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, 2 insertions, 7 deletions

diff --git a/llvm/lib/Option/ArgList.cpp b/llvm/lib/Option/ArgList.cpp
index 2de55ce73dd..f2547d68842 100644
--- a/llvm/lib/Option/ArgList.cpp
+++ b/llvm/lib/Option/ArgList.cpp
@@ -285,11 +285,6 @@ void ArgList::ClaimAllArgs() const {
       (*it)->claim();
 }
 
-const char *ArgList::MakeArgString(const Twine &T) const {
-  SmallString<256> Str;
-  return MakeArgString(T.toStringRef(Str));
-}
-
 const char *ArgList::GetOrMakeJoinedArgString(unsigned Index,
                                               StringRef LHS,
                                               StringRef RHS) const {
@@ -334,7 +329,7 @@ unsigned InputArgList::MakeIndex(StringRef String0,
   return Index0;
 }
 
-const char *InputArgList::MakeArgString(StringRef Str) const {
+const char *InputArgList::MakeArgStringRef(StringRef Str) const {
   return getArgString(MakeIndex(Str));
 }
 
@@ -345,7 +340,7 @@ DerivedArgList::DerivedArgList(const InputArgList &BaseArgs)
 
 DerivedArgList::~DerivedArgList() {}
 
-const char *DerivedArgList::MakeArgString(StringRef Str) const {
+const char *DerivedArgList::MakeArgStringRef(StringRef Str) const {
   return BaseArgs.MakeArgString(Str);
 }