[llvm] r259656 - [MachineCopyPropagation] Fix comment. NFC

[Jun Bum Lim via llvm-commits]

Author: junbuml
Date: Wed Feb  3 09:56:27 2016
New Revision: 259656

URL: http://llvm.org/viewvc/llvm-project?rev=259656&view=rev
Log:
[MachineCopyPropagation] Fix comment. NFC

Reviewers: MatzeB, qcolombet, jmolloy, mcrosier

Subscribers: llvm-commits, mcrosier

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

Modified:
    llvm/trunk/lib/CodeGen/MachineCopyPropagation.cpp

Modified: llvm/trunk/lib/CodeGen/MachineCopyPropagation.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/MachineCopyPropagation.cpp?rev=259656&r1=259655&r2=259656&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/MachineCopyPropagation.cpp (original)
+++ llvm/trunk/lib/CodeGen/MachineCopyPropagation.cpp Wed Feb  3 09:56:27 2016
@@ -182,7 +182,8 @@ bool MachineCopyPropagation::CopyPropaga
         }
       }
 
-      // 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::CopyPropaga
       // 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
       // ...