Basic: import SmallString<> into clang namespace

(I was going to fix the TODO about DenseMap too, but
that would break self-host right now. See PR11922.)

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149799 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/ASTContext.cpp b/lib/AST/ASTContext.cpp
index 335382b..20c5d48 100644
--- a/lib/AST/ASTContext.cpp
+++ b/lib/AST/ASTContext.cpp
@@ -3966,7 +3966,7 @@
   bool HasCopyAndDispose = BlockRequiresCopying(Ty);
 
   // FIXME: Move up
-  llvm::SmallString<36> Name;
+  SmallString<36> Name;
   llvm::raw_svector_ostream(Name) << "__Block_byref_" <<
                                   ++UniqueBlockByRefTypeID << '_' << DeclName;
   RecordDecl *T;
diff --git a/lib/AST/DumpXML.cpp b/lib/AST/DumpXML.cpp
index 3ce02b0..dcbc518 100644
--- a/lib/AST/DumpXML.cpp
+++ b/lib/AST/DumpXML.cpp
@@ -223,7 +223,7 @@
   //---- General utilities -------------------------------------------//
 
   void setPointer(StringRef prop, const void *p) {
-    llvm::SmallString<10> buffer;
+    SmallString<10> buffer;
     llvm::raw_svector_ostream os(buffer);
     os << p;
     os.flush();
@@ -239,7 +239,7 @@
   }
 
   void setInteger(StringRef prop, unsigned n) {
-    llvm::SmallString<10> buffer;
+    SmallString<10> buffer;
     llvm::raw_svector_ostream os(buffer);
     os << n;
     os.flush();
diff --git a/lib/AST/Expr.cpp b/lib/AST/Expr.cpp
index fc0b9a7..8738e5f 100644
--- a/lib/AST/Expr.cpp
+++ b/lib/AST/Expr.cpp
@@ -368,7 +368,7 @@
     if (IT != PrettyFunction && IT != PrettyFunctionNoVirtual)
       return FD->getNameAsString();
 
-    llvm::SmallString<256> Name;
+    SmallString<256> Name;
     llvm::raw_svector_ostream Out(Name);
 
     if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD)) {
@@ -421,7 +421,7 @@
     return Name.str().str();
   }
   if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(CurrentDecl)) {
-    llvm::SmallString<256> Name;
+    SmallString<256> Name;
     llvm::raw_svector_ostream Out(Name);
     Out << (MD->isInstanceMethod() ? '-' : '+');
     Out << '[';
diff --git a/lib/AST/ItaniumMangle.cpp b/lib/AST/ItaniumMangle.cpp
index 5dbcf22..9c697ed 100644
--- a/lib/AST/ItaniumMangle.cpp
+++ b/lib/AST/ItaniumMangle.cpp
@@ -1083,7 +1083,7 @@
     // Mangle it as a source name in the form
     // [n] $_<id>
     // where n is the length of the string.
-    llvm::SmallString<8> Str;
+    SmallString<8> Str;
     Str += "$_";
     Str += llvm::utostr(AnonStructId);
 
@@ -1291,7 +1291,7 @@
 
   if (const BlockDecl *Block = dyn_cast<BlockDecl>(DC)) {
     manglePrefix(DC->getParent(), NoFunction);    
-    llvm::SmallString<64> Name;
+    SmallString<64> Name;
     llvm::raw_svector_ostream NameStream(Name);
     Context.mangleBlock(Block, NameStream);
     NameStream.flush();
@@ -1555,7 +1555,7 @@
     // 
     // where <address-space-number> is a source name consisting of 'AS' 
     // followed by the address space <number>.
-    llvm::SmallString<64> ASString;
+    SmallString<64> ASString;
     ASString = "AS" + llvm::utostr_32(Quals.getAddressSpace());
     Out << 'U' << ASString.size() << ASString;
   }
diff --git a/lib/AST/Mangle.cpp b/lib/AST/Mangle.cpp
index 68e0098..c1f762b 100644
--- a/lib/AST/Mangle.cpp
+++ b/lib/AST/Mangle.cpp
@@ -70,7 +70,7 @@
                                     CXXCtorType CT, const BlockDecl *BD,
                                     raw_ostream &ResStream) {
   checkMangleDC(CD, BD);
-  llvm::SmallString<64> Buffer;
+  SmallString<64> Buffer;
   llvm::raw_svector_ostream Out(Buffer);
   mangleCXXCtor(CD, CT, Out);
   Out.flush();
@@ -81,7 +81,7 @@
                                     CXXDtorType DT, const BlockDecl *BD,
                                     raw_ostream &ResStream) {
   checkMangleDC(DD, BD);
-  llvm::SmallString<64> Buffer;
+  SmallString<64> Buffer;
   llvm::raw_svector_ostream Out(Buffer);
   mangleCXXDtor(DD, DT, Out);
   Out.flush();
@@ -93,7 +93,7 @@
   assert(!isa<CXXConstructorDecl>(DC) && !isa<CXXDestructorDecl>(DC));
   checkMangleDC(DC, BD);
 
-  llvm::SmallString<64> Buffer;
+  SmallString<64> Buffer;
   llvm::raw_svector_ostream Stream(Buffer);
   if (const ObjCMethodDecl *Method = dyn_cast<ObjCMethodDecl>(DC)) {
     mangleObjCMethodName(Method, Stream);
@@ -116,7 +116,7 @@
 
 void MangleContext::mangleObjCMethodName(const ObjCMethodDecl *MD,
                                          raw_ostream &Out) {
-  llvm::SmallString<64> Name;
+  SmallString<64> Name;
   llvm::raw_svector_ostream OS(Name);
   
   const ObjCContainerDecl *CD =
diff --git a/lib/AST/StmtPrinter.cpp b/lib/AST/StmtPrinter.cpp
index df8ddb5..7077be1 100644
--- a/lib/AST/StmtPrinter.cpp
+++ b/lib/AST/StmtPrinter.cpp
@@ -698,7 +698,7 @@
   }
 }
 void StmtPrinter::VisitFloatingLiteral(FloatingLiteral *Node) {
-  llvm::SmallString<16> Str;
+  SmallString<16> Str;
   Node->getValue().toString(Str);
   OS << Str;
 }
diff --git a/lib/AST/TemplateBase.cpp b/lib/AST/TemplateBase.cpp
index 0eaf760..2516597 100644
--- a/lib/AST/TemplateBase.cpp
+++ b/lib/AST/TemplateBase.cpp
@@ -503,7 +503,7 @@
     // This shouldn't actually ever happen, so it's okay that we're
     // regurgitating an expression here.
     // FIXME: We're guessing at LangOptions!
-    llvm::SmallString<32> Str;
+    SmallString<32> Str;
     llvm::raw_svector_ostream OS(Str);
     LangOptions LangOpts;
     LangOpts.CPlusPlus = true;
@@ -514,7 +514,7 @@
       
   case TemplateArgument::Pack: {
     // FIXME: We're guessing at LangOptions!
-    llvm::SmallString<32> Str;
+    SmallString<32> Str;
     llvm::raw_svector_ostream OS(Str);
     LangOptions LangOpts;
     LangOpts.CPlusPlus = true;