Subzero: Remove IceString.

src/IceTranslator.cpp

 //===- subzero/src/IceTranslator.cpp - ICE to machine code ------*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 10 matching lines @@
 #include "IceTargetLowering.h"
 
 #include <utility>
 
 namespace Ice {
 
 Translator::Translator(GlobalContext *Ctx)
     : Ctx(Ctx), NextSequenceNumber(GlobalContext::getFirstSequenceNumber()),
       ErrorStatus() {}
 
-IceString Translator::createUnnamedName(const IceString &Prefix, SizeT Index) {
+std::string Translator::createUnnamedName(const std::string &Prefix,
+                                          SizeT Index) {
   if (Index == 0)
     return Prefix;
   std::string Buffer;
   llvm::raw_string_ostream StrBuf(Buffer);
   StrBuf << Prefix << Index;
   return StrBuf.str();
 }
 
-bool Translator::checkIfUnnamedNameSafe(const IceString &Name, const char *Kind,
-                                        const IceString &Prefix) {
+bool Translator::checkIfUnnamedNameSafe(const std::string &Name,
+                                        const char *Kind,
+                                        const std::string &Prefix) {
   if (Name.find(Prefix) == 0) {
     for (size_t i = Prefix.size(); i < Name.size(); ++i) {
       if (!isdigit(Name[i])) {
         return false;
       }
     }
     OstreamLocker L(Ctx);
     Ostream &Stream = Ctx->getStrDump();
     Stream << "Warning : Default " << Kind << " prefix '" << Prefix
            << "' potentially conflicts with name '" << Name << "'.\n";
     return true;
   }
   return false;
 }
 
 void Translator::translateFcn(std::unique_ptr<Cfg> Func) {
   Ctx->optQueueBlockingPush(std::move(Func));
 }
 
 void Translator::lowerGlobals(
     std::unique_ptr<VariableDeclarationList> VariableDeclarations) {
   Ctx->emitQueueBlockingPush(makeUnique<EmitterWorkItem>(
       getNextSequenceNumber(), std::move(VariableDeclarations)));
 }
 
 } // end of namespace Ice