[all-commits] [llvm/llvm-project] 901e33: GlobalISel: Merge FewerElements for G_BUILD_VECTOR...

[Matt Arsenault via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 901e3317fe7c88405b232b090896ae0d111c8c93
      https://github.com/llvm/llvm-project/commit/901e3317fe7c88405b232b090896ae0d111c8c93
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2020-08-22 (Sat, 22 Aug 2020)

  Changed paths:
    M llvm/include/llvm/CodeGen/GlobalISel/LegalizerHelper.h
    M llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
    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-build-vector.s16.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-extract.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-fadd.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-fcanonicalize.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-fcmp.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-fcos.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-fdiv.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-ffloor.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-fma.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-fmaxnum.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-fminnum.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-fmul.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-fsin.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-fsqrt.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-fsub.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-intrinsic-round.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-llvm.amdgcn.image.load.2d.d16.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-lshr.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-phi.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-saddo.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-saddsat.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-select.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-sext-inreg.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-shl.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-smax.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-smin.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-sshlsat.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-ssubo.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-ssubsat.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-uaddo.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-uaddsat.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-umax.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-umin.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-ushlsat.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-usubo.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-usubsat.mir

  Log Message:
  -----------
  GlobalISel: Merge FewerElements for G_BUILD_VECTOR/G_CONCAT_VECTORS

This switches from using G_EXTRACT in odd cases to widen with undef
and unmerge.