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+//===-- 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/ADT/DenseMap.h"
+#include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/Assembly/AssemblyAnnotationWriter.h"
+#include "llvm/Assembly/PrintModulePass.h"
+#include "llvm/DebugInfo.h"
+#include "llvm/IR/CallingConv.h"
+#include "llvm/IR/Constants.h"
+#include "llvm/IR/DerivedTypes.h"
+#include "llvm/IR/InlineAsm.h"
+#include "llvm/IR/IntrinsicInst.h"
+#include "llvm/IR/LLVMContext.h"
+#include "llvm/IR/Module.h"
+#include "llvm/IR/Operator.h"
+#include "llvm/IR/TypeFinder.h"
+#include "llvm/IR/ValueSymbolTable.h"
+#include "llvm/Support/CFG.h"
+#include "llvm/Support/Debug.h"
+#include "llvm/Support/Dwarf.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/FormattedStream.h"
+#include "llvm/Support/MathExtras.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) {
+ default: Out << "cc" << cc; break;
+ 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;
+ }
+}
+
+// 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(static_cast<unsigned char>(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(static_cast<unsigned char>(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;
+
+ /// asMap - The slot map for attribute sets.
+ DenseMap<AttributeSet, unsigned> asMap;
+ unsigned asNext;
+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);
+ int getAttributeGroupSlot(AttributeSet AS);
+
+ /// 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(); }
+
+ /// AttributeSet map iterators.
+ typedef DenseMap<AttributeSet, unsigned>::iterator as_iterator;
+ as_iterator as_begin() { return asMap.begin(); }
+ as_iterator as_end() { return asMap.end(); }
+ unsigned as_size() const { return asMap.size(); }
+ bool as_empty() const { return asMap.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);
+
+ /// \brief Insert the specified AttributeSet into the slot table.
+ void CreateAttributeSetSlot(AttributeSet AS);
+
+ /// 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), asNext(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), asNext(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));
+ }
+
+ for (Module::const_iterator I = TheModule->begin(), E = TheModule->end();
+ I != E; ++I) {
+ if (!I->hasName())
+ // Add all the unnamed functions to the table.
+ CreateModuleSlot(I);
+
+ // Add all the function attributes to the table.
+ // FIXME: Add attributes of other objects?
+ AttributeSet FnAttrs = I->getAttributes().getFnAttributes();
+ if (FnAttrs.hasAttributes(AttributeSet::FunctionIndex))
+ CreateAttributeSetSlot(FnAttrs);
+ }
+
+ 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);
+
+ // Add all the call attributes to the table.
+ AttributeSet Attrs = CI->getAttributes().getFnAttributes();
+ if (Attrs.hasAttributes(AttributeSet::FunctionIndex))
+ CreateAttributeSetSlot(Attrs);
+ } else if (const InvokeInst *II = dyn_cast<InvokeInst>(I)) {
+ // Add all the call attributes to the table.
+ AttributeSet Attrs = II->getAttributes().getFnAttributes();
+ if (Attrs.hasAttributes(AttributeSet::FunctionIndex))
+ CreateAttributeSetSlot(Attrs);
+ }
+
+ // 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;
+}
+
+int SlotTracker::getAttributeGroupSlot(AttributeSet AS) {
+ // Check for uninitialized state and do lazy initialization.
+ initialize();
+
+ // Find the AttributeSet in the module map.
+ as_iterator AI = asMap.find(AS);
+ return AI == asMap.end() ? -1 : (int)AI->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);
+}
+
+void SlotTracker::CreateAttributeSetSlot(AttributeSet AS) {
+ assert(AS.hasAttributes(AttributeSet::FunctionIndex) &&
+ "Doesn't need a slot!");
+
+ as_iterator I = asMap.find(AS);
+ if (I != asMap.end())
+ return;
+
+ unsigned DestSlot = asNext++;
+ asMap[AS] = DestSlot;
+}
+
+//===----------------------------------------------------------------------===//
+// 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 FPMathOperator *FPO = dyn_cast<const FPMathOperator>(U)) {
+ // Unsafe algebra implies all the others, no need to write them all out
+ if (FPO->hasUnsafeAlgebra())
+ Out << " fast";
+ else {
+ if (FPO->hasNoNaNs())
+ Out << " nnan";
+ if (FPO->hasNoInfs())
+ Out << " ninf";
+ if (FPO->hasNoSignedZeros())
+ Out << " nsz";
+ if (FPO->hasAllowReciprocal())
+ Out << " arcp";
+ }
+ }
+
+ 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, AttributeSet Attrs,unsigned Idx);
+ void writeAtomic(AtomicOrdering Ordering, SynchronizationScope SynchScope);
+
+ void writeAllMDNodes();
+ void writeAllAttributeGroups();
+
+ void printTypeIdentities();
+ void printGlobal(const GlobalVariable *GV);
+ void printAlias(const GlobalAlias *GV);
+ void printFunction(const Function *F);
+ void printArgument(const Argument *FA, AttributeSet Attrs, unsigned Idx);
+ 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,
+ AttributeSet Attrs, unsigned Idx) {
+ if (Operand == 0) {
+ Out << "<null operand!>";
+ return;
+ }
+
+ // Print the type
+ TypePrinter.print(Operand->getType(), Out);
+ // Print parameter attributes list
+ if (Attrs.hasAttributes(Idx))
+ Out << ' ' << Attrs.getAsString(Idx);
+ Out << ' ';
+ // Print the operand
+ WriteAsOperandInternal(Out, Operand, &TypePrinter, &Machine, TheModule);
+}
+
+void AssemblyWriter::printModule(const Module *M) {
+ Machine.initialize();
+
+ 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";
+ }
+ }
+
+ 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 all attribute groups.
+ if (!Machine.as_empty()) {
+ Out << '\n';
+ writeAllAttributeGroups();
+ }
+
+ // 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(static_cast<unsigned char>(Name[0])) ||
+ Name[0] == '-' || Name[0] == '$' ||
+ Name[0] == '.' || Name[0] == '_')
+ Out << Name[0];
+ else
+ Out << '\\' << hexdigit(Name[0] >> 4) << hexdigit(Name[0] & 0x0F);
+ for (unsigned i = 1, e = Name.size(); i != e; ++i) {
+ unsigned char C = Name[i];
+ if (isalnum(static_cast<unsigned char>(C)) || C == '-' || C == '$' ||
+ 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 ";
+ if (GV->isExternallyInitialized()) Out << "externally_initialized ";
+ 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 AttributeSet &Attrs = F->getAttributes();
+ if (Attrs.hasAttributes(AttributeSet::ReturnIndex))
+ Out << Attrs.getAsString(AttributeSet::ReturnIndex) << ' ';
+ 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, 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);
+
+ if (Attrs.hasAttributes(i+1))
+ Out << ' ' << Attrs.getAsString(i+1);
+ }
+ }
+
+ // Finish printing arguments...
+ if (FT->isVarArg()) {
+ if (FT->getNumParams()) Out << ", ";
+ Out << "..."; // Output varargs portion of signature!
+ }
+ Out << ')';
+ if (F->hasUnnamedAddr())
+ Out << " unnamed_addr";
+ if (Attrs.hasAttributes(AttributeSet::FunctionIndex))
+ Out << " #" << Machine.getAttributeGroupSlot(Attrs.getFnAttributes());
+ 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,
+ AttributeSet Attrs, unsigned Idx) {
+ // Output type...
+ TypePrinter.print(Arg->getType(), Out);
+
+ // Output parameter attributes list
+ if (Attrs.hasAttributes(Idx))
+ Out << ' ' << Attrs.getAsString(Idx);
+
+ // 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()) {
+ const 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)) {
+ const 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::ConstCaseIt 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 AttributeSet &PAL = CI->getAttributes();
+
+ if (PAL.hasAttributes(AttributeSet::ReturnIndex))
+ Out << ' ' << PAL.getAsString(AttributeSet::ReturnIndex);
+
+ // 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, op + 1);
+ }
+ Out << ')';
+ if (PAL.hasAttributes(AttributeSet::FunctionIndex))
+ Out << " #" << Machine.getAttributeGroupSlot(PAL.getFnAttributes());
+ } 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 AttributeSet &PAL = II->getAttributes();
+
+ // Print the calling convention being used.
+ if (II->getCallingConv() != CallingConv::C) {
+ Out << " ";
+ PrintCallingConv(II->getCallingConv(), Out);
+ }
+
+ if (PAL.hasAttributes(AttributeSet::ReturnIndex))
+ Out << ' ' << PAL.getAsString(AttributeSet::ReturnIndex);
+
+ // 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, op + 1);
+ }
+
+ Out << ')';
+ if (PAL.hasAttributes(AttributeSet::FunctionIndex))
+ Out << " #" << Machine.getAttributeGroupSlot(PAL.getFnAttributes());
+
+ 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->getAllocatedType(), 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.Verify())
+ 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";
+}
+
+void AssemblyWriter::writeAllAttributeGroups() {
+ std::vector<std::pair<AttributeSet, unsigned> > asVec;
+ asVec.resize(Machine.as_size());
+
+ for (SlotTracker::as_iterator I = Machine.as_begin(), E = Machine.as_end();
+ I != E; ++I)
+ asVec[I->second] = *I;
+
+ for (std::vector<std::pair<AttributeSet, unsigned> >::iterator
+ I = asVec.begin(), E = asVec.end(); I != E; ++I)
+ Out << "attributes #" << I->second << " = { "
+ << I->first.getAsString(AttributeSet::FunctionIndex, true) << " }\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); }
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