From: Bill Wendling <isanbard@gmail.com>
Date: Thu, 23 Jun 2011 07:55:41 +0000 (+0000)
Subject: Use a reference. Don't make a useless copy of the vector.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=5b46e8e6b82226810d0d6440b7b5fb05e68df5e8;p=oota-llvm.git

Use a reference. Don't make a useless copy of the vector.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133707 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/MC/MCDwarf.cpp b/lib/MC/MCDwarf.cpp
index a35506bacc6..d232d84cc36 100644
--- a/lib/MC/MCDwarf.cpp
+++ b/lib/MC/MCDwarf.cpp
@@ -759,7 +759,7 @@ const MCSymbol &FrameEmitterImpl::EmitCIE(MCStreamer &streamer,
 
   // Initial Instructions
 
-  const std::vector<MachineMove> Moves = asmInfo.getInitialFrameState();
+  const std::vector<MachineMove> &Moves = asmInfo.getInitialFrameState();
   std::vector<MCCFIInstruction> Instructions;
 
   for (int i = 0, n = Moves.size(); i != n; ++i) {