//
//===----------------------------------------------------------------------===//
-#include "llvm/LLVMContext.h"
-#include "llvm/Module.h"
-#include "llvm/PassManager.h"
-#include "llvm/CallGraphSCCPass.h"
-#include "llvm/Bitcode/ReaderWriter.h"
-#include "llvm/Assembly/PrintModulePass.h"
-#include "llvm/Analysis/DebugInfo.h"
-#include "llvm/Analysis/Verifier.h"
+#include "BreakpointPrinter.h"
+#include "NewPMDriver.h"
+#include "PassPrinters.h"
+#include "llvm/ADT/Triple.h"
+#include "llvm/Analysis/CallGraph.h"
+#include "llvm/Analysis/CallGraphSCCPass.h"
#include "llvm/Analysis/LoopPass.h"
#include "llvm/Analysis/RegionPass.h"
-#include "llvm/Analysis/CallGraph.h"
-#include "llvm/Target/TargetData.h"
-#include "llvm/Target/TargetMachine.h"
-#include "llvm/Support/PassNameParser.h"
-#include "llvm/Support/Signals.h"
+#include "llvm/Bitcode/BitcodeWriterPass.h"
+#include "llvm/CodeGen/CommandFlags.h"
+#include "llvm/IR/DataLayout.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/PassManager.h"
#include "llvm/Support/Debug.h"
-#include "llvm/Support/IRReader.h"
+#include "llvm/Support/FileSystem.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/PluginLoader.h"
#include "llvm/Support/PrettyStackTrace.h"
-#include "llvm/Support/StandardPasses.h"
+#include "llvm/Support/Signals.h"
+#include "llvm/Support/SourceMgr.h"
#include "llvm/Support/SystemUtils.h"
+#include "llvm/Support/TargetRegistry.h"
+#include "llvm/Support/TargetSelect.h"
#include "llvm/Support/ToolOutputFile.h"
-#include "llvm/LinkAllPasses.h"
-#include "llvm/LinkAllVMCore.h"
-#include <memory>
+#include "llvm/Target/TargetLibraryInfo.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<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::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",
cl::desc("Disable simplify-libcalls"));
AnalyzeOnly("analyze", cl::desc("Only perform analysis, no optimization"));
static cl::opt<bool>
-PrintBreakpoints("print-breakpoints-for-testing",
+PrintBreakpoints("print-breakpoints-for-testing",
cl::desc("Print select breakpoints location for testing"));
static cl::opt<std::string>
-DefaultDataLayout("default-data-layout",
+DefaultDataLayout("default-data-layout",
cl::desc("data layout string to use if not specified by module"),
cl::value_desc("layout-string"), cl::init(""));
-// ---------- Define Printers for module and function passes ------------
-namespace {
-
-struct CallGraphSCCPassPrinter : public CallGraphSCCPass {
- static char ID;
- const PassInfo *PassToPrint;
- raw_ostream &Out;
- std::string PassName;
-
- CallGraphSCCPassPrinter(const PassInfo *PI, raw_ostream &out) :
- CallGraphSCCPass(ID), PassToPrint(PI), Out(out) {
- std::string PassToPrintName = PassToPrint->getPassName();
- PassName = "CallGraphSCCPass Printer: " + PassToPrintName;
- }
-
- virtual bool runOnSCC(CallGraphSCC &SCC) {
- if (!Quiet)
- Out << "Printing analysis '" << PassToPrint->getPassName() << "':\n";
-
- // Get and print pass...
- for (CallGraphSCC::iterator I = SCC.begin(), E = SCC.end(); I != E; ++I) {
- Function *F = (*I)->getFunction();
- if (F)
- getAnalysisID<Pass>(PassToPrint->getTypeInfo()).print(Out,
- F->getParent());
- }
- return false;
- }
-
- virtual const char *getPassName() const { return PassName.c_str(); }
-
- virtual void getAnalysisUsage(AnalysisUsage &AU) const {
- AU.addRequiredID(PassToPrint->getTypeInfo());
- AU.setPreservesAll();
- }
-};
-
-char CallGraphSCCPassPrinter::ID = 0;
-
-struct ModulePassPrinter : public ModulePass {
- static char ID;
- const PassInfo *PassToPrint;
- raw_ostream &Out;
- std::string PassName;
-
- ModulePassPrinter(const PassInfo *PI, raw_ostream &out)
- : ModulePass(ID), PassToPrint(PI), Out(out) {
- std::string PassToPrintName = PassToPrint->getPassName();
- PassName = "ModulePass Printer: " + PassToPrintName;
- }
-
- virtual bool runOnModule(Module &M) {
- if (!Quiet)
- Out << "Printing analysis '" << PassToPrint->getPassName() << "':\n";
-
- // Get and print pass...
- getAnalysisID<Pass>(PassToPrint->getTypeInfo()).print(Out, &M);
- return false;
- }
-
- virtual const char *getPassName() const { return PassName.c_str(); }
-
- virtual void getAnalysisUsage(AnalysisUsage &AU) const {
- AU.addRequiredID(PassToPrint->getTypeInfo());
- AU.setPreservesAll();
- }
-};
-
-char ModulePassPrinter::ID = 0;
-struct FunctionPassPrinter : public FunctionPass {
- const PassInfo *PassToPrint;
- raw_ostream &Out;
- static char ID;
- std::string PassName;
-
- FunctionPassPrinter(const PassInfo *PI, raw_ostream &out)
- : FunctionPass(ID), PassToPrint(PI), Out(out) {
- std::string PassToPrintName = PassToPrint->getPassName();
- PassName = "FunctionPass Printer: " + PassToPrintName;
- }
-
- virtual bool runOnFunction(Function &F) {
- if (!Quiet)
- Out << "Printing analysis '" << PassToPrint->getPassName()
- << "' for function '" << F.getName() << "':\n";
-
- // Get and print pass...
- getAnalysisID<Pass>(PassToPrint->getTypeInfo()).print(Out,
- F.getParent());
- return false;
- }
-
- virtual const char *getPassName() const { return PassName.c_str(); }
-
- virtual void getAnalysisUsage(AnalysisUsage &AU) const {
- AU.addRequiredID(PassToPrint->getTypeInfo());
- AU.setPreservesAll();
- }
-};
-
-char FunctionPassPrinter::ID = 0;
-
-struct LoopPassPrinter : public LoopPass {
- static char ID;
- const PassInfo *PassToPrint;
- raw_ostream &Out;
- std::string PassName;
-
- LoopPassPrinter(const PassInfo *PI, raw_ostream &out) :
- LoopPass(ID), PassToPrint(PI), Out(out) {
- std::string PassToPrintName = PassToPrint->getPassName();
- PassName = "LoopPass Printer: " + PassToPrintName;
- }
-
-
- virtual bool runOnLoop(Loop *L, LPPassManager &LPM) {
- if (!Quiet)
- Out << "Printing analysis '" << PassToPrint->getPassName() << "':\n";
-
- // Get and print pass...
- getAnalysisID<Pass>(PassToPrint->getTypeInfo()).print(Out,
- L->getHeader()->getParent()->getParent());
- return false;
- }
-
- virtual const char *getPassName() const { return PassName.c_str(); }
-
- virtual void getAnalysisUsage(AnalysisUsage &AU) const {
- AU.addRequiredID(PassToPrint->getTypeInfo());
- AU.setPreservesAll();
- }
-};
-
-char LoopPassPrinter::ID = 0;
-
-struct RegionPassPrinter : public RegionPass {
- static char ID;
- const PassInfo *PassToPrint;
- raw_ostream &Out;
- std::string PassName;
-
- RegionPassPrinter(const PassInfo *PI, raw_ostream &out) : RegionPass(ID),
- PassToPrint(PI), Out(out) {
- std::string PassToPrintName = PassToPrint->getPassName();
- PassName = "RegionPass Printer: " + PassToPrintName;
- }
-
- virtual bool runOnRegion(Region *R, RGPassManager &RGM) {
- if (!Quiet) {
- Out << "Printing analysis '" << PassToPrint->getPassName() << "' for "
- << "region: '" << R->getNameStr() << "' in function '"
- << R->getEntry()->getParent()->getNameStr() << "':\n";
- }
- // Get and print pass...
- getAnalysisID<Pass>(PassToPrint->getTypeInfo()).print(Out,
- R->getEntry()->getParent()->getParent());
- return false;
- }
-
- virtual const char *getPassName() const { return PassName.c_str(); }
- virtual void getAnalysisUsage(AnalysisUsage &AU) const {
- AU.addRequiredID(PassToPrint->getTypeInfo());
- AU.setPreservesAll();
- }
-};
-
-char RegionPassPrinter::ID = 0;
-
-struct BasicBlockPassPrinter : public BasicBlockPass {
- const PassInfo *PassToPrint;
- raw_ostream &Out;
- static char ID;
- std::string PassName;
-
- BasicBlockPassPrinter(const PassInfo *PI, raw_ostream &out)
- : BasicBlockPass(ID), PassToPrint(PI), Out(out) {
- std::string PassToPrintName = PassToPrint->getPassName();
- PassName = "BasicBlockPass Printer: " + PassToPrintName;
- }
-
- virtual bool runOnBasicBlock(BasicBlock &BB) {
- if (!Quiet)
- Out << "Printing Analysis info for BasicBlock '" << BB.getName()
- << "': Pass " << PassToPrint->getPassName() << ":\n";
-
- // Get and print pass...
- getAnalysisID<Pass>(PassToPrint->getTypeInfo()).print(Out,
- BB.getParent()->getParent());
- return false;
- }
-
- virtual const char *getPassName() const { return PassName.c_str(); }
-
- virtual void getAnalysisUsage(AnalysisUsage &AU) const {
- AU.addRequiredID(PassToPrint->getTypeInfo());
- AU.setPreservesAll();
- }
-};
-
-char BasicBlockPassPrinter::ID = 0;
-
-struct BreakpointPrinter : public FunctionPass {
- raw_ostream &Out;
- static char ID;
-
- BreakpointPrinter(raw_ostream &out)
- : FunctionPass(ID), Out(out) {
- }
-
- virtual bool runOnFunction(Function &F) {
- for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) {
- BasicBlock::const_iterator BI = I->end();
- --BI;
- do {
- const Instruction *In = BI;
- const DebugLoc DL = In->getDebugLoc();
- if (!DL.isUnknown()) {
- DIScope S(DL.getScope(getGlobalContext()));
- Out << S.getFilename() << " " << DL.getLine() << "\n";
- break;
- }
- --BI;
- } while (BI != I->begin());
- break;
- }
- BasicBlock &EntryBB = F.getEntryBlock();
- for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) {
- BasicBlock *BB = I;
- if (BB == &EntryBB) continue;
- for (BasicBlock::iterator BI = I->begin(), BE = I->end(); BI != BE; ++BI)
- if (CallInst *CI = dyn_cast<CallInst>(BI)) {
- const DebugLoc DL = CI->getDebugLoc();
- if (!DL.isUnknown()) {
- DIScope S(DL.getScope(getGlobalContext()));
- Out << S.getFilename() << " " << DL.getLine() << "\n";
- }
- }
- }
- return false;
- }
- virtual void getAnalysisUsage(AnalysisUsage &AU) const {
- AU.setPreservesAll();
- }
-};
-
-char BreakpointPrinter::ID = 0;
-
-inline void addPass(PassManagerBase &PM, Pass *P) {
+static inline void addPass(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());
+ PM.add(createDebugInfoVerifierPass());
+ }
}
/// AddOptimizationPasses - This routine adds optimization passes
/// duplicates llvm-gcc behaviour.
///
/// OptLevel - Optimization Level
-void AddOptimizationPasses(PassManagerBase &MPM, PassManagerBase &FPM,
- unsigned OptLevel) {
- createStandardFunctionPasses(&FPM, OptLevel);
+static void AddOptimizationPasses(PassManagerBase &MPM,FunctionPassManager &FPM,
+ unsigned OptLevel, unsigned SizeLevel) {
+ FPM.add(createVerifierPass()); // Verify that input is correct
+ MPM.add(createDebugInfoVerifierPass()); // Verify that debug info is correct
+
+ PassManagerBuilder Builder;
+ Builder.OptLevel = OptLevel;
+ Builder.SizeLevel = SizeLevel;
- llvm::Pass *InliningPass = 0;
if (DisableInline) {
// No inlining pass
- } else if (OptLevel) {
- unsigned Threshold = 225;
- if (OptLevel > 2)
- Threshold = 275;
- InliningPass = createFunctionInliningPass(Threshold);
+ } else if (OptLevel > 1) {
+ Builder.Inliner = createFunctionInliningPass(OptLevel, SizeLevel);
} else {
- InliningPass = createAlwaysInlinerPass();
+ Builder.Inliner = createAlwaysInlinerPass();
}
- createStandardModulePasses(&MPM, OptLevel,
- /*OptimizeSize=*/ false,
- UnitAtATime,
- /*UnrollLoops=*/ OptLevel > 1,
- !DisableSimplifyLibCalls,
- /*HaveExceptions=*/ true,
- InliningPass);
+ 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(PassManagerBase &PM) {
+static void AddStandardCompilePasses(PassManagerBase &PM) {
PM.add(createVerifierPass()); // Verify that input is correct
- addPass(PM, createLowerSetJmpPass()); // Lower llvm.setjmp/.longjmp
-
// If the -strip-debug command line option was specified, do it.
if (StripDebug)
addPass(PM, createStripSymbolsPass(true));
- if (DisableOptimizations) return;
+ // Verify debug info only after it's (possibly) stripped.
+ PM.add(createDebugInfoVerifierPass());
- llvm::Pass *InliningPass = !DisableInline ? createFunctionInliningPass() : 0;
+ if (DisableOptimizations) return;
// -std-compile-opts adds the same module passes as -O3.
- createStandardModulePasses(&PM, 3,
- /*OptimizeSize=*/ false,
- /*UnitAtATime=*/ true,
- /*UnrollLoops=*/ true,
- /*SimplifyLibCalls=*/ true,
- /*HaveExceptions=*/ true,
- InliningPass);
+ PassManagerBuilder Builder;
+ if (!DisableInline)
+ Builder.Inliner = createFunctionInliningPass();
+ Builder.OptLevel = 3;
+ Builder.populateModulePassManager(PM);
}
-void AddStandardLinkPasses(PassManagerBase &PM) {
+static void AddStandardLinkPasses(PassManagerBase &PM) {
PM.add(createVerifierPass()); // Verify that input is correct
// If the -strip-debug command line option was specified, do it.
if (StripDebug)
addPass(PM, createStripSymbolsPass(true));
+ // Verify debug info only after it's (possibly) stripped.
+ PM.add(createDebugInfoVerifierPass());
+
if (DisableOptimizations) return;
- createStandardLTOPasses(&PM, /*Internalize=*/ !DisableInternalize,
- /*RunInliner=*/ !DisableInline,
- /*VerifyEach=*/ VerifyEach);
+ PassManagerBuilder Builder;
+ Builder.populateLTOPassManager(PM, /*Internalize=*/ !DisableInternalize,
+ /*RunInliner=*/ !DisableInline);
}
-} // anonymous namespace
+//===----------------------------------------------------------------------===//
+// CodeGen-related helper functions.
+//
+CodeGenOpt::Level GetCodeGenOptLevel() {
+ if (OptLevelO1)
+ return CodeGenOpt::Less;
+ if (OptLevelO2)
+ return CodeGenOpt::Default;
+ if (OptLevelO3)
+ return CodeGenOpt::Aggressive;
+ return CodeGenOpt::None;
+}
+
+// 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;
+ }
+
+ // Package up features to be passed to target/subtarget
+ std::string FeaturesStr;
+ if (MAttrs.size()) {
+ SubtargetFeatures Features;
+ for (unsigned i = 0; i != MAttrs.size(); ++i)
+ Features.AddFeature(MAttrs[i]);
+ FeaturesStr = Features.getString();
+ }
+
+ 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
llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
LLVMContext &Context = getGlobalContext();
-
+
+ InitializeAllTargets();
+ InitializeAllTargetMCs();
+ InitializeAllAsmPrinters();
+
// Initialize passes
PassRegistry &Registry = *PassRegistry::getPassRegistry();
initializeCore(Registry);
+ initializeDebugIRPass(Registry);
initializeScalarOpts(Registry);
+ initializeObjCARCOpts(Registry);
+ initializeVectorization(Registry);
initializeIPO(Registry);
initializeAnalysis(Registry);
initializeIPA(Registry);
initializeInstCombine(Registry);
initializeInstrumentation(Registry);
initializeTarget(Registry);
-
+ // For codegen passes, only passes that do IR to IR transformation are
+ // supported.
+ initializeCodeGenPreparePass(Registry);
+ initializeAtomicExpandLoadLinkedPass(Registry);
+
+#ifdef LINK_POLLY_INTO_TOOLS
+ polly::initializePollyPasses(Registry);
+#endif
+
cl::ParseCommandLineOptions(argc, argv,
"llvm .bc -> .bc modular optimizer and analysis printer\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;
+ std::unique_ptr<Module> M;
M.reset(ParseIRFile(InputFilename, Err, Context));
- if (M.get() == 0) {
- Err.Print(argv[0], errs());
+ if (!M.get()) {
+ 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;
+ std::unique_ptr<tool_output_file> Out;
if (NoOutput) {
if (!OutputFilename.empty())
errs() << "WARNING: The -o (output filename) option is ignored when\n"
std::string ErrorInfo;
Out.reset(new tool_output_file(OutputFilename.c_str(), ErrorInfo,
- raw_fd_ostream::F_Binary));
+ sys::fs::F_None));
if (!ErrorInfo.empty()) {
errs() << ErrorInfo << '\n';
return 1;
if (CheckBitcodeOutputToConsole(Out->os(), !Quiet))
NoOutput = true;
+ 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.get(), Out.get(), PassPipeline,
+ OK, VK)
+ ? 0
+ : 1;
+ }
+
// Create a PassManager to hold and optimize the collection of passes we are
- // about to build...
+ // 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));
+ // 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.
+ const DataLayout *DL = M.get()->getDataLayout();
+ if (!DL && !DefaultDataLayout.empty()) {
+ M->setDataLayout(DefaultDataLayout);
+ DL = M.get()->getDataLayout();
+ }
+
+ if (DL)
+ Passes.add(new DataLayoutPass(M.get()));
+
+ Triple ModuleTriple(M->getTargetTriple());
+ TargetMachine *Machine = nullptr;
+ if (ModuleTriple.getArch())
+ Machine = GetTargetMachine(Triple(ModuleTriple));
+ std::unique_ptr<TargetMachine> TM(Machine);
+
+ // Add internal analysis passes from the target machine.
+ if (TM.get())
+ TM->addAnalysisPasses(Passes);
+
+ std::unique_ptr<FunctionPassManager> FPasses;
+ if (OptLevelO1 || OptLevelO2 || OptLevelOs || OptLevelOz || OptLevelO3) {
+ FPasses.reset(new FunctionPassManager(M.get()));
+ if (DL)
+ FPasses->add(new DataLayoutPass(M.get()));
+ if (TM.get())
+ TM->addAnalysisPasses(*FPasses);
+
}
if (PrintBreakpoints) {
if (!Out) {
if (OutputFilename.empty())
OutputFilename = "-";
-
+
std::string ErrorInfo;
Out.reset(new tool_output_file(OutputFilename.c_str(), ErrorInfo,
- raw_fd_ostream::F_Binary));
+ sys::fs::F_None));
if (!ErrorInfo.empty()) {
errs() << ErrorInfo << '\n';
return 1;
}
}
- Passes.add(new BreakpointPrinter(Out->os()));
+ Passes.add(createBreakpointPrinter(Out->os()));
NoOutput = true;
}
}
if (OptLevelO1 && OptLevelO1.getPosition() < PassList.getPosition(i)) {
- AddOptimizationPasses(Passes, *FPasses, 1);
+ AddOptimizationPasses(Passes, *FPasses, 1, 0);
OptLevelO1 = false;
}
if (OptLevelO2 && OptLevelO2.getPosition() < PassList.getPosition(i)) {
- AddOptimizationPasses(Passes, *FPasses, 2);
+ 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);
+ AddOptimizationPasses(Passes, *FPasses, 3, 0);
OptLevelO3 = false;
}
const PassInfo *PassInf = PassList[i];
- Pass *P = 0;
- if (PassInf->getNormalCtor())
+ 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: "
if (AnalyzeOnly) {
switch (Kind) {
case PT_BasicBlock:
- Passes.add(new BasicBlockPassPrinter(PassInf, Out->os()));
+ Passes.add(createBasicBlockPassPrinter(PassInf, Out->os(), Quiet));
break;
case PT_Region:
- Passes.add(new RegionPassPrinter(PassInf, Out->os()));
+ Passes.add(createRegionPassPrinter(PassInf, Out->os(), Quiet));
break;
case PT_Loop:
- Passes.add(new LoopPassPrinter(PassInf, Out->os()));
+ Passes.add(createLoopPassPrinter(PassInf, Out->os(), Quiet));
break;
case PT_Function:
- Passes.add(new FunctionPassPrinter(PassInf, Out->os()));
+ Passes.add(createFunctionPassPrinter(PassInf, Out->os(), Quiet));
break;
case PT_CallGraphSCC:
- Passes.add(new CallGraphSCCPassPrinter(PassInf, Out->os()));
+ Passes.add(createCallGraphPassPrinter(PassInf, Out->os(), Quiet));
break;
default:
- Passes.add(new ModulePassPrinter(PassInf, Out->os()));
+ Passes.add(createModulePassPrinter(PassInf, Out->os(), Quiet));
break;
}
}
}
if (PrintEachXForm)
- Passes.add(createPrintModulePass(&errs()));
+ Passes.add(createPrintModulePass(errs()));
}
// If -std-compile-opts was specified at the end of the pass list, add them.
}
if (OptLevelO1)
- AddOptimizationPasses(Passes, *FPasses, 1);
+ AddOptimizationPasses(Passes, *FPasses, 1, 0);
if (OptLevelO2)
- AddOptimizationPasses(Passes, *FPasses, 2);
+ 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);
+ AddOptimizationPasses(Passes, *FPasses, 3, 0);
- if (OptLevelO1 || OptLevelO2 || OptLevelO3)
- FPasses->run(*M.get());
+ 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();
+ }
// Check that the module is well formed on completion of optimization
- if (!NoVerify && !VerifyEach)
+ if (!NoVerify && !VerifyEach) {
Passes.add(createVerifierPass());
+ Passes.add(createDebugInfoVerifierPass());
+ }
// Write bitcode or assembly to the output as the last step...
if (!NoOutput && !AnalyzeOnly) {
if (OutputAssembly)
- Passes.add(createPrintModulePass(&Out->os()));
+ 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());