Subzero: Emit functions and global initializers in a separate thread.

src/llvm2ice.cpp

 //===- subzero/src/llvm2ice.cpp - Driver for testing ----------------------===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file defines a driver that uses LLVM capabilities to parse a
@@ skipping 356 matching lines @@
   if (UseELFWriter) {
     Ice::TimerMarker T1(Ice::TimerStack::TT_emit, &Ctx);
     Ctx.getObjectWriter()->writeInitialELFHeader();
   }
 
   Ctx.startWorkerThreads();
 
   std::unique_ptr<Ice::Translator> Translator;
   if (BuildOnRead) {
     std::unique_ptr<Ice::PNaClTranslator> PTranslator(
-        new Ice::PNaClTranslator(&Ctx, Flags));
+        new Ice::PNaClTranslator(&Ctx));
     PTranslator->translate(IRFilename);
     Translator.reset(PTranslator.release());
   } else if (ALLOW_LLVM_IR) {
     // Parse the input LLVM IR file into a module.
     SMDiagnostic Err;
     Ice::TimerMarker T1(Ice::TimerStack::TT_parse, &Ctx);
     raw_ostream *Verbose = LLVMVerboseErrors ? &errs() : nullptr;
     Module *Mod = NaClParseIRFile(IRFilename, InputFileFormat, Err, Verbose,
                                   getGlobalContext());
 
     if (!Mod) {
       Err.print(argv[0], errs());
       return GetReturnValue(Ice::EC_Bitcode);
     }
 
-    std::unique_ptr<Ice::Converter> Converter(
-        new Ice::Converter(Mod, &Ctx, Flags));
+    std::unique_ptr<Ice::Converter> Converter(new Ice::Converter(Mod, &Ctx));
     Converter->convertToIce();
     Translator.reset(Converter.release());
   } else {
     *Ls << "Error: Build doesn't allow LLVM IR, "
         << "--build-on-read=0 not allowed\n";
     return GetReturnValue(Ice::EC_Args);
   }
 
   Ctx.waitForWorkerThreads();
   Translator->transferErrorCode();
   Translator->emitConstants();
 
   if (UseELFWriter) {
     Ice::TimerMarker T1(Ice::TimerStack::TT_emit, &Ctx);
     Ctx.getObjectWriter()->setUndefinedSyms(Ctx.getConstantExternSyms());
     Ctx.getObjectWriter()->writeNonUserSections();
   }
   if (SubzeroTimingEnabled)
     Ctx.dumpTimers();
   if (TimeEachFunction) {
     const bool DumpCumulative = false;
     Ctx.dumpTimers(Ice::GlobalContext::TSK_Funcs, DumpCumulative);
   }
   const bool FinalStats = true;
   Ctx.dumpStats("_FINAL_", FinalStats);
   return GetReturnValue(Ctx.getErrorStatus()->value());
 }