
+                            ((immediate_desc
+                              (MImmBinding
+                               (MLocalBind 4 (Unmanaged WasmI32))))
+                             (immediate_analyses ((last_usage Last))))
+                            ((immediate_desc (MImmConst (MConstI32 1)))
+                             (immediate_analyses ((last_usage Unknown))))))))))))
+                    ((instr_desc
+                      (MIf
+                       ((immediate_desc
+                         (MImmBinding (MLocalBind 6 (Unmanaged WasmI32))))
+                        (immediate_analyses ((last_usage Last))))
+                       (((instr_desc
+                          (MDrop
+                           ((instr_desc
+                             (MSet (MLocalBind 5 Managed)
+                              ((instr_desc
+                                (MImmediate
+                                 ((immediate_desc
+                                   (MIncRef
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 14 Managed)))
+                                     (immediate_analyses
+                                      ((last_usage Unknown))))))
+                                  (immediate_analyses ((last_usage Unknown)))))))))))))
+                        ((instr_desc
+                          (MDrop
+                           ((instr_desc
+                             (MSet (MLocalBind 6 Managed)
+                              ((instr_desc
+                                (MImmediate
+                                 ((immediate_desc
+                                   (MIncRef
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 16 Managed)))
+                                     (immediate_analyses ((last_usage Last))))))
+                                  (immediate_analyses ((last_usage Unknown)))))))))))))
+                        ((instr_desc
+                          (MImmediate
+                           ((immediate_desc (MImmConst (MConstI32 1)))
+                            (immediate_analyses ((last_usage Unknown))))))))
+                       (((instr_desc
+                          (MImmediate
+                           ((immediate_desc (MImmConst (MConstI32 4)))
+                            (immediate_analyses ((last_usage Unknown))))))))))))))))
+               (((immediate_desc (MImmBinding (MLocalBind 17 Managed)))
+                 (immediate_analyses ((last_usage Unknown))))
+                ((immediate_desc (MImmBinding (MLocalBind 16 Managed)))
+                 (immediate_analyses ((last_usage Unknown)))))))))
+           (((instr_desc
+              (MStore
+               (((MLocalBind 3 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MPrim2 Is
+                    ((immediate_desc
+                      (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+                     (immediate_analyses ((last_usage Last))))
+                    ((immediate_desc (MImmConst (MConstI32 1)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MIf
+               ((immediate_desc
+                 (MImmBinding (MLocalBind 3 (Unmanaged WasmI32))))
+                (immediate_analyses ((last_usage Last))))
+               (((instr_desc
+                  (MDrop
+                   ((instr_desc
+                     (MSet (MLocalBind 4 Managed)
+                      ((instr_desc
+                        (MImmediate
+                         ((immediate_desc
+                           (MIncRef
+                            ((immediate_desc
+                              (MImmBinding (MLocalBind 14 Managed)))
+                             (immediate_analyses ((last_usage Last))))))
+                          (immediate_analyses ((last_usage Unknown)))))))))))))
+                ((instr_desc
+                  (MImmediate
+                   ((immediate_desc (MImmConst (MConstI32 0)))
+                    (immediate_analyses ((last_usage Unknown))))))))
+               (((instr_desc
+                  (MImmediate
+                   ((immediate_desc MImmTrap)
+                    (immediate_analyses ((last_usage Unknown))))))))))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 15 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 14 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MCleanup
+      (((instr_desc
+         (MSwitch
+          ((immediate_desc (MImmBinding (MLocalBind 2 (Unmanaged WasmI32))))
+           (immediate_analyses ((last_usage Last))))
+          ((0
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc
+                  (MIncRef
+                   ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+                    (immediate_analyses ((last_usage Last))))))
+                 (immediate_analyses ((last_usage Unknown)))))))))
+           (1
+            (((instr_desc
+               (MCleanup ()
+                (((immediate_desc (MImmBinding (MLocalBind 13 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 12 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 11 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 10 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 9 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 8 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))))))
+             ((instr_desc
+               (MReturnCallKnown (func +_1155)
+                (closure
+                 ((immediate_desc
+                   (MIncRef
+                    ((immediate_desc
+                      (MImmBinding (MGlobalBind +_1155 Managed)))
+                     (immediate_analyses ((last_usage TailCallLast))))))
+                  (immediate_analyses ((last_usage Unknown)))))
+                (func_type ((Managed Managed) (Managed)))
+                (args
+                 (((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+                   (immediate_analyses ((last_usage Last))))
+                  ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+                   (immediate_analyses ((last_usage Last)))))))))))
+           (2
+            (((instr_desc
+               (MStore
+                (((MLocalBind 22 Managed)
+                  ((instr_desc
+                    (MCallKnown (func +_1155)
+                     (closure
+                      ((immediate_desc
+                        (MIncRef
+                         ((immediate_desc
+                           (MImmBinding (MGlobalBind +_1155 Managed)))
+                          (immediate_analyses ((last_usage Unknown))))))
+                       (immediate_analyses ((last_usage Unknown)))))
+                     (func_type ((Managed Managed) (Managed)))
+                     (args
+                      (((immediate_desc
+                         (MIncRef
+                          ((immediate_desc
+                            (MImmBinding (MLocalBind 7 Managed)))
+                           (immediate_analyses ((last_usage Last))))))
+                        (immediate_analyses ((last_usage Unknown))))
+                       ((immediate_desc
+                         (MIncRef
+                          ((immediate_desc
+                            (MImmBinding (MLocalBind 8 Managed)))
+                           (immediate_analyses ((last_usage Last))))))
+                        (immediate_analyses ((last_usage Unknown))))))))))))))
+             ((instr_desc
+               (MCleanup ()
+                (((immediate_desc (MImmBinding (MLocalBind 13 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 12 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 11 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 10 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 8 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))))))
+             ((instr_desc
+               (MReturnCallKnown (func +_1155)
+                (closure
+                 ((immediate_desc
+                   (MIncRef
+                    ((immediate_desc
+                      (MImmBinding (MGlobalBind +_1155 Managed)))
+                     (immediate_analyses ((last_usage TailCallLast))))))
+                  (immediate_analyses ((last_usage Unknown)))))
+                (func_type ((Managed Managed) (Managed)))
+                (args
+                 (((immediate_desc (MImmBinding (MLocalBind 22 Managed)))
+                   (immediate_analyses ((last_usage Last))))
+                  ((immediate_desc (MImmBinding (MLocalBind 9 Managed)))
+                   (immediate_analyses ((last_usage Last)))))))))))
+           (3
+            (((instr_desc
+               (MStore
+                (((MLocalBind 23 Managed)
+                  ((instr_desc
+                    (MCallKnown (func +_1155)
+                     (closure
+                      ((immediate_desc
+                        (MIncRef
+                         ((immediate_desc
+                           (MImmBinding (MGlobalBind +_1155 Managed)))
+                          (immediate_analyses ((last_usage Unknown))))))
+                       (immediate_analyses ((last_usage Unknown)))))
+                     (func_type ((Managed Managed) (Managed)))
+                     (args
+                      (((immediate_desc
+                         (MIncRef
+                          ((immediate_desc
+                            (MImmBinding (MLocalBind 10 Managed)))
+                           (immediate_analyses ((last_usage Last))))))
+                        (immediate_analyses ((last_usage Unknown))))
+                       ((immediate_desc
+                         (MIncRef
+                          ((immediate_desc
+                            (MImmBinding (MLocalBind 11 Managed)))
+                           (immediate_analyses ((last_usage Last))))))
+                        (immediate_analyses ((last_usage Unknown))))))))))))))
+             ((instr_desc
+               (MStore
+                (((MLocalBind 24 Managed)
+                  ((instr_desc
+                    (MCallKnown (func +_1155)
+                     (closure
+                      ((immediate_desc
+                        (MIncRef
+                         ((immediate_desc
+                           (MImmBinding (MGlobalBind +_1155 Managed)))
+                          (immediate_analyses ((last_usage Unknown))))))
+                       (immediate_analyses ((last_usage Unknown)))))
+                     (func_type ((Managed Managed) (Managed)))
+                     (args
+                      (((immediate_desc
+                         (MImmBinding (MLocalBind 23 Managed)))
+                        (immediate_analyses ((last_usage Last))))
+                       ((immediate_desc
+                         (MIncRef
+                          ((immediate_desc
+                            (MImmBinding (MLocalBind 12 Managed)))
+                           (immediate_analyses ((last_usage Last))))))
+                        (immediate_analyses ((last_usage Unknown))))))))))))))
+             ((instr_desc
+               (MCleanup ()
+                (((immediate_desc (MImmBinding (MLocalBind 12 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 11 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 10 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 9 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 8 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))))))
+             ((instr_desc
+               (MReturnCallKnown (func +_1155)
+                (closure
+                 ((immediate_desc
+                   (MIncRef
+                    ((immediate_desc
+                      (MImmBinding (MGlobalBind +_1155 Managed)))
+                     (immediate_analyses ((last_usage Last))))))
+                  (immediate_analyses ((last_usage Unknown)))))
+                (func_type ((Managed Managed) (Managed)))
+                (args
+                 (((immediate_desc (MImmBinding (MLocalBind 24 Managed)))
+                   (immediate_analyses ((last_usage Last))))
+                  ((immediate_desc (MImmBinding (MLocalBind 13 Managed)))
+                   (immediate_analyses ((last_usage Last)))))))))))
+           (4
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc (MImmConst (MConstI32 999)))
+                 (immediate_analyses ((last_usage Unknown))))))))))
+          (((instr_desc
+             (MImmediate
+              ((immediate_desc MImmTrap)
+               (immediate_analyses ((last_usage Unknown))))))))
+          Managed))))
+      (((immediate_desc (MImmBinding (MLocalBind 13 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 12 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 11 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 10 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 9 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 8 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 25) (stack_size_i32 12) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1160) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/pattern_matching.eb4334e1.0.snapshot b/compiler/test/__snapshots__/pattern_matching.eb4334e1.0.snapshot
index 5904371f3..c08ac43ea 100644
--- a/compiler/test/__snapshots__/pattern_matching.eb4334e1.0.snapshot
+++ b/compiler/test/__snapshots__/pattern_matching.eb4334e1.0.snapshot
@@ -1,473 +1,267 @@
 pattern matching › constant_match_4
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/equal.gr\" \"GRAIN$EXPORT$equal\" (global $GRAIN$EXPORT$equal_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$==\" (global $==_1126 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/equal.gr\" \"equal\" (func $equal_0 (param i32 i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"==\" (func $==_1126 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (local $13 i32)
-  (local $14 i32)
-  (local $15 i32)
-  (local $16 i32)
-  (local $17 i32)
-  (block $compile_block.49 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_string.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i64.store offset=8
-       (local.get $0)
-       (i64.const 7303014)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_tuple.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (local.get $6)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 11)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.8
-    (local.set $8
-     (i32.const 0)
-    )
-    (block $do_backpatches.7
-    )
-   )
-   (block $compile_store.10
-    (local.set $9
-     (i32.const 0)
-    )
-    (block $do_backpatches.9
-    )
-   )
-   (block $compile_store.12
-    (local.set $10
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (local.get $7)
-      )
-     )
-    )
-    (block $do_backpatches.11
-    )
-   )
-   (block $compile_store.14
-    (local.set $11
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=12
-       (local.get $7)
-      )
-     )
-    )
-    (block $do_backpatches.13
-    )
-   )
-   (block $cleanup.15
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $7)
-     )
-    )
-   )
-   (block $compile_store.18
-    (local.set $12
-     (block $allocate_string.16 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i64.store offset=8
-       (local.get $0)
-       (i64.const 7303014)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.17
-    )
-   )
-   (block $compile_store.20
-    (local.set $13
-     (call $equal_0
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $GRAIN$EXPORT$equal_0)
-      )
-      (local.get $10)
-      (local.get $12)
-     )
-    )
-    (block $do_backpatches.19
-    )
-   )
-   (block $compile_store.40
-    (local.set $14
-     (if (result i32)
-      (i32.shr_u
-       (local.get $13)
-       (i32.const 31)
-      )
-      (block $compile_block.37 (result i32)
-       (drop
-        (block $compile_set.21 (result i32)
-         (local.set $8
-          (tuple.extract 0
-           (tuple.make
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (call $incRef_0
-              (global.get $GRAIN$EXPORT$incRef_0)
-              (local.get $11)
-             )
-            )
-            (call $decRef_0
-             (global.get $GRAIN$EXPORT$decRef_0)
-             (local.get $8)
-            )
-           )
-          )
-         )
-         (i32.const 1879048190)
-        )
-       )
-       (block $compile_store.23
-        (local.set $15
-         (call $==_1126
-          (call $incRef_0
-           (global.get $GRAIN$EXPORT$incRef_0)
-           (global.get $==_1126)
-          )
-          (call $incRef_0
-           (global.get $GRAIN$EXPORT$incRef_0)
-           (local.get $8)
-          )
-          (i32.const 15)
-         )
-        )
-        (block $do_backpatches.22
-        )
-       )
-       (if (result i32)
-        (i32.shr_u
-         (local.get $15)
-         (i32.const 31)
-        )
-        (block $compile_block.25 (result i32)
-         (drop
-          (block $compile_set.24 (result i32)
-           (local.set $8
-            (tuple.extract 0
-             (tuple.make
-              (call $incRef_0
-               (global.get $GRAIN$EXPORT$incRef_0)
-               (call $incRef_0
-                (global.get $GRAIN$EXPORT$incRef_0)
-                (local.get $11)
-               )
-              )
-              (call $decRef_0
-               (global.get $GRAIN$EXPORT$decRef_0)
-               (local.get $8)
-              )
-             )
-            )
-           )
-           (i32.const 1879048190)
-          )
-         )
-         (i32.const 1)
-        )
-        (block $compile_block.36 (result i32)
-         (block $compile_store.27
-          (local.set $16
-           (call $equal_0
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (global.get $GRAIN$EXPORT$equal_0)
-            )
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (local.get $11)
-            )
-            (i32.const 19)
-           )
-          )
-          (block $do_backpatches.26
-          )
-         )
-         (if (result i32)
-          (i32.shr_u
-           (local.get $16)
-           (i32.const 31)
-          )
-          (block $compile_block.28 (result i32)
-           (i32.const 3)
-          )
-          (block $compile_block.35 (result i32)
-           (drop
-            (block $compile_set.29 (result i32)
-             (local.set $9
-              (tuple.extract 0
-               (tuple.make
-                (call $incRef_0
-                 (global.get $GRAIN$EXPORT$incRef_0)
-                 (call $incRef_0
-                  (global.get $GRAIN$EXPORT$incRef_0)
-                  (local.get $11)
-                 )
-                )
-                (call $decRef_0
-                 (global.get $GRAIN$EXPORT$decRef_0)
-                 (local.get $9)
-                )
-               )
-              )
-             )
-             (i32.const 1879048190)
-            )
-           )
-           (block $compile_store.31
-            (local.set $17
-             (call $==_1126
-              (call $incRef_0
-               (global.get $GRAIN$EXPORT$incRef_0)
-               (global.get $==_1126)
-              )
-              (call $incRef_0
-               (global.get $GRAIN$EXPORT$incRef_0)
-               (local.get $9)
-              )
-              (i32.const 11)
-             )
-            )
-            (block $do_backpatches.30
-            )
-           )
-           (if (result i32)
-            (i32.shr_u
-             (local.get $17)
-             (i32.const 31)
-            )
-            (block $compile_block.33 (result i32)
-             (drop
-              (block $compile_set.32 (result i32)
-               (local.set $9
-                (tuple.extract 0
-                 (tuple.make
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (call $incRef_0
-                    (global.get $GRAIN$EXPORT$incRef_0)
-                    (local.get $11)
-                   )
-                  )
-                  (call $decRef_0
-                   (global.get $GRAIN$EXPORT$decRef_0)
-                   (local.get $9)
-                  )
-                 )
-                )
-               )
-               (i32.const 1879048190)
-              )
-             )
-             (i32.const 5)
-            )
-            (block $compile_block.34 (result i32)
-             (i32.const 7)
-            )
-           )
-          )
-         )
-        )
-       )
-      )
-      (block $compile_block.38 (result i32)
-       (i32.const 7)
-      )
-     )
-    )
-    (block $do_backpatches.39
-    )
-   )
-   (block $cleanup.41
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $11)
-     )
-    )
-   )
-   (tuple.extract 0
-    (tuple.make
-     (block $switch.43_outer (result i32)
-      (block $switch.43_branch_0 (result i32)
-       (drop
-        (block $switch.43_branch_1 (result i32)
-         (drop
-          (block $switch.43_branch_2 (result i32)
-           (drop
-            (block $switch.43_branch_3 (result i32)
-             (drop
-              (block $switch.43_branch_4 (result i32)
-               (drop
-                (block $switch.43_default (result i32)
-                 (br_table $switch.43_branch_1 $switch.43_branch_2 $switch.43_branch_3 $switch.43_branch_4 $switch.43_default $switch.43_default
-                  (i32.const 0)
-                  (i32.shr_s
-                   (local.get $14)
-                   (i32.const 1)
-                  )
-                 )
-                )
-               )
-               (br $switch.43_outer
-                (block $compile_block.48 (result i32)
-                 (unreachable)
-                )
-               )
-              )
-             )
-             (br $switch.43_outer
-              (block $compile_block.47 (result i32)
-               (i32.const 2147483646)
-              )
-             )
-            )
-           )
-           (br $switch.43_outer
-            (block $compile_block.46 (result i32)
-             (i32.const -2)
-            )
-           )
-          )
-         )
-         (br $switch.43_outer
-          (block $compile_block.45 (result i32)
-           (i32.const 2147483646)
-          )
-         )
-        )
-       )
-       (br $switch.43_outer
-        (block $compile_block.44 (result i32)
-         (i32.const 2147483646)
-        )
-       )
-      )
-     )
-     (block $cleanup.42 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $8)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $9)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1126) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1126) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed) ((instr_desc (MAllocate (MString foo)))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))
+             ((immediate_desc (MImmConst (MConstI32 5)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 5 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 1)
+           ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 6 Managed) ((instr_desc (MAllocate (MString foo)))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MPrim2 Eq
+           ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+            (immediate_analyses ((last_usage Last))))
+           ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 (Unmanaged WasmI32))
+        ((instr_desc
+          (MIf
+           ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Last))))
+           (((instr_desc
+              (MDrop
+               ((instr_desc
+                 (MSet (MLocalBind 2 Managed)
+                  ((instr_desc
+                    (MImmediate
+                     ((immediate_desc
+                       (MIncRef
+                        ((immediate_desc
+                          (MImmBinding (MLocalBind 5 Managed)))
+                         (immediate_analyses ((last_usage Unknown))))))
+                      (immediate_analyses ((last_usage Unknown)))))))))))))
+            ((instr_desc
+              (MStore
+               (((MLocalBind 2 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MCallKnown (func ==_1126)
+                    (closure
+                     ((immediate_desc
+                       (MIncRef
+                        ((immediate_desc
+                          (MImmBinding (MGlobalBind ==_1126 Managed)))
+                         (immediate_analyses ((last_usage Unknown))))))
+                      (immediate_analyses ((last_usage Unknown)))))
+                    (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+                    (args
+                     (((immediate_desc
+                        (MIncRef
+                         ((immediate_desc
+                           (MImmBinding (MLocalBind 2 Managed)))
+                          (immediate_analyses ((last_usage Unknown))))))
+                       (immediate_analyses ((last_usage Unknown))))
+                      ((immediate_desc (MImmConst (MConstI32 7)))
+                       (immediate_analyses ((last_usage Unknown))))))))))))))
+            ((instr_desc
+              (MIf
+               ((immediate_desc
+                 (MImmBinding (MLocalBind 2 (Unmanaged WasmI32))))
+                (immediate_analyses ((last_usage Last))))
+               (((instr_desc
+                  (MDrop
+                   ((instr_desc
+                     (MSet (MLocalBind 2 Managed)
+                      ((instr_desc
+                        (MImmediate
+                         ((immediate_desc
+                           (MIncRef
+                            ((immediate_desc
+                              (MImmBinding (MLocalBind 5 Managed)))
+                             (immediate_analyses ((last_usage Unknown))))))
+                          (immediate_analyses ((last_usage Unknown)))))))))))))
+                ((instr_desc
+                  (MImmediate
+                   ((immediate_desc (MImmConst (MConstI32 0)))
+                    (immediate_analyses ((last_usage Unknown))))))))
+               (((instr_desc
+                  (MStore
+                   (((MLocalBind 3 (Unmanaged WasmI32))
+                     ((instr_desc
+                       (MPrim2 Eq
+                        ((immediate_desc
+                          (MIncRef
+                           ((immediate_desc
+                             (MImmBinding (MLocalBind 5 Managed)))
+                            (immediate_analyses ((last_usage Unknown))))))
+                         (immediate_analyses ((last_usage Unknown))))
+                        ((immediate_desc (MImmConst (MConstI32 9)))
+                         (immediate_analyses ((last_usage Unknown))))))))))))
+                ((instr_desc
+                  (MIf
+                   ((immediate_desc
+                     (MImmBinding (MLocalBind 3 (Unmanaged WasmI32))))
+                    (immediate_analyses ((last_usage Last))))
+                   (((instr_desc
+                      (MImmediate
+                       ((immediate_desc (MImmConst (MConstI32 1)))
+                        (immediate_analyses ((last_usage Unknown))))))))
+                   (((instr_desc
+                      (MDrop
+                       ((instr_desc
+                         (MSet (MLocalBind 3 Managed)
+                          ((instr_desc
+                            (MImmediate
+                             ((immediate_desc
+                               (MIncRef
+                                ((immediate_desc
+                                  (MImmBinding (MLocalBind 5 Managed)))
+                                 (immediate_analyses ((last_usage Unknown))))))
+                              (immediate_analyses ((last_usage Unknown)))))))))))))
+                    ((instr_desc
+                      (MStore
+                       (((MLocalBind 4 (Unmanaged WasmI32))
+                         ((instr_desc
+                           (MCallKnown (func ==_1126)
+                            (closure
+                             ((immediate_desc
+                               (MIncRef
+                                ((immediate_desc
+                                  (MImmBinding (MGlobalBind ==_1126 Managed)))
+                                 (immediate_analyses ((last_usage Last))))))
+                              (immediate_analyses ((last_usage Unknown)))))
+                            (func_type
+                             ((Managed Managed) ((Unmanaged WasmI32))))
+                            (args
+                             (((immediate_desc
+                                (MIncRef
+                                 ((immediate_desc
+                                   (MImmBinding (MLocalBind 3 Managed)))
+                                  (immediate_analyses ((last_usage Unknown))))))
+                               (immediate_analyses ((last_usage Unknown))))
+                              ((immediate_desc (MImmConst (MConstI32 5)))
+                               (immediate_analyses ((last_usage Unknown))))))))))))))
+                    ((instr_desc
+                      (MIf
+                       ((immediate_desc
+                         (MImmBinding (MLocalBind 4 (Unmanaged WasmI32))))
+                        (immediate_analyses ((last_usage Last))))
+                       (((instr_desc
+                          (MDrop
+                           ((instr_desc
+                             (MSet (MLocalBind 3 Managed)
+                              ((instr_desc
+                                (MImmediate
+                                 ((immediate_desc
+                                   (MIncRef
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 5 Managed)))
+                                     (immediate_analyses ((last_usage Last))))))
+                                  (immediate_analyses ((last_usage Unknown)))))))))))))
+                        ((instr_desc
+                          (MImmediate
+                           ((immediate_desc (MImmConst (MConstI32 2)))
+                            (immediate_analyses ((last_usage Unknown))))))))
+                       (((instr_desc
+                          (MImmediate
+                           ((immediate_desc (MImmConst (MConstI32 3)))
+                            (immediate_analyses ((last_usage Unknown))))))))))))))))))))
+           (((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmConst (MConstI32 3)))
+                (immediate_analyses ((last_usage Unknown))))))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MCleanup
+      (((instr_desc
+         (MSwitch
+          ((immediate_desc (MImmBinding (MLocalBind 1 (Unmanaged WasmI32))))
+           (immediate_analyses ((last_usage Last))))
+          ((0
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc
+                  (MImmConst (MConstLiteral (MConstI32 2147483646))))
+                 (immediate_analyses ((last_usage Unknown)))))))))
+           (1
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc
+                  (MImmConst (MConstLiteral (MConstI32 2147483646))))
+                 (immediate_analyses ((last_usage Unknown)))))))))
+           (2
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+                 (immediate_analyses ((last_usage Unknown)))))))))
+           (3
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc
+                  (MImmConst (MConstLiteral (MConstI32 2147483646))))
+                 (immediate_analyses ((last_usage Unknown))))))))))
+          (((instr_desc
+             (MImmediate
+              ((immediate_desc MImmTrap)
+               (immediate_analyses ((last_usage Unknown))))))))
+          (Unmanaged WasmI32)))))
+      (((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 7) (stack_size_i32 5) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1135) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/pattern_matching.f0c08ea4.0.snapshot b/compiler/test/__snapshots__/pattern_matching.f0c08ea4.0.snapshot
index 2a8dc8d2f..a1dae6bae 100644
--- a/compiler/test/__snapshots__/pattern_matching.f0c08ea4.0.snapshot
+++ b/compiler/test/__snapshots__/pattern_matching.f0c08ea4.0.snapshot
@@ -1,1389 +1,824 @@
 pattern matching › tuple_match_deep7
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1159 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1159 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (local $13 i32)
-  (local $14 i32)
-  (local $15 i32)
-  (local $16 i32)
-  (local $17 i32)
-  (local $18 i32)
-  (local $19 i32)
-  (local $20 i32)
-  (local $21 i32)
-  (local $22 i32)
-  (local $23 i32)
-  (local $24 i32)
-  (local $25 i32)
-  (local $26 i32)
-  (local $27 i32)
-  (local $28 i32)
-  (local $29 i32)
-  (local $30 i32)
-  (local $31 i32)
-  (local $32 i32)
-  (local $33 i32)
-  (local $34 i32)
-  (local $35 i32)
-  (local $36 i32)
-  (local $37 i32)
-  (local $38 i32)
-  (local $39 i32)
-  (local $40 i32)
-  (local $41 i32)
-  (local $42 i32)
-  (local $43 i32)
-  (local $44 i32)
-  (block $compile_block.126 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_adt.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_adt.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 15)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $6)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.9
-    (local.set $8
-     (block $allocate_adt.7 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 13)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $7)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $compile_store.12
-    (local.set $9
-     (block $allocate_adt.10 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $8)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.11
-    )
-   )
-   (block $compile_store.15
-    (local.set $10
-     (block $allocate_adt.13 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 9)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $9)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.14
-    )
-   )
-   (block $compile_store.18
-    (local.set $11
-     (block $allocate_tuple.16 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (local.get $10)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.17
-    )
-   )
-   (block $compile_store.20
-    (local.set $12
-     (i32.const 0)
-    )
-    (block $do_backpatches.19
-    )
-   )
-   (block $compile_store.22
-    (local.set $13
-     (i32.const 0)
-    )
-    (block $do_backpatches.21
-    )
-   )
-   (block $compile_store.24
-    (local.set $14
-     (i32.const 0)
-    )
-    (block $do_backpatches.23
-    )
-   )
-   (block $compile_store.26
-    (local.set $15
-     (i32.const 0)
-    )
-    (block $do_backpatches.25
-    )
-   )
-   (block $compile_store.28
-    (local.set $16
-     (i32.const 0)
-    )
-    (block $do_backpatches.27
-    )
-   )
-   (block $compile_store.30
-    (local.set $17
-     (i32.const 0)
-    )
-    (block $do_backpatches.29
-    )
-   )
-   (block $compile_store.32
-    (local.set $18
-     (i32.const 0)
-    )
-    (block $do_backpatches.31
-    )
-   )
-   (block $compile_store.34
-    (local.set $19
-     (i32.const 0)
-    )
-    (block $do_backpatches.33
-    )
-   )
-   (block $compile_store.36
-    (local.set $20
-     (i32.const 0)
-    )
-    (block $do_backpatches.35
-    )
-   )
-   (block $compile_store.38
-    (local.set $21
-     (i32.const 0)
-    )
-    (block $do_backpatches.37
-    )
-   )
-   (block $compile_store.40
-    (local.set $22
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (local.get $11)
-      )
-     )
-    )
-    (block $do_backpatches.39
-    )
-   )
-   (block $compile_store.42
-    (local.set $23
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=12
-       (local.get $11)
-      )
-     )
-    )
-    (block $do_backpatches.41
-    )
-   )
-   (block $cleanup.43
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $11)
-     )
-    )
-   )
-   (block $compile_store.45
-    (local.set $33
-     (i32.load offset=12
-      (local.get $23)
-     )
-    )
-    (block $do_backpatches.44
-    )
-   )
-   (block $compile_store.47
-    (local.set $34
-     (i32.or
-      (i32.shl
-       (i32.eq
-        (local.get $33)
-        (i32.const 1)
-       )
-       (i32.const 31)
-      )
-      (i32.const 2147483646)
-     )
-    )
-    (block $do_backpatches.46
-    )
-   )
-   (block $compile_store.107
-    (local.set $35
-     (if (result i32)
-      (i32.shr_u
-       (local.get $34)
-       (i32.const 31)
-      )
-      (block $compile_block.99 (result i32)
-       (block $compile_store.49
-        (local.set $24
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (i32.load offset=20
-           (local.get $23)
-          )
-         )
-        )
-        (block $do_backpatches.48
-        )
-       )
-       (block $compile_store.51
-        (local.set $25
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (i32.load offset=24
-           (local.get $23)
-          )
-         )
-        )
-        (block $do_backpatches.50
-        )
-       )
-       (block $compile_store.53
-        (local.set $37
-         (i32.load offset=12
-          (local.get $25)
-         )
-        )
-        (block $do_backpatches.52
-        )
-       )
-       (block $compile_store.55
-        (local.set $38
-         (i32.or
-          (i32.shl
-           (i32.eq
-            (local.get $37)
-            (i32.const 1)
-           )
-           (i32.const 31)
-          )
-          (i32.const 2147483646)
-         )
-        )
-        (block $do_backpatches.54
-        )
-       )
-       (tuple.extract 0
-        (tuple.make
-         (if (result i32)
-          (i32.shr_u
-           (local.get $38)
-           (i32.const 31)
-          )
-          (block $compile_block.91 (result i32)
-           (block $compile_store.58
-            (local.set $26
-             (call $incRef_0
-              (global.get $GRAIN$EXPORT$incRef_0)
-              (i32.load offset=20
-               (local.get $25)
-              )
-             )
-            )
-            (block $do_backpatches.57
-            )
-           )
-           (block $compile_store.60
-            (local.set $27
-             (call $incRef_0
-              (global.get $GRAIN$EXPORT$incRef_0)
-              (i32.load offset=24
-               (local.get $25)
-              )
-             )
-            )
-            (block $do_backpatches.59
-            )
-           )
-           (block $compile_store.62
-            (local.set $40
-             (i32.load offset=12
-              (local.get $27)
-             )
-            )
-            (block $do_backpatches.61
-            )
-           )
-           (block $compile_store.64
-            (local.set $41
-             (i32.or
-              (i32.shl
-               (i32.eq
-                (local.get $40)
-                (i32.const 1)
-               )
-               (i32.const 31)
-              )
-              (i32.const 2147483646)
-             )
-            )
-            (block $do_backpatches.63
-            )
-           )
-           (tuple.extract 0
-            (tuple.make
-             (if (result i32)
-              (i32.shr_u
-               (local.get $41)
-               (i32.const 31)
-              )
-              (block $compile_block.82 (result i32)
-               (block $compile_store.67
-                (local.set $28
-                 (call $incRef_0
-                  (global.get $GRAIN$EXPORT$incRef_0)
-                  (i32.load offset=20
-                   (local.get $27)
-                  )
-                 )
-                )
-                (block $do_backpatches.66
-                )
-               )
-               (block $compile_store.69
-                (local.set $29
-                 (call $incRef_0
-                  (global.get $GRAIN$EXPORT$incRef_0)
-                  (i32.load offset=24
-                   (local.get $27)
-                  )
-                 )
-                )
-                (block $do_backpatches.68
-                )
-               )
-               (block $compile_store.71
-                (local.set $43
-                 (i32.load offset=12
-                  (local.get $29)
-                 )
-                )
-                (block $do_backpatches.70
-                )
-               )
-               (block $cleanup.72
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $29)
-                 )
-                )
-               )
-               (block $compile_store.74
-                (local.set $44
-                 (i32.or
-                  (i32.shl
-                   (i32.eq
-                    (local.get $43)
-                    (i32.const 3)
-                   )
-                   (i32.const 31)
-                  )
-                  (i32.const 2147483646)
-                 )
-                )
-                (block $do_backpatches.73
-                )
-               )
-               (tuple.extract 0
-                (tuple.make
-                 (if (result i32)
-                  (i32.shr_u
-                   (local.get $44)
-                   (i32.const 31)
-                  )
-                  (block $compile_block.80 (result i32)
-                   (drop
-                    (block $compile_set.76 (result i32)
-                     (local.set $18
-                      (tuple.extract 0
-                       (tuple.make
-                        (call $incRef_0
-                         (global.get $GRAIN$EXPORT$incRef_0)
-                         (call $incRef_0
-                          (global.get $GRAIN$EXPORT$incRef_0)
-                          (local.get $22)
-                         )
-                        )
-                        (call $decRef_0
-                         (global.get $GRAIN$EXPORT$decRef_0)
-                         (local.get $18)
-                        )
-                       )
-                      )
-                     )
-                     (i32.const 1879048190)
-                    )
-                   )
-                   (drop
-                    (block $compile_set.77 (result i32)
-                     (local.set $19
-                      (tuple.extract 0
-                       (tuple.make
-                        (call $incRef_0
-                         (global.get $GRAIN$EXPORT$incRef_0)
-                         (call $incRef_0
-                          (global.get $GRAIN$EXPORT$incRef_0)
-                          (local.get $24)
-                         )
-                        )
-                        (call $decRef_0
-                         (global.get $GRAIN$EXPORT$decRef_0)
-                         (local.get $19)
-                        )
-                       )
-                      )
-                     )
-                     (i32.const 1879048190)
-                    )
-                   )
-                   (drop
-                    (block $compile_set.78 (result i32)
-                     (local.set $20
-                      (tuple.extract 0
-                       (tuple.make
-                        (call $incRef_0
-                         (global.get $GRAIN$EXPORT$incRef_0)
-                         (call $incRef_0
-                          (global.get $GRAIN$EXPORT$incRef_0)
-                          (local.get $26)
-                         )
-                        )
-                        (call $decRef_0
-                         (global.get $GRAIN$EXPORT$decRef_0)
-                         (local.get $20)
-                        )
-                       )
-                      )
-                     )
-                     (i32.const 1879048190)
-                    )
-                   )
-                   (drop
-                    (block $compile_set.79 (result i32)
-                     (local.set $21
-                      (tuple.extract 0
-                       (tuple.make
-                        (call $incRef_0
-                         (global.get $GRAIN$EXPORT$incRef_0)
-                         (call $incRef_0
-                          (global.get $GRAIN$EXPORT$incRef_0)
-                          (local.get $28)
-                         )
-                        )
-                        (call $decRef_0
-                         (global.get $GRAIN$EXPORT$decRef_0)
-                         (local.get $21)
-                        )
-                       )
-                      )
-                     )
-                     (i32.const 1879048190)
-                    )
-                   )
-                   (i32.const 7)
-                  )
-                  (block $compile_block.81 (result i32)
-                   (i32.const 9)
-                  )
-                 )
-                 (block $cleanup.75 (result i32)
-                  (drop
-                   (call $decRef_0
-                    (global.get $GRAIN$EXPORT$decRef_0)
-                    (local.get $28)
-                   )
-                  )
-                  (i32.const 1879048190)
-                 )
-                )
-               )
-              )
-              (block $compile_block.90 (result i32)
-               (block $compile_store.84
-                (local.set $42
-                 (i32.or
-                  (i32.shl
-                   (i32.eq
-                    (local.get $40)
-                    (i32.const 3)
-                   )
-                   (i32.const 31)
-                  )
-                  (i32.const 2147483646)
-                 )
-                )
-                (block $do_backpatches.83
-                )
-               )
-               (if (result i32)
-                (i32.shr_u
-                 (local.get $42)
-                 (i32.const 31)
-                )
-                (block $compile_block.88 (result i32)
-                 (drop
-                  (block $compile_set.85 (result i32)
-                   (local.set $15
-                    (tuple.extract 0
-                     (tuple.make
-                      (call $incRef_0
-                       (global.get $GRAIN$EXPORT$incRef_0)
-                       (call $incRef_0
-                        (global.get $GRAIN$EXPORT$incRef_0)
-                        (local.get $22)
-                       )
-                      )
-                      (call $decRef_0
-                       (global.get $GRAIN$EXPORT$decRef_0)
-                       (local.get $15)
-                      )
-                     )
-                    )
-                   )
-                   (i32.const 1879048190)
-                  )
-                 )
-                 (drop
-                  (block $compile_set.86 (result i32)
-                   (local.set $16
-                    (tuple.extract 0
-                     (tuple.make
-                      (call $incRef_0
-                       (global.get $GRAIN$EXPORT$incRef_0)
-                       (call $incRef_0
-                        (global.get $GRAIN$EXPORT$incRef_0)
-                        (local.get $24)
-                       )
-                      )
-                      (call $decRef_0
-                       (global.get $GRAIN$EXPORT$decRef_0)
-                       (local.get $16)
-                      )
-                     )
-                    )
-                   )
-                   (i32.const 1879048190)
-                  )
-                 )
-                 (drop
-                  (block $compile_set.87 (result i32)
-                   (local.set $17
-                    (tuple.extract 0
-                     (tuple.make
-                      (call $incRef_0
-                       (global.get $GRAIN$EXPORT$incRef_0)
-                       (call $incRef_0
-                        (global.get $GRAIN$EXPORT$incRef_0)
-                        (local.get $26)
-                       )
-                      )
-                      (call $decRef_0
-                       (global.get $GRAIN$EXPORT$decRef_0)
-                       (local.get $17)
-                      )
-                     )
-                    )
-                   )
-                   (i32.const 1879048190)
-                  )
-                 )
-                 (i32.const 5)
-                )
-                (block $compile_block.89 (result i32)
-                 (i32.const 9)
-                )
-               )
-              )
-             )
-             (block $cleanup.65 (result i32)
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $26)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $27)
-               )
-              )
-              (i32.const 1879048190)
-             )
-            )
-           )
-          )
-          (block $compile_block.98 (result i32)
-           (block $compile_store.93
-            (local.set $39
-             (i32.or
-              (i32.shl
-               (i32.eq
-                (local.get $37)
-                (i32.const 3)
-               )
-               (i32.const 31)
-              )
-              (i32.const 2147483646)
-             )
-            )
-            (block $do_backpatches.92
-            )
-           )
-           (if (result i32)
-            (i32.shr_u
-             (local.get $39)
-             (i32.const 31)
-            )
-            (block $compile_block.96 (result i32)
-             (drop
-              (block $compile_set.94 (result i32)
-               (local.set $13
-                (tuple.extract 0
-                 (tuple.make
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (call $incRef_0
-                    (global.get $GRAIN$EXPORT$incRef_0)
-                    (local.get $22)
-                   )
-                  )
-                  (call $decRef_0
-                   (global.get $GRAIN$EXPORT$decRef_0)
-                   (local.get $13)
-                  )
-                 )
-                )
-               )
-               (i32.const 1879048190)
-              )
-             )
-             (drop
-              (block $compile_set.95 (result i32)
-               (local.set $14
-                (tuple.extract 0
-                 (tuple.make
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (call $incRef_0
-                    (global.get $GRAIN$EXPORT$incRef_0)
-                    (local.get $24)
-                   )
-                  )
-                  (call $decRef_0
-                   (global.get $GRAIN$EXPORT$decRef_0)
-                   (local.get $14)
-                  )
-                 )
-                )
-               )
-               (i32.const 1879048190)
-              )
-             )
-             (i32.const 3)
-            )
-            (block $compile_block.97 (result i32)
-             (i32.const 9)
-            )
-           )
-          )
-         )
-         (block $cleanup.56 (result i32)
-          (drop
-           (call $decRef_0
-            (global.get $GRAIN$EXPORT$decRef_0)
-            (local.get $24)
-           )
-          )
-          (drop
-           (call $decRef_0
-            (global.get $GRAIN$EXPORT$decRef_0)
-            (local.get $25)
-           )
-          )
-          (i32.const 1879048190)
-         )
-        )
-       )
-      )
-      (block $compile_block.105 (result i32)
-       (block $compile_store.101
-        (local.set $36
-         (i32.or
-          (i32.shl
-           (i32.eq
-            (local.get $33)
-            (i32.const 3)
-           )
-           (i32.const 31)
-          )
-          (i32.const 2147483646)
-         )
-        )
-        (block $do_backpatches.100
-        )
-       )
-       (if (result i32)
-        (i32.shr_u
-         (local.get $36)
-         (i32.const 31)
-        )
-        (block $compile_block.103 (result i32)
-         (drop
-          (block $compile_set.102 (result i32)
-           (local.set $12
-            (tuple.extract 0
-             (tuple.make
-              (call $incRef_0
-               (global.get $GRAIN$EXPORT$incRef_0)
-               (call $incRef_0
-                (global.get $GRAIN$EXPORT$incRef_0)
-                (local.get $22)
-               )
-              )
-              (call $decRef_0
-               (global.get $GRAIN$EXPORT$decRef_0)
-               (local.get $12)
-              )
-             )
-            )
-           )
-           (i32.const 1879048190)
-          )
-         )
-         (i32.const 1)
-        )
-        (block $compile_block.104
-         (unreachable)
-        )
-       )
-      )
-     )
-    )
-    (block $do_backpatches.106
-    )
-   )
-   (block $cleanup.108
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $22)
-     )
-    )
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $23)
-     )
-    )
-   )
-   (tuple.extract 0
-    (tuple.make
-     (block $switch.110_outer (result i32)
-      (block $switch.110_branch_0 (result i32)
-       (drop
-        (block $switch.110_branch_1 (result i32)
-         (drop
-          (block $switch.110_branch_2 (result i32)
-           (drop
-            (block $switch.110_branch_3 (result i32)
-             (drop
-              (block $switch.110_branch_4 (result i32)
-               (drop
-                (block $switch.110_branch_5 (result i32)
-                 (drop
-                  (block $switch.110_default (result i32)
-                   (br_table $switch.110_branch_1 $switch.110_branch_2 $switch.110_branch_3 $switch.110_branch_4 $switch.110_branch_5 $switch.110_default $switch.110_default
-                    (i32.const 0)
-                    (i32.shr_s
-                     (local.get $35)
-                     (i32.const 1)
-                    )
-                   )
-                  )
-                 )
-                 (br $switch.110_outer
-                  (block $compile_block.125 (result i32)
-                   (unreachable)
-                  )
-                 )
-                )
-               )
-               (br $switch.110_outer
-                (block $compile_block.124 (result i32)
-                 (i32.const 1999)
-                )
-               )
-              )
-             )
-             (br $switch.110_outer
-              (block $compile_block.123
-               (block $compile_store.119
-                (local.set $31
-                 (call $+_1159
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (global.get $+_1159)
-                  )
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (local.get $18)
-                  )
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (local.get $19)
-                  )
-                 )
-                )
-                (block $do_backpatches.118
-                )
-               )
-               (block $compile_store.121
-                (local.set $32
-                 (call $+_1159
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (global.get $+_1159)
-                  )
-                  (local.get $31)
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (local.get $20)
-                  )
-                 )
-                )
-                (block $do_backpatches.120
-                )
-               )
-               (block $cleanup.122
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $12)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $13)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $14)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $15)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $16)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $17)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $18)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $19)
-                 )
-                )
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $20)
-                 )
-                )
-               )
-               (return_call $+_1159
-                (call $incRef_0
-                 (global.get $GRAIN$EXPORT$incRef_0)
-                 (global.get $+_1159)
-                )
-                (local.get $32)
-                (local.get $21)
-               )
-              )
-             )
-            )
-           )
-           (br $switch.110_outer
-            (block $compile_block.117
-             (block $compile_store.115
-              (local.set $30
-               (call $+_1159
-                (call $incRef_0
-                 (global.get $GRAIN$EXPORT$incRef_0)
-                 (global.get $+_1159)
-                )
-                (call $incRef_0
-                 (global.get $GRAIN$EXPORT$incRef_0)
-                 (local.get $15)
-                )
-                (call $incRef_0
-                 (global.get $GRAIN$EXPORT$incRef_0)
-                 (local.get $16)
-                )
-               )
-              )
-              (block $do_backpatches.114
-              )
-             )
-             (block $cleanup.116
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $12)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $13)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $14)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $15)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $16)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $18)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $19)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $20)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $21)
-               )
-              )
-             )
-             (return_call $+_1159
-              (call $incRef_0
-               (global.get $GRAIN$EXPORT$incRef_0)
-               (global.get $+_1159)
-              )
-              (local.get $30)
-              (local.get $17)
-             )
-            )
-           )
-          )
-         )
-         (br $switch.110_outer
-          (block $compile_block.113
-           (block $cleanup.112
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $12)
-             )
-            )
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $15)
-             )
-            )
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $16)
-             )
-            )
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $17)
-             )
-            )
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $18)
-             )
-            )
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $19)
-             )
-            )
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $20)
-             )
-            )
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $21)
-             )
-            )
-           )
-           (return_call $+_1159
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (global.get $+_1159)
-            )
-            (local.get $13)
-            (local.get $14)
-           )
-          )
-         )
-        )
-       )
-       (br $switch.110_outer
-        (block $compile_block.111 (result i32)
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (local.get $12)
-         )
-        )
-       )
-      )
-     )
-     (block $cleanup.109 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $12)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $13)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $14)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $15)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $16)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $17)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $18)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $19)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $20)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $21)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1159) (name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1159) (name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 7)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 6)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 5)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 4)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 5 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 6 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 7 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 8 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 9 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 10 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 11 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 12 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 13 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 14 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 15 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 16 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 17 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 1)
+           ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MAdtOp MAdtGetTag
+           ((immediate_desc (MImmBinding (MLocalBind 17 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 (Unmanaged WasmI32))
+        ((instr_desc
+          (MPrim2 Is
+           ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Unknown))))
+           ((immediate_desc (MImmConst (MConstI32 0)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 (Unmanaged WasmI32))
+        ((instr_desc
+          (MIf
+           ((immediate_desc (MImmBinding (MLocalBind 1 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Last))))
+           (((instr_desc
+              (MStore
+               (((MLocalBind 18 Managed)
+                 ((instr_desc
+                   (MAdtOp (MAdtGet 0)
+                    ((immediate_desc (MImmBinding (MLocalBind 17 Managed)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MStore
+               (((MLocalBind 19 Managed)
+                 ((instr_desc
+                   (MAdtOp (MAdtGet 1)
+                    ((immediate_desc (MImmBinding (MLocalBind 17 Managed)))
+                     (immediate_analyses ((last_usage Last))))))))))))
+            ((instr_desc
+              (MStore
+               (((MLocalBind 4 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MAdtOp MAdtGetTag
+                    ((immediate_desc (MImmBinding (MLocalBind 19 Managed)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MStore
+               (((MLocalBind 5 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MPrim2 Is
+                    ((immediate_desc
+                      (MImmBinding (MLocalBind 4 (Unmanaged WasmI32))))
+                     (immediate_analyses ((last_usage Unknown))))
+                    ((immediate_desc (MImmConst (MConstI32 0)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MCleanup
+               (((instr_desc
+                  (MIf
+                   ((immediate_desc
+                     (MImmBinding (MLocalBind 5 (Unmanaged WasmI32))))
+                    (immediate_analyses ((last_usage Last))))
+                   (((instr_desc
+                      (MStore
+                       (((MLocalBind 20 Managed)
+                         ((instr_desc
+                           (MAdtOp (MAdtGet 0)
+                            ((immediate_desc
+                              (MImmBinding (MLocalBind 19 Managed)))
+                             (immediate_analyses ((last_usage Unknown))))))))))))
+                    ((instr_desc
+                      (MStore
+                       (((MLocalBind 21 Managed)
+                         ((instr_desc
+                           (MAdtOp (MAdtGet 1)
+                            ((immediate_desc
+                              (MImmBinding (MLocalBind 19 Managed)))
+                             (immediate_analyses ((last_usage Last))))))))))))
+                    ((instr_desc
+                      (MStore
+                       (((MLocalBind 7 (Unmanaged WasmI32))
+                         ((instr_desc
+                           (MAdtOp MAdtGetTag
+                            ((immediate_desc
+                              (MImmBinding (MLocalBind 21 Managed)))
+                             (immediate_analyses ((last_usage Unknown))))))))))))
+                    ((instr_desc
+                      (MStore
+                       (((MLocalBind 8 (Unmanaged WasmI32))
+                         ((instr_desc
+                           (MPrim2 Is
+                            ((immediate_desc
+                              (MImmBinding
+                               (MLocalBind 7 (Unmanaged WasmI32))))
+                             (immediate_analyses ((last_usage Unknown))))
+                            ((immediate_desc (MImmConst (MConstI32 0)))
+                             (immediate_analyses ((last_usage Unknown))))))))))))
+                    ((instr_desc
+                      (MCleanup
+                       (((instr_desc
+                          (MIf
+                           ((immediate_desc
+                             (MImmBinding (MLocalBind 8 (Unmanaged WasmI32))))
+                            (immediate_analyses ((last_usage Last))))
+                           (((instr_desc
+                              (MStore
+                               (((MLocalBind 22 Managed)
+                                 ((instr_desc
+                                   (MAdtOp (MAdtGet 0)
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 21 Managed)))
+                                     (immediate_analyses
+                                      ((last_usage Unknown))))))))))))
+                            ((instr_desc
+                              (MStore
+                               (((MLocalBind 23 Managed)
+                                 ((instr_desc
+                                   (MAdtOp (MAdtGet 1)
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 21 Managed)))
+                                     (immediate_analyses ((last_usage Last))))))))))))
+                            ((instr_desc
+                              (MStore
+                               (((MLocalBind 10 (Unmanaged WasmI32))
+                                 ((instr_desc
+                                   (MAdtOp MAdtGetTag
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 23 Managed)))
+                                     (immediate_analyses ((last_usage Last))))))))))))
+                            ((instr_desc
+                              (MCleanup ()
+                               (((immediate_desc
+                                  (MImmBinding (MLocalBind 23 Managed)))
+                                 (immediate_analyses ((last_usage Unknown))))))))
+                            ((instr_desc
+                              (MStore
+                               (((MLocalBind 11 (Unmanaged WasmI32))
+                                 ((instr_desc
+                                   (MPrim2 Is
+                                    ((immediate_desc
+                                      (MImmBinding
+                                       (MLocalBind 10 (Unmanaged WasmI32))))
+                                     (immediate_analyses ((last_usage Last))))
+                                    ((immediate_desc
+                                      (MImmConst (MConstI32 1)))
+                                     (immediate_analyses
+                                      ((last_usage Unknown))))))))))))
+                            ((instr_desc
+                              (MCleanup
+                               (((instr_desc
+                                  (MIf
+                                   ((immediate_desc
+                                     (MImmBinding
+                                      (MLocalBind 11 (Unmanaged WasmI32))))
+                                    (immediate_analyses ((last_usage Last))))
+                                   (((instr_desc
+                                      (MDrop
+                                       ((instr_desc
+                                         (MSet (MLocalBind 12 Managed)
+                                          ((instr_desc
+                                            (MImmediate
+                                             ((immediate_desc
+                                               (MIncRef
+                                                ((immediate_desc
+                                                  (MImmBinding
+                                                   (MLocalBind 16 Managed)))
+                                                 (immediate_analyses
+                                                  ((last_usage Unknown))))))
+                                              (immediate_analyses
+                                               ((last_usage Unknown)))))))))))))
+                                    ((instr_desc
+                                      (MDrop
+                                       ((instr_desc
+                                         (MSet (MLocalBind 13 Managed)
+                                          ((instr_desc
+                                            (MImmediate
+                                             ((immediate_desc
+                                               (MIncRef
+                                                ((immediate_desc
+                                                  (MImmBinding
+                                                   (MLocalBind 18 Managed)))
+                                                 (immediate_analyses
+                                                  ((last_usage Unknown))))))
+                                              (immediate_analyses
+                                               ((last_usage Unknown)))))))))))))
+                                    ((instr_desc
+                                      (MDrop
+                                       ((instr_desc
+                                         (MSet (MLocalBind 14 Managed)
+                                          ((instr_desc
+                                            (MImmediate
+                                             ((immediate_desc
+                                               (MIncRef
+                                                ((immediate_desc
+                                                  (MImmBinding
+                                                   (MLocalBind 20 Managed)))
+                                                 (immediate_analyses
+                                                  ((last_usage Unknown))))))
+                                              (immediate_analyses
+                                               ((last_usage Unknown)))))))))))))
+                                    ((instr_desc
+                                      (MDrop
+                                       ((instr_desc
+                                         (MSet (MLocalBind 15 Managed)
+                                          ((instr_desc
+                                            (MImmediate
+                                             ((immediate_desc
+                                               (MIncRef
+                                                ((immediate_desc
+                                                  (MImmBinding
+                                                   (MLocalBind 22 Managed)))
+                                                 (immediate_analyses
+                                                  ((last_usage Last))))))
+                                              (immediate_analyses
+                                               ((last_usage Unknown)))))))))))))
+                                    ((instr_desc
+                                      (MImmediate
+                                       ((immediate_desc
+                                         (MImmConst (MConstI32 3)))
+                                        (immediate_analyses
+                                         ((last_usage Unknown))))))))
+                                   (((instr_desc
+                                      (MImmediate
+                                       ((immediate_desc
+                                         (MImmConst (MConstI32 4)))
+                                        (immediate_analyses
+                                         ((last_usage Unknown))))))))))))
+                               (((immediate_desc
+                                  (MImmBinding (MLocalBind 22 Managed)))
+                                 (immediate_analyses ((last_usage Unknown)))))))))
+                           (((instr_desc
+                              (MStore
+                               (((MLocalBind 9 (Unmanaged WasmI32))
+                                 ((instr_desc
+                                   (MPrim2 Is
+                                    ((immediate_desc
+                                      (MImmBinding
+                                       (MLocalBind 7 (Unmanaged WasmI32))))
+                                     (immediate_analyses ((last_usage Last))))
+                                    ((immediate_desc
+                                      (MImmConst (MConstI32 1)))
+                                     (immediate_analyses
+                                      ((last_usage Unknown))))))))))))
+                            ((instr_desc
+                              (MIf
+                               ((immediate_desc
+                                 (MImmBinding
+                                  (MLocalBind 9 (Unmanaged WasmI32))))
+                                (immediate_analyses ((last_usage Last))))
+                               (((instr_desc
+                                  (MDrop
+                                   ((instr_desc
+                                     (MSet (MLocalBind 9 Managed)
+                                      ((instr_desc
+                                        (MImmediate
+                                         ((immediate_desc
+                                           (MIncRef
+                                            ((immediate_desc
+                                              (MImmBinding
+                                               (MLocalBind 16 Managed)))
+                                             (immediate_analyses
+                                              ((last_usage Unknown))))))
+                                          (immediate_analyses
+                                           ((last_usage Unknown)))))))))))))
+                                ((instr_desc
+                                  (MDrop
+                                   ((instr_desc
+                                     (MSet (MLocalBind 10 Managed)
+                                      ((instr_desc
+                                        (MImmediate
+                                         ((immediate_desc
+                                           (MIncRef
+                                            ((immediate_desc
+                                              (MImmBinding
+                                               (MLocalBind 18 Managed)))
+                                             (immediate_analyses
+                                              ((last_usage Unknown))))))
+                                          (immediate_analyses
+                                           ((last_usage Unknown)))))))))))))
+                                ((instr_desc
+                                  (MDrop
+                                   ((instr_desc
+                                     (MSet (MLocalBind 11 Managed)
+                                      ((instr_desc
+                                        (MImmediate
+                                         ((immediate_desc
+                                           (MIncRef
+                                            ((immediate_desc
+                                              (MImmBinding
+                                               (MLocalBind 20 Managed)))
+                                             (immediate_analyses
+                                              ((last_usage Last))))))
+                                          (immediate_analyses
+                                           ((last_usage Unknown)))))))))))))
+                                ((instr_desc
+                                  (MImmediate
+                                   ((immediate_desc
+                                     (MImmConst (MConstI32 2)))
+                                    (immediate_analyses
+                                     ((last_usage Unknown))))))))
+                               (((instr_desc
+                                  (MImmediate
+                                   ((immediate_desc
+                                     (MImmConst (MConstI32 4)))
+                                    (immediate_analyses
+                                     ((last_usage Unknown))))))))))))))))
+                       (((immediate_desc
+                          (MImmBinding (MLocalBind 21 Managed)))
+                         (immediate_analyses ((last_usage Unknown))))
+                        ((immediate_desc
+                          (MImmBinding (MLocalBind 20 Managed)))
+                         (immediate_analyses ((last_usage Unknown)))))))))
+                   (((instr_desc
+                      (MStore
+                       (((MLocalBind 6 (Unmanaged WasmI32))
+                         ((instr_desc
+                           (MPrim2 Is
+                            ((immediate_desc
+                              (MImmBinding
+                               (MLocalBind 4 (Unmanaged WasmI32))))
+                             (immediate_analyses ((last_usage Last))))
+                            ((immediate_desc (MImmConst (MConstI32 1)))
+                             (immediate_analyses ((last_usage Unknown))))))))))))
+                    ((instr_desc
+                      (MIf
+                       ((immediate_desc
+                         (MImmBinding (MLocalBind 6 (Unmanaged WasmI32))))
+                        (immediate_analyses ((last_usage Last))))
+                       (((instr_desc
+                          (MDrop
+                           ((instr_desc
+                             (MSet (MLocalBind 7 Managed)
+                              ((instr_desc
+                                (MImmediate
+                                 ((immediate_desc
+                                   (MIncRef
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 16 Managed)))
+                                     (immediate_analyses
+                                      ((last_usage Unknown))))))
+                                  (immediate_analyses ((last_usage Unknown)))))))))))))
+                        ((instr_desc
+                          (MDrop
+                           ((instr_desc
+                             (MSet (MLocalBind 8 Managed)
+                              ((instr_desc
+                                (MImmediate
+                                 ((immediate_desc
+                                   (MIncRef
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 18 Managed)))
+                                     (immediate_analyses ((last_usage Last))))))
+                                  (immediate_analyses ((last_usage Unknown)))))))))))))
+                        ((instr_desc
+                          (MImmediate
+                           ((immediate_desc (MImmConst (MConstI32 1)))
+                            (immediate_analyses ((last_usage Unknown))))))))
+                       (((instr_desc
+                          (MImmediate
+                           ((immediate_desc (MImmConst (MConstI32 4)))
+                            (immediate_analyses ((last_usage Unknown))))))))))))))))
+               (((immediate_desc (MImmBinding (MLocalBind 19 Managed)))
+                 (immediate_analyses ((last_usage Unknown))))
+                ((immediate_desc (MImmBinding (MLocalBind 18 Managed)))
+                 (immediate_analyses ((last_usage Unknown)))))))))
+           (((instr_desc
+              (MStore
+               (((MLocalBind 3 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MPrim2 Is
+                    ((immediate_desc
+                      (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+                     (immediate_analyses ((last_usage Last))))
+                    ((immediate_desc (MImmConst (MConstI32 1)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MIf
+               ((immediate_desc
+                 (MImmBinding (MLocalBind 3 (Unmanaged WasmI32))))
+                (immediate_analyses ((last_usage Last))))
+               (((instr_desc
+                  (MDrop
+                   ((instr_desc
+                     (MSet (MLocalBind 6 Managed)
+                      ((instr_desc
+                        (MImmediate
+                         ((immediate_desc
+                           (MIncRef
+                            ((immediate_desc
+                              (MImmBinding (MLocalBind 16 Managed)))
+                             (immediate_analyses ((last_usage Last))))))
+                          (immediate_analyses ((last_usage Unknown)))))))))))))
+                ((instr_desc
+                  (MImmediate
+                   ((immediate_desc (MImmConst (MConstI32 0)))
+                    (immediate_analyses ((last_usage Unknown))))))))
+               (((instr_desc
+                  (MImmediate
+                   ((immediate_desc MImmTrap)
+                    (immediate_analyses ((last_usage Unknown))))))))))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 17 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 16 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MCleanup
+      (((instr_desc
+         (MSwitch
+          ((immediate_desc (MImmBinding (MLocalBind 2 (Unmanaged WasmI32))))
+           (immediate_analyses ((last_usage Last))))
+          ((0
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc
+                  (MIncRef
+                   ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+                    (immediate_analyses ((last_usage Last))))))
+                 (immediate_analyses ((last_usage Unknown)))))))))
+           (1
+            (((instr_desc
+               (MCleanup ()
+                (((immediate_desc (MImmBinding (MLocalBind 15 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 14 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 13 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 12 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 11 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 10 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 9 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))))))
+             ((instr_desc
+               (MReturnCallKnown (func +_1159)
+                (closure
+                 ((immediate_desc
+                   (MIncRef
+                    ((immediate_desc
+                      (MImmBinding (MGlobalBind +_1159 Managed)))
+                     (immediate_analyses ((last_usage TailCallLast))))))
+                  (immediate_analyses ((last_usage Unknown)))))
+                (func_type ((Managed Managed) (Managed)))
+                (args
+                 (((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+                   (immediate_analyses ((last_usage Last))))
+                  ((immediate_desc (MImmBinding (MLocalBind 8 Managed)))
+                   (immediate_analyses ((last_usage Last)))))))))))
+           (2
+            (((instr_desc
+               (MStore
+                (((MLocalBind 24 Managed)
+                  ((instr_desc
+                    (MCallKnown (func +_1159)
+                     (closure
+                      ((immediate_desc
+                        (MIncRef
+                         ((immediate_desc
+                           (MImmBinding (MGlobalBind +_1159 Managed)))
+                          (immediate_analyses ((last_usage Unknown))))))
+                       (immediate_analyses ((last_usage Unknown)))))
+                     (func_type ((Managed Managed) (Managed)))
+                     (args
+                      (((immediate_desc
+                         (MIncRef
+                          ((immediate_desc
+                            (MImmBinding (MLocalBind 9 Managed)))
+                           (immediate_analyses ((last_usage Last))))))
+                        (immediate_analyses ((last_usage Unknown))))
+                       ((immediate_desc
+                         (MIncRef
+                          ((immediate_desc
+                            (MImmBinding (MLocalBind 10 Managed)))
+                           (immediate_analyses ((last_usage Last))))))
+                        (immediate_analyses ((last_usage Unknown))))))))))))))
+             ((instr_desc
+               (MCleanup ()
+                (((immediate_desc (MImmBinding (MLocalBind 15 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 14 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 13 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 12 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 10 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 9 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 8 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))))))
+             ((instr_desc
+               (MReturnCallKnown (func +_1159)
+                (closure
+                 ((immediate_desc
+                   (MIncRef
+                    ((immediate_desc
+                      (MImmBinding (MGlobalBind +_1159 Managed)))
+                     (immediate_analyses ((last_usage TailCallLast))))))
+                  (immediate_analyses ((last_usage Unknown)))))
+                (func_type ((Managed Managed) (Managed)))
+                (args
+                 (((immediate_desc (MImmBinding (MLocalBind 24 Managed)))
+                   (immediate_analyses ((last_usage Last))))
+                  ((immediate_desc (MImmBinding (MLocalBind 11 Managed)))
+                   (immediate_analyses ((last_usage Last)))))))))))
+           (3
+            (((instr_desc
+               (MStore
+                (((MLocalBind 25 Managed)
+                  ((instr_desc
+                    (MCallKnown (func +_1159)
+                     (closure
+                      ((immediate_desc
+                        (MIncRef
+                         ((immediate_desc
+                           (MImmBinding (MGlobalBind +_1159 Managed)))
+                          (immediate_analyses ((last_usage Unknown))))))
+                       (immediate_analyses ((last_usage Unknown)))))
+                     (func_type ((Managed Managed) (Managed)))
+                     (args
+                      (((immediate_desc
+                         (MIncRef
+                          ((immediate_desc
+                            (MImmBinding (MLocalBind 12 Managed)))
+                           (immediate_analyses ((last_usage Last))))))
+                        (immediate_analyses ((last_usage Unknown))))
+                       ((immediate_desc
+                         (MIncRef
+                          ((immediate_desc
+                            (MImmBinding (MLocalBind 13 Managed)))
+                           (immediate_analyses ((last_usage Last))))))
+                        (immediate_analyses ((last_usage Unknown))))))))))))))
+             ((instr_desc
+               (MStore
+                (((MLocalBind 26 Managed)
+                  ((instr_desc
+                    (MCallKnown (func +_1159)
+                     (closure
+                      ((immediate_desc
+                        (MIncRef
+                         ((immediate_desc
+                           (MImmBinding (MGlobalBind +_1159 Managed)))
+                          (immediate_analyses ((last_usage Unknown))))))
+                       (immediate_analyses ((last_usage Unknown)))))
+                     (func_type ((Managed Managed) (Managed)))
+                     (args
+                      (((immediate_desc
+                         (MImmBinding (MLocalBind 25 Managed)))
+                        (immediate_analyses ((last_usage Last))))
+                       ((immediate_desc
+                         (MIncRef
+                          ((immediate_desc
+                            (MImmBinding (MLocalBind 14 Managed)))
+                           (immediate_analyses ((last_usage Last))))))
+                        (immediate_analyses ((last_usage Unknown))))))))))))))
+             ((instr_desc
+               (MCleanup ()
+                (((immediate_desc (MImmBinding (MLocalBind 14 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 13 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 12 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 11 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 10 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 9 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 8 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))
+                 ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+                  (immediate_analyses ((last_usage Unknown))))))))
+             ((instr_desc
+               (MReturnCallKnown (func +_1159)
+                (closure
+                 ((immediate_desc
+                   (MIncRef
+                    ((immediate_desc
+                      (MImmBinding (MGlobalBind +_1159 Managed)))
+                     (immediate_analyses ((last_usage Last))))))
+                  (immediate_analyses ((last_usage Unknown)))))
+                (func_type ((Managed Managed) (Managed)))
+                (args
+                 (((immediate_desc (MImmBinding (MLocalBind 26 Managed)))
+                   (immediate_analyses ((last_usage Last))))
+                  ((immediate_desc (MImmBinding (MLocalBind 15 Managed)))
+                   (immediate_analyses ((last_usage Last)))))))))))
+           (4
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc (MImmConst (MConstI32 999)))
+                 (immediate_analyses ((last_usage Unknown))))))))))
+          (((instr_desc
+             (MImmediate
+              ((immediate_desc MImmTrap)
+               (immediate_analyses ((last_usage Unknown))))))))
+          Managed))))
+      (((immediate_desc (MImmBinding (MLocalBind 15 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 14 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 13 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 12 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 11 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 10 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 9 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 8 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 27) (stack_size_i32 12) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1164) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/pattern_matching.f25e0163.0.snapshot b/compiler/test/__snapshots__/pattern_matching.f25e0163.0.snapshot
index efc203dd1..01893af2e 100644
--- a/compiler/test/__snapshots__/pattern_matching.f25e0163.0.snapshot
+++ b/compiler/test/__snapshots__/pattern_matching.f25e0163.0.snapshot
@@ -1,579 +1,339 @@
 pattern matching › or_match_3
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (local $13 i32)
-  (local $14 i32)
-  (local $15 i32)
-  (local $16 i32)
-  (local $17 i32)
-  (local $18 i32)
-  (local $19 i32)
-  (local $20 i32)
-  (local $21 i32)
-  (local $22 i32)
-  (local $23 i32)
-  (local $24 i32)
-  (block $compile_block.65 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_adt.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_adt.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $6)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.8
-    (local.set $8
-     (i32.const 0)
-    )
-    (block $do_backpatches.7
-    )
-   )
-   (block $compile_store.10
-    (local.set $14
-     (i32.load offset=12
-      (local.get $7)
-     )
-    )
-    (block $do_backpatches.9
-    )
-   )
-   (block $compile_store.12
-    (local.set $15
-     (i32.or
-      (i32.shl
-       (i32.eq
-        (local.get $14)
-        (i32.const 1)
-       )
-       (i32.const 31)
-      )
-      (i32.const 2147483646)
-     )
-    )
-    (block $do_backpatches.11
-    )
-   )
-   (block $compile_store.58
-    (local.set $16
-     (if (result i32)
-      (i32.shr_u
-       (local.get $15)
-       (i32.const 31)
-      )
-      (block $compile_block.55 (result i32)
-       (block $compile_store.14
-        (local.set $9
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (i32.load offset=20
-           (local.get $7)
-          )
-         )
-        )
-        (block $do_backpatches.13
-        )
-       )
-       (block $compile_store.16
-        (local.set $10
-         (call $incRef_0
-          (global.get $GRAIN$EXPORT$incRef_0)
-          (i32.load offset=24
-           (local.get $7)
-          )
-         )
-        )
-        (block $do_backpatches.15
-        )
-       )
-       (block $compile_store.18
-        (local.set $17
-         (i32.load offset=12
-          (local.get $10)
-         )
-        )
-        (block $do_backpatches.17
-        )
-       )
-       (block $compile_store.20
-        (local.set $18
-         (i32.or
-          (i32.shl
-           (i32.eq
-            (local.get $17)
-            (i32.const 1)
-           )
-           (i32.const 31)
-          )
-          (i32.const 2147483646)
-         )
-        )
-        (block $do_backpatches.19
-        )
-       )
-       (tuple.extract 0
-        (tuple.make
-         (if (result i32)
-          (i32.shr_u
-           (local.get $18)
-           (i32.const 31)
-          )
-          (block $compile_block.48 (result i32)
-           (block $compile_store.23
-            (local.set $11
-             (call $incRef_0
-              (global.get $GRAIN$EXPORT$incRef_0)
-              (i32.load offset=20
-               (local.get $10)
-              )
-             )
-            )
-            (block $do_backpatches.22
-            )
-           )
-           (block $compile_store.25
-            (local.set $12
-             (call $incRef_0
-              (global.get $GRAIN$EXPORT$incRef_0)
-              (i32.load offset=24
-               (local.get $10)
-              )
-             )
-            )
-            (block $do_backpatches.24
-            )
-           )
-           (block $compile_store.27
-            (local.set $20
-             (i32.load offset=12
-              (local.get $12)
-             )
-            )
-            (block $do_backpatches.26
-            )
-           )
-           (block $compile_store.29
-            (local.set $21
-             (i32.or
-              (i32.shl
-               (i32.eq
-                (local.get $20)
-                (i32.const 1)
-               )
-               (i32.const 31)
-              )
-              (i32.const 2147483646)
-             )
-            )
-            (block $do_backpatches.28
-            )
-           )
-           (tuple.extract 0
-            (tuple.make
-             (if (result i32)
-              (i32.shr_u
-               (local.get $21)
-               (i32.const 31)
-              )
-              (block $compile_block.41 (result i32)
-               (block $compile_store.32
-                (local.set $13
-                 (call $incRef_0
-                  (global.get $GRAIN$EXPORT$incRef_0)
-                  (i32.load offset=24
-                   (local.get $12)
-                  )
-                 )
-                )
-                (block $do_backpatches.31
-                )
-               )
-               (block $compile_store.34
-                (local.set $23
-                 (i32.load offset=12
-                  (local.get $13)
-                 )
-                )
-                (block $do_backpatches.33
-                )
-               )
-               (block $cleanup.35
-                (drop
-                 (call $decRef_0
-                  (global.get $GRAIN$EXPORT$decRef_0)
-                  (local.get $13)
-                 )
-                )
-               )
-               (block $compile_store.37
-                (local.set $24
-                 (i32.or
-                  (i32.shl
-                   (i32.eq
-                    (local.get $23)
-                    (i32.const 3)
-                   )
-                   (i32.const 31)
-                  )
-                  (i32.const 2147483646)
-                 )
-                )
-                (block $do_backpatches.36
-                )
-               )
-               (if (result i32)
-                (i32.shr_u
-                 (local.get $24)
-                 (i32.const 31)
-                )
-                (block $compile_block.39 (result i32)
-                 (drop
-                  (block $compile_set.38 (result i32)
-                   (local.set $8
-                    (tuple.extract 0
-                     (tuple.make
-                      (call $incRef_0
-                       (global.get $GRAIN$EXPORT$incRef_0)
-                       (call $incRef_0
-                        (global.get $GRAIN$EXPORT$incRef_0)
-                        (local.get $11)
-                       )
-                      )
-                      (call $decRef_0
-                       (global.get $GRAIN$EXPORT$decRef_0)
-                       (local.get $8)
-                      )
-                     )
-                    )
-                   )
-                   (i32.const 1879048190)
-                  )
-                 )
-                 (i32.const 1)
-                )
-                (block $compile_block.40 (result i32)
-                 (i32.const 3)
-                )
-               )
-              )
-              (block $compile_block.47 (result i32)
-               (block $compile_store.43
-                (local.set $22
-                 (i32.or
-                  (i32.shl
-                   (i32.eq
-                    (local.get $20)
-                    (i32.const 3)
-                   )
-                   (i32.const 31)
-                  )
-                  (i32.const 2147483646)
-                 )
-                )
-                (block $do_backpatches.42
-                )
-               )
-               (if (result i32)
-                (i32.shr_u
-                 (local.get $22)
-                 (i32.const 31)
-                )
-                (block $compile_block.45 (result i32)
-                 (drop
-                  (block $compile_set.44 (result i32)
-                   (local.set $8
-                    (tuple.extract 0
-                     (tuple.make
-                      (call $incRef_0
-                       (global.get $GRAIN$EXPORT$incRef_0)
-                       (call $incRef_0
-                        (global.get $GRAIN$EXPORT$incRef_0)
-                        (local.get $9)
-                       )
-                      )
-                      (call $decRef_0
-                       (global.get $GRAIN$EXPORT$decRef_0)
-                       (local.get $8)
-                      )
-                     )
-                    )
-                   )
-                   (i32.const 1879048190)
-                  )
-                 )
-                 (i32.const 1)
-                )
-                (block $compile_block.46 (result i32)
-                 (i32.const 3)
-                )
-               )
-              )
-             )
-             (block $cleanup.30 (result i32)
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $11)
-               )
-              )
-              (drop
-               (call $decRef_0
-                (global.get $GRAIN$EXPORT$decRef_0)
-                (local.get $12)
-               )
-              )
-              (i32.const 1879048190)
-             )
-            )
-           )
-          )
-          (block $compile_block.54 (result i32)
-           (block $compile_store.50
-            (local.set $19
-             (i32.or
-              (i32.shl
-               (i32.eq
-                (local.get $17)
-                (i32.const 3)
-               )
-               (i32.const 31)
-              )
-              (i32.const 2147483646)
-             )
-            )
-            (block $do_backpatches.49
-            )
-           )
-           (if (result i32)
-            (i32.shr_u
-             (local.get $19)
-             (i32.const 31)
-            )
-            (block $compile_block.52 (result i32)
-             (drop
-              (block $compile_set.51 (result i32)
-               (local.set $8
-                (tuple.extract 0
-                 (tuple.make
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (call $incRef_0
-                    (global.get $GRAIN$EXPORT$incRef_0)
-                    (local.get $9)
-                   )
-                  )
-                  (call $decRef_0
-                   (global.get $GRAIN$EXPORT$decRef_0)
-                   (local.get $8)
-                  )
-                 )
-                )
-               )
-               (i32.const 1879048190)
-              )
-             )
-             (i32.const 1)
-            )
-            (block $compile_block.53 (result i32)
-             (i32.const 3)
-            )
-           )
-          )
-         )
-         (block $cleanup.21 (result i32)
-          (drop
-           (call $decRef_0
-            (global.get $GRAIN$EXPORT$decRef_0)
-            (local.get $9)
-           )
-          )
-          (drop
-           (call $decRef_0
-            (global.get $GRAIN$EXPORT$decRef_0)
-            (local.get $10)
-           )
-          )
-          (i32.const 1879048190)
-         )
-        )
-       )
-      )
-      (block $compile_block.56 (result i32)
-       (i32.const 3)
-      )
-     )
-    )
-    (block $do_backpatches.57
-    )
-   )
-   (block $cleanup.59
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $7)
-     )
-    )
-   )
-   (tuple.extract 0
-    (tuple.make
-     (block $switch.61_outer (result i32)
-      (block $switch.61_branch_0 (result i32)
-       (drop
-        (block $switch.61_branch_1 (result i32)
-         (drop
-          (block $switch.61_branch_2 (result i32)
-           (drop
-            (block $switch.61_default (result i32)
-             (br_table $switch.61_branch_1 $switch.61_branch_2 $switch.61_default $switch.61_default
-              (i32.const 0)
-              (i32.shr_s
-               (local.get $16)
-               (i32.const 1)
-              )
-             )
-            )
-           )
-           (br $switch.61_outer
-            (block $compile_block.64 (result i32)
-             (unreachable)
-            )
-           )
-          )
-         )
-         (br $switch.61_outer
-          (block $compile_block.63 (result i32)
-           (i32.const 2147483646)
-          )
-         )
-        )
-       )
-       (br $switch.61_outer
-        (block $compile_block.62 (result i32)
-         (i32.const -2)
-        )
-       )
-      )
-     )
-     (block $cleanup.60 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $8)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 5)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MAdtOp MAdtGetTag
+           ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 (Unmanaged WasmI32))
+        ((instr_desc
+          (MPrim2 Is
+           ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Last))))
+           ((immediate_desc (MImmConst (MConstI32 0)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 (Unmanaged WasmI32))
+        ((instr_desc
+          (MIf
+           ((immediate_desc (MImmBinding (MLocalBind 1 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Last))))
+           (((instr_desc
+              (MStore
+               (((MLocalBind 3 Managed)
+                 ((instr_desc
+                   (MAdtOp (MAdtGet 0)
+                    ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MStore
+               (((MLocalBind 4 Managed)
+                 ((instr_desc
+                   (MAdtOp (MAdtGet 1)
+                    ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+                     (immediate_analyses ((last_usage Last))))))))))))
+            ((instr_desc
+              (MStore
+               (((MLocalBind 3 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MAdtOp MAdtGetTag
+                    ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MStore
+               (((MLocalBind 4 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MPrim2 Is
+                    ((immediate_desc
+                      (MImmBinding (MLocalBind 3 (Unmanaged WasmI32))))
+                     (immediate_analyses ((last_usage Unknown))))
+                    ((immediate_desc (MImmConst (MConstI32 0)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MCleanup
+               (((instr_desc
+                  (MIf
+                   ((immediate_desc
+                     (MImmBinding (MLocalBind 4 (Unmanaged WasmI32))))
+                    (immediate_analyses ((last_usage Last))))
+                   (((instr_desc
+                      (MStore
+                       (((MLocalBind 5 Managed)
+                         ((instr_desc
+                           (MAdtOp (MAdtGet 0)
+                            ((immediate_desc
+                              (MImmBinding (MLocalBind 4 Managed)))
+                             (immediate_analyses ((last_usage Unknown))))))))))))
+                    ((instr_desc
+                      (MStore
+                       (((MLocalBind 6 Managed)
+                         ((instr_desc
+                           (MAdtOp (MAdtGet 1)
+                            ((immediate_desc
+                              (MImmBinding (MLocalBind 4 Managed)))
+                             (immediate_analyses ((last_usage Last))))))))))))
+                    ((instr_desc
+                      (MStore
+                       (((MLocalBind 6 (Unmanaged WasmI32))
+                         ((instr_desc
+                           (MAdtOp MAdtGetTag
+                            ((immediate_desc
+                              (MImmBinding (MLocalBind 6 Managed)))
+                             (immediate_analyses ((last_usage Unknown))))))))))))
+                    ((instr_desc
+                      (MStore
+                       (((MLocalBind 7 (Unmanaged WasmI32))
+                         ((instr_desc
+                           (MPrim2 Is
+                            ((immediate_desc
+                              (MImmBinding
+                               (MLocalBind 6 (Unmanaged WasmI32))))
+                             (immediate_analyses ((last_usage Unknown))))
+                            ((immediate_desc (MImmConst (MConstI32 0)))
+                             (immediate_analyses ((last_usage Unknown))))))))))))
+                    ((instr_desc
+                      (MCleanup
+                       (((instr_desc
+                          (MIf
+                           ((immediate_desc
+                             (MImmBinding (MLocalBind 7 (Unmanaged WasmI32))))
+                            (immediate_analyses ((last_usage Last))))
+                           (((instr_desc
+                              (MStore
+                               (((MLocalBind 7 Managed)
+                                 ((instr_desc
+                                   (MAdtOp (MAdtGet 1)
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 6 Managed)))
+                                     (immediate_analyses ((last_usage Last))))))))))))
+                            ((instr_desc
+                              (MStore
+                               (((MLocalBind 9 (Unmanaged WasmI32))
+                                 ((instr_desc
+                                   (MAdtOp MAdtGetTag
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 7 Managed)))
+                                     (immediate_analyses ((last_usage Last))))))))))))
+                            ((instr_desc
+                              (MCleanup ()
+                               (((immediate_desc
+                                  (MImmBinding (MLocalBind 7 Managed)))
+                                 (immediate_analyses ((last_usage Unknown))))))))
+                            ((instr_desc
+                              (MStore
+                               (((MLocalBind 10 (Unmanaged WasmI32))
+                                 ((instr_desc
+                                   (MPrim2 Is
+                                    ((immediate_desc
+                                      (MImmBinding
+                                       (MLocalBind 9 (Unmanaged WasmI32))))
+                                     (immediate_analyses ((last_usage Last))))
+                                    ((immediate_desc
+                                      (MImmConst (MConstI32 1)))
+                                     (immediate_analyses
+                                      ((last_usage Unknown))))))))))))
+                            ((instr_desc
+                              (MIf
+                               ((immediate_desc
+                                 (MImmBinding
+                                  (MLocalBind 10 (Unmanaged WasmI32))))
+                                (immediate_analyses ((last_usage Last))))
+                               (((instr_desc
+                                  (MDrop
+                                   ((instr_desc
+                                     (MSet (MLocalBind 2 Managed)
+                                      ((instr_desc
+                                        (MImmediate
+                                         ((immediate_desc
+                                           (MIncRef
+                                            ((immediate_desc
+                                              (MImmBinding
+                                               (MLocalBind 5 Managed)))
+                                             (immediate_analyses
+                                              ((last_usage Last))))))
+                                          (immediate_analyses
+                                           ((last_usage Unknown)))))))))))))
+                                ((instr_desc
+                                  (MImmediate
+                                   ((immediate_desc
+                                     (MImmConst (MConstI32 0)))
+                                    (immediate_analyses
+                                     ((last_usage Unknown))))))))
+                               (((instr_desc
+                                  (MImmediate
+                                   ((immediate_desc
+                                     (MImmConst (MConstI32 1)))
+                                    (immediate_analyses
+                                     ((last_usage Unknown))))))))))))
+                           (((instr_desc
+                              (MStore
+                               (((MLocalBind 8 (Unmanaged WasmI32))
+                                 ((instr_desc
+                                   (MPrim2 Is
+                                    ((immediate_desc
+                                      (MImmBinding
+                                       (MLocalBind 6 (Unmanaged WasmI32))))
+                                     (immediate_analyses ((last_usage Last))))
+                                    ((immediate_desc
+                                      (MImmConst (MConstI32 1)))
+                                     (immediate_analyses
+                                      ((last_usage Unknown))))))))))))
+                            ((instr_desc
+                              (MIf
+                               ((immediate_desc
+                                 (MImmBinding
+                                  (MLocalBind 8 (Unmanaged WasmI32))))
+                                (immediate_analyses ((last_usage Last))))
+                               (((instr_desc
+                                  (MDrop
+                                   ((instr_desc
+                                     (MSet (MLocalBind 2 Managed)
+                                      ((instr_desc
+                                        (MImmediate
+                                         ((immediate_desc
+                                           (MIncRef
+                                            ((immediate_desc
+                                              (MImmBinding
+                                               (MLocalBind 3 Managed)))
+                                             (immediate_analyses
+                                              ((last_usage Unknown))))))
+                                          (immediate_analyses
+                                           ((last_usage Unknown)))))))))))))
+                                ((instr_desc
+                                  (MImmediate
+                                   ((immediate_desc
+                                     (MImmConst (MConstI32 0)))
+                                    (immediate_analyses
+                                     ((last_usage Unknown))))))))
+                               (((instr_desc
+                                  (MImmediate
+                                   ((immediate_desc
+                                     (MImmConst (MConstI32 1)))
+                                    (immediate_analyses
+                                     ((last_usage Unknown))))))))))))))))
+                       (((immediate_desc
+                          (MImmBinding (MLocalBind 6 Managed)))
+                         (immediate_analyses ((last_usage Unknown))))
+                        ((immediate_desc
+                          (MImmBinding (MLocalBind 5 Managed)))
+                         (immediate_analyses ((last_usage Unknown)))))))))
+                   (((instr_desc
+                      (MStore
+                       (((MLocalBind 5 (Unmanaged WasmI32))
+                         ((instr_desc
+                           (MPrim2 Is
+                            ((immediate_desc
+                              (MImmBinding
+                               (MLocalBind 3 (Unmanaged WasmI32))))
+                             (immediate_analyses ((last_usage Last))))
+                            ((immediate_desc (MImmConst (MConstI32 1)))
+                             (immediate_analyses ((last_usage Unknown))))))))))))
+                    ((instr_desc
+                      (MIf
+                       ((immediate_desc
+                         (MImmBinding (MLocalBind 5 (Unmanaged WasmI32))))
+                        (immediate_analyses ((last_usage Last))))
+                       (((instr_desc
+                          (MDrop
+                           ((instr_desc
+                             (MSet (MLocalBind 2 Managed)
+                              ((instr_desc
+                                (MImmediate
+                                 ((immediate_desc
+                                   (MIncRef
+                                    ((immediate_desc
+                                      (MImmBinding (MLocalBind 3 Managed)))
+                                     (immediate_analyses ((last_usage Last))))))
+                                  (immediate_analyses ((last_usage Unknown)))))))))))))
+                        ((instr_desc
+                          (MImmediate
+                           ((immediate_desc (MImmConst (MConstI32 0)))
+                            (immediate_analyses ((last_usage Unknown))))))))
+                       (((instr_desc
+                          (MImmediate
+                           ((immediate_desc (MImmConst (MConstI32 1)))
+                            (immediate_analyses ((last_usage Unknown))))))))))))))))
+               (((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+                 (immediate_analyses ((last_usage Unknown))))
+                ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+                 (immediate_analyses ((last_usage Unknown)))))))))
+           (((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmConst (MConstI32 1)))
+                (immediate_analyses ((last_usage Unknown))))))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MCleanup
+      (((instr_desc
+         (MSwitch
+          ((immediate_desc (MImmBinding (MLocalBind 2 (Unmanaged WasmI32))))
+           (immediate_analyses ((last_usage Last))))
+          ((0
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+                 (immediate_analyses ((last_usage Unknown)))))))))
+           (1
+            (((instr_desc
+               (MImmediate
+                ((immediate_desc
+                  (MImmConst (MConstLiteral (MConstI32 2147483646))))
+                 (immediate_analyses ((last_usage Unknown))))))))))
+          (((instr_desc
+             (MImmediate
+              ((immediate_desc MImmTrap)
+               (immediate_analyses ((last_usage Unknown))))))))
+          (Unmanaged WasmI32)))))
+      (((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 8) (stack_size_i32 11) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1140) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/pattern_matching.f3d48b0e.0.snapshot b/compiler/test/__snapshots__/pattern_matching.f3d48b0e.0.snapshot
index a84858cc7..f01296df5 100644
--- a/compiler/test/__snapshots__/pattern_matching.f3d48b0e.0.snapshot
+++ b/compiler/test/__snapshots__/pattern_matching.f3d48b0e.0.snapshot
@@ -1,127 +1,68 @@
 pattern matching › or_match_1
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (block $compile_block.14 (result i32)
-   (block $compile_store.2
-    (local.set $6
-     (i32.or
-      (i32.shl
-       (i32.eq
-        (i32.const -2)
-        (i32.const 2147483646)
-       )
-       (i32.const 31)
-      )
-      (i32.const 2147483646)
-     )
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (block $compile_store.10
-    (local.set $7
-     (if (result i32)
-      (i32.shr_u
-       (local.get $6)
-       (i32.const 31)
-      )
-      (block $compile_block.3 (result i32)
-       (i32.const 1)
-      )
-      (block $compile_block.8 (result i32)
-       (block $compile_store.5
-        (local.set $8
-         (i32.or
-          (i32.shl
-           (i32.eq
-            (i32.const -2)
-            (i32.const -2)
-           )
-           (i32.const 31)
-          )
-          (i32.const 2147483646)
-         )
-        )
-        (block $do_backpatches.4
-        )
-       )
-       (if (result i32)
-        (i32.shr_u
-         (local.get $8)
-         (i32.const 31)
-        )
-        (block $compile_block.6 (result i32)
-         (i32.const 1)
-        )
-        (block $compile_block.7
-         (unreachable)
-        )
-       )
-      )
-     )
-    )
-    (block $do_backpatches.9
-    )
-   )
-   (block $switch.11_outer (result i32)
-    (block $switch.11_branch_0 (result i32)
-     (drop
-      (block $switch.11_branch_1 (result i32)
-       (drop
-        (block $switch.11_default (result i32)
-         (br_table $switch.11_branch_1 $switch.11_default $switch.11_default
-          (i32.const 0)
-          (i32.shr_s
-           (local.get $7)
-           (i32.const 1)
-          )
-         )
-        )
-       )
-       (br $switch.11_outer
-        (block $compile_block.13 (result i32)
-         (unreachable)
-        )
-       )
-      )
-     )
-     (br $switch.11_outer
-      (block $compile_block.12 (result i32)
-       (i32.const 7)
-      )
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MPrim2 Is
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+            (immediate_analyses ((last_usage Unknown))))
+           ((immediate_desc
+             (MImmConst (MConstLiteral (MConstI32 2147483646))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 (Unmanaged WasmI32))
+        ((instr_desc
+          (MIf
+           ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Last))))
+           (((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmConst (MConstI32 0)))
+                (immediate_analyses ((last_usage Unknown))))))))
+           (((instr_desc
+              (MStore
+               (((MLocalBind 2 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MPrim2 Is
+                    ((immediate_desc
+                      (MImmConst (MConstLiteral (MConstI32 -2))))
+                     (immediate_analyses ((last_usage Unknown))))
+                    ((immediate_desc
+                      (MImmConst (MConstLiteral (MConstI32 -2))))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MIf
+               ((immediate_desc
+                 (MImmBinding (MLocalBind 2 (Unmanaged WasmI32))))
+                (immediate_analyses ((last_usage Last))))
+               (((instr_desc
+                  (MImmediate
+                   ((immediate_desc (MImmConst (MConstI32 0)))
+                    (immediate_analyses ((last_usage Unknown))))))))
+               (((instr_desc
+                  (MImmediate
+                   ((immediate_desc MImmTrap)
+                    (immediate_analyses ((last_usage Unknown))))))))))))))))))))
+   ((instr_desc
+     (MSwitch
+      ((immediate_desc (MImmBinding (MLocalBind 1 (Unmanaged WasmI32))))
+       (immediate_analyses ((last_usage Last))))
+      ((0
+        (((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmConst (MConstI32 3)))
+             (immediate_analyses ((last_usage Unknown))))))))))
+      (((instr_desc
+         (MImmediate
+          ((immediate_desc MImmTrap)
+           (immediate_analyses ((last_usage Unknown))))))))
+      Managed)))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 3) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1118) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/pattern_matching.f6c9c89c.0.snapshot b/compiler/test/__snapshots__/pattern_matching.f6c9c89c.0.snapshot
index d8eaa83cb..906a67584 100644
--- a/compiler/test/__snapshots__/pattern_matching.f6c9c89c.0.snapshot
+++ b/compiler/test/__snapshots__/pattern_matching.f6c9c89c.0.snapshot
@@ -1,325 +1,191 @@
 pattern matching › or_match_2
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/equal.gr\" \"GRAIN$EXPORT$equal\" (global $GRAIN$EXPORT$equal_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/equal.gr\" \"equal\" (func $equal_0 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (local $13 i32)
-  (local $14 i32)
-  (block $compile_block.37 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_adt.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 24)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 501102191)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 11)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.5
-    (local.set $8
-     (i32.load offset=12
-      (local.get $6)
-     )
-    )
-    (block $do_backpatches.4
-    )
-   )
-   (block $compile_store.7
-    (local.set $9
-     (i32.or
-      (i32.shl
-       (i32.eq
-        (local.get $8)
-        (i32.const 3)
-       )
-       (i32.const 31)
-      )
-      (i32.const 2147483646)
-     )
-    )
-    (block $do_backpatches.6
-    )
-   )
-   (block $compile_store.30
-    (local.set $10
-     (if (result i32)
-      (i32.shr_u
-       (local.get $9)
-       (i32.const 31)
-      )
-      (block $compile_block.8 (result i32)
-       (i32.const 3)
-      )
-      (block $compile_block.28 (result i32)
-       (block $compile_store.10
-        (local.set $11
-         (i32.or
-          (i32.shl
-           (i32.eq
-            (local.get $8)
-            (i32.const 1)
-           )
-           (i32.const 31)
-          )
-          (i32.const 2147483646)
-         )
-        )
-        (block $do_backpatches.9
-        )
-       )
-       (if (result i32)
-        (i32.shr_u
-         (local.get $11)
-         (i32.const 31)
-        )
-        (block $compile_block.26 (result i32)
-         (block $compile_store.12
-          (local.set $7
-           (call $incRef_0
-            (global.get $GRAIN$EXPORT$incRef_0)
-            (i32.load offset=20
-             (local.get $6)
-            )
-           )
-          )
-          (block $do_backpatches.11
-          )
-         )
-         (block $compile_store.14
-          (local.set $12
-           (call $equal_0
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (global.get $GRAIN$EXPORT$equal_0)
-            )
-            (call $incRef_0
-             (global.get $GRAIN$EXPORT$incRef_0)
-             (local.get $7)
-            )
-            (i32.const 7)
-           )
-          )
-          (block $do_backpatches.13
-          )
-         )
-         (tuple.extract 0
-          (tuple.make
-           (if (result i32)
-            (i32.shr_u
-             (local.get $12)
-             (i32.const 31)
-            )
-            (block $compile_block.16 (result i32)
-             (i32.const 1)
-            )
-            (block $compile_block.25 (result i32)
-             (block $compile_store.18
-              (local.set $13
-               (call $equal_0
-                (call $incRef_0
-                 (global.get $GRAIN$EXPORT$incRef_0)
-                 (global.get $GRAIN$EXPORT$equal_0)
-                )
-                (call $incRef_0
-                 (global.get $GRAIN$EXPORT$incRef_0)
-                 (local.get $7)
-                )
-                (i32.const 9)
-               )
-              )
-              (block $do_backpatches.17
-              )
-             )
-             (if (result i32)
-              (i32.shr_u
-               (local.get $13)
-               (i32.const 31)
-              )
-              (block $compile_block.19 (result i32)
-               (i32.const 1)
-              )
-              (block $compile_block.24 (result i32)
-               (block $compile_store.21
-                (local.set $14
-                 (call $equal_0
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (global.get $GRAIN$EXPORT$equal_0)
-                  )
-                  (call $incRef_0
-                   (global.get $GRAIN$EXPORT$incRef_0)
-                   (local.get $7)
-                  )
-                  (i32.const 11)
-                 )
-                )
-                (block $do_backpatches.20
-                )
-               )
-               (if (result i32)
-                (i32.shr_u
-                 (local.get $14)
-                 (i32.const 31)
-                )
-                (block $compile_block.22 (result i32)
-                 (i32.const 3)
-                )
-                (block $compile_block.23 (result i32)
-                 (i32.const 5)
-                )
-               )
-              )
-             )
-            )
-           )
-           (block $cleanup.15 (result i32)
-            (drop
-             (call $decRef_0
-              (global.get $GRAIN$EXPORT$decRef_0)
-              (local.get $7)
-             )
-            )
-            (i32.const 1879048190)
-           )
-          )
-         )
-        )
-        (block $compile_block.27 (result i32)
-         (i32.const 5)
-        )
-       )
-      )
-     )
-    )
-    (block $do_backpatches.29
-    )
-   )
-   (block $cleanup.31
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $6)
-     )
-    )
-   )
-   (block $switch.32_outer (result i32)
-    (block $switch.32_branch_0 (result i32)
-     (drop
-      (block $switch.32_branch_1 (result i32)
-       (drop
-        (block $switch.32_branch_2 (result i32)
-         (drop
-          (block $switch.32_branch_3 (result i32)
-           (drop
-            (block $switch.32_default (result i32)
-             (br_table $switch.32_branch_1 $switch.32_branch_2 $switch.32_branch_3 $switch.32_default $switch.32_default
-              (i32.const 0)
-              (i32.shr_s
-               (local.get $10)
-               (i32.const 1)
-              )
-             )
-            )
-           )
-           (br $switch.32_outer
-            (block $compile_block.36 (result i32)
-             (unreachable)
-            )
-           )
-          )
-         )
-         (br $switch.32_outer
-          (block $compile_block.35 (result i32)
-           (i32.const 2147483646)
-          )
-         )
-        )
-       )
-       (br $switch.32_outer
-        (block $compile_block.34 (result i32)
-         (i32.const -2)
-        )
-       )
-      )
-     )
-     (br $switch.32_outer
-      (block $compile_block.33 (result i32)
-       (i32.const 2147483646)
-      )
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 250551095)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 3)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 5)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MAdtOp MAdtGetTag
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 (Unmanaged WasmI32))
+        ((instr_desc
+          (MPrim2 Is
+           ((immediate_desc (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Unknown))))
+           ((immediate_desc (MImmConst (MConstI32 1)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 (Unmanaged WasmI32))
+        ((instr_desc
+          (MIf
+           ((immediate_desc (MImmBinding (MLocalBind 1 (Unmanaged WasmI32))))
+            (immediate_analyses ((last_usage Last))))
+           (((instr_desc
+              (MImmediate
+               ((immediate_desc (MImmConst (MConstI32 1)))
+                (immediate_analyses ((last_usage Unknown))))))))
+           (((instr_desc
+              (MStore
+               (((MLocalBind 3 (Unmanaged WasmI32))
+                 ((instr_desc
+                   (MPrim2 Is
+                    ((immediate_desc
+                      (MImmBinding (MLocalBind 0 (Unmanaged WasmI32))))
+                     (immediate_analyses ((last_usage Last))))
+                    ((immediate_desc (MImmConst (MConstI32 0)))
+                     (immediate_analyses ((last_usage Unknown))))))))))))
+            ((instr_desc
+              (MIf
+               ((immediate_desc
+                 (MImmBinding (MLocalBind 3 (Unmanaged WasmI32))))
+                (immediate_analyses ((last_usage Last))))
+               (((instr_desc
+                  (MStore
+                   (((MLocalBind 1 Managed)
+                     ((instr_desc
+                       (MAdtOp (MAdtGet 0)
+                        ((immediate_desc
+                          (MImmBinding (MLocalBind 0 Managed)))
+                         (immediate_analyses ((last_usage Last))))))))))))
+                ((instr_desc
+                  (MStore
+                   (((MLocalBind 4 (Unmanaged WasmI32))
+                     ((instr_desc
+                       (MPrim2 Eq
+                        ((immediate_desc
+                          (MIncRef
+                           ((immediate_desc
+                             (MImmBinding (MLocalBind 1 Managed)))
+                            (immediate_analyses ((last_usage Unknown))))))
+                         (immediate_analyses ((last_usage Unknown))))
+                        ((immediate_desc (MImmConst (MConstI32 3)))
+                         (immediate_analyses ((last_usage Unknown))))))))))))
+                ((instr_desc
+                  (MCleanup
+                   (((instr_desc
+                      (MIf
+                       ((immediate_desc
+                         (MImmBinding (MLocalBind 4 (Unmanaged WasmI32))))
+                        (immediate_analyses ((last_usage Last))))
+                       (((instr_desc
+                          (MImmediate
+                           ((immediate_desc (MImmConst (MConstI32 0)))
+                            (immediate_analyses ((last_usage Unknown))))))))
+                       (((instr_desc
+                          (MStore
+                           (((MLocalBind 5 (Unmanaged WasmI32))
+                             ((instr_desc
+                               (MPrim2 Eq
+                                ((immediate_desc
+                                  (MIncRef
+                                   ((immediate_desc
+                                     (MImmBinding (MLocalBind 1 Managed)))
+                                    (immediate_analyses
+                                     ((last_usage Unknown))))))
+                                 (immediate_analyses ((last_usage Unknown))))
+                                ((immediate_desc (MImmConst (MConstI32 4)))
+                                 (immediate_analyses ((last_usage Unknown))))))))))))
+                        ((instr_desc
+                          (MIf
+                           ((immediate_desc
+                             (MImmBinding (MLocalBind 5 (Unmanaged WasmI32))))
+                            (immediate_analyses ((last_usage Last))))
+                           (((instr_desc
+                              (MImmediate
+                               ((immediate_desc (MImmConst (MConstI32 0)))
+                                (immediate_analyses ((last_usage Unknown))))))))
+                           (((instr_desc
+                              (MStore
+                               (((MLocalBind 6 (Unmanaged WasmI32))
+                                 ((instr_desc
+                                   (MPrim2 Eq
+                                    ((immediate_desc
+                                      (MIncRef
+                                       ((immediate_desc
+                                         (MImmBinding (MLocalBind 1 Managed)))
+                                        (immediate_analyses
+                                         ((last_usage Last))))))
+                                     (immediate_analyses
+                                      ((last_usage Unknown))))
+                                    ((immediate_desc
+                                      (MImmConst (MConstI32 5)))
+                                     (immediate_analyses
+                                      ((last_usage Unknown))))))))))))
+                            ((instr_desc
+                              (MIf
+                               ((immediate_desc
+                                 (MImmBinding
+                                  (MLocalBind 6 (Unmanaged WasmI32))))
+                                (immediate_analyses ((last_usage Last))))
+                               (((instr_desc
+                                  (MImmediate
+                                   ((immediate_desc
+                                     (MImmConst (MConstI32 1)))
+                                    (immediate_analyses
+                                     ((last_usage Unknown))))))))
+                               (((instr_desc
+                                  (MImmediate
+                                   ((immediate_desc
+                                     (MImmConst (MConstI32 2)))
+                                    (immediate_analyses
+                                     ((last_usage Unknown))))))))))))))))))))
+                   (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+                     (immediate_analyses ((last_usage Unknown)))))))))
+               (((instr_desc
+                  (MImmediate
+                   ((immediate_desc (MImmConst (MConstI32 2)))
+                    (immediate_analyses ((last_usage Unknown))))))))))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MSwitch
+      ((immediate_desc (MImmBinding (MLocalBind 2 (Unmanaged WasmI32))))
+       (immediate_analyses ((last_usage Last))))
+      ((0
+        (((instr_desc
+           (MImmediate
+            ((immediate_desc
+              (MImmConst (MConstLiteral (MConstI32 2147483646))))
+             (immediate_analyses ((last_usage Unknown)))))))))
+       (1
+        (((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+             (immediate_analyses ((last_usage Unknown)))))))))
+       (2
+        (((instr_desc
+           (MImmediate
+            ((immediate_desc
+              (MImmConst (MConstLiteral (MConstI32 2147483646))))
+             (immediate_analyses ((last_usage Unknown))))))))))
+      (((instr_desc
+         (MImmediate
+          ((immediate_desc MImmTrap)
+           (immediate_analyses ((last_usage Unknown))))))))
+      (Unmanaged WasmI32))))))
+ (main_body_stack_size
+  ((stack_size_ptr 2) (stack_size_i32 7) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1128) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/provides.0ef7e7b3.0.snapshot b/compiler/test/__snapshots__/provides.0ef7e7b3.0.snapshot
index abec48340..96f45ca76 100644
--- a/compiler/test/__snapshots__/provides.0ef7e7b3.0.snapshot
+++ b/compiler/test/__snapshots__/provides.0ef7e7b3.0.snapshot
@@ -1,36 +1,18 @@
 provides › provide7
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$provideAll.gr\" \"GRAIN$EXPORT$x\" (global $x_1122 (mut i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (global.get $x_1122)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 421
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1122) (name x))) (mimp_mod provideAll.gr) (mimp_name x)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmBinding (MGlobalBind x_1122 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1123) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/provides.10f4f118.0.snapshot b/compiler/test/__snapshots__/provides.10f4f118.0.snapshot
index 15e820e4f..52660b1da 100644
--- a/compiler/test/__snapshots__/provides.10f4f118.0.snapshot
+++ b/compiler/test/__snapshots__/provides.10f4f118.0.snapshot
@@ -1,50 +1,36 @@
 provides › provide9
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$provideAll.gr\" \"GRAIN$EXPORT$z\" (global $z_1123 (mut i32)))
- (import \"GRAIN$MODULE$provideAll.gr\" \"GRAIN$EXPORT$y\" (global $y_1122 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$provideAll.gr\" \"y\" (func $y_1122 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $y_1122
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $y_1122)
-    )
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $z_1123)
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 421
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1123) (name z))) (mimp_mod provideAll.gr) (mimp_name z)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((stamp 1122) (name y))) (mimp_mod provideAll.gr) (mimp_name y)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32)) ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1122) (name y))) (mimp_mod provideAll.gr) (mimp_name y)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func y_1122)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind y_1122 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed) (Managed)))
+      (args
+       (((immediate_desc
+          (MIncRef
+           ((immediate_desc (MImmBinding (MGlobalBind z_1123 Managed)))
+            (immediate_analyses ((last_usage Last))))))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1124) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/provides.2a5f527b.0.snapshot b/compiler/test/__snapshots__/provides.2a5f527b.0.snapshot
index ce34cf02e..cdbb52a1b 100644
--- a/compiler/test/__snapshots__/provides.2a5f527b.0.snapshot
+++ b/compiler/test/__snapshots__/provides.2a5f527b.0.snapshot
@@ -1,45 +1,24 @@
 provides › multiple_provides_8
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $foo_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"GRAIN$EXPORT$bar\" (global $foo_1113))
- (export \"GRAIN$EXPORT$foo\" (global $foo_1113))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.3 (result i32)
-   (block $compile_store.2
-    (global.set $foo_1113
-     (i32.const 3)
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (i32.const 1879048190)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 1435
-)
+((functions ()) (imports ())
+ (exports
+  ((WasmGlobalExport (ex_global_name bar) (ex_global_internal_name foo_1113))
+   (WasmGlobalExport (ex_global_name foo) (ex_global_internal_name foo_1113))))
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind foo_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstI32 1)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstLiteral (MConstI32 1879048190))))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((stamp 1113) (name foo)) true Managed ())))
+ (function_table_elements ())
+ (global_function_table_offset ((stamp 1117) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/provides.30cbc409.0.snapshot b/compiler/test/__snapshots__/provides.30cbc409.0.snapshot
index 2da57f3f2..e985f358f 100644
--- a/compiler/test/__snapshots__/provides.30cbc409.0.snapshot
+++ b/compiler/test/__snapshots__/provides.30cbc409.0.snapshot
@@ -1,213 +1,110 @@
 provides › provide_start_function
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_=>_i32 (func (param i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$print\" (global $print_1115 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"print\" (func $print_1115 (param i32 i32 i32) (result i32)))
- (global $_start_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_start\" (func $_start_1113))
- (export \"GRAIN$EXPORT$_start\" (global $_start_1113))
- (export \"_gmain\" (func $_gmain))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_start_1113 (param $0 i32) (result i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i32)
-  (local $4 i64)
-  (local $5 f32)
-  (local $6 f64)
-  (local $7 i32)
-  (local $8 i32)
-  (block $compile_block.8
-   (block $compile_store.3
-    (local.set $7
-     (block $allocate_adt.1 (result i32)
-      (i32.store
-       (local.tee $1
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $1)
-       (i32.const 501102191)
-      )
-      (i32.store offset=8
-       (local.get $1)
-       (i32.const 7)
-      )
-      (i32.store offset=12
-       (local.get $1)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $1)
-       (i32.const 0)
-      )
-      (local.get $1)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $8
-     (block $allocate_string.4 (result i32)
-      (i32.store
-       (local.tee $1
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 24)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $1)
-       (i32.const 11)
-      )
-      (i64.store offset=8
-       (local.get $1)
-       (i64.const 7453010382200861811)
-      )
-      (i64.store offset=16
-       (local.get $1)
-       (i64.const 7370016)
-      )
-      (local.get $1)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $cleanup.7
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $0)
-     )
-    )
-   )
-   (return_call $print_1115
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $print_1115)
-    )
-    (local.get $8)
-    (local.get $7)
-   )
-  )
- )
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.17 (result i32)
-   (block $compile_store.11
-    (local.set $6
-     (block $allocate_adt.9 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 501102191)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.10
-    )
-   )
-   (block $compile_store.14
-    (local.set $7
-     (block $allocate_string.12 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 4)
-      )
-      (i64.store offset=8
-       (local.get $0)
-       (i64.const 1953066601)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.13
-    )
-   )
-   (drop
-    (call $print_1115
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (global.get $print_1115)
-     )
-     (local.get $7)
-     (local.get $6)
-    )
-   )
-   (block $compile_store.16
-    (global.set $_start_1113
-     (i32.const 0)
-    )
-    (block $do_backpatches.15
-    )
-   )
-   (i32.const 1879048190)
-  )
- )
- ;; custom section \"cmi\", size 1021
-)
+((functions
+  (((id ((stamp 1113) (name _start))) (name (_start)) (args (Managed))
+    (return_type ((Unmanaged WasmI32))) (closure ())
+    (body
+     (((instr_desc
+        (MStore
+         (((MLocalBind 0 Managed)
+           ((instr_desc
+             (MAllocate
+              (MADT
+               ((immediate_desc (MImmConst (MConstI32 250551095)))
+                (immediate_analyses ((last_usage Unknown))))
+               ((immediate_desc (MImmConst (MConstI32 3)))
+                (immediate_analyses ((last_usage Unknown))))
+               ((immediate_desc (MImmConst (MConstI32 1)))
+                (immediate_analyses ((last_usage Unknown))))
+               ())))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 1 Managed)
+           ((instr_desc (MAllocate (MString \"starting up\")))))))))
+      ((instr_desc
+        (MCleanup ()
+         (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))
+      ((instr_desc
+        (MReturnCallKnown (func print_1115)
+         (closure
+          ((immediate_desc
+            (MIncRef
+             ((immediate_desc (MImmBinding (MGlobalBind print_1115 Managed)))
+              (immediate_analyses ((last_usage Last))))))
+           (immediate_analyses ((last_usage Unknown)))))
+         (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+         (args
+          (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+            (immediate_analyses ((last_usage Last))))
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Last)))))))))))
+    (stack_size
+     ((stack_size_ptr 2) (stack_size_i32 0) (stack_size_i64 0)
+      (stack_size_f32 0) (stack_size_f64 0)))
+    (attrs ()))))
+ (imports
+  (((mimp_id ((stamp 1115) (name print))) (mimp_mod pervasives.gr)
+    (mimp_name print)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1115) (name print))) (mimp_mod pervasives.gr)
+    (mimp_name print) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))))
+ (exports
+  ((WasmFunctionExport (ex_function_name _start)
+    (ex_function_internal_name _start_1113))
+   (WasmGlobalExport (ex_global_name _start)
+    (ex_global_internal_name _start_1113))))
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 250551095)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 3)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed) ((instr_desc (MAllocate (MString init)))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MCallKnown (func print_1115)
+         (closure
+          ((immediate_desc
+            (MIncRef
+             ((immediate_desc (MImmBinding (MGlobalBind print_1115 Managed)))
+              (immediate_analyses ((last_usage Last))))))
+           (immediate_analyses ((last_usage Unknown)))))
+         (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+         (args
+          (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+            (immediate_analyses ((last_usage Last))))
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MStore
+      (((MGlobalBind _start_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstLiteral (MConstI32 1879048190))))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 2) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((stamp 1113) (name _start)) true Managed ())))
+ (function_table_elements ())
+ (global_function_table_offset ((stamp 1120) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/provides.82c10ab4.0.snapshot b/compiler/test/__snapshots__/provides.82c10ab4.0.snapshot
index 10189488d..90bc3f9b8 100644
--- a/compiler/test/__snapshots__/provides.82c10ab4.0.snapshot
+++ b/compiler/test/__snapshots__/provides.82c10ab4.0.snapshot
@@ -1,186 +1,91 @@
 provides › provide12
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$print\" (global $print_1203 (mut i32)))
- (import \"GRAIN$MODULE$providedType.gr\" \"GRAIN$EXPORT$apply\" (global $apply_1201 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"print\" (func $print_1203 (param i32 i32 i32) (result i32)))
- (import \"GRAIN$MODULE$providedType.gr\" \"apply\" (func $apply_1201 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 1))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0) $lam_lambda_1202)
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $lam_lambda_1202 (param $0 i32) (param $1 i32) (result i32)
-  (local $2 i32)
-  (local $3 i32)
-  (local $4 i32)
-  (local $5 i64)
-  (local $6 f32)
-  (local $7 f64)
-  (local $8 i32)
-  (local $9 i32)
-  (block $closure_elements.17
-   (block $compile_block.16
-    (block $compile_store.11
-     (local.set $8
-      (block $allocate_adt.9 (result i32)
-       (i32.store
-        (local.tee $2
-         (call $malloc_0
-          (global.get $GRAIN$EXPORT$malloc_0)
-          (i32.const 20)
-         )
-        )
-        (i32.const 2)
-       )
-       (i32.store offset=4
-        (local.get $2)
-        (i32.const 501102191)
-       )
-       (i32.store offset=8
-        (local.get $2)
-        (i32.const 7)
-       )
-       (i32.store offset=12
-        (local.get $2)
-        (i32.const 3)
-       )
-       (i32.store offset=16
-        (local.get $2)
-        (i32.const 0)
-       )
-       (local.get $2)
-      )
-     )
-     (block $do_backpatches.10
-     )
-    )
-    (block $compile_store.14
-     (local.set $9
-      (block $allocate_string.12 (result i32)
-       (i32.store
-        (local.tee $2
-         (call $malloc_0
-          (global.get $GRAIN$EXPORT$malloc_0)
-          (i32.const 16)
-         )
-        )
-        (i32.const 1)
-       )
-       (i32.store offset=4
-        (local.get $2)
-        (i32.const 2)
-       )
-       (i64.store offset=8
-        (local.get $2)
-        (i64.const 27503)
-       )
-       (local.get $2)
-      )
-     )
-     (block $do_backpatches.13
-     )
-    )
-    (block $cleanup.15
-     (drop
-      (call $decRef_0
-       (global.get $GRAIN$EXPORT$decRef_0)
-       (local.get $0)
-      )
-     )
-     (drop
-      (call $decRef_0
-       (global.get $GRAIN$EXPORT$decRef_0)
-       (local.get $1)
-      )
-     )
-    )
-    (return_call $print_1203
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (global.get $print_1203)
-     )
-     (local.get $9)
-     (local.get $8)
-    )
-   )
-  )
- )
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.21
-   (block $compile_store.20
-    (local.set $6
-     (block $allocate_closure.18 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 6)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.add
-        (global.get $relocBase_0)
-        (i32.const 0)
-       )
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.19
-     (local.set $0
-      (local.get $6)
-     )
-    )
-   )
-   (return_call $apply_1201
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $apply_1201)
-    )
-    (local.get $6)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 423
-)
+((functions
+  (((id ((stamp 1202) (name lam_lambda))) (name ()) (args (Managed Managed))
+    (return_type ((Unmanaged WasmI32))) (closure (0))
+    (body
+     (((instr_desc
+        (MStore
+         (((MLocalBind 0 Managed)
+           ((instr_desc
+             (MAllocate
+              (MADT
+               ((immediate_desc (MImmConst (MConstI32 250551095)))
+                (immediate_analyses ((last_usage Unknown))))
+               ((immediate_desc (MImmConst (MConstI32 3)))
+                (immediate_analyses ((last_usage Unknown))))
+               ((immediate_desc (MImmConst (MConstI32 1)))
+                (immediate_analyses ((last_usage Unknown))))
+               ())))))))))
+      ((instr_desc
+        (MStore
+         (((MLocalBind 1 Managed) ((instr_desc (MAllocate (MString ok)))))))))
+      ((instr_desc
+        (MCleanup ()
+         (((immediate_desc (MImmBinding (MArgBind 1 Managed)))
+           (immediate_analyses ((last_usage Unknown))))
+          ((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))
+      ((instr_desc
+        (MReturnCallKnown (func print_1203)
+         (closure
+          ((immediate_desc
+            (MIncRef
+             ((immediate_desc (MImmBinding (MGlobalBind print_1203 Managed)))
+              (immediate_analyses ((last_usage Last))))))
+           (immediate_analyses ((last_usage Unknown)))))
+         (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+         (args
+          (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+            (immediate_analyses ((last_usage Last))))
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Last)))))))))))
+    (stack_size
+     ((stack_size_ptr 2) (stack_size_i32 0) (stack_size_i64 0)
+      (stack_size_f32 0) (stack_size_f64 0)))
+    (attrs ()))))
+ (imports
+  (((mimp_id ((stamp 1203) (name print))) (mimp_mod pervasives.gr)
+    (mimp_name print)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1203) (name print))) (mimp_mod pervasives.gr)
+    (mimp_name print) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((stamp 1201) (name apply))) (mimp_mod providedType.gr)
+    (mimp_name apply)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32)) ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1201) (name apply))) (mimp_mod providedType.gr)
+    (mimp_name apply) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MClosure
+            ((func_idx (0)) (global_offset function_table_global_1207)
+             (arity 2) (variables ())))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func apply_1201)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind apply_1201 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed) ((Unmanaged WasmI32))))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements (lam_lambda_1202))
+ (global_function_table_offset ((stamp 1207) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/provides.c3bb4eff.0.snapshot b/compiler/test/__snapshots__/provides.c3bb4eff.0.snapshot
index bb49a490e..1072c16e2 100644
--- a/compiler/test/__snapshots__/provides.c3bb4eff.0.snapshot
+++ b/compiler/test/__snapshots__/provides.c3bb4eff.0.snapshot
@@ -1,68 +1,61 @@
 provides › provide8
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$provideAll.gr\" \"GRAIN$EXPORT$y\" (global $y_1125 (mut i32)))
- (import \"GRAIN$MODULE$provideAll.gr\" \"GRAIN$EXPORT$x\" (global $x_1123 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1122 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$provideAll.gr\" \"y\" (func $y_1125 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1122 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.3
-   (block $compile_store.2
-    (local.set $6
-     (call $y_1125
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $y_1125)
-      )
-      (i32.const 9)
-     )
-    )
-    (block $do_backpatches.1
-    )
-   )
-   (return_call $+_1122
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $+_1122)
-    )
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $x_1123)
-    )
-    (local.get $6)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 421
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1125) (name y))) (mimp_mod provideAll.gr) (mimp_name y)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32)) ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1125) (name y))) (mimp_mod provideAll.gr) (mimp_name y)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((stamp 1123) (name x))) (mimp_mod provideAll.gr) (mimp_name x)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))
+   ((mimp_id ((stamp 1122) (name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1122) (name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MCallKnown (func y_1125)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind y_1125 Managed)))
+                (immediate_analyses ((last_usage Last))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed) (Managed)))
+           (args
+            (((immediate_desc (MImmConst (MConstI32 4)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func +_1122)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind +_1122 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc
+          (MIncRef
+           ((immediate_desc (MImmBinding (MGlobalBind x_1123 Managed)))
+            (immediate_analyses ((last_usage Last))))))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1127) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/provides.c6bf4567.0.snapshot b/compiler/test/__snapshots__/provides.c6bf4567.0.snapshot
index 69c76d999..fe2aff9aa 100644
--- a/compiler/test/__snapshots__/provides.c6bf4567.0.snapshot
+++ b/compiler/test/__snapshots__/provides.c6bf4567.0.snapshot
@@ -1,73 +1,41 @@
 provides › let_rec_provide
-(module
- (type $i32_=>_i32 (func (param i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (global $foo_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"foo\" (func $foo_1113))
- (export \"GRAIN$EXPORT$foo\" (global $foo_1113))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $foo_1113 (param $0 i32) (result i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i32)
-  (local $4 i64)
-  (local $5 f32)
-  (local $6 f64)
-  (block $compile_block.2 (result i32)
-   (tuple.extract 0
-    (tuple.make
-     (i32.const 11)
-     (block $cleanup.1 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $0)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.5 (result i32)
-   (block $compile_store.4
-    (global.set $foo_1113
-     (i32.const 0)
-    )
-    (block $do_backpatches.3
-    )
-   )
-   (i32.const 1879048190)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 1005
-)
+((functions
+  (((id ((stamp 1113) (name foo))) (name (foo)) (args (Managed))
+    (return_type (Managed)) (closure ())
+    (body
+     (((instr_desc
+        (MCleanup
+         (((instr_desc
+            (MImmediate
+             ((immediate_desc (MImmConst (MConstI32 5)))
+              (immediate_analyses ((last_usage Unknown))))))))
+         (((immediate_desc (MImmBinding (MArgBind 0 Managed)))
+           (immediate_analyses ((last_usage Unknown))))))))))
+    (stack_size
+     ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+      (stack_size_f32 0) (stack_size_f64 0)))
+    (attrs ()))))
+ (imports ())
+ (exports
+  ((WasmFunctionExport (ex_function_name foo)
+    (ex_function_internal_name foo_1113))
+   (WasmGlobalExport (ex_global_name foo) (ex_global_internal_name foo_1113))))
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MGlobalBind foo_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstLiteral (MConstI32 1879048190))))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((stamp 1113) (name foo)) true Managed ())))
+ (function_table_elements ())
+ (global_function_table_offset ((stamp 1116) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/provides.f378d570.0.snapshot b/compiler/test/__snapshots__/provides.f378d570.0.snapshot
index 13ab88e83..a4baa325b 100644
--- a/compiler/test/__snapshots__/provides.f378d570.0.snapshot
+++ b/compiler/test/__snapshots__/provides.f378d570.0.snapshot
@@ -1,36 +1,18 @@
 provides › provide4
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$onlyXProvided.gr\" \"GRAIN$EXPORT$x\" (global $x_1116 (mut i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (global.get $x_1116)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 424
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1116) (name x))) (mimp_mod onlyXProvided.gr)
+    (mimp_name x) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmBinding (MGlobalBind x_1116 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1117) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/records.012b017b.0.snapshot b/compiler/test/__snapshots__/records.012b017b.0.snapshot
index 789b61a65..a41dcea52 100644
--- a/compiler/test/__snapshots__/records.012b017b.0.snapshot
+++ b/compiler/test/__snapshots__/records.012b017b.0.snapshot
@@ -1,35 +1,13 @@
 records › record_spread_2
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const 1879048190)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 562
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstLiteral (MConstI32 1879048190))))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1122) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/records.02742729.0.snapshot b/compiler/test/__snapshots__/records.02742729.0.snapshot
index 55c1d7fc9..55e351521 100644
--- a/compiler/test/__snapshots__/records.02742729.0.snapshot
+++ b/compiler/test/__snapshots__/records.02742729.0.snapshot
@@ -1,125 +1,67 @@
 records › record_get_multiple
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1118 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1118 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (block $compile_block.9
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_record.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 24)
-        )
-       )
-       (i32.const 3)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 447924047)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2227)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 9)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 19)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.5
-    (local.set $7
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=16
-       (local.get $6)
-      )
-     )
-    )
-    (block $do_backpatches.4
-    )
-   )
-   (block $compile_store.7
-    (local.set $8
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=20
-       (local.get $6)
-      )
-     )
-    )
-    (block $do_backpatches.6
-    )
-   )
-   (block $cleanup.8
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $6)
-     )
-    )
-   )
-   (return_call $+_1118
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $+_1118)
-    )
-    (local.get $7)
-    (local.get $8)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 562
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1118) (name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1118) (name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MRecord
+            ((immediate_desc (MImmConst (MConstI32 223962023)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1113)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((foo)
+              ((immediate_desc (MImmConst (MConstI32 4)))
+               (immediate_analyses ((last_usage Unknown)))))
+             ((bar)
+              ((immediate_desc (MImmConst (MConstI32 9)))
+               (immediate_analyses ((last_usage Unknown)))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MRecordOp (MRecordGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MRecordOp (MRecordGet 1)
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MReturnCallKnown (func +_1118)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind +_1118 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+         (immediate_analyses ((last_usage Last))))
+        ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 3) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1121) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/records.02af5946.0.snapshot b/compiler/test/__snapshots__/records.02af5946.0.snapshot
index e3087d5ed..43d718a36 100644
--- a/compiler/test/__snapshots__/records.02af5946.0.snapshot
+++ b/compiler/test/__snapshots__/records.02af5946.0.snapshot
@@ -1,65 +1,19 @@
 records › record_definition_trailing
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_record.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 20)
-      )
-     )
-     (i32.const 3)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 1047233621)
-    )
-    (i32.store offset=8
-     (local.get $0)
-     (i32.const 2227)
-    )
-    (i32.store offset=12
-     (local.get $0)
-     (i32.const 1)
-    )
-    (i32.store offset=16
-     (local.get $0)
-     (i32.const 9)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 1272
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MAllocate
+      (MRecord
+       ((immediate_desc (MImmConst (MConstI32 523616810)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmConst (MConstI32 1113)))
+        (immediate_analyses ((last_usage Unknown))))
+       (((foo)
+         ((immediate_desc (MImmConst (MConstI32 4)))
+          (immediate_analyses ((last_usage Unknown))))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1116) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/records.2dc39420.0.snapshot b/compiler/test/__snapshots__/records.2dc39420.0.snapshot
index 2e4b2a5e8..aa6a9f988 100644
--- a/compiler/test/__snapshots__/records.2dc39420.0.snapshot
+++ b/compiler/test/__snapshots__/records.2dc39420.0.snapshot
@@ -1,65 +1,19 @@
 records › record_pun
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_record.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 20)
-      )
-     )
-     (i32.const 3)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 1047233621)
-    )
-    (i32.store offset=8
-     (local.get $0)
-     (i32.const 2227)
-    )
-    (i32.store offset=12
-     (local.get $0)
-     (i32.const 1)
-    )
-    (i32.store offset=16
-     (local.get $0)
-     (i32.const 9)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 1208
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MAllocate
+      (MRecord
+       ((immediate_desc (MImmConst (MConstI32 523616810)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmConst (MConstI32 1113)))
+        (immediate_analyses ((last_usage Unknown))))
+       (((foo)
+         ((immediate_desc (MImmConst (MConstI32 4)))
+          (immediate_analyses ((last_usage Unknown))))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1117) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/records.49dfc6ff.0.snapshot b/compiler/test/__snapshots__/records.49dfc6ff.0.snapshot
index beda98bf0..0edcf705e 100644
--- a/compiler/test/__snapshots__/records.49dfc6ff.0.snapshot
+++ b/compiler/test/__snapshots__/records.49dfc6ff.0.snapshot
@@ -1,160 +1,62 @@
 records › record_destruct_1
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (global $foo_1114 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (block $compile_block.13 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_string.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i64.store offset=8
-       (local.get $0)
-       (i64.const 7303010)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_record.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 3)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 656589387)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2227)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 9)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (local.get $6)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (i32.const -2)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.8
-    (global.set $foo_1114
-     (i32.const 0)
-    )
-    (block $do_backpatches.7
-    )
-   )
-   (block $compile_store.10
-    (local.set $8
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=16
-       (local.get $7)
-      )
-     )
-    )
-    (block $do_backpatches.9
-    )
-   )
-   (block $cleanup.11
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $7)
-     )
-    )
-   )
-   (drop
-    (block $compile_set.12 (result i32)
-     (global.set $foo_1114
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $8)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (global.get $foo_1114)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (global.get $foo_1114)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 643
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed) ((instr_desc (MAllocate (MString boo)))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MRecord
+            ((immediate_desc (MImmConst (MConstI32 328294693)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1113)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((foo)
+              ((immediate_desc (MImmConst (MConstI32 4)))
+               (immediate_analyses ((last_usage Unknown)))))
+             ((bar)
+              ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+               (immediate_analyses ((last_usage Last)))))
+             ((baz)
+              ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+               (immediate_analyses ((last_usage Unknown)))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MGlobalBind foo_1114 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MRecordOp (MRecordGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MGlobalBind foo_1114 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmBinding (MGlobalBind foo_1114 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 3) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((stamp 1114) (name foo)) true Managed ())))
+ (function_table_elements ())
+ (global_function_table_offset ((stamp 1123) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/records.54f5977c.0.snapshot b/compiler/test/__snapshots__/records.54f5977c.0.snapshot
index 8c1a0c3d5..6e45e65d7 100644
--- a/compiler/test/__snapshots__/records.54f5977c.0.snapshot
+++ b/compiler/test/__snapshots__/records.54f5977c.0.snapshot
@@ -1,247 +1,154 @@
 records › record_destruct_4
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1126 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1126 (param i32 i32 i32) (result i32)))
- (global $bar_1115 (mut i32) (i32.const 0))
- (global $foo_1114 (mut i32) (i32.const 0))
- (global $baz_1116 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (block $compile_block.22
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_record.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 3)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 656589387)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2227)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 9)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (i32.const 13)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.5
-    (global.set $foo_1114
-     (i32.const 0)
-    )
-    (block $do_backpatches.4
-    )
-   )
-   (block $compile_store.7
-    (global.set $bar_1115
-     (i32.const 0)
-    )
-    (block $do_backpatches.6
-    )
-   )
-   (block $compile_store.9
-    (global.set $baz_1116
-     (i32.const 0)
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $compile_store.11
-    (local.set $7
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=16
-       (local.get $6)
-      )
-     )
-    )
-    (block $do_backpatches.10
-    )
-   )
-   (block $compile_store.13
-    (local.set $8
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=20
-       (local.get $6)
-      )
-     )
-    )
-    (block $do_backpatches.12
-    )
-   )
-   (block $compile_store.15
-    (local.set $9
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=24
-       (local.get $6)
-      )
-     )
-    )
-    (block $do_backpatches.14
-    )
-   )
-   (block $cleanup.16
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $6)
-     )
-    )
-   )
-   (drop
-    (block $compile_set.17 (result i32)
-     (global.set $baz_1116
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $9)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (global.get $baz_1116)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.18 (result i32)
-     (global.set $bar_1115
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $8)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (global.get $bar_1115)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.19 (result i32)
-     (global.set $foo_1114
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $7)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (global.get $foo_1114)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (block $compile_store.21
-    (local.set $10
-     (call $+_1126
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $+_1126)
-      )
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $foo_1114)
-      )
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $bar_1115)
-      )
-     )
-    )
-    (block $do_backpatches.20
-    )
-   )
-   (return_call $+_1126
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $+_1126)
-    )
-    (local.get $10)
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $baz_1116)
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 643
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1126) (name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1126) (name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MRecord
+            ((immediate_desc (MImmConst (MConstI32 328294693)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1113)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((foo)
+              ((immediate_desc (MImmConst (MConstI32 4)))
+               (immediate_analyses ((last_usage Unknown)))))
+             ((bar)
+              ((immediate_desc (MImmConst (MConstI32 5)))
+               (immediate_analyses ((last_usage Unknown)))))
+             ((baz)
+              ((immediate_desc (MImmConst (MConstI32 6)))
+               (immediate_analyses ((last_usage Unknown)))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MGlobalBind foo_1114 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MGlobalBind bar_1115 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MGlobalBind baz_1116 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MRecordOp (MRecordGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MRecordOp (MRecordGet 1)
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MRecordOp (MRecordGet 2)
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MGlobalBind baz_1116 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MGlobalBind bar_1115 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MGlobalBind foo_1114 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 Managed)
+        ((instr_desc
+          (MCallKnown (func +_1126)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind +_1126 Managed)))
+                (immediate_analyses ((last_usage Unknown))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) (Managed)))
+           (args
+            (((immediate_desc
+               (MIncRef
+                ((immediate_desc
+                  (MImmBinding (MGlobalBind foo_1114 Managed)))
+                 (immediate_analyses ((last_usage Last))))))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc
+               (MIncRef
+                ((immediate_desc
+                  (MImmBinding (MGlobalBind bar_1115 Managed)))
+                 (immediate_analyses ((last_usage Last))))))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func +_1126)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind +_1126 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+         (immediate_analyses ((last_usage Last))))
+        ((immediate_desc
+          (MIncRef
+           ((immediate_desc (MImmBinding (MGlobalBind baz_1116 Managed)))
+            (immediate_analyses ((last_usage Last))))))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 5) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals
+  ((((stamp 1115) (name bar)) true Managed ())
+   (((stamp 1114) (name foo)) true Managed ())
+   (((stamp 1116) (name baz)) true Managed ())))
+ (function_table_elements ())
+ (global_function_table_offset ((stamp 1128) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/records.5f340064.0.snapshot b/compiler/test/__snapshots__/records.5f340064.0.snapshot
index 0d2e67f59..2afd99faa 100644
--- a/compiler/test/__snapshots__/records.5f340064.0.snapshot
+++ b/compiler/test/__snapshots__/records.5f340064.0.snapshot
@@ -1,65 +1,19 @@
 records › record_value_trailing
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_record.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 20)
-      )
-     )
-     (i32.const 3)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 1047233621)
-    )
-    (i32.store offset=8
-     (local.get $0)
-     (i32.const 2227)
-    )
-    (i32.store offset=12
-     (local.get $0)
-     (i32.const 1)
-    )
-    (i32.store offset=16
-     (local.get $0)
-     (i32.const 9)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 1252
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MAllocate
+      (MRecord
+       ((immediate_desc (MImmConst (MConstI32 523616810)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmConst (MConstI32 1113)))
+        (immediate_analyses ((last_usage Unknown))))
+       (((foo)
+         ((immediate_desc (MImmConst (MConstI32 4)))
+          (immediate_analyses ((last_usage Unknown))))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1116) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/records.60c0a141.0.snapshot b/compiler/test/__snapshots__/records.60c0a141.0.snapshot
index 7c405aa26..fd68454ca 100644
--- a/compiler/test/__snapshots__/records.60c0a141.0.snapshot
+++ b/compiler/test/__snapshots__/records.60c0a141.0.snapshot
@@ -1,316 +1,113 @@
 records › record_recursive_data_definition
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (block $compile_block.24 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_adt.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 501102191)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_record.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 3)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 610197211)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2229)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (local.get $6)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.9
-    (local.set $8
-     (block $allocate_adt.7 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 501102191)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $compile_store.12
-    (local.set $9
-     (block $allocate_record.10 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 3)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1047233621)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2227)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (local.get $8)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.11
-    )
-   )
-   (block $compile_store.15
-    (local.set $10
-     (block $allocate_adt.13 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 24)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 501102191)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (call $incRef_0
-        (global.get $GRAIN$EXPORT$incRef_0)
-        (local.get $9)
-       )
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.14
-    )
-   )
-   (block $compile_store.18
-    (local.set $12
-     (block $record_set.16 (result i32)
-      (i32.store offset=16
-       (local.get $7)
-       (tuple.extract 0
-        (tuple.make
-         (local.get $10)
-         (call $decRef_0
-          (global.get $GRAIN$EXPORT$decRef_0)
-          (i32.load offset=16
-           (local.get $7)
-          )
-         )
-        )
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-    (block $do_backpatches.17
-    )
-   )
-   (block $compile_store.21
-    (local.set $11
-     (block $allocate_adt.19 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 24)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 501102191)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (local.get $7)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.20
-    )
-   )
-   (tuple.extract 0
-    (tuple.make
-     (block $record_set.23 (result i32)
-      (i32.store offset=16
-       (local.get $9)
-       (tuple.extract 0
-        (tuple.make
-         (local.get $11)
-         (call $decRef_0
-          (global.get $GRAIN$EXPORT$decRef_0)
-          (i32.load offset=16
-           (local.get $9)
-          )
-         )
-        )
-       )
-      )
-      (i32.const 1879048190)
-     )
-     (block $cleanup.22 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $9)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 606
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 250551095)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 3)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MRecord
+            ((immediate_desc (MImmConst (MConstI32 305098605)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1114)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((bar)
+              ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+               (immediate_analyses ((last_usage Last)))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 250551095)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 3)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MAllocate
+           (MRecord
+            ((immediate_desc (MImmConst (MConstI32 523616810)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1113)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((foo)
+              ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+               (immediate_analyses ((last_usage Last)))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 250551095)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 3)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc
+               (MIncRef
+                ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+                 (immediate_analyses ((last_usage Unknown))))))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 0 (Unmanaged WasmI32))
+        ((instr_desc
+          (MRecordOp
+           (MRecordSet 0
+            ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+             (immediate_analyses ((last_usage Last)))))
+           ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 5 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 250551095)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 3)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MCleanup
+      (((instr_desc
+         (MRecordOp
+          (MRecordSet 0
+           ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+            (immediate_analyses ((last_usage Last)))))
+          ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+           (immediate_analyses ((last_usage Last))))))))
+      (((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 6) (stack_size_i32 1) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1125) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/records.60c7acc4.0.snapshot b/compiler/test/__snapshots__/records.60c7acc4.0.snapshot
index 2652845e5..c42524f49 100644
--- a/compiler/test/__snapshots__/records.60c7acc4.0.snapshot
+++ b/compiler/test/__snapshots__/records.60c7acc4.0.snapshot
@@ -1,69 +1,22 @@
 records › record_pun_mixed_trailing
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_record.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 24)
-      )
-     )
-     (i32.const 3)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 447924047)
-    )
-    (i32.store offset=8
-     (local.get $0)
-     (i32.const 2227)
-    )
-    (i32.store offset=12
-     (local.get $0)
-     (i32.const 2)
-    )
-    (i32.store offset=16
-     (local.get $0)
-     (i32.const 9)
-    )
-    (i32.store offset=20
-     (local.get $0)
-     (i32.const 2147483646)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 1702
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MAllocate
+      (MRecord
+       ((immediate_desc (MImmConst (MConstI32 223962023)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmConst (MConstI32 1113)))
+        (immediate_analyses ((last_usage Unknown))))
+       (((foo)
+         ((immediate_desc (MImmConst (MConstI32 4)))
+          (immediate_analyses ((last_usage Unknown)))))
+        ((bar)
+         ((immediate_desc (MImmConst (MConstLiteral (MConstI32 2147483646))))
+          (immediate_analyses ((last_usage Unknown))))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1117) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/records.63a951b8.0.snapshot b/compiler/test/__snapshots__/records.63a951b8.0.snapshot
index b55a5d821..641f2c1f9 100644
--- a/compiler/test/__snapshots__/records.63a951b8.0.snapshot
+++ b/compiler/test/__snapshots__/records.63a951b8.0.snapshot
@@ -1,160 +1,62 @@
 records › record_destruct_2
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (global $bar_1114 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (block $compile_block.13 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_string.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i64.store offset=8
-       (local.get $0)
-       (i64.const 7303010)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_record.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 3)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 656589387)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2227)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 9)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (local.get $6)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (i32.const -2)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.8
-    (global.set $bar_1114
-     (i32.const 0)
-    )
-    (block $do_backpatches.7
-    )
-   )
-   (block $compile_store.10
-    (local.set $8
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=20
-       (local.get $7)
-      )
-     )
-    )
-    (block $do_backpatches.9
-    )
-   )
-   (block $cleanup.11
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $7)
-     )
-    )
-   )
-   (drop
-    (block $compile_set.12 (result i32)
-     (global.set $bar_1114
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $8)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (global.get $bar_1114)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (global.get $bar_1114)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 643
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed) ((instr_desc (MAllocate (MString boo)))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MRecord
+            ((immediate_desc (MImmConst (MConstI32 328294693)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1113)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((foo)
+              ((immediate_desc (MImmConst (MConstI32 4)))
+               (immediate_analyses ((last_usage Unknown)))))
+             ((bar)
+              ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+               (immediate_analyses ((last_usage Last)))))
+             ((baz)
+              ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+               (immediate_analyses ((last_usage Unknown)))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MGlobalBind bar_1114 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MRecordOp (MRecordGet 1)
+           ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MGlobalBind bar_1114 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmBinding (MGlobalBind bar_1114 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 3) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((stamp 1114) (name bar)) true Managed ())))
+ (function_table_elements ())
+ (global_function_table_offset ((stamp 1123) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/records.89d08e01.0.snapshot b/compiler/test/__snapshots__/records.89d08e01.0.snapshot
index 6d79ebb27..2da461001 100644
--- a/compiler/test/__snapshots__/records.89d08e01.0.snapshot
+++ b/compiler/test/__snapshots__/records.89d08e01.0.snapshot
@@ -1,65 +1,19 @@
 records › record_pun_trailing
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_record.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 20)
-      )
-     )
-     (i32.const 3)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 1047233621)
-    )
-    (i32.store offset=8
-     (local.get $0)
-     (i32.const 2227)
-    )
-    (i32.store offset=12
-     (local.get $0)
-     (i32.const 1)
-    )
-    (i32.store offset=16
-     (local.get $0)
-     (i32.const 9)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 1244
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MAllocate
+      (MRecord
+       ((immediate_desc (MImmConst (MConstI32 523616810)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmConst (MConstI32 1113)))
+        (immediate_analyses ((last_usage Unknown))))
+       (((foo)
+         ((immediate_desc (MImmConst (MConstI32 4)))
+          (immediate_analyses ((last_usage Unknown))))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1117) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/records.98824516.0.snapshot b/compiler/test/__snapshots__/records.98824516.0.snapshot
index b5995c044..7cffabb69 100644
--- a/compiler/test/__snapshots__/records.98824516.0.snapshot
+++ b/compiler/test/__snapshots__/records.98824516.0.snapshot
@@ -1,181 +1,77 @@
 records › record_destruct_deep
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (global $foo_1115 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (block $compile_block.16 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_record.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 3)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1047233621)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2227)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 9)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_record.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 3)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 610197211)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2229)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (local.get $6)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.8
-    (global.set $foo_1115
-     (i32.const 0)
-    )
-    (block $do_backpatches.7
-    )
-   )
-   (block $compile_store.10
-    (local.set $8
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=16
-       (local.get $7)
-      )
-     )
-    )
-    (block $do_backpatches.9
-    )
-   )
-   (block $cleanup.11
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $7)
-     )
-    )
-   )
-   (block $compile_store.13
-    (local.set $9
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=16
-       (local.get $8)
-      )
-     )
-    )
-    (block $do_backpatches.12
-    )
-   )
-   (block $cleanup.14
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $8)
-     )
-    )
-   )
-   (drop
-    (block $compile_set.15 (result i32)
-     (global.set $foo_1115
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $9)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (global.get $foo_1115)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (global.get $foo_1115)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 606
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MRecord
+            ((immediate_desc (MImmConst (MConstI32 523616810)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1113)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((foo)
+              ((immediate_desc (MImmConst (MConstI32 4)))
+               (immediate_analyses ((last_usage Unknown)))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MRecord
+            ((immediate_desc (MImmConst (MConstI32 305098605)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1114)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((bar)
+              ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+               (immediate_analyses ((last_usage Last)))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MGlobalBind foo_1115 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MRecordOp (MRecordGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MRecordOp (MRecordGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MGlobalBind foo_1115 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmBinding (MGlobalBind foo_1115 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 4) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ((((stamp 1115) (name foo)) true Managed ())))
+ (function_table_elements ())
+ (global_function_table_offset ((stamp 1124) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/records.a3299dd2.0.snapshot b/compiler/test/__snapshots__/records.a3299dd2.0.snapshot
index 5fd798c84..cd12ed637 100644
--- a/compiler/test/__snapshots__/records.a3299dd2.0.snapshot
+++ b/compiler/test/__snapshots__/records.a3299dd2.0.snapshot
@@ -1,189 +1,109 @@
 records › record_destruct_3
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1125 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1125 (param i32 i32 i32) (result i32)))
- (global $bar_1115 (mut i32) (i32.const 0))
- (global $foo_1114 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (block $compile_block.15
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_record.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 3)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 656589387)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2227)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 9)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (i32.const 13)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.5
-    (global.set $foo_1114
-     (i32.const 0)
-    )
-    (block $do_backpatches.4
-    )
-   )
-   (block $compile_store.7
-    (global.set $bar_1115
-     (i32.const 0)
-    )
-    (block $do_backpatches.6
-    )
-   )
-   (block $compile_store.9
-    (local.set $7
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=16
-       (local.get $6)
-      )
-     )
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $compile_store.11
-    (local.set $8
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=20
-       (local.get $6)
-      )
-     )
-    )
-    (block $do_backpatches.10
-    )
-   )
-   (block $cleanup.12
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $6)
-     )
-    )
-   )
-   (drop
-    (block $compile_set.13 (result i32)
-     (global.set $bar_1115
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $8)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (global.get $bar_1115)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.14 (result i32)
-     (global.set $foo_1114
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $7)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (global.get $foo_1114)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (return_call $+_1125
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $+_1125)
-    )
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $foo_1114)
-    )
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $bar_1115)
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 643
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1125) (name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1125) (name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MRecord
+            ((immediate_desc (MImmConst (MConstI32 328294693)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1113)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((foo)
+              ((immediate_desc (MImmConst (MConstI32 4)))
+               (immediate_analyses ((last_usage Unknown)))))
+             ((bar)
+              ((immediate_desc (MImmConst (MConstI32 5)))
+               (immediate_analyses ((last_usage Unknown)))))
+             ((baz)
+              ((immediate_desc (MImmConst (MConstI32 6)))
+               (immediate_analyses ((last_usage Unknown)))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MGlobalBind foo_1114 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MGlobalBind bar_1115 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MRecordOp (MRecordGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MRecordOp (MRecordGet 1)
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MGlobalBind bar_1115 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MGlobalBind foo_1114 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func +_1125)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind +_1125 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc
+          (MIncRef
+           ((immediate_desc (MImmBinding (MGlobalBind foo_1114 Managed)))
+            (immediate_analyses ((last_usage Last))))))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc
+          (MIncRef
+           ((immediate_desc (MImmBinding (MGlobalBind bar_1115 Managed)))
+            (immediate_analyses ((last_usage Last))))))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 3) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals
+  ((((stamp 1115) (name bar)) true Managed ())
+   (((stamp 1114) (name foo)) true Managed ())))
+ (function_table_elements ())
+ (global_function_table_offset ((stamp 1126) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/records.a702778a.0.snapshot b/compiler/test/__snapshots__/records.a702778a.0.snapshot
index 2da4a3d91..ecbb85b4d 100644
--- a/compiler/test/__snapshots__/records.a702778a.0.snapshot
+++ b/compiler/test/__snapshots__/records.a702778a.0.snapshot
@@ -1,155 +1,57 @@
 records › record_get_multilevel
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (block $compile_block.11 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_record.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 24)
-        )
-       )
-       (i32.const 3)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 447924047)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2227)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 9)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 19)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_record.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 3)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1956346849)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2229)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (local.get $6)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.8
-    (local.set $8
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=16
-       (local.get $7)
-      )
-     )
-    )
-    (block $do_backpatches.7
-    )
-   )
-   (block $cleanup.9
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $7)
-     )
-    )
-   )
-   (tuple.extract 0
-    (tuple.make
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=20
-       (local.get $8)
-      )
-     )
-     (block $cleanup.10 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $8)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 682
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MRecord
+            ((immediate_desc (MImmConst (MConstI32 223962023)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1113)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((foo)
+              ((immediate_desc (MImmConst (MConstI32 4)))
+               (immediate_analyses ((last_usage Unknown)))))
+             ((bar)
+              ((immediate_desc (MImmConst (MConstI32 9)))
+               (immediate_analyses ((last_usage Unknown)))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MRecord
+            ((immediate_desc (MImmConst (MConstI32 978173424)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1114)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((baz)
+              ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+               (immediate_analyses ((last_usage Last)))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MRecordOp (MRecordGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MCleanup
+      (((instr_desc
+         (MRecordOp (MRecordGet 1)
+          ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+           (immediate_analyses ((last_usage Last))))))))
+      (((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 3) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1122) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/records.a9c472b1.0.snapshot b/compiler/test/__snapshots__/records.a9c472b1.0.snapshot
index 4cc32e711..f04e315e8 100644
--- a/compiler/test/__snapshots__/records.a9c472b1.0.snapshot
+++ b/compiler/test/__snapshots__/records.a9c472b1.0.snapshot
@@ -1,100 +1,28 @@
 records › record_multiple_fields_definition_trailing
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.5 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_string.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i64.store offset=8
-       (local.get $0)
-       (i64.const 7303010)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $allocate_record.4 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 28)
-      )
-     )
-     (i32.const 3)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 656589387)
-    )
-    (i32.store offset=8
-     (local.get $0)
-     (i32.const 2227)
-    )
-    (i32.store offset=12
-     (local.get $0)
-     (i32.const 3)
-    )
-    (i32.store offset=16
-     (local.get $0)
-     (i32.const 9)
-    )
-    (i32.store offset=20
-     (local.get $0)
-     (local.get $6)
-    )
-    (i32.store offset=24
-     (local.get $0)
-     (i32.const -2)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 2279
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed) ((instr_desc (MAllocate (MString boo)))))))))
+   ((instr_desc
+     (MAllocate
+      (MRecord
+       ((immediate_desc (MImmConst (MConstI32 328294693)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmConst (MConstI32 1113)))
+        (immediate_analyses ((last_usage Unknown))))
+       (((foo)
+         ((immediate_desc (MImmConst (MConstI32 4)))
+          (immediate_analyses ((last_usage Unknown)))))
+        ((bar)
+         ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+          (immediate_analyses ((last_usage Last)))))
+        ((baz)
+         ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+          (immediate_analyses ((last_usage Unknown))))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1117) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/records.b50d234d.0.snapshot b/compiler/test/__snapshots__/records.b50d234d.0.snapshot
index debc2f64e..58a84fd0c 100644
--- a/compiler/test/__snapshots__/records.b50d234d.0.snapshot
+++ b/compiler/test/__snapshots__/records.b50d234d.0.snapshot
@@ -1,95 +1,30 @@
 records › record_get_2
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.5 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_record.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 3)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1047233621)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2227)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 9)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (tuple.extract 0
-    (tuple.make
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=16
-       (local.get $6)
-      )
-     )
-     (block $cleanup.4 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $6)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 486
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MRecord
+            ((immediate_desc (MImmConst (MConstI32 523616810)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1113)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((foo)
+              ((immediate_desc (MImmConst (MConstI32 4)))
+               (immediate_analyses ((last_usage Unknown)))))))))))))))
+   ((instr_desc
+     (MCleanup
+      (((instr_desc
+         (MRecordOp (MRecordGet 0)
+          ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+           (immediate_analyses ((last_usage Last))))))))
+      (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1117) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/records.d34c4740.0.snapshot b/compiler/test/__snapshots__/records.d34c4740.0.snapshot
index 1dbe4be57..c4fcda791 100644
--- a/compiler/test/__snapshots__/records.d34c4740.0.snapshot
+++ b/compiler/test/__snapshots__/records.d34c4740.0.snapshot
@@ -1,69 +1,22 @@
 records › record_pun_mixed
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_record.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 24)
-      )
-     )
-     (i32.const 3)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 447924047)
-    )
-    (i32.store offset=8
-     (local.get $0)
-     (i32.const 2227)
-    )
-    (i32.store offset=12
-     (local.get $0)
-     (i32.const 2)
-    )
-    (i32.store offset=16
-     (local.get $0)
-     (i32.const 9)
-    )
-    (i32.store offset=20
-     (local.get $0)
-     (i32.const 2147483646)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 1648
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MAllocate
+      (MRecord
+       ((immediate_desc (MImmConst (MConstI32 223962023)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmConst (MConstI32 1113)))
+        (immediate_analyses ((last_usage Unknown))))
+       (((foo)
+         ((immediate_desc (MImmConst (MConstI32 4)))
+          (immediate_analyses ((last_usage Unknown)))))
+        ((bar)
+         ((immediate_desc (MImmConst (MConstLiteral (MConstI32 2147483646))))
+          (immediate_analyses ((last_usage Unknown))))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1117) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/records.d393173c.0.snapshot b/compiler/test/__snapshots__/records.d393173c.0.snapshot
index 983becb25..8b29b9c97 100644
--- a/compiler/test/__snapshots__/records.d393173c.0.snapshot
+++ b/compiler/test/__snapshots__/records.d393173c.0.snapshot
@@ -1,247 +1,154 @@
 records › record_destruct_trailing
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$+\" (global $+_1126 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"+\" (func $+_1126 (param i32 i32 i32) (result i32)))
- (global $bar_1115 (mut i32) (i32.const 0))
- (global $foo_1114 (mut i32) (i32.const 0))
- (global $baz_1116 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (block $compile_block.22
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_record.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 3)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 656589387)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2227)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 9)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (i32.const 13)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.5
-    (global.set $foo_1114
-     (i32.const 0)
-    )
-    (block $do_backpatches.4
-    )
-   )
-   (block $compile_store.7
-    (global.set $bar_1115
-     (i32.const 0)
-    )
-    (block $do_backpatches.6
-    )
-   )
-   (block $compile_store.9
-    (global.set $baz_1116
-     (i32.const 0)
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $compile_store.11
-    (local.set $7
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=16
-       (local.get $6)
-      )
-     )
-    )
-    (block $do_backpatches.10
-    )
-   )
-   (block $compile_store.13
-    (local.set $8
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=20
-       (local.get $6)
-      )
-     )
-    )
-    (block $do_backpatches.12
-    )
-   )
-   (block $compile_store.15
-    (local.set $9
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=24
-       (local.get $6)
-      )
-     )
-    )
-    (block $do_backpatches.14
-    )
-   )
-   (block $cleanup.16
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $6)
-     )
-    )
-   )
-   (drop
-    (block $compile_set.17 (result i32)
-     (global.set $baz_1116
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $9)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (global.get $baz_1116)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.18 (result i32)
-     (global.set $bar_1115
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $8)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (global.get $bar_1115)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.19 (result i32)
-     (global.set $foo_1114
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $7)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (global.get $foo_1114)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (block $compile_store.21
-    (local.set $10
-     (call $+_1126
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $+_1126)
-      )
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $foo_1114)
-      )
-      (call $incRef_0
-       (global.get $GRAIN$EXPORT$incRef_0)
-       (global.get $bar_1115)
-      )
-     )
-    )
-    (block $do_backpatches.20
-    )
-   )
-   (return_call $+_1126
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $+_1126)
-    )
-    (local.get $10)
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $baz_1116)
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 643
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1126) (name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1126) (name +))) (mimp_mod pervasives.gr) (mimp_name +)
+    (mimp_type (MGlobalImport Managed true)) (mimp_kind MImportGrain)
+    (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MRecord
+            ((immediate_desc (MImmConst (MConstI32 328294693)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1113)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((foo)
+              ((immediate_desc (MImmConst (MConstI32 4)))
+               (immediate_analyses ((last_usage Unknown)))))
+             ((bar)
+              ((immediate_desc (MImmConst (MConstI32 5)))
+               (immediate_analyses ((last_usage Unknown)))))
+             ((baz)
+              ((immediate_desc (MImmConst (MConstI32 6)))
+               (immediate_analyses ((last_usage Unknown)))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MGlobalBind foo_1114 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MGlobalBind bar_1115 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MGlobalBind baz_1116 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MRecordOp (MRecordGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MRecordOp (MRecordGet 1)
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MRecordOp (MRecordGet 2)
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MGlobalBind baz_1116 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MGlobalBind bar_1115 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MGlobalBind foo_1114 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 Managed)
+        ((instr_desc
+          (MCallKnown (func +_1126)
+           (closure
+            ((immediate_desc
+              (MIncRef
+               ((immediate_desc (MImmBinding (MGlobalBind +_1126 Managed)))
+                (immediate_analyses ((last_usage Unknown))))))
+             (immediate_analyses ((last_usage Unknown)))))
+           (func_type ((Managed Managed) (Managed)))
+           (args
+            (((immediate_desc
+               (MIncRef
+                ((immediate_desc
+                  (MImmBinding (MGlobalBind foo_1114 Managed)))
+                 (immediate_analyses ((last_usage Last))))))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc
+               (MIncRef
+                ((immediate_desc
+                  (MImmBinding (MGlobalBind bar_1115 Managed)))
+                 (immediate_analyses ((last_usage Last))))))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func +_1126)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind +_1126 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+         (immediate_analyses ((last_usage Last))))
+        ((immediate_desc
+          (MIncRef
+           ((immediate_desc (MImmBinding (MGlobalBind baz_1116 Managed)))
+            (immediate_analyses ((last_usage Last))))))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 5) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals
+  ((((stamp 1115) (name bar)) true Managed ())
+   (((stamp 1114) (name foo)) true Managed ())
+   (((stamp 1116) (name baz)) true Managed ())))
+ (function_table_elements ())
+ (global_function_table_offset ((stamp 1128) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/records.d44e8007.0.snapshot b/compiler/test/__snapshots__/records.d44e8007.0.snapshot
index e58a07ab5..a046d5547 100644
--- a/compiler/test/__snapshots__/records.d44e8007.0.snapshot
+++ b/compiler/test/__snapshots__/records.d44e8007.0.snapshot
@@ -1,69 +1,22 @@
 records › record_pun_mixed_2
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_record.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 24)
-      )
-     )
-     (i32.const 3)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 447924047)
-    )
-    (i32.store offset=8
-     (local.get $0)
-     (i32.const 2227)
-    )
-    (i32.store offset=12
-     (local.get $0)
-     (i32.const 2)
-    )
-    (i32.store offset=16
-     (local.get $0)
-     (i32.const 9)
-    )
-    (i32.store offset=20
-     (local.get $0)
-     (i32.const 2147483646)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 1660
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MAllocate
+      (MRecord
+       ((immediate_desc (MImmConst (MConstI32 223962023)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmConst (MConstI32 1113)))
+        (immediate_analyses ((last_usage Unknown))))
+       (((foo)
+         ((immediate_desc (MImmConst (MConstI32 4)))
+          (immediate_analyses ((last_usage Unknown)))))
+        ((bar)
+         ((immediate_desc (MImmConst (MConstLiteral (MConstI32 2147483646))))
+          (immediate_analyses ((last_usage Unknown))))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1117) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/records.e4326567.0.snapshot b/compiler/test/__snapshots__/records.e4326567.0.snapshot
index edabd34e9..a3733108b 100644
--- a/compiler/test/__snapshots__/records.e4326567.0.snapshot
+++ b/compiler/test/__snapshots__/records.e4326567.0.snapshot
@@ -1,100 +1,28 @@
 records › record_multiple_fields_both_trailing
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.5 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_string.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i64.store offset=8
-       (local.get $0)
-       (i64.const 7303010)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $allocate_record.4 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 28)
-      )
-     )
-     (i32.const 3)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 656589387)
-    )
-    (i32.store offset=8
-     (local.get $0)
-     (i32.const 2227)
-    )
-    (i32.store offset=12
-     (local.get $0)
-     (i32.const 3)
-    )
-    (i32.store offset=16
-     (local.get $0)
-     (i32.const 9)
-    )
-    (i32.store offset=20
-     (local.get $0)
-     (local.get $6)
-    )
-    (i32.store offset=24
-     (local.get $0)
-     (i32.const -2)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 2231
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed) ((instr_desc (MAllocate (MString boo)))))))))
+   ((instr_desc
+     (MAllocate
+      (MRecord
+       ((immediate_desc (MImmConst (MConstI32 328294693)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmConst (MConstI32 1113)))
+        (immediate_analyses ((last_usage Unknown))))
+       (((foo)
+         ((immediate_desc (MImmConst (MConstI32 4)))
+          (immediate_analyses ((last_usage Unknown)))))
+        ((bar)
+         ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+          (immediate_analyses ((last_usage Last)))))
+        ((baz)
+         ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+          (immediate_analyses ((last_usage Unknown))))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1117) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/records.e5b56da8.0.snapshot b/compiler/test/__snapshots__/records.e5b56da8.0.snapshot
index 312fe16b2..5e2e536e2 100644
--- a/compiler/test/__snapshots__/records.e5b56da8.0.snapshot
+++ b/compiler/test/__snapshots__/records.e5b56da8.0.snapshot
@@ -1,65 +1,19 @@
 records › record_both_trailing
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_record.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 20)
-      )
-     )
-     (i32.const 3)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 1047233621)
-    )
-    (i32.store offset=8
-     (local.get $0)
-     (i32.const 2227)
-    )
-    (i32.store offset=12
-     (local.get $0)
-     (i32.const 1)
-    )
-    (i32.store offset=16
-     (local.get $0)
-     (i32.const 9)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 1248
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MAllocate
+      (MRecord
+       ((immediate_desc (MImmConst (MConstI32 523616810)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmConst (MConstI32 1113)))
+        (immediate_analyses ((last_usage Unknown))))
+       (((foo)
+         ((immediate_desc (MImmConst (MConstI32 4)))
+          (immediate_analyses ((last_usage Unknown))))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1116) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/records.e705a980.0.snapshot b/compiler/test/__snapshots__/records.e705a980.0.snapshot
index 932be8528..b80468e2b 100644
--- a/compiler/test/__snapshots__/records.e705a980.0.snapshot
+++ b/compiler/test/__snapshots__/records.e705a980.0.snapshot
@@ -1,69 +1,22 @@
 records › record_pun_multiple
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_record.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 24)
-      )
-     )
-     (i32.const 3)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 447924047)
-    )
-    (i32.store offset=8
-     (local.get $0)
-     (i32.const 2227)
-    )
-    (i32.store offset=12
-     (local.get $0)
-     (i32.const 2)
-    )
-    (i32.store offset=16
-     (local.get $0)
-     (i32.const 9)
-    )
-    (i32.store offset=20
-     (local.get $0)
-     (i32.const 2147483646)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 1666
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MAllocate
+      (MRecord
+       ((immediate_desc (MImmConst (MConstI32 223962023)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmConst (MConstI32 1113)))
+        (immediate_analyses ((last_usage Unknown))))
+       (((foo)
+         ((immediate_desc (MImmConst (MConstI32 4)))
+          (immediate_analyses ((last_usage Unknown)))))
+        ((bar)
+         ((immediate_desc (MImmConst (MConstLiteral (MConstI32 2147483646))))
+          (immediate_analyses ((last_usage Unknown))))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1118) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/records.f6e43cdb.0.snapshot b/compiler/test/__snapshots__/records.f6e43cdb.0.snapshot
index 8a6e10a22..28930fb9c 100644
--- a/compiler/test/__snapshots__/records.f6e43cdb.0.snapshot
+++ b/compiler/test/__snapshots__/records.f6e43cdb.0.snapshot
@@ -1,69 +1,22 @@
 records › record_pun_multiple_trailing
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_record.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 24)
-      )
-     )
-     (i32.const 3)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 447924047)
-    )
-    (i32.store offset=8
-     (local.get $0)
-     (i32.const 2227)
-    )
-    (i32.store offset=12
-     (local.get $0)
-     (i32.const 2)
-    )
-    (i32.store offset=16
-     (local.get $0)
-     (i32.const 9)
-    )
-    (i32.store offset=20
-     (local.get $0)
-     (i32.const 2147483646)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 1720
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MAllocate
+      (MRecord
+       ((immediate_desc (MImmConst (MConstI32 223962023)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmConst (MConstI32 1113)))
+        (immediate_analyses ((last_usage Unknown))))
+       (((foo)
+         ((immediate_desc (MImmConst (MConstI32 4)))
+          (immediate_analyses ((last_usage Unknown)))))
+        ((bar)
+         ((immediate_desc (MImmConst (MConstLiteral (MConstI32 2147483646))))
+          (immediate_analyses ((last_usage Unknown))))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1118) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/records.f6feee77.0.snapshot b/compiler/test/__snapshots__/records.f6feee77.0.snapshot
index ed098ed63..41d4a77fa 100644
--- a/compiler/test/__snapshots__/records.f6feee77.0.snapshot
+++ b/compiler/test/__snapshots__/records.f6feee77.0.snapshot
@@ -1,100 +1,28 @@
 records › record_multiple_fields_value_trailing
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (block $compile_block.5 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_string.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i64.store offset=8
-       (local.get $0)
-       (i64.const 7303010)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $allocate_record.4 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 28)
-      )
-     )
-     (i32.const 3)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 656589387)
-    )
-    (i32.store offset=8
-     (local.get $0)
-     (i32.const 2227)
-    )
-    (i32.store offset=12
-     (local.get $0)
-     (i32.const 3)
-    )
-    (i32.store offset=16
-     (local.get $0)
-     (i32.const 9)
-    )
-    (i32.store offset=20
-     (local.get $0)
-     (local.get $6)
-    )
-    (i32.store offset=24
-     (local.get $0)
-     (i32.const -2)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 2239
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed) ((instr_desc (MAllocate (MString boo)))))))))
+   ((instr_desc
+     (MAllocate
+      (MRecord
+       ((immediate_desc (MImmConst (MConstI32 328294693)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmConst (MConstI32 1113)))
+        (immediate_analyses ((last_usage Unknown))))
+       (((foo)
+         ((immediate_desc (MImmConst (MConstI32 4)))
+          (immediate_analyses ((last_usage Unknown)))))
+        ((bar)
+         ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+          (immediate_analyses ((last_usage Last)))))
+        ((baz)
+         ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+          (immediate_analyses ((last_usage Unknown))))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 1) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1117) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/records.fae50a8e.0.snapshot b/compiler/test/__snapshots__/records.fae50a8e.0.snapshot
index 05099a271..be2a3b261 100644
--- a/compiler/test/__snapshots__/records.fae50a8e.0.snapshot
+++ b/compiler/test/__snapshots__/records.fae50a8e.0.snapshot
@@ -1,69 +1,22 @@
 records › record_pun_mixed_2_trailing
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_record.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 24)
-      )
-     )
-     (i32.const 3)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 447924047)
-    )
-    (i32.store offset=8
-     (local.get $0)
-     (i32.const 2227)
-    )
-    (i32.store offset=12
-     (local.get $0)
-     (i32.const 2)
-    )
-    (i32.store offset=16
-     (local.get $0)
-     (i32.const 9)
-    )
-    (i32.store offset=20
-     (local.get $0)
-     (i32.const 2147483646)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 1714
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MAllocate
+      (MRecord
+       ((immediate_desc (MImmConst (MConstI32 223962023)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmConst (MConstI32 1113)))
+        (immediate_analyses ((last_usage Unknown))))
+       (((foo)
+         ((immediate_desc (MImmConst (MConstI32 4)))
+          (immediate_analyses ((last_usage Unknown)))))
+        ((bar)
+         ((immediate_desc (MImmConst (MConstLiteral (MConstI32 2147483646))))
+          (immediate_analyses ((last_usage Unknown))))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1117) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/stdlib.179d20b9.0.snapshot b/compiler/test/__snapshots__/stdlib.179d20b9.0.snapshot
index 66b90f4c4..79a0d13d2 100644
--- a/compiler/test/__snapshots__/stdlib.179d20b9.0.snapshot
+++ b/compiler/test/__snapshots__/stdlib.179d20b9.0.snapshot
@@ -1,48 +1,34 @@
 stdlib › stdlib_equal_4
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$==\" (global $==_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"==\" (func $==_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $==_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $==_1113)
-    )
-    (i32.const 3)
-    (i32.const 3)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1113) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1113) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func ==_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind ==_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1116) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/stdlib.1c0b04b7.0.snapshot b/compiler/test/__snapshots__/stdlib.1c0b04b7.0.snapshot
index cedd34bb2..e7edb7170 100644
--- a/compiler/test/__snapshots__/stdlib.1c0b04b7.0.snapshot
+++ b/compiler/test/__snapshots__/stdlib.1c0b04b7.0.snapshot
@@ -1,190 +1,78 @@
 stdlib › stdlib_equal_20
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$==\" (global $==_1114 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"==\" (func $==_1114 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (block $compile_block.13
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_string.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i64.store offset=8
-       (local.get $0)
-       (i64.const 7303010)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_record.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 3)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 656589387)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2227)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 9)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (local.get $6)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (i32.const -2)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.9
-    (local.set $8
-     (block $allocate_string.7 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i64.store offset=8
-       (local.get $0)
-       (i64.const 7496034)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $compile_store.12
-    (local.set $9
-     (block $allocate_record.10 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 3)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 656589387)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2227)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 9)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (local.get $8)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (i32.const -2)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.11
-    )
-   )
-   (return_call $==_1114
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $==_1114)
-    )
-    (local.get $7)
-    (local.get $9)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 643
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1114) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1114) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed) ((instr_desc (MAllocate (MString boo)))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MRecord
+            ((immediate_desc (MImmConst (MConstI32 328294693)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1113)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((foo)
+              ((immediate_desc (MImmConst (MConstI32 4)))
+               (immediate_analyses ((last_usage Unknown)))))
+             ((bar)
+              ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+               (immediate_analyses ((last_usage Last)))))
+             ((baz)
+              ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+               (immediate_analyses ((last_usage Unknown)))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed) ((instr_desc (MAllocate (MString bar)))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MAllocate
+           (MRecord
+            ((immediate_desc (MImmConst (MConstI32 328294693)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1113)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((foo)
+              ((immediate_desc (MImmConst (MConstI32 4)))
+               (immediate_analyses ((last_usage Unknown)))))
+             ((bar)
+              ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+               (immediate_analyses ((last_usage Last)))))
+             ((baz)
+              ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+               (immediate_analyses ((last_usage Unknown)))))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func ==_1114)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind ==_1114 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+         (immediate_analyses ((last_usage Last))))
+        ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 4) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1121) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/stdlib.24cb9bbf.0.snapshot b/compiler/test/__snapshots__/stdlib.24cb9bbf.0.snapshot
index ec38f730b..27720634b 100644
--- a/compiler/test/__snapshots__/stdlib.24cb9bbf.0.snapshot
+++ b/compiler/test/__snapshots__/stdlib.24cb9bbf.0.snapshot
@@ -1,104 +1,42 @@
 stdlib › stdlib_equal_18
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$==\" (global $==_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"==\" (func $==_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.7
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_string.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 8)
-      )
-      (i64.store offset=8
-       (local.get $0)
-       (i64.const -9036296798633758874)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_string.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 8)
-      )
-      (i64.store offset=8
-       (local.get $0)
-       (i64.const -8891900135581192346)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (return_call $==_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $==_1113)
-    )
-    (local.get $6)
-    (local.get $7)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1113) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1113) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc (MAllocate (MString \"foo \\240\\159\\152\\130\")))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc (MAllocate (MString \"foo \\240\\159\\153\\132\")))))))))
+   ((instr_desc
+     (MReturnCallKnown (func ==_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind ==_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+         (immediate_analyses ((last_usage Last))))
+        ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 2) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1116) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/stdlib.323e410a.0.snapshot b/compiler/test/__snapshots__/stdlib.323e410a.0.snapshot
index 09a369e7e..ee9e992bc 100644
--- a/compiler/test/__snapshots__/stdlib.323e410a.0.snapshot
+++ b/compiler/test/__snapshots__/stdlib.323e410a.0.snapshot
@@ -1,130 +1,41 @@
 stdlib › stdlib_equal_1
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.8 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_tuple.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 5)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_tuple.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 5)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (tuple.extract 0
-    (tuple.make
-     (i32.or
-      (i32.shl
-       (i32.eq
-        (local.get $6)
-        (local.get $7)
-       )
-       (i32.const 31)
-      )
-      (i32.const 2147483646)
-     )
-     (block $cleanup.7 (result i32)
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $6)
-       )
-      )
-      (drop
-       (call $decRef_0
-        (global.get $GRAIN$EXPORT$decRef_0)
-        (local.get $7)
-       )
-      )
-      (i32.const 1879048190)
-     )
-    )
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MCleanup
+      (((instr_desc
+         (MPrim2 Is
+          ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+           (immediate_analyses ((last_usage Last))))
+          ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+           (immediate_analyses ((last_usage Last))))))))
+      (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 2) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1119) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/stdlib.37483d2d.0.snapshot b/compiler/test/__snapshots__/stdlib.37483d2d.0.snapshot
index 2581e25af..44360685d 100644
--- a/compiler/test/__snapshots__/stdlib.37483d2d.0.snapshot
+++ b/compiler/test/__snapshots__/stdlib.37483d2d.0.snapshot
@@ -1,194 +1,67 @@
 stdlib › stdlib_cons
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (block $compile_block.11 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_adt.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_adt.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $6)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.9
-    (local.set $8
-     (block $allocate_adt.7 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 5)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $7)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $allocate_adt.10 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 28)
-      )
-     )
-     (i32.const 2)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 1638603609)
-    )
-    (i32.store offset=8
-     (local.get $0)
-     (i32.const 11)
-    )
-    (i32.store offset=12
-     (local.get $0)
-     (i32.const 1)
-    )
-    (i32.store offset=16
-     (local.get $0)
-     (i32.const 2)
-    )
-    (i32.store offset=20
-     (local.get $0)
-     (i32.const 3)
-    )
-    (i32.store offset=24
-     (local.get $0)
-     (local.get $8)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MAllocate
+      (MADT
+       ((immediate_desc (MImmConst (MConstI32 819301804)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmConst (MConstI32 5)))
+        (immediate_analyses ((last_usage Unknown))))
+       ((immediate_desc (MImmConst (MConstI32 0)))
+        (immediate_analyses ((last_usage Unknown))))
+       (((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 3) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1120) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/stdlib.4a5061c2.0.snapshot b/compiler/test/__snapshots__/stdlib.4a5061c2.0.snapshot
index f83220a0c..582805e94 100644
--- a/compiler/test/__snapshots__/stdlib.4a5061c2.0.snapshot
+++ b/compiler/test/__snapshots__/stdlib.4a5061c2.0.snapshot
@@ -1,190 +1,78 @@
 stdlib › stdlib_equal_19
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$==\" (global $==_1114 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"==\" (func $==_1114 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (block $compile_block.13
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_string.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i64.store offset=8
-       (local.get $0)
-       (i64.const 7303010)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_record.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 3)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 656589387)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2227)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 9)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (local.get $6)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (i32.const -2)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.9
-    (local.set $8
-     (block $allocate_string.7 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i64.store offset=8
-       (local.get $0)
-       (i64.const 7303010)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $compile_store.12
-    (local.set $9
-     (block $allocate_record.10 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 3)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 656589387)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2227)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 9)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (local.get $8)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (i32.const -2)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.11
-    )
-   )
-   (return_call $==_1114
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $==_1114)
-    )
-    (local.get $7)
-    (local.get $9)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 643
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1114) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1114) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed) ((instr_desc (MAllocate (MString boo)))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MRecord
+            ((immediate_desc (MImmConst (MConstI32 328294693)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1113)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((foo)
+              ((immediate_desc (MImmConst (MConstI32 4)))
+               (immediate_analyses ((last_usage Unknown)))))
+             ((bar)
+              ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+               (immediate_analyses ((last_usage Last)))))
+             ((baz)
+              ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+               (immediate_analyses ((last_usage Unknown)))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed) ((instr_desc (MAllocate (MString boo)))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MAllocate
+           (MRecord
+            ((immediate_desc (MImmConst (MConstI32 328294693)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1113)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((foo)
+              ((immediate_desc (MImmConst (MConstI32 4)))
+               (immediate_analyses ((last_usage Unknown)))))
+             ((bar)
+              ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+               (immediate_analyses ((last_usage Last)))))
+             ((baz)
+              ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+               (immediate_analyses ((last_usage Unknown)))))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func ==_1114)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind ==_1114 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+         (immediate_analyses ((last_usage Last))))
+        ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 4) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1121) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/stdlib.5fe88631.0.snapshot b/compiler/test/__snapshots__/stdlib.5fe88631.0.snapshot
index 9c9c5dea1..a6fff3956 100644
--- a/compiler/test/__snapshots__/stdlib.5fe88631.0.snapshot
+++ b/compiler/test/__snapshots__/stdlib.5fe88631.0.snapshot
@@ -1,104 +1,40 @@
 stdlib › stdlib_equal_16
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$==\" (global $==_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"==\" (func $==_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.7
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_string.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i64.store offset=8
-       (local.get $0)
-       (i64.const 7303014)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_string.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i64.store offset=8
-       (local.get $0)
-       (i64.const 7303014)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (return_call $==_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $==_1113)
-    )
-    (local.get $6)
-    (local.get $7)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1113) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1113) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed) ((instr_desc (MAllocate (MString foo)))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed) ((instr_desc (MAllocate (MString foo)))))))))
+   ((instr_desc
+     (MReturnCallKnown (func ==_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind ==_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+         (immediate_analyses ((last_usage Last))))
+        ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 2) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1116) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/stdlib.648f406e.0.snapshot b/compiler/test/__snapshots__/stdlib.648f406e.0.snapshot
index 44eb181a1..0d4eee214 100644
--- a/compiler/test/__snapshots__/stdlib.648f406e.0.snapshot
+++ b/compiler/test/__snapshots__/stdlib.648f406e.0.snapshot
@@ -1,128 +1,62 @@
 stdlib › stdlib_equal_12
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$==\" (global $==_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"==\" (func $==_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.7
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_array.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 24)
-        )
-       )
-       (i32.const 4)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 4)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 5)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 9)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_array.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 24)
-        )
-       )
-       (i32.const 4)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 4)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 5)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 9)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (return_call $==_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $==_1113)
-    )
-    (local.get $6)
-    (local.get $7)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1113) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1113) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MArray
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 4)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MArray
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 4)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func ==_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind ==_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+         (immediate_analyses ((last_usage Last))))
+        ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 2) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1124) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/stdlib.69635cff.0.snapshot b/compiler/test/__snapshots__/stdlib.69635cff.0.snapshot
index 51ead1b95..605435af2 100644
--- a/compiler/test/__snapshots__/stdlib.69635cff.0.snapshot
+++ b/compiler/test/__snapshots__/stdlib.69635cff.0.snapshot
@@ -1,190 +1,78 @@
 stdlib › stdlib_equal_21
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$==\" (global $==_1114 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"==\" (func $==_1114 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (block $compile_block.13
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_string.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i64.store offset=8
-       (local.get $0)
-       (i64.const 7303010)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_record.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 3)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 656589387)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2227)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 9)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (local.get $6)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (i32.const -2)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.9
-    (local.set $8
-     (block $allocate_string.7 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i64.store offset=8
-       (local.get $0)
-       (i64.const 7303010)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $compile_store.12
-    (local.set $9
-     (block $allocate_record.10 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 3)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 656589387)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2227)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 157)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (local.get $8)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (i32.const -2)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.11
-    )
-   )
-   (return_call $==_1114
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $==_1114)
-    )
-    (local.get $7)
-    (local.get $9)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 643
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1114) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1114) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed) ((instr_desc (MAllocate (MString boo)))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MRecord
+            ((immediate_desc (MImmConst (MConstI32 328294693)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1113)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((foo)
+              ((immediate_desc (MImmConst (MConstI32 4)))
+               (immediate_analyses ((last_usage Unknown)))))
+             ((bar)
+              ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+               (immediate_analyses ((last_usage Last)))))
+             ((baz)
+              ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+               (immediate_analyses ((last_usage Unknown)))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed) ((instr_desc (MAllocate (MString boo)))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MAllocate
+           (MRecord
+            ((immediate_desc (MImmConst (MConstI32 328294693)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1113)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((foo)
+              ((immediate_desc (MImmConst (MConstI32 78)))
+               (immediate_analyses ((last_usage Unknown)))))
+             ((bar)
+              ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+               (immediate_analyses ((last_usage Last)))))
+             ((baz)
+              ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+               (immediate_analyses ((last_usage Unknown)))))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func ==_1114)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind ==_1114 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+         (immediate_analyses ((last_usage Last))))
+        ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 4) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1121) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/stdlib.6bf88430.0.snapshot b/compiler/test/__snapshots__/stdlib.6bf88430.0.snapshot
index 9fc3d8c01..b741f8f2e 100644
--- a/compiler/test/__snapshots__/stdlib.6bf88430.0.snapshot
+++ b/compiler/test/__snapshots__/stdlib.6bf88430.0.snapshot
@@ -1,100 +1,40 @@
 stdlib › stdlib_equal_15
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$==\" (global $==_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"==\" (func $==_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.7
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_string.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i64.store offset=8
-       (local.get $0)
-       (i64.const 102)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_string.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 8)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (return_call $==_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $==_1113)
-    )
-    (local.get $6)
-    (local.get $7)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1113) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1113) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed) ((instr_desc (MAllocate (MString f)))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed) ((instr_desc (MAllocate (MString \"\")))))))))
+   ((instr_desc
+     (MReturnCallKnown (func ==_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind ==_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+         (immediate_analyses ((last_usage Last))))
+        ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 2) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1116) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/stdlib.6de47be2.0.snapshot b/compiler/test/__snapshots__/stdlib.6de47be2.0.snapshot
index d157d5d81..333745fed 100644
--- a/compiler/test/__snapshots__/stdlib.6de47be2.0.snapshot
+++ b/compiler/test/__snapshots__/stdlib.6de47be2.0.snapshot
@@ -1,100 +1,40 @@
 stdlib › stdlib_equal_14
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$==\" (global $==_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"==\" (func $==_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.7
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_string.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i64.store offset=8
-       (local.get $0)
-       (i64.const 32)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_string.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 8)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (return_call $==_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $==_1113)
-    )
-    (local.get $6)
-    (local.get $7)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1113) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1113) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed) ((instr_desc (MAllocate (MString \" \")))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed) ((instr_desc (MAllocate (MString \"\")))))))))
+   ((instr_desc
+     (MReturnCallKnown (func ==_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind ==_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+         (immediate_analyses ((last_usage Last))))
+        ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 2) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1116) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/stdlib.8300ad7c.0.snapshot b/compiler/test/__snapshots__/stdlib.8300ad7c.0.snapshot
index cccebc51b..51672f1b2 100644
--- a/compiler/test/__snapshots__/stdlib.8300ad7c.0.snapshot
+++ b/compiler/test/__snapshots__/stdlib.8300ad7c.0.snapshot
@@ -1,378 +1,156 @@
 stdlib › stdlib_equal_3
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$==\" (global $==_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"==\" (func $==_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (local $13 i32)
-  (block $compile_block.25
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_adt.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_adt.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $6)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.9
-    (local.set $8
-     (block $allocate_adt.7 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 5)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $7)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $compile_store.12
-    (local.set $9
-     (block $allocate_adt.10 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $8)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.11
-    )
-   )
-   (block $compile_store.15
-    (local.set $10
-     (block $allocate_adt.13 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.14
-    )
-   )
-   (block $compile_store.18
-    (local.set $11
-     (block $allocate_adt.16 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $10)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.17
-    )
-   )
-   (block $compile_store.21
-    (local.set $12
-     (block $allocate_adt.19 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 5)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $11)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.20
-    )
-   )
-   (block $compile_store.24
-    (local.set $13
-     (block $allocate_adt.22 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 2)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1638603609)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 11)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (local.get $12)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.23
-    )
-   )
-   (return_call $==_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $==_1113)
-    )
-    (local.get $9)
-    (local.get $13)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1113) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1113) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1)))
+             (immediate_analyses ((last_usage Unknown))))
+            ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 5 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 6 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 7 Managed)
+        ((instr_desc
+          (MAllocate
+           (MADT
+            ((immediate_desc (MImmConst (MConstI32 819301804)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 5)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 0)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func ==_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind ==_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+         (immediate_analyses ((last_usage Last))))
+        ((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 8) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1128) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/stdlib.91a94037.0.snapshot b/compiler/test/__snapshots__/stdlib.91a94037.0.snapshot
index cdbdfc76a..7ec08b696 100644
--- a/compiler/test/__snapshots__/stdlib.91a94037.0.snapshot
+++ b/compiler/test/__snapshots__/stdlib.91a94037.0.snapshot
@@ -1,108 +1,52 @@
 stdlib › stdlib_equal_11
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$==\" (global $==_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"==\" (func $==_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.7
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_array.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 4)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 5)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_array.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 12)
-        )
-       )
-       (i32.const 4)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (return_call $==_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $==_1113)
-    )
-    (local.get $6)
-    (local.get $7)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1113) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1113) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MArray
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MArray
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func ==_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind ==_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+         (immediate_analyses ((last_usage Last))))
+        ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 2) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1119) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/stdlib.a70e79ca.0.snapshot b/compiler/test/__snapshots__/stdlib.a70e79ca.0.snapshot
index a11b7ab88..d7fc4a4c0 100644
--- a/compiler/test/__snapshots__/stdlib.a70e79ca.0.snapshot
+++ b/compiler/test/__snapshots__/stdlib.a70e79ca.0.snapshot
@@ -1,100 +1,45 @@
 stdlib › stdlib_equal_9
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$==\" (global $==_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"==\" (func $==_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.7
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_array.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 8)
-        )
-       )
-       (i32.const 4)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_array.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 12)
-        )
-       )
-       (i32.const 4)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (return_call $==_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $==_1113)
-    )
-    (local.get $6)
-    (local.get $7)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1113) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1113) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed) ((instr_desc (MAllocate (MArray ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MArray
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func ==_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind ==_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+         (immediate_analyses ((last_usage Last))))
+        ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 2) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1117) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/stdlib.b30d7785.0.snapshot b/compiler/test/__snapshots__/stdlib.b30d7785.0.snapshot
index 3ccae1ee7..c5e0ea094 100644
--- a/compiler/test/__snapshots__/stdlib.b30d7785.0.snapshot
+++ b/compiler/test/__snapshots__/stdlib.b30d7785.0.snapshot
@@ -1,112 +1,54 @@
 stdlib › stdlib_equal_2
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$==\" (global $==_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"==\" (func $==_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.7
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_tuple.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 5)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_tuple.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 5)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (return_call $==_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $==_1113)
-    )
-    (local.get $6)
-    (local.get $7)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1113) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1113) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func ==_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind ==_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+         (immediate_analyses ((last_usage Last))))
+        ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 2) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1120) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/stdlib.c09a513a.0.snapshot b/compiler/test/__snapshots__/stdlib.c09a513a.0.snapshot
index 90c01a2a8..d25adafe2 100644
--- a/compiler/test/__snapshots__/stdlib.c09a513a.0.snapshot
+++ b/compiler/test/__snapshots__/stdlib.c09a513a.0.snapshot
@@ -1,48 +1,35 @@
 stdlib › stdlib_equal_6
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$==\" (global $==_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"==\" (func $==_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $==_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $==_1113)
-    )
-    (i32.const -2)
-    (i32.const -2)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1113) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1113) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func ==_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind ==_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type
+       (((Unmanaged WasmI32) (Unmanaged WasmI32)) ((Unmanaged WasmI32))))
+      (args
+       (((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1114) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/stdlib.cbf0318e.0.snapshot b/compiler/test/__snapshots__/stdlib.cbf0318e.0.snapshot
index eacd026e8..19fdb44b4 100644
--- a/compiler/test/__snapshots__/stdlib.cbf0318e.0.snapshot
+++ b/compiler/test/__snapshots__/stdlib.cbf0318e.0.snapshot
@@ -1,190 +1,79 @@
 stdlib › stdlib_equal_22
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$==\" (global $==_1114 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"==\" (func $==_1114 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (block $compile_block.13
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_string.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i64.store offset=8
-       (local.get $0)
-       (i64.const 7303010)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_record.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 3)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 656589387)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2227)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 9)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (local.get $6)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (i32.const -2)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.9
-    (local.set $8
-     (block $allocate_string.7 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i64.store offset=8
-       (local.get $0)
-       (i64.const 7303010)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $compile_store.12
-    (local.set $9
-     (block $allocate_record.10 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 28)
-        )
-       )
-       (i32.const 3)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 656589387)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 2227)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 9)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (local.get $8)
-      )
-      (i32.store offset=24
-       (local.get $0)
-       (i32.const 2147483646)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.11
-    )
-   )
-   (return_call $==_1114
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $==_1114)
-    )
-    (local.get $7)
-    (local.get $9)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 643
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1114) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1114) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed) ((instr_desc (MAllocate (MString boo)))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MRecord
+            ((immediate_desc (MImmConst (MConstI32 328294693)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1113)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((foo)
+              ((immediate_desc (MImmConst (MConstI32 4)))
+               (immediate_analyses ((last_usage Unknown)))))
+             ((bar)
+              ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+               (immediate_analyses ((last_usage Last)))))
+             ((baz)
+              ((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+               (immediate_analyses ((last_usage Unknown)))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed) ((instr_desc (MAllocate (MString boo)))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MAllocate
+           (MRecord
+            ((immediate_desc (MImmConst (MConstI32 328294693)))
+             (immediate_analyses ((last_usage Unknown))))
+            ((immediate_desc (MImmConst (MConstI32 1113)))
+             (immediate_analyses ((last_usage Unknown))))
+            (((foo)
+              ((immediate_desc (MImmConst (MConstI32 4)))
+               (immediate_analyses ((last_usage Unknown)))))
+             ((bar)
+              ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+               (immediate_analyses ((last_usage Last)))))
+             ((baz)
+              ((immediate_desc
+                (MImmConst (MConstLiteral (MConstI32 2147483646))))
+               (immediate_analyses ((last_usage Unknown)))))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func ==_1114)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind ==_1114 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+         (immediate_analyses ((last_usage Last))))
+        ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 4) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1121) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/stdlib.d28dee65.0.snapshot b/compiler/test/__snapshots__/stdlib.d28dee65.0.snapshot
index 3f42a7ba6..20aff6826 100644
--- a/compiler/test/__snapshots__/stdlib.d28dee65.0.snapshot
+++ b/compiler/test/__snapshots__/stdlib.d28dee65.0.snapshot
@@ -1,104 +1,50 @@
 stdlib › stdlib_equal_10
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$==\" (global $==_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"==\" (func $==_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.7
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_array.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 12)
-        )
-       )
-       (i32.const 4)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_array.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 12)
-        )
-       )
-       (i32.const 4)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 1)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (return_call $==_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $==_1113)
-    )
-    (local.get $6)
-    (local.get $7)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1113) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1113) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MArray
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MArray
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MReturnCallKnown (func ==_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind ==_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+         (immediate_analyses ((last_usage Last))))
+        ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 2) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1118) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/stdlib.d4faa5bf.0.snapshot b/compiler/test/__snapshots__/stdlib.d4faa5bf.0.snapshot
index 7791c712b..58015d232 100644
--- a/compiler/test/__snapshots__/stdlib.d4faa5bf.0.snapshot
+++ b/compiler/test/__snapshots__/stdlib.d4faa5bf.0.snapshot
@@ -1,96 +1,40 @@
 stdlib › stdlib_equal_13
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$==\" (global $==_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"==\" (func $==_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.7
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_string.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 8)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_string.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 8)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (return_call $==_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $==_1113)
-    )
-    (local.get $6)
-    (local.get $7)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1113) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1113) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed) ((instr_desc (MAllocate (MString \"\")))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed) ((instr_desc (MAllocate (MString \"\")))))))))
+   ((instr_desc
+     (MReturnCallKnown (func ==_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind ==_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+         (immediate_analyses ((last_usage Last))))
+        ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 2) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1116) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/stdlib.d887bb04.0.snapshot b/compiler/test/__snapshots__/stdlib.d887bb04.0.snapshot
index 4b35e0581..ea2c8cb84 100644
--- a/compiler/test/__snapshots__/stdlib.d887bb04.0.snapshot
+++ b/compiler/test/__snapshots__/stdlib.d887bb04.0.snapshot
@@ -1,48 +1,35 @@
 stdlib › stdlib_equal_7
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$==\" (global $==_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"==\" (func $==_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $==_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $==_1113)
-    )
-    (i32.const -2)
-    (i32.const 2147483646)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1113) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1113) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func ==_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind ==_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type
+       (((Unmanaged WasmI32) (Unmanaged WasmI32)) ((Unmanaged WasmI32))))
+      (args
+       (((immediate_desc (MImmConst (MConstLiteral (MConstI32 -2))))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstLiteral (MConstI32 2147483646))))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1114) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/stdlib.dae8b12a.0.snapshot b/compiler/test/__snapshots__/stdlib.dae8b12a.0.snapshot
index 182200a61..d78f70b6b 100644
--- a/compiler/test/__snapshots__/stdlib.dae8b12a.0.snapshot
+++ b/compiler/test/__snapshots__/stdlib.dae8b12a.0.snapshot
@@ -1,48 +1,34 @@
 stdlib › stdlib_equal_5
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$==\" (global $==_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"==\" (func $==_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1
-   (return_call $==_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $==_1113)
-    )
-    (i32.const 3)
-    (i32.const 5)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1113) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1113) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MReturnCallKnown (func ==_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind ==_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+      (args
+       (((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 2)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1116) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/stdlib.e306600a.0.snapshot b/compiler/test/__snapshots__/stdlib.e306600a.0.snapshot
index b78f955ff..fe63af8b7 100644
--- a/compiler/test/__snapshots__/stdlib.e306600a.0.snapshot
+++ b/compiler/test/__snapshots__/stdlib.e306600a.0.snapshot
@@ -1,96 +1,40 @@
 stdlib › stdlib_equal_8
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$==\" (global $==_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"==\" (func $==_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.7
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_array.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 8)
-        )
-       )
-       (i32.const 4)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_array.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 8)
-        )
-       )
-       (i32.const 4)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 0)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (return_call $==_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $==_1113)
-    )
-    (local.get $6)
-    (local.get $7)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1113) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1113) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed) ((instr_desc (MAllocate (MArray ())))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed) ((instr_desc (MAllocate (MArray ())))))))))
+   ((instr_desc
+     (MReturnCallKnown (func ==_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind ==_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+         (immediate_analyses ((last_usage Last))))
+        ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 2) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1116) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/stdlib.e6349872.0.snapshot b/compiler/test/__snapshots__/stdlib.e6349872.0.snapshot
index 106abb642..d5a827836 100644
--- a/compiler/test/__snapshots__/stdlib.e6349872.0.snapshot
+++ b/compiler/test/__snapshots__/stdlib.e6349872.0.snapshot
@@ -1,104 +1,42 @@
 stdlib › stdlib_equal_17
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$==\" (global $==_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"==\" (func $==_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.7
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_string.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 8)
-      )
-      (i64.store offset=8
-       (local.get $0)
-       (i64.const -9036296798633758874)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_string.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 8)
-      )
-      (i64.store offset=8
-       (local.get $0)
-       (i64.const -9036296798633758874)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (return_call $==_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $==_1113)
-    )
-    (local.get $6)
-    (local.get $7)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1113) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1113) (name ==))) (mimp_mod pervasives.gr)
+    (mimp_name ==) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc (MAllocate (MString \"foo \\240\\159\\152\\130\")))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc (MAllocate (MString \"foo \\240\\159\\152\\130\")))))))))
+   ((instr_desc
+     (MReturnCallKnown (func ==_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind ==_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) ((Unmanaged WasmI32))))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+         (immediate_analyses ((last_usage Last))))
+        ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 2) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1116) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/strings.434adad0.0.snapshot b/compiler/test/__snapshots__/strings.434adad0.0.snapshot
index 7cd70f853..48ae29518 100644
--- a/compiler/test/__snapshots__/strings.434adad0.0.snapshot
+++ b/compiler/test/__snapshots__/strings.434adad0.0.snapshot
@@ -1,57 +1,9 @@
 strings › string2
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_string.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 16)
-      )
-     )
-     (i32.const 1)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 4)
-    )
-    (i64.store offset=8
-     (local.get $0)
-     (i64.const 2945622000)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body (((instr_desc (MAllocate (MString \"\\240\\159\\146\\175\"))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1114) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/strings.a67428df.0.snapshot b/compiler/test/__snapshots__/strings.a67428df.0.snapshot
index efb0c5357..a2edd33aa 100644
--- a/compiler/test/__snapshots__/strings.a67428df.0.snapshot
+++ b/compiler/test/__snapshots__/strings.a67428df.0.snapshot
@@ -1,57 +1,9 @@
 strings › string1
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_string.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 16)
-      )
-     )
-     (i32.const 1)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 3)
-    )
-    (i64.store offset=8
-     (local.get $0)
-     (i64.const 7303014)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body (((instr_desc (MAllocate (MString foo))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1114) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/strings.b2ad5a89.0.snapshot b/compiler/test/__snapshots__/strings.b2ad5a89.0.snapshot
index 40504cc52..faa092d40 100644
--- a/compiler/test/__snapshots__/strings.b2ad5a89.0.snapshot
+++ b/compiler/test/__snapshots__/strings.b2ad5a89.0.snapshot
@@ -1,73 +1,10 @@
 strings › string3
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_string.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 48)
-      )
-     )
-     (i32.const 1)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 36)
-    )
-    (i64.store offset=8
-     (local.get $0)
-     (i64.const 7863398673301594477)
-    )
-    (i64.store offset=16
-     (local.get $0)
-     (i64.const 8026576141579395193)
-    )
-    (i64.store offset=24
-     (local.get $0)
-     (i64.const 2318349367439027831)
-    )
-    (i64.store offset=32
-     (local.get $0)
-     (i64.const 2334956330867777911)
-    )
-    (i64.store offset=40
-     (local.get $0)
-     (i64.const 1953718630)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc (MAllocate (MString \"making my way downtown, walking fast\"))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1114) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/strings.fb85549f.0.snapshot b/compiler/test/__snapshots__/strings.fb85549f.0.snapshot
index 53992937e..5fa56d772 100644
--- a/compiler/test/__snapshots__/strings.fb85549f.0.snapshot
+++ b/compiler/test/__snapshots__/strings.fb85549f.0.snapshot
@@ -1,104 +1,40 @@
 strings › concat
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_i32_=>_i32 (func (param i32 i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"GRAIN$EXPORT$++\" (global $++_1113 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$pervasives.gr\" \"++\" (func $++_1113 (param i32 i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (block $compile_block.7
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_string.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i64.store offset=8
-       (local.get $0)
-       (i64.const 7303014)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_string.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 1)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i64.store offset=8
-       (local.get $0)
-       (i64.const 7496034)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (return_call $++_1113
-    (call $incRef_0
-     (global.get $GRAIN$EXPORT$incRef_0)
-     (global.get $++_1113)
-    )
-    (local.get $6)
-    (local.get $7)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ())
+ (imports
+  (((mimp_id ((stamp 1113) (name ++))) (mimp_mod pervasives.gr)
+    (mimp_name ++)
+    (mimp_type
+     (MFuncImport (Managed (Unmanaged WasmI32) (Unmanaged WasmI32))
+      ((Unmanaged WasmI32))))
+    (mimp_kind MImportGrain) (mimp_setup MSetupNone) (mimp_used true))
+   ((mimp_id ((stamp 1113) (name ++))) (mimp_mod pervasives.gr)
+    (mimp_name ++) (mimp_type (MGlobalImport Managed true))
+    (mimp_kind MImportGrain) (mimp_setup MCallGetter) (mimp_used true))))
+ (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed) ((instr_desc (MAllocate (MString foo)))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed) ((instr_desc (MAllocate (MString bar)))))))))
+   ((instr_desc
+     (MReturnCallKnown (func ++_1113)
+      (closure
+       ((immediate_desc
+         (MIncRef
+          ((immediate_desc (MImmBinding (MGlobalBind ++_1113 Managed)))
+           (immediate_analyses ((last_usage Last))))))
+        (immediate_analyses ((last_usage Unknown)))))
+      (func_type ((Managed Managed) (Managed)))
+      (args
+       (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+         (immediate_analyses ((last_usage Last))))
+        ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+         (immediate_analyses ((last_usage Last)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 2) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1116) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/tuples.1451773e.0.snapshot b/compiler/test/__snapshots__/tuples.1451773e.0.snapshot
index a614ea782..8f9686480 100644
--- a/compiler/test/__snapshots__/tuples.1451773e.0.snapshot
+++ b/compiler/test/__snapshots__/tuples.1451773e.0.snapshot
@@ -1,322 +1,154 @@
 tuples › nested_tup_3
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (global $b_1116 (mut i32) (i32.const 0))
- (global $a_1115 (mut i32) (i32.const 0))
- (global $y_1114 (mut i32) (i32.const 0))
- (global $x_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (local $13 i32)
-  (block $compile_block.34 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_tuple.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 5)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_tuple.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 9)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.9
-    (local.set $8
-     (block $allocate_tuple.7 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (local.get $6)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (local.get $7)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $compile_store.11
-    (global.set $x_1113
-     (i32.const 0)
-    )
-    (block $do_backpatches.10
-    )
-   )
-   (block $compile_store.13
-    (global.set $y_1114
-     (i32.const 0)
-    )
-    (block $do_backpatches.12
-    )
-   )
-   (block $compile_store.15
-    (local.set $9
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (local.get $8)
-      )
-     )
-    )
-    (block $do_backpatches.14
-    )
-   )
-   (block $compile_store.17
-    (local.set $10
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=12
-       (local.get $8)
-      )
-     )
-    )
-    (block $do_backpatches.16
-    )
-   )
-   (block $cleanup.18
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $8)
-     )
-    )
-   )
-   (drop
-    (block $compile_set.19 (result i32)
-     (global.set $y_1114
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $10)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (global.get $y_1114)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.20 (result i32)
-     (global.set $x_1113
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $9)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (global.get $x_1113)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (block $compile_store.22
-    (local.set $11
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (global.get $y_1114)
-     )
-    )
-    (block $do_backpatches.21
-    )
-   )
-   (block $compile_store.24
-    (global.set $a_1115
-     (i32.const 0)
-    )
-    (block $do_backpatches.23
-    )
-   )
-   (block $compile_store.26
-    (global.set $b_1116
-     (i32.const 0)
-    )
-    (block $do_backpatches.25
-    )
-   )
-   (block $compile_store.28
-    (local.set $12
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (local.get $11)
-      )
-     )
-    )
-    (block $do_backpatches.27
-    )
-   )
-   (block $compile_store.30
-    (local.set $13
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=12
-       (local.get $11)
-      )
-     )
-    )
-    (block $do_backpatches.29
-    )
-   )
-   (block $cleanup.31
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $11)
-     )
-    )
-   )
-   (drop
-    (block $compile_set.32 (result i32)
-     (global.set $b_1116
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $13)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (global.get $b_1116)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.33 (result i32)
-     (global.set $a_1115
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $12)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (global.get $a_1115)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (global.get $a_1115)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 4)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))
+             ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MGlobalBind x_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MGlobalBind y_1114 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 1)
+           ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MGlobalBind y_1114 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MGlobalBind x_1113 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 5 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc
+             (MIncRef
+              ((immediate_desc (MImmBinding (MGlobalBind y_1114 Managed)))
+               (immediate_analyses ((last_usage Last))))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MGlobalBind a_1115 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MGlobalBind b_1116 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 6 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 7 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 1)
+           ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MGlobalBind b_1116 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MGlobalBind a_1115 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmBinding (MGlobalBind a_1115 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 8) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals
+  ((((stamp 1116) (name b)) true Managed ())
+   (((stamp 1115) (name a)) true Managed ())
+   (((stamp 1114) (name y)) true Managed ())
+   (((stamp 1113) (name x)) true Managed ())))
+ (function_table_elements ())
+ (global_function_table_offset ((stamp 1131) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/tuples.1d60b40c.0.snapshot b/compiler/test/__snapshots__/tuples.1d60b40c.0.snapshot
index 511917541..8b89cd814 100644
--- a/compiler/test/__snapshots__/tuples.1d60b40c.0.snapshot
+++ b/compiler/test/__snapshots__/tuples.1d60b40c.0.snapshot
@@ -1,223 +1,94 @@
 tuples › nested_tup_1
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (global $b_1114 (mut i32) (i32.const 0))
- (global $a_1113 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (block $compile_block.21 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_tuple.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 5)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_tuple.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 9)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.9
-    (local.set $8
-     (block $allocate_tuple.7 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (local.get $6)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (local.get $7)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $compile_store.11
-    (global.set $a_1113
-     (i32.const 0)
-    )
-    (block $do_backpatches.10
-    )
-   )
-   (block $compile_store.13
-    (global.set $b_1114
-     (i32.const 0)
-    )
-    (block $do_backpatches.12
-    )
-   )
-   (block $compile_store.15
-    (local.set $9
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (local.get $8)
-      )
-     )
-    )
-    (block $do_backpatches.14
-    )
-   )
-   (block $compile_store.17
-    (local.set $10
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=12
-       (local.get $8)
-      )
-     )
-    )
-    (block $do_backpatches.16
-    )
-   )
-   (block $cleanup.18
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $8)
-     )
-    )
-   )
-   (drop
-    (block $compile_set.19 (result i32)
-     (global.set $b_1114
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $10)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (global.get $b_1114)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.20 (result i32)
-     (global.set $a_1113
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $9)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (global.get $a_1113)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (global.get $a_1113)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 4)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))
+             ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MGlobalBind a_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MGlobalBind b_1114 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 1)
+           ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MGlobalBind b_1114 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MGlobalBind a_1113 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmBinding (MGlobalBind a_1113 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 5) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals
+  ((((stamp 1114) (name b)) true Managed ())
+   (((stamp 1113) (name a)) true Managed ())))
+ (function_table_elements ())
+ (global_function_table_offset ((stamp 1125) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/tuples.2c91b91d.0.snapshot b/compiler/test/__snapshots__/tuples.2c91b91d.0.snapshot
index 2de95ddb6..f892a7921 100644
--- a/compiler/test/__snapshots__/tuples.2c91b91d.0.snapshot
+++ b/compiler/test/__snapshots__/tuples.2c91b91d.0.snapshot
@@ -1,205 +1,99 @@
 tuples › tup1_destruct_trailing
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (global $a_1113 (mut i32) (i32.const 0))
- (global $c_1115 (mut i32) (i32.const 0))
- (global $b_1114 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (block $compile_block.20 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_tuple.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 20)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 5)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 7)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.5
-    (global.set $a_1113
-     (i32.const 0)
-    )
-    (block $do_backpatches.4
-    )
-   )
-   (block $compile_store.7
-    (global.set $b_1114
-     (i32.const 0)
-    )
-    (block $do_backpatches.6
-    )
-   )
-   (block $compile_store.9
-    (global.set $c_1115
-     (i32.const 0)
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $compile_store.11
-    (local.set $7
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (local.get $6)
-      )
-     )
-    )
-    (block $do_backpatches.10
-    )
-   )
-   (block $compile_store.13
-    (local.set $8
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=12
-       (local.get $6)
-      )
-     )
-    )
-    (block $do_backpatches.12
-    )
-   )
-   (block $compile_store.15
-    (local.set $9
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=16
-       (local.get $6)
-      )
-     )
-    )
-    (block $do_backpatches.14
-    )
-   )
-   (block $cleanup.16
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $6)
-     )
-    )
-   )
-   (drop
-    (block $compile_set.17 (result i32)
-     (global.set $c_1115
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $9)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (global.get $c_1115)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.18 (result i32)
-     (global.set $b_1114
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $8)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (global.get $b_1114)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.19 (result i32)
-     (global.set $a_1113
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $7)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (global.get $a_1113)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (i32.const 1)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MGlobalBind a_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MGlobalBind b_1114 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MGlobalBind c_1115 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 1)
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 2)
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MGlobalBind c_1115 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MGlobalBind b_1114 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MGlobalBind a_1113 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstI32 0)))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 4) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals
+  ((((stamp 1113) (name a)) true Managed ())
+   (((stamp 1115) (name c)) true Managed ())
+   (((stamp 1114) (name b)) true Managed ())))
+ (function_table_elements ())
+ (global_function_table_offset ((stamp 1124) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/tuples.8d1f0463.0.snapshot b/compiler/test/__snapshots__/tuples.8d1f0463.0.snapshot
index 93890627e..899941523 100644
--- a/compiler/test/__snapshots__/tuples.8d1f0463.0.snapshot
+++ b/compiler/test/__snapshots__/tuples.8d1f0463.0.snapshot
@@ -1,65 +1,18 @@
 tuples › tup1_trailing
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_tuple.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 20)
-      )
-     )
-     (i32.const 7)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 3)
-    )
-    (i32.store offset=8
-     (local.get $0)
-     (i32.const 3)
-    )
-    (i32.store offset=12
-     (local.get $0)
-     (i32.const 5)
-    )
-    (i32.store offset=16
-     (local.get $0)
-     (i32.const 7)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MAllocate
+      (MTuple
+       (((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 2)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 3)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1116) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/tuples.a34621a0.0.snapshot b/compiler/test/__snapshots__/tuples.a34621a0.0.snapshot
index fa6830fda..0357ba126 100644
--- a/compiler/test/__snapshots__/tuples.a34621a0.0.snapshot
+++ b/compiler/test/__snapshots__/tuples.a34621a0.0.snapshot
@@ -1,249 +1,124 @@
 tuples › big_tup_access
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (global $a_1113 (mut i32) (i32.const 0))
- (global $d_1116 (mut i32) (i32.const 0))
- (global $c_1115 (mut i32) (i32.const 0))
- (global $b_1114 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (block $compile_block.25 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_tuple.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 24)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 4)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 5)
-      )
-      (i32.store offset=16
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=20
-       (local.get $0)
-       (i32.const 9)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.5
-    (global.set $a_1113
-     (i32.const 0)
-    )
-    (block $do_backpatches.4
-    )
-   )
-   (block $compile_store.7
-    (global.set $b_1114
-     (i32.const 0)
-    )
-    (block $do_backpatches.6
-    )
-   )
-   (block $compile_store.9
-    (global.set $c_1115
-     (i32.const 0)
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $compile_store.11
-    (global.set $d_1116
-     (i32.const 0)
-    )
-    (block $do_backpatches.10
-    )
-   )
-   (block $compile_store.13
-    (local.set $7
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (local.get $6)
-      )
-     )
-    )
-    (block $do_backpatches.12
-    )
-   )
-   (block $compile_store.15
-    (local.set $8
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=12
-       (local.get $6)
-      )
-     )
-    )
-    (block $do_backpatches.14
-    )
-   )
-   (block $compile_store.17
-    (local.set $9
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=16
-       (local.get $6)
-      )
-     )
-    )
-    (block $do_backpatches.16
-    )
-   )
-   (block $compile_store.19
-    (local.set $10
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=20
-       (local.get $6)
-      )
-     )
-    )
-    (block $do_backpatches.18
-    )
-   )
-   (block $cleanup.20
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $6)
-     )
-    )
-   )
-   (drop
-    (block $compile_set.21 (result i32)
-     (global.set $d_1116
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $10)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (global.get $d_1116)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.22 (result i32)
-     (global.set $c_1115
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $9)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (global.get $c_1115)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.23 (result i32)
-     (global.set $b_1114
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $8)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (global.get $b_1114)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.24 (result i32)
-     (global.set $a_1113
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $7)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (global.get $a_1113)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (global.get $c_1115)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 4)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MGlobalBind a_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MGlobalBind b_1114 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MGlobalBind c_1115 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MGlobalBind d_1116 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 1)
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 2)
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 3)
+           ((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MGlobalBind d_1116 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MGlobalBind c_1115 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MGlobalBind b_1114 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MGlobalBind a_1113 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmBinding (MGlobalBind c_1115 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 5) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals
+  ((((stamp 1113) (name a)) true Managed ())
+   (((stamp 1116) (name d)) true Managed ())
+   (((stamp 1115) (name c)) true Managed ())
+   (((stamp 1114) (name b)) true Managed ())))
+ (function_table_elements ())
+ (global_function_table_offset ((stamp 1127) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/tuples.b4f702d8.0.snapshot b/compiler/test/__snapshots__/tuples.b4f702d8.0.snapshot
index 332d91f8e..77a9daad7 100644
--- a/compiler/test/__snapshots__/tuples.b4f702d8.0.snapshot
+++ b/compiler/test/__snapshots__/tuples.b4f702d8.0.snapshot
@@ -1,35 +1,13 @@
 tuples › no_non_trailing_comma_singleton_tup
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.1 (result i32)
-   (i32.const 3)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmConst (MConstI32 1)))
+       (immediate_analyses ((last_usage Unknown)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1114) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/tuples.c1eb0a50.0.snapshot b/compiler/test/__snapshots__/tuples.c1eb0a50.0.snapshot
index 29f8fc8d6..9ab54346a 100644
--- a/compiler/test/__snapshots__/tuples.c1eb0a50.0.snapshot
+++ b/compiler/test/__snapshots__/tuples.c1eb0a50.0.snapshot
@@ -1,322 +1,154 @@
 tuples › nested_tup_2
-(module
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$incRef\" (global $GRAIN$EXPORT$incRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$decRef\" (global $GRAIN$EXPORT$decRef_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"incRef\" (func $incRef_0 (param i32 i32) (result i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"decRef\" (func $decRef_0 (param i32 i32) (result i32)))
- (global $a_1113 (mut i32) (i32.const 0))
- (global $d_1116 (mut i32) (i32.const 0))
- (global $c_1115 (mut i32) (i32.const 0))
- (global $b_1114 (mut i32) (i32.const 0))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (local $6 i32)
-  (local $7 i32)
-  (local $8 i32)
-  (local $9 i32)
-  (local $10 i32)
-  (local $11 i32)
-  (local $12 i32)
-  (local $13 i32)
-  (block $compile_block.34 (result i32)
-   (block $compile_store.3
-    (local.set $6
-     (block $allocate_tuple.1 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 3)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 5)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.2
-    )
-   )
-   (block $compile_store.6
-    (local.set $7
-     (block $allocate_tuple.4 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (i32.const 7)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (i32.const 9)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.5
-    )
-   )
-   (block $compile_store.9
-    (local.set $8
-     (block $allocate_tuple.7 (result i32)
-      (i32.store
-       (local.tee $0
-        (call $malloc_0
-         (global.get $GRAIN$EXPORT$malloc_0)
-         (i32.const 16)
-        )
-       )
-       (i32.const 7)
-      )
-      (i32.store offset=4
-       (local.get $0)
-       (i32.const 2)
-      )
-      (i32.store offset=8
-       (local.get $0)
-       (local.get $6)
-      )
-      (i32.store offset=12
-       (local.get $0)
-       (local.get $7)
-      )
-      (local.get $0)
-     )
-    )
-    (block $do_backpatches.8
-    )
-   )
-   (block $compile_store.11
-    (global.set $a_1113
-     (i32.const 0)
-    )
-    (block $do_backpatches.10
-    )
-   )
-   (block $compile_store.13
-    (global.set $b_1114
-     (i32.const 0)
-    )
-    (block $do_backpatches.12
-    )
-   )
-   (block $compile_store.15
-    (local.set $9
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (local.get $8)
-      )
-     )
-    )
-    (block $do_backpatches.14
-    )
-   )
-   (block $compile_store.17
-    (local.set $10
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=12
-       (local.get $8)
-      )
-     )
-    )
-    (block $do_backpatches.16
-    )
-   )
-   (block $cleanup.18
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $8)
-     )
-    )
-   )
-   (drop
-    (block $compile_set.19 (result i32)
-     (global.set $b_1114
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $10)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (global.get $b_1114)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.20 (result i32)
-     (global.set $a_1113
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $9)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (global.get $a_1113)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (block $compile_store.22
-    (local.set $11
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (global.get $b_1114)
-     )
-    )
-    (block $do_backpatches.21
-    )
-   )
-   (block $compile_store.24
-    (global.set $c_1115
-     (i32.const 0)
-    )
-    (block $do_backpatches.23
-    )
-   )
-   (block $compile_store.26
-    (global.set $d_1116
-     (i32.const 0)
-    )
-    (block $do_backpatches.25
-    )
-   )
-   (block $compile_store.28
-    (local.set $12
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=8
-       (local.get $11)
-      )
-     )
-    )
-    (block $do_backpatches.27
-    )
-   )
-   (block $compile_store.30
-    (local.set $13
-     (call $incRef_0
-      (global.get $GRAIN$EXPORT$incRef_0)
-      (i32.load offset=12
-       (local.get $11)
-      )
-     )
-    )
-    (block $do_backpatches.29
-    )
-   )
-   (block $cleanup.31
-    (drop
-     (call $decRef_0
-      (global.get $GRAIN$EXPORT$decRef_0)
-      (local.get $11)
-     )
-    )
-   )
-   (drop
-    (block $compile_set.32 (result i32)
-     (global.set $d_1116
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $13)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (global.get $d_1116)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (drop
-    (block $compile_set.33 (result i32)
-     (global.set $c_1115
-      (tuple.extract 0
-       (tuple.make
-        (call $incRef_0
-         (global.get $GRAIN$EXPORT$incRef_0)
-         (local.get $12)
-        )
-        (call $decRef_0
-         (global.get $GRAIN$EXPORT$decRef_0)
-         (global.get $c_1115)
-        )
-       )
-      )
-     )
-     (i32.const 1879048190)
-    )
-   )
-   (global.get $d_1116)
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MStore
+      (((MLocalBind 0 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 1)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 2)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 1 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmConst (MConstI32 3)))
+              (immediate_analyses ((last_usage Unknown))))
+             ((immediate_desc (MImmConst (MConstI32 4)))
+              (immediate_analyses ((last_usage Unknown))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 2 Managed)
+        ((instr_desc
+          (MAllocate
+           (MTuple
+            (((immediate_desc (MImmBinding (MLocalBind 0 Managed)))
+              (immediate_analyses ((last_usage Last))))
+             ((immediate_desc (MImmBinding (MLocalBind 1 Managed)))
+              (immediate_analyses ((last_usage Last))))))))))))))
+   ((instr_desc
+     (MStore
+      (((MGlobalBind a_1113 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MGlobalBind b_1114 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 3 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 4 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 1)
+           ((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 2 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MGlobalBind b_1114 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 4 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MGlobalBind a_1113 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 3 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 5 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc
+             (MIncRef
+              ((immediate_desc (MImmBinding (MGlobalBind b_1114 Managed)))
+               (immediate_analyses ((last_usage Last))))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MGlobalBind c_1115 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MGlobalBind d_1116 Managed)
+        ((instr_desc
+          (MImmediate
+           ((immediate_desc (MImmConst (MConstLiteral (MConstI32 0))))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 6 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 0)
+           ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+            (immediate_analyses ((last_usage Unknown))))))))))))
+   ((instr_desc
+     (MStore
+      (((MLocalBind 7 Managed)
+        ((instr_desc
+          (MTupleOp (MTupleGet 1)
+           ((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+            (immediate_analyses ((last_usage Last))))))))))))
+   ((instr_desc
+     (MCleanup ()
+      (((immediate_desc (MImmBinding (MLocalBind 5 Managed)))
+        (immediate_analyses ((last_usage Unknown))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MGlobalBind d_1116 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 7 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MDrop
+      ((instr_desc
+        (MSet (MGlobalBind c_1115 Managed)
+         ((instr_desc
+           (MImmediate
+            ((immediate_desc (MImmBinding (MLocalBind 6 Managed)))
+             (immediate_analyses ((last_usage Last)))))))))))))
+   ((instr_desc
+     (MImmediate
+      ((immediate_desc (MImmBinding (MGlobalBind d_1116 Managed)))
+       (immediate_analyses ((last_usage Last)))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 8) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals
+  ((((stamp 1113) (name a)) true Managed ())
+   (((stamp 1116) (name d)) true Managed ())
+   (((stamp 1115) (name c)) true Managed ())
+   (((stamp 1114) (name b)) true Managed ())))
+ (function_table_elements ())
+ (global_function_table_offset ((stamp 1131) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))
diff --git a/compiler/test/__snapshots__/tuples.f206002b.0.snapshot b/compiler/test/__snapshots__/tuples.f206002b.0.snapshot
index 714f171f6..d9909a8ac 100644
--- a/compiler/test/__snapshots__/tuples.f206002b.0.snapshot
+++ b/compiler/test/__snapshots__/tuples.f206002b.0.snapshot
@@ -1,65 +1,18 @@
 tuples › tup1_trailing_space
-(module
- (type $none_=>_i32 (func (result i32)))
- (type $none_=>_none (func))
- (type $i32_i32_=>_i32 (func (param i32 i32) (result i32)))
- (import \"_genv\" \"tbl\" (table $tbl 0 funcref))
- (import \"_genv\" \"relocBase\" (global $relocBase_0 i32))
- (import \"_genv\" \"moduleRuntimeId\" (global $moduleRuntimeId_0 i32))
- (import \"_genv\" \"runtimeHeapStart\" (global $runtimeHeapStart_0 i32))
- (import \"_genv\" \"runtimeHeapNextPtr\" (global $runtimeHeapNextPtr_0 (mut i32)))
- (import \"_genv\" \"metadataPtr\" (global $metadataPtr_0 i32))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"GRAIN$EXPORT$malloc\" (global $GRAIN$EXPORT$malloc_0 (mut i32)))
- (import \"GRAIN$MODULE$runtime/gc.gr\" \"malloc\" (func $malloc_0 (param i32 i32) (result i32)))
- (global $GRAIN$TABLE_SIZE i32 (i32.const 0))
- (memory $0 0)
- (elem $elem (global.get $relocBase_0))
- (export \"memory\" (memory $0))
- (export \"_gmain\" (func $_gmain))
- (export \"_start\" (func $_start))
- (export \"GRAIN$TABLE_SIZE\" (global $GRAIN$TABLE_SIZE))
- (func $_gmain (result i32)
-  (local $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  (local $3 i64)
-  (local $4 f32)
-  (local $5 f64)
-  (block $compile_block.2 (result i32)
-   (block $allocate_tuple.1 (result i32)
-    (i32.store
-     (local.tee $0
-      (call $malloc_0
-       (global.get $GRAIN$EXPORT$malloc_0)
-       (i32.const 20)
-      )
-     )
-     (i32.const 7)
-    )
-    (i32.store offset=4
-     (local.get $0)
-     (i32.const 3)
-    )
-    (i32.store offset=8
-     (local.get $0)
-     (i32.const 3)
-    )
-    (i32.store offset=12
-     (local.get $0)
-     (i32.const 5)
-    )
-    (i32.store offset=16
-     (local.get $0)
-     (i32.const 7)
-    )
-    (local.get $0)
-   )
-  )
- )
- (func $_start
-  (drop
-   (call $_gmain)
-  )
- )
- ;; custom section \"cmi\", size 368
-)
+((functions ()) (imports ()) (exports ())
+ (main_body
+  (((instr_desc
+     (MAllocate
+      (MTuple
+       (((immediate_desc (MImmConst (MConstI32 1)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 2)))
+         (immediate_analyses ((last_usage Unknown))))
+        ((immediate_desc (MImmConst (MConstI32 3)))
+         (immediate_analyses ((last_usage Unknown)))))))))))
+ (main_body_stack_size
+  ((stack_size_ptr 0) (stack_size_i32 0) (stack_size_i64 0)
+   (stack_size_f32 0) (stack_size_f64 0)))
+ (globals ()) (function_table_elements ())
+ (global_function_table_offset ((stamp 1116) (name function_table_global)))
+ (compilation_mode Normal) (signature <opaque>) (type_metadata <opaque>))