[PATCH] D74233: GlobalISel: Fix narrowScalar for G_{CTLZ|CTTZ}_ZERO_UNDEF

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added reviewers: Petar.Avramovic, paquette, aditya_nandakumar, aemerson.
Herald added subscribers: kerbowa, volkan, hiraditya, tpr, rovka, nhaehnle, wdng, jvesely.
Herald added a project: LLVM.
arsenm added a parent revision: D74230: GlobalISel: Fix narrowing of G_CTLZ/G_CTTZ.

Narrow these for 64-bit VALU for AMDGPU.


https://reviews.llvm.org/D74233

Files:
  llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
  llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
  llvm/test/CodeGen/AMDGPU/GlobalISel/regbankselect-ctlz-zero-undef.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/regbankselect-cttz-zero-undef.mir

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