diff --git a/lib/Analysis/BranchProbabilityInfo.cpp b/lib/Analysis/BranchProbabilityInfo.cpp
index 57a2579ecb4..d7fc2c39875 100644
--- a/lib/Analysis/BranchProbabilityInfo.cpp
+++ b/lib/Analysis/BranchProbabilityInfo.cpp
@@ -13,6 +13,7 @@
 
 #include "llvm/Instructions.h"
 #include "llvm/Analysis/BranchProbabilityInfo.h"
+#include <climits>
 
 using namespace llvm;