[PATCH] D74188: GlobalISel: Fix lowering of G_CTLZ/G_CTTZ

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added reviewers: aemerson, paquette, aditya_nandakumar, Petar.Avramovic, dsanders.
Herald added subscribers: kerbowa, volkan, hiraditya, rovka, nhaehnle, wdng, jvesely.
Herald added a project: LLVM.

The type passed to lower was invalid, so I'm not sure how this was
even working before. The source and destination type also do not have
to match, so make sure to use the right ones.


https://reviews.llvm.org/D74188

Files:
  llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
  llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
  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-ctlz.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/regbankselect-cttz.mir
  llvm/test/CodeGen/ARM/GlobalISel/arm-legalize-bitcounts.mir

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