[all-commits] [llvm/llvm-project] 19d7ab: [GlobalISel] Handle sequences of trunc(sext/zext/a...

[Vladislav Dzhidzhoev via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 19d7ab14ec84a0de95ee24cd2f7ddf07080ad954
      https://github.com/llvm/llvm-project/commit/19d7ab14ec84a0de95ee24cd2f7ddf07080ad954
  Author: Vladislav Dzhidzhoev <vdzhidzhoev at accesssoftek.com>
  Date:   2023-08-04 (Fri, 04 Aug 2023)

  Changed paths:
    M llvm/include/llvm/CodeGen/GlobalISel/LegalizationArtifactCombiner.h
    M llvm/test/CodeGen/AMDGPU/GlobalISel/artifact-combiner-trunc.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/artifact-combiner-unmerge-values.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-ashr.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-bitcast.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-ctlz-zero-undef.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-ctlz.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-ctpop.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/GlobalISel/legalize-extract-vector-elt.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-fshl.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-fshr.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-lshr.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-rotl-rotr.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-shl.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-shuffle-vector.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-shuffle-vector.s16.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-store-global.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-store.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/mul-known-bits.i64.mir

  Log Message:
  -----------
  [GlobalISel] Handle sequences of trunc(sext/zext/anyext...) in artifact combiner

trunc(sext/zext/anyext... x) -> x pattern is handled in artifact combiner to avoid
extra copy instructions in https://reviews.llvm.org/D156831.