add an emitnoop method
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26563 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/CodeGen/ScheduleDAG.h b/include/llvm/CodeGen/ScheduleDAG.h
index cbb7a1e..dee706d 100644
--- a/include/llvm/CodeGen/ScheduleDAG.h
+++ b/include/llvm/CodeGen/ScheduleDAG.h
@@ -308,14 +308,18 @@
/// EmitNode - Generate machine code for an node and needed dependencies.
///
void EmitNode(NodeInfo *NI);
-
+
+ /// EmitNoop - Emit a noop instruction.
+ ///
+ void EmitNoop();
+
/// EmitAll - Emit all nodes in schedule sorted order.
///
void EmitAll();
/// Schedule - Order nodes according to selected style.
///
- virtual void Schedule() {};
+ virtual void Schedule() {}
/// printNI - Print node info.
///