[PATCH] D107474: [AMDGPU] Better legalization of ctlz/cttz

[Jay Foad via Phabricator via llvm-commits]

foad created this revision.
foad added reviewers: arsenm, hliao, Petar.Avramovic.
Herald added subscribers: kerbowa, hiraditya, t-tye, tpr, dstuttard, yaxunl, nhaehnle, jvesely, kzhuravl.
foad requested review of this revision.
Herald added subscribers: llvm-commits, wdng.
Herald added a project: LLVM.

Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D107474

Files:
  llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
  llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.h
  llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
  llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-ctlz.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-cttz.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/regbankselect-amdgpu-ffbh-u32.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/regbankselect-amdgpu-ffbl-b32.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/regbankselect-cttz-zero-undef.mir
  llvm/test/CodeGen/AMDGPU/ctlz.ll
  llvm/test/CodeGen/AMDGPU/cttz.ll

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