[all-commits] [llvm/llvm-project] 57b910: [GlobalISel] Improve widening of cttz/cttz_zero_undef

[Jay Foad via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 57b9107e3f8dd449cbb7a8e50cf596eb4d49a9e1
      https://github.com/llvm/llvm-project/commit/57b9107e3f8dd449cbb7a8e50cf596eb4d49a9e1
  Author: Jay Foad <jay.foad at amd.com>
  Date:   2021-08-06 (Fri, 06 Aug 2021)

  Changed paths:
    M llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
    M llvm/test/CodeGen/AArch64/GlobalISel/legalize-cttz-zero-undef.mir
    M llvm/test/CodeGen/AArch64/GlobalISel/legalize-cttz.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-cttz-zero-undef.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-cttz.mir
    M llvm/test/CodeGen/AMDGPU/cttz.ll
    M llvm/test/CodeGen/AMDGPU/cttz_zero_undef.ll
    M llvm/unittests/CodeGen/GlobalISel/LegalizerHelperTest.cpp

  Log Message:
  -----------
  [GlobalISel] Improve widening of cttz/cttz_zero_undef

Differential Revision: https://reviews.llvm.org/D107631