//===----------------------------------------------------------------------===//
// 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);
if (AnalyzeOnly && NoOutput) {
errs() << argv[0] << ": analyze mode conflicts with no-output mode.\n";
return 1;
}
// Enable debug stream buffering.
EnableDebugBuffering = true;
llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
LLVMContext &Context = getGlobalContext();
cl::ParseCommandLineOptions(argc, argv,
"llvm .bc -> .bc modular optimizer and analysis printer\n");
// 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 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<PassManager> FPasses;
if (OptLevelO1 || OptLevelO2 || OptLevelO3) {
FPasses.reset(new PassManager());
if (TD)
FPasses->add(new TargetData(*TD));
}
// 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_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->run(*M.get());
// 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()));
}
// Now that we have all of the passes ready, run them.
Passes.run(*M.get());
// Declare success.
if (!NoOutput)
Out->keep();
return 0;
}