- llvm_shutdown_obj X; // Call llvm_shutdown() on exit.
- LLVMContext Context;
- try {
- cl::ParseCommandLineOptions(argc, argv,
- "llvm .bc -> .bc modular optimizer and analysis printer\n");
- sys::PrintStackTraceOnErrorSignal();
-
- // Allocate a full target machine description only if necessary.
- // FIXME: The choice of target should be controllable on the command line.
- std::auto_ptr<TargetMachine> target;
-
- std::string ErrorMessage;
-
- // Load the input module...
- std::auto_ptr<Module> M;
- if (MemoryBuffer *Buffer
- = MemoryBuffer::getFileOrSTDIN(InputFilename, &ErrorMessage)) {
- M.reset(ParseBitcodeFile(Buffer, &Context, &ErrorMessage));
- delete Buffer;
- }
-
- if (M.get() == 0) {
- cerr << argv[0] << ": ";
- if (ErrorMessage.size())
- cerr << ErrorMessage << "\n";
- else
- cerr << "bitcode didn't read correctly.\n";
+ sys::PrintStackTraceOnErrorSignal();
+ llvm::PrettyStackTraceProgram X(argc, argv);
+
+ // Enable debug stream buffering.
+ EnableDebugBuffering = true;
+
+ llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
+ LLVMContext &Context = getGlobalContext();
+
+ // Initialize passes
+ PassRegistry &Registry = *PassRegistry::getPassRegistry();
+ initializeCore(Registry);
+ initializeScalarOpts(Registry);
+ initializeVectorization(Registry);
+ initializeIPO(Registry);
+ initializeAnalysis(Registry);
+ initializeIPA(Registry);
+ initializeTransformUtils(Registry);
+ initializeInstCombine(Registry);
+ initializeInstrumentation(Registry);
+ initializeTarget(Registry);
+
+ cl::ParseCommandLineOptions(argc, argv,
+ "llvm .bc -> .bc modular optimizer and analysis printer\n");
+
+ if (AnalyzeOnly && NoOutput) {
+ errs() << argv[0] << ": analyze mode conflicts with no-output mode.\n";
+ return 1;
+ }
+
+ SMDiagnostic Err;
+
+ // Load the input module...
+ std::auto_ptr<Module> M;
+ M.reset(ParseIRFile(InputFilename, Err, Context));
+
+ if (M.get() == 0) {
+ Err.print(argv[0], errs());
+ return 1;
+ }
+
+ // If we are supposed to override the target triple, do so now.
+ if (!TargetTriple.empty())
+ M->setTargetTriple(Triple::normalize(TargetTriple));
+
+ // Figure out what stream we are supposed to write to...
+ OwningPtr<tool_output_file> Out;
+ if (NoOutput) {
+ if (!OutputFilename.empty())
+ errs() << "WARNING: The -o (output filename) option is ignored when\n"
+ "the --disable-output option is used.\n";
+ } else {
+ // Default to standard output.
+ if (OutputFilename.empty())
+ OutputFilename = "-";
+
+ std::string ErrorInfo;
+ Out.reset(new tool_output_file(OutputFilename.c_str(), ErrorInfo,
+ raw_fd_ostream::F_Binary));
+ if (!ErrorInfo.empty()) {
+ errs() << ErrorInfo << '\n';