diff options
Diffstat (limited to 'lib/IR/AsmWriter.cpp')
-rw-r--r-- | lib/IR/AsmWriter.cpp | 176 |
1 files changed, 136 insertions, 40 deletions
diff --git a/lib/IR/AsmWriter.cpp b/lib/IR/AsmWriter.cpp index bc35cb3986b3..adc620db897c 100644 --- a/lib/IR/AsmWriter.cpp +++ b/lib/IR/AsmWriter.cpp @@ -30,6 +30,7 @@ #include "llvm/IR/IntrinsicInst.h" #include "llvm/IR/LLVMContext.h" #include "llvm/IR/Module.h" +#include "llvm/IR/ModuleSlotTracker.h" #include "llvm/IR/Operator.h" #include "llvm/IR/Statepoint.h" #include "llvm/IR/TypeFinder.h" @@ -67,7 +68,7 @@ struct OrderMap { IDs[V].first = ID; } }; -} // namespace +} static void orderValue(const Value *V, OrderMap &OM) { if (OM.lookup(V).first) @@ -544,7 +545,7 @@ void TypePrinting::printStructBody(StructType *STy, raw_ostream &OS) { OS << '>'; } -namespace { +namespace llvm { //===----------------------------------------------------------------------===// // SlotTracker Class: Enumerate slot numbers for unnamed values //===----------------------------------------------------------------------===// @@ -663,7 +664,32 @@ private: SlotTracker(const SlotTracker &) = delete; void operator=(const SlotTracker &) = delete; }; -} // namespace +} // namespace llvm + +ModuleSlotTracker::ModuleSlotTracker(SlotTracker &Machine, const Module *M, + const Function *F) + : M(M), F(F), Machine(&Machine) {} + +ModuleSlotTracker::ModuleSlotTracker(const Module *M, + bool ShouldInitializeAllMetadata) + : MachineStorage(M ? new SlotTracker(M, ShouldInitializeAllMetadata) + : nullptr), + M(M), Machine(MachineStorage.get()) {} + +ModuleSlotTracker::~ModuleSlotTracker() {} + +void ModuleSlotTracker::incorporateFunction(const Function &F) { + if (!Machine) + return; + + // Nothing to do if this is the right function already. + if (this->F == &F) + return; + if (this->F) + Machine->purgeFunction(); + Machine->incorporateFunction(&F); + this->F = &F; +} static SlotTracker *createSlotTracker(const Module *M) { return new SlotTracker(M); @@ -1697,6 +1723,20 @@ static void writeDINamespace(raw_ostream &Out, const DINamespace *N, Out << ")"; } +static void writeDIModule(raw_ostream &Out, const DIModule *N, + TypePrinting *TypePrinter, SlotTracker *Machine, + const Module *Context) { + Out << "!DIModule("; + MDFieldPrinter Printer(Out, TypePrinter, Machine, Context); + Printer.printMetadata("scope", N->getRawScope(), /* ShouldSkipNull */ false); + Printer.printString("name", N->getName()); + Printer.printString("configMacros", N->getConfigurationMacros()); + Printer.printString("includePath", N->getIncludePath()); + Printer.printString("isysroot", N->getISysRoot()); + Out << ")"; +} + + static void writeDITemplateTypeParameter(raw_ostream &Out, const DITemplateTypeParameter *N, TypePrinting *TypePrinter, @@ -1915,8 +1955,11 @@ static void WriteAsOperandInternal(raw_ostream &Out, const Metadata *MD, SlotTracker *Machine, const Module *Context, bool FromValue) { if (const MDNode *N = dyn_cast<MDNode>(MD)) { - if (!Machine) - Machine = new SlotTracker(Context); + std::unique_ptr<SlotTracker> MachineStorage; + if (!Machine) { + MachineStorage = make_unique<SlotTracker>(Context); + Machine = MachineStorage.get(); + } int Slot = Machine->getMetadataSlot(N); if (Slot == -1) // Give the pointer value instead of "badref", since this comes up all @@ -1948,7 +1991,7 @@ namespace { class AssemblyWriter { formatted_raw_ostream &Out; const Module *TheModule; - std::unique_ptr<SlotTracker> ModuleSlotTracker; + std::unique_ptr<SlotTracker> SlotTrackerStorage; SlotTracker &Machine; TypePrinting TypePrinter; AssemblyAnnotationWriter *AnnotationWriter; @@ -2038,8 +2081,8 @@ AssemblyWriter::AssemblyWriter(formatted_raw_ostream &o, SlotTracker &Mac, AssemblyWriter::AssemblyWriter(formatted_raw_ostream &o, const Module *M, AssemblyAnnotationWriter *AAW, bool ShouldPreserveUseListOrder) - : Out(o), TheModule(M), ModuleSlotTracker(createSlotTracker(M)), - Machine(*ModuleSlotTracker), AnnotationWriter(AAW), + : Out(o), TheModule(M), SlotTrackerStorage(createSlotTracker(M)), + Machine(*SlotTrackerStorage), AnnotationWriter(AAW), ShouldPreserveUseListOrder(ShouldPreserveUseListOrder) { init(); } @@ -3164,21 +3207,35 @@ static bool isReferencingMDNode(const Instruction &I) { } void Value::print(raw_ostream &ROS) const { + bool ShouldInitializeAllMetadata = false; + if (auto *I = dyn_cast<Instruction>(this)) + ShouldInitializeAllMetadata = isReferencingMDNode(*I); + else if (isa<Function>(this) || isa<MetadataAsValue>(this)) + ShouldInitializeAllMetadata = true; + + ModuleSlotTracker MST(getModuleFromVal(this), ShouldInitializeAllMetadata); + print(ROS, MST); +} + +void Value::print(raw_ostream &ROS, ModuleSlotTracker &MST) const { formatted_raw_ostream OS(ROS); + SlotTracker EmptySlotTable(static_cast<const Module *>(nullptr)); + SlotTracker &SlotTable = + MST.getMachine() ? *MST.getMachine() : EmptySlotTable; + auto incorporateFunction = [&](const Function *F) { + if (F) + MST.incorporateFunction(*F); + }; + if (const Instruction *I = dyn_cast<Instruction>(this)) { - const Function *F = I->getParent() ? I->getParent()->getParent() : nullptr; - SlotTracker SlotTable( - F, - /* ShouldInitializeAllMetadata */ isReferencingMDNode(*I)); + incorporateFunction(I->getParent() ? I->getParent()->getParent() : nullptr); AssemblyWriter W(OS, SlotTable, getModuleFromVal(I), nullptr); W.printInstruction(*I); } else if (const BasicBlock *BB = dyn_cast<BasicBlock>(this)) { - SlotTracker SlotTable(BB->getParent()); + incorporateFunction(BB->getParent()); AssemblyWriter W(OS, SlotTable, getModuleFromVal(BB), nullptr); W.printBasicBlock(BB); } else if (const GlobalValue *GV = dyn_cast<GlobalValue>(this)) { - SlotTracker SlotTable(GV->getParent(), - /* ShouldInitializeAllMetadata */ isa<Function>(GV)); AssemblyWriter W(OS, SlotTable, GV->getParent(), nullptr); if (const GlobalVariable *V = dyn_cast<GlobalVariable>(GV)) W.printGlobal(V); @@ -3187,69 +3244,108 @@ void Value::print(raw_ostream &ROS) const { else W.printAlias(cast<GlobalAlias>(GV)); } else if (const MetadataAsValue *V = dyn_cast<MetadataAsValue>(this)) { - V->getMetadata()->print(ROS, getModuleFromVal(V)); + V->getMetadata()->print(ROS, MST, getModuleFromVal(V)); } else if (const Constant *C = dyn_cast<Constant>(this)) { TypePrinting TypePrinter; TypePrinter.print(C->getType(), OS); OS << ' '; - WriteConstantInternal(OS, C, TypePrinter, nullptr, nullptr); + WriteConstantInternal(OS, C, TypePrinter, MST.getMachine(), nullptr); } else if (isa<InlineAsm>(this) || isa<Argument>(this)) { - this->printAsOperand(OS); + this->printAsOperand(OS, /* PrintType */ true, MST); } else { llvm_unreachable("Unknown value to print out!"); } } -void Value::printAsOperand(raw_ostream &O, bool PrintType, const Module *M) const { - // Fast path: Don't construct and populate a TypePrinting object if we - // won't be needing any types printed. - bool IsMetadata = isa<MetadataAsValue>(this); - if (!PrintType && ((!isa<Constant>(this) && !IsMetadata) || hasName() || - isa<GlobalValue>(this))) { - WriteAsOperandInternal(O, this, nullptr, nullptr, M); - return; +/// Print without a type, skipping the TypePrinting object. +/// +/// \return \c true iff printing was succesful. +static bool printWithoutType(const Value &V, raw_ostream &O, + SlotTracker *Machine, const Module *M) { + if (V.hasName() || isa<GlobalValue>(V) || + (!isa<Constant>(V) && !isa<MetadataAsValue>(V))) { + WriteAsOperandInternal(O, &V, nullptr, Machine, M); + return true; } + return false; +} - if (!M) - M = getModuleFromVal(this); - +static void printAsOperandImpl(const Value &V, raw_ostream &O, bool PrintType, + ModuleSlotTracker &MST) { TypePrinting TypePrinter; - if (M) + if (const Module *M = MST.getModule()) TypePrinter.incorporateTypes(*M); if (PrintType) { - TypePrinter.print(getType(), O); + TypePrinter.print(V.getType(), O); O << ' '; } - SlotTracker Machine(M, /* ShouldInitializeAllMetadata */ IsMetadata); - WriteAsOperandInternal(O, this, &TypePrinter, &Machine, M); + WriteAsOperandInternal(O, &V, &TypePrinter, MST.getMachine(), + MST.getModule()); +} + +void Value::printAsOperand(raw_ostream &O, bool PrintType, + const Module *M) const { + if (!M) + M = getModuleFromVal(this); + + if (!PrintType) + if (printWithoutType(*this, O, nullptr, M)) + return; + + SlotTracker Machine( + M, /* ShouldInitializeAllMetadata */ isa<MetadataAsValue>(this)); + ModuleSlotTracker MST(Machine, M); + printAsOperandImpl(*this, O, PrintType, MST); +} + +void Value::printAsOperand(raw_ostream &O, bool PrintType, + ModuleSlotTracker &MST) const { + if (!PrintType) + if (printWithoutType(*this, O, MST.getMachine(), MST.getModule())) + return; + + printAsOperandImpl(*this, O, PrintType, MST); } static void printMetadataImpl(raw_ostream &ROS, const Metadata &MD, - const Module *M, bool OnlyAsOperand) { + ModuleSlotTracker &MST, const Module *M, + bool OnlyAsOperand) { formatted_raw_ostream OS(ROS); - auto *N = dyn_cast<MDNode>(&MD); TypePrinting TypePrinter; - SlotTracker Machine(M, /* ShouldInitializeAllMetadata */ N); if (M) TypePrinter.incorporateTypes(*M); - WriteAsOperandInternal(OS, &MD, &TypePrinter, &Machine, M, + WriteAsOperandInternal(OS, &MD, &TypePrinter, MST.getMachine(), M, /* FromValue */ true); + + auto *N = dyn_cast<MDNode>(&MD); if (OnlyAsOperand || !N) return; OS << " = "; - WriteMDNodeBodyInternal(OS, N, &TypePrinter, &Machine, M); + WriteMDNodeBodyInternal(OS, N, &TypePrinter, MST.getMachine(), M); } void Metadata::printAsOperand(raw_ostream &OS, const Module *M) const { - printMetadataImpl(OS, *this, M, /* OnlyAsOperand */ true); + ModuleSlotTracker MST(M, isa<MDNode>(this)); + printMetadataImpl(OS, *this, MST, M, /* OnlyAsOperand */ true); +} + +void Metadata::printAsOperand(raw_ostream &OS, ModuleSlotTracker &MST, + const Module *M) const { + printMetadataImpl(OS, *this, MST, M, /* OnlyAsOperand */ true); } void Metadata::print(raw_ostream &OS, const Module *M) const { - printMetadataImpl(OS, *this, M, /* OnlyAsOperand */ false); + ModuleSlotTracker MST(M, isa<MDNode>(this)); + printMetadataImpl(OS, *this, MST, M, /* OnlyAsOperand */ false); +} + +void Metadata::print(raw_ostream &OS, ModuleSlotTracker &MST, + const Module *M) const { + printMetadataImpl(OS, *this, MST, M, /* OnlyAsOperand */ false); } // Value::dump - allow easy printing of Values from the debugger. |