From 631dfa65ee4582169e03979e8b901f46811db2f7 Mon Sep 17 00:00:00 2001
From: Edd Barrett <vext01@gmail.com>
Date: Mon, 26 Feb 2024 15:05:53 +0000
Subject: [PATCH] Yk assumes all pointers are the same size as a `void *`.

Assert as such.
---
 llvm/lib/YkIR/YkIRWriter.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/llvm/lib/YkIR/YkIRWriter.cpp b/llvm/lib/YkIR/YkIRWriter.cpp
index 4afca0740410c1..0c95664aea3bf1 100644
--- a/llvm/lib/YkIR/YkIRWriter.cpp
+++ b/llvm/lib/YkIR/YkIRWriter.cpp
@@ -494,7 +494,9 @@ class YkIRWriter {
   void serialiseType(llvm::Type *Ty) {
     if (Ty->isVoidTy()) {
       OutStreamer.emitInt8(TypeKind::Void);
-    } else if (Ty->isPointerTy()) {
+    } else if (PointerType *PT = dyn_cast<PointerType>(Ty)) {
+      // FIXME: The Yk runtime assumes all pointers are void-ptr-sized.
+      assert(DL.getPointerSize(PT->getAddressSpace()) == sizeof(void *));
       OutStreamer.emitInt8(TypeKind::Ptr);
     } else if (IntegerType *ITy = dyn_cast<IntegerType>(Ty)) {
       OutStreamer.emitInt8(TypeKind::Integer);