[PATCH] D74236: AMDGPU/GlobalISel: Select G_CTLZ_ZERO_UNDEF

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added reviewers: nhaehnle, kerbowa.
Herald added subscribers: Petar.Avramovic, hiraditya, t-tye, tpr, dstuttard, rovka, yaxunl, wdng, jvesely, kzhuravl.
Herald added a project: LLVM.

Directly select this rather than going through the intermediate
instruction, which may provide some combine value in the future.


https://reviews.llvm.org/D74236

Files:
  llvm/lib/Target/AMDGPU/AMDGPUGISel.td
  llvm/lib/Target/AMDGPU/AMDGPUInstrInfo.td
  llvm/lib/Target/AMDGPU/SOPInstructions.td
  llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-ctlz-zero-undef.mir

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