[all-commits] [llvm/llvm-project] 353b5e: AMDGPU: Refactor lowering of s_barrier to split ba...

[Nicolai Hähnle via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 353b5e43c64770d1726e8cac5f28dedf6cc7ad40
      https://github.com/llvm/llvm-project/commit/353b5e43c64770d1726e8cac5f28dedf6cc7ad40
  Author: Nicolai Hähnle <nicolai.haehnle at amd.com>
  Date:   2025-08-28 (Thu, 28 Aug 2025)

  Changed paths:
    M llvm/lib/Target/AMDGPU/AMDGPU.h
    M llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp
    M llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.h
    A llvm/lib/Target/AMDGPU/AMDGPULowerIntrinsics.cpp
    M llvm/lib/Target/AMDGPU/AMDGPUPassRegistry.def
    M llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp
    M llvm/lib/Target/AMDGPU/CMakeLists.txt
    M llvm/lib/Target/AMDGPU/SIISelLowering.cpp
    M llvm/test/CodeGen/AMDGPU/llc-pipeline-npm.ll
    M llvm/test/CodeGen/AMDGPU/llc-pipeline.ll
    A llvm/test/CodeGen/AMDGPU/lower-intrinsics-barriers.ll
    A llvm/test/CodeGen/AMDGPU/lower-intrinsics-split-barriers.ll

  Log Message:
  -----------
  AMDGPU: Refactor lowering of s_barrier to split barriers (#154648)

Let's do the lowering of non-split into split barriers in a new IR pass,
AMDGPULowerIntrinsics. That way, there is no code duplication between
SelectionDAG and GlobalISel. This simplifies some upcoming extensions to
the code.



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