From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Sun, 25 Jul 2010 23:18:32 +0000 (+0000)
Subject: Reduce string trashing.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=82d5baec32054849e760625e2413a27edfd1a9fc;p=oota-llvm.git

Reduce string trashing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109386 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/VMCore/InlineAsm.cpp b/lib/VMCore/InlineAsm.cpp
index 0d2eca9c3de..69f713b2c42 100644
--- a/lib/VMCore/InlineAsm.cpp
+++ b/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;
     }