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nothing opt uses can throw, remove the try block and -fexceptions when
building opt. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84816 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
parent
d331cb3fde
commit
61db1a1b6a
@ -1,4 +1,3 @@
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set(LLVM_REQUIRES_EH 1)
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set(LLVM_LINK_COMPONENTS bitreader asmparser bitwriter instrumentation scalaropts ipo)
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add_llvm_tool(opt
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@ -8,7 +8,6 @@
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##===----------------------------------------------------------------------===##
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LEVEL = ../..
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TOOLNAME = opt
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REQUIRES_EH := 1
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LINK_COMPONENTS := bitreader bitwriter asmparser instrumentation scalaropts ipo
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@ -346,198 +346,187 @@ void AddStandardLinkPasses(PassManager &PM) {
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int main(int argc, char **argv) {
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llvm_shutdown_obj X; // Call llvm_shutdown() on exit.
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LLVMContext &Context = getGlobalContext();
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try {
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cl::ParseCommandLineOptions(argc, argv,
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"llvm .bc -> .bc modular optimizer and analysis printer\n");
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sys::PrintStackTraceOnErrorSignal();
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cl::ParseCommandLineOptions(argc, argv,
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"llvm .bc -> .bc modular optimizer and analysis printer\n");
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sys::PrintStackTraceOnErrorSignal();
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// Allocate a full target machine description only if necessary.
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// FIXME: The choice of target should be controllable on the command line.
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std::auto_ptr<TargetMachine> target;
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// Allocate a full target machine description only if necessary.
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// FIXME: The choice of target should be controllable on the command line.
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std::auto_ptr<TargetMachine> target;
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SMDiagnostic Err;
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SMDiagnostic Err;
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// Load the input module...
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std::auto_ptr<Module> M;
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M.reset(ParseIRFile(InputFilename, Err, Context));
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// Load the input module...
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std::auto_ptr<Module> M;
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M.reset(ParseIRFile(InputFilename, Err, Context));
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if (M.get() == 0) {
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Err.Print(argv[0], errs());
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if (M.get() == 0) {
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Err.Print(argv[0], errs());
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return 1;
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}
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// Figure out what stream we are supposed to write to...
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// FIXME: outs() is not binary!
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raw_ostream *Out = &outs(); // Default to printing to stdout...
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if (OutputFilename != "-") {
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// Make sure that the Output file gets unlinked from the disk if we get a
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// SIGINT
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sys::RemoveFileOnSignal(sys::Path(OutputFilename));
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std::string ErrorInfo;
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Out = new raw_fd_ostream(OutputFilename.c_str(), ErrorInfo,
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raw_fd_ostream::F_Binary);
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if (!ErrorInfo.empty()) {
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errs() << ErrorInfo << '\n';
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delete Out;
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return 1;
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}
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}
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// Figure out what stream we are supposed to write to...
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// FIXME: outs() is not binary!
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raw_ostream *Out = &outs(); // Default to printing to stdout...
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if (OutputFilename != "-") {
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// Make sure that the Output file gets unlinked from the disk if we get a
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// SIGINT
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sys::RemoveFileOnSignal(sys::Path(OutputFilename));
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// If the output is set to be emitted to standard out, and standard out is a
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// console, print out a warning message and refuse to do it. We don't
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// impress anyone by spewing tons of binary goo to a terminal.
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if (!Force && !NoOutput && !OutputAssembly)
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if (CheckBitcodeOutputToConsole(*Out, !Quiet))
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NoOutput = true;
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std::string ErrorInfo;
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Out = new raw_fd_ostream(OutputFilename.c_str(), ErrorInfo,
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raw_fd_ostream::F_Binary);
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if (!ErrorInfo.empty()) {
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errs() << ErrorInfo << '\n';
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delete Out;
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return 1;
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}
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}
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// Create a PassManager to hold and optimize the collection of passes we are
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// about to build...
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//
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PassManager Passes;
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// If the output is set to be emitted to standard out, and standard out is a
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// console, print out a warning message and refuse to do it. We don't
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// impress anyone by spewing tons of binary goo to a terminal.
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if (!Force && !NoOutput && !OutputAssembly)
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if (CheckBitcodeOutputToConsole(*Out, !Quiet))
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NoOutput = true;
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// Add an appropriate TargetData instance for this module...
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TargetData *TD = 0;
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const std::string &ModuleDataLayout = M.get()->getDataLayout();
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if (!ModuleDataLayout.empty())
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TD = new TargetData(ModuleDataLayout);
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else if (!NoDefaultDataLayout)
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TD = new TargetData(DefaultDataLayout);
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// Create a PassManager to hold and optimize the collection of passes we are
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// about to build...
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//
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PassManager Passes;
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// Add an appropriate TargetData instance for this module...
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TargetData *TD = 0;
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const std::string &ModuleDataLayout = M.get()->getDataLayout();
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if (!ModuleDataLayout.empty())
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TD = new TargetData(ModuleDataLayout);
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else if (!NoDefaultDataLayout)
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TD = new TargetData(DefaultDataLayout);
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if (TD)
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Passes.add(TD);
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FunctionPassManager *FPasses = NULL;
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if (OptLevelO1 || OptLevelO2 || OptLevelO3) {
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FPasses = new FunctionPassManager(new ExistingModuleProvider(M.get()));
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if (TD)
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Passes.add(TD);
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FPasses->add(new TargetData(*TD));
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}
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FunctionPassManager *FPasses = NULL;
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if (OptLevelO1 || OptLevelO2 || OptLevelO3) {
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FPasses = new FunctionPassManager(new ExistingModuleProvider(M.get()));
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if (TD)
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FPasses->add(new TargetData(*TD));
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}
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// If the -strip-debug command line option was specified, add it. If
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// -std-compile-opts was also specified, it will handle StripDebug.
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if (StripDebug && !StandardCompileOpts)
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addPass(Passes, createStripSymbolsPass(true));
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// If the -strip-debug command line option was specified, add it. If
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// -std-compile-opts was also specified, it will handle StripDebug.
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if (StripDebug && !StandardCompileOpts)
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addPass(Passes, createStripSymbolsPass(true));
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// Create a new optimization pass for each one specified on the command line
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for (unsigned i = 0; i < PassList.size(); ++i) {
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// Check to see if -std-compile-opts was specified before this option. If
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// so, handle it.
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if (StandardCompileOpts &&
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StandardCompileOpts.getPosition() < PassList.getPosition(i)) {
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AddStandardCompilePasses(Passes);
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StandardCompileOpts = false;
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}
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if (StandardLinkOpts &&
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StandardLinkOpts.getPosition() < PassList.getPosition(i)) {
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AddStandardLinkPasses(Passes);
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StandardLinkOpts = false;
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}
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if (OptLevelO1 && OptLevelO1.getPosition() < PassList.getPosition(i)) {
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AddOptimizationPasses(Passes, *FPasses, 1);
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OptLevelO1 = false;
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}
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if (OptLevelO2 && OptLevelO2.getPosition() < PassList.getPosition(i)) {
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AddOptimizationPasses(Passes, *FPasses, 2);
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OptLevelO2 = false;
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}
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if (OptLevelO3 && OptLevelO3.getPosition() < PassList.getPosition(i)) {
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AddOptimizationPasses(Passes, *FPasses, 3);
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OptLevelO3 = false;
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}
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const PassInfo *PassInf = PassList[i];
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Pass *P = 0;
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if (PassInf->getNormalCtor())
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P = PassInf->getNormalCtor()();
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else
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errs() << argv[0] << ": cannot create pass: "
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<< PassInf->getPassName() << "\n";
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if (P) {
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bool isBBPass = dynamic_cast<BasicBlockPass*>(P) != 0;
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bool isLPass = !isBBPass && dynamic_cast<LoopPass*>(P) != 0;
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bool isFPass = !isLPass && dynamic_cast<FunctionPass*>(P) != 0;
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bool isCGSCCPass = !isFPass && dynamic_cast<CallGraphSCCPass*>(P) != 0;
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addPass(Passes, P);
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if (AnalyzeOnly) {
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if (isBBPass)
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Passes.add(new BasicBlockPassPrinter(PassInf));
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else if (isLPass)
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Passes.add(new LoopPassPrinter(PassInf));
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else if (isFPass)
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Passes.add(new FunctionPassPrinter(PassInf));
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else if (isCGSCCPass)
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Passes.add(new CallGraphSCCPassPrinter(PassInf));
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else
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Passes.add(new ModulePassPrinter(PassInf));
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}
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}
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if (PrintEachXForm)
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Passes.add(createPrintModulePass(&errs()));
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}
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// If -std-compile-opts was specified at the end of the pass list, add them.
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if (StandardCompileOpts) {
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// Create a new optimization pass for each one specified on the command line
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for (unsigned i = 0; i < PassList.size(); ++i) {
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// Check to see if -std-compile-opts was specified before this option. If
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// so, handle it.
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if (StandardCompileOpts &&
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StandardCompileOpts.getPosition() < PassList.getPosition(i)) {
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AddStandardCompilePasses(Passes);
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StandardCompileOpts = false;
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}
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if (StandardLinkOpts) {
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if (StandardLinkOpts &&
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StandardLinkOpts.getPosition() < PassList.getPosition(i)) {
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AddStandardLinkPasses(Passes);
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StandardLinkOpts = false;
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}
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if (OptLevelO1) {
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if (OptLevelO1 && OptLevelO1.getPosition() < PassList.getPosition(i)) {
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AddOptimizationPasses(Passes, *FPasses, 1);
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OptLevelO1 = false;
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}
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if (OptLevelO2) {
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if (OptLevelO2 && OptLevelO2.getPosition() < PassList.getPosition(i)) {
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AddOptimizationPasses(Passes, *FPasses, 2);
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OptLevelO2 = false;
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}
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if (OptLevelO3) {
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if (OptLevelO3 && OptLevelO3.getPosition() < PassList.getPosition(i)) {
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AddOptimizationPasses(Passes, *FPasses, 3);
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OptLevelO3 = false;
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}
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if (OptLevelO1 || OptLevelO2 || OptLevelO3) {
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FPasses->doInitialization();
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for (Module::iterator I = M.get()->begin(), E = M.get()->end();
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I != E; ++I)
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FPasses->run(*I);
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const PassInfo *PassInf = PassList[i];
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Pass *P = 0;
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if (PassInf->getNormalCtor())
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P = PassInf->getNormalCtor()();
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else
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errs() << argv[0] << ": cannot create pass: "
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<< PassInf->getPassName() << "\n";
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if (P) {
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bool isBBPass = dynamic_cast<BasicBlockPass*>(P) != 0;
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bool isLPass = !isBBPass && dynamic_cast<LoopPass*>(P) != 0;
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bool isFPass = !isLPass && dynamic_cast<FunctionPass*>(P) != 0;
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bool isCGSCCPass = !isFPass && dynamic_cast<CallGraphSCCPass*>(P) != 0;
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addPass(Passes, P);
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if (AnalyzeOnly) {
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if (isBBPass)
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Passes.add(new BasicBlockPassPrinter(PassInf));
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else if (isLPass)
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Passes.add(new LoopPassPrinter(PassInf));
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else if (isFPass)
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Passes.add(new FunctionPassPrinter(PassInf));
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else if (isCGSCCPass)
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Passes.add(new CallGraphSCCPassPrinter(PassInf));
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else
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Passes.add(new ModulePassPrinter(PassInf));
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}
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}
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// Check that the module is well formed on completion of optimization
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if (!NoVerify && !VerifyEach)
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Passes.add(createVerifierPass());
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// Write bitcode or assembly out to disk or outs() as the last step...
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if (!NoOutput && !AnalyzeOnly) {
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if (OutputAssembly)
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Passes.add(createPrintModulePass(Out));
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else
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Passes.add(createBitcodeWriterPass(*Out));
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}
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// Now that we have all of the passes ready, run them.
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Passes.run(*M.get());
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// Delete the raw_fd_ostream.
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if (Out != &outs())
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delete Out;
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return 0;
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} catch (const std::string& msg) {
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errs() << argv[0] << ": " << msg << "\n";
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} catch (...) {
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errs() << argv[0] << ": Unexpected unknown exception occurred.\n";
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if (PrintEachXForm)
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Passes.add(createPrintModulePass(&errs()));
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}
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llvm_shutdown();
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return 1;
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// If -std-compile-opts was specified at the end of the pass list, add them.
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if (StandardCompileOpts) {
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AddStandardCompilePasses(Passes);
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StandardCompileOpts = false;
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}
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if (StandardLinkOpts) {
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AddStandardLinkPasses(Passes);
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StandardLinkOpts = false;
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}
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if (OptLevelO1)
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AddOptimizationPasses(Passes, *FPasses, 1);
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if (OptLevelO2)
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AddOptimizationPasses(Passes, *FPasses, 2);
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if (OptLevelO3)
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AddOptimizationPasses(Passes, *FPasses, 3);
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if (OptLevelO1 || OptLevelO2 || OptLevelO3) {
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FPasses->doInitialization();
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for (Module::iterator I = M.get()->begin(), E = M.get()->end();
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I != E; ++I)
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FPasses->run(*I);
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}
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// Check that the module is well formed on completion of optimization
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if (!NoVerify && !VerifyEach)
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Passes.add(createVerifierPass());
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// Write bitcode or assembly out to disk or outs() as the last step...
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if (!NoOutput && !AnalyzeOnly) {
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if (OutputAssembly)
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Passes.add(createPrintModulePass(Out));
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else
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Passes.add(createBitcodeWriterPass(*Out));
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}
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// Now that we have all of the passes ready, run them.
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Passes.run(*M.get());
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// Delete the raw_fd_ostream.
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if (Out != &outs())
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delete Out;
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return 0;
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}
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