Teach Twine to support SmallString.

Enable removing .str() member calls for these frequent cases. 

 http://reviews.llvm.org/D6372

llvm-svn: 232465

1 files changed, 6 insertions, 9 deletions

diff --git a/llvm/lib/MC/MCContext.cpp b/llvm/lib/MC/MCContext.cpp
index 82f1da2c15f..608d958fc8e 100644
--- a/llvm/lib/MC/MCContext.cpp
+++ b/llvm/lib/MC/MCContext.cpp
@@ -98,13 +98,15 @@ void MCContext::reset() {
 // Symbol Manipulation
 //===----------------------------------------------------------------------===//
 
-MCSymbol *MCContext::GetOrCreateSymbol(StringRef Name) {
-  assert(!Name.empty() && "Normal symbols cannot be unnamed!");
+MCSymbol *MCContext::GetOrCreateSymbol(const Twine &Name) {
+  SmallString<128> NameSV;
+  StringRef NameRef = Name.toStringRef(NameSV);
 
-  MCSymbol *&Sym = Symbols[Name];
+  assert(!NameRef.empty() && "Normal symbols cannot be unnamed!");
 
+  MCSymbol *&Sym = Symbols[NameRef];
   if (!Sym)
-    Sym = CreateSymbol(Name);
+    Sym = CreateSymbol(NameRef);
 
   return Sym;
 }
@@ -168,11 +170,6 @@ MCSymbol *MCContext::createTempSymbol(const Twine &Name) {
   return CreateSymbol(NameSV);
 }
 
-MCSymbol *MCContext::GetOrCreateSymbol(const Twine &Name) {
-  SmallString<128> NameSV;
-  return GetOrCreateSymbol(Name.toStringRef(NameSV));
-}
-
 MCSymbol *MCContext::CreateLinkerPrivateTempSymbol() {
   SmallString<128> NameSV;
   raw_svector_ostream(NameSV)