//
//===----------------------------------------------------------------------===//
-#include "llvm/LLVMContext.h"
-#include "llvm/Module.h"
-#include "llvm/ModuleProvider.h"
-#include "llvm/PassManager.h"
-#include "llvm/CallGraphSCCPass.h"
-#include "llvm/Bitcode/ReaderWriter.h"
-#include "llvm/Assembly/PrintModulePass.h"
-#include "llvm/Analysis/Verifier.h"
-#include "llvm/Analysis/LoopPass.h"
+#include "BreakpointPrinter.h"
+#include "NewPMDriver.h"
+#include "PassPrinters.h"
+#include "llvm/ADT/Triple.h"
#include "llvm/Analysis/CallGraph.h"
-#include "llvm/Target/TargetData.h"
-#include "llvm/Target/TargetMachine.h"
-#include "llvm/Support/PassNameParser.h"
-#include "llvm/System/Signals.h"
+#include "llvm/Analysis/CallGraphSCCPass.h"
+#include "llvm/Analysis/LoopPass.h"
+#include "llvm/Analysis/RegionPass.h"
+#include "llvm/Analysis/TargetLibraryInfo.h"
+#include "llvm/Analysis/TargetTransformInfo.h"
+#include "llvm/Bitcode/BitcodeWriterPass.h"
+#include "llvm/CodeGen/CommandFlags.h"
+#include "llvm/IR/DataLayout.h"
+#include "llvm/IR/DebugInfo.h"
+#include "llvm/IR/IRPrintingPasses.h"
+#include "llvm/IR/LLVMContext.h"
+#include "llvm/IR/LegacyPassNameParser.h"
+#include "llvm/IR/Module.h"
+#include "llvm/IR/Verifier.h"
+#include "llvm/IRReader/IRReader.h"
+#include "llvm/InitializePasses.h"
+#include "llvm/LinkAllIR.h"
+#include "llvm/LinkAllPasses.h"
+#include "llvm/MC/SubtargetFeature.h"
+#include "llvm/IR/LegacyPassManager.h"
+#include "llvm/Support/Debug.h"
+#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/Host.h"
#include "llvm/Support/ManagedStatic.h"
-#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/PluginLoader.h"
-#include "llvm/Support/StandardPasses.h"
+#include "llvm/Support/PrettyStackTrace.h"
+#include "llvm/Support/Signals.h"
+#include "llvm/Support/SourceMgr.h"
#include "llvm/Support/SystemUtils.h"
-#include "llvm/Support/raw_ostream.h"
-#include "llvm/LinkAllPasses.h"
-#include "llvm/LinkAllVMCore.h"
-#include <memory>
+#include "llvm/Support/TargetRegistry.h"
+#include "llvm/Support/TargetSelect.h"
+#include "llvm/Support/ToolOutputFile.h"
+#include "llvm/Target/TargetMachine.h"
+#include "llvm/Transforms/IPO/PassManagerBuilder.h"
#include <algorithm>
+#include <memory>
using namespace llvm;
+using namespace opt_tool;
// The OptimizationList is automatically populated with registered Passes by the
// PassNameParser.
static cl::list<const PassInfo*, bool, PassNameParser>
PassList(cl::desc("Optimizations available:"));
+// This flag specifies a textual description of the optimization pass pipeline
+// to run over the module. This flag switches opt to use the new pass manager
+// infrastructure, completely disabling all of the flags specific to the old
+// pass management.
+static cl::opt<std::string> PassPipeline(
+ "passes",
+ cl::desc("A textual description of the pass pipeline for optimizing"),
+ cl::Hidden);
+
// Other command line options...
//
static cl::opt<std::string>
static cl::opt<std::string>
OutputFilename("o", cl::desc("Override output filename"),
- cl::value_desc("filename"), cl::init("-"));
+ cl::value_desc("filename"));
static cl::opt<bool>
-Force("f", cl::desc("Overwrite output files"));
+Force("f", cl::desc("Enable binary output on terminals"));
static cl::opt<bool>
PrintEachXForm("p", cl::desc("Print module after each transformation"));
NoOutput("disable-output",
cl::desc("Do not write result bitcode file"), cl::Hidden);
+static cl::opt<bool>
+OutputAssembly("S", cl::desc("Write output as LLVM assembly"));
+
static cl::opt<bool>
NoVerify("disable-verify", cl::desc("Do not verify result module"), cl::Hidden);
DisableOptimizations("disable-opt",
cl::desc("Do not run any optimization passes"));
-static cl::opt<bool>
-DisableInternalize("disable-internalize",
- cl::desc("Do not mark all symbols as internal"));
-
-static cl::opt<bool>
-StandardCompileOpts("std-compile-opts",
- cl::desc("Include the standard compile time optimizations"));
-
static cl::opt<bool>
StandardLinkOpts("std-link-opts",
cl::desc("Include the standard link time optimizations"));
static cl::opt<bool>
OptLevelO1("O1",
- cl::desc("Optimization level 1. Similar to llvm-gcc -O1"));
+ cl::desc("Optimization level 1. Similar to clang -O1"));
static cl::opt<bool>
OptLevelO2("O2",
- cl::desc("Optimization level 2. Similar to llvm-gcc -O2"));
+ cl::desc("Optimization level 2. Similar to clang -O2"));
+
+static cl::opt<bool>
+OptLevelOs("Os",
+ cl::desc("Like -O2 with extra optimizations for size. Similar to clang -Os"));
+
+static cl::opt<bool>
+OptLevelOz("Oz",
+ cl::desc("Like -Os but reduces code size further. Similar to clang -Oz"));
static cl::opt<bool>
OptLevelO3("O3",
- cl::desc("Optimization level 3. Similar to llvm-gcc -O3"));
+ cl::desc("Optimization level 3. Similar to clang -O3"));
+
+static cl::opt<std::string>
+TargetTriple("mtriple", cl::desc("Override target triple for module"));
static cl::opt<bool>
UnitAtATime("funit-at-a-time",
- cl::desc("Enable IPO. This is same as llvm-gcc's -funit-at-a-time"));
+ cl::desc("Enable IPO. This corresponds to gcc's -funit-at-a-time"),
+ cl::init(true));
+
+static cl::opt<bool>
+DisableLoopUnrolling("disable-loop-unrolling",
+ cl::desc("Disable loop unrolling in all relevant passes"),
+ cl::init(false));
+static cl::opt<bool>
+DisableLoopVectorization("disable-loop-vectorization",
+ cl::desc("Disable the loop vectorization pass"),
+ cl::init(false));
+
+static cl::opt<bool>
+DisableSLPVectorization("disable-slp-vectorization",
+ cl::desc("Disable the slp vectorization pass"),
+ cl::init(false));
+
static cl::opt<bool>
DisableSimplifyLibCalls("disable-simplify-libcalls",
static cl::opt<bool>
AnalyzeOnly("analyze", cl::desc("Only perform analysis, no optimization"));
-// ---------- Define Printers for module and function passes ------------
-namespace {
-
-struct CallGraphSCCPassPrinter : public CallGraphSCCPass {
- static char ID;
- const PassInfo *PassToPrint;
- CallGraphSCCPassPrinter(const PassInfo *PI) :
- CallGraphSCCPass(&ID), PassToPrint(PI) {}
-
- virtual bool runOnSCC(const std::vector<CallGraphNode *>&SCC) {
- if (!Quiet) {
- outs() << "Printing analysis '" << PassToPrint->getPassName() << "':\n";
-
- for (unsigned i = 0, e = SCC.size(); i != e; ++i) {
- Function *F = SCC[i]->getFunction();
- if (F) {
- outs().flush();
- getAnalysisID<Pass>(PassToPrint).print(cout, F->getParent());
- cout << std::flush;
- }
- }
- }
- // Get and print pass...
- return false;
- }
-
- virtual const char *getPassName() const { return "'Pass' Printer"; }
-
- virtual void getAnalysisUsage(AnalysisUsage &AU) const {
- AU.addRequiredID(PassToPrint);
- AU.setPreservesAll();
- }
-};
-
-char CallGraphSCCPassPrinter::ID = 0;
-
-struct ModulePassPrinter : public ModulePass {
- static char ID;
- const PassInfo *PassToPrint;
- ModulePassPrinter(const PassInfo *PI) : ModulePass(&ID),
- PassToPrint(PI) {}
-
- virtual bool runOnModule(Module &M) {
- if (!Quiet) {
- outs() << "Printing analysis '" << PassToPrint->getPassName() << "':\n";
- outs().flush();
- getAnalysisID<Pass>(PassToPrint).print(cout, &M);
- cout << std::flush;
- }
-
- // Get and print pass...
- return false;
- }
-
- virtual const char *getPassName() const { return "'Pass' Printer"; }
-
- virtual void getAnalysisUsage(AnalysisUsage &AU) const {
- AU.addRequiredID(PassToPrint);
- AU.setPreservesAll();
- }
-};
-
-char ModulePassPrinter::ID = 0;
-struct FunctionPassPrinter : public FunctionPass {
- const PassInfo *PassToPrint;
- static char ID;
- FunctionPassPrinter(const PassInfo *PI) : FunctionPass(&ID),
- PassToPrint(PI) {}
-
- virtual bool runOnFunction(Function &F) {
- if (!Quiet) {
- outs() << "Printing analysis '" << PassToPrint->getPassName()
- << "' for function '" << F.getName() << "':\n";
- }
- // Get and print pass...
- outs().flush();
- getAnalysisID<Pass>(PassToPrint).print(cout, F.getParent());
- cout << std::flush;
- return false;
- }
-
- virtual const char *getPassName() const { return "FunctionPass Printer"; }
-
- virtual void getAnalysisUsage(AnalysisUsage &AU) const {
- AU.addRequiredID(PassToPrint);
- AU.setPreservesAll();
- }
-};
-
-char FunctionPassPrinter::ID = 0;
-
-struct LoopPassPrinter : public LoopPass {
- static char ID;
- const PassInfo *PassToPrint;
- LoopPassPrinter(const PassInfo *PI) :
- LoopPass(&ID), PassToPrint(PI) {}
-
- virtual bool runOnLoop(Loop *L, LPPassManager &LPM) {
- if (!Quiet) {
- outs() << "Printing analysis '" << PassToPrint->getPassName() << "':\n";
- outs().flush();
- getAnalysisID<Pass>(PassToPrint).print(cout,
- L->getHeader()->getParent()->getParent());
- cout << std::flush;
- }
- // Get and print pass...
- return false;
- }
-
- virtual const char *getPassName() const { return "'Pass' Printer"; }
-
- virtual void getAnalysisUsage(AnalysisUsage &AU) const {
- AU.addRequiredID(PassToPrint);
- AU.setPreservesAll();
- }
-};
-
-char LoopPassPrinter::ID = 0;
-
-struct BasicBlockPassPrinter : public BasicBlockPass {
- const PassInfo *PassToPrint;
- static char ID;
- BasicBlockPassPrinter(const PassInfo *PI)
- : BasicBlockPass(&ID), PassToPrint(PI) {}
-
- virtual bool runOnBasicBlock(BasicBlock &BB) {
- if (!Quiet) {
- outs() << "Printing Analysis info for BasicBlock '" << BB.getName()
- << "': Pass " << PassToPrint->getPassName() << ":\n";
- }
+static cl::opt<bool>
+PrintBreakpoints("print-breakpoints-for-testing",
+ cl::desc("Print select breakpoints location for testing"));
- // Get and print pass...
- outs().flush();
- getAnalysisID<Pass>(PassToPrint).print(cout, BB.getParent()->getParent());
- cout << std::flush;
- return false;
- }
+static cl::opt<std::string>
+DefaultDataLayout("default-data-layout",
+ cl::desc("data layout string to use if not specified by module"),
+ cl::value_desc("layout-string"), cl::init(""));
- virtual const char *getPassName() const { return "BasicBlockPass Printer"; }
- virtual void getAnalysisUsage(AnalysisUsage &AU) const {
- AU.addRequiredID(PassToPrint);
- AU.setPreservesAll();
- }
-};
-char BasicBlockPassPrinter::ID = 0;
-inline void addPass(PassManager &PM, Pass *P) {
+static inline void addPass(legacy::PassManagerBase &PM, Pass *P) {
// Add the pass to the pass manager...
PM.add(P);
// If we are verifying all of the intermediate steps, add the verifier...
- if (VerifyEach) PM.add(createVerifierPass());
+ if (VerifyEach)
+ PM.add(createVerifierPass());
}
-/// AddOptimizationPasses - This routine adds optimization passes
-/// based on selected optimization level, OptLevel. This routine
-/// duplicates llvm-gcc behaviour.
+/// This routine adds optimization passes based on selected optimization level,
+/// OptLevel.
///
/// OptLevel - Optimization Level
-void AddOptimizationPasses(PassManager &MPM, FunctionPassManager &FPM,
- unsigned OptLevel) {
- createStandardFunctionPasses(&FPM, OptLevel);
-
- llvm::Pass *InliningPass = OptLevel > 1 ? createFunctionInliningPass() : 0;
- createStandardModulePasses(&MPM, OptLevel,
- /*OptimizeSize=*/ false,
- UnitAtATime,
- /*UnrollLoops=*/ OptLevel > 1,
- !DisableSimplifyLibCalls,
- /*HaveExceptions=*/ true,
- InliningPass);
+static void AddOptimizationPasses(legacy::PassManagerBase &MPM,
+ legacy::FunctionPassManager &FPM,
+ unsigned OptLevel, unsigned SizeLevel) {
+ FPM.add(createVerifierPass()); // Verify that input is correct
+
+ PassManagerBuilder Builder;
+ Builder.OptLevel = OptLevel;
+ Builder.SizeLevel = SizeLevel;
+
+ if (DisableInline) {
+ // No inlining pass
+ } else if (OptLevel > 1) {
+ Builder.Inliner = createFunctionInliningPass(OptLevel, SizeLevel);
+ } else {
+ Builder.Inliner = createAlwaysInlinerPass();
+ }
+ Builder.DisableUnitAtATime = !UnitAtATime;
+ Builder.DisableUnrollLoops = (DisableLoopUnrolling.getNumOccurrences() > 0) ?
+ DisableLoopUnrolling : OptLevel == 0;
+
+ // This is final, unless there is a #pragma vectorize enable
+ if (DisableLoopVectorization)
+ Builder.LoopVectorize = false;
+ // If option wasn't forced via cmd line (-vectorize-loops, -loop-vectorize)
+ else if (!Builder.LoopVectorize)
+ Builder.LoopVectorize = OptLevel > 1 && SizeLevel < 2;
+
+ // When #pragma vectorize is on for SLP, do the same as above
+ Builder.SLPVectorize =
+ DisableSLPVectorization ? false : OptLevel > 1 && SizeLevel < 2;
+
+ Builder.populateFunctionPassManager(FPM);
+ Builder.populateModulePassManager(MPM);
}
-void AddStandardCompilePasses(PassManager &PM) {
- PM.add(createVerifierPass()); // Verify that input is correct
-
- addPass(PM, createLowerSetJmpPass()); // Lower llvm.setjmp/.longjmp
+static void AddStandardLinkPasses(legacy::PassManagerBase &PM) {
+ PassManagerBuilder Builder;
+ Builder.VerifyInput = true;
+ if (DisableOptimizations)
+ Builder.OptLevel = 0;
- // If the -strip-debug command line option was specified, do it.
- if (StripDebug)
- addPass(PM, createStripSymbolsPass(true));
-
- if (DisableOptimizations) return;
+ if (!DisableInline)
+ Builder.Inliner = createFunctionInliningPass();
+ Builder.populateLTOPassManager(PM);
+}
- llvm::Pass *InliningPass = !DisableInline ? createFunctionInliningPass() : 0;
+//===----------------------------------------------------------------------===//
+// CodeGen-related helper functions.
+//
- // -std-compile-opts adds the same module passes as -O3.
- createStandardModulePasses(&PM, 3,
- /*OptimizeSize=*/ false,
- /*UnitAtATime=*/ true,
- /*UnrollLoops=*/ true,
- /*SimplifyLibCalls=*/ true,
- /*HaveExceptions=*/ true,
- InliningPass);
+static CodeGenOpt::Level GetCodeGenOptLevel() {
+ if (OptLevelO1)
+ return CodeGenOpt::Less;
+ if (OptLevelO2)
+ return CodeGenOpt::Default;
+ if (OptLevelO3)
+ return CodeGenOpt::Aggressive;
+ return CodeGenOpt::None;
}
-void AddStandardLinkPasses(PassManager &PM) {
- PM.add(createVerifierPass()); // Verify that input is correct
+// Returns the TargetMachine instance or zero if no triple is provided.
+static TargetMachine* GetTargetMachine(Triple TheTriple) {
+ std::string Error;
+ const Target *TheTarget = TargetRegistry::lookupTarget(MArch, TheTriple,
+ Error);
+ // Some modules don't specify a triple, and this is okay.
+ if (!TheTarget) {
+ return nullptr;
+ }
- // If the -strip-debug command line option was specified, do it.
- if (StripDebug)
- addPass(PM, createStripSymbolsPass(true));
+ // Package up features to be passed to target/subtarget
+ std::string FeaturesStr;
+ if (MAttrs.size() || MCPU == "native") {
+ SubtargetFeatures Features;
+
+ // If user asked for the 'native' CPU, we need to autodetect features.
+ // This is necessary for x86 where the CPU might not support all the
+ // features the autodetected CPU name lists in the target. For example,
+ // not all Sandybridge processors support AVX.
+ if (MCPU == "native") {
+ StringMap<bool> HostFeatures;
+ if (sys::getHostCPUFeatures(HostFeatures))
+ for (auto &F : HostFeatures)
+ Features.AddFeature(F.first(), F.second);
+ }
- if (DisableOptimizations) return;
+ for (unsigned i = 0; i != MAttrs.size(); ++i)
+ Features.AddFeature(MAttrs[i]);
+ FeaturesStr = Features.getString();
+ }
- createStandardLTOPasses(&PM, /*Internalize=*/ !DisableInternalize,
- /*RunInliner=*/ !DisableInline,
- /*VerifyEach=*/ VerifyEach);
-}
+ if (MCPU == "native")
+ MCPU = sys::getHostCPUName();
-} // anonymous namespace
+ return TheTarget->createTargetMachine(TheTriple.getTriple(),
+ MCPU, FeaturesStr,
+ InitTargetOptionsFromCodeGenFlags(),
+ RelocModel, CMModel,
+ GetCodeGenOptLevel());
+}
+#ifdef LINK_POLLY_INTO_TOOLS
+namespace polly {
+void initializePollyPasses(llvm::PassRegistry &Registry);
+}
+#endif
//===----------------------------------------------------------------------===//
// main for opt
//
int main(int argc, char **argv) {
- llvm_shutdown_obj X; // Call llvm_shutdown() on exit.
+ 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();
- 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) {
- errs() << argv[0] << ": ";
- if (ErrorMessage.size())
- errs() << ErrorMessage << "\n";
- else
- errs() << "bitcode didn't read correctly.\n";
- return 1;
- }
+ InitializeAllTargets();
+ InitializeAllTargetMCs();
+ InitializeAllAsmPrinters();
+
+ // 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);
+ // For codegen passes, only passes that do IR to IR transformation are
+ // supported.
+ initializeCodeGenPreparePass(Registry);
+ initializeAtomicExpandPass(Registry);
+ initializeRewriteSymbolsPass(Registry);
+ initializeWinEHPreparePass(Registry);
+ initializeDwarfEHPreparePass(Registry);
+
+#ifdef LINK_POLLY_INTO_TOOLS
+ polly::initializePollyPasses(Registry);
+#endif
+
+ 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;
+ }
- // Figure out what stream we are supposed to write to...
- // FIXME: outs() is not binary!
- raw_ostream *Out = &outs(); // Default to printing to stdout...
- if (OutputFilename != "-") {
- std::string ErrorInfo;
- Out = new raw_fd_ostream(OutputFilename.c_str(), /*Binary=*/true,
- Force, ErrorInfo);
- if (!ErrorInfo.empty()) {
- errs() << ErrorInfo << '\n';
- if (!Force)
- errs() << "Use -f command line argument to force output\n";
- delete Out;
- return 1;
- }
+ SMDiagnostic Err;
- // Make sure that the Output file gets unlinked from the disk if we get a
- // SIGINT
- sys::RemoveFileOnSignal(sys::Path(OutputFilename));
- }
+ // Load the input module...
+ std::unique_ptr<Module> M = parseIRFile(InputFilename, Err, Context);
- // 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 && CheckBitcodeOutputToConsole(Out,!Quiet)) {
- NoOutput = true;
+ if (!M) {
+ Err.print(argv[0], errs());
+ return 1;
+ }
+
+ // Strip debug info before running the verifier.
+ if (StripDebug)
+ StripDebugInfo(*M);
+
+ // Immediately run the verifier to catch any problems before starting up the
+ // pass pipelines. Otherwise we can crash on broken code during
+ // doInitialization().
+ if (!NoVerify && verifyModule(*M, &errs())) {
+ errs() << argv[0] << ": " << InputFilename
+ << ": error: input module is broken!\n";
+ 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...
+ std::unique_ptr<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::error_code EC;
+ Out.reset(new tool_output_file(OutputFilename, EC, sys::fs::F_None));
+ if (EC) {
+ errs() << EC.message() << '\n';
+ return 1;
}
+ }
- // Create a PassManager to hold and optimize the collection of passes we are
- // about to build...
- //
- PassManager Passes;
+ Triple ModuleTriple(M->getTargetTriple());
+ TargetMachine *Machine = nullptr;
+ if (ModuleTriple.getArch())
+ Machine = GetTargetMachine(ModuleTriple);
+ std::unique_ptr<TargetMachine> TM(Machine);
+
+ // 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;
- // Add an appropriate TargetData instance for this module...
- Passes.add(new TargetData(M.get()));
+ if (PassPipeline.getNumOccurrences() > 0) {
+ OutputKind OK = OK_NoOutput;
+ if (!NoOutput)
+ OK = OutputAssembly ? OK_OutputAssembly : OK_OutputBitcode;
+
+ VerifierKind VK = VK_VerifyInAndOut;
+ if (NoVerify)
+ VK = VK_NoVerifier;
+ else if (VerifyEach)
+ VK = VK_VerifyEachPass;
+
+ // The user has asked to use the new pass manager and provided a pipeline
+ // string. Hand off the rest of the functionality to the new code for that
+ // layer.
+ return runPassPipeline(argv[0], Context, *M, TM.get(), Out.get(),
+ PassPipeline, OK, VK)
+ ? 0
+ : 1;
+ }
- FunctionPassManager *FPasses = NULL;
- if (OptLevelO1 || OptLevelO2 || OptLevelO3) {
- FPasses = new FunctionPassManager(new ExistingModuleProvider(M.get()));
- FPasses->add(new TargetData(M.get()));
- }
+ // Create a PassManager to hold and optimize the collection of passes we are
+ // about to build.
+ //
+ legacy::PassManager Passes;
- // 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;
- }
+ // Add an appropriate TargetLibraryInfo pass for the module's triple.
+ TargetLibraryInfoImpl TLII(ModuleTriple);
- if (StandardLinkOpts &&
- StandardLinkOpts.getPosition() < PassList.getPosition(i)) {
- AddStandardLinkPasses(Passes);
- StandardLinkOpts = false;
- }
+ // The -disable-simplify-libcalls flag actually disables all builtin optzns.
+ if (DisableSimplifyLibCalls)
+ TLII.disableAllFunctions();
+ Passes.add(new TargetLibraryInfoWrapperPass(TLII));
- if (OptLevelO1 && OptLevelO1.getPosition() < PassList.getPosition(i)) {
- AddOptimizationPasses(Passes, *FPasses, 1);
- OptLevelO1 = false;
- }
+ // Add an appropriate DataLayout instance for this module.
+ const DataLayout &DL = M->getDataLayout();
+ if (DL.isDefault() && !DefaultDataLayout.empty()) {
+ M->setDataLayout(DefaultDataLayout);
+ }
- if (OptLevelO2 && OptLevelO2.getPosition() < PassList.getPosition(i)) {
- AddOptimizationPasses(Passes, *FPasses, 2);
- OptLevelO2 = false;
- }
+ // Add internal analysis passes from the target machine.
+ Passes.add(createTargetTransformInfoWrapperPass(TM ? TM->getTargetIRAnalysis()
+ : TargetIRAnalysis()));
- if (OptLevelO3 && OptLevelO3.getPosition() < PassList.getPosition(i)) {
- AddOptimizationPasses(Passes, *FPasses, 3);
- OptLevelO3 = false;
- }
+ std::unique_ptr<legacy::FunctionPassManager> FPasses;
+ if (OptLevelO1 || OptLevelO2 || OptLevelOs || OptLevelOz || OptLevelO3) {
+ FPasses.reset(new legacy::FunctionPassManager(M.get()));
+ FPasses->add(createTargetTransformInfoWrapperPass(
+ TM ? TM->getTargetIRAnalysis() : TargetIRAnalysis()));
+ }
- const PassInfo *PassInf = PassList[i];
- Pass *P = 0;
- if (PassInf->getNormalCtor())
- P = PassInf->getNormalCtor()();
- else
- errs() << argv[0] << ": cannot create pass: "
- << PassInf->getPassName() << "\n";
- if (P) {
- bool isBBPass = dynamic_cast<BasicBlockPass*>(P) != 0;
- bool isLPass = !isBBPass && dynamic_cast<LoopPass*>(P) != 0;
- bool isFPass = !isLPass && dynamic_cast<FunctionPass*>(P) != 0;
- bool isCGSCCPass = !isFPass && dynamic_cast<CallGraphSCCPass*>(P) != 0;
-
- addPass(Passes, P);
-
- if (AnalyzeOnly) {
- if (isBBPass)
- Passes.add(new BasicBlockPassPrinter(PassInf));
- else if (isLPass)
- Passes.add(new LoopPassPrinter(PassInf));
- else if (isFPass)
- Passes.add(new FunctionPassPrinter(PassInf));
- else if (isCGSCCPass)
- Passes.add(new CallGraphSCCPassPrinter(PassInf));
- else
- Passes.add(new ModulePassPrinter(PassInf));
- }
+ if (PrintBreakpoints) {
+ // Default to standard output.
+ if (!Out) {
+ if (OutputFilename.empty())
+ OutputFilename = "-";
+
+ std::error_code EC;
+ Out = llvm::make_unique<tool_output_file>(OutputFilename, EC,
+ sys::fs::F_None);
+ if (EC) {
+ errs() << EC.message() << '\n';
+ return 1;
}
+ }
+ Passes.add(createBreakpointPrinter(Out->os()));
+ NoOutput = true;
+ }
- if (PrintEachXForm)
- Passes.add(createPrintModulePass(&errs()));
+ // Create a new optimization pass for each one specified on the command line
+ for (unsigned i = 0; i < PassList.size(); ++i) {
+ if (StandardLinkOpts &&
+ StandardLinkOpts.getPosition() < PassList.getPosition(i)) {
+ AddStandardLinkPasses(Passes);
+ StandardLinkOpts = false;
}
- // If -std-compile-opts was specified at the end of the pass list, add them.
- if (StandardCompileOpts) {
- AddStandardCompilePasses(Passes);
- StandardCompileOpts = false;
+ if (OptLevelO1 && OptLevelO1.getPosition() < PassList.getPosition(i)) {
+ AddOptimizationPasses(Passes, *FPasses, 1, 0);
+ OptLevelO1 = false;
}
- if (StandardLinkOpts) {
- AddStandardLinkPasses(Passes);
- StandardLinkOpts = false;
+ if (OptLevelO2 && OptLevelO2.getPosition() < PassList.getPosition(i)) {
+ AddOptimizationPasses(Passes, *FPasses, 2, 0);
+ OptLevelO2 = false;
}
- if (OptLevelO1) {
- AddOptimizationPasses(Passes, *FPasses, 1);
+ if (OptLevelOs && OptLevelOs.getPosition() < PassList.getPosition(i)) {
+ AddOptimizationPasses(Passes, *FPasses, 2, 1);
+ OptLevelOs = false;
}
- if (OptLevelO2) {
- AddOptimizationPasses(Passes, *FPasses, 2);
+ if (OptLevelOz && OptLevelOz.getPosition() < PassList.getPosition(i)) {
+ AddOptimizationPasses(Passes, *FPasses, 2, 2);
+ OptLevelOz = false;
}
- if (OptLevelO3) {
- AddOptimizationPasses(Passes, *FPasses, 3);
+ if (OptLevelO3 && OptLevelO3.getPosition() < PassList.getPosition(i)) {
+ AddOptimizationPasses(Passes, *FPasses, 3, 0);
+ OptLevelO3 = false;
}
- if (OptLevelO1 || OptLevelO2 || OptLevelO3) {
- FPasses->doInitialization();
- for (Module::iterator I = M.get()->begin(), E = M.get()->end();
- I != E; ++I)
- FPasses->run(*I);
+ const PassInfo *PassInf = PassList[i];
+ Pass *P = nullptr;
+ if (PassInf->getTargetMachineCtor())
+ P = PassInf->getTargetMachineCtor()(TM.get());
+ else if (PassInf->getNormalCtor())
+ P = PassInf->getNormalCtor()();
+ else
+ errs() << argv[0] << ": cannot create pass: "
+ << PassInf->getPassName() << "\n";
+ if (P) {
+ PassKind Kind = P->getPassKind();
+ addPass(Passes, P);
+
+ if (AnalyzeOnly) {
+ switch (Kind) {
+ case PT_BasicBlock:
+ Passes.add(createBasicBlockPassPrinter(PassInf, Out->os(), Quiet));
+ break;
+ case PT_Region:
+ Passes.add(createRegionPassPrinter(PassInf, Out->os(), Quiet));
+ break;
+ case PT_Loop:
+ Passes.add(createLoopPassPrinter(PassInf, Out->os(), Quiet));
+ break;
+ case PT_Function:
+ Passes.add(createFunctionPassPrinter(PassInf, Out->os(), Quiet));
+ break;
+ case PT_CallGraphSCC:
+ Passes.add(createCallGraphPassPrinter(PassInf, Out->os(), Quiet));
+ break;
+ default:
+ Passes.add(createModulePassPrinter(PassInf, Out->os(), Quiet));
+ break;
+ }
+ }
}
- // Check that the module is well formed on completion of optimization
- if (!NoVerify && !VerifyEach)
- Passes.add(createVerifierPass());
+ if (PrintEachXForm)
+ Passes.add(createPrintModulePass(errs()));
+ }
+
+ if (StandardLinkOpts) {
+ AddStandardLinkPasses(Passes);
+ StandardLinkOpts = false;
+ }
+
+ if (OptLevelO1)
+ AddOptimizationPasses(Passes, *FPasses, 1, 0);
+
+ if (OptLevelO2)
+ AddOptimizationPasses(Passes, *FPasses, 2, 0);
- // Write bitcode out to disk or outs() as the last step...
- if (!NoOutput && !AnalyzeOnly)
- Passes.add(createBitcodeWriterPass(*Out));
+ if (OptLevelOs)
+ AddOptimizationPasses(Passes, *FPasses, 2, 1);
- // Now that we have all of the passes ready, run them.
- Passes.run(*M.get());
+ if (OptLevelOz)
+ AddOptimizationPasses(Passes, *FPasses, 2, 2);
- // Delete the raw_fd_ostream.
- if (Out != &outs())
- delete Out;
- return 0;
+ if (OptLevelO3)
+ AddOptimizationPasses(Passes, *FPasses, 3, 0);
- } catch (const std::string& msg) {
- errs() << argv[0] << ": " << msg << "\n";
- } catch (...) {
- errs() << argv[0] << ": Unexpected unknown exception occurred.\n";
+ if (OptLevelO1 || OptLevelO2 || OptLevelOs || OptLevelOz || OptLevelO3) {
+ FPasses->doInitialization();
+ for (Function &F : *M)
+ FPasses->run(F);
+ FPasses->doFinalization();
}
- llvm_shutdown();
- return 1;
+
+ // 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);
+
+ // Declare success.
+ if (!NoOutput || PrintBreakpoints)
+ Out->keep();
+
+ return 0;
}
projects / oota-llvm.git / blobdiff