[PATCH] D79567: [GlobalISel] Combine scalar unmerge(trunc)

[Dominik Montada via Phabricator via llvm-commits]

gargaroff updated this revision to Diff 263132.
gargaroff added a comment.

Rebase.

I didn't bother to move your vector unmerge(trunc) combine to the new tryFoldUnmergeCast for now, @arsenm. I plan to do that after some initial feedback though


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D79567/new/

https://reviews.llvm.org/D79567

Files:
  llvm/include/llvm/CodeGen/GlobalISel/LegalizationArtifactCombiner.h
  llvm/test/CodeGen/AArch64/GlobalISel/legalize-unmerge-values.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/artifact-combiner-unmerge-values.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/cvt_f32_ubyte.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-bitcast.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-freeze.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-merge-values.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-store-global.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-unmerge-values.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/zextload.ll

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