diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAGSimple.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAGSimple.cpp
index e088f71b88e..55b68f88301 100644
--- a/lib/CodeGen/SelectionDAG/ScheduleDAGSimple.cpp
+++ b/lib/CodeGen/SelectionDAG/ScheduleDAGSimple.cpp
@@ -292,7 +292,7 @@ void ScheduleDAGSimple::IncludeNode(NodeInfo *NI) {
 ///
 void ScheduleDAGSimple::GatherSchedulingInfo() {
   // Get instruction itineraries for the target
-  const InstrItineraryData InstrItins = TM.getInstrItineraryData();
+  const InstrItineraryData &InstrItins = TM.getInstrItineraryData();
   
   // For each node
   for (unsigned i = 0, N = NodeCount; i < N; i++) {