[all-commits] [llvm/llvm-project] 312a9d: GlobalISel: Fix narrowScalar for G_{CTLZ|CTTZ}_ZER...

[Matt Arsenault via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 312a9d1b8343f5185ae9c6cdd2b022f1f93514e5
      https://github.com/llvm/llvm-project/commit/312a9d1b8343f5185ae9c6cdd2b022f1f93514e5
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2020-02-09 (Sun, 09 Feb 2020)

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

  Log Message:
  -----------
  GlobalISel: Fix narrowScalar for G_{CTLZ|CTTZ}_ZERO_UNDEF

Narrow these for 64-bit VALU for AMDGPU.