From 7b58ae77acb63db29116e548393ddd2127909425 Mon Sep 17 00:00:00 2001
From: Andrew Trick <atrick@apple.com>
Date: Wed, 7 Mar 2012 05:21:47 +0000
Subject: [PATCH] ScheduleDAGInstrs comments

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152207 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/ScheduleDAGInstrs.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/CodeGen/ScheduleDAGInstrs.h b/lib/CodeGen/ScheduleDAGInstrs.h
index 1ae310eeed0..a27a8c4891a 100644
--- a/lib/CodeGen/ScheduleDAGInstrs.h
+++ b/lib/CodeGen/ScheduleDAGInstrs.h
@@ -281,8 +281,10 @@ namespace llvm {
 
     virtual void dumpNode(const SUnit *SU) const;
 
+    /// Return a label for a DAG node that points to an instruction.
     virtual std::string getGraphNodeLabel(const SUnit *SU) const;
 
+    /// Return a label for the region of code covered by the DAG.
     virtual std::string getDAGName() const;
 
   protected: