Commits on Nov 9, 2024

1. [Backport to 16] Ensure that PHI node has an incoming value per each … …

   …predecessor instance
   
   This PR partially fixes issue KhronosGroup#2702 in the part that is responsible for SPIR-V to LLVM IR translation. Namely, this PR ensures that all PHI nodes of a Function has the number of incoming blocks matching block's predecessor count. When a PHI node doesn't conform to this rule, this PR inserts missing number of (Value, Basic Block) pairs to make the PHI node valid.
   
   Another problem from KhronosGroup#2702, that is violation of the requirement to OpPhi's to have exactly one Parent ID operand for each parent block of the current block in the CFG in the output SPIR-V code, is out of scope of this PR.

   

   VyacheslavLevytskyy authored and MrSidims committed Nov 9, 2024
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2. [Backport to 16] ensure that PHI node has an incoming value per each … …

   …predecessor instance even if the input SPIR-V module is invalid as reported by spirv-val

   

   VyacheslavLevytskyy authored and MrSidims committed Nov 9, 2024
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