[all-commits] [llvm/llvm-project] d075de: [AMDGPU] Fix chain handling when lowering barrier ...

[Jay Foad via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: d075debc508898d5f365f8e909c54d6f4edada85
      https://github.com/llvm/llvm-project/commit/d075debc508898d5f365f8e909c54d6f4edada85
  Author: Jay Foad <jay.foad at amd.com>
  Date:   2024-09-24 (Tue, 24 Sep 2024)

  Changed paths:
    M llvm/lib/Target/AMDGPU/SIISelLowering.cpp
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.s.barrier.wait.ll

  Log Message:
  -----------
  [AMDGPU] Fix chain handling when lowering barrier intrinsics (#109799)

Previously we would fail an assertion in RemoveNodeFromCSEMaps after
lowering:
t3: ch = llvm.amdgcn.s.barrier.join t0, TargetConstant:i64<2973>,
Constant:i32<0>
to:
  t6: ch = S_BARRIER_JOIN_IMM TargetConstant:i32<0>



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