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-rw-r--r--lib/Transforms/Scalar/GVN.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/Transforms/Scalar/GVN.cpp b/lib/Transforms/Scalar/GVN.cpp
index c9eb247..f852269 100644
--- a/lib/Transforms/Scalar/GVN.cpp
+++ b/lib/Transforms/Scalar/GVN.cpp
@@ -1234,6 +1234,7 @@ bool GVN::performPRE(Function& F) {
UUI->second = Phi;
BI->replaceAllUsesWith(Phi);
+ VN.erase(BI);
Instruction* erase = BI;
BI++;