diff --git a/llvm/lib/Transforms/LevelRaise.cpp b/llvm/lib/Transforms/LevelRaise.cpp
index afc2ad5d7a670bcf0ad7b7acc15e421e8b751556..25ba40e5b881557566077cf1d6ff3dc42f721b92 100644
--- a/llvm/lib/Transforms/LevelRaise.cpp
+++ b/llvm/lib/Transforms/LevelRaise.cpp
@@ -18,6 +18,7 @@
 #include "Support/STLExtras.h"
 #include "Support/StatisticReporter.h"
 #include <algorithm>
+#include <iostream>
 using std::cerr;
 
 static Statistic<> NumLoadStorePeepholes("raise\t\t- Number of load/store peepholes");