[all-commits] [llvm/llvm-project] 4b111d: [AMDGPU] Fix VOPD dependency checks during combine

[Stanislav Mekhanoshin via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 4b111dd798cd93e8d2f1c855d577e35d6ac6cebe
      https://github.com/llvm/llvm-project/commit/4b111dd798cd93e8d2f1c855d577e35d6ac6cebe
  Author: Stanislav Mekhanoshin <Stanislav.Mekhanoshin at amd.com>
  Date:   2023-06-15 (Thu, 15 Jun 2023)

  Changed paths:
    M llvm/lib/Target/AMDGPU/GCNVOPDUtils.cpp
    M llvm/test/CodeGen/AMDGPU/GlobalISel/insertelement.i16.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/insertelement.i8.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.image.load.2d.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.image.load.2darraymsaa.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.image.load.3d.a16.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.image.load.3d.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/mul-known-bits.i64.ll
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.image.dim.ll
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.image.sample.dim.ll
    M llvm/test/CodeGen/AMDGPU/vopd-combine.mir

  Log Message:
  -----------
  [AMDGPU] Fix VOPD dependency checks during combine

Check superreg/subreg defs of an instruction when checking for
dependencies. This may cause some regressions, but better be
safe than sorry. Changed tests are affected because of the
implicit-defs of the superregs.

Differential Revision: https://reviews.llvm.org/D152943