Subzero: Fix symbol name mangling. Make flags global.

src/IceCompileServer.cpp

 //===- subzero/src/IceCompileServer.cpp - Compile server ------------------===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 76 matching lines @@
 std::unique_ptr<Ostream> makeStream(const IceString &Filename,
                                     std::error_code &EC) {
   if (Filename == "-") {
     return std::unique_ptr<Ostream>(new llvm::raw_os_ostream(std::cout));
   } else {
     return std::unique_ptr<Ostream>(
         new llvm::raw_fd_ostream(Filename, EC, llvm::sys::fs::F_None));
   }
 }
 
-ErrorCodes getReturnValue(const Ice::ClFlagsExtra &Flags, ErrorCodes Val) {
-  if (Flags.getAlwaysExitSuccess())
+ErrorCodes getReturnValue(ErrorCodes Val) {
+  if (GlobalContext::ExtraFlags.getAlwaysExitSuccess())
     return EC_None;
   return Val;
 }
 
 // Reports fatal error message, and then exits with success status 0.
 void reportFatalErrorThenExitSuccess(void *UserData, const std::string &Reason,
                                      bool GenCrashDag) {
   (void)UserData;
   (void)GenCrashDag;
 
@@ skipping 42 matching lines @@
   }
 }
 
 } // end of anonymous namespace
 
 void CLCompileServer::run() {
   if (BuildDefs::dump()) {
     llvm::sys::PrintStackTraceOnErrorSignal();
   }
   ClFlags::parseFlags(argc, argv);
-  ClFlags Flags;
-  ClFlagsExtra ExtraFlags;
+  ClFlags &Flags = GlobalContext::Flags;
+  ClFlagsExtra &ExtraFlags = GlobalContext::ExtraFlags;
   ClFlags::getParsedClFlags(Flags);
   ClFlags::getParsedClFlagsExtra(ExtraFlags);
 
   // Override report_fatal_error if we want to exit with 0 status.
   if (ExtraFlags.getAlwaysExitSuccess())
     llvm::install_fatal_error_handler(reportFatalErrorThenExitSuccess, this);
 
   std::error_code EC;
   std::unique_ptr<Ostream> Ls = makeStream(ExtraFlags.getLogFilename(), EC);
   if (EC) {
     llvm::report_fatal_error("Unable to open log file");
   }
   Ls->SetUnbuffered();
   std::unique_ptr<Ostream> Os;
   std::unique_ptr<ELFStreamer> ELFStr;
   switch (Flags.getOutFileType()) {
   case FT_Elf: {
     if (ExtraFlags.getOutputFilename() == "-") {
       *Ls << "Error: writing binary ELF to stdout is unsupported\n";
-      return transferErrorCode(getReturnValue(ExtraFlags, Ice::EC_Args));
+      return transferErrorCode(getReturnValue(Ice::EC_Args));
     }
     std::unique_ptr<llvm::raw_fd_ostream> FdOs(new llvm::raw_fd_ostream(
         ExtraFlags.getOutputFilename(), EC, llvm::sys::fs::F_None));
     if (EC) {
       *Ls << "Failed to open output file: " << ExtraFlags.getOutputFilename()
           << ":\n" << EC.message() << "\n";
-      return transferErrorCode(getReturnValue(ExtraFlags, Ice::EC_Args));
+      return transferErrorCode(getReturnValue(Ice::EC_Args));
     }
     ELFStr.reset(new ELFStreamer(*FdOs.get()));
     Os.reset(FdOs.release());
     // NaCl sets st_blksize to 0, and LLVM uses that to pick the default
     // preferred buffer size. Set to something non-zero.
     Os->SetBufferSize(1 << 14);
   } break;
   case FT_Asm:
   case FT_Iasm: {
     Os = makeStream(ExtraFlags.getOutputFilename(), EC);
     if (EC) {
       *Ls << "Failed to open output file: " << ExtraFlags.getOutputFilename()
           << ":\n" << EC.message() << "\n";
-      return transferErrorCode(getReturnValue(ExtraFlags, Ice::EC_Args));
+      return transferErrorCode(getReturnValue(Ice::EC_Args));
     }
     Os->SetUnbuffered();
   } break;
   }
 
   if (BuildDefs::minimal() && ExtraFlags.getBitcodeAsText())
     llvm::report_fatal_error("Can't specify 'bitcode-as-text' flag in "
                              "minimal build");
 
   IceString StrError;
   std::unique_ptr<llvm::DataStreamer> InputStream(
       (!BuildDefs::minimal() && ExtraFlags.getBitcodeAsText())
           ? TextDataStreamer::create(ExtraFlags.getIRFilename(), &StrError)
           : llvm::getDataFileStreamer(ExtraFlags.getIRFilename(), &StrError));
   if (!StrError.empty() || !InputStream) {
     llvm::SMDiagnostic Err(ExtraFlags.getIRFilename(),
                            llvm::SourceMgr::DK_Error, StrError);
     Err.print(ExtraFlags.getAppName().c_str(), *Ls);
-    return transferErrorCode(getReturnValue(ExtraFlags, Ice::EC_Bitcode));
+    return transferErrorCode(getReturnValue(Ice::EC_Bitcode));
   }
 
   if (ExtraFlags.getGenerateBuildAtts()) {
     dumpBuildAttributes(*Os.get());
-    return transferErrorCode(getReturnValue(ExtraFlags, Ice::EC_None));
+    return transferErrorCode(getReturnValue(Ice::EC_None));
   }
 
-  Ctx.reset(
-      new GlobalContext(Ls.get(), Os.get(), Ls.get(), ELFStr.get(), Flags));
+  Ctx.reset(new GlobalContext(Ls.get(), Os.get(), Ls.get(), ELFStr.get()));
   if (Ctx->getFlags().getNumTranslationThreads() != 0) {
     std::thread CompileThread([this, &ExtraFlags, &InputStream]() {
       Ctx->initParserThread();
       getCompiler().run(ExtraFlags, *Ctx.get(), std::move(InputStream));
     });
     CompileThread.join();
   } else {
     getCompiler().run(ExtraFlags, *Ctx.get(), std::move(InputStream));
   }
-  transferErrorCode(getReturnValue(
-      ExtraFlags, static_cast<ErrorCodes>(Ctx->getErrorStatus()->value())));
+  transferErrorCode(
+      getReturnValue(static_cast<ErrorCodes>(Ctx->getErrorStatus()->value())));
 }
 
 } // end of namespace Ice