[all-commits] [llvm/llvm-project] d2e66d: [GlobalISel] Add a combine for and(load , mask) ->...

[Konstantin Schwarz via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: d2e66d7fa46b14a749ff8686ecccf66292b7bc6b
      https://github.com/llvm/llvm-project/commit/d2e66d7fa46b14a749ff8686ecccf66292b7bc6b
  Author: Konstantin Schwarz <konstantin.schwarz at hightec-rt.com>
  Date:   2021-09-16 (Thu, 16 Sep 2021)

  Changed paths:
    M llvm/include/llvm/CodeGen/GlobalISel/CombinerHelper.h
    M llvm/include/llvm/Target/GlobalISel/Combine.td
    M llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp
    A llvm/test/CodeGen/AArch64/GlobalISel/prelegalizer-combiner-load-and-mask.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/cvt_f32_ubyte.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/load-constant.96.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/load-local.128.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/load-local.96.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/load-unaligned.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/postlegalizercombiner-and.mir
    A llvm/test/CodeGen/AMDGPU/GlobalISel/postlegalizercombiner-load-and-mask.mir
    M llvm/test/CodeGen/AMDGPU/ctlz.ll
    M llvm/test/CodeGen/AMDGPU/ctlz_zero_undef.ll
    M llvm/test/CodeGen/AMDGPU/cttz_zero_undef.ll
    M llvm/test/CodeGen/AMDGPU/ds-alignment.ll

  Log Message:
  -----------
  [GlobalISel] Add a combine for and(load , mask) -> zextload

This only handles simple masks, not shifted masks, for now.

Reviewed By: aemerson

Differential Revision: https://reviews.llvm.org/D109357