From: Evan Cheng <evan.cheng@apple.com>
Date: Sat, 26 Sep 2009 02:43:36 +0000 (+0000)
Subject: Add comment.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=8f05c1004a642ba79c609b40cb3b6524d810b5f3;p=oota-llvm.git

Add comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82836 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/ARM/ARMLoadStoreOptimizer.cpp b/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
index e75aa4831ca..cd384805fd4 100644
--- a/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
+++ b/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
@@ -1185,6 +1185,7 @@ ARMPreAllocLoadStoreOpt::CanFormLdStDWord(MachineInstr *Op0, MachineInstr *Op1,
   } else
     return false;
 
+  // Make sure the offset registers match.
   if (!isT2 &&
       (Op0->getOperand(2).getReg() != Op1->getOperand(2).getReg()))
       return false;