[cfe-commits] r141970 - /cfe/trunk/lib/CodeGen/CGDebugInfo.cpp

[Benjamin Kramer]

Author: d0k
Date: Fri Oct 14 13:45:16 2011
New Revision: 141970

URL: http://llvm.org/viewvc/llvm-project?rev=141970&view=rev
Log:
Simplify code to avoid a useless string copy.

Modified:
    cfe/trunk/lib/CodeGen/CGDebugInfo.cpp

Modified: cfe/trunk/lib/CodeGen/CGDebugInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGDebugInfo.cpp?rev=141970&r1=141969&r2=141970&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGDebugInfo.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGDebugInfo.cpp Fri Oct 14 13:45:16 2011
@@ -156,12 +156,10 @@
 /// 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.