diff --git a/include/llvm/CodeGen/ScheduleDAG.h b/include/llvm/CodeGen/ScheduleDAG.h
index 6c90a4a4771..5bc51e8582f 100644
--- a/include/llvm/CodeGen/ScheduleDAG.h
+++ b/include/llvm/CodeGen/ScheduleDAG.h
@@ -335,6 +335,9 @@ namespace llvm {
     virtual void dump() const;
 
   private:
+    void AddOperand(MachineInstr *MI, SDOperand Op, unsigned IIOpNum,
+                    const TargetInstrDescriptor *II);
+      
     /// PrepareNodeInfo - Set up the basic minimum node info for scheduling.
     /// 
     void PrepareNodeInfo();