From 5aaf677a3738c64f6c120cd06436a930bb674ff5 Mon Sep 17 00:00:00 2001
From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Sun, 25 Jul 2010 23:18:32 +0000
Subject: [PATCH] Reduce string trashing.

llvm-svn: 109386
---
 llvm/lib/VMCore/InlineAsm.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/lib/VMCore/InlineAsm.cpp b/llvm/lib/VMCore/InlineAsm.cpp
index 0d2eca9c3dea..69f713b2c42c 100644
--- a/llvm/lib/VMCore/InlineAsm.cpp
+++ b/llvm/lib/VMCore/InlineAsm.cpp
@@ -164,7 +164,7 @@ InlineAsm::ParseConstraints(StringRef Constraints) {
     StringRef::iterator ConstraintEnd = std::find(I, E, ',');
 
     if (ConstraintEnd == I ||  // Empty constraint like ",,"
-        Info.Parse(std::string(I, ConstraintEnd), Result)) {
+        Info.Parse(StringRef(I, ConstraintEnd-I), Result)) {
       Result.clear();          // Erroneous constraint?
       break;
     }
-- 
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