diff --git a/lib/Lex/HeaderMap.cpp b/lib/Lex/HeaderMap.cpp
index 9a0b4e9..bbfc1df 100644
--- a/lib/Lex/HeaderMap.cpp
+++ b/lib/Lex/HeaderMap.cpp
@@ -220,7 +220,7 @@
 
     // If so, we have a match in the hash table.  Construct the destination
     // path.
-    llvm::SmallString<1024> DestPath;
+    SmallString<1024> DestPath;
     DestPath += getString(B.Prefix);
     DestPath += getString(B.Suffix);
     return FM.getFile(DestPath.str());
diff --git a/lib/Lex/HeaderSearch.cpp b/lib/Lex/HeaderSearch.cpp
index e3a6c52..39b49a3 100644
--- a/lib/Lex/HeaderSearch.cpp
+++ b/lib/Lex/HeaderSearch.cpp
@@ -110,7 +110,7 @@
     return std::string();
 
 
-  llvm::SmallString<256> Result(ModuleCachePath);
+  SmallString<256> Result(ModuleCachePath);
   llvm::sys::path::append(Result, Module->getTopLevelModule()->Name + ".pcm");
   return Result.str().str();
 }
@@ -121,7 +121,7 @@
     return std::string();
   
   
-  llvm::SmallString<256> Result(ModuleCachePath);
+  SmallString<256> Result(ModuleCachePath);
   llvm::sys::path::append(Result, ModuleName + ".pcm");
   return Result.str().str();
 }
@@ -137,7 +137,7 @@
   for (unsigned Idx = 0, N = SearchDirs.size(); Idx != N; ++Idx) {
     if (SearchDirs[Idx].isFramework()) {
       // Search for or infer a module map for a framework.
-      llvm::SmallString<128> FrameworkDirName;
+      SmallString<128> FrameworkDirName;
       FrameworkDirName += SearchDirs[Idx].getFrameworkDir()->getName();
       llvm::sys::path::append(FrameworkDirName, ModuleName + ".framework");
       if (const DirectoryEntry *FrameworkDir 
@@ -167,7 +167,7 @@
               
     // Search for a module map in a subdirectory with the same name as the
     // module.
-    llvm::SmallString<128> NestedModuleMapDirName;
+    SmallString<128> NestedModuleMapDirName;
     NestedModuleMapDirName = SearchDirs[Idx].getDir()->getName();
     llvm::sys::path::append(NestedModuleMapDirName, ModuleName);
     if (loadModuleMapFile(NestedModuleMapDirName) == LMM_NewlyLoaded) {
@@ -205,7 +205,7 @@
     SmallVectorImpl<char> *SearchPath,
     SmallVectorImpl<char> *RelativePath,
     Module **SuggestedModule) const {
-  llvm::SmallString<1024> TmpDir;
+  SmallString<1024> TmpDir;
   if (isNormalDir()) {
     // Concatenate the requested file onto the directory.
     TmpDir = getDir()->getName();
@@ -286,7 +286,7 @@
   // Otherwise, construct the path to this framework dir.
 
   // FrameworkName = "/System/Library/Frameworks/"
-  llvm::SmallString<1024> FrameworkName;
+  SmallString<1024> FrameworkName;
   FrameworkName += getFrameworkDir()->getName();
   if (FrameworkName.empty() || FrameworkName.back() != '/')
     FrameworkName.push_back('/');
@@ -418,7 +418,7 @@
   // a subsequent include of "baz.h" should resolve to "whatever/foo/baz.h".
   // This search is not done for <> headers.
   if (CurFileEnt && !isAngled && !NoCurDirSearch) {
-    llvm::SmallString<1024> TmpDir;
+    SmallString<1024> TmpDir;
     // Concatenate the requested file onto the directory.
     // FIXME: Portability.  Filename concatenation should be in sys::Path.
     TmpDir += CurFileEnt->getDir()->getName();
@@ -512,7 +512,7 @@
   if (CurFileEnt && !isAngled && Filename.find('/') == StringRef::npos) {
     HeaderFileInfo &IncludingHFI = getFileInfo(CurFileEnt);
     if (IncludingHFI.IndexHeaderMapHeader) {
-      llvm::SmallString<128> ScratchFilename;
+      SmallString<128> ScratchFilename;
       ScratchFilename += IncludingHFI.Framework;
       ScratchFilename += '/';
       ScratchFilename += Filename;
@@ -562,7 +562,7 @@
        FrameworkPos[DotFrameworkLen] != '\\'))
     return 0;
 
-  llvm::SmallString<1024> FrameworkName(ContextName,
+  SmallString<1024> FrameworkName(ContextName,
                                         FrameworkPos+DotFrameworkLen+1);
 
   // Append Frameworks/HIToolbox.framework/
@@ -601,7 +601,7 @@
   }
 
   // Check ".../Frameworks/HIToolbox.framework/Headers/HIToolbox.h"
-  llvm::SmallString<1024> HeadersFilename(FrameworkName);
+  SmallString<1024> HeadersFilename(FrameworkName);
   HeadersFilename += "Headers/";
   if (SearchPath != NULL) {
     SearchPath->clear();
@@ -647,7 +647,7 @@
   // it has no file entry. For now, workaround this by using an
   // absolute path if we find the file here, and otherwise letting
   // header search handle it.
-  llvm::SmallString<128> Path(File);
+  SmallString<128> Path(File);
   llvm::sys::fs::make_absolute(Path);
   bool exists;
   if (llvm::sys::fs::exists(Path.str(), exists) || !exists)
@@ -831,7 +831,7 @@
   if (!Result && llvm::sys::path::filename(File->getName()) == "module.map") {
     // If the file we loaded was a module.map, look for the corresponding
     // module_private.map.
-    llvm::SmallString<128> PrivateFilename(Dir->getName());
+    SmallString<128> PrivateFilename(Dir->getName());
     llvm::sys::path::append(PrivateFilename, "module_private.map");
     if (const FileEntry *PrivateFile = FileMgr.getFile(PrivateFilename))
       Result = ModMap.parseModuleMapFile(PrivateFile);
@@ -922,7 +922,7 @@
   if (KnownDir != DirectoryHasModuleMap.end())
     return KnownDir->second? LMM_AlreadyLoaded : LMM_InvalidModuleMap;
   
-  llvm::SmallString<128> ModuleMapFileName;
+  SmallString<128> ModuleMapFileName;
   ModuleMapFileName += Dir->getName();
   unsigned ModuleMapDirNameLen = ModuleMapFileName.size();
   llvm::sys::path::append(ModuleMapFileName, "module.map");
@@ -965,7 +965,7 @@
   for (unsigned Idx = 0, N = SearchDirs.size(); Idx != N; ++Idx) {
     if (SearchDirs[Idx].isFramework()) {
       llvm::error_code EC;
-      llvm::SmallString<128> DirNative;
+      SmallString<128> DirNative;
       llvm::sys::path::native(SearchDirs[Idx].getFrameworkDir()->getName(),
                               DirNative);
       
@@ -997,7 +997,7 @@
     // Try to load module map files for immediate subdirectories of this search
     // directory.
     llvm::error_code EC;
-    llvm::SmallString<128> DirNative;
+    SmallString<128> DirNative;
     llvm::sys::path::native(SearchDirs[Idx].getDir()->getName(), DirNative);
     for (llvm::sys::fs::directory_iterator Dir(DirNative.str(), EC), DirEnd;
          Dir != DirEnd && !EC; Dir.increment(EC)) {
diff --git a/lib/Lex/LiteralSupport.cpp b/lib/Lex/LiteralSupport.cpp
index 290455f..74c396c 100644
--- a/lib/Lex/LiteralSupport.cpp
+++ b/lib/Lex/LiteralSupport.cpp
@@ -1036,7 +1036,7 @@
   ResultBuf.resize(SizeBound);
 
   // Likewise, but for each string piece.
-  llvm::SmallString<512> TokenBuf;
+  SmallString<512> TokenBuf;
   TokenBuf.resize(MaxTokenLength);
 
   // Loop over all the strings, getting their spelling, and expanding them to
@@ -1245,7 +1245,7 @@
 unsigned StringLiteralParser::getOffsetOfStringByte(const Token &Tok,
                                                     unsigned ByteNo) const {
   // Get the spelling of the token.
-  llvm::SmallString<32> SpellingBuffer;
+  SmallString<32> SpellingBuffer;
   SpellingBuffer.resize(Tok.getLength());
 
   bool StringInvalid = false;
diff --git a/lib/Lex/MacroArgs.cpp b/lib/Lex/MacroArgs.cpp
index 16ca525..d9a96a2 100644
--- a/lib/Lex/MacroArgs.cpp
+++ b/lib/Lex/MacroArgs.cpp
@@ -198,7 +198,7 @@
   const Token *ArgTokStart = ArgToks;
 
   // Stringify all the tokens.
-  llvm::SmallString<128> Result;
+  SmallString<128> Result;
   Result += "\"";
 
   bool isFirst = true;
diff --git a/lib/Lex/ModuleMap.cpp b/lib/Lex/ModuleMap.cpp
index c1c5066..84ac080 100644
--- a/lib/Lex/ModuleMap.cpp
+++ b/lib/Lex/ModuleMap.cpp
@@ -299,7 +299,7 @@
   FileManager &FileMgr = SourceMgr->getFileManager();
   
   // Look for an umbrella header.
-  llvm::SmallString<128> UmbrellaName = StringRef(FrameworkDir->getName());
+  SmallString<128> UmbrellaName = StringRef(FrameworkDir->getName());
   llvm::sys::path::append(UmbrellaName, "Headers");
   llvm::sys::path::append(UmbrellaName, ModuleName + ".h");
   const FileEntry *UmbrellaHeader = FileMgr.getFile(UmbrellaName);
@@ -332,10 +332,10 @@
   
   // Look for subframeworks.
   llvm::error_code EC;
-  llvm::SmallString<128> SubframeworksDirName
+  SmallString<128> SubframeworksDirName
     = StringRef(FrameworkDir->getName());
   llvm::sys::path::append(SubframeworksDirName, "Frameworks");
-  llvm::SmallString<128> SubframeworksDirNameNative;
+  SmallString<128> SubframeworksDirNameNative;
   llvm::sys::path::native(SubframeworksDirName.str(),
                           SubframeworksDirNameNative);
   for (llvm::sys::fs::directory_iterator 
@@ -1082,7 +1082,7 @@
   // Look for this file.
   const FileEntry *File = 0;
   const FileEntry *BuiltinFile = 0;
-  llvm::SmallString<128> PathName;
+  SmallString<128> PathName;
   if (llvm::sys::path::is_absolute(FileName)) {
     PathName = FileName;
     File = SourceMgr.getFileManager().getFile(PathName);
@@ -1120,7 +1120,7 @@
       // supplied by Clang. Find that builtin header.
       if (ActiveModule->IsSystem && !Umbrella && BuiltinIncludeDir &&
           BuiltinIncludeDir != Directory && isBuiltinHeader(FileName)) {
-        llvm::SmallString<128> BuiltinPathName(BuiltinIncludeDir->getName());
+        SmallString<128> BuiltinPathName(BuiltinIncludeDir->getName());
         llvm::sys::path::append(BuiltinPathName, FileName);
         BuiltinFile = SourceMgr.getFileManager().getFile(BuiltinPathName);
         
@@ -1196,7 +1196,7 @@
   if (llvm::sys::path::is_absolute(DirName))
     Dir = SourceMgr.getFileManager().getDirectory(DirName);
   else {
-    llvm::SmallString<128> PathName;
+    SmallString<128> PathName;
     PathName = Directory->getName();
     llvm::sys::path::append(PathName, DirName);
     Dir = SourceMgr.getFileManager().getDirectory(PathName);
diff --git a/lib/Lex/PPDirectives.cpp b/lib/Lex/PPDirectives.cpp
index 9f2309e..748bc38 100644
--- a/lib/Lex/PPDirectives.cpp
+++ b/lib/Lex/PPDirectives.cpp
@@ -738,7 +738,7 @@
     return true;
   }
 
-  llvm::SmallString<64> IntegerBuffer;
+  SmallString<64> IntegerBuffer;
   IntegerBuffer.resize(DigitTok.getLength());
   const char *DigitTokBegin = &IntegerBuffer[0];
   bool Invalid = false;
@@ -1173,7 +1173,7 @@
 /// false if the > was found, otherwise it returns true if it finds and consumes
 /// the EOD marker.
 bool Preprocessor::ConcatenateIncludeName(
-                                        llvm::SmallString<128> &FilenameBuffer,
+                                        SmallString<128> &FilenameBuffer,
                                           SourceLocation &End) {
   Token CurTok;
 
@@ -1235,7 +1235,7 @@
   CurPPLexer->LexIncludeFilename(FilenameTok);
 
   // Reserve a buffer to get the spelling.
-  llvm::SmallString<128> FilenameBuffer;
+  SmallString<128> FilenameBuffer;
   StringRef Filename;
   SourceLocation End;
   SourceLocation CharEnd; // the end of this directive, in characters
@@ -1299,8 +1299,8 @@
 
   // Search include directories.
   const DirectoryLookup *CurDir;
-  llvm::SmallString<1024> SearchPath;
-  llvm::SmallString<1024> RelativePath;
+  SmallString<1024> SearchPath;
+  SmallString<1024> RelativePath;
   // We get the raw path only if we have 'Callbacks' to which we later pass
   // the path.
   Module *SuggestedModule = 0;
@@ -1312,7 +1312,7 @@
   if (Callbacks) {
     if (!File) {
       // Give the clients a chance to recover.
-      llvm::SmallString<128> RecoveryPath;
+      SmallString<128> RecoveryPath;
       if (Callbacks->FileNotFound(Filename, RecoveryPath)) {
         if (const DirectoryEntry *DE = FileMgr.getDirectory(RecoveryPath)) {
           // Add the recovery path to the list of search paths.
@@ -1351,7 +1351,7 @@
     std::reverse(Path.begin(), Path.end());
 
     // Warn that we're replacing the include/import with a module import.
-    llvm::SmallString<128> PathString;
+    SmallString<128> PathString;
     for (unsigned I = 0, N = Path.size(); I != N; ++I) {
       if (I)
         PathString += '.';
diff --git a/lib/Lex/PPExpressions.cpp b/lib/Lex/PPExpressions.cpp
index 4ce48e0..c4ab143 100644
--- a/lib/Lex/PPExpressions.cpp
+++ b/lib/Lex/PPExpressions.cpp
@@ -197,7 +197,7 @@
     PP.Diag(PeekTok, diag::err_pp_expected_value_in_expr);
     return true;
   case tok::numeric_constant: {
-    llvm::SmallString<64> IntegerBuffer;
+    SmallString<64> IntegerBuffer;
     bool NumberInvalid = false;
     StringRef Spelling = PP.getSpelling(PeekTok, IntegerBuffer, 
                                               &NumberInvalid);
@@ -251,7 +251,7 @@
   case tok::wide_char_constant: {   // L'x'
   case tok::utf16_char_constant:    // u'x'
   case tok::utf32_char_constant:    // U'x'
-    llvm::SmallString<32> CharBuffer;
+    SmallString<32> CharBuffer;
     bool CharInvalid = false;
     StringRef ThisTok = PP.getSpelling(PeekTok, CharBuffer, &CharInvalid);
     if (CharInvalid)
diff --git a/lib/Lex/PPLexerChange.cpp b/lib/Lex/PPLexerChange.cpp
index 11c7870..3056e0c 100644
--- a/lib/Lex/PPLexerChange.cpp
+++ b/lib/Lex/PPLexerChange.cpp
@@ -206,7 +206,7 @@
 /// the given directory.
 static void computeRelativePath(FileManager &FM, const DirectoryEntry *Dir,
                                 const FileEntry *File,
-                                llvm::SmallString<128> &Result) {
+                                SmallString<128> &Result) {
   Result.clear();
 
   StringRef FilePath = File->getDir()->getName();
@@ -375,7 +375,7 @@
             if (!getSourceManager().hasFileInfo(Header)) {
               if (!ModMap.isHeaderInUnavailableModule(Header)) {
                 // Find the relative path that would access this header.
-                llvm::SmallString<128> RelativePath;
+                SmallString<128> RelativePath;
                 computeRelativePath(FileMgr, Dir, Header, RelativePath);              
                 Diag(StartLoc, diag::warn_uncovered_module_header)
                   << RelativePath;
diff --git a/lib/Lex/PPMacroExpansion.cpp b/lib/Lex/PPMacroExpansion.cpp
index 8793ff5..3fe3ab3 100644
--- a/lib/Lex/PPMacroExpansion.cpp
+++ b/lib/Lex/PPMacroExpansion.cpp
@@ -776,7 +776,7 @@
   PP.getCurrentLexer()->LexIncludeFilename(Tok);
 
   // Reserve a buffer to get the spelling.
-  llvm::SmallString<128> FilenameBuffer;
+  SmallString<128> FilenameBuffer;
   StringRef Filename;
   SourceLocation EndLoc;
   
@@ -878,7 +878,7 @@
 
   ++NumBuiltinMacroExpanded;
 
-  llvm::SmallString<128> TmpBuffer;
+  SmallString<128> TmpBuffer;
   llvm::raw_svector_ostream OS(TmpBuffer);
 
   // Set up the return result.
@@ -925,7 +925,7 @@
     }
 
     // Escape this filename.  Turn '\' -> '\\' '"' -> '\"'
-    llvm::SmallString<128> FN;
+    SmallString<128> FN;
     if (PLoc.isValid()) {
       FN += PLoc.getFilename();
       Lexer::Stringify(FN);
diff --git a/lib/Lex/Pragma.cpp b/lib/Lex/Pragma.cpp
index 1ccfe8c..503fffe 100644
--- a/lib/Lex/Pragma.cpp
+++ b/lib/Lex/Pragma.cpp
@@ -353,7 +353,7 @@
     return;
 
   // Reserve a buffer to get the spelling.
-  llvm::SmallString<128> FilenameBuffer;
+  SmallString<128> FilenameBuffer;
   bool Invalid = false;
   StringRef Filename = getSpelling(FilenameTok, FilenameBuffer, &Invalid);
   if (Invalid)
diff --git a/lib/Lex/Preprocessor.cpp b/lib/Lex/Preprocessor.cpp
index b6653fc..7033e9c 100644
--- a/lib/Lex/Preprocessor.cpp
+++ b/lib/Lex/Preprocessor.cpp
@@ -470,7 +470,7 @@
                                            Identifier.getLength()));
   } else {
     // Cleaning needed, alloca a buffer, clean into it, then use the buffer.
-    llvm::SmallString<64> IdentifierBuffer;
+    SmallString<64> IdentifierBuffer;
     StringRef CleanedStr = getSpelling(Identifier, IdentifierBuffer);
     II = getIdentifierInfo(CleanedStr);
   }
diff --git a/lib/Lex/TokenLexer.cpp b/lib/Lex/TokenLexer.cpp
index e036c42..5102cce 100644
--- a/lib/Lex/TokenLexer.cpp
+++ b/lib/Lex/TokenLexer.cpp
@@ -450,7 +450,7 @@
 /// are more ## after it, chomp them iteratively.  Return the result as Tok.
 /// If this returns true, the caller should immediately return the token.
 bool TokenLexer::PasteTokens(Token &Tok) {
-  llvm::SmallString<128> Buffer;
+  SmallString<128> Buffer;
   const char *ResultTokStrPtr = 0;
   SourceLocation StartLoc = Tok.getLocation();
   SourceLocation PasteOpLoc;