[all-commits] [llvm/llvm-project] e84299: AMDGPU/GlobalISel: Add test for fma_mix with sourc...

[Petar Avramovic via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e8429986c8f2b1e00fdc51187df9d434a093e9b4
      https://github.com/llvm/llvm-project/commit/e8429986c8f2b1e00fdc51187df9d434a093e9b4
  Author: Petar Avramovic <Petar.Avramovic at amd.com>
  Date:   2024-08-07 (Wed, 07 Aug 2024)

  Changed paths:
    M llvm/test/CodeGen/AMDGPU/GlobalISel/combine-fma-add-ext-fma.ll

  Log Message:
  -----------
  AMDGPU/GlobalISel: Add test for fma_mix with source from unmerge (#102129)

When selecting fma_mix with operand that comes from G_UNMERGE_VALUES,
there is a bug where folded register is operand 0 of G_UNMERGE_VALUES.
Source modifiers are correctly selected.
isExtractHiElt returns G_UNMERGE_VALUES that defines source register
but does not specify which operand.



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