From 6a50baa26e88d89985d587ee77384ec9830004a4 Mon Sep 17 00:00:00 2001
From: Andrew Trick <atrick@apple.com>
Date: Thu, 17 May 2012 22:37:09 +0000
Subject: [PATCH] comments

llvm-svn: 157020
---
 llvm/lib/CodeGen/MachineScheduler.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/llvm/lib/CodeGen/MachineScheduler.cpp b/llvm/lib/CodeGen/MachineScheduler.cpp
index 0aaef5d59996..207d65a6b946 100644
--- a/llvm/lib/CodeGen/MachineScheduler.cpp
+++ b/llvm/lib/CodeGen/MachineScheduler.cpp
@@ -1,4 +1,4 @@
-//===- MachineScheduler.cpp - Machine Instruction Scheduler ---------------===//excess
+//===- MachineScheduler.cpp - Machine Instruction Scheduler ---------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -808,7 +808,8 @@ traceCandidate(const char *Label, unsigned QID, SUnit *SU,
 }
 #endif
 
-/// Return true if the LHS reg pressure effect is better than RHS.
+/// pickNodeFromQueue helper that returns true if the LHS reg pressure effect is
+/// more desirable than RHS from scheduling standpoint.
 static bool compareRPDelta(const RegPressureDelta &LHS,
                            const RegPressureDelta &RHS) {
   // Compare each component of pressure in decreasing order of importance