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Revert "[Backend] Bump to llvm/llvm-project@979132a (#9431) (#9477)" #9938

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Merged
atalman merged 1 commit into from
Apr 7, 2026
Merged

Revert "[Backend] Bump to llvm/llvm-project@979132a (#9431) (#9477)" #9938

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2 changes: 1 addition & 1 deletion cmake/llvm-hash.txt
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Original file line number Diff line number Diff line change
@@ -1 +1 @@
979132a02d146ec79e2f046e31877516d7f32d20
ac5dc54d509169d387fcfd495d71853d81c46484
1 change: 1 addition & 0 deletions python/src/llvm.cc
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Expand Up @@ -133,6 +133,7 @@ createTargetMachine(llvm::Module *module, std::string proc,
bool disableLLVMOpt = mlir::triton::tools::getBoolEnv("DISABLE_LLVM_OPT");
if (enable_fp_fusion)
opt.AllowFPOpFusion = llvm::FPOpFusion::Fast;
opt.NoInfsFPMath = false;
opt.NoNaNsFPMath = true;
opt.TrapUnreachable = true;
opt.MCOptions.AsmVerbose = true;
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4 changes: 1 addition & 3 deletions python/test/unit/language/test_core.py
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Expand Up @@ -1382,9 +1382,7 @@ def kernel(X, Z):
# atom.add.bf16 is unsupported prior to Hopper so instead we generate an
# atom.cas add loop on Ampere and prior
if dst_type == 'bfloat16' and torch.cuda.get_device_capability()[0] < 9:
assert "atom.relaxed.gpu.global.cas" in h.asm["ptx"]
if sem_str != "relaxed":
assert "fence.acq_rel.gpu" in h.asm["ptx"]
assert f"atom.{sem_str}.gpu.global.cas" in h.asm["ptx"]
return

assert f"atom.global.gpu.{sem_str}" in h.asm["ptx"]
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