[all-commits] [llvm/llvm-project] d44791: [AMDGPU] IGLP: Sanitize user schedule hints (#221256)

[averne via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: d44791d35a4b15f3da7855790203ca14f7953410
      https://github.com/llvm/llvm-project/commit/d44791d35a4b15f3da7855790203ca14f7953410
  Author: averne <45773016+averne at users.noreply.github.com>
  Date:   2026-09-13 (Sun, 13 Sep 2026)

  Changed paths:
    M llvm/lib/Target/AMDGPU/AMDGPUIGroupLP.cpp
    M llvm/lib/Target/AMDGPU/AMDGPUIGroupLP.h
    M llvm/lib/Target/AMDGPU/SIISelLowering.cpp
    M llvm/lib/Target/AMDGPU/SIInstructions.td
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.sched.barrier.ll

  Log Message:
  -----------
  [AMDGPU] IGLP: Sanitize user schedule hints (#221256)

Fixes the following ICE:
```cpp
extern __shared__ int lds[];

__global__
void kern_ice() {
    auto _ = lds[threadIdx.x];
    __builtin_amdgcn_sched_barrier(~0x380); // Allow all except DS instructions
}
```

See: https://godbolt.org/z/oGfT1TTa4



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