[all-commits] [llvm/llvm-project] 71039b: [AMDGPU] Fix register class constraints for si-fol...

[mssefat via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 71039bbc581b59bdec25ed1e1d4cc6e772d5bb0c
      https://github.com/llvm/llvm-project/commit/71039bbc581b59bdec25ed1e1d4cc6e772d5bb0c
  Author: mssefat <42645939+mssefat at users.noreply.github.com>
  Date:   2025-04-30 (Wed, 30 Apr 2025)

  Changed paths:
    M llvm/lib/Target/AMDGPU/SIFoldOperands.cpp
    M llvm/test/CodeGen/AMDGPU/fold-imm-copy.mir

  Log Message:
  -----------
  [AMDGPU] Fix register class constraints for si-fold-operands pass when folding immediate into copies (#131387)

Fixes https://github.com/llvm/llvm-project/issues/130020

This fixes an issue where the si-fold-operands pass would incorrectly
fold immediate values into COPY instructions targeting av_32 registers.

The pass now checks register class constraints before attempting to fold
the immediate.



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