diff --git a/lib/Transforms/Utils/SimplifyCFG.cpp b/lib/Transforms/Utils/SimplifyCFG.cpp
index 80eab1c1f87..555e30e5f02 100644
--- a/lib/Transforms/Utils/SimplifyCFG.cpp
+++ b/lib/Transforms/Utils/SimplifyCFG.cpp
@@ -725,7 +725,7 @@ static bool SimplifyEqualityComparisonWithOnlyPredecessor(TerminatorInst *TI,
 class Sorter {
 public:
   bool operator() (ConstantInt * const &p, ConstantInt * const &q) const {
-    return p->getSExtValue() < q->getSExtValue();
+    return p->getValue().slt(q->getValue());
   }
 };