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Diffstat (limited to 'lib/VMCore/AsmWriter.cpp')
| -rw-r--r-- | lib/VMCore/AsmWriter.cpp | 2160 |
1 files changed, 0 insertions, 2160 deletions
diff --git a/lib/VMCore/AsmWriter.cpp b/lib/VMCore/AsmWriter.cpp deleted file mode 100644 index b72c17f..0000000 --- a/lib/VMCore/AsmWriter.cpp +++ /dev/null @@ -1,2160 +0,0 @@ -//===-- AsmWriter.cpp - Printing LLVM as an assembly file -----------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This library implements the functionality defined in llvm/Assembly/Writer.h -// -// Note that these routines must be extremely tolerant of various errors in the -// LLVM code, because it can be used for debugging transformations. -// -//===----------------------------------------------------------------------===// - -#include "llvm/Assembly/Writer.h" -#include "llvm/Assembly/PrintModulePass.h" -#include "llvm/Assembly/AssemblyAnnotationWriter.h" -#include "llvm/LLVMContext.h" -#include "llvm/CallingConv.h" -#include "llvm/Constants.h" -#include "llvm/DebugInfo.h" -#include "llvm/DerivedTypes.h" -#include "llvm/InlineAsm.h" -#include "llvm/IntrinsicInst.h" -#include "llvm/Operator.h" -#include "llvm/Module.h" -#include "llvm/TypeFinder.h" -#include "llvm/ValueSymbolTable.h" -#include "llvm/ADT/DenseMap.h" -#include "llvm/ADT/SmallString.h" -#include "llvm/ADT/StringExtras.h" -#include "llvm/ADT/STLExtras.h" -#include "llvm/Support/CFG.h" -#include "llvm/Support/Debug.h" -#include "llvm/Support/Dwarf.h" -#include "llvm/Support/ErrorHandling.h" -#include "llvm/Support/MathExtras.h" -#include "llvm/Support/FormattedStream.h" -#include <algorithm> -#include <cctype> -using namespace llvm; - -// Make virtual table appear in this compilation unit. -AssemblyAnnotationWriter::~AssemblyAnnotationWriter() {} - -//===----------------------------------------------------------------------===// -// Helper Functions -//===----------------------------------------------------------------------===// - -static const Module *getModuleFromVal(const Value *V) { - if (const Argument *MA = dyn_cast<Argument>(V)) - return MA->getParent() ? MA->getParent()->getParent() : 0; - - if (const BasicBlock *BB = dyn_cast<BasicBlock>(V)) - return BB->getParent() ? BB->getParent()->getParent() : 0; - - if (const Instruction *I = dyn_cast<Instruction>(V)) { - const Function *M = I->getParent() ? I->getParent()->getParent() : 0; - return M ? M->getParent() : 0; - } - - if (const GlobalValue *GV = dyn_cast<GlobalValue>(V)) - return GV->getParent(); - return 0; -} - -static void PrintCallingConv(unsigned cc, raw_ostream &Out) -{ - switch (cc) { - case CallingConv::Fast: Out << "fastcc"; break; - case CallingConv::Cold: Out << "coldcc"; break; - case CallingConv::X86_StdCall: Out << "x86_stdcallcc"; break; - case CallingConv::X86_FastCall: Out << "x86_fastcallcc"; break; - case CallingConv::X86_ThisCall: Out << "x86_thiscallcc"; break; - case CallingConv::Intel_OCL_BI: Out << "intel_ocl_bicc"; break; - case CallingConv::ARM_APCS: Out << "arm_apcscc"; break; - case CallingConv::ARM_AAPCS: Out << "arm_aapcscc"; break; - case CallingConv::ARM_AAPCS_VFP:Out << "arm_aapcs_vfpcc"; break; - case CallingConv::MSP430_INTR: Out << "msp430_intrcc"; break; - case CallingConv::PTX_Kernel: Out << "ptx_kernel"; break; - case CallingConv::PTX_Device: Out << "ptx_device"; break; - default: Out << "cc" << cc; break; - } -} - -// PrintEscapedString - Print each character of the specified string, escaping -// it if it is not printable or if it is an escape char. -static void PrintEscapedString(StringRef Name, raw_ostream &Out) { - for (unsigned i = 0, e = Name.size(); i != e; ++i) { - unsigned char C = Name[i]; - if (isprint(C) && C != '\\' && C != '"') - Out << C; - else - Out << '\\' << hexdigit(C >> 4) << hexdigit(C & 0x0F); - } -} - -enum PrefixType { - GlobalPrefix, - LabelPrefix, - LocalPrefix, - NoPrefix -}; - -/// PrintLLVMName - Turn the specified name into an 'LLVM name', which is either -/// prefixed with % (if the string only contains simple characters) or is -/// surrounded with ""'s (if it has special chars in it). Print it out. -static void PrintLLVMName(raw_ostream &OS, StringRef Name, PrefixType Prefix) { - assert(!Name.empty() && "Cannot get empty name!"); - switch (Prefix) { - case NoPrefix: break; - case GlobalPrefix: OS << '@'; break; - case LabelPrefix: break; - case LocalPrefix: OS << '%'; break; - } - - // Scan the name to see if it needs quotes first. - bool NeedsQuotes = isdigit(Name[0]); - if (!NeedsQuotes) { - for (unsigned i = 0, e = Name.size(); i != e; ++i) { - // By making this unsigned, the value passed in to isalnum will always be - // in the range 0-255. This is important when building with MSVC because - // its implementation will assert. This situation can arise when dealing - // with UTF-8 multibyte characters. - unsigned char C = Name[i]; - if (!isalnum(C) && C != '-' && C != '.' && C != '_') { - NeedsQuotes = true; - break; - } - } - } - - // If we didn't need any quotes, just write out the name in one blast. - if (!NeedsQuotes) { - OS << Name; - return; - } - - // Okay, we need quotes. Output the quotes and escape any scary characters as - // needed. - OS << '"'; - PrintEscapedString(Name, OS); - OS << '"'; -} - -/// PrintLLVMName - Turn the specified name into an 'LLVM name', which is either -/// prefixed with % (if the string only contains simple characters) or is -/// surrounded with ""'s (if it has special chars in it). Print it out. -static void PrintLLVMName(raw_ostream &OS, const Value *V) { - PrintLLVMName(OS, V->getName(), - isa<GlobalValue>(V) ? GlobalPrefix : LocalPrefix); -} - -//===----------------------------------------------------------------------===// -// TypePrinting Class: Type printing machinery -//===----------------------------------------------------------------------===// - -/// TypePrinting - Type printing machinery. -namespace { -class TypePrinting { - TypePrinting(const TypePrinting &) LLVM_DELETED_FUNCTION; - void operator=(const TypePrinting&) LLVM_DELETED_FUNCTION; -public: - - /// NamedTypes - The named types that are used by the current module. - TypeFinder NamedTypes; - - /// NumberedTypes - The numbered types, along with their value. - DenseMap<StructType*, unsigned> NumberedTypes; - - - TypePrinting() {} - ~TypePrinting() {} - - void incorporateTypes(const Module &M); - - void print(Type *Ty, raw_ostream &OS); - - void printStructBody(StructType *Ty, raw_ostream &OS); -}; -} // end anonymous namespace. - - -void TypePrinting::incorporateTypes(const Module &M) { - NamedTypes.run(M, false); - - // The list of struct types we got back includes all the struct types, split - // the unnamed ones out to a numbering and remove the anonymous structs. - unsigned NextNumber = 0; - - std::vector<StructType*>::iterator NextToUse = NamedTypes.begin(), I, E; - for (I = NamedTypes.begin(), E = NamedTypes.end(); I != E; ++I) { - StructType *STy = *I; - - // Ignore anonymous types. - if (STy->isLiteral()) - continue; - - if (STy->getName().empty()) - NumberedTypes[STy] = NextNumber++; - else - *NextToUse++ = STy; - } - - NamedTypes.erase(NextToUse, NamedTypes.end()); -} - - -/// CalcTypeName - Write the specified type to the specified raw_ostream, making -/// use of type names or up references to shorten the type name where possible. -void TypePrinting::print(Type *Ty, raw_ostream &OS) { - switch (Ty->getTypeID()) { - case Type::VoidTyID: OS << "void"; break; - case Type::HalfTyID: OS << "half"; break; - case Type::FloatTyID: OS << "float"; break; - case Type::DoubleTyID: OS << "double"; break; - case Type::X86_FP80TyID: OS << "x86_fp80"; break; - case Type::FP128TyID: OS << "fp128"; break; - case Type::PPC_FP128TyID: OS << "ppc_fp128"; break; - case Type::LabelTyID: OS << "label"; break; - case Type::MetadataTyID: OS << "metadata"; break; - case Type::X86_MMXTyID: OS << "x86_mmx"; break; - case Type::IntegerTyID: - OS << 'i' << cast<IntegerType>(Ty)->getBitWidth(); - return; - - case Type::FunctionTyID: { - FunctionType *FTy = cast<FunctionType>(Ty); - print(FTy->getReturnType(), OS); - OS << " ("; - for (FunctionType::param_iterator I = FTy->param_begin(), - E = FTy->param_end(); I != E; ++I) { - if (I != FTy->param_begin()) - OS << ", "; - print(*I, OS); - } - if (FTy->isVarArg()) { - if (FTy->getNumParams()) OS << ", "; - OS << "..."; - } - OS << ')'; - return; - } - case Type::StructTyID: { - StructType *STy = cast<StructType>(Ty); - - if (STy->isLiteral()) - return printStructBody(STy, OS); - - if (!STy->getName().empty()) - return PrintLLVMName(OS, STy->getName(), LocalPrefix); - - DenseMap<StructType*, unsigned>::iterator I = NumberedTypes.find(STy); - if (I != NumberedTypes.end()) - OS << '%' << I->second; - else // Not enumerated, print the hex address. - OS << "%\"type " << STy << '\"'; - return; - } - case Type::PointerTyID: { - PointerType *PTy = cast<PointerType>(Ty); - print(PTy->getElementType(), OS); - if (unsigned AddressSpace = PTy->getAddressSpace()) - OS << " addrspace(" << AddressSpace << ')'; - OS << '*'; - return; - } - case Type::ArrayTyID: { - ArrayType *ATy = cast<ArrayType>(Ty); - OS << '[' << ATy->getNumElements() << " x "; - print(ATy->getElementType(), OS); - OS << ']'; - return; - } - case Type::VectorTyID: { - VectorType *PTy = cast<VectorType>(Ty); - OS << "<" << PTy->getNumElements() << " x "; - print(PTy->getElementType(), OS); - OS << '>'; - return; - } - default: - OS << "<unrecognized-type>"; - return; - } -} - -void TypePrinting::printStructBody(StructType *STy, raw_ostream &OS) { - if (STy->isOpaque()) { - OS << "opaque"; - return; - } - - if (STy->isPacked()) - OS << '<'; - - if (STy->getNumElements() == 0) { - OS << "{}"; - } else { - StructType::element_iterator I = STy->element_begin(); - OS << "{ "; - print(*I++, OS); - for (StructType::element_iterator E = STy->element_end(); I != E; ++I) { - OS << ", "; - print(*I, OS); - } - - OS << " }"; - } - if (STy->isPacked()) - OS << '>'; -} - - - -//===----------------------------------------------------------------------===// -// SlotTracker Class: Enumerate slot numbers for unnamed values -//===----------------------------------------------------------------------===// - -namespace { - -/// This class provides computation of slot numbers for LLVM Assembly writing. -/// -class SlotTracker { -public: - /// ValueMap - A mapping of Values to slot numbers. - typedef DenseMap<const Value*, unsigned> ValueMap; - -private: - /// TheModule - The module for which we are holding slot numbers. - const Module* TheModule; - - /// TheFunction - The function for which we are holding slot numbers. - const Function* TheFunction; - bool FunctionProcessed; - - /// mMap - The slot map for the module level data. - ValueMap mMap; - unsigned mNext; - - /// fMap - The slot map for the function level data. - ValueMap fMap; - unsigned fNext; - - /// mdnMap - Map for MDNodes. - DenseMap<const MDNode*, unsigned> mdnMap; - unsigned mdnNext; -public: - /// Construct from a module - explicit SlotTracker(const Module *M); - /// Construct from a function, starting out in incorp state. - explicit SlotTracker(const Function *F); - - /// Return the slot number of the specified value in it's type - /// plane. If something is not in the SlotTracker, return -1. - int getLocalSlot(const Value *V); - int getGlobalSlot(const GlobalValue *V); - int getMetadataSlot(const MDNode *N); - - /// If you'd like to deal with a function instead of just a module, use - /// this method to get its data into the SlotTracker. - void incorporateFunction(const Function *F) { - TheFunction = F; - FunctionProcessed = false; - } - - /// After calling incorporateFunction, use this method to remove the - /// most recently incorporated function from the SlotTracker. This - /// will reset the state of the machine back to just the module contents. - void purgeFunction(); - - /// MDNode map iterators. - typedef DenseMap<const MDNode*, unsigned>::iterator mdn_iterator; - mdn_iterator mdn_begin() { return mdnMap.begin(); } - mdn_iterator mdn_end() { return mdnMap.end(); } - unsigned mdn_size() const { return mdnMap.size(); } - bool mdn_empty() const { return mdnMap.empty(); } - - /// This function does the actual initialization. - inline void initialize(); - - // Implementation Details -private: - /// CreateModuleSlot - Insert the specified GlobalValue* into the slot table. - void CreateModuleSlot(const GlobalValue *V); - - /// CreateMetadataSlot - Insert the specified MDNode* into the slot table. - void CreateMetadataSlot(const MDNode *N); - - /// CreateFunctionSlot - Insert the specified Value* into the slot table. - void CreateFunctionSlot(const Value *V); - - /// Add all of the module level global variables (and their initializers) - /// and function declarations, but not the contents of those functions. - void processModule(); - - /// Add all of the functions arguments, basic blocks, and instructions. - void processFunction(); - - SlotTracker(const SlotTracker &) LLVM_DELETED_FUNCTION; - void operator=(const SlotTracker &) LLVM_DELETED_FUNCTION; -}; - -} // end anonymous namespace - - -static SlotTracker *createSlotTracker(const Value *V) { - if (const Argument *FA = dyn_cast<Argument>(V)) - return new SlotTracker(FA->getParent()); - - if (const Instruction *I = dyn_cast<Instruction>(V)) - if (I->getParent()) - return new SlotTracker(I->getParent()->getParent()); - - if (const BasicBlock *BB = dyn_cast<BasicBlock>(V)) - return new SlotTracker(BB->getParent()); - - if (const GlobalVariable *GV = dyn_cast<GlobalVariable>(V)) - return new SlotTracker(GV->getParent()); - - if (const GlobalAlias *GA = dyn_cast<GlobalAlias>(V)) - return new SlotTracker(GA->getParent()); - - if (const Function *Func = dyn_cast<Function>(V)) - return new SlotTracker(Func); - - if (const MDNode *MD = dyn_cast<MDNode>(V)) { - if (!MD->isFunctionLocal()) - return new SlotTracker(MD->getFunction()); - - return new SlotTracker((Function *)0); - } - - return 0; -} - -#if 0 -#define ST_DEBUG(X) dbgs() << X -#else -#define ST_DEBUG(X) -#endif - -// Module level constructor. Causes the contents of the Module (sans functions) -// to be added to the slot table. -SlotTracker::SlotTracker(const Module *M) - : TheModule(M), TheFunction(0), FunctionProcessed(false), - mNext(0), fNext(0), mdnNext(0) { -} - -// Function level constructor. Causes the contents of the Module and the one -// function provided to be added to the slot table. -SlotTracker::SlotTracker(const Function *F) - : TheModule(F ? F->getParent() : 0), TheFunction(F), FunctionProcessed(false), - mNext(0), fNext(0), mdnNext(0) { -} - -inline void SlotTracker::initialize() { - if (TheModule) { - processModule(); - TheModule = 0; ///< Prevent re-processing next time we're called. - } - - if (TheFunction && !FunctionProcessed) - processFunction(); -} - -// Iterate through all the global variables, functions, and global -// variable initializers and create slots for them. -void SlotTracker::processModule() { - ST_DEBUG("begin processModule!\n"); - - // Add all of the unnamed global variables to the value table. - for (Module::const_global_iterator I = TheModule->global_begin(), - E = TheModule->global_end(); I != E; ++I) { - if (!I->hasName()) - CreateModuleSlot(I); - } - - // Add metadata used by named metadata. - for (Module::const_named_metadata_iterator - I = TheModule->named_metadata_begin(), - E = TheModule->named_metadata_end(); I != E; ++I) { - const NamedMDNode *NMD = I; - for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i) - CreateMetadataSlot(NMD->getOperand(i)); - } - - // Add all the unnamed functions to the table. - for (Module::const_iterator I = TheModule->begin(), E = TheModule->end(); - I != E; ++I) - if (!I->hasName()) - CreateModuleSlot(I); - - ST_DEBUG("end processModule!\n"); -} - -// Process the arguments, basic blocks, and instructions of a function. -void SlotTracker::processFunction() { - ST_DEBUG("begin processFunction!\n"); - fNext = 0; - - // Add all the function arguments with no names. - for(Function::const_arg_iterator AI = TheFunction->arg_begin(), - AE = TheFunction->arg_end(); AI != AE; ++AI) - if (!AI->hasName()) - CreateFunctionSlot(AI); - - ST_DEBUG("Inserting Instructions:\n"); - - SmallVector<std::pair<unsigned, MDNode*>, 4> MDForInst; - - // Add all of the basic blocks and instructions with no names. - for (Function::const_iterator BB = TheFunction->begin(), - E = TheFunction->end(); BB != E; ++BB) { - if (!BB->hasName()) - CreateFunctionSlot(BB); - - for (BasicBlock::const_iterator I = BB->begin(), E = BB->end(); I != E; - ++I) { - if (!I->getType()->isVoidTy() && !I->hasName()) - CreateFunctionSlot(I); - - // Intrinsics can directly use metadata. We allow direct calls to any - // llvm.foo function here, because the target may not be linked into the - // optimizer. - if (const CallInst *CI = dyn_cast<CallInst>(I)) { - if (Function *F = CI->getCalledFunction()) - if (F->getName().startswith("llvm.")) - for (unsigned i = 0, e = I->getNumOperands(); i != e; ++i) - if (MDNode *N = dyn_cast_or_null<MDNode>(I->getOperand(i))) - CreateMetadataSlot(N); - } - - // Process metadata attached with this instruction. - I->getAllMetadata(MDForInst); - for (unsigned i = 0, e = MDForInst.size(); i != e; ++i) - CreateMetadataSlot(MDForInst[i].second); - MDForInst.clear(); - } - } - - FunctionProcessed = true; - - ST_DEBUG("end processFunction!\n"); -} - -/// Clean up after incorporating a function. This is the only way to get out of -/// the function incorporation state that affects get*Slot/Create*Slot. Function -/// incorporation state is indicated by TheFunction != 0. -void SlotTracker::purgeFunction() { - ST_DEBUG("begin purgeFunction!\n"); - fMap.clear(); // Simply discard the function level map - TheFunction = 0; - FunctionProcessed = false; - ST_DEBUG("end purgeFunction!\n"); -} - -/// getGlobalSlot - Get the slot number of a global value. -int SlotTracker::getGlobalSlot(const GlobalValue *V) { - // Check for uninitialized state and do lazy initialization. - initialize(); - - // Find the value in the module map - ValueMap::iterator MI = mMap.find(V); - return MI == mMap.end() ? -1 : (int)MI->second; -} - -/// getMetadataSlot - Get the slot number of a MDNode. -int SlotTracker::getMetadataSlot(const MDNode *N) { - // Check for uninitialized state and do lazy initialization. - initialize(); - - // Find the MDNode in the module map - mdn_iterator MI = mdnMap.find(N); - return MI == mdnMap.end() ? -1 : (int)MI->second; -} - - -/// getLocalSlot - Get the slot number for a value that is local to a function. -int SlotTracker::getLocalSlot(const Value *V) { - assert(!isa<Constant>(V) && "Can't get a constant or global slot with this!"); - - // Check for uninitialized state and do lazy initialization. - initialize(); - - ValueMap::iterator FI = fMap.find(V); - return FI == fMap.end() ? -1 : (int)FI->second; -} - - -/// CreateModuleSlot - Insert the specified GlobalValue* into the slot table. -void SlotTracker::CreateModuleSlot(const GlobalValue *V) { - assert(V && "Can't insert a null Value into SlotTracker!"); - assert(!V->getType()->isVoidTy() && "Doesn't need a slot!"); - assert(!V->hasName() && "Doesn't need a slot!"); - - unsigned DestSlot = mNext++; - mMap[V] = DestSlot; - - ST_DEBUG(" Inserting value [" << V->getType() << "] = " << V << " slot=" << - DestSlot << " ["); - // G = Global, F = Function, A = Alias, o = other - ST_DEBUG((isa<GlobalVariable>(V) ? 'G' : - (isa<Function>(V) ? 'F' : - (isa<GlobalAlias>(V) ? 'A' : 'o'))) << "]\n"); -} - -/// CreateSlot - Create a new slot for the specified value if it has no name. -void SlotTracker::CreateFunctionSlot(const Value *V) { - assert(!V->getType()->isVoidTy() && !V->hasName() && "Doesn't need a slot!"); - - unsigned DestSlot = fNext++; - fMap[V] = DestSlot; - - // G = Global, F = Function, o = other - ST_DEBUG(" Inserting value [" << V->getType() << "] = " << V << " slot=" << - DestSlot << " [o]\n"); -} - -/// CreateModuleSlot - Insert the specified MDNode* into the slot table. -void SlotTracker::CreateMetadataSlot(const MDNode *N) { - assert(N && "Can't insert a null Value into SlotTracker!"); - - // Don't insert if N is a function-local metadata, these are always printed - // inline. - if (!N->isFunctionLocal()) { - mdn_iterator I = mdnMap.find(N); - if (I != mdnMap.end()) - return; - - unsigned DestSlot = mdnNext++; - mdnMap[N] = DestSlot; - } - - // Recursively add any MDNodes referenced by operands. - for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) - if (const MDNode *Op = dyn_cast_or_null<MDNode>(N->getOperand(i))) - CreateMetadataSlot(Op); -} - -//===----------------------------------------------------------------------===// -// AsmWriter Implementation -//===----------------------------------------------------------------------===// - -static void WriteAsOperandInternal(raw_ostream &Out, const Value *V, - TypePrinting *TypePrinter, - SlotTracker *Machine, - const Module *Context); - - - -static const char *getPredicateText(unsigned predicate) { - const char * pred = "unknown"; - switch (predicate) { - case FCmpInst::FCMP_FALSE: pred = "false"; break; - case FCmpInst::FCMP_OEQ: pred = "oeq"; break; - case FCmpInst::FCMP_OGT: pred = "ogt"; break; - case FCmpInst::FCMP_OGE: pred = "oge"; break; - case FCmpInst::FCMP_OLT: pred = "olt"; break; - case FCmpInst::FCMP_OLE: pred = "ole"; break; - case FCmpInst::FCMP_ONE: pred = "one"; break; - case FCmpInst::FCMP_ORD: pred = "ord"; break; - case FCmpInst::FCMP_UNO: pred = "uno"; break; - case FCmpInst::FCMP_UEQ: pred = "ueq"; break; - case FCmpInst::FCMP_UGT: pred = "ugt"; break; - case FCmpInst::FCMP_UGE: pred = "uge"; break; - case FCmpInst::FCMP_ULT: pred = "ult"; break; - case FCmpInst::FCMP_ULE: pred = "ule"; break; - case FCmpInst::FCMP_UNE: pred = "une"; break; - case FCmpInst::FCMP_TRUE: pred = "true"; break; - case ICmpInst::ICMP_EQ: pred = "eq"; break; - case ICmpInst::ICMP_NE: pred = "ne"; break; - case ICmpInst::ICMP_SGT: pred = "sgt"; break; - case ICmpInst::ICMP_SGE: pred = "sge"; break; - case ICmpInst::ICMP_SLT: pred = "slt"; break; - case ICmpInst::ICMP_SLE: pred = "sle"; break; - case ICmpInst::ICMP_UGT: pred = "ugt"; break; - case ICmpInst::ICMP_UGE: pred = "uge"; break; - case ICmpInst::ICMP_ULT: pred = "ult"; break; - case ICmpInst::ICMP_ULE: pred = "ule"; break; - } - return pred; -} - -static void writeAtomicRMWOperation(raw_ostream &Out, - AtomicRMWInst::BinOp Op) { - switch (Op) { - default: Out << " <unknown operation " << Op << ">"; break; - case AtomicRMWInst::Xchg: Out << " xchg"; break; - case AtomicRMWInst::Add: Out << " add"; break; - case AtomicRMWInst::Sub: Out << " sub"; break; - case AtomicRMWInst::And: Out << " and"; break; - case AtomicRMWInst::Nand: Out << " nand"; break; - case AtomicRMWInst::Or: Out << " or"; break; - case AtomicRMWInst::Xor: Out << " xor"; break; - case AtomicRMWInst::Max: Out << " max"; break; - case AtomicRMWInst::Min: Out << " min"; break; - case AtomicRMWInst::UMax: Out << " umax"; break; - case AtomicRMWInst::UMin: Out << " umin"; break; - } -} - -static void WriteOptimizationInfo(raw_ostream &Out, const User *U) { - if (const OverflowingBinaryOperator *OBO = - dyn_cast<OverflowingBinaryOperator>(U)) { - if (OBO->hasNoUnsignedWrap()) - Out << " nuw"; - if (OBO->hasNoSignedWrap()) - Out << " nsw"; - } else if (const PossiblyExactOperator *Div = - dyn_cast<PossiblyExactOperator>(U)) { - if (Div->isExact()) - Out << " exact"; - } else if (const GEPOperator *GEP = dyn_cast<GEPOperator>(U)) { - if (GEP->isInBounds()) - Out << " inbounds"; - } -} - -static void WriteConstantInternal(raw_ostream &Out, const Constant *CV, - TypePrinting &TypePrinter, - SlotTracker *Machine, - const Module *Context) { - if (const ConstantInt *CI = dyn_cast<ConstantInt>(CV)) { - if (CI->getType()->isIntegerTy(1)) { - Out << (CI->getZExtValue() ? "true" : "false"); - return; - } - Out << CI->getValue(); - return; - } - - if (const ConstantFP *CFP = dyn_cast<ConstantFP>(CV)) { - if (&CFP->getValueAPF().getSemantics() == &APFloat::IEEEsingle || - &CFP->getValueAPF().getSemantics() == &APFloat::IEEEdouble) { - // We would like to output the FP constant value in exponential notation, - // but we cannot do this if doing so will lose precision. Check here to - // make sure that we only output it in exponential format if we can parse - // the value back and get the same value. - // - bool ignored; - bool isHalf = &CFP->getValueAPF().getSemantics()==&APFloat::IEEEhalf; - bool isDouble = &CFP->getValueAPF().getSemantics()==&APFloat::IEEEdouble; - bool isInf = CFP->getValueAPF().isInfinity(); - bool isNaN = CFP->getValueAPF().isNaN(); - if (!isHalf && !isInf && !isNaN) { - double Val = isDouble ? CFP->getValueAPF().convertToDouble() : - CFP->getValueAPF().convertToFloat(); - SmallString<128> StrVal; - raw_svector_ostream(StrVal) << Val; - - // Check to make sure that the stringized number is not some string like - // "Inf" or NaN, that atof will accept, but the lexer will not. Check - // that the string matches the "[-+]?[0-9]" regex. - // - if ((StrVal[0] >= '0' && StrVal[0] <= '9') || - ((StrVal[0] == '-' || StrVal[0] == '+') && - (StrVal[1] >= '0' && StrVal[1] <= '9'))) { - // Reparse stringized version! - if (APFloat(APFloat::IEEEdouble, StrVal).convertToDouble() == Val) { - Out << StrVal.str(); - return; - } - } - } - // Otherwise we could not reparse it to exactly the same value, so we must - // output the string in hexadecimal format! Note that loading and storing - // floating point types changes the bits of NaNs on some hosts, notably - // x86, so we must not use these types. - assert(sizeof(double) == sizeof(uint64_t) && - "assuming that double is 64 bits!"); - char Buffer[40]; - APFloat apf = CFP->getValueAPF(); - // Halves and floats are represented in ASCII IR as double, convert. - if (!isDouble) - apf.convert(APFloat::IEEEdouble, APFloat::rmNearestTiesToEven, - &ignored); - Out << "0x" << - utohex_buffer(uint64_t(apf.bitcastToAPInt().getZExtValue()), - Buffer+40); - return; - } - - // Either half, or some form of long double. - // These appear as a magic letter identifying the type, then a - // fixed number of hex digits. - Out << "0x"; - // Bit position, in the current word, of the next nibble to print. - int shiftcount; - - if (&CFP->getValueAPF().getSemantics() == &APFloat::x87DoubleExtended) { - Out << 'K'; - // api needed to prevent premature destruction - APInt api = CFP->getValueAPF().bitcastToAPInt(); - const uint64_t* p = api.getRawData(); - uint64_t word = p[1]; - shiftcount = 12; - int width = api.getBitWidth(); - for (int j=0; j<width; j+=4, shiftcount-=4) { - unsigned int nibble = (word>>shiftcount) & 15; - if (nibble < 10) - Out << (unsigned char)(nibble + '0'); - else - Out << (unsigned char)(nibble - 10 + 'A'); - if (shiftcount == 0 && j+4 < width) { - word = *p; - shiftcount = 64; - if (width-j-4 < 64) - shiftcount = width-j-4; - } - } - return; - } else if (&CFP->getValueAPF().getSemantics() == &APFloat::IEEEquad) { - shiftcount = 60; - Out << 'L'; - } else if (&CFP->getValueAPF().getSemantics() == &APFloat::PPCDoubleDouble) { - shiftcount = 60; - Out << 'M'; - } else if (&CFP->getValueAPF().getSemantics() == &APFloat::IEEEhalf) { - shiftcount = 12; - Out << 'H'; - } else - llvm_unreachable("Unsupported floating point type"); - // api needed to prevent premature destruction - APInt api = CFP->getValueAPF().bitcastToAPInt(); - const uint64_t* p = api.getRawData(); - uint64_t word = *p; - int width = api.getBitWidth(); - for (int j=0; j<width; j+=4, shiftcount-=4) { - unsigned int nibble = (word>>shiftcount) & 15; - if (nibble < 10) - Out << (unsigned char)(nibble + '0'); - else - Out << (unsigned char)(nibble - 10 + 'A'); - if (shiftcount == 0 && j+4 < width) { - word = *(++p); - shiftcount = 64; - if (width-j-4 < 64) - shiftcount = width-j-4; - } - } - return; - } - - if (isa<ConstantAggregateZero>(CV)) { - Out << "zeroinitializer"; - return; - } - - if (const BlockAddress *BA = dyn_cast<BlockAddress>(CV)) { - Out << "blockaddress("; - WriteAsOperandInternal(Out, BA->getFunction(), &TypePrinter, Machine, - Context); - Out << ", "; - WriteAsOperandInternal(Out, BA->getBasicBlock(), &TypePrinter, Machine, - Context); - Out << ")"; - return; - } - - if (const ConstantArray *CA = dyn_cast<ConstantArray>(CV)) { - Type *ETy = CA->getType()->getElementType(); - Out << '['; - TypePrinter.print(ETy, Out); - Out << ' '; - WriteAsOperandInternal(Out, CA->getOperand(0), - &TypePrinter, Machine, - Context); - for (unsigned i = 1, e = CA->getNumOperands(); i != e; ++i) { - Out << ", "; - TypePrinter.print(ETy, Out); - Out << ' '; - WriteAsOperandInternal(Out, CA->getOperand(i), &TypePrinter, Machine, - Context); - } - Out << ']'; - return; - } - - if (const ConstantDataArray *CA = dyn_cast<ConstantDataArray>(CV)) { - // As a special case, print the array as a string if it is an array of - // i8 with ConstantInt values. - if (CA->isString()) { - Out << "c\""; - PrintEscapedString(CA->getAsString(), Out); - Out << '"'; - return; - } - - Type *ETy = CA->getType()->getElementType(); - Out << '['; - TypePrinter.print(ETy, Out); - Out << ' '; - WriteAsOperandInternal(Out, CA->getElementAsConstant(0), - &TypePrinter, Machine, - Context); - for (unsigned i = 1, e = CA->getNumElements(); i != e; ++i) { - Out << ", "; - TypePrinter.print(ETy, Out); - Out << ' '; - WriteAsOperandInternal(Out, CA->getElementAsConstant(i), &TypePrinter, - Machine, Context); - } - Out << ']'; - return; - } - - - if (const ConstantStruct *CS = dyn_cast<ConstantStruct>(CV)) { - if (CS->getType()->isPacked()) - Out << '<'; - Out << '{'; - unsigned N = CS->getNumOperands(); - if (N) { - Out << ' '; - TypePrinter.print(CS->getOperand(0)->getType(), Out); - Out << ' '; - - WriteAsOperandInternal(Out, CS->getOperand(0), &TypePrinter, Machine, - Context); - - for (unsigned i = 1; i < N; i++) { - Out << ", "; - TypePrinter.print(CS->getOperand(i)->getType(), Out); - Out << ' '; - - WriteAsOperandInternal(Out, CS->getOperand(i), &TypePrinter, Machine, - Context); - } - Out << ' '; - } - - Out << '}'; - if (CS->getType()->isPacked()) - Out << '>'; - return; - } - - if (isa<ConstantVector>(CV) || isa<ConstantDataVector>(CV)) { - Type *ETy = CV->getType()->getVectorElementType(); - Out << '<'; - TypePrinter.print(ETy, Out); - Out << ' '; - WriteAsOperandInternal(Out, CV->getAggregateElement(0U), &TypePrinter, - Machine, Context); - for (unsigned i = 1, e = CV->getType()->getVectorNumElements(); i != e;++i){ - Out << ", "; - TypePrinter.print(ETy, Out); - Out << ' '; - WriteAsOperandInternal(Out, CV->getAggregateElement(i), &TypePrinter, - Machine, Context); - } - Out << '>'; - return; - } - - if (isa<ConstantPointerNull>(CV)) { - Out << "null"; - return; - } - - if (isa<UndefValue>(CV)) { - Out << "undef"; - return; - } - - if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(CV)) { - Out << CE->getOpcodeName(); - WriteOptimizationInfo(Out, CE); - if (CE->isCompare()) - Out << ' ' << getPredicateText(CE->getPredicate()); - Out << " ("; - - for (User::const_op_iterator OI=CE->op_begin(); OI != CE->op_end(); ++OI) { - TypePrinter.print((*OI)->getType(), Out); - Out << ' '; - WriteAsOperandInternal(Out, *OI, &TypePrinter, Machine, Context); - if (OI+1 != CE->op_end()) - Out << ", "; - } - - if (CE->hasIndices()) { - ArrayRef<unsigned> Indices = CE->getIndices(); - for (unsigned i = 0, e = Indices.size(); i != e; ++i) - Out << ", " << Indices[i]; - } - - if (CE->isCast()) { - Out << " to "; - TypePrinter.print(CE->getType(), Out); - } - - Out << ')'; - return; - } - - Out << "<placeholder or erroneous Constant>"; -} - -static void WriteMDNodeBodyInternal(raw_ostream &Out, const MDNode *Node, - TypePrinting *TypePrinter, - SlotTracker *Machine, - const Module *Context) { - Out << "!{"; - for (unsigned mi = 0, me = Node->getNumOperands(); mi != me; ++mi) { - const Value *V = Node->getOperand(mi); - if (V == 0) - Out << "null"; - else { - TypePrinter->print(V->getType(), Out); - Out << ' '; - WriteAsOperandInternal(Out, Node->getOperand(mi), - TypePrinter, Machine, Context); - } - if (mi + 1 != me) - Out << ", "; - } - - Out << "}"; -} - - -/// WriteAsOperand - Write the name of the specified value out to the specified -/// ostream. This can be useful when you just want to print int %reg126, not -/// the whole instruction that generated it. -/// -static void WriteAsOperandInternal(raw_ostream &Out, const Value *V, - TypePrinting *TypePrinter, - SlotTracker *Machine, - const Module *Context) { - if (V->hasName()) { - PrintLLVMName(Out, V); - return; - } - - const Constant *CV = dyn_cast<Constant>(V); - if (CV && !isa<GlobalValue>(CV)) { - assert(TypePrinter && "Constants require TypePrinting!"); - WriteConstantInternal(Out, CV, *TypePrinter, Machine, Context); - return; - } - - if (const InlineAsm *IA = dyn_cast<InlineAsm>(V)) { - Out << "asm "; - if (IA->hasSideEffects()) - Out << "sideeffect "; - if (IA->isAlignStack()) - Out << "alignstack "; - // We don't emit the AD_ATT dialect as it's the assumed default. - if (IA->getDialect() == InlineAsm::AD_Intel) - Out << "inteldialect "; - Out << '"'; - PrintEscapedString(IA->getAsmString(), Out); - Out << "\", \""; - PrintEscapedString(IA->getConstraintString(), Out); - Out << '"'; - return; - } - - if (const MDNode *N = dyn_cast<MDNode>(V)) { - if (N->isFunctionLocal()) { - // Print metadata inline, not via slot reference number. - WriteMDNodeBodyInternal(Out, N, TypePrinter, Machine, Context); - return; - } - - if (!Machine) { - if (N->isFunctionLocal()) - Machine = new SlotTracker(N->getFunction()); - else - Machine = new SlotTracker(Context); - } - int Slot = Machine->getMetadataSlot(N); - if (Slot == -1) - Out << "<badref>"; - else - Out << '!' << Slot; - return; - } - - if (const MDString *MDS = dyn_cast<MDString>(V)) { - Out << "!\""; - PrintEscapedString(MDS->getString(), Out); - Out << '"'; - return; - } - - if (V->getValueID() == Value::PseudoSourceValueVal || - V->getValueID() == Value::FixedStackPseudoSourceValueVal) { - V->print(Out); - return; - } - - char Prefix = '%'; - int Slot; - // If we have a SlotTracker, use it. - if (Machine) { - if (const GlobalValue *GV = dyn_cast<GlobalValue>(V)) { - Slot = Machine->getGlobalSlot(GV); - Prefix = '@'; - } else { - Slot = Machine->getLocalSlot(V); - - // If the local value didn't succeed, then we may be referring to a value - // from a different function. Translate it, as this can happen when using - // address of blocks. - if (Slot == -1) - if ((Machine = createSlotTracker(V))) { - Slot = Machine->getLocalSlot(V); - delete Machine; - } - } - } else if ((Machine = createSlotTracker(V))) { - // Otherwise, create one to get the # and then destroy it. - if (const GlobalValue *GV = dyn_cast<GlobalValue>(V)) { - Slot = Machine->getGlobalSlot(GV); - Prefix = '@'; - } else { - Slot = Machine->getLocalSlot(V); - } - delete Machine; - Machine = 0; - } else { - Slot = -1; - } - - if (Slot != -1) - Out << Prefix << Slot; - else - Out << "<badref>"; -} - -void llvm::WriteAsOperand(raw_ostream &Out, const Value *V, - bool PrintType, const Module *Context) { - - // Fast path: Don't construct and populate a TypePrinting object if we - // won't be needing any types printed. - if (!PrintType && - ((!isa<Constant>(V) && !isa<MDNode>(V)) || - V->hasName() || isa<GlobalValue>(V))) { - WriteAsOperandInternal(Out, V, 0, 0, Context); - return; - } - - if (Context == 0) Context = getModuleFromVal(V); - - TypePrinting TypePrinter; - if (Context) - TypePrinter.incorporateTypes(*Context); - if (PrintType) { - TypePrinter.print(V->getType(), Out); - Out << ' '; - } - - WriteAsOperandInternal(Out, V, &TypePrinter, 0, Context); -} - -namespace { - -class AssemblyWriter { - formatted_raw_ostream &Out; - SlotTracker &Machine; - const Module *TheModule; - TypePrinting TypePrinter; - AssemblyAnnotationWriter *AnnotationWriter; - -public: - inline AssemblyWriter(formatted_raw_ostream &o, SlotTracker &Mac, - const Module *M, - AssemblyAnnotationWriter *AAW) - : Out(o), Machine(Mac), TheModule(M), AnnotationWriter(AAW) { - if (M) - TypePrinter.incorporateTypes(*M); - } - - void printMDNodeBody(const MDNode *MD); - void printNamedMDNode(const NamedMDNode *NMD); - - void printModule(const Module *M); - - void writeOperand(const Value *Op, bool PrintType); - void writeParamOperand(const Value *Operand, Attributes Attrs); - void writeAtomic(AtomicOrdering Ordering, SynchronizationScope SynchScope); - - void writeAllMDNodes(); - - void printTypeIdentities(); - void printGlobal(const GlobalVariable *GV); - void printAlias(const GlobalAlias *GV); - void printFunction(const Function *F); - void printArgument(const Argument *FA, Attributes Attrs); - void printBasicBlock(const BasicBlock *BB); - void printInstruction(const Instruction &I); - -private: - // printInfoComment - Print a little comment after the instruction indicating - // which slot it occupies. - void printInfoComment(const Value &V); -}; -} // end of anonymous namespace - -void AssemblyWriter::writeOperand(const Value *Operand, bool PrintType) { - if (Operand == 0) { - Out << "<null operand!>"; - return; - } - if (PrintType) { - TypePrinter.print(Operand->getType(), Out); - Out << ' '; - } - WriteAsOperandInternal(Out, Operand, &TypePrinter, &Machine, TheModule); -} - -void AssemblyWriter::writeAtomic(AtomicOrdering Ordering, - SynchronizationScope SynchScope) { - if (Ordering == NotAtomic) - return; - - switch (SynchScope) { - case SingleThread: Out << " singlethread"; break; - case CrossThread: break; - } - - switch (Ordering) { - default: Out << " <bad ordering " << int(Ordering) << ">"; break; - case Unordered: Out << " unordered"; break; - case Monotonic: Out << " monotonic"; break; - case Acquire: Out << " acquire"; break; - case Release: Out << " release"; break; - case AcquireRelease: Out << " acq_rel"; break; - case SequentiallyConsistent: Out << " seq_cst"; break; - } -} - -void AssemblyWriter::writeParamOperand(const Value *Operand, - Attributes Attrs) { - if (Operand == 0) { - Out << "<null operand!>"; - return; - } - - // Print the type - TypePrinter.print(Operand->getType(), Out); - // Print parameter attributes list - if (Attrs.hasAttributes()) - Out << ' ' << Attrs.getAsString(); - Out << ' '; - // Print the operand - WriteAsOperandInternal(Out, Operand, &TypePrinter, &Machine, TheModule); -} - -void AssemblyWriter::printModule(const Module *M) { - if (!M->getModuleIdentifier().empty() && - // Don't print the ID if it will start a new line (which would - // require a comment char before it). - M->getModuleIdentifier().find('\n') == std::string::npos) - Out << "; ModuleID = '" << M->getModuleIdentifier() << "'\n"; - - if (!M->getDataLayout().empty()) - Out << "target datalayout = \"" << M->getDataLayout() << "\"\n"; - if (!M->getTargetTriple().empty()) - Out << "target triple = \"" << M->getTargetTriple() << "\"\n"; - - if (!M->getModuleInlineAsm().empty()) { - // Split the string into lines, to make it easier to read the .ll file. - std::string Asm = M->getModuleInlineAsm(); - size_t CurPos = 0; - size_t NewLine = Asm.find_first_of('\n', CurPos); - Out << '\n'; - while (NewLine != std::string::npos) { - // We found a newline, print the portion of the asm string from the - // last newline up to this newline. - Out << "module asm \""; - PrintEscapedString(std::string(Asm.begin()+CurPos, Asm.begin()+NewLine), - Out); - Out << "\"\n"; - CurPos = NewLine+1; - NewLine = Asm.find_first_of('\n', CurPos); - } - std::string rest(Asm.begin()+CurPos, Asm.end()); - if (!rest.empty()) { - Out << "module asm \""; - PrintEscapedString(rest, Out); - Out << "\"\n"; - } - } - - // Loop over the dependent libraries and emit them. - Module::lib_iterator LI = M->lib_begin(); - Module::lib_iterator LE = M->lib_end(); - if (LI != LE) { - Out << '\n'; - Out << "deplibs = [ "; - while (LI != LE) { - Out << '"' << *LI << '"'; - ++LI; - if (LI != LE) - Out << ", "; - } - Out << " ]"; - } - - printTypeIdentities(); - - // Output all globals. - if (!M->global_empty()) Out << '\n'; - for (Module::const_global_iterator I = M->global_begin(), E = M->global_end(); - I != E; ++I) { - printGlobal(I); Out << '\n'; - } - - // Output all aliases. - if (!M->alias_empty()) Out << "\n"; - for (Module::const_alias_iterator I = M->alias_begin(), E = M->alias_end(); - I != E; ++I) - printAlias(I); - - // Output all of the functions. - for (Module::const_iterator I = M->begin(), E = M->end(); I != E; ++I) - printFunction(I); - - // Output named metadata. - if (!M->named_metadata_empty()) Out << '\n'; - - for (Module::const_named_metadata_iterator I = M->named_metadata_begin(), - E = M->named_metadata_end(); I != E; ++I) - printNamedMDNode(I); - - // Output metadata. - if (!Machine.mdn_empty()) { - Out << '\n'; - writeAllMDNodes(); - } -} - -void AssemblyWriter::printNamedMDNode(const NamedMDNode *NMD) { - Out << '!'; - StringRef Name = NMD->getName(); - if (Name.empty()) { - Out << "<empty name> "; - } else { - if (isalpha(Name[0]) || Name[0] == '-' || Name[0] == '$' || - Name[0] == '.' || Name[0] == '_') - Out << Name[0]; - else - Out << '\\' << hexdigit(Name[0] >> 4) << hexdigit(Name[0] & 0x0F); - for (unsigned i = 1, e = Name.size(); i != e; ++i) { - unsigned char C = Name[i]; - if (isalnum(C) || C == '-' || C == '$' || C == '.' || C == '_') - Out << C; - else - Out << '\\' << hexdigit(C >> 4) << hexdigit(C & 0x0F); - } - } - Out << " = !{"; - for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i) { - if (i) Out << ", "; - int Slot = Machine.getMetadataSlot(NMD->getOperand(i)); - if (Slot == -1) - Out << "<badref>"; - else - Out << '!' << Slot; - } - Out << "}\n"; -} - - -static void PrintLinkage(GlobalValue::LinkageTypes LT, - formatted_raw_ostream &Out) { - switch (LT) { - case GlobalValue::ExternalLinkage: break; - case GlobalValue::PrivateLinkage: Out << "private "; break; - case GlobalValue::LinkerPrivateLinkage: Out << "linker_private "; break; - case GlobalValue::LinkerPrivateWeakLinkage: - Out << "linker_private_weak "; - break; - case GlobalValue::InternalLinkage: Out << "internal "; break; - case GlobalValue::LinkOnceAnyLinkage: Out << "linkonce "; break; - case GlobalValue::LinkOnceODRLinkage: Out << "linkonce_odr "; break; - case GlobalValue::LinkOnceODRAutoHideLinkage: - Out << "linkonce_odr_auto_hide "; - break; - case GlobalValue::WeakAnyLinkage: Out << "weak "; break; - case GlobalValue::WeakODRLinkage: Out << "weak_odr "; break; - case GlobalValue::CommonLinkage: Out << "common "; break; - case GlobalValue::AppendingLinkage: Out << "appending "; break; - case GlobalValue::DLLImportLinkage: Out << "dllimport "; break; - case GlobalValue::DLLExportLinkage: Out << "dllexport "; break; - case GlobalValue::ExternalWeakLinkage: Out << "extern_weak "; break; - case GlobalValue::AvailableExternallyLinkage: - Out << "available_externally "; - break; - } -} - - -static void PrintVisibility(GlobalValue::VisibilityTypes Vis, - formatted_raw_ostream &Out) { - switch (Vis) { - case GlobalValue::DefaultVisibility: break; - case GlobalValue::HiddenVisibility: Out << "hidden "; break; - case GlobalValue::ProtectedVisibility: Out << "protected "; break; - } -} - -static void PrintThreadLocalModel(GlobalVariable::ThreadLocalMode TLM, - formatted_raw_ostream &Out) { - switch (TLM) { - case GlobalVariable::NotThreadLocal: - break; - case GlobalVariable::GeneralDynamicTLSModel: - Out << "thread_local "; - break; - case GlobalVariable::LocalDynamicTLSModel: - Out << "thread_local(localdynamic) "; - break; - case GlobalVariable::InitialExecTLSModel: - Out << "thread_local(initialexec) "; - break; - case GlobalVariable::LocalExecTLSModel: - Out << "thread_local(localexec) "; - break; - } -} - -void AssemblyWriter::printGlobal(const GlobalVariable *GV) { - if (GV->isMaterializable()) - Out << "; Materializable\n"; - - WriteAsOperandInternal(Out, GV, &TypePrinter, &Machine, GV->getParent()); - Out << " = "; - - if (!GV->hasInitializer() && GV->hasExternalLinkage()) - Out << "external "; - - PrintLinkage(GV->getLinkage(), Out); - PrintVisibility(GV->getVisibility(), Out); - PrintThreadLocalModel(GV->getThreadLocalMode(), Out); - - if (unsigned AddressSpace = GV->getType()->getAddressSpace()) - Out << "addrspace(" << AddressSpace << ") "; - if (GV->hasUnnamedAddr()) Out << "unnamed_addr "; - Out << (GV->isConstant() ? "constant " : "global "); - TypePrinter.print(GV->getType()->getElementType(), Out); - - if (GV->hasInitializer()) { - Out << ' '; - writeOperand(GV->getInitializer(), false); - } - - if (GV->hasSection()) { - Out << ", section \""; - PrintEscapedString(GV->getSection(), Out); - Out << '"'; - } - if (GV->getAlignment()) - Out << ", align " << GV->getAlignment(); - - printInfoComment(*GV); -} - -void AssemblyWriter::printAlias(const GlobalAlias *GA) { - if (GA->isMaterializable()) - Out << "; Materializable\n"; - - // Don't crash when dumping partially built GA - if (!GA->hasName()) - Out << "<<nameless>> = "; - else { - PrintLLVMName(Out, GA); - Out << " = "; - } - PrintVisibility(GA->getVisibility(), Out); - - Out << "alias "; - - PrintLinkage(GA->getLinkage(), Out); - - const Constant *Aliasee = GA->getAliasee(); - - if (Aliasee == 0) { - TypePrinter.print(GA->getType(), Out); - Out << " <<NULL ALIASEE>>"; - } else { - writeOperand(Aliasee, !isa<ConstantExpr>(Aliasee)); - } - - printInfoComment(*GA); - Out << '\n'; -} - -void AssemblyWriter::printTypeIdentities() { - if (TypePrinter.NumberedTypes.empty() && - TypePrinter.NamedTypes.empty()) - return; - - Out << '\n'; - - // We know all the numbers that each type is used and we know that it is a - // dense assignment. Convert the map to an index table. - std::vector<StructType*> NumberedTypes(TypePrinter.NumberedTypes.size()); - for (DenseMap<StructType*, unsigned>::iterator I = - TypePrinter.NumberedTypes.begin(), E = TypePrinter.NumberedTypes.end(); - I != E; ++I) { - assert(I->second < NumberedTypes.size() && "Didn't get a dense numbering?"); - NumberedTypes[I->second] = I->first; - } - - // Emit all numbered types. - for (unsigned i = 0, e = NumberedTypes.size(); i != e; ++i) { - Out << '%' << i << " = type "; - - // Make sure we print out at least one level of the type structure, so - // that we do not get %2 = type %2 - TypePrinter.printStructBody(NumberedTypes[i], Out); - Out << '\n'; - } - - for (unsigned i = 0, e = TypePrinter.NamedTypes.size(); i != e; ++i) { - PrintLLVMName(Out, TypePrinter.NamedTypes[i]->getName(), LocalPrefix); - Out << " = type "; - - // Make sure we print out at least one level of the type structure, so - // that we do not get %FILE = type %FILE - TypePrinter.printStructBody(TypePrinter.NamedTypes[i], Out); - Out << '\n'; - } -} - -/// printFunction - Print all aspects of a function. -/// -void AssemblyWriter::printFunction(const Function *F) { - // Print out the return type and name. - Out << '\n'; - - if (AnnotationWriter) AnnotationWriter->emitFunctionAnnot(F, Out); - - if (F->isMaterializable()) - Out << "; Materializable\n"; - - if (F->isDeclaration()) - Out << "declare "; - else - Out << "define "; - - PrintLinkage(F->getLinkage(), Out); - PrintVisibility(F->getVisibility(), Out); - - // Print the calling convention. - if (F->getCallingConv() != CallingConv::C) { - PrintCallingConv(F->getCallingConv(), Out); - Out << " "; - } - - FunctionType *FT = F->getFunctionType(); - const AttrListPtr &Attrs = F->getAttributes(); - Attributes RetAttrs = Attrs.getRetAttributes(); - if (RetAttrs.hasAttributes()) - Out << Attrs.getRetAttributes().getAsString() << ' '; - TypePrinter.print(F->getReturnType(), Out); - Out << ' '; - WriteAsOperandInternal(Out, F, &TypePrinter, &Machine, F->getParent()); - Out << '('; - Machine.incorporateFunction(F); - - // Loop over the arguments, printing them... - - unsigned Idx = 1; - if (!F->isDeclaration()) { - // If this isn't a declaration, print the argument names as well. - for (Function::const_arg_iterator I = F->arg_begin(), E = F->arg_end(); - I != E; ++I) { - // Insert commas as we go... the first arg doesn't get a comma - if (I != F->arg_begin()) Out << ", "; - printArgument(I, Attrs.getParamAttributes(Idx)); - Idx++; - } - } else { - // Otherwise, print the types from the function type. - for (unsigned i = 0, e = FT->getNumParams(); i != e; ++i) { - // Insert commas as we go... the first arg doesn't get a comma - if (i) Out << ", "; - - // Output type... - TypePrinter.print(FT->getParamType(i), Out); - - Attributes ArgAttrs = Attrs.getParamAttributes(i+1); - if (ArgAttrs.hasAttributes()) - Out << ' ' << ArgAttrs.getAsString(); - } - } - - // Finish printing arguments... - if (FT->isVarArg()) { - if (FT->getNumParams()) Out << ", "; - Out << "..."; // Output varargs portion of signature! - } - Out << ')'; - if (F->hasUnnamedAddr()) - Out << " unnamed_addr"; - Attributes FnAttrs = Attrs.getFnAttributes(); - if (FnAttrs.hasAttributes()) - Out << ' ' << Attrs.getFnAttributes().getAsString(); - if (F->hasSection()) { - Out << " section \""; - PrintEscapedString(F->getSection(), Out); - Out << '"'; - } - if (F->getAlignment()) - Out << " align " << F->getAlignment(); - if (F->hasGC()) - Out << " gc \"" << F->getGC() << '"'; - if (F->isDeclaration()) { - Out << '\n'; - } else { - Out << " {"; - // Output all of the function's basic blocks. - for (Function::const_iterator I = F->begin(), E = F->end(); I != E; ++I) - printBasicBlock(I); - - Out << "}\n"; - } - - Machine.purgeFunction(); -} - -/// printArgument - This member is called for every argument that is passed into -/// the function. Simply print it out -/// -void AssemblyWriter::printArgument(const Argument *Arg, - Attributes Attrs) { - // Output type... - TypePrinter.print(Arg->getType(), Out); - - // Output parameter attributes list - if (Attrs.hasAttributes()) - Out << ' ' << Attrs.getAsString(); - - // Output name, if available... - if (Arg->hasName()) { - Out << ' '; - PrintLLVMName(Out, Arg); - } -} - -/// printBasicBlock - This member is called for each basic block in a method. -/// -void AssemblyWriter::printBasicBlock(const BasicBlock *BB) { - if (BB->hasName()) { // Print out the label if it exists... - Out << "\n"; - PrintLLVMName(Out, BB->getName(), LabelPrefix); - Out << ':'; - } else if (!BB->use_empty()) { // Don't print block # of no uses... - Out << "\n; <label>:"; - int Slot = Machine.getLocalSlot(BB); - if (Slot != -1) - Out << Slot; - else - Out << "<badref>"; - } - - if (BB->getParent() == 0) { - Out.PadToColumn(50); - Out << "; Error: Block without parent!"; - } else if (BB != &BB->getParent()->getEntryBlock()) { // Not the entry block? - // Output predecessors for the block. - Out.PadToColumn(50); - Out << ";"; - const_pred_iterator PI = pred_begin(BB), PE = pred_end(BB); - - if (PI == PE) { - Out << " No predecessors!"; - } else { - Out << " preds = "; - writeOperand(*PI, false); - for (++PI; PI != PE; ++PI) { - Out << ", "; - writeOperand(*PI, false); - } - } - } - - Out << "\n"; - - if (AnnotationWriter) AnnotationWriter->emitBasicBlockStartAnnot(BB, Out); - - // Output all of the instructions in the basic block... - for (BasicBlock::const_iterator I = BB->begin(), E = BB->end(); I != E; ++I) { - printInstruction(*I); - Out << '\n'; - } - - if (AnnotationWriter) AnnotationWriter->emitBasicBlockEndAnnot(BB, Out); -} - -/// printInfoComment - Print a little comment after the instruction indicating -/// which slot it occupies. -/// -void AssemblyWriter::printInfoComment(const Value &V) { - if (AnnotationWriter) { - AnnotationWriter->printInfoComment(V, Out); - return; - } -} - -// This member is called for each Instruction in a function.. -void AssemblyWriter::printInstruction(const Instruction &I) { - if (AnnotationWriter) AnnotationWriter->emitInstructionAnnot(&I, Out); - - // Print out indentation for an instruction. - Out << " "; - - // Print out name if it exists... - if (I.hasName()) { - PrintLLVMName(Out, &I); - Out << " = "; - } else if (!I.getType()->isVoidTy()) { - // Print out the def slot taken. - int SlotNum = Machine.getLocalSlot(&I); - if (SlotNum == -1) - Out << "<badref> = "; - else - Out << '%' << SlotNum << " = "; - } - - if (isa<CallInst>(I) && cast<CallInst>(I).isTailCall()) - Out << "tail "; - - // Print out the opcode... - Out << I.getOpcodeName(); - - // If this is an atomic load or store, print out the atomic marker. - if ((isa<LoadInst>(I) && cast<LoadInst>(I).isAtomic()) || - (isa<StoreInst>(I) && cast<StoreInst>(I).isAtomic())) - Out << " atomic"; - - // If this is a volatile operation, print out the volatile marker. - if ((isa<LoadInst>(I) && cast<LoadInst>(I).isVolatile()) || - (isa<StoreInst>(I) && cast<StoreInst>(I).isVolatile()) || - (isa<AtomicCmpXchgInst>(I) && cast<AtomicCmpXchgInst>(I).isVolatile()) || - (isa<AtomicRMWInst>(I) && cast<AtomicRMWInst>(I).isVolatile())) - Out << " volatile"; - - // Print out optimization information. - WriteOptimizationInfo(Out, &I); - - // Print out the compare instruction predicates - if (const CmpInst *CI = dyn_cast<CmpInst>(&I)) - Out << ' ' << getPredicateText(CI->getPredicate()); - - // Print out the atomicrmw operation - if (const AtomicRMWInst *RMWI = dyn_cast<AtomicRMWInst>(&I)) - writeAtomicRMWOperation(Out, RMWI->getOperation()); - - // Print out the type of the operands... - const Value *Operand = I.getNumOperands() ? I.getOperand(0) : 0; - - // Special case conditional branches to swizzle the condition out to the front - if (isa<BranchInst>(I) && cast<BranchInst>(I).isConditional()) { - BranchInst &BI(cast<BranchInst>(I)); - Out << ' '; - writeOperand(BI.getCondition(), true); - Out << ", "; - writeOperand(BI.getSuccessor(0), true); - Out << ", "; - writeOperand(BI.getSuccessor(1), true); - - } else if (isa<SwitchInst>(I)) { - SwitchInst& SI(cast<SwitchInst>(I)); - // Special case switch instruction to get formatting nice and correct. - Out << ' '; - writeOperand(SI.getCondition(), true); - Out << ", "; - writeOperand(SI.getDefaultDest(), true); - Out << " ["; - for (SwitchInst::CaseIt i = SI.case_begin(), e = SI.case_end(); - i != e; ++i) { - Out << "\n "; - writeOperand(i.getCaseValue(), true); - Out << ", "; - writeOperand(i.getCaseSuccessor(), true); - } - Out << "\n ]"; - } else if (isa<IndirectBrInst>(I)) { - // Special case indirectbr instruction to get formatting nice and correct. - Out << ' '; - writeOperand(Operand, true); - Out << ", ["; - - for (unsigned i = 1, e = I.getNumOperands(); i != e; ++i) { - if (i != 1) - Out << ", "; - writeOperand(I.getOperand(i), true); - } - Out << ']'; - } else if (const PHINode *PN = dyn_cast<PHINode>(&I)) { - Out << ' '; - TypePrinter.print(I.getType(), Out); - Out << ' '; - - for (unsigned op = 0, Eop = PN->getNumIncomingValues(); op < Eop; ++op) { - if (op) Out << ", "; - Out << "[ "; - writeOperand(PN->getIncomingValue(op), false); Out << ", "; - writeOperand(PN->getIncomingBlock(op), false); Out << " ]"; - } - } else if (const ExtractValueInst *EVI = dyn_cast<ExtractValueInst>(&I)) { - Out << ' '; - writeOperand(I.getOperand(0), true); - for (const unsigned *i = EVI->idx_begin(), *e = EVI->idx_end(); i != e; ++i) - Out << ", " << *i; - } else if (const InsertValueInst *IVI = dyn_cast<InsertValueInst>(&I)) { - Out << ' '; - writeOperand(I.getOperand(0), true); Out << ", "; - writeOperand(I.getOperand(1), true); - for (const unsigned *i = IVI->idx_begin(), *e = IVI->idx_end(); i != e; ++i) - Out << ", " << *i; - } else if (const LandingPadInst *LPI = dyn_cast<LandingPadInst>(&I)) { - Out << ' '; - TypePrinter.print(I.getType(), Out); - Out << " personality "; - writeOperand(I.getOperand(0), true); Out << '\n'; - - if (LPI->isCleanup()) - Out << " cleanup"; - - for (unsigned i = 0, e = LPI->getNumClauses(); i != e; ++i) { - if (i != 0 || LPI->isCleanup()) Out << "\n"; - if (LPI->isCatch(i)) - Out << " catch "; - else - Out << " filter "; - - writeOperand(LPI->getClause(i), true); - } - } else if (isa<ReturnInst>(I) && !Operand) { - Out << " void"; - } else if (const CallInst *CI = dyn_cast<CallInst>(&I)) { - // Print the calling convention being used. - if (CI->getCallingConv() != CallingConv::C) { - Out << " "; - PrintCallingConv(CI->getCallingConv(), Out); - } - - Operand = CI->getCalledValue(); - PointerType *PTy = cast<PointerType>(Operand->getType()); - FunctionType *FTy = cast<FunctionType>(PTy->getElementType()); - Type *RetTy = FTy->getReturnType(); - const AttrListPtr &PAL = CI->getAttributes(); - - if (PAL.getRetAttributes().hasAttributes()) - Out << ' ' << PAL.getRetAttributes().getAsString(); - - // If possible, print out the short form of the call instruction. We can - // only do this if the first argument is a pointer to a nonvararg function, - // and if the return type is not a pointer to a function. - // - Out << ' '; - if (!FTy->isVarArg() && - (!RetTy->isPointerTy() || - !cast<PointerType>(RetTy)->getElementType()->isFunctionTy())) { - TypePrinter.print(RetTy, Out); - Out << ' '; - writeOperand(Operand, false); - } else { - writeOperand(Operand, true); - } - Out << '('; - for (unsigned op = 0, Eop = CI->getNumArgOperands(); op < Eop; ++op) { - if (op > 0) - Out << ", "; - writeParamOperand(CI->getArgOperand(op), PAL.getParamAttributes(op + 1)); - } - Out << ')'; - if (PAL.getFnAttributes().hasAttributes()) - Out << ' ' << PAL.getFnAttributes().getAsString(); - } else if (const InvokeInst *II = dyn_cast<InvokeInst>(&I)) { - Operand = II->getCalledValue(); - PointerType *PTy = cast<PointerType>(Operand->getType()); - FunctionType *FTy = cast<FunctionType>(PTy->getElementType()); - Type *RetTy = FTy->getReturnType(); - const AttrListPtr &PAL = II->getAttributes(); - - // Print the calling convention being used. - if (II->getCallingConv() != CallingConv::C) { - Out << " "; - PrintCallingConv(II->getCallingConv(), Out); - } - - if (PAL.getRetAttributes().hasAttributes()) - Out << ' ' << PAL.getRetAttributes().getAsString(); - - // If possible, print out the short form of the invoke instruction. We can - // only do this if the first argument is a pointer to a nonvararg function, - // and if the return type is not a pointer to a function. - // - Out << ' '; - if (!FTy->isVarArg() && - (!RetTy->isPointerTy() || - !cast<PointerType>(RetTy)->getElementType()->isFunctionTy())) { - TypePrinter.print(RetTy, Out); - Out << ' '; - writeOperand(Operand, false); - } else { - writeOperand(Operand, true); - } - Out << '('; - for (unsigned op = 0, Eop = II->getNumArgOperands(); op < Eop; ++op) { - if (op) - Out << ", "; - writeParamOperand(II->getArgOperand(op), PAL.getParamAttributes(op + 1)); - } - - Out << ')'; - if (PAL.getFnAttributes().hasAttributes()) - Out << ' ' << PAL.getFnAttributes().getAsString(); - - Out << "\n to "; - writeOperand(II->getNormalDest(), true); - Out << " unwind "; - writeOperand(II->getUnwindDest(), true); - - } else if (const AllocaInst *AI = dyn_cast<AllocaInst>(&I)) { - Out << ' '; - TypePrinter.print(AI->getType()->getElementType(), Out); - if (!AI->getArraySize() || AI->isArrayAllocation()) { - Out << ", "; - writeOperand(AI->getArraySize(), true); - } - if (AI->getAlignment()) { - Out << ", align " << AI->getAlignment(); - } - } else if (isa<CastInst>(I)) { - if (Operand) { - Out << ' '; - writeOperand(Operand, true); // Work with broken code - } - Out << " to "; - TypePrinter.print(I.getType(), Out); - } else if (isa<VAArgInst>(I)) { - if (Operand) { - Out << ' '; - writeOperand(Operand, true); // Work with broken code - } - Out << ", "; - TypePrinter.print(I.getType(), Out); - } else if (Operand) { // Print the normal way. - - // PrintAllTypes - Instructions who have operands of all the same type - // omit the type from all but the first operand. If the instruction has - // different type operands (for example br), then they are all printed. - bool PrintAllTypes = false; - Type *TheType = Operand->getType(); - - // Select, Store and ShuffleVector always print all types. - if (isa<SelectInst>(I) || isa<StoreInst>(I) || isa<ShuffleVectorInst>(I) - || isa<ReturnInst>(I)) { - PrintAllTypes = true; - } else { - for (unsigned i = 1, E = I.getNumOperands(); i != E; ++i) { - Operand = I.getOperand(i); - // note that Operand shouldn't be null, but the test helps make dump() - // more tolerant of malformed IR - if (Operand && Operand->getType() != TheType) { - PrintAllTypes = true; // We have differing types! Print them all! - break; - } - } - } - - if (!PrintAllTypes) { - Out << ' '; - TypePrinter.print(TheType, Out); - } - - Out << ' '; - for (unsigned i = 0, E = I.getNumOperands(); i != E; ++i) { - if (i) Out << ", "; - writeOperand(I.getOperand(i), PrintAllTypes); - } - } - - // Print atomic ordering/alignment for memory operations - if (const LoadInst *LI = dyn_cast<LoadInst>(&I)) { - if (LI->isAtomic()) - writeAtomic(LI->getOrdering(), LI->getSynchScope()); - if (LI->getAlignment()) - Out << ", align " << LI->getAlignment(); - } else if (const StoreInst *SI = dyn_cast<StoreInst>(&I)) { - if (SI->isAtomic()) - writeAtomic(SI->getOrdering(), SI->getSynchScope()); - if (SI->getAlignment()) - Out << ", align " << SI->getAlignment(); - } else if (const AtomicCmpXchgInst *CXI = dyn_cast<AtomicCmpXchgInst>(&I)) { - writeAtomic(CXI->getOrdering(), CXI->getSynchScope()); - } else if (const AtomicRMWInst *RMWI = dyn_cast<AtomicRMWInst>(&I)) { - writeAtomic(RMWI->getOrdering(), RMWI->getSynchScope()); - } else if (const FenceInst *FI = dyn_cast<FenceInst>(&I)) { - writeAtomic(FI->getOrdering(), FI->getSynchScope()); - } - - // Print Metadata info. - SmallVector<std::pair<unsigned, MDNode*>, 4> InstMD; - I.getAllMetadata(InstMD); - if (!InstMD.empty()) { - SmallVector<StringRef, 8> MDNames; - I.getType()->getContext().getMDKindNames(MDNames); - for (unsigned i = 0, e = InstMD.size(); i != e; ++i) { - unsigned Kind = InstMD[i].first; - if (Kind < MDNames.size()) { - Out << ", !" << MDNames[Kind]; - } else { - Out << ", !<unknown kind #" << Kind << ">"; - } - Out << ' '; - WriteAsOperandInternal(Out, InstMD[i].second, &TypePrinter, &Machine, - TheModule); - } - } - printInfoComment(I); -} - -static void WriteMDNodeComment(const MDNode *Node, - formatted_raw_ostream &Out) { - if (Node->getNumOperands() < 1) - return; - - Value *Op = Node->getOperand(0); - if (!Op || !isa<ConstantInt>(Op) || cast<ConstantInt>(Op)->getBitWidth() < 32) - return; - - DIDescriptor Desc(Node); - if (Desc.getVersion() < LLVMDebugVersion11) - return; - - unsigned Tag = Desc.getTag(); - Out.PadToColumn(50); - if (dwarf::TagString(Tag)) { - Out << "; "; - Desc.print(Out); - } else if (Tag == dwarf::DW_TAG_user_base) { - Out << "; [ DW_TAG_user_base ]"; - } -} - -void AssemblyWriter::writeAllMDNodes() { - SmallVector<const MDNode *, 16> Nodes; - Nodes.resize(Machine.mdn_size()); - for (SlotTracker::mdn_iterator I = Machine.mdn_begin(), E = Machine.mdn_end(); - I != E; ++I) - Nodes[I->second] = cast<MDNode>(I->first); - - for (unsigned i = 0, e = Nodes.size(); i != e; ++i) { - Out << '!' << i << " = metadata "; - printMDNodeBody(Nodes[i]); - } -} - -void AssemblyWriter::printMDNodeBody(const MDNode *Node) { - WriteMDNodeBodyInternal(Out, Node, &TypePrinter, &Machine, TheModule); - WriteMDNodeComment(Node, Out); - Out << "\n"; -} - -//===----------------------------------------------------------------------===// -// External Interface declarations -//===----------------------------------------------------------------------===// - -void Module::print(raw_ostream &ROS, AssemblyAnnotationWriter *AAW) const { - SlotTracker SlotTable(this); - formatted_raw_ostream OS(ROS); - AssemblyWriter W(OS, SlotTable, this, AAW); - W.printModule(this); -} - -void NamedMDNode::print(raw_ostream &ROS, AssemblyAnnotationWriter *AAW) const { - SlotTracker SlotTable(getParent()); - formatted_raw_ostream OS(ROS); - AssemblyWriter W(OS, SlotTable, getParent(), AAW); - W.printNamedMDNode(this); -} - -void Type::print(raw_ostream &OS) const { - if (this == 0) { - OS << "<null Type>"; - return; - } - TypePrinting TP; - TP.print(const_cast<Type*>(this), OS); - - // If the type is a named struct type, print the body as well. - if (StructType *STy = dyn_cast<StructType>(const_cast<Type*>(this))) - if (!STy->isLiteral()) { - OS << " = type "; - TP.printStructBody(STy, OS); - } -} - -void Value::print(raw_ostream &ROS, AssemblyAnnotationWriter *AAW) const { - if (this == 0) { - ROS << "printing a <null> value\n"; - return; - } - formatted_raw_ostream OS(ROS); - if (const Instruction *I = dyn_cast<Instruction>(this)) { - const Function *F = I->getParent() ? I->getParent()->getParent() : 0; - SlotTracker SlotTable(F); - AssemblyWriter W(OS, SlotTable, getModuleFromVal(I), AAW); - W.printInstruction(*I); - } else if (const BasicBlock *BB = dyn_cast<BasicBlock>(this)) { - SlotTracker SlotTable(BB->getParent()); - AssemblyWriter W(OS, SlotTable, getModuleFromVal(BB), AAW); - W.printBasicBlock(BB); - } else if (const GlobalValue *GV = dyn_cast<GlobalValue>(this)) { - SlotTracker SlotTable(GV->getParent()); - AssemblyWriter W(OS, SlotTable, GV->getParent(), AAW); - if (const GlobalVariable *V = dyn_cast<GlobalVariable>(GV)) - W.printGlobal(V); - else if (const Function *F = dyn_cast<Function>(GV)) - W.printFunction(F); - else - W.printAlias(cast<GlobalAlias>(GV)); - } else if (const MDNode *N = dyn_cast<MDNode>(this)) { - const Function *F = N->getFunction(); - SlotTracker SlotTable(F); - AssemblyWriter W(OS, SlotTable, F ? F->getParent() : 0, AAW); - W.printMDNodeBody(N); - } else if (const Constant *C = dyn_cast<Constant>(this)) { - TypePrinting TypePrinter; - TypePrinter.print(C->getType(), OS); - OS << ' '; - WriteConstantInternal(OS, C, TypePrinter, 0, 0); - } else if (isa<InlineAsm>(this) || isa<MDString>(this) || - isa<Argument>(this)) { - WriteAsOperand(OS, this, true, 0); - } else { - // Otherwise we don't know what it is. Call the virtual function to - // allow a subclass to print itself. - printCustom(OS); - } -} - -// Value::printCustom - subclasses should override this to implement printing. -void Value::printCustom(raw_ostream &OS) const { - llvm_unreachable("Unknown value to print out!"); -} - -// Value::dump - allow easy printing of Values from the debugger. -void Value::dump() const { print(dbgs()); dbgs() << '\n'; } - -// Type::dump - allow easy printing of Types from the debugger. -void Type::dump() const { print(dbgs()); } - -// Module::dump() - Allow printing of Modules from the debugger. -void Module::dump() const { print(dbgs(), 0); } - -// NamedMDNode::dump() - Allow printing of NamedMDNodes from the debugger. -void NamedMDNode::dump() const { print(dbgs(), 0); } |
