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, 7 insertions, 7 deletions

diff --git a/llvm/lib/Support/Twine.cpp b/llvm/lib/Support/Twine.cpp
index 56ed964..d2cc75b 100644
--- a/llvm/lib/Support/Twine.cpp
+++ b/llvm/lib/Support/Twine.cpp
@@ -28,13 +28,6 @@ void Twine::toVector(SmallVectorImpl<char> &Out) const {
   print(OS);
 }
 
-StringRef Twine::toStringRef(SmallVectorImpl<char> &Out) const {
-  if (isSingleStringRef())
-    return getSingleStringRef();
-  toVector(Out);
-  return StringRef(Out.data(), Out.size());
-}
-
 StringRef Twine::toNullTerminatedStringRef(SmallVectorImpl<char> &Out) const {
   if (isUnary()) {
     switch (getLHSKind()) {
@@ -72,6 +65,9 @@ void Twine::printOneChild(raw_ostream &OS, Child Ptr,
   case Twine::StringRefKind:
     OS << *Ptr.stringRef;
     break;
+  case Twine::SmallStringKind:
+    OS << *Ptr.smallString;
+    break;
   case Twine::CharKind:
     OS << Ptr.character;
     break;
@@ -122,6 +118,10 @@ void Twine::printOneChildRepr(raw_ostream &OS, Child Ptr,
     OS << "stringref:\""
        << Ptr.stringRef << "\"";
     break;
+  case Twine::SmallStringKind:

+    OS << "smallstring:\""

+       << *Ptr.smallString << "\"";

+    break;

   case Twine::CharKind:
     OS << "char:\"" << Ptr.character << "\"";
     break;