[llvm] [AMDGPU] Fix SIFoldOperands miscompiling values that leave a divergent loop (PR #203256)

via llvm-commits llvm-commits at lists.llvm.org
Thu Jun 11 05:49:34 PDT 2026


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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- llvm/lib/Target/AMDGPU/SIFoldOperands.cpp --diff_from_common_commit
``````````

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``````````diff
diff --git a/llvm/lib/Target/AMDGPU/SIFoldOperands.cpp b/llvm/lib/Target/AMDGPU/SIFoldOperands.cpp
index 996ad8280..dd3409578 100644
--- a/llvm/lib/Target/AMDGPU/SIFoldOperands.cpp
+++ b/llvm/lib/Target/AMDGPU/SIFoldOperands.cpp
@@ -2897,8 +2897,9 @@ bool SIFoldOperandsImpl::run(MachineFunction &MF, const MachineLoopInfo *MLI) {
   return Changed;
 }
 
-PreservedAnalyses SIFoldOperandsPass::run(MachineFunction &MF,
-                                          MachineFunctionAnalysisManager &MFAM) {
+PreservedAnalyses
+SIFoldOperandsPass::run(MachineFunction &MF,
+                        MachineFunctionAnalysisManager &MFAM) {
   MFPropsModifier _(*this, MF);
 
   const MachineLoopInfo *MLI = &MFAM.getResult<MachineLoopAnalysis>(MF);

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https://github.com/llvm/llvm-project/pull/203256


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