diff --git a/lib/CodeGen/MachineScheduler.cpp b/lib/CodeGen/MachineScheduler.cpp
index 847bf1e..098ec47 100644
--- a/lib/CodeGen/MachineScheduler.cpp
+++ b/lib/CodeGen/MachineScheduler.cpp
@@ -403,7 +403,8 @@
 
   /// getIssueWidth - Return the max instructions per scheduling group.
   unsigned getIssueWidth() const {
-    return InstrItins ? InstrItins->Props.IssueWidth : 1;
+    return (InstrItins && InstrItins->SchedModel)
+      ? InstrItins->SchedModel->IssueWidth : 1;
   }
 
   /// getNumMicroOps - Return the number of issue slots required for this MI.