diff --git a/lib/Transforms/Vectorize/VecUtils.cpp b/lib/Transforms/Vectorize/VecUtils.cpp
index 55adf8a8161..6f36c938fa5 100644
--- a/lib/Transforms/Vectorize/VecUtils.cpp
+++ b/lib/Transforms/Vectorize/VecUtils.cpp
@@ -633,6 +633,7 @@ Value *BoUpSLP::vectorizeTree(ArrayRef<Value *> VL, int VF) {
   numberInstructions();
   MustScalarize.clear();
   MustExtract.clear();
+  VectorizedValues.clear();
   return V;
 }