From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Fri, 14 Oct 2011 18:45:16 +0000 (+0000)
Subject: Simplify code to avoid a useless string copy.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=2b5cfbc0b074ef77ccac407533d27778ace4028c;p=clang

Simplify code to avoid a useless string copy.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141970 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/CGDebugInfo.cpp b/lib/CodeGen/CGDebugInfo.cpp
index 5ae4dfe83c..39a9ef788f 100644
--- a/lib/CodeGen/CGDebugInfo.cpp
+++ b/lib/CodeGen/CGDebugInfo.cpp
@@ -156,12 +156,10 @@ StringRef CGDebugInfo::getObjCMethodName(const ObjCMethodDecl *OMD) {
 /// getSelectorName - Return selector name. This is used for debugging
 /// info.
 StringRef CGDebugInfo::getSelectorName(Selector S) {
-  llvm::SmallString<256> SName;
-  llvm::raw_svector_ostream OS(SName);
-  OS << S.getAsString();
-  char *StrPtr = DebugInfoNames.Allocate<char>(OS.tell());
-  memcpy(StrPtr, SName.begin(), OS.tell());
-  return StringRef(StrPtr, OS.tell());
+  const std::string &SName = S.getAsString();
+  char *StrPtr = DebugInfoNames.Allocate<char>(SName.size());
+  memcpy(StrPtr, SName.data(), SName.size());
+  return StringRef(StrPtr, SName.size());
 }
 
 /// getClassName - Get class name including template argument list.