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| author | Shan Huang <shan.huang@stu.ecnu.edu.cn> | 2025-07-14 09:45:37 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-07-14 09:45:37 +0800 |
| commit | 089106fdfb853c83cf5d35a37bdd8e663094e6a2 (patch) | |
| tree | 1e9335da5f7367fd2450eee3a1bc4ebfa91a676a /llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp | |
| parent | 60b168c1469730a6db915d0ece38bc9088e2034b (diff) | |
| download | llvm-089106fdfb853c83cf5d35a37bdd8e663094e6a2.zip llvm-089106fdfb853c83cf5d35a37bdd8e663094e6a2.tar.gz llvm-089106fdfb853c83cf5d35a37bdd8e663094e6a2.tar.bz2 | |
[DebugInfo][LoopStrengthReduce] Salvage the debug value of the dead cmp instruction (#147241)
Fix #147238
Diffstat (limited to 'llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp index 845afa6..9e8d2f2 100644 --- a/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp +++ b/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp @@ -2559,8 +2559,10 @@ ICmpInst *LSRInstance::OptimizeMax(ICmpInst *Cond, IVStrideUse* &CondUse) { Instruction *Cmp = cast<Instruction>(Sel->getOperand(0)); Cond->eraseFromParent(); Sel->eraseFromParent(); - if (Cmp->use_empty()) + if (Cmp->use_empty()) { + salvageDebugInfo(*Cmp); Cmp->eraseFromParent(); + } return NewCond; } |