diff --git a/lib/Analysis/IPA/Andersens.cpp b/lib/Analysis/IPA/Andersens.cpp
index 247699c6b1e..4ede5e128af 100644
--- a/lib/Analysis/IPA/Andersens.cpp
+++ b/lib/Analysis/IPA/Andersens.cpp
@@ -1185,7 +1185,9 @@ bool Andersens::Node::intersectsIgnoring(Node *N, unsigned Ignoring) const {
 }
 
 void dumpToDOUT(SparseBitVector<> *bitmap) {
+#ifndef NDEBUG
   dump(*bitmap, DOUT);
+#endif
 }