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-rw-r--r--llvm/lib/Transforms/Scalar/EarlyCSE.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Scalar/EarlyCSE.cpp b/llvm/lib/Transforms/Scalar/EarlyCSE.cpp
index 11009d501a9..1f09979b338 100644
--- a/llvm/lib/Transforms/Scalar/EarlyCSE.cpp
+++ b/llvm/lib/Transforms/Scalar/EarlyCSE.cpp
@@ -812,7 +812,8 @@ bool EarlyCSE::processNode(DomTreeNode *Node) {
LLVM_DEBUG(dbgs() << "Skipping due to debug counter\n");
continue;
}
- salvageDebugInfo(*Inst);
+ if (!salvageDebugInfo(*Inst))
+ replaceDbgUsesWithUndef(Inst);
removeMSSA(Inst);
Inst->eraseFromParent();
Changed = true;
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