//===----------------------------------------------------------------------===// // main for opt // int main(int argc, char **argv) { 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(); InitializeAllTargets(); InitializeAllTargetMCs(); // Initialize passes PassRegistry &Registry = *PassRegistry::getPassRegistry(); initializeCore(Registry); initializeScalarOpts(Registry); initializeObjCARCOpts(Registry); initializeVectorization(Registry); initializeIPO(Registry); initializeAnalysis(Registry); initializeIPA(Registry); initializeTransformUtils(Registry); initializeInstCombine(Registry); initializeInstrumentation(Registry); initializeTarget(Registry); // @LOCALMOD-BEGIN initializeAddPNaClExternalDeclsPass(Registry); initializeCanonicalizeMemIntrinsicsPass(Registry); initializeExpandArithWithOverflowPass(Registry); initializeExpandByValPass(Registry); initializeExpandConstantExprPass(Registry); initializeExpandCtorsPass(Registry); initializeExpandGetElementPtrPass(Registry); initializeExpandSmallArgumentsPass(Registry); initializeExpandStructRegsPass(Registry); initializeExpandTlsConstantExprPass(Registry); initializeExpandTlsPass(Registry); initializeExpandVarArgsPass(Registry); initializeFlattenGlobalsPass(Registry); initializeGlobalCleanupPass(Registry); initializeInsertDivideCheckPass(Registry); initializePNaClABIVerifyFunctionsPass(Registry); initializePNaClABIVerifyModulePass(Registry); initializePNaClSjLjEHPass(Registry); initializePromoteI1OpsPass(Registry); initializePromoteIntegersPass(Registry); initializeRemoveAsmMemoryPass(Registry); initializeReplacePtrsWithIntsPass(Registry); initializeResolveAliasesPass(Registry); initializeResolvePNaClIntrinsicsPass(Registry); initializeRewriteAtomicsPass(Registry); initializeRewriteLLVMIntrinsicsPass(Registry); initializeRewritePNaClLibraryCallsPass(Registry); initializeStripAttributesPass(Registry); initializeStripMetadataPass(Registry); initializeExpandI64Pass(Registry); // @LOCALMOD-END 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... OwningPtr<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'; return 1; } } // If the output is set to be emitted to standard out, and standard out is a // console, print out a warning message and refuse to do it. We don't // impress anyone by spewing tons of binary goo to a terminal. if (!Force && !NoOutput && !AnalyzeOnly && !OutputAssembly) if (CheckBitcodeOutputToConsole(Out->os(), !Quiet)) NoOutput = true; // Create a PassManager to hold and optimize the collection of passes we are // about to build. // PassManager Passes; // Add an appropriate TargetLibraryInfo pass for the module's triple. TargetLibraryInfo *TLI = new TargetLibraryInfo(Triple(M->getTargetTriple())); // The -disable-simplify-libcalls flag actually disables all builtin optzns. if (DisableSimplifyLibCalls) TLI->disableAllFunctions(); Passes.add(TLI); // Add an appropriate DataLayout instance for this module. DataLayout *TD = 0; const std::string &ModuleDataLayout = M.get()->getDataLayout(); if (!ModuleDataLayout.empty()) TD = new DataLayout(ModuleDataLayout); else if (!DefaultDataLayout.empty()) TD = new DataLayout(DefaultDataLayout); if (TD) Passes.add(TD); Triple ModuleTriple(M->getTargetTriple()); TargetMachine *Machine = 0; if (ModuleTriple.getArch()) Machine = GetTargetMachine(Triple(ModuleTriple)); OwningPtr<TargetMachine> TM(Machine); // Add internal analysis passes from the target machine. if (TM.get()) TM->addAnalysisPasses(Passes); OwningPtr<FunctionPassManager> FPasses; if (OptLevelO1 || OptLevelO2 || OptLevelOs || OptLevelOz || OptLevelO3) { FPasses.reset(new FunctionPassManager(M.get())); if (TD) FPasses->add(new DataLayout(*TD)); } if (PrintBreakpoints) { // Default to standard output. if (!Out) { 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'; return 1; } } Passes.add(new BreakpointPrinter(Out->os())); NoOutput = true; } // If the -strip-debug command line option was specified, add it. If // -std-compile-opts was also specified, it will handle StripDebug. if (StripDebug && !StandardCompileOpts) addPass(Passes, createStripSymbolsPass(true)); // Create a new optimization pass for each one specified on the command line for (unsigned i = 0; i < PassList.size(); ++i) { // Check to see if -std-compile-opts was specified before this option. If // so, handle it. if (StandardCompileOpts && StandardCompileOpts.getPosition() < PassList.getPosition(i)) { AddStandardCompilePasses(Passes); StandardCompileOpts = false; } if (StandardLinkOpts && StandardLinkOpts.getPosition() < PassList.getPosition(i)) { AddStandardLinkPasses(Passes); StandardLinkOpts = false; } if (OptLevelO1 && OptLevelO1.getPosition() < PassList.getPosition(i)) { AddOptimizationPasses(Passes, *FPasses, 1, 0); OptLevelO1 = false; } if (OptLevelO2 && OptLevelO2.getPosition() < PassList.getPosition(i)) { AddOptimizationPasses(Passes, *FPasses, 2, 0); OptLevelO2 = false; } if (OptLevelOs && OptLevelOs.getPosition() < PassList.getPosition(i)) { AddOptimizationPasses(Passes, *FPasses, 2, 1); OptLevelOs = false; } if (OptLevelOz && OptLevelOz.getPosition() < PassList.getPosition(i)) { AddOptimizationPasses(Passes, *FPasses, 2, 2); OptLevelOz = false; } if (OptLevelO3 && OptLevelO3.getPosition() < PassList.getPosition(i)) { AddOptimizationPasses(Passes, *FPasses, 3, 0); OptLevelO3 = false; } // @LOCALMOD-BEGIN if (PNaClABISimplifyPreOpt && PNaClABISimplifyPreOpt.getPosition() < PassList.getPosition(i)) { PNaClABISimplifyAddPreOptPasses(Passes); PNaClABISimplifyPreOpt = false; } if (PNaClABISimplifyPostOpt && PNaClABISimplifyPostOpt.getPosition() < PassList.getPosition(i)) { PNaClABISimplifyAddPostOptPasses(Passes); PNaClABISimplifyPostOpt = false; } // @LOCALMOD-END const PassInfo *PassInf = PassList[i]; Pass *P = 0; if (PassInf->getNormalCtor()) P = PassInf->getNormalCtor()(); else errs() << argv[0] << ": cannot create pass: "******"\n"; if (P) { PassKind Kind = P->getPassKind(); addPass(Passes, P); if (AnalyzeOnly) { switch (Kind) { case PT_BasicBlock: Passes.add(new BasicBlockPassPrinter(PassInf, Out->os())); break; case PT_Region: Passes.add(new RegionPassPrinter(PassInf, Out->os())); break; case PT_Loop: Passes.add(new LoopPassPrinter(PassInf, Out->os())); break; case PT_Function: Passes.add(new FunctionPassPrinter(PassInf, Out->os())); break; case PT_CallGraphSCC: Passes.add(new CallGraphSCCPassPrinter(PassInf, Out->os())); break; default: Passes.add(new ModulePassPrinter(PassInf, Out->os())); break; } } } if (PrintEachXForm) Passes.add(createPrintModulePass(&errs())); } // If -std-compile-opts was specified at the end of the pass list, add them. if (StandardCompileOpts) { AddStandardCompilePasses(Passes); StandardCompileOpts = false; } if (StandardLinkOpts) { AddStandardLinkPasses(Passes); StandardLinkOpts = false; } if (OptLevelO1) AddOptimizationPasses(Passes, *FPasses, 1, 0); if (OptLevelO2) AddOptimizationPasses(Passes, *FPasses, 2, 0); if (OptLevelOs) AddOptimizationPasses(Passes, *FPasses, 2, 1); if (OptLevelOz) AddOptimizationPasses(Passes, *FPasses, 2, 2); if (OptLevelO3) AddOptimizationPasses(Passes, *FPasses, 3, 0); if (OptLevelO1 || OptLevelO2 || OptLevelOs || OptLevelOz || OptLevelO3) { FPasses->doInitialization(); for (Module::iterator F = M->begin(), E = M->end(); F != E; ++F) FPasses->run(*F); FPasses->doFinalization(); } // @LOCALMOD-BEGIN if (PNaClABISimplifyPreOpt) PNaClABISimplifyAddPreOptPasses(Passes); if (PNaClABISimplifyPostOpt) PNaClABISimplifyAddPostOptPasses(Passes); // @LOCALMOD-END // Check that the module is well formed on completion of optimization if (!NoVerify && !VerifyEach) Passes.add(createVerifierPass()); // Write bitcode or assembly to the output as the last step... if (!NoOutput && !AnalyzeOnly) { if (OutputAssembly) Passes.add(createPrintModulePass(&Out->os())); // @LOCALMOD } // Before executing passes, print the final values of the LLVM options. cl::PrintOptionValues(); // Now that we have all of the passes ready, run them. Passes.run(*M.get()); // @LOCALMOD-BEGIN // Write bitcode to the output. if (!NoOutput && !AnalyzeOnly && !OutputAssembly) { switch (OutputFileFormat) { case LLVMFormat: WriteBitcodeToFile(M.get(), Out->os()); break; case PNaClFormat: NaClWriteBitcodeToFile(M.get(), Out->os()); break; default: errs() << "Don't understand bitcode format for generated bitcode.\n"; return 1; } } // @LOCALMOD-END // Declare success. if (!NoOutput || PrintBreakpoints) Out->keep(); return 0; }
//===----------------------------------------------------------------------===// // main for opt // int main(int argc, char **argv) { 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); 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; } // 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; 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; } // 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'; return 1; } } // If the output is set to be emitted to standard out, and standard out is a // console, print out a warning message and refuse to do it. We don't // impress anyone by spewing tons of binary goo to a terminal. if (!Force && !NoOutput && !AnalyzeOnly && !OutputAssembly) if (CheckBitcodeOutputToConsole(Out->os(), !Quiet)) NoOutput = true; // Create a PassManager to hold and optimize the collection of passes we are // about to build. // PassManager Passes; // Add an appropriate TargetLibraryInfo pass for the module's triple. TargetLibraryInfo *TLI = new TargetLibraryInfo(Triple(M->getTargetTriple())); // The -disable-simplify-libcalls flag actually disables all builtin optzns. if (DisableSimplifyLibCalls) TLI->disableAllFunctions(); Passes.add(TLI); // Add an appropriate TargetData instance for this module. TargetData *TD = 0; const std::string &ModuleDataLayout = M.get()->getDataLayout(); if (!ModuleDataLayout.empty()) TD = new TargetData(ModuleDataLayout); else if (!DefaultDataLayout.empty()) TD = new TargetData(DefaultDataLayout); if (TD) Passes.add(TD); OwningPtr<FunctionPassManager> FPasses; if (OptLevelO1 || OptLevelO2 || OptLevelO3) { FPasses.reset(new FunctionPassManager(M.get())); if (TD) FPasses->add(new TargetData(*TD)); } if (PrintBreakpoints) { // Default to standard output. if (!Out) { 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'; return 1; } } Passes.add(new BreakpointPrinter(Out->os())); NoOutput = true; } // If the -strip-debug command line option was specified, add it. If // -std-compile-opts was also specified, it will handle StripDebug. if (StripDebug && !StandardCompileOpts) addPass(Passes, createStripSymbolsPass(true)); // Create a new optimization pass for each one specified on the command line for (unsigned i = 0; i < PassList.size(); ++i) { // Check to see if -std-compile-opts was specified before this option. If // so, handle it. if (StandardCompileOpts && StandardCompileOpts.getPosition() < PassList.getPosition(i)) { AddStandardCompilePasses(Passes); StandardCompileOpts = false; } if (StandardLinkOpts && StandardLinkOpts.getPosition() < PassList.getPosition(i)) { AddStandardLinkPasses(Passes); StandardLinkOpts = false; } if (OptLevelO1 && OptLevelO1.getPosition() < PassList.getPosition(i)) { AddOptimizationPasses(Passes, *FPasses, 1); OptLevelO1 = false; } if (OptLevelO2 && OptLevelO2.getPosition() < PassList.getPosition(i)) { AddOptimizationPasses(Passes, *FPasses, 2); OptLevelO2 = false; } if (OptLevelO3 && OptLevelO3.getPosition() < PassList.getPosition(i)) { AddOptimizationPasses(Passes, *FPasses, 3); OptLevelO3 = false; } const PassInfo *PassInf = PassList[i]; Pass *P = 0; if (PassInf->getNormalCtor()) P = PassInf->getNormalCtor()(); else errs() << argv[0] << ": cannot create pass: "******"\n"; if (P) { PassKind Kind = P->getPassKind(); addPass(Passes, P); if (AnalyzeOnly) { switch (Kind) { case PT_BasicBlock: Passes.add(new BasicBlockPassPrinter(PassInf, Out->os())); break; case PT_Region: Passes.add(new RegionPassPrinter(PassInf, Out->os())); break; case PT_Loop: Passes.add(new LoopPassPrinter(PassInf, Out->os())); break; case PT_Function: Passes.add(new FunctionPassPrinter(PassInf, Out->os())); break; case PT_CallGraphSCC: Passes.add(new CallGraphSCCPassPrinter(PassInf, Out->os())); break; default: Passes.add(new ModulePassPrinter(PassInf, Out->os())); break; } } } if (PrintEachXForm) Passes.add(createPrintModulePass(&errs())); } // If -std-compile-opts was specified at the end of the pass list, add them. if (StandardCompileOpts) { AddStandardCompilePasses(Passes); StandardCompileOpts = false; } if (StandardLinkOpts) { AddStandardLinkPasses(Passes); StandardLinkOpts = false; } if (OptLevelO1) AddOptimizationPasses(Passes, *FPasses, 1); if (OptLevelO2) AddOptimizationPasses(Passes, *FPasses, 2); if (OptLevelO3) AddOptimizationPasses(Passes, *FPasses, 3); if (OptLevelO1 || OptLevelO2 || OptLevelO3) { FPasses->doInitialization(); for (Module::iterator F = M->begin(), E = M->end(); F != E; ++F) FPasses->run(*F); FPasses->doFinalization(); } // Check that the module is well formed on completion of optimization if (!NoVerify && !VerifyEach) Passes.add(createVerifierPass()); // Write bitcode or assembly to the output as the last step... if (!NoOutput && !AnalyzeOnly) { if (OutputAssembly) Passes.add(createPrintModulePass(&Out->os())); else Passes.add(createBitcodeWriterPass(Out->os())); } // Before executing passes, print the final values of the LLVM options. cl::PrintOptionValues(); // Now that we have all of the passes ready, run them. Passes.run(*M.get()); // Declare success. if (!NoOutput || PrintBreakpoints) Out->keep(); return 0; }