1 //===-- AsmWriter.cpp - Printing LLVM as an assembly file -----------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This library implements the functionality defined in llvm/Assembly/Writer.h
12 // Note that these routines must be extremely tolerant of various errors in the
13 // LLVM code, because it can be used for debugging transformations.
15 //===----------------------------------------------------------------------===//
17 #include "llvm/Assembly/Writer.h"
18 #include "llvm/Assembly/PrintModulePass.h"
19 #include "llvm/Assembly/AsmAnnotationWriter.h"
20 #include "llvm/CallingConv.h"
21 #include "llvm/Constants.h"
22 #include "llvm/DerivedTypes.h"
23 #include "llvm/InlineAsm.h"
24 #include "llvm/IntrinsicInst.h"
25 #include "llvm/LLVMContext.h"
26 #include "llvm/Operator.h"
27 #include "llvm/Module.h"
28 #include "llvm/ValueSymbolTable.h"
29 #include "llvm/TypeSymbolTable.h"
30 #include "llvm/ADT/DenseSet.h"
31 #include "llvm/ADT/StringExtras.h"
32 #include "llvm/ADT/STLExtras.h"
33 #include "llvm/Support/CFG.h"
34 #include "llvm/Support/Dwarf.h"
35 #include "llvm/Support/ErrorHandling.h"
36 #include "llvm/Support/MathExtras.h"
37 #include "llvm/Support/FormattedStream.h"
43 // Make virtual table appear in this compilation unit.
44 AssemblyAnnotationWriter::~AssemblyAnnotationWriter() {}
46 //===----------------------------------------------------------------------===//
48 //===----------------------------------------------------------------------===//
50 static const Module *getModuleFromVal(const Value *V) {
51 if (const Argument *MA = dyn_cast<Argument>(V))
52 return MA->getParent() ? MA->getParent()->getParent() : 0;
54 if (const BasicBlock *BB = dyn_cast<BasicBlock>(V))
55 return BB->getParent() ? BB->getParent()->getParent() : 0;
57 if (const Instruction *I = dyn_cast<Instruction>(V)) {
58 const Function *M = I->getParent() ? I->getParent()->getParent() : 0;
59 return M ? M->getParent() : 0;
62 if (const GlobalValue *GV = dyn_cast<GlobalValue>(V))
63 return GV->getParent();
67 // PrintEscapedString - Print each character of the specified string, escaping
68 // it if it is not printable or if it is an escape char.
69 static void PrintEscapedString(const StringRef &Name,
71 for (unsigned i = 0, e = Name.size(); i != e; ++i) {
72 unsigned char C = Name[i];
73 if (isprint(C) && C != '\\' && C != '"')
76 Out << '\\' << hexdigit(C >> 4) << hexdigit(C & 0x0F);
87 /// PrintLLVMName - Turn the specified name into an 'LLVM name', which is either
88 /// prefixed with % (if the string only contains simple characters) or is
89 /// surrounded with ""'s (if it has special chars in it). Print it out.
90 static void PrintLLVMName(raw_ostream &OS, const StringRef &Name,
92 assert(Name.data() && "Cannot get empty name!");
94 default: llvm_unreachable("Bad prefix!");
96 case GlobalPrefix: OS << '@'; break;
97 case LabelPrefix: break;
98 case LocalPrefix: OS << '%'; break;
101 // Scan the name to see if it needs quotes first.
102 bool NeedsQuotes = isdigit(Name[0]);
104 for (unsigned i = 0, e = Name.size(); i != e; ++i) {
106 if (!isalnum(C) && C != '-' && C != '.' && C != '_') {
113 // If we didn't need any quotes, just write out the name in one blast.
119 // Okay, we need quotes. Output the quotes and escape any scary characters as
122 PrintEscapedString(Name, OS);
126 /// PrintLLVMName - Turn the specified name into an 'LLVM name', which is either
127 /// prefixed with % (if the string only contains simple characters) or is
128 /// surrounded with ""'s (if it has special chars in it). Print it out.
129 static void PrintLLVMName(raw_ostream &OS, const Value *V) {
130 PrintLLVMName(OS, V->getName(),
131 isa<GlobalValue>(V) ? GlobalPrefix : LocalPrefix);
134 //===----------------------------------------------------------------------===//
135 // TypePrinting Class: Type printing machinery
136 //===----------------------------------------------------------------------===//
138 static DenseMap<const Type *, std::string> &getTypeNamesMap(void *M) {
139 return *static_cast<DenseMap<const Type *, std::string>*>(M);
142 void TypePrinting::clear() {
143 getTypeNamesMap(TypeNames).clear();
146 bool TypePrinting::hasTypeName(const Type *Ty) const {
147 return getTypeNamesMap(TypeNames).count(Ty);
150 void TypePrinting::addTypeName(const Type *Ty, const std::string &N) {
151 getTypeNamesMap(TypeNames).insert(std::make_pair(Ty, N));
155 TypePrinting::TypePrinting() {
156 TypeNames = new DenseMap<const Type *, std::string>();
159 TypePrinting::~TypePrinting() {
160 delete &getTypeNamesMap(TypeNames);
163 /// CalcTypeName - Write the specified type to the specified raw_ostream, making
164 /// use of type names or up references to shorten the type name where possible.
165 void TypePrinting::CalcTypeName(const Type *Ty,
166 SmallVectorImpl<const Type *> &TypeStack,
167 raw_ostream &OS, bool IgnoreTopLevelName) {
168 // Check to see if the type is named.
169 if (!IgnoreTopLevelName) {
170 DenseMap<const Type *, std::string> &TM = getTypeNamesMap(TypeNames);
171 DenseMap<const Type *, std::string>::iterator I = TM.find(Ty);
178 // Check to see if the Type is already on the stack...
179 unsigned Slot = 0, CurSize = TypeStack.size();
180 while (Slot < CurSize && TypeStack[Slot] != Ty) ++Slot; // Scan for type
182 // This is another base case for the recursion. In this case, we know
183 // that we have looped back to a type that we have previously visited.
184 // Generate the appropriate upreference to handle this.
185 if (Slot < CurSize) {
186 OS << '\\' << unsigned(CurSize-Slot); // Here's the upreference
190 TypeStack.push_back(Ty); // Recursive case: Add us to the stack..
192 switch (Ty->getTypeID()) {
193 case Type::VoidTyID: OS << "void"; break;
194 case Type::FloatTyID: OS << "float"; break;
195 case Type::DoubleTyID: OS << "double"; break;
196 case Type::X86_FP80TyID: OS << "x86_fp80"; break;
197 case Type::FP128TyID: OS << "fp128"; break;
198 case Type::PPC_FP128TyID: OS << "ppc_fp128"; break;
199 case Type::LabelTyID: OS << "label"; break;
200 case Type::MetadataTyID: OS << "metadata"; break;
201 case Type::IntegerTyID:
202 OS << 'i' << cast<IntegerType>(Ty)->getBitWidth();
205 case Type::FunctionTyID: {
206 const FunctionType *FTy = cast<FunctionType>(Ty);
207 CalcTypeName(FTy->getReturnType(), TypeStack, OS);
209 for (FunctionType::param_iterator I = FTy->param_begin(),
210 E = FTy->param_end(); I != E; ++I) {
211 if (I != FTy->param_begin())
213 CalcTypeName(*I, TypeStack, OS);
215 if (FTy->isVarArg()) {
216 if (FTy->getNumParams()) OS << ", ";
222 case Type::StructTyID: {
223 const StructType *STy = cast<StructType>(Ty);
227 for (StructType::element_iterator I = STy->element_begin(),
228 E = STy->element_end(); I != E; ++I) {
229 CalcTypeName(*I, TypeStack, OS);
230 if (next(I) != STy->element_end())
239 case Type::PointerTyID: {
240 const PointerType *PTy = cast<PointerType>(Ty);
241 CalcTypeName(PTy->getElementType(), TypeStack, OS);
242 if (unsigned AddressSpace = PTy->getAddressSpace())
243 OS << " addrspace(" << AddressSpace << ')';
247 case Type::ArrayTyID: {
248 const ArrayType *ATy = cast<ArrayType>(Ty);
249 OS << '[' << ATy->getNumElements() << " x ";
250 CalcTypeName(ATy->getElementType(), TypeStack, OS);
254 case Type::VectorTyID: {
255 const VectorType *PTy = cast<VectorType>(Ty);
256 OS << "<" << PTy->getNumElements() << " x ";
257 CalcTypeName(PTy->getElementType(), TypeStack, OS);
261 case Type::OpaqueTyID:
265 OS << "<unrecognized-type>";
269 TypeStack.pop_back(); // Remove self from stack.
272 /// printTypeInt - The internal guts of printing out a type that has a
273 /// potentially named portion.
275 void TypePrinting::print(const Type *Ty, raw_ostream &OS,
276 bool IgnoreTopLevelName) {
277 // Check to see if the type is named.
278 DenseMap<const Type*, std::string> &TM = getTypeNamesMap(TypeNames);
279 if (!IgnoreTopLevelName) {
280 DenseMap<const Type*, std::string>::iterator I = TM.find(Ty);
287 // Otherwise we have a type that has not been named but is a derived type.
288 // Carefully recurse the type hierarchy to print out any contained symbolic
290 SmallVector<const Type *, 16> TypeStack;
291 std::string TypeName;
293 raw_string_ostream TypeOS(TypeName);
294 CalcTypeName(Ty, TypeStack, TypeOS, IgnoreTopLevelName);
297 // Cache type name for later use.
298 if (!IgnoreTopLevelName)
299 TM.insert(std::make_pair(Ty, TypeOS.str()));
304 // To avoid walking constant expressions multiple times and other IR
305 // objects, we keep several helper maps.
306 DenseSet<const Value*> VisitedConstants;
307 DenseSet<const Type*> VisitedTypes;
310 std::vector<const Type*> &NumberedTypes;
312 TypeFinder(TypePrinting &tp, std::vector<const Type*> &numberedTypes)
313 : TP(tp), NumberedTypes(numberedTypes) {}
315 void Run(const Module &M) {
316 // Get types from the type symbol table. This gets opaque types referened
317 // only through derived named types.
318 const TypeSymbolTable &ST = M.getTypeSymbolTable();
319 for (TypeSymbolTable::const_iterator TI = ST.begin(), E = ST.end();
321 IncorporateType(TI->second);
323 // Get types from global variables.
324 for (Module::const_global_iterator I = M.global_begin(),
325 E = M.global_end(); I != E; ++I) {
326 IncorporateType(I->getType());
327 if (I->hasInitializer())
328 IncorporateValue(I->getInitializer());
331 // Get types from aliases.
332 for (Module::const_alias_iterator I = M.alias_begin(),
333 E = M.alias_end(); I != E; ++I) {
334 IncorporateType(I->getType());
335 IncorporateValue(I->getAliasee());
338 // Get types from functions.
339 for (Module::const_iterator FI = M.begin(), E = M.end(); FI != E; ++FI) {
340 IncorporateType(FI->getType());
342 for (Function::const_iterator BB = FI->begin(), E = FI->end();
344 for (BasicBlock::const_iterator II = BB->begin(),
345 E = BB->end(); II != E; ++II) {
346 const Instruction &I = *II;
347 // Incorporate the type of the instruction and all its operands.
348 IncorporateType(I.getType());
349 for (User::const_op_iterator OI = I.op_begin(), OE = I.op_end();
351 IncorporateValue(*OI);
357 void IncorporateType(const Type *Ty) {
358 // Check to see if we're already visited this type.
359 if (!VisitedTypes.insert(Ty).second)
362 // If this is a structure or opaque type, add a name for the type.
363 if (((isa<StructType>(Ty) && cast<StructType>(Ty)->getNumElements())
364 || isa<OpaqueType>(Ty)) && !TP.hasTypeName(Ty)) {
365 TP.addTypeName(Ty, "%"+utostr(unsigned(NumberedTypes.size())));
366 NumberedTypes.push_back(Ty);
369 // Recursively walk all contained types.
370 for (Type::subtype_iterator I = Ty->subtype_begin(),
371 E = Ty->subtype_end(); I != E; ++I)
375 /// IncorporateValue - This method is used to walk operand lists finding
376 /// types hiding in constant expressions and other operands that won't be
377 /// walked in other ways. GlobalValues, basic blocks, instructions, and
378 /// inst operands are all explicitly enumerated.
379 void IncorporateValue(const Value *V) {
380 if (V == 0 || !isa<Constant>(V) || isa<GlobalValue>(V)) return;
383 if (!VisitedConstants.insert(V).second)
387 IncorporateType(V->getType());
389 // Look in operands for types.
390 const Constant *C = cast<Constant>(V);
391 for (Constant::const_op_iterator I = C->op_begin(),
392 E = C->op_end(); I != E;++I)
393 IncorporateValue(*I);
396 } // end anonymous namespace
399 /// AddModuleTypesToPrinter - Add all of the symbolic type names for types in
400 /// the specified module to the TypePrinter and all numbered types to it and the
401 /// NumberedTypes table.
402 static void AddModuleTypesToPrinter(TypePrinting &TP,
403 std::vector<const Type*> &NumberedTypes,
407 // If the module has a symbol table, take all global types and stuff their
408 // names into the TypeNames map.
409 const TypeSymbolTable &ST = M->getTypeSymbolTable();
410 for (TypeSymbolTable::const_iterator TI = ST.begin(), E = ST.end();
412 const Type *Ty = cast<Type>(TI->second);
414 // As a heuristic, don't insert pointer to primitive types, because
415 // they are used too often to have a single useful name.
416 if (const PointerType *PTy = dyn_cast<PointerType>(Ty)) {
417 const Type *PETy = PTy->getElementType();
418 if ((PETy->isPrimitiveType() || PETy->isInteger()) &&
419 !isa<OpaqueType>(PETy))
423 // Likewise don't insert primitives either.
424 if (Ty->isInteger() || Ty->isPrimitiveType())
427 // Get the name as a string and insert it into TypeNames.
429 raw_string_ostream NameROS(NameStr);
430 formatted_raw_ostream NameOS(NameROS);
431 PrintLLVMName(NameOS, TI->first, LocalPrefix);
433 TP.addTypeName(Ty, NameStr);
436 // Walk the entire module to find references to unnamed structure and opaque
437 // types. This is required for correctness by opaque types (because multiple
438 // uses of an unnamed opaque type needs to be referred to by the same ID) and
439 // it shrinks complex recursive structure types substantially in some cases.
440 TypeFinder(TP, NumberedTypes).Run(*M);
444 /// WriteTypeSymbolic - This attempts to write the specified type as a symbolic
445 /// type, iff there is an entry in the modules symbol table for the specified
446 /// type or one of it's component types.
448 void llvm::WriteTypeSymbolic(raw_ostream &OS, const Type *Ty, const Module *M) {
449 TypePrinting Printer;
450 std::vector<const Type*> NumberedTypes;
451 AddModuleTypesToPrinter(Printer, NumberedTypes, M);
452 Printer.print(Ty, OS);
455 //===----------------------------------------------------------------------===//
456 // SlotTracker Class: Enumerate slot numbers for unnamed values
457 //===----------------------------------------------------------------------===//
461 /// This class provides computation of slot numbers for LLVM Assembly writing.
465 /// ValueMap - A mapping of Values to slot numbers.
466 typedef DenseMap<const Value*, unsigned> ValueMap;
469 /// TheModule - The module for which we are holding slot numbers.
470 const Module* TheModule;
472 /// TheFunction - The function for which we are holding slot numbers.
473 const Function* TheFunction;
474 bool FunctionProcessed;
476 /// TheMDNode - The MDNode for which we are holding slot numbers.
477 const MDNode *TheMDNode;
479 /// TheNamedMDNode - The MDNode for which we are holding slot numbers.
480 const NamedMDNode *TheNamedMDNode;
482 /// mMap - The TypePlanes map for the module level data.
486 /// fMap - The TypePlanes map for the function level data.
490 /// mdnMap - Map for MDNodes.
494 /// Construct from a module
495 explicit SlotTracker(const Module *M);
496 /// Construct from a function, starting out in incorp state.
497 explicit SlotTracker(const Function *F);
498 /// Construct from a mdnode.
499 explicit SlotTracker(const MDNode *N);
500 /// Construct from a named mdnode.
501 explicit SlotTracker(const NamedMDNode *N);
503 /// Return the slot number of the specified value in it's type
504 /// plane. If something is not in the SlotTracker, return -1.
505 int getLocalSlot(const Value *V);
506 int getGlobalSlot(const GlobalValue *V);
507 int getMetadataSlot(const MDNode *N);
509 /// If you'd like to deal with a function instead of just a module, use
510 /// this method to get its data into the SlotTracker.
511 void incorporateFunction(const Function *F) {
513 FunctionProcessed = false;
516 /// After calling incorporateFunction, use this method to remove the
517 /// most recently incorporated function from the SlotTracker. This
518 /// will reset the state of the machine back to just the module contents.
519 void purgeFunction();
521 /// MDNode map iterators.
522 ValueMap::iterator mdnBegin() { return mdnMap.begin(); }
523 ValueMap::iterator mdnEnd() { return mdnMap.end(); }
524 unsigned mdnSize() const { return mdnMap.size(); }
525 bool mdnEmpty() const { return mdnMap.empty(); }
527 /// This function does the actual initialization.
528 inline void initialize();
530 // Implementation Details
532 /// CreateModuleSlot - Insert the specified GlobalValue* into the slot table.
533 void CreateModuleSlot(const GlobalValue *V);
535 /// CreateMetadataSlot - Insert the specified MDNode* into the slot table.
536 void CreateMetadataSlot(const MDNode *N);
538 /// CreateFunctionSlot - Insert the specified Value* into the slot table.
539 void CreateFunctionSlot(const Value *V);
541 /// Add all of the module level global variables (and their initializers)
542 /// and function declarations, but not the contents of those functions.
543 void processModule();
545 /// Add all of the functions arguments, basic blocks, and instructions.
546 void processFunction();
548 /// Add all MDNode operands.
549 void processMDNode();
551 /// Add all MDNode operands.
552 void processNamedMDNode();
554 SlotTracker(const SlotTracker &); // DO NOT IMPLEMENT
555 void operator=(const SlotTracker &); // DO NOT IMPLEMENT
558 } // end anonymous namespace
561 static SlotTracker *createSlotTracker(const Value *V) {
562 if (const Argument *FA = dyn_cast<Argument>(V))
563 return new SlotTracker(FA->getParent());
565 if (const Instruction *I = dyn_cast<Instruction>(V))
566 return new SlotTracker(I->getParent()->getParent());
568 if (const BasicBlock *BB = dyn_cast<BasicBlock>(V))
569 return new SlotTracker(BB->getParent());
571 if (const GlobalVariable *GV = dyn_cast<GlobalVariable>(V))
572 return new SlotTracker(GV->getParent());
574 if (const GlobalAlias *GA = dyn_cast<GlobalAlias>(V))
575 return new SlotTracker(GA->getParent());
577 if (const Function *Func = dyn_cast<Function>(V))
578 return new SlotTracker(Func);
584 #define ST_DEBUG(X) errs() << X
589 // Module level constructor. Causes the contents of the Module (sans functions)
590 // to be added to the slot table.
591 SlotTracker::SlotTracker(const Module *M)
592 : TheModule(M), TheFunction(0), FunctionProcessed(false), TheMDNode(0),
593 TheNamedMDNode(0), mNext(0), fNext(0), mdnNext(0) {
596 // Function level constructor. Causes the contents of the Module and the one
597 // function provided to be added to the slot table.
598 SlotTracker::SlotTracker(const Function *F)
599 : TheModule(F ? F->getParent() : 0), TheFunction(F), FunctionProcessed(false),
600 TheMDNode(0), TheNamedMDNode(0), mNext(0), fNext(0), mdnNext(0) {
603 // Constructor to handle single MDNode.
604 SlotTracker::SlotTracker(const MDNode *C)
605 : TheModule(0), TheFunction(0), FunctionProcessed(false), TheMDNode(C),
606 TheNamedMDNode(0), mNext(0), fNext(0), mdnNext(0) {
609 // Constructor to handle single NamedMDNode.
610 SlotTracker::SlotTracker(const NamedMDNode *N)
611 : TheModule(0), TheFunction(0), FunctionProcessed(false), TheMDNode(0),
612 TheNamedMDNode(N), mNext(0), fNext(0), mdnNext(0) {
615 inline void SlotTracker::initialize() {
618 TheModule = 0; ///< Prevent re-processing next time we're called.
621 if (TheFunction && !FunctionProcessed)
628 processNamedMDNode();
631 // Iterate through all the global variables, functions, and global
632 // variable initializers and create slots for them.
633 void SlotTracker::processModule() {
634 ST_DEBUG("begin processModule!\n");
636 // Add all of the unnamed global variables to the value table.
637 for (Module::const_global_iterator I = TheModule->global_begin(),
638 E = TheModule->global_end(); I != E; ++I) {
641 if (I->hasInitializer()) {
642 if (MDNode *N = dyn_cast<MDNode>(I->getInitializer()))
643 CreateMetadataSlot(N);
647 // Add metadata used by named metadata.
648 for (Module::const_named_metadata_iterator
649 I = TheModule->named_metadata_begin(),
650 E = TheModule->named_metadata_end(); I != E; ++I) {
651 const NamedMDNode *NMD = I;
652 for (unsigned i = 0, e = NMD->getNumElements(); i != e; ++i) {
653 MDNode *MD = dyn_cast_or_null<MDNode>(NMD->getElement(i));
655 CreateMetadataSlot(MD);
659 // Add all the unnamed functions to the table.
660 for (Module::const_iterator I = TheModule->begin(), E = TheModule->end();
665 ST_DEBUG("end processModule!\n");
668 // Process the arguments, basic blocks, and instructions of a function.
669 void SlotTracker::processFunction() {
670 ST_DEBUG("begin processFunction!\n");
673 // Add all the function arguments with no names.
674 for(Function::const_arg_iterator AI = TheFunction->arg_begin(),
675 AE = TheFunction->arg_end(); AI != AE; ++AI)
677 CreateFunctionSlot(AI);
679 ST_DEBUG("Inserting Instructions:\n");
681 SmallVector<std::pair<unsigned, MDNode*>, 2> MDForInst;
683 // Add all of the basic blocks and instructions with no names.
684 for (Function::const_iterator BB = TheFunction->begin(),
685 E = TheFunction->end(); BB != E; ++BB) {
687 CreateFunctionSlot(BB);
689 for (BasicBlock::const_iterator I = BB->begin(), E = BB->end(); I != E;
691 if (!I->getType()->isVoidTy() && !I->hasName())
692 CreateFunctionSlot(I);
694 // Intrinsics can directly use metadata.
695 if (isa<IntrinsicInst>(I))
696 for (unsigned i = 0, e = I->getNumOperands(); i != e; ++i)
697 if (MDNode *N = dyn_cast_or_null<MDNode>(I->getOperand(i)))
698 CreateMetadataSlot(N);
700 // Process metadata attached with this instruction.
702 I->getAllMetadata(MDForInst);
703 for (unsigned i = 0, e = MDForInst.size(); i != e; ++i)
704 CreateMetadataSlot(MDForInst[i].second);
708 FunctionProcessed = true;
710 ST_DEBUG("end processFunction!\n");
713 /// processMDNode - Process TheMDNode.
714 void SlotTracker::processMDNode() {
715 ST_DEBUG("begin processMDNode!\n");
717 CreateMetadataSlot(TheMDNode);
719 ST_DEBUG("end processMDNode!\n");
722 /// processNamedMDNode - Process TheNamedMDNode.
723 void SlotTracker::processNamedMDNode() {
724 ST_DEBUG("begin processNamedMDNode!\n");
726 for (unsigned i = 0, e = TheNamedMDNode->getNumElements(); i != e; ++i) {
727 MDNode *MD = dyn_cast_or_null<MDNode>(TheNamedMDNode->getElement(i));
729 CreateMetadataSlot(MD);
732 ST_DEBUG("end processNamedMDNode!\n");
735 /// Clean up after incorporating a function. This is the only way to get out of
736 /// the function incorporation state that affects get*Slot/Create*Slot. Function
737 /// incorporation state is indicated by TheFunction != 0.
738 void SlotTracker::purgeFunction() {
739 ST_DEBUG("begin purgeFunction!\n");
740 fMap.clear(); // Simply discard the function level map
742 FunctionProcessed = false;
743 ST_DEBUG("end purgeFunction!\n");
746 /// getGlobalSlot - Get the slot number of a global value.
747 int SlotTracker::getGlobalSlot(const GlobalValue *V) {
748 // Check for uninitialized state and do lazy initialization.
751 // Find the type plane in the module map
752 ValueMap::iterator MI = mMap.find(V);
753 return MI == mMap.end() ? -1 : (int)MI->second;
756 /// getGlobalSlot - Get the slot number of a MDNode.
757 int SlotTracker::getMetadataSlot(const MDNode *N) {
758 // Check for uninitialized state and do lazy initialization.
761 // Find the type plane in the module map
762 ValueMap::iterator MI = mdnMap.find(N);
763 return MI == mdnMap.end() ? -1 : (int)MI->second;
767 /// getLocalSlot - Get the slot number for a value that is local to a function.
768 int SlotTracker::getLocalSlot(const Value *V) {
769 assert(!isa<Constant>(V) && "Can't get a constant or global slot with this!");
771 // Check for uninitialized state and do lazy initialization.
774 ValueMap::iterator FI = fMap.find(V);
775 return FI == fMap.end() ? -1 : (int)FI->second;
779 /// CreateModuleSlot - Insert the specified GlobalValue* into the slot table.
780 void SlotTracker::CreateModuleSlot(const GlobalValue *V) {
781 assert(V && "Can't insert a null Value into SlotTracker!");
782 assert(V->getType() != Type::getVoidTy(V->getContext()) &&
783 "Doesn't need a slot!");
784 assert(!V->hasName() && "Doesn't need a slot!");
786 unsigned DestSlot = mNext++;
789 ST_DEBUG(" Inserting value [" << V->getType() << "] = " << V << " slot=" <<
791 // G = Global, F = Function, A = Alias, o = other
792 ST_DEBUG((isa<GlobalVariable>(V) ? 'G' :
793 (isa<Function>(V) ? 'F' :
794 (isa<GlobalAlias>(V) ? 'A' : 'o'))) << "]\n");
797 /// CreateSlot - Create a new slot for the specified value if it has no name.
798 void SlotTracker::CreateFunctionSlot(const Value *V) {
799 assert(V->getType() != Type::getVoidTy(TheFunction->getContext()) &&
800 !V->hasName() && "Doesn't need a slot!");
802 unsigned DestSlot = fNext++;
805 // G = Global, F = Function, o = other
806 ST_DEBUG(" Inserting value [" << V->getType() << "] = " << V << " slot=" <<
807 DestSlot << " [o]\n");
810 /// CreateModuleSlot - Insert the specified MDNode* into the slot table.
811 void SlotTracker::CreateMetadataSlot(const MDNode *N) {
812 assert(N && "Can't insert a null Value into SlotTracker!");
814 // Don't insert if N is a function-local metadata.
815 if (N->isFunctionLocal())
818 ValueMap::iterator I = mdnMap.find(N);
819 if (I != mdnMap.end())
822 unsigned DestSlot = mdnNext++;
823 mdnMap[N] = DestSlot;
825 for (unsigned i = 0, e = N->getNumElements(); i != e; ++i) {
826 const Value *TV = N->getElement(i);
828 if (const MDNode *N2 = dyn_cast<MDNode>(TV))
829 CreateMetadataSlot(N2);
833 //===----------------------------------------------------------------------===//
834 // AsmWriter Implementation
835 //===----------------------------------------------------------------------===//
837 static void WriteAsOperandInternal(raw_ostream &Out, const Value *V,
838 TypePrinting *TypePrinter,
839 SlotTracker *Machine);
843 static const char *getPredicateText(unsigned predicate) {
844 const char * pred = "unknown";
846 case FCmpInst::FCMP_FALSE: pred = "false"; break;
847 case FCmpInst::FCMP_OEQ: pred = "oeq"; break;
848 case FCmpInst::FCMP_OGT: pred = "ogt"; break;
849 case FCmpInst::FCMP_OGE: pred = "oge"; break;
850 case FCmpInst::FCMP_OLT: pred = "olt"; break;
851 case FCmpInst::FCMP_OLE: pred = "ole"; break;
852 case FCmpInst::FCMP_ONE: pred = "one"; break;
853 case FCmpInst::FCMP_ORD: pred = "ord"; break;
854 case FCmpInst::FCMP_UNO: pred = "uno"; break;
855 case FCmpInst::FCMP_UEQ: pred = "ueq"; break;
856 case FCmpInst::FCMP_UGT: pred = "ugt"; break;
857 case FCmpInst::FCMP_UGE: pred = "uge"; break;
858 case FCmpInst::FCMP_ULT: pred = "ult"; break;
859 case FCmpInst::FCMP_ULE: pred = "ule"; break;
860 case FCmpInst::FCMP_UNE: pred = "une"; break;
861 case FCmpInst::FCMP_TRUE: pred = "true"; break;
862 case ICmpInst::ICMP_EQ: pred = "eq"; break;
863 case ICmpInst::ICMP_NE: pred = "ne"; break;
864 case ICmpInst::ICMP_SGT: pred = "sgt"; break;
865 case ICmpInst::ICMP_SGE: pred = "sge"; break;
866 case ICmpInst::ICMP_SLT: pred = "slt"; break;
867 case ICmpInst::ICMP_SLE: pred = "sle"; break;
868 case ICmpInst::ICMP_UGT: pred = "ugt"; break;
869 case ICmpInst::ICMP_UGE: pred = "uge"; break;
870 case ICmpInst::ICMP_ULT: pred = "ult"; break;
871 case ICmpInst::ICMP_ULE: pred = "ule"; break;
876 static void WriteMDNodeComment(const MDNode *Node,
877 formatted_raw_ostream &Out) {
878 if (Node->getNumElements() < 1)
880 ConstantInt *CI = dyn_cast_or_null<ConstantInt>(Node->getElement(0));
882 unsigned Val = CI->getZExtValue();
883 unsigned Tag = Val & ~LLVMDebugVersionMask;
884 if (Val >= LLVMDebugVersion) {
885 if (Tag == dwarf::DW_TAG_auto_variable)
886 Out << "; [ DW_TAG_auto_variable ]";
887 else if (Tag == dwarf::DW_TAG_arg_variable)
888 Out << "; [ DW_TAG_arg_variable ]";
889 else if (Tag == dwarf::DW_TAG_return_variable)
890 Out << "; [ DW_TAG_return_variable ]";
891 else if (Tag == dwarf::DW_TAG_vector_type)
892 Out << "; [ DW_TAG_vector_type ]";
893 else if (Tag == dwarf::DW_TAG_user_base)
894 Out << "; [ DW_TAG_user_base ]";
896 Out << "; [" << dwarf::TagString(Tag) << " ]";
900 static void WriteMDNodes(formatted_raw_ostream &Out, TypePrinting &TypePrinter,
901 SlotTracker &Machine) {
902 SmallVector<const MDNode *, 16> Nodes;
903 Nodes.resize(Machine.mdnSize());
904 for (SlotTracker::ValueMap::iterator I =
905 Machine.mdnBegin(), E = Machine.mdnEnd(); I != E; ++I)
906 Nodes[I->second] = cast<MDNode>(I->first);
908 for (unsigned i = 0, e = Nodes.size(); i != e; ++i) {
909 Out << '!' << i << " = metadata ";
910 const MDNode *Node = Nodes[i];
912 for (unsigned mi = 0, me = Node->getNumElements(); mi != me; ++mi) {
913 const Value *V = Node->getElement(mi);
916 else if (const MDNode *N = dyn_cast<MDNode>(V)) {
918 Out << '!' << Machine.getMetadataSlot(N);
921 TypePrinter.print(V->getType(), Out);
923 WriteAsOperandInternal(Out, Node->getElement(mi),
924 &TypePrinter, &Machine);
931 WriteMDNodeComment(Node, Out);
936 static void WriteOptimizationInfo(raw_ostream &Out, const User *U) {
937 if (const OverflowingBinaryOperator *OBO =
938 dyn_cast<OverflowingBinaryOperator>(U)) {
939 if (OBO->hasNoUnsignedWrap())
941 if (OBO->hasNoSignedWrap())
943 } else if (const SDivOperator *Div = dyn_cast<SDivOperator>(U)) {
946 } else if (const GEPOperator *GEP = dyn_cast<GEPOperator>(U)) {
947 if (GEP->isInBounds())
952 static void WriteConstantInt(raw_ostream &Out, const Constant *CV,
953 TypePrinting &TypePrinter, SlotTracker *Machine) {
954 if (const ConstantInt *CI = dyn_cast<ConstantInt>(CV)) {
955 if (CI->getType() == Type::getInt1Ty(CV->getContext())) {
956 Out << (CI->getZExtValue() ? "true" : "false");
959 Out << CI->getValue();
963 if (const ConstantFP *CFP = dyn_cast<ConstantFP>(CV)) {
964 if (&CFP->getValueAPF().getSemantics() == &APFloat::IEEEdouble ||
965 &CFP->getValueAPF().getSemantics() == &APFloat::IEEEsingle) {
966 // We would like to output the FP constant value in exponential notation,
967 // but we cannot do this if doing so will lose precision. Check here to
968 // make sure that we only output it in exponential format if we can parse
969 // the value back and get the same value.
972 bool isDouble = &CFP->getValueAPF().getSemantics()==&APFloat::IEEEdouble;
973 double Val = isDouble ? CFP->getValueAPF().convertToDouble() :
974 CFP->getValueAPF().convertToFloat();
975 std::string StrVal = ftostr(CFP->getValueAPF());
977 // Check to make sure that the stringized number is not some string like
978 // "Inf" or NaN, that atof will accept, but the lexer will not. Check
979 // that the string matches the "[-+]?[0-9]" regex.
981 if ((StrVal[0] >= '0' && StrVal[0] <= '9') ||
982 ((StrVal[0] == '-' || StrVal[0] == '+') &&
983 (StrVal[1] >= '0' && StrVal[1] <= '9'))) {
984 // Reparse stringized version!
985 if (atof(StrVal.c_str()) == Val) {
990 // Otherwise we could not reparse it to exactly the same value, so we must
991 // output the string in hexadecimal format! Note that loading and storing
992 // floating point types changes the bits of NaNs on some hosts, notably
993 // x86, so we must not use these types.
994 assert(sizeof(double) == sizeof(uint64_t) &&
995 "assuming that double is 64 bits!");
997 APFloat apf = CFP->getValueAPF();
998 // Floats are represented in ASCII IR as double, convert.
1000 apf.convert(APFloat::IEEEdouble, APFloat::rmNearestTiesToEven,
1003 utohex_buffer(uint64_t(apf.bitcastToAPInt().getZExtValue()),
1008 // Some form of long double. These appear as a magic letter identifying
1009 // the type, then a fixed number of hex digits.
1011 if (&CFP->getValueAPF().getSemantics() == &APFloat::x87DoubleExtended) {
1013 // api needed to prevent premature destruction
1014 APInt api = CFP->getValueAPF().bitcastToAPInt();
1015 const uint64_t* p = api.getRawData();
1016 uint64_t word = p[1];
1018 int width = api.getBitWidth();
1019 for (int j=0; j<width; j+=4, shiftcount-=4) {
1020 unsigned int nibble = (word>>shiftcount) & 15;
1022 Out << (unsigned char)(nibble + '0');
1024 Out << (unsigned char)(nibble - 10 + 'A');
1025 if (shiftcount == 0 && j+4 < width) {
1029 shiftcount = width-j-4;
1033 } else if (&CFP->getValueAPF().getSemantics() == &APFloat::IEEEquad)
1035 else if (&CFP->getValueAPF().getSemantics() == &APFloat::PPCDoubleDouble)
1038 llvm_unreachable("Unsupported floating point type");
1039 // api needed to prevent premature destruction
1040 APInt api = CFP->getValueAPF().bitcastToAPInt();
1041 const uint64_t* p = api.getRawData();
1044 int width = api.getBitWidth();
1045 for (int j=0; j<width; j+=4, shiftcount-=4) {
1046 unsigned int nibble = (word>>shiftcount) & 15;
1048 Out << (unsigned char)(nibble + '0');
1050 Out << (unsigned char)(nibble - 10 + 'A');
1051 if (shiftcount == 0 && j+4 < width) {
1055 shiftcount = width-j-4;
1061 if (isa<ConstantAggregateZero>(CV)) {
1062 Out << "zeroinitializer";
1066 if (const BlockAddress *BA = dyn_cast<BlockAddress>(CV)) {
1067 Out << "blockaddress(";
1068 WriteAsOperandInternal(Out, BA->getFunction(), &TypePrinter, Machine);
1070 WriteAsOperandInternal(Out, BA->getBasicBlock(), &TypePrinter, Machine);
1075 if (const ConstantArray *CA = dyn_cast<ConstantArray>(CV)) {
1076 // As a special case, print the array as a string if it is an array of
1077 // i8 with ConstantInt values.
1079 const Type *ETy = CA->getType()->getElementType();
1080 if (CA->isString()) {
1082 PrintEscapedString(CA->getAsString(), Out);
1084 } else { // Cannot output in string format...
1086 if (CA->getNumOperands()) {
1087 TypePrinter.print(ETy, Out);
1089 WriteAsOperandInternal(Out, CA->getOperand(0),
1090 &TypePrinter, Machine);
1091 for (unsigned i = 1, e = CA->getNumOperands(); i != e; ++i) {
1093 TypePrinter.print(ETy, Out);
1095 WriteAsOperandInternal(Out, CA->getOperand(i), &TypePrinter, Machine);
1103 if (const ConstantStruct *CS = dyn_cast<ConstantStruct>(CV)) {
1104 if (CS->getType()->isPacked())
1107 unsigned N = CS->getNumOperands();
1110 TypePrinter.print(CS->getOperand(0)->getType(), Out);
1113 WriteAsOperandInternal(Out, CS->getOperand(0), &TypePrinter, Machine);
1115 for (unsigned i = 1; i < N; i++) {
1117 TypePrinter.print(CS->getOperand(i)->getType(), Out);
1120 WriteAsOperandInternal(Out, CS->getOperand(i), &TypePrinter, Machine);
1126 if (CS->getType()->isPacked())
1131 if (const ConstantVector *CP = dyn_cast<ConstantVector>(CV)) {
1132 const Type *ETy = CP->getType()->getElementType();
1133 assert(CP->getNumOperands() > 0 &&
1134 "Number of operands for a PackedConst must be > 0");
1136 TypePrinter.print(ETy, Out);
1138 WriteAsOperandInternal(Out, CP->getOperand(0), &TypePrinter, Machine);
1139 for (unsigned i = 1, e = CP->getNumOperands(); i != e; ++i) {
1141 TypePrinter.print(ETy, Out);
1143 WriteAsOperandInternal(Out, CP->getOperand(i), &TypePrinter, Machine);
1149 if (isa<ConstantPointerNull>(CV)) {
1154 if (isa<UndefValue>(CV)) {
1159 if (const MDNode *Node = dyn_cast<MDNode>(CV)) {
1160 Out << "!" << Machine->getMetadataSlot(Node);
1164 if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(CV)) {
1165 Out << CE->getOpcodeName();
1166 WriteOptimizationInfo(Out, CE);
1167 if (CE->isCompare())
1168 Out << ' ' << getPredicateText(CE->getPredicate());
1171 for (User::const_op_iterator OI=CE->op_begin(); OI != CE->op_end(); ++OI) {
1172 TypePrinter.print((*OI)->getType(), Out);
1174 WriteAsOperandInternal(Out, *OI, &TypePrinter, Machine);
1175 if (OI+1 != CE->op_end())
1179 if (CE->hasIndices()) {
1180 const SmallVector<unsigned, 4> &Indices = CE->getIndices();
1181 for (unsigned i = 0, e = Indices.size(); i != e; ++i)
1182 Out << ", " << Indices[i];
1187 TypePrinter.print(CE->getType(), Out);
1194 Out << "<placeholder or erroneous Constant>";
1198 /// WriteAsOperand - Write the name of the specified value out to the specified
1199 /// ostream. This can be useful when you just want to print int %reg126, not
1200 /// the whole instruction that generated it.
1202 static void WriteAsOperandInternal(raw_ostream &Out, const Value *V,
1203 TypePrinting *TypePrinter,
1204 SlotTracker *Machine) {
1206 PrintLLVMName(Out, V);
1210 const Constant *CV = dyn_cast<Constant>(V);
1211 if (CV && !isa<GlobalValue>(CV)) {
1212 assert(TypePrinter && "Constants require TypePrinting!");
1213 WriteConstantInt(Out, CV, *TypePrinter, Machine);
1217 if (const InlineAsm *IA = dyn_cast<InlineAsm>(V)) {
1219 if (IA->hasSideEffects())
1220 Out << "sideeffect ";
1221 if (IA->isAlignStack())
1222 Out << "alignstack ";
1224 PrintEscapedString(IA->getAsmString(), Out);
1226 PrintEscapedString(IA->getConstraintString(), Out);
1231 if (const MDNode *N = dyn_cast<MDNode>(V)) {
1232 if (N->isFunctionLocal()) {
1233 // Print metadata inline, not via slot reference number.
1235 for (unsigned mi = 0, me = N->getNumElements(); mi != me; ++mi) {
1236 const Value *Val = N->getElement(mi);
1240 TypePrinter->print(N->getElement(0)->getType(), Out);
1242 WriteAsOperandInternal(Out, N->getElement(0), TypePrinter, Machine);
1251 Out << '!' << Machine->getMetadataSlot(N);
1255 if (const MDString *MDS = dyn_cast<MDString>(V)) {
1257 PrintEscapedString(MDS->getString(), Out);
1262 if (V->getValueID() == Value::PseudoSourceValueVal ||
1263 V->getValueID() == Value::FixedStackPseudoSourceValueVal) {
1271 if (const GlobalValue *GV = dyn_cast<GlobalValue>(V)) {
1272 Slot = Machine->getGlobalSlot(GV);
1275 Slot = Machine->getLocalSlot(V);
1278 Machine = createSlotTracker(V);
1280 if (const GlobalValue *GV = dyn_cast<GlobalValue>(V)) {
1281 Slot = Machine->getGlobalSlot(GV);
1284 Slot = Machine->getLocalSlot(V);
1293 Out << Prefix << Slot;
1298 void llvm::WriteAsOperand(raw_ostream &Out, const Value *V,
1299 bool PrintType, const Module *Context) {
1301 // Fast path: Don't construct and populate a TypePrinting object if we
1302 // won't be needing any types printed.
1304 (!isa<Constant>(V) || V->hasName() || isa<GlobalValue>(V))) {
1305 WriteAsOperandInternal(Out, V, 0, 0);
1309 if (Context == 0) Context = getModuleFromVal(V);
1311 TypePrinting TypePrinter;
1312 std::vector<const Type*> NumberedTypes;
1313 AddModuleTypesToPrinter(TypePrinter, NumberedTypes, Context);
1315 TypePrinter.print(V->getType(), Out);
1319 WriteAsOperandInternal(Out, V, &TypePrinter, 0);
1324 class AssemblyWriter {
1325 formatted_raw_ostream &Out;
1326 SlotTracker &Machine;
1327 const Module *TheModule;
1328 TypePrinting TypePrinter;
1329 AssemblyAnnotationWriter *AnnotationWriter;
1330 std::vector<const Type*> NumberedTypes;
1331 SmallVector<StringRef, 8> MDNames;
1334 inline AssemblyWriter(formatted_raw_ostream &o, SlotTracker &Mac,
1336 AssemblyAnnotationWriter *AAW)
1337 : Out(o), Machine(Mac), TheModule(M), AnnotationWriter(AAW) {
1338 AddModuleTypesToPrinter(TypePrinter, NumberedTypes, M);
1339 // FIXME: Provide MDPrinter
1341 M->getContext().getMetadata().getMDKindNames(MDNames);
1344 void write(const Module *M) { printModule(M); }
1346 void write(const GlobalValue *G) {
1347 if (const GlobalVariable *GV = dyn_cast<GlobalVariable>(G))
1349 else if (const GlobalAlias *GA = dyn_cast<GlobalAlias>(G))
1351 else if (const Function *F = dyn_cast<Function>(G))
1354 llvm_unreachable("Unknown global");
1357 void write(const BasicBlock *BB) { printBasicBlock(BB); }
1358 void write(const Instruction *I) { printInstruction(*I); }
1360 void writeOperand(const Value *Op, bool PrintType);
1361 void writeParamOperand(const Value *Operand, Attributes Attrs);
1364 void printModule(const Module *M);
1365 void printTypeSymbolTable(const TypeSymbolTable &ST);
1366 void printGlobal(const GlobalVariable *GV);
1367 void printAlias(const GlobalAlias *GV);
1368 void printFunction(const Function *F);
1369 void printArgument(const Argument *FA, Attributes Attrs);
1370 void printBasicBlock(const BasicBlock *BB);
1371 void printInstruction(const Instruction &I);
1373 // printInfoComment - Print a little comment after the instruction indicating
1374 // which slot it occupies.
1375 void printInfoComment(const Value &V);
1377 } // end of anonymous namespace
1380 void AssemblyWriter::writeOperand(const Value *Operand, bool PrintType) {
1382 Out << "<null operand!>";
1385 TypePrinter.print(Operand->getType(), Out);
1388 WriteAsOperandInternal(Out, Operand, &TypePrinter, &Machine);
1392 void AssemblyWriter::writeParamOperand(const Value *Operand,
1395 Out << "<null operand!>";
1398 TypePrinter.print(Operand->getType(), Out);
1399 // Print parameter attributes list
1400 if (Attrs != Attribute::None)
1401 Out << ' ' << Attribute::getAsString(Attrs);
1403 // Print the operand
1404 WriteAsOperandInternal(Out, Operand, &TypePrinter, &Machine);
1408 void AssemblyWriter::printModule(const Module *M) {
1409 if (!M->getModuleIdentifier().empty() &&
1410 // Don't print the ID if it will start a new line (which would
1411 // require a comment char before it).
1412 M->getModuleIdentifier().find('\n') == std::string::npos)
1413 Out << "; ModuleID = '" << M->getModuleIdentifier() << "'\n";
1415 if (!M->getDataLayout().empty())
1416 Out << "target datalayout = \"" << M->getDataLayout() << "\"\n";
1417 if (!M->getTargetTriple().empty())
1418 Out << "target triple = \"" << M->getTargetTriple() << "\"\n";
1420 if (!M->getModuleInlineAsm().empty()) {
1421 // Split the string into lines, to make it easier to read the .ll file.
1422 std::string Asm = M->getModuleInlineAsm();
1424 size_t NewLine = Asm.find_first_of('\n', CurPos);
1426 while (NewLine != std::string::npos) {
1427 // We found a newline, print the portion of the asm string from the
1428 // last newline up to this newline.
1429 Out << "module asm \"";
1430 PrintEscapedString(std::string(Asm.begin()+CurPos, Asm.begin()+NewLine),
1434 NewLine = Asm.find_first_of('\n', CurPos);
1436 Out << "module asm \"";
1437 PrintEscapedString(std::string(Asm.begin()+CurPos, Asm.end()), Out);
1441 // Loop over the dependent libraries and emit them.
1442 Module::lib_iterator LI = M->lib_begin();
1443 Module::lib_iterator LE = M->lib_end();
1446 Out << "deplibs = [ ";
1448 Out << '"' << *LI << '"';
1456 // Loop over the symbol table, emitting all id'd types.
1457 if (!M->getTypeSymbolTable().empty() || !NumberedTypes.empty()) Out << '\n';
1458 printTypeSymbolTable(M->getTypeSymbolTable());
1460 // Output all globals.
1461 if (!M->global_empty()) Out << '\n';
1462 for (Module::const_global_iterator I = M->global_begin(), E = M->global_end();
1466 // Output all aliases.
1467 if (!M->alias_empty()) Out << "\n";
1468 for (Module::const_alias_iterator I = M->alias_begin(), E = M->alias_end();
1472 // Output all of the functions.
1473 for (Module::const_iterator I = M->begin(), E = M->end(); I != E; ++I)
1476 // Output named metadata.
1477 if (!M->named_metadata_empty()) Out << '\n';
1478 for (Module::const_named_metadata_iterator I = M->named_metadata_begin(),
1479 E = M->named_metadata_end(); I != E; ++I) {
1480 const NamedMDNode *NMD = I;
1481 Out << "!" << NMD->getName() << " = !{";
1482 for (unsigned i = 0, e = NMD->getNumElements(); i != e; ++i) {
1484 MDNode *MD = dyn_cast_or_null<MDNode>(NMD->getElement(i));
1485 Out << '!' << Machine.getMetadataSlot(MD);
1491 if (!Machine.mdnEmpty()) Out << '\n';
1492 WriteMDNodes(Out, TypePrinter, Machine);
1495 static void PrintLinkage(GlobalValue::LinkageTypes LT,
1496 formatted_raw_ostream &Out) {
1498 case GlobalValue::ExternalLinkage: break;
1499 case GlobalValue::PrivateLinkage: Out << "private "; break;
1500 case GlobalValue::LinkerPrivateLinkage: Out << "linker_private "; break;
1501 case GlobalValue::InternalLinkage: Out << "internal "; break;
1502 case GlobalValue::LinkOnceAnyLinkage: Out << "linkonce "; break;
1503 case GlobalValue::LinkOnceODRLinkage: Out << "linkonce_odr "; break;
1504 case GlobalValue::WeakAnyLinkage: Out << "weak "; break;
1505 case GlobalValue::WeakODRLinkage: Out << "weak_odr "; break;
1506 case GlobalValue::CommonLinkage: Out << "common "; break;
1507 case GlobalValue::AppendingLinkage: Out << "appending "; break;
1508 case GlobalValue::DLLImportLinkage: Out << "dllimport "; break;
1509 case GlobalValue::DLLExportLinkage: Out << "dllexport "; break;
1510 case GlobalValue::ExternalWeakLinkage: Out << "extern_weak "; break;
1511 case GlobalValue::AvailableExternallyLinkage:
1512 Out << "available_externally ";
1514 // This is invalid syntax and just a debugging aid.
1515 case GlobalValue::GhostLinkage: Out << "ghost "; break;
1520 static void PrintVisibility(GlobalValue::VisibilityTypes Vis,
1521 formatted_raw_ostream &Out) {
1523 default: llvm_unreachable("Invalid visibility style!");
1524 case GlobalValue::DefaultVisibility: break;
1525 case GlobalValue::HiddenVisibility: Out << "hidden "; break;
1526 case GlobalValue::ProtectedVisibility: Out << "protected "; break;
1530 void AssemblyWriter::printGlobal(const GlobalVariable *GV) {
1531 WriteAsOperandInternal(Out, GV, &TypePrinter, &Machine);
1534 if (!GV->hasInitializer() && GV->hasExternalLinkage())
1537 PrintLinkage(GV->getLinkage(), Out);
1538 PrintVisibility(GV->getVisibility(), Out);
1540 if (GV->isThreadLocal()) Out << "thread_local ";
1541 if (unsigned AddressSpace = GV->getType()->getAddressSpace())
1542 Out << "addrspace(" << AddressSpace << ") ";
1543 Out << (GV->isConstant() ? "constant " : "global ");
1544 TypePrinter.print(GV->getType()->getElementType(), Out);
1546 if (GV->hasInitializer()) {
1548 writeOperand(GV->getInitializer(), false);
1551 if (GV->hasSection())
1552 Out << ", section \"" << GV->getSection() << '"';
1553 if (GV->getAlignment())
1554 Out << ", align " << GV->getAlignment();
1556 printInfoComment(*GV);
1560 void AssemblyWriter::printAlias(const GlobalAlias *GA) {
1561 // Don't crash when dumping partially built GA
1563 Out << "<<nameless>> = ";
1565 PrintLLVMName(Out, GA);
1568 PrintVisibility(GA->getVisibility(), Out);
1572 PrintLinkage(GA->getLinkage(), Out);
1574 const Constant *Aliasee = GA->getAliasee();
1576 if (const GlobalVariable *GV = dyn_cast<GlobalVariable>(Aliasee)) {
1577 TypePrinter.print(GV->getType(), Out);
1579 PrintLLVMName(Out, GV);
1580 } else if (const Function *F = dyn_cast<Function>(Aliasee)) {
1581 TypePrinter.print(F->getFunctionType(), Out);
1584 WriteAsOperandInternal(Out, F, &TypePrinter, &Machine);
1585 } else if (const GlobalAlias *GA = dyn_cast<GlobalAlias>(Aliasee)) {
1586 TypePrinter.print(GA->getType(), Out);
1588 PrintLLVMName(Out, GA);
1590 const ConstantExpr *CE = cast<ConstantExpr>(Aliasee);
1591 // The only valid GEP is an all zero GEP.
1592 assert((CE->getOpcode() == Instruction::BitCast ||
1593 CE->getOpcode() == Instruction::GetElementPtr) &&
1594 "Unsupported aliasee");
1595 writeOperand(CE, false);
1598 printInfoComment(*GA);
1602 void AssemblyWriter::printTypeSymbolTable(const TypeSymbolTable &ST) {
1603 // Emit all numbered types.
1604 for (unsigned i = 0, e = NumberedTypes.size(); i != e; ++i) {
1605 Out << '%' << i << " = type ";
1607 // Make sure we print out at least one level of the type structure, so
1608 // that we do not get %2 = type %2
1609 TypePrinter.printAtLeastOneLevel(NumberedTypes[i], Out);
1613 // Print the named types.
1614 for (TypeSymbolTable::const_iterator TI = ST.begin(), TE = ST.end();
1616 PrintLLVMName(Out, TI->first, LocalPrefix);
1619 // Make sure we print out at least one level of the type structure, so
1620 // that we do not get %FILE = type %FILE
1621 TypePrinter.printAtLeastOneLevel(TI->second, Out);
1626 /// printFunction - Print all aspects of a function.
1628 void AssemblyWriter::printFunction(const Function *F) {
1629 // Print out the return type and name.
1632 if (AnnotationWriter) AnnotationWriter->emitFunctionAnnot(F, Out);
1634 if (F->isDeclaration())
1639 PrintLinkage(F->getLinkage(), Out);
1640 PrintVisibility(F->getVisibility(), Out);
1642 // Print the calling convention.
1643 switch (F->getCallingConv()) {
1644 case CallingConv::C: break; // default
1645 case CallingConv::Fast: Out << "fastcc "; break;
1646 case CallingConv::Cold: Out << "coldcc "; break;
1647 case CallingConv::X86_StdCall: Out << "x86_stdcallcc "; break;
1648 case CallingConv::X86_FastCall: Out << "x86_fastcallcc "; break;
1649 case CallingConv::ARM_APCS: Out << "arm_apcscc "; break;
1650 case CallingConv::ARM_AAPCS: Out << "arm_aapcscc "; break;
1651 case CallingConv::ARM_AAPCS_VFP:Out << "arm_aapcs_vfpcc "; break;
1652 case CallingConv::MSP430_INTR: Out << "msp430_intrcc "; break;
1653 default: Out << "cc" << F->getCallingConv() << " "; break;
1656 const FunctionType *FT = F->getFunctionType();
1657 const AttrListPtr &Attrs = F->getAttributes();
1658 Attributes RetAttrs = Attrs.getRetAttributes();
1659 if (RetAttrs != Attribute::None)
1660 Out << Attribute::getAsString(Attrs.getRetAttributes()) << ' ';
1661 TypePrinter.print(F->getReturnType(), Out);
1663 WriteAsOperandInternal(Out, F, &TypePrinter, &Machine);
1665 Machine.incorporateFunction(F);
1667 // Loop over the arguments, printing them...
1670 if (!F->isDeclaration()) {
1671 // If this isn't a declaration, print the argument names as well.
1672 for (Function::const_arg_iterator I = F->arg_begin(), E = F->arg_end();
1674 // Insert commas as we go... the first arg doesn't get a comma
1675 if (I != F->arg_begin()) Out << ", ";
1676 printArgument(I, Attrs.getParamAttributes(Idx));
1680 // Otherwise, print the types from the function type.
1681 for (unsigned i = 0, e = FT->getNumParams(); i != e; ++i) {
1682 // Insert commas as we go... the first arg doesn't get a comma
1686 TypePrinter.print(FT->getParamType(i), Out);
1688 Attributes ArgAttrs = Attrs.getParamAttributes(i+1);
1689 if (ArgAttrs != Attribute::None)
1690 Out << ' ' << Attribute::getAsString(ArgAttrs);
1694 // Finish printing arguments...
1695 if (FT->isVarArg()) {
1696 if (FT->getNumParams()) Out << ", ";
1697 Out << "..."; // Output varargs portion of signature!
1700 Attributes FnAttrs = Attrs.getFnAttributes();
1701 if (FnAttrs != Attribute::None)
1702 Out << ' ' << Attribute::getAsString(Attrs.getFnAttributes());
1703 if (F->hasSection())
1704 Out << " section \"" << F->getSection() << '"';
1705 if (F->getAlignment())
1706 Out << " align " << F->getAlignment();
1708 Out << " gc \"" << F->getGC() << '"';
1709 if (F->isDeclaration()) {
1714 // Output all of its basic blocks... for the function
1715 for (Function::const_iterator I = F->begin(), E = F->end(); I != E; ++I)
1721 Machine.purgeFunction();
1724 /// printArgument - This member is called for every argument that is passed into
1725 /// the function. Simply print it out
1727 void AssemblyWriter::printArgument(const Argument *Arg,
1730 TypePrinter.print(Arg->getType(), Out);
1732 // Output parameter attributes list
1733 if (Attrs != Attribute::None)
1734 Out << ' ' << Attribute::getAsString(Attrs);
1736 // Output name, if available...
1737 if (Arg->hasName()) {
1739 PrintLLVMName(Out, Arg);
1743 /// printBasicBlock - This member is called for each basic block in a method.
1745 void AssemblyWriter::printBasicBlock(const BasicBlock *BB) {
1746 if (BB->hasName()) { // Print out the label if it exists...
1748 PrintLLVMName(Out, BB->getName(), LabelPrefix);
1750 } else if (!BB->use_empty()) { // Don't print block # of no uses...
1751 Out << "\n; <label>:";
1752 int Slot = Machine.getLocalSlot(BB);
1759 if (BB->getParent() == 0) {
1760 Out.PadToColumn(50);
1761 Out << "; Error: Block without parent!";
1762 } else if (BB != &BB->getParent()->getEntryBlock()) { // Not the entry block?
1763 // Output predecessors for the block...
1764 Out.PadToColumn(50);
1766 pred_const_iterator PI = pred_begin(BB), PE = pred_end(BB);
1769 Out << " No predecessors!";
1772 writeOperand(*PI, false);
1773 for (++PI; PI != PE; ++PI) {
1775 writeOperand(*PI, false);
1782 if (AnnotationWriter) AnnotationWriter->emitBasicBlockStartAnnot(BB, Out);
1784 // Output all of the instructions in the basic block...
1785 for (BasicBlock::const_iterator I = BB->begin(), E = BB->end(); I != E; ++I) {
1786 printInstruction(*I);
1790 if (AnnotationWriter) AnnotationWriter->emitBasicBlockEndAnnot(BB, Out);
1794 /// printInfoComment - Print a little comment after the instruction indicating
1795 /// which slot it occupies.
1797 void AssemblyWriter::printInfoComment(const Value &V) {
1798 if (V.getType() != Type::getVoidTy(V.getContext())) {
1799 Out.PadToColumn(50);
1801 TypePrinter.print(V.getType(), Out);
1802 Out << "> [#uses=" << V.getNumUses() << ']'; // Output # uses
1806 // This member is called for each Instruction in a function..
1807 void AssemblyWriter::printInstruction(const Instruction &I) {
1808 if (AnnotationWriter) AnnotationWriter->emitInstructionAnnot(&I, Out);
1810 // Print out indentation for an instruction.
1813 // Print out name if it exists...
1815 PrintLLVMName(Out, &I);
1817 } else if (I.getType() != Type::getVoidTy(I.getContext())) {
1818 // Print out the def slot taken.
1819 int SlotNum = Machine.getLocalSlot(&I);
1821 Out << "<badref> = ";
1823 Out << '%' << SlotNum << " = ";
1826 // If this is a volatile load or store, print out the volatile marker.
1827 if ((isa<LoadInst>(I) && cast<LoadInst>(I).isVolatile()) ||
1828 (isa<StoreInst>(I) && cast<StoreInst>(I).isVolatile())) {
1830 } else if (isa<CallInst>(I) && cast<CallInst>(I).isTailCall()) {
1831 // If this is a call, check if it's a tail call.
1835 // Print out the opcode...
1836 Out << I.getOpcodeName();
1838 // Print out optimization information.
1839 WriteOptimizationInfo(Out, &I);
1841 // Print out the compare instruction predicates
1842 if (const CmpInst *CI = dyn_cast<CmpInst>(&I))
1843 Out << ' ' << getPredicateText(CI->getPredicate());
1845 // Print out the type of the operands...
1846 const Value *Operand = I.getNumOperands() ? I.getOperand(0) : 0;
1848 // Special case conditional branches to swizzle the condition out to the front
1849 if (isa<BranchInst>(I) && cast<BranchInst>(I).isConditional()) {
1850 BranchInst &BI(cast<BranchInst>(I));
1852 writeOperand(BI.getCondition(), true);
1854 writeOperand(BI.getSuccessor(0), true);
1856 writeOperand(BI.getSuccessor(1), true);
1858 } else if (isa<SwitchInst>(I)) {
1859 // Special case switch instruction to get formatting nice and correct.
1861 writeOperand(Operand , true);
1863 writeOperand(I.getOperand(1), true);
1866 for (unsigned op = 2, Eop = I.getNumOperands(); op < Eop; op += 2) {
1868 writeOperand(I.getOperand(op ), true);
1870 writeOperand(I.getOperand(op+1), true);
1873 } else if (isa<IndirectBrInst>(I)) {
1874 // Special case indirectbr instruction to get formatting nice and correct.
1876 writeOperand(Operand, true);
1879 for (unsigned i = 1, e = I.getNumOperands(); i != e; ++i) {
1882 writeOperand(I.getOperand(i), true);
1885 } else if (isa<PHINode>(I)) {
1887 TypePrinter.print(I.getType(), Out);
1890 for (unsigned op = 0, Eop = I.getNumOperands(); op < Eop; op += 2) {
1891 if (op) Out << ", ";
1893 writeOperand(I.getOperand(op ), false); Out << ", ";
1894 writeOperand(I.getOperand(op+1), false); Out << " ]";
1896 } else if (const ExtractValueInst *EVI = dyn_cast<ExtractValueInst>(&I)) {
1898 writeOperand(I.getOperand(0), true);
1899 for (const unsigned *i = EVI->idx_begin(), *e = EVI->idx_end(); i != e; ++i)
1901 } else if (const InsertValueInst *IVI = dyn_cast<InsertValueInst>(&I)) {
1903 writeOperand(I.getOperand(0), true); Out << ", ";
1904 writeOperand(I.getOperand(1), true);
1905 for (const unsigned *i = IVI->idx_begin(), *e = IVI->idx_end(); i != e; ++i)
1907 } else if (isa<ReturnInst>(I) && !Operand) {
1909 } else if (const CallInst *CI = dyn_cast<CallInst>(&I)) {
1910 // Print the calling convention being used.
1911 switch (CI->getCallingConv()) {
1912 case CallingConv::C: break; // default
1913 case CallingConv::Fast: Out << " fastcc"; break;
1914 case CallingConv::Cold: Out << " coldcc"; break;
1915 case CallingConv::X86_StdCall: Out << " x86_stdcallcc"; break;
1916 case CallingConv::X86_FastCall: Out << " x86_fastcallcc"; break;
1917 case CallingConv::ARM_APCS: Out << " arm_apcscc "; break;
1918 case CallingConv::ARM_AAPCS: Out << " arm_aapcscc "; break;
1919 case CallingConv::ARM_AAPCS_VFP:Out << " arm_aapcs_vfpcc "; break;
1920 case CallingConv::MSP430_INTR: Out << " msp430_intrcc "; break;
1921 default: Out << " cc" << CI->getCallingConv(); break;
1924 const PointerType *PTy = cast<PointerType>(Operand->getType());
1925 const FunctionType *FTy = cast<FunctionType>(PTy->getElementType());
1926 const Type *RetTy = FTy->getReturnType();
1927 const AttrListPtr &PAL = CI->getAttributes();
1929 if (PAL.getRetAttributes() != Attribute::None)
1930 Out << ' ' << Attribute::getAsString(PAL.getRetAttributes());
1932 // If possible, print out the short form of the call instruction. We can
1933 // only do this if the first argument is a pointer to a nonvararg function,
1934 // and if the return type is not a pointer to a function.
1937 if (!FTy->isVarArg() &&
1938 (!isa<PointerType>(RetTy) ||
1939 !isa<FunctionType>(cast<PointerType>(RetTy)->getElementType()))) {
1940 TypePrinter.print(RetTy, Out);
1942 writeOperand(Operand, false);
1944 writeOperand(Operand, true);
1947 for (unsigned op = 1, Eop = I.getNumOperands(); op < Eop; ++op) {
1950 writeParamOperand(I.getOperand(op), PAL.getParamAttributes(op));
1953 if (PAL.getFnAttributes() != Attribute::None)
1954 Out << ' ' << Attribute::getAsString(PAL.getFnAttributes());
1955 } else if (const InvokeInst *II = dyn_cast<InvokeInst>(&I)) {
1956 const PointerType *PTy = cast<PointerType>(Operand->getType());
1957 const FunctionType *FTy = cast<FunctionType>(PTy->getElementType());
1958 const Type *RetTy = FTy->getReturnType();
1959 const AttrListPtr &PAL = II->getAttributes();
1961 // Print the calling convention being used.
1962 switch (II->getCallingConv()) {
1963 case CallingConv::C: break; // default
1964 case CallingConv::Fast: Out << " fastcc"; break;
1965 case CallingConv::Cold: Out << " coldcc"; break;
1966 case CallingConv::X86_StdCall: Out << " x86_stdcallcc"; break;
1967 case CallingConv::X86_FastCall: Out << " x86_fastcallcc"; break;
1968 case CallingConv::ARM_APCS: Out << " arm_apcscc "; break;
1969 case CallingConv::ARM_AAPCS: Out << " arm_aapcscc "; break;
1970 case CallingConv::ARM_AAPCS_VFP:Out << " arm_aapcs_vfpcc "; break;
1971 case CallingConv::MSP430_INTR: Out << " msp430_intrcc "; break;
1972 default: Out << " cc" << II->getCallingConv(); break;
1975 if (PAL.getRetAttributes() != Attribute::None)
1976 Out << ' ' << Attribute::getAsString(PAL.getRetAttributes());
1978 // If possible, print out the short form of the invoke instruction. We can
1979 // only do this if the first argument is a pointer to a nonvararg function,
1980 // and if the return type is not a pointer to a function.
1983 if (!FTy->isVarArg() &&
1984 (!isa<PointerType>(RetTy) ||
1985 !isa<FunctionType>(cast<PointerType>(RetTy)->getElementType()))) {
1986 TypePrinter.print(RetTy, Out);
1988 writeOperand(Operand, false);
1990 writeOperand(Operand, true);
1993 for (unsigned op = 3, Eop = I.getNumOperands(); op < Eop; ++op) {
1996 writeParamOperand(I.getOperand(op), PAL.getParamAttributes(op-2));
2000 if (PAL.getFnAttributes() != Attribute::None)
2001 Out << ' ' << Attribute::getAsString(PAL.getFnAttributes());
2004 writeOperand(II->getNormalDest(), true);
2006 writeOperand(II->getUnwindDest(), true);
2008 } else if (const AllocaInst *AI = dyn_cast<AllocaInst>(&I)) {
2010 TypePrinter.print(AI->getType()->getElementType(), Out);
2011 if (!AI->getArraySize() || AI->isArrayAllocation()) {
2013 writeOperand(AI->getArraySize(), true);
2015 if (AI->getAlignment()) {
2016 Out << ", align " << AI->getAlignment();
2018 } else if (isa<CastInst>(I)) {
2021 writeOperand(Operand, true); // Work with broken code
2024 TypePrinter.print(I.getType(), Out);
2025 } else if (isa<VAArgInst>(I)) {
2028 writeOperand(Operand, true); // Work with broken code
2031 TypePrinter.print(I.getType(), Out);
2032 } else if (Operand) { // Print the normal way.
2034 // PrintAllTypes - Instructions who have operands of all the same type
2035 // omit the type from all but the first operand. If the instruction has
2036 // different type operands (for example br), then they are all printed.
2037 bool PrintAllTypes = false;
2038 const Type *TheType = Operand->getType();
2040 // Select, Store and ShuffleVector always print all types.
2041 if (isa<SelectInst>(I) || isa<StoreInst>(I) || isa<ShuffleVectorInst>(I)
2042 || isa<ReturnInst>(I)) {
2043 PrintAllTypes = true;
2045 for (unsigned i = 1, E = I.getNumOperands(); i != E; ++i) {
2046 Operand = I.getOperand(i);
2047 // note that Operand shouldn't be null, but the test helps make dump()
2048 // more tolerant of malformed IR
2049 if (Operand && Operand->getType() != TheType) {
2050 PrintAllTypes = true; // We have differing types! Print them all!
2056 if (!PrintAllTypes) {
2058 TypePrinter.print(TheType, Out);
2062 for (unsigned i = 0, E = I.getNumOperands(); i != E; ++i) {
2064 writeOperand(I.getOperand(i), PrintAllTypes);
2068 // Print post operand alignment for load/store.
2069 if (isa<LoadInst>(I) && cast<LoadInst>(I).getAlignment()) {
2070 Out << ", align " << cast<LoadInst>(I).getAlignment();
2071 } else if (isa<StoreInst>(I) && cast<StoreInst>(I).getAlignment()) {
2072 Out << ", align " << cast<StoreInst>(I).getAlignment();
2075 // Print Metadata info.
2076 if (!MDNames.empty()) {
2077 SmallVector<std::pair<unsigned, MDNode*>, 4> InstMD;
2078 I.getAllMetadata(InstMD);
2079 for (unsigned i = 0, e = InstMD.size(); i != e; ++i)
2080 Out << ", !" << MDNames[InstMD[i].first]
2081 << " !" << Machine.getMetadataSlot(InstMD[i].second);
2083 printInfoComment(I);
2087 //===----------------------------------------------------------------------===//
2088 // External Interface declarations
2089 //===----------------------------------------------------------------------===//
2091 void Module::print(raw_ostream &ROS, AssemblyAnnotationWriter *AAW) const {
2092 SlotTracker SlotTable(this);
2093 formatted_raw_ostream OS(ROS);
2094 AssemblyWriter W(OS, SlotTable, this, AAW);
2098 void Type::print(raw_ostream &OS) const {
2100 OS << "<null Type>";
2103 TypePrinting().print(this, OS);
2106 void Value::print(raw_ostream &ROS, AssemblyAnnotationWriter *AAW) const {
2108 ROS << "printing a <null> value\n";
2111 formatted_raw_ostream OS(ROS);
2112 if (const Instruction *I = dyn_cast<Instruction>(this)) {
2113 const Function *F = I->getParent() ? I->getParent()->getParent() : 0;
2114 SlotTracker SlotTable(F);
2115 AssemblyWriter W(OS, SlotTable, F ? F->getParent() : 0, AAW);
2117 } else if (const BasicBlock *BB = dyn_cast<BasicBlock>(this)) {
2118 SlotTracker SlotTable(BB->getParent());
2119 AssemblyWriter W(OS, SlotTable,
2120 BB->getParent() ? BB->getParent()->getParent() : 0, AAW);
2122 } else if (const GlobalValue *GV = dyn_cast<GlobalValue>(this)) {
2123 SlotTracker SlotTable(GV->getParent());
2124 AssemblyWriter W(OS, SlotTable, GV->getParent(), AAW);
2126 } else if (const MDString *MDS = dyn_cast<MDString>(this)) {
2127 TypePrinting TypePrinter;
2128 TypePrinter.print(MDS->getType(), OS);
2131 PrintEscapedString(MDS->getString(), OS);
2133 } else if (const MDNode *N = dyn_cast<MDNode>(this)) {
2134 SlotTracker SlotTable(N);
2135 TypePrinting TypePrinter;
2136 SlotTable.initialize();
2137 WriteMDNodes(OS, TypePrinter, SlotTable);
2138 } else if (const NamedMDNode *N = dyn_cast<NamedMDNode>(this)) {
2139 SlotTracker SlotTable(N);
2140 TypePrinting TypePrinter;
2141 SlotTable.initialize();
2142 OS << "!" << N->getName() << " = !{";
2143 for (unsigned i = 0, e = N->getNumElements(); i != e; ++i) {
2145 MDNode *MD = dyn_cast_or_null<MDNode>(N->getElement(i));
2147 OS << '!' << SlotTable.getMetadataSlot(MD);
2152 WriteMDNodes(OS, TypePrinter, SlotTable);
2153 } else if (const Constant *C = dyn_cast<Constant>(this)) {
2154 TypePrinting TypePrinter;
2155 TypePrinter.print(C->getType(), OS);
2157 WriteConstantInt(OS, C, TypePrinter, 0);
2158 } else if (const Argument *A = dyn_cast<Argument>(this)) {
2159 WriteAsOperand(OS, this, true,
2160 A->getParent() ? A->getParent()->getParent() : 0);
2161 } else if (isa<InlineAsm>(this)) {
2162 WriteAsOperand(OS, this, true, 0);
2164 // Otherwise we don't know what it is. Call the virtual function to
2165 // allow a subclass to print itself.
2170 // Value::printCustom - subclasses should override this to implement printing.
2171 void Value::printCustom(raw_ostream &OS) const {
2172 llvm_unreachable("Unknown value to print out!");
2175 // Value::dump - allow easy printing of Values from the debugger.
2176 void Value::dump() const { print(errs()); errs() << '\n'; }
2178 // Type::dump - allow easy printing of Types from the debugger.
2179 // This one uses type names from the given context module
2180 void Type::dump(const Module *Context) const {
2181 WriteTypeSymbolic(errs(), this, Context);
2185 // Type::dump - allow easy printing of Types from the debugger.
2186 void Type::dump() const { dump(0); }
2188 // Module::dump() - Allow printing of Modules from the debugger.
2189 void Module::dump() const { print(errs(), 0); }