[all-commits] [llvm/llvm-project] bf536c: [AMDGPU] Fix unwanted LICM/CSE of llvm.amdgcn.pops...

[Jay Foad via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: bf536cc7db1b1e683af34f363f62fa2b655262cf
      https://github.com/llvm/llvm-project/commit/bf536cc7db1b1e683af34f363f62fa2b655262cf
  Author: Jay Foad <jay.foad at amd.com>
  Date:   2024-06-27 (Thu, 27 Jun 2024)

  Changed paths:
    M llvm/include/llvm/IR/IntrinsicsAMDGPU.td
    M llvm/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp
    M llvm/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.h
    M llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp
    M llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.h
    M llvm/lib/Target/AMDGPU/SOPInstructions.td
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.pops.exiting.wave.id.ll

  Log Message:
  -----------
  [AMDGPU] Fix unwanted LICM/CSE of llvm.amdgcn.pops.exiting.wave.id (#96190)

Mark both the intrinsic and the selected MachineInstr as having side
effects to prevent MachineLICM and MachineCSE from moving/removing them.



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