[PATCH] D117328: GlobalISel: Add bitcast to tryFoldUnmergeCast

[Petar Avramovic via Phabricator via llvm-commits]

Petar.Avramovic created this revision.
Petar.Avramovic added reviewers: paquette, aemerson, arsenm, foad.
Herald added subscribers: kerbowa, rovka, nhaehnle, jvesely.
Petar.Avramovic requested review of this revision.
Herald added subscribers: llvm-commits, wdng.
Herald added a project: LLVM.

Look through bitcast when unmerge searches for merge-like-opcode.
Handle the case when elements have same type.


https://reviews.llvm.org/D117328

Files:
  llvm/include/llvm/CodeGen/GlobalISel/LegalizationArtifactCombiner.h
  llvm/test/CodeGen/AArch64/fold-global-offsets.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/artifact-combiner-extract.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/artifact-combiner-unmerge-values.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-fptrunc.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-smulh.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-smulo.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-umulh.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-umulo.mir

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