From 9ed60626e807a689dc5c0f44e7bf61ddf31f6465 Mon Sep 17 00:00:00 2001
From: Jun Bum Lim <junbuml@codeaurora.org>
Date: Wed, 3 Feb 2016 15:56:27 +0000
Subject: [PATCH] [MachineCopyPropagation] Fix comment. NFC

Reviewers: MatzeB, qcolombet, jmolloy, mcrosier

Subscribers: llvm-commits, mcrosier

Differential Revision: http://reviews.llvm.org/D16806

llvm-svn: 259656
---
 lib/CodeGen/MachineCopyPropagation.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/CodeGen/MachineCopyPropagation.cpp b/lib/CodeGen/MachineCopyPropagation.cpp
index a6863412132..117e1ebe3de 100644
--- a/lib/CodeGen/MachineCopyPropagation.cpp
+++ b/lib/CodeGen/MachineCopyPropagation.cpp
@@ -182,7 +182,8 @@ bool MachineCopyPropagation::CopyPropagateBlock(MachineBasicBlock &MBB) {
         }
       }
 
-      // If Src is defined by a previous copy, it cannot be eliminated.
+      // If Src is defined by a previous copy, the previous copy cannot be
+      // eliminated.
       for (MCRegAliasIterator AI(Src, TRI, true); AI.isValid(); ++AI) {
         CI = CopyMap.find(*AI);
         if (CI != CopyMap.end()) {
@@ -196,7 +197,7 @@ bool MachineCopyPropagation::CopyPropagateBlock(MachineBasicBlock &MBB) {
       // Copy is now a candidate for deletion.
       MaybeDeadCopies.insert(MI);
 
-      // If 'Src' is previously source of another copy, then this earlier copy's
+      // If 'Def' is previously source of another copy, then this earlier copy's
       // source is no longer available. e.g.
       // %xmm9<def> = copy %xmm2
       // ...