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 "AsmWriter.h"
19 #include "llvm/Assembly/Writer.h"
20 #include "llvm/ADT/DenseMap.h"
21 #include "llvm/ADT/STLExtras.h"
22 #include "llvm/ADT/SmallString.h"
23 #include "llvm/ADT/StringExtras.h"
24 #include "llvm/Assembly/AssemblyAnnotationWriter.h"
25 #include "llvm/Assembly/PrintModulePass.h"
26 #include "llvm/DebugInfo.h"
27 #include "llvm/IR/CallingConv.h"
28 #include "llvm/IR/Constants.h"
29 #include "llvm/IR/DerivedTypes.h"
30 #include "llvm/IR/InlineAsm.h"
31 #include "llvm/IR/IntrinsicInst.h"
32 #include "llvm/IR/LLVMContext.h"
33 #include "llvm/IR/Module.h"
34 #include "llvm/IR/Operator.h"
35 #include "llvm/IR/TypeFinder.h"
36 #include "llvm/IR/ValueSymbolTable.h"
37 #include "llvm/Support/CFG.h"
38 #include "llvm/Support/Debug.h"
39 #include "llvm/Support/Dwarf.h"
40 #include "llvm/Support/ErrorHandling.h"
41 #include "llvm/Support/FormattedStream.h"
42 #include "llvm/Support/MathExtras.h"
48 // Make virtual table appear in this compilation unit.
49 AssemblyAnnotationWriter::~AssemblyAnnotationWriter() {}
51 //===----------------------------------------------------------------------===//
53 //===----------------------------------------------------------------------===//
55 static const Module *getModuleFromVal(const Value *V) {
56 if (const Argument *MA = dyn_cast<Argument>(V))
57 return MA->getParent() ? MA->getParent()->getParent() : 0;
59 if (const BasicBlock *BB = dyn_cast<BasicBlock>(V))
60 return BB->getParent() ? BB->getParent()->getParent() : 0;
62 if (const Instruction *I = dyn_cast<Instruction>(V)) {
63 const Function *M = I->getParent() ? I->getParent()->getParent() : 0;
64 return M ? M->getParent() : 0;
67 if (const GlobalValue *GV = dyn_cast<GlobalValue>(V))
68 return GV->getParent();
72 static void PrintCallingConv(unsigned cc, raw_ostream &Out) {
74 default: Out << "cc" << cc; break;
75 case CallingConv::Fast: Out << "fastcc"; break;
76 case CallingConv::Cold: Out << "coldcc"; break;
77 case CallingConv::WebKit_JS: Out << "webkit_jscc"; break;
78 case CallingConv::AnyReg: Out << "anyregcc"; break;
79 case CallingConv::X86_StdCall: Out << "x86_stdcallcc"; break;
80 case CallingConv::X86_FastCall: Out << "x86_fastcallcc"; break;
81 case CallingConv::X86_ThisCall: Out << "x86_thiscallcc"; break;
82 case CallingConv::Intel_OCL_BI: Out << "intel_ocl_bicc"; break;
83 case CallingConv::ARM_APCS: Out << "arm_apcscc"; break;
84 case CallingConv::ARM_AAPCS: Out << "arm_aapcscc"; break;
85 case CallingConv::ARM_AAPCS_VFP: Out << "arm_aapcs_vfpcc"; break;
86 case CallingConv::MSP430_INTR: Out << "msp430_intrcc"; break;
87 case CallingConv::PTX_Kernel: Out << "ptx_kernel"; break;
88 case CallingConv::PTX_Device: Out << "ptx_device"; break;
89 case CallingConv::X86_64_SysV: Out << "x86_64_sysvcc"; break;
90 case CallingConv::X86_64_Win64: Out << "x86_64_win64cc"; break;
94 // PrintEscapedString - Print each character of the specified string, escaping
95 // it if it is not printable or if it is an escape char.
96 static void PrintEscapedString(StringRef Name, raw_ostream &Out) {
97 for (unsigned i = 0, e = Name.size(); i != e; ++i) {
98 unsigned char C = Name[i];
99 if (isprint(C) && C != '\\' && C != '"')
102 Out << '\\' << hexdigit(C >> 4) << hexdigit(C & 0x0F);
113 /// PrintLLVMName - Turn the specified name into an 'LLVM name', which is either
114 /// prefixed with % (if the string only contains simple characters) or is
115 /// surrounded with ""'s (if it has special chars in it). Print it out.
116 static void PrintLLVMName(raw_ostream &OS, StringRef Name, PrefixType Prefix) {
117 assert(!Name.empty() && "Cannot get empty name!");
119 case NoPrefix: break;
120 case GlobalPrefix: OS << '@'; break;
121 case LabelPrefix: break;
122 case LocalPrefix: OS << '%'; break;
125 // Scan the name to see if it needs quotes first.
126 bool NeedsQuotes = isdigit(static_cast<unsigned char>(Name[0]));
128 for (unsigned i = 0, e = Name.size(); i != e; ++i) {
129 // By making this unsigned, the value passed in to isalnum will always be
130 // in the range 0-255. This is important when building with MSVC because
131 // its implementation will assert. This situation can arise when dealing
132 // with UTF-8 multibyte characters.
133 unsigned char C = Name[i];
134 if (!isalnum(static_cast<unsigned char>(C)) && C != '-' && C != '.' &&
142 // If we didn't need any quotes, just write out the name in one blast.
148 // Okay, we need quotes. Output the quotes and escape any scary characters as
151 PrintEscapedString(Name, OS);
155 /// PrintLLVMName - Turn the specified name into an 'LLVM name', which is either
156 /// prefixed with % (if the string only contains simple characters) or is
157 /// surrounded with ""'s (if it has special chars in it). Print it out.
158 static void PrintLLVMName(raw_ostream &OS, const Value *V) {
159 PrintLLVMName(OS, V->getName(),
160 isa<GlobalValue>(V) ? GlobalPrefix : LocalPrefix);
166 void TypePrinting::incorporateTypes(const Module &M) {
167 NamedTypes.run(M, false);
169 // The list of struct types we got back includes all the struct types, split
170 // the unnamed ones out to a numbering and remove the anonymous structs.
171 unsigned NextNumber = 0;
173 std::vector<StructType*>::iterator NextToUse = NamedTypes.begin(), I, E;
174 for (I = NamedTypes.begin(), E = NamedTypes.end(); I != E; ++I) {
175 StructType *STy = *I;
177 // Ignore anonymous types.
178 if (STy->isLiteral())
181 if (STy->getName().empty())
182 NumberedTypes[STy] = NextNumber++;
187 NamedTypes.erase(NextToUse, NamedTypes.end());
191 /// CalcTypeName - Write the specified type to the specified raw_ostream, making
192 /// use of type names or up references to shorten the type name where possible.
193 void TypePrinting::print(Type *Ty, raw_ostream &OS) {
194 switch (Ty->getTypeID()) {
195 case Type::VoidTyID: OS << "void"; return;
196 case Type::HalfTyID: OS << "half"; return;
197 case Type::FloatTyID: OS << "float"; return;
198 case Type::DoubleTyID: OS << "double"; return;
199 case Type::X86_FP80TyID: OS << "x86_fp80"; return;
200 case Type::FP128TyID: OS << "fp128"; return;
201 case Type::PPC_FP128TyID: OS << "ppc_fp128"; return;
202 case Type::LabelTyID: OS << "label"; return;
203 case Type::MetadataTyID: OS << "metadata"; return;
204 case Type::X86_MMXTyID: OS << "x86_mmx"; return;
205 case Type::IntegerTyID:
206 OS << 'i' << cast<IntegerType>(Ty)->getBitWidth();
209 case Type::FunctionTyID: {
210 FunctionType *FTy = cast<FunctionType>(Ty);
211 print(FTy->getReturnType(), OS);
213 for (FunctionType::param_iterator I = FTy->param_begin(),
214 E = FTy->param_end(); I != E; ++I) {
215 if (I != FTy->param_begin())
219 if (FTy->isVarArg()) {
220 if (FTy->getNumParams()) OS << ", ";
226 case Type::StructTyID: {
227 StructType *STy = cast<StructType>(Ty);
229 if (STy->isLiteral())
230 return printStructBody(STy, OS);
232 if (!STy->getName().empty())
233 return PrintLLVMName(OS, STy->getName(), LocalPrefix);
235 DenseMap<StructType*, unsigned>::iterator I = NumberedTypes.find(STy);
236 if (I != NumberedTypes.end())
237 OS << '%' << I->second;
238 else // Not enumerated, print the hex address.
239 OS << "%\"type " << STy << '\"';
242 case Type::PointerTyID: {
243 PointerType *PTy = cast<PointerType>(Ty);
244 print(PTy->getElementType(), OS);
245 if (unsigned AddressSpace = PTy->getAddressSpace())
246 OS << " addrspace(" << AddressSpace << ')';
250 case Type::ArrayTyID: {
251 ArrayType *ATy = cast<ArrayType>(Ty);
252 OS << '[' << ATy->getNumElements() << " x ";
253 print(ATy->getElementType(), OS);
257 case Type::VectorTyID: {
258 VectorType *PTy = cast<VectorType>(Ty);
259 OS << "<" << PTy->getNumElements() << " x ";
260 print(PTy->getElementType(), OS);
265 llvm_unreachable("Invalid TypeID");
268 void TypePrinting::printStructBody(StructType *STy, raw_ostream &OS) {
269 if (STy->isOpaque()) {
277 if (STy->getNumElements() == 0) {
280 StructType::element_iterator I = STy->element_begin();
283 for (StructType::element_iterator E = STy->element_end(); I != E; ++I) {
294 //===----------------------------------------------------------------------===//
295 // SlotTracker Class: Enumerate slot numbers for unnamed values
296 //===----------------------------------------------------------------------===//
297 /// This class provides computation of slot numbers for LLVM Assembly writing.
301 /// ValueMap - A mapping of Values to slot numbers.
302 typedef DenseMap<const Value*, unsigned> ValueMap;
305 /// TheModule - The module for which we are holding slot numbers.
306 const Module* TheModule;
308 /// TheFunction - The function for which we are holding slot numbers.
309 const Function* TheFunction;
310 bool FunctionProcessed;
312 /// mMap - The slot map for the module level data.
316 /// fMap - The slot map for the function level data.
320 /// mdnMap - Map for MDNodes.
321 DenseMap<const MDNode*, unsigned> mdnMap;
324 /// asMap - The slot map for attribute sets.
325 DenseMap<AttributeSet, unsigned> asMap;
328 /// Construct from a module
329 explicit SlotTracker(const Module *M);
330 /// Construct from a function, starting out in incorp state.
331 explicit SlotTracker(const Function *F);
333 /// Return the slot number of the specified value in it's type
334 /// plane. If something is not in the SlotTracker, return -1.
335 int getLocalSlot(const Value *V);
336 int getGlobalSlot(const GlobalValue *V);
337 int getMetadataSlot(const MDNode *N);
338 int getAttributeGroupSlot(AttributeSet AS);
340 /// If you'd like to deal with a function instead of just a module, use
341 /// this method to get its data into the SlotTracker.
342 void incorporateFunction(const Function *F) {
344 FunctionProcessed = false;
347 /// After calling incorporateFunction, use this method to remove the
348 /// most recently incorporated function from the SlotTracker. This
349 /// will reset the state of the machine back to just the module contents.
350 void purgeFunction();
352 /// MDNode map iterators.
353 typedef DenseMap<const MDNode*, unsigned>::iterator mdn_iterator;
354 mdn_iterator mdn_begin() { return mdnMap.begin(); }
355 mdn_iterator mdn_end() { return mdnMap.end(); }
356 unsigned mdn_size() const { return mdnMap.size(); }
357 bool mdn_empty() const { return mdnMap.empty(); }
359 /// AttributeSet map iterators.
360 typedef DenseMap<AttributeSet, unsigned>::iterator as_iterator;
361 as_iterator as_begin() { return asMap.begin(); }
362 as_iterator as_end() { return asMap.end(); }
363 unsigned as_size() const { return asMap.size(); }
364 bool as_empty() const { return asMap.empty(); }
366 /// This function does the actual initialization.
367 inline void initialize();
369 // Implementation Details
371 /// CreateModuleSlot - Insert the specified GlobalValue* into the slot table.
372 void CreateModuleSlot(const GlobalValue *V);
374 /// CreateMetadataSlot - Insert the specified MDNode* into the slot table.
375 void CreateMetadataSlot(const MDNode *N);
377 /// CreateFunctionSlot - Insert the specified Value* into the slot table.
378 void CreateFunctionSlot(const Value *V);
380 /// \brief Insert the specified AttributeSet into the slot table.
381 void CreateAttributeSetSlot(AttributeSet AS);
383 /// Add all of the module level global variables (and their initializers)
384 /// and function declarations, but not the contents of those functions.
385 void processModule();
387 /// Add all of the functions arguments, basic blocks, and instructions.
388 void processFunction();
390 SlotTracker(const SlotTracker &) LLVM_DELETED_FUNCTION;
391 void operator=(const SlotTracker &) LLVM_DELETED_FUNCTION;
394 SlotTracker *createSlotTracker(const Module *M) {
395 return new SlotTracker(M);
398 static SlotTracker *createSlotTracker(const Value *V) {
399 if (const Argument *FA = dyn_cast<Argument>(V))
400 return new SlotTracker(FA->getParent());
402 if (const Instruction *I = dyn_cast<Instruction>(V))
404 return new SlotTracker(I->getParent()->getParent());
406 if (const BasicBlock *BB = dyn_cast<BasicBlock>(V))
407 return new SlotTracker(BB->getParent());
409 if (const GlobalVariable *GV = dyn_cast<GlobalVariable>(V))
410 return new SlotTracker(GV->getParent());
412 if (const GlobalAlias *GA = dyn_cast<GlobalAlias>(V))
413 return new SlotTracker(GA->getParent());
415 if (const Function *Func = dyn_cast<Function>(V))
416 return new SlotTracker(Func);
418 if (const MDNode *MD = dyn_cast<MDNode>(V)) {
419 if (!MD->isFunctionLocal())
420 return new SlotTracker(MD->getFunction());
422 return new SlotTracker((Function *)0);
429 #define ST_DEBUG(X) dbgs() << X
434 // Module level constructor. Causes the contents of the Module (sans functions)
435 // to be added to the slot table.
436 SlotTracker::SlotTracker(const Module *M)
437 : TheModule(M), TheFunction(0), FunctionProcessed(false),
438 mNext(0), fNext(0), mdnNext(0), asNext(0) {
441 // Function level constructor. Causes the contents of the Module and the one
442 // function provided to be added to the slot table.
443 SlotTracker::SlotTracker(const Function *F)
444 : TheModule(F ? F->getParent() : 0), TheFunction(F), FunctionProcessed(false),
445 mNext(0), fNext(0), mdnNext(0), asNext(0) {
448 inline void SlotTracker::initialize() {
451 TheModule = 0; ///< Prevent re-processing next time we're called.
454 if (TheFunction && !FunctionProcessed)
458 // Iterate through all the global variables, functions, and global
459 // variable initializers and create slots for them.
460 void SlotTracker::processModule() {
461 ST_DEBUG("begin processModule!\n");
463 // Add all of the unnamed global variables to the value table.
464 for (Module::const_global_iterator I = TheModule->global_begin(),
465 E = TheModule->global_end(); I != E; ++I) {
470 // Add metadata used by named metadata.
471 for (Module::const_named_metadata_iterator
472 I = TheModule->named_metadata_begin(),
473 E = TheModule->named_metadata_end(); I != E; ++I) {
474 const NamedMDNode *NMD = I;
475 for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i)
476 CreateMetadataSlot(NMD->getOperand(i));
479 for (Module::const_iterator I = TheModule->begin(), E = TheModule->end();
482 // Add all the unnamed functions to the table.
485 // Add all the function attributes to the table.
486 // FIXME: Add attributes of other objects?
487 AttributeSet FnAttrs = I->getAttributes().getFnAttributes();
488 if (FnAttrs.hasAttributes(AttributeSet::FunctionIndex))
489 CreateAttributeSetSlot(FnAttrs);
492 ST_DEBUG("end processModule!\n");
495 // Process the arguments, basic blocks, and instructions of a function.
496 void SlotTracker::processFunction() {
497 ST_DEBUG("begin processFunction!\n");
500 // Add all the function arguments with no names.
501 for(Function::const_arg_iterator AI = TheFunction->arg_begin(),
502 AE = TheFunction->arg_end(); AI != AE; ++AI)
504 CreateFunctionSlot(AI);
506 ST_DEBUG("Inserting Instructions:\n");
508 SmallVector<std::pair<unsigned, MDNode*>, 4> MDForInst;
510 // Add all of the basic blocks and instructions with no names.
511 for (Function::const_iterator BB = TheFunction->begin(),
512 E = TheFunction->end(); BB != E; ++BB) {
514 CreateFunctionSlot(BB);
516 for (BasicBlock::const_iterator I = BB->begin(), E = BB->end(); I != E;
518 if (!I->getType()->isVoidTy() && !I->hasName())
519 CreateFunctionSlot(I);
521 // Intrinsics can directly use metadata. We allow direct calls to any
522 // llvm.foo function here, because the target may not be linked into the
524 if (const CallInst *CI = dyn_cast<CallInst>(I)) {
525 if (Function *F = CI->getCalledFunction())
526 if (F->isIntrinsic())
527 for (unsigned i = 0, e = I->getNumOperands(); i != e; ++i)
528 if (MDNode *N = dyn_cast_or_null<MDNode>(I->getOperand(i)))
529 CreateMetadataSlot(N);
531 // Add all the call attributes to the table.
532 AttributeSet Attrs = CI->getAttributes().getFnAttributes();
533 if (Attrs.hasAttributes(AttributeSet::FunctionIndex))
534 CreateAttributeSetSlot(Attrs);
535 } else if (const InvokeInst *II = dyn_cast<InvokeInst>(I)) {
536 // Add all the call attributes to the table.
537 AttributeSet Attrs = II->getAttributes().getFnAttributes();
538 if (Attrs.hasAttributes(AttributeSet::FunctionIndex))
539 CreateAttributeSetSlot(Attrs);
542 // Process metadata attached with this instruction.
543 I->getAllMetadata(MDForInst);
544 for (unsigned i = 0, e = MDForInst.size(); i != e; ++i)
545 CreateMetadataSlot(MDForInst[i].second);
550 FunctionProcessed = true;
552 ST_DEBUG("end processFunction!\n");
555 /// Clean up after incorporating a function. This is the only way to get out of
556 /// the function incorporation state that affects get*Slot/Create*Slot. Function
557 /// incorporation state is indicated by TheFunction != 0.
558 void SlotTracker::purgeFunction() {
559 ST_DEBUG("begin purgeFunction!\n");
560 fMap.clear(); // Simply discard the function level map
562 FunctionProcessed = false;
563 ST_DEBUG("end purgeFunction!\n");
566 /// getGlobalSlot - Get the slot number of a global value.
567 int SlotTracker::getGlobalSlot(const GlobalValue *V) {
568 // Check for uninitialized state and do lazy initialization.
571 // Find the value in the module map
572 ValueMap::iterator MI = mMap.find(V);
573 return MI == mMap.end() ? -1 : (int)MI->second;
576 /// getMetadataSlot - Get the slot number of a MDNode.
577 int SlotTracker::getMetadataSlot(const MDNode *N) {
578 // Check for uninitialized state and do lazy initialization.
581 // Find the MDNode in the module map
582 mdn_iterator MI = mdnMap.find(N);
583 return MI == mdnMap.end() ? -1 : (int)MI->second;
587 /// getLocalSlot - Get the slot number for a value that is local to a function.
588 int SlotTracker::getLocalSlot(const Value *V) {
589 assert(!isa<Constant>(V) && "Can't get a constant or global slot with this!");
591 // Check for uninitialized state and do lazy initialization.
594 ValueMap::iterator FI = fMap.find(V);
595 return FI == fMap.end() ? -1 : (int)FI->second;
598 int SlotTracker::getAttributeGroupSlot(AttributeSet AS) {
599 // Check for uninitialized state and do lazy initialization.
602 // Find the AttributeSet in the module map.
603 as_iterator AI = asMap.find(AS);
604 return AI == asMap.end() ? -1 : (int)AI->second;
607 /// CreateModuleSlot - Insert the specified GlobalValue* into the slot table.
608 void SlotTracker::CreateModuleSlot(const GlobalValue *V) {
609 assert(V && "Can't insert a null Value into SlotTracker!");
610 assert(!V->getType()->isVoidTy() && "Doesn't need a slot!");
611 assert(!V->hasName() && "Doesn't need a slot!");
613 unsigned DestSlot = mNext++;
616 ST_DEBUG(" Inserting value [" << V->getType() << "] = " << V << " slot=" <<
618 // G = Global, F = Function, A = Alias, o = other
619 ST_DEBUG((isa<GlobalVariable>(V) ? 'G' :
620 (isa<Function>(V) ? 'F' :
621 (isa<GlobalAlias>(V) ? 'A' : 'o'))) << "]\n");
624 /// CreateSlot - Create a new slot for the specified value if it has no name.
625 void SlotTracker::CreateFunctionSlot(const Value *V) {
626 assert(!V->getType()->isVoidTy() && !V->hasName() && "Doesn't need a slot!");
628 unsigned DestSlot = fNext++;
631 // G = Global, F = Function, o = other
632 ST_DEBUG(" Inserting value [" << V->getType() << "] = " << V << " slot=" <<
633 DestSlot << " [o]\n");
636 /// CreateModuleSlot - Insert the specified MDNode* into the slot table.
637 void SlotTracker::CreateMetadataSlot(const MDNode *N) {
638 assert(N && "Can't insert a null Value into SlotTracker!");
640 // Don't insert if N is a function-local metadata, these are always printed
642 if (!N->isFunctionLocal()) {
643 mdn_iterator I = mdnMap.find(N);
644 if (I != mdnMap.end())
647 unsigned DestSlot = mdnNext++;
648 mdnMap[N] = DestSlot;
651 // Recursively add any MDNodes referenced by operands.
652 for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i)
653 if (const MDNode *Op = dyn_cast_or_null<MDNode>(N->getOperand(i)))
654 CreateMetadataSlot(Op);
657 void SlotTracker::CreateAttributeSetSlot(AttributeSet AS) {
658 assert(AS.hasAttributes(AttributeSet::FunctionIndex) &&
659 "Doesn't need a slot!");
661 as_iterator I = asMap.find(AS);
662 if (I != asMap.end())
665 unsigned DestSlot = asNext++;
666 asMap[AS] = DestSlot;
669 //===----------------------------------------------------------------------===//
670 // AsmWriter Implementation
671 //===----------------------------------------------------------------------===//
673 static void WriteAsOperandInternal(raw_ostream &Out, const Value *V,
674 TypePrinting *TypePrinter,
675 SlotTracker *Machine,
676 const Module *Context);
680 static const char *getPredicateText(unsigned predicate) {
681 const char * pred = "unknown";
683 case FCmpInst::FCMP_FALSE: pred = "false"; break;
684 case FCmpInst::FCMP_OEQ: pred = "oeq"; break;
685 case FCmpInst::FCMP_OGT: pred = "ogt"; break;
686 case FCmpInst::FCMP_OGE: pred = "oge"; break;
687 case FCmpInst::FCMP_OLT: pred = "olt"; break;
688 case FCmpInst::FCMP_OLE: pred = "ole"; break;
689 case FCmpInst::FCMP_ONE: pred = "one"; break;
690 case FCmpInst::FCMP_ORD: pred = "ord"; break;
691 case FCmpInst::FCMP_UNO: pred = "uno"; break;
692 case FCmpInst::FCMP_UEQ: pred = "ueq"; break;
693 case FCmpInst::FCMP_UGT: pred = "ugt"; break;
694 case FCmpInst::FCMP_UGE: pred = "uge"; break;
695 case FCmpInst::FCMP_ULT: pred = "ult"; break;
696 case FCmpInst::FCMP_ULE: pred = "ule"; break;
697 case FCmpInst::FCMP_UNE: pred = "une"; break;
698 case FCmpInst::FCMP_TRUE: pred = "true"; break;
699 case ICmpInst::ICMP_EQ: pred = "eq"; break;
700 case ICmpInst::ICMP_NE: pred = "ne"; break;
701 case ICmpInst::ICMP_SGT: pred = "sgt"; break;
702 case ICmpInst::ICMP_SGE: pred = "sge"; break;
703 case ICmpInst::ICMP_SLT: pred = "slt"; break;
704 case ICmpInst::ICMP_SLE: pred = "sle"; break;
705 case ICmpInst::ICMP_UGT: pred = "ugt"; break;
706 case ICmpInst::ICMP_UGE: pred = "uge"; break;
707 case ICmpInst::ICMP_ULT: pred = "ult"; break;
708 case ICmpInst::ICMP_ULE: pred = "ule"; break;
713 static void writeAtomicRMWOperation(raw_ostream &Out,
714 AtomicRMWInst::BinOp Op) {
716 default: Out << " <unknown operation " << Op << ">"; break;
717 case AtomicRMWInst::Xchg: Out << " xchg"; break;
718 case AtomicRMWInst::Add: Out << " add"; break;
719 case AtomicRMWInst::Sub: Out << " sub"; break;
720 case AtomicRMWInst::And: Out << " and"; break;
721 case AtomicRMWInst::Nand: Out << " nand"; break;
722 case AtomicRMWInst::Or: Out << " or"; break;
723 case AtomicRMWInst::Xor: Out << " xor"; break;
724 case AtomicRMWInst::Max: Out << " max"; break;
725 case AtomicRMWInst::Min: Out << " min"; break;
726 case AtomicRMWInst::UMax: Out << " umax"; break;
727 case AtomicRMWInst::UMin: Out << " umin"; break;
731 static void WriteOptimizationInfo(raw_ostream &Out, const User *U) {
732 if (const FPMathOperator *FPO = dyn_cast<const FPMathOperator>(U)) {
733 // Unsafe algebra implies all the others, no need to write them all out
734 if (FPO->hasUnsafeAlgebra())
737 if (FPO->hasNoNaNs())
739 if (FPO->hasNoInfs())
741 if (FPO->hasNoSignedZeros())
743 if (FPO->hasAllowReciprocal())
748 if (const OverflowingBinaryOperator *OBO =
749 dyn_cast<OverflowingBinaryOperator>(U)) {
750 if (OBO->hasNoUnsignedWrap())
752 if (OBO->hasNoSignedWrap())
754 } else if (const PossiblyExactOperator *Div =
755 dyn_cast<PossiblyExactOperator>(U)) {
758 } else if (const GEPOperator *GEP = dyn_cast<GEPOperator>(U)) {
759 if (GEP->isInBounds())
764 static void WriteConstantInternal(raw_ostream &Out, const Constant *CV,
765 TypePrinting &TypePrinter,
766 SlotTracker *Machine,
767 const Module *Context) {
768 if (const ConstantInt *CI = dyn_cast<ConstantInt>(CV)) {
769 if (CI->getType()->isIntegerTy(1)) {
770 Out << (CI->getZExtValue() ? "true" : "false");
773 Out << CI->getValue();
777 if (const ConstantFP *CFP = dyn_cast<ConstantFP>(CV)) {
778 if (&CFP->getValueAPF().getSemantics() == &APFloat::IEEEsingle ||
779 &CFP->getValueAPF().getSemantics() == &APFloat::IEEEdouble) {
780 // We would like to output the FP constant value in exponential notation,
781 // but we cannot do this if doing so will lose precision. Check here to
782 // make sure that we only output it in exponential format if we can parse
783 // the value back and get the same value.
786 bool isHalf = &CFP->getValueAPF().getSemantics()==&APFloat::IEEEhalf;
787 bool isDouble = &CFP->getValueAPF().getSemantics()==&APFloat::IEEEdouble;
788 bool isInf = CFP->getValueAPF().isInfinity();
789 bool isNaN = CFP->getValueAPF().isNaN();
790 if (!isHalf && !isInf && !isNaN) {
791 double Val = isDouble ? CFP->getValueAPF().convertToDouble() :
792 CFP->getValueAPF().convertToFloat();
793 SmallString<128> StrVal;
794 raw_svector_ostream(StrVal) << Val;
796 // Check to make sure that the stringized number is not some string like
797 // "Inf" or NaN, that atof will accept, but the lexer will not. Check
798 // that the string matches the "[-+]?[0-9]" regex.
800 if ((StrVal[0] >= '0' && StrVal[0] <= '9') ||
801 ((StrVal[0] == '-' || StrVal[0] == '+') &&
802 (StrVal[1] >= '0' && StrVal[1] <= '9'))) {
803 // Reparse stringized version!
804 if (APFloat(APFloat::IEEEdouble, StrVal).convertToDouble() == Val) {
810 // Otherwise we could not reparse it to exactly the same value, so we must
811 // output the string in hexadecimal format! Note that loading and storing
812 // floating point types changes the bits of NaNs on some hosts, notably
813 // x86, so we must not use these types.
814 assert(sizeof(double) == sizeof(uint64_t) &&
815 "assuming that double is 64 bits!");
817 APFloat apf = CFP->getValueAPF();
818 // Halves and floats are represented in ASCII IR as double, convert.
820 apf.convert(APFloat::IEEEdouble, APFloat::rmNearestTiesToEven,
823 utohex_buffer(uint64_t(apf.bitcastToAPInt().getZExtValue()),
828 // Either half, or some form of long double.
829 // These appear as a magic letter identifying the type, then a
830 // fixed number of hex digits.
832 // Bit position, in the current word, of the next nibble to print.
835 if (&CFP->getValueAPF().getSemantics() == &APFloat::x87DoubleExtended) {
837 // api needed to prevent premature destruction
838 APInt api = CFP->getValueAPF().bitcastToAPInt();
839 const uint64_t* p = api.getRawData();
840 uint64_t word = p[1];
842 int width = api.getBitWidth();
843 for (int j=0; j<width; j+=4, shiftcount-=4) {
844 unsigned int nibble = (word>>shiftcount) & 15;
846 Out << (unsigned char)(nibble + '0');
848 Out << (unsigned char)(nibble - 10 + 'A');
849 if (shiftcount == 0 && j+4 < width) {
853 shiftcount = width-j-4;
857 } else if (&CFP->getValueAPF().getSemantics() == &APFloat::IEEEquad) {
860 } else if (&CFP->getValueAPF().getSemantics() == &APFloat::PPCDoubleDouble) {
863 } else if (&CFP->getValueAPF().getSemantics() == &APFloat::IEEEhalf) {
867 llvm_unreachable("Unsupported floating point type");
868 // api needed to prevent premature destruction
869 APInt api = CFP->getValueAPF().bitcastToAPInt();
870 const uint64_t* p = api.getRawData();
872 int width = api.getBitWidth();
873 for (int j=0; j<width; j+=4, shiftcount-=4) {
874 unsigned int nibble = (word>>shiftcount) & 15;
876 Out << (unsigned char)(nibble + '0');
878 Out << (unsigned char)(nibble - 10 + 'A');
879 if (shiftcount == 0 && j+4 < width) {
883 shiftcount = width-j-4;
889 if (isa<ConstantAggregateZero>(CV)) {
890 Out << "zeroinitializer";
894 if (const BlockAddress *BA = dyn_cast<BlockAddress>(CV)) {
895 Out << "blockaddress(";
896 WriteAsOperandInternal(Out, BA->getFunction(), &TypePrinter, Machine,
899 WriteAsOperandInternal(Out, BA->getBasicBlock(), &TypePrinter, Machine,
905 if (const ConstantArray *CA = dyn_cast<ConstantArray>(CV)) {
906 Type *ETy = CA->getType()->getElementType();
908 TypePrinter.print(ETy, Out);
910 WriteAsOperandInternal(Out, CA->getOperand(0),
911 &TypePrinter, Machine,
913 for (unsigned i = 1, e = CA->getNumOperands(); i != e; ++i) {
915 TypePrinter.print(ETy, Out);
917 WriteAsOperandInternal(Out, CA->getOperand(i), &TypePrinter, Machine,
924 if (const ConstantDataArray *CA = dyn_cast<ConstantDataArray>(CV)) {
925 // As a special case, print the array as a string if it is an array of
926 // i8 with ConstantInt values.
927 if (CA->isString()) {
929 PrintEscapedString(CA->getAsString(), Out);
934 Type *ETy = CA->getType()->getElementType();
936 TypePrinter.print(ETy, Out);
938 WriteAsOperandInternal(Out, CA->getElementAsConstant(0),
939 &TypePrinter, Machine,
941 for (unsigned i = 1, e = CA->getNumElements(); i != e; ++i) {
943 TypePrinter.print(ETy, Out);
945 WriteAsOperandInternal(Out, CA->getElementAsConstant(i), &TypePrinter,
953 if (const ConstantStruct *CS = dyn_cast<ConstantStruct>(CV)) {
954 if (CS->getType()->isPacked())
957 unsigned N = CS->getNumOperands();
960 TypePrinter.print(CS->getOperand(0)->getType(), Out);
963 WriteAsOperandInternal(Out, CS->getOperand(0), &TypePrinter, Machine,
966 for (unsigned i = 1; i < N; i++) {
968 TypePrinter.print(CS->getOperand(i)->getType(), Out);
971 WriteAsOperandInternal(Out, CS->getOperand(i), &TypePrinter, Machine,
978 if (CS->getType()->isPacked())
983 if (isa<ConstantVector>(CV) || isa<ConstantDataVector>(CV)) {
984 Type *ETy = CV->getType()->getVectorElementType();
986 TypePrinter.print(ETy, Out);
988 WriteAsOperandInternal(Out, CV->getAggregateElement(0U), &TypePrinter,
990 for (unsigned i = 1, e = CV->getType()->getVectorNumElements(); i != e;++i){
992 TypePrinter.print(ETy, Out);
994 WriteAsOperandInternal(Out, CV->getAggregateElement(i), &TypePrinter,
1001 if (isa<ConstantPointerNull>(CV)) {
1006 if (isa<UndefValue>(CV)) {
1011 if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(CV)) {
1012 Out << CE->getOpcodeName();
1013 WriteOptimizationInfo(Out, CE);
1014 if (CE->isCompare())
1015 Out << ' ' << getPredicateText(CE->getPredicate());
1018 for (User::const_op_iterator OI=CE->op_begin(); OI != CE->op_end(); ++OI) {
1019 TypePrinter.print((*OI)->getType(), Out);
1021 WriteAsOperandInternal(Out, *OI, &TypePrinter, Machine, Context);
1022 if (OI+1 != CE->op_end())
1026 if (CE->hasIndices()) {
1027 ArrayRef<unsigned> Indices = CE->getIndices();
1028 for (unsigned i = 0, e = Indices.size(); i != e; ++i)
1029 Out << ", " << Indices[i];
1034 TypePrinter.print(CE->getType(), Out);
1041 Out << "<placeholder or erroneous Constant>";
1044 static void WriteMDNodeBodyInternal(raw_ostream &Out, const MDNode *Node,
1045 TypePrinting *TypePrinter,
1046 SlotTracker *Machine,
1047 const Module *Context) {
1049 for (unsigned mi = 0, me = Node->getNumOperands(); mi != me; ++mi) {
1050 const Value *V = Node->getOperand(mi);
1054 TypePrinter->print(V->getType(), Out);
1056 WriteAsOperandInternal(Out, Node->getOperand(mi),
1057 TypePrinter, Machine, Context);
1067 /// WriteAsOperand - Write the name of the specified value out to the specified
1068 /// ostream. This can be useful when you just want to print int %reg126, not
1069 /// the whole instruction that generated it.
1071 static void WriteAsOperandInternal(raw_ostream &Out, const Value *V,
1072 TypePrinting *TypePrinter,
1073 SlotTracker *Machine,
1074 const Module *Context) {
1076 PrintLLVMName(Out, V);
1080 const Constant *CV = dyn_cast<Constant>(V);
1081 if (CV && !isa<GlobalValue>(CV)) {
1082 assert(TypePrinter && "Constants require TypePrinting!");
1083 WriteConstantInternal(Out, CV, *TypePrinter, Machine, Context);
1087 if (const InlineAsm *IA = dyn_cast<InlineAsm>(V)) {
1089 if (IA->hasSideEffects())
1090 Out << "sideeffect ";
1091 if (IA->isAlignStack())
1092 Out << "alignstack ";
1093 // We don't emit the AD_ATT dialect as it's the assumed default.
1094 if (IA->getDialect() == InlineAsm::AD_Intel)
1095 Out << "inteldialect ";
1097 PrintEscapedString(IA->getAsmString(), Out);
1099 PrintEscapedString(IA->getConstraintString(), Out);
1104 if (const MDNode *N = dyn_cast<MDNode>(V)) {
1105 if (N->isFunctionLocal()) {
1106 // Print metadata inline, not via slot reference number.
1107 WriteMDNodeBodyInternal(Out, N, TypePrinter, Machine, Context);
1112 if (N->isFunctionLocal())
1113 Machine = new SlotTracker(N->getFunction());
1115 Machine = new SlotTracker(Context);
1117 int Slot = Machine->getMetadataSlot(N);
1125 if (const MDString *MDS = dyn_cast<MDString>(V)) {
1127 PrintEscapedString(MDS->getString(), Out);
1132 if (V->getValueID() == Value::PseudoSourceValueVal ||
1133 V->getValueID() == Value::FixedStackPseudoSourceValueVal) {
1140 // If we have a SlotTracker, use it.
1142 if (const GlobalValue *GV = dyn_cast<GlobalValue>(V)) {
1143 Slot = Machine->getGlobalSlot(GV);
1146 Slot = Machine->getLocalSlot(V);
1148 // If the local value didn't succeed, then we may be referring to a value
1149 // from a different function. Translate it, as this can happen when using
1150 // address of blocks.
1152 if ((Machine = createSlotTracker(V))) {
1153 Slot = Machine->getLocalSlot(V);
1157 } else if ((Machine = createSlotTracker(V))) {
1158 // Otherwise, create one to get the # and then destroy it.
1159 if (const GlobalValue *GV = dyn_cast<GlobalValue>(V)) {
1160 Slot = Machine->getGlobalSlot(GV);
1163 Slot = Machine->getLocalSlot(V);
1172 Out << Prefix << Slot;
1177 void WriteAsOperand(raw_ostream &Out, const Value *V,
1178 bool PrintType, const Module *Context) {
1180 // Fast path: Don't construct and populate a TypePrinting object if we
1181 // won't be needing any types printed.
1183 ((!isa<Constant>(V) && !isa<MDNode>(V)) ||
1184 V->hasName() || isa<GlobalValue>(V))) {
1185 WriteAsOperandInternal(Out, V, 0, 0, Context);
1189 if (Context == 0) Context = getModuleFromVal(V);
1191 TypePrinting TypePrinter;
1193 TypePrinter.incorporateTypes(*Context);
1195 TypePrinter.print(V->getType(), Out);
1199 WriteAsOperandInternal(Out, V, &TypePrinter, 0, Context);
1202 void AssemblyWriter::init() {
1204 TypePrinter.incorporateTypes(*TheModule);
1208 AssemblyWriter::AssemblyWriter(formatted_raw_ostream &o, SlotTracker &Mac,
1210 AssemblyAnnotationWriter *AAW)
1211 : Out(o), TheModule(M), Machine(Mac), AnnotationWriter(AAW) {
1215 AssemblyWriter::AssemblyWriter(formatted_raw_ostream &o, const Module *M,
1216 AssemblyAnnotationWriter *AAW)
1217 : Out(o), TheModule(M), ModuleSlotTracker(createSlotTracker(M)),
1218 Machine(*ModuleSlotTracker), AnnotationWriter(AAW) {
1222 AssemblyWriter::~AssemblyWriter() { }
1224 void AssemblyWriter::writeOperand(const Value *Operand, bool PrintType) {
1226 Out << "<null operand!>";
1230 TypePrinter.print(Operand->getType(), Out);
1233 WriteAsOperandInternal(Out, Operand, &TypePrinter, &Machine, TheModule);
1236 void AssemblyWriter::writeAtomic(AtomicOrdering Ordering,
1237 SynchronizationScope SynchScope) {
1238 if (Ordering == NotAtomic)
1241 switch (SynchScope) {
1242 case SingleThread: Out << " singlethread"; break;
1243 case CrossThread: break;
1247 default: Out << " <bad ordering " << int(Ordering) << ">"; break;
1248 case Unordered: Out << " unordered"; break;
1249 case Monotonic: Out << " monotonic"; break;
1250 case Acquire: Out << " acquire"; break;
1251 case Release: Out << " release"; break;
1252 case AcquireRelease: Out << " acq_rel"; break;
1253 case SequentiallyConsistent: Out << " seq_cst"; break;
1257 void AssemblyWriter::writeParamOperand(const Value *Operand,
1258 AttributeSet Attrs, unsigned Idx) {
1260 Out << "<null operand!>";
1265 TypePrinter.print(Operand->getType(), Out);
1266 // Print parameter attributes list
1267 if (Attrs.hasAttributes(Idx))
1268 Out << ' ' << Attrs.getAsString(Idx);
1270 // Print the operand
1271 WriteAsOperandInternal(Out, Operand, &TypePrinter, &Machine, TheModule);
1274 void AssemblyWriter::printModule(const Module *M) {
1275 Machine.initialize();
1277 if (!M->getModuleIdentifier().empty() &&
1278 // Don't print the ID if it will start a new line (which would
1279 // require a comment char before it).
1280 M->getModuleIdentifier().find('\n') == std::string::npos)
1281 Out << "; ModuleID = '" << M->getModuleIdentifier() << "'\n";
1283 if (!M->getDataLayout().empty())
1284 Out << "target datalayout = \"" << M->getDataLayout() << "\"\n";
1285 if (!M->getTargetTriple().empty())
1286 Out << "target triple = \"" << M->getTargetTriple() << "\"\n";
1288 if (!M->getModuleInlineAsm().empty()) {
1289 // Split the string into lines, to make it easier to read the .ll file.
1290 std::string Asm = M->getModuleInlineAsm();
1292 size_t NewLine = Asm.find_first_of('\n', CurPos);
1294 while (NewLine != std::string::npos) {
1295 // We found a newline, print the portion of the asm string from the
1296 // last newline up to this newline.
1297 Out << "module asm \"";
1298 PrintEscapedString(std::string(Asm.begin()+CurPos, Asm.begin()+NewLine),
1302 NewLine = Asm.find_first_of('\n', CurPos);
1304 std::string rest(Asm.begin()+CurPos, Asm.end());
1305 if (!rest.empty()) {
1306 Out << "module asm \"";
1307 PrintEscapedString(rest, Out);
1312 printTypeIdentities();
1314 // Output all globals.
1315 if (!M->global_empty()) Out << '\n';
1316 for (Module::const_global_iterator I = M->global_begin(), E = M->global_end();
1318 printGlobal(I); Out << '\n';
1321 // Output all aliases.
1322 if (!M->alias_empty()) Out << "\n";
1323 for (Module::const_alias_iterator I = M->alias_begin(), E = M->alias_end();
1327 // Output all of the functions.
1328 for (Module::const_iterator I = M->begin(), E = M->end(); I != E; ++I)
1331 // Output all attribute groups.
1332 if (!Machine.as_empty()) {
1334 writeAllAttributeGroups();
1337 // Output named metadata.
1338 if (!M->named_metadata_empty()) Out << '\n';
1340 for (Module::const_named_metadata_iterator I = M->named_metadata_begin(),
1341 E = M->named_metadata_end(); I != E; ++I)
1342 printNamedMDNode(I);
1345 if (!Machine.mdn_empty()) {
1351 void AssemblyWriter::printNamedMDNode(const NamedMDNode *NMD) {
1353 StringRef Name = NMD->getName();
1355 Out << "<empty name> ";
1357 if (isalpha(static_cast<unsigned char>(Name[0])) ||
1358 Name[0] == '-' || Name[0] == '$' ||
1359 Name[0] == '.' || Name[0] == '_')
1362 Out << '\\' << hexdigit(Name[0] >> 4) << hexdigit(Name[0] & 0x0F);
1363 for (unsigned i = 1, e = Name.size(); i != e; ++i) {
1364 unsigned char C = Name[i];
1365 if (isalnum(static_cast<unsigned char>(C)) || C == '-' || C == '$' ||
1366 C == '.' || C == '_')
1369 Out << '\\' << hexdigit(C >> 4) << hexdigit(C & 0x0F);
1373 for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i) {
1375 int Slot = Machine.getMetadataSlot(NMD->getOperand(i));
1385 static void PrintLinkage(GlobalValue::LinkageTypes LT,
1386 formatted_raw_ostream &Out) {
1388 case GlobalValue::ExternalLinkage: break;
1389 case GlobalValue::PrivateLinkage: Out << "private "; break;
1390 case GlobalValue::LinkerPrivateLinkage: Out << "linker_private "; break;
1391 case GlobalValue::LinkerPrivateWeakLinkage:
1392 Out << "linker_private_weak ";
1394 case GlobalValue::InternalLinkage: Out << "internal "; break;
1395 case GlobalValue::LinkOnceAnyLinkage: Out << "linkonce "; break;
1396 case GlobalValue::LinkOnceODRLinkage: Out << "linkonce_odr "; break;
1397 case GlobalValue::WeakAnyLinkage: Out << "weak "; break;
1398 case GlobalValue::WeakODRLinkage: Out << "weak_odr "; break;
1399 case GlobalValue::CommonLinkage: Out << "common "; break;
1400 case GlobalValue::AppendingLinkage: Out << "appending "; break;
1401 case GlobalValue::DLLImportLinkage: Out << "dllimport "; break;
1402 case GlobalValue::DLLExportLinkage: Out << "dllexport "; break;
1403 case GlobalValue::ExternalWeakLinkage: Out << "extern_weak "; break;
1404 case GlobalValue::AvailableExternallyLinkage:
1405 Out << "available_externally ";
1411 static void PrintVisibility(GlobalValue::VisibilityTypes Vis,
1412 formatted_raw_ostream &Out) {
1414 case GlobalValue::DefaultVisibility: break;
1415 case GlobalValue::HiddenVisibility: Out << "hidden "; break;
1416 case GlobalValue::ProtectedVisibility: Out << "protected "; break;
1420 static void PrintThreadLocalModel(GlobalVariable::ThreadLocalMode TLM,
1421 formatted_raw_ostream &Out) {
1423 case GlobalVariable::NotThreadLocal:
1425 case GlobalVariable::GeneralDynamicTLSModel:
1426 Out << "thread_local ";
1428 case GlobalVariable::LocalDynamicTLSModel:
1429 Out << "thread_local(localdynamic) ";
1431 case GlobalVariable::InitialExecTLSModel:
1432 Out << "thread_local(initialexec) ";
1434 case GlobalVariable::LocalExecTLSModel:
1435 Out << "thread_local(localexec) ";
1440 void AssemblyWriter::printGlobal(const GlobalVariable *GV) {
1441 if (GV->isMaterializable())
1442 Out << "; Materializable\n";
1444 WriteAsOperandInternal(Out, GV, &TypePrinter, &Machine, GV->getParent());
1447 if (!GV->hasInitializer() && GV->hasExternalLinkage())
1450 PrintLinkage(GV->getLinkage(), Out);
1451 PrintVisibility(GV->getVisibility(), Out);
1452 PrintThreadLocalModel(GV->getThreadLocalMode(), Out);
1454 if (unsigned AddressSpace = GV->getType()->getAddressSpace())
1455 Out << "addrspace(" << AddressSpace << ") ";
1456 if (GV->hasUnnamedAddr()) Out << "unnamed_addr ";
1457 if (GV->isExternallyInitialized()) Out << "externally_initialized ";
1458 Out << (GV->isConstant() ? "constant " : "global ");
1459 TypePrinter.print(GV->getType()->getElementType(), Out);
1461 if (GV->hasInitializer()) {
1463 writeOperand(GV->getInitializer(), false);
1466 if (GV->hasSection()) {
1467 Out << ", section \"";
1468 PrintEscapedString(GV->getSection(), Out);
1471 if (GV->getAlignment())
1472 Out << ", align " << GV->getAlignment();
1474 printInfoComment(*GV);
1477 void AssemblyWriter::printAlias(const GlobalAlias *GA) {
1478 if (GA->isMaterializable())
1479 Out << "; Materializable\n";
1481 // Don't crash when dumping partially built GA
1483 Out << "<<nameless>> = ";
1485 PrintLLVMName(Out, GA);
1488 PrintVisibility(GA->getVisibility(), Out);
1492 PrintLinkage(GA->getLinkage(), Out);
1494 const Constant *Aliasee = GA->getAliasee();
1497 TypePrinter.print(GA->getType(), Out);
1498 Out << " <<NULL ALIASEE>>";
1500 writeOperand(Aliasee, !isa<ConstantExpr>(Aliasee));
1503 printInfoComment(*GA);
1507 void AssemblyWriter::printTypeIdentities() {
1508 if (TypePrinter.NumberedTypes.empty() &&
1509 TypePrinter.NamedTypes.empty())
1514 // We know all the numbers that each type is used and we know that it is a
1515 // dense assignment. Convert the map to an index table.
1516 std::vector<StructType*> NumberedTypes(TypePrinter.NumberedTypes.size());
1517 for (DenseMap<StructType*, unsigned>::iterator I =
1518 TypePrinter.NumberedTypes.begin(), E = TypePrinter.NumberedTypes.end();
1520 assert(I->second < NumberedTypes.size() && "Didn't get a dense numbering?");
1521 NumberedTypes[I->second] = I->first;
1524 // Emit all numbered types.
1525 for (unsigned i = 0, e = NumberedTypes.size(); i != e; ++i) {
1526 Out << '%' << i << " = type ";
1528 // Make sure we print out at least one level of the type structure, so
1529 // that we do not get %2 = type %2
1530 TypePrinter.printStructBody(NumberedTypes[i], Out);
1534 for (unsigned i = 0, e = TypePrinter.NamedTypes.size(); i != e; ++i) {
1535 PrintLLVMName(Out, TypePrinter.NamedTypes[i]->getName(), LocalPrefix);
1538 // Make sure we print out at least one level of the type structure, so
1539 // that we do not get %FILE = type %FILE
1540 TypePrinter.printStructBody(TypePrinter.NamedTypes[i], Out);
1545 /// printFunction - Print all aspects of a function.
1547 void AssemblyWriter::printFunction(const Function *F) {
1548 // Print out the return type and name.
1551 if (AnnotationWriter) AnnotationWriter->emitFunctionAnnot(F, Out);
1553 if (F->isMaterializable())
1554 Out << "; Materializable\n";
1556 const AttributeSet &Attrs = F->getAttributes();
1557 if (Attrs.hasAttributes(AttributeSet::FunctionIndex)) {
1558 AttributeSet AS = Attrs.getFnAttributes();
1559 std::string AttrStr;
1562 for (unsigned E = AS.getNumSlots(); Idx != E; ++Idx)
1563 if (AS.getSlotIndex(Idx) == AttributeSet::FunctionIndex)
1566 for (AttributeSet::iterator I = AS.begin(Idx), E = AS.end(Idx);
1568 Attribute Attr = *I;
1569 if (!Attr.isStringAttribute()) {
1570 if (!AttrStr.empty()) AttrStr += ' ';
1571 AttrStr += Attr.getAsString();
1575 if (!AttrStr.empty())
1576 Out << "; Function Attrs: " << AttrStr << '\n';
1579 if (F->isDeclaration())
1584 PrintLinkage(F->getLinkage(), Out);
1585 PrintVisibility(F->getVisibility(), Out);
1587 // Print the calling convention.
1588 if (F->getCallingConv() != CallingConv::C) {
1589 PrintCallingConv(F->getCallingConv(), Out);
1593 FunctionType *FT = F->getFunctionType();
1594 if (Attrs.hasAttributes(AttributeSet::ReturnIndex))
1595 Out << Attrs.getAsString(AttributeSet::ReturnIndex) << ' ';
1596 TypePrinter.print(F->getReturnType(), Out);
1598 WriteAsOperandInternal(Out, F, &TypePrinter, &Machine, F->getParent());
1600 Machine.incorporateFunction(F);
1602 // Loop over the arguments, printing them...
1605 if (!F->isDeclaration()) {
1606 // If this isn't a declaration, print the argument names as well.
1607 for (Function::const_arg_iterator I = F->arg_begin(), E = F->arg_end();
1609 // Insert commas as we go... the first arg doesn't get a comma
1610 if (I != F->arg_begin()) Out << ", ";
1611 printArgument(I, Attrs, Idx);
1615 // Otherwise, print the types from the function type.
1616 for (unsigned i = 0, e = FT->getNumParams(); i != e; ++i) {
1617 // Insert commas as we go... the first arg doesn't get a comma
1621 TypePrinter.print(FT->getParamType(i), Out);
1623 if (Attrs.hasAttributes(i+1))
1624 Out << ' ' << Attrs.getAsString(i+1);
1628 // Finish printing arguments...
1629 if (FT->isVarArg()) {
1630 if (FT->getNumParams()) Out << ", ";
1631 Out << "..."; // Output varargs portion of signature!
1634 if (F->hasUnnamedAddr())
1635 Out << " unnamed_addr";
1636 if (Attrs.hasAttributes(AttributeSet::FunctionIndex))
1637 Out << " #" << Machine.getAttributeGroupSlot(Attrs.getFnAttributes());
1638 if (F->hasSection()) {
1639 Out << " section \"";
1640 PrintEscapedString(F->getSection(), Out);
1643 if (F->getAlignment())
1644 Out << " align " << F->getAlignment();
1646 Out << " gc \"" << F->getGC() << '"';
1647 if (F->hasPrefixData()) {
1649 writeOperand(F->getPrefixData(), true);
1651 if (F->isDeclaration()) {
1655 // Output all of the function's basic blocks.
1656 for (Function::const_iterator I = F->begin(), E = F->end(); I != E; ++I)
1662 Machine.purgeFunction();
1665 /// printArgument - This member is called for every argument that is passed into
1666 /// the function. Simply print it out
1668 void AssemblyWriter::printArgument(const Argument *Arg,
1669 AttributeSet Attrs, unsigned Idx) {
1671 TypePrinter.print(Arg->getType(), Out);
1673 // Output parameter attributes list
1674 if (Attrs.hasAttributes(Idx))
1675 Out << ' ' << Attrs.getAsString(Idx);
1677 // Output name, if available...
1678 if (Arg->hasName()) {
1680 PrintLLVMName(Out, Arg);
1684 /// printBasicBlock - This member is called for each basic block in a method.
1686 void AssemblyWriter::printBasicBlock(const BasicBlock *BB) {
1687 if (BB->hasName()) { // Print out the label if it exists...
1689 PrintLLVMName(Out, BB->getName(), LabelPrefix);
1691 } else if (!BB->use_empty()) { // Don't print block # of no uses...
1692 Out << "\n; <label>:";
1693 int Slot = Machine.getLocalSlot(BB);
1700 if (BB->getParent() == 0) {
1701 Out.PadToColumn(50);
1702 Out << "; Error: Block without parent!";
1703 } else if (BB != &BB->getParent()->getEntryBlock()) { // Not the entry block?
1704 // Output predecessors for the block.
1705 Out.PadToColumn(50);
1707 const_pred_iterator PI = pred_begin(BB), PE = pred_end(BB);
1710 Out << " No predecessors!";
1713 writeOperand(*PI, false);
1714 for (++PI; PI != PE; ++PI) {
1716 writeOperand(*PI, false);
1723 if (AnnotationWriter) AnnotationWriter->emitBasicBlockStartAnnot(BB, Out);
1725 // Output all of the instructions in the basic block...
1726 for (BasicBlock::const_iterator I = BB->begin(), E = BB->end(); I != E; ++I) {
1727 printInstructionLine(*I);
1730 if (AnnotationWriter) AnnotationWriter->emitBasicBlockEndAnnot(BB, Out);
1733 /// printInstructionLine - Print an instruction and a newline character.
1734 void AssemblyWriter::printInstructionLine(const Instruction &I) {
1735 printInstruction(I);
1739 /// printInfoComment - Print a little comment after the instruction indicating
1740 /// which slot it occupies.
1742 void AssemblyWriter::printInfoComment(const Value &V) {
1743 if (AnnotationWriter)
1744 AnnotationWriter->printInfoComment(V, Out);
1747 // This member is called for each Instruction in a function..
1748 void AssemblyWriter::printInstruction(const Instruction &I) {
1749 if (AnnotationWriter) AnnotationWriter->emitInstructionAnnot(&I, Out);
1751 // Print out indentation for an instruction.
1754 // Print out name if it exists...
1756 PrintLLVMName(Out, &I);
1758 } else if (!I.getType()->isVoidTy()) {
1759 // Print out the def slot taken.
1760 int SlotNum = Machine.getLocalSlot(&I);
1762 Out << "<badref> = ";
1764 Out << '%' << SlotNum << " = ";
1767 if (isa<CallInst>(I) && cast<CallInst>(I).isTailCall())
1770 // Print out the opcode...
1771 Out << I.getOpcodeName();
1773 // If this is an atomic load or store, print out the atomic marker.
1774 if ((isa<LoadInst>(I) && cast<LoadInst>(I).isAtomic()) ||
1775 (isa<StoreInst>(I) && cast<StoreInst>(I).isAtomic()))
1778 // If this is a volatile operation, print out the volatile marker.
1779 if ((isa<LoadInst>(I) && cast<LoadInst>(I).isVolatile()) ||
1780 (isa<StoreInst>(I) && cast<StoreInst>(I).isVolatile()) ||
1781 (isa<AtomicCmpXchgInst>(I) && cast<AtomicCmpXchgInst>(I).isVolatile()) ||
1782 (isa<AtomicRMWInst>(I) && cast<AtomicRMWInst>(I).isVolatile()))
1785 // Print out optimization information.
1786 WriteOptimizationInfo(Out, &I);
1788 // Print out the compare instruction predicates
1789 if (const CmpInst *CI = dyn_cast<CmpInst>(&I))
1790 Out << ' ' << getPredicateText(CI->getPredicate());
1792 // Print out the atomicrmw operation
1793 if (const AtomicRMWInst *RMWI = dyn_cast<AtomicRMWInst>(&I))
1794 writeAtomicRMWOperation(Out, RMWI->getOperation());
1796 // Print out the type of the operands...
1797 const Value *Operand = I.getNumOperands() ? I.getOperand(0) : 0;
1799 // Special case conditional branches to swizzle the condition out to the front
1800 if (isa<BranchInst>(I) && cast<BranchInst>(I).isConditional()) {
1801 const BranchInst &BI(cast<BranchInst>(I));
1803 writeOperand(BI.getCondition(), true);
1805 writeOperand(BI.getSuccessor(0), true);
1807 writeOperand(BI.getSuccessor(1), true);
1809 } else if (isa<SwitchInst>(I)) {
1810 const SwitchInst& SI(cast<SwitchInst>(I));
1811 // Special case switch instruction to get formatting nice and correct.
1813 writeOperand(SI.getCondition(), true);
1815 writeOperand(SI.getDefaultDest(), true);
1817 for (SwitchInst::ConstCaseIt i = SI.case_begin(), e = SI.case_end();
1820 writeOperand(i.getCaseValue(), true);
1822 writeOperand(i.getCaseSuccessor(), true);
1825 } else if (isa<IndirectBrInst>(I)) {
1826 // Special case indirectbr instruction to get formatting nice and correct.
1828 writeOperand(Operand, true);
1831 for (unsigned i = 1, e = I.getNumOperands(); i != e; ++i) {
1834 writeOperand(I.getOperand(i), true);
1837 } else if (const PHINode *PN = dyn_cast<PHINode>(&I)) {
1839 TypePrinter.print(I.getType(), Out);
1842 for (unsigned op = 0, Eop = PN->getNumIncomingValues(); op < Eop; ++op) {
1843 if (op) Out << ", ";
1845 writeOperand(PN->getIncomingValue(op), false); Out << ", ";
1846 writeOperand(PN->getIncomingBlock(op), false); Out << " ]";
1848 } else if (const ExtractValueInst *EVI = dyn_cast<ExtractValueInst>(&I)) {
1850 writeOperand(I.getOperand(0), true);
1851 for (const unsigned *i = EVI->idx_begin(), *e = EVI->idx_end(); i != e; ++i)
1853 } else if (const InsertValueInst *IVI = dyn_cast<InsertValueInst>(&I)) {
1855 writeOperand(I.getOperand(0), true); Out << ", ";
1856 writeOperand(I.getOperand(1), true);
1857 for (const unsigned *i = IVI->idx_begin(), *e = IVI->idx_end(); i != e; ++i)
1859 } else if (const LandingPadInst *LPI = dyn_cast<LandingPadInst>(&I)) {
1861 TypePrinter.print(I.getType(), Out);
1862 Out << " personality ";
1863 writeOperand(I.getOperand(0), true); Out << '\n';
1865 if (LPI->isCleanup())
1868 for (unsigned i = 0, e = LPI->getNumClauses(); i != e; ++i) {
1869 if (i != 0 || LPI->isCleanup()) Out << "\n";
1870 if (LPI->isCatch(i))
1875 writeOperand(LPI->getClause(i), true);
1877 } else if (isa<ReturnInst>(I) && !Operand) {
1879 } else if (const CallInst *CI = dyn_cast<CallInst>(&I)) {
1880 // Print the calling convention being used.
1881 if (CI->getCallingConv() != CallingConv::C) {
1883 PrintCallingConv(CI->getCallingConv(), Out);
1886 Operand = CI->getCalledValue();
1887 PointerType *PTy = cast<PointerType>(Operand->getType());
1888 FunctionType *FTy = cast<FunctionType>(PTy->getElementType());
1889 Type *RetTy = FTy->getReturnType();
1890 const AttributeSet &PAL = CI->getAttributes();
1892 if (PAL.hasAttributes(AttributeSet::ReturnIndex))
1893 Out << ' ' << PAL.getAsString(AttributeSet::ReturnIndex);
1895 // If possible, print out the short form of the call instruction. We can
1896 // only do this if the first argument is a pointer to a nonvararg function,
1897 // and if the return type is not a pointer to a function.
1900 if (!FTy->isVarArg() &&
1901 (!RetTy->isPointerTy() ||
1902 !cast<PointerType>(RetTy)->getElementType()->isFunctionTy())) {
1903 TypePrinter.print(RetTy, Out);
1905 writeOperand(Operand, false);
1907 writeOperand(Operand, true);
1910 for (unsigned op = 0, Eop = CI->getNumArgOperands(); op < Eop; ++op) {
1913 writeParamOperand(CI->getArgOperand(op), PAL, op + 1);
1916 if (PAL.hasAttributes(AttributeSet::FunctionIndex))
1917 Out << " #" << Machine.getAttributeGroupSlot(PAL.getFnAttributes());
1918 } else if (const InvokeInst *II = dyn_cast<InvokeInst>(&I)) {
1919 Operand = II->getCalledValue();
1920 PointerType *PTy = cast<PointerType>(Operand->getType());
1921 FunctionType *FTy = cast<FunctionType>(PTy->getElementType());
1922 Type *RetTy = FTy->getReturnType();
1923 const AttributeSet &PAL = II->getAttributes();
1925 // Print the calling convention being used.
1926 if (II->getCallingConv() != CallingConv::C) {
1928 PrintCallingConv(II->getCallingConv(), Out);
1931 if (PAL.hasAttributes(AttributeSet::ReturnIndex))
1932 Out << ' ' << PAL.getAsString(AttributeSet::ReturnIndex);
1934 // If possible, print out the short form of the invoke instruction. We can
1935 // only do this if the first argument is a pointer to a nonvararg function,
1936 // and if the return type is not a pointer to a function.
1939 if (!FTy->isVarArg() &&
1940 (!RetTy->isPointerTy() ||
1941 !cast<PointerType>(RetTy)->getElementType()->isFunctionTy())) {
1942 TypePrinter.print(RetTy, Out);
1944 writeOperand(Operand, false);
1946 writeOperand(Operand, true);
1949 for (unsigned op = 0, Eop = II->getNumArgOperands(); op < Eop; ++op) {
1952 writeParamOperand(II->getArgOperand(op), PAL, op + 1);
1956 if (PAL.hasAttributes(AttributeSet::FunctionIndex))
1957 Out << " #" << Machine.getAttributeGroupSlot(PAL.getFnAttributes());
1960 writeOperand(II->getNormalDest(), true);
1962 writeOperand(II->getUnwindDest(), true);
1964 } else if (const AllocaInst *AI = dyn_cast<AllocaInst>(&I)) {
1966 TypePrinter.print(AI->getAllocatedType(), Out);
1967 if (!AI->getArraySize() || AI->isArrayAllocation()) {
1969 writeOperand(AI->getArraySize(), true);
1971 if (AI->getAlignment()) {
1972 Out << ", align " << AI->getAlignment();
1974 } else if (isa<CastInst>(I)) {
1977 writeOperand(Operand, true); // Work with broken code
1980 TypePrinter.print(I.getType(), Out);
1981 } else if (isa<VAArgInst>(I)) {
1984 writeOperand(Operand, true); // Work with broken code
1987 TypePrinter.print(I.getType(), Out);
1988 } else if (Operand) { // Print the normal way.
1990 // PrintAllTypes - Instructions who have operands of all the same type
1991 // omit the type from all but the first operand. If the instruction has
1992 // different type operands (for example br), then they are all printed.
1993 bool PrintAllTypes = false;
1994 Type *TheType = Operand->getType();
1996 // Select, Store and ShuffleVector always print all types.
1997 if (isa<SelectInst>(I) || isa<StoreInst>(I) || isa<ShuffleVectorInst>(I)
1998 || isa<ReturnInst>(I)) {
1999 PrintAllTypes = true;
2001 for (unsigned i = 1, E = I.getNumOperands(); i != E; ++i) {
2002 Operand = I.getOperand(i);
2003 // note that Operand shouldn't be null, but the test helps make dump()
2004 // more tolerant of malformed IR
2005 if (Operand && Operand->getType() != TheType) {
2006 PrintAllTypes = true; // We have differing types! Print them all!
2012 if (!PrintAllTypes) {
2014 TypePrinter.print(TheType, Out);
2018 for (unsigned i = 0, E = I.getNumOperands(); i != E; ++i) {
2020 writeOperand(I.getOperand(i), PrintAllTypes);
2024 // Print atomic ordering/alignment for memory operations
2025 if (const LoadInst *LI = dyn_cast<LoadInst>(&I)) {
2027 writeAtomic(LI->getOrdering(), LI->getSynchScope());
2028 if (LI->getAlignment())
2029 Out << ", align " << LI->getAlignment();
2030 } else if (const StoreInst *SI = dyn_cast<StoreInst>(&I)) {
2032 writeAtomic(SI->getOrdering(), SI->getSynchScope());
2033 if (SI->getAlignment())
2034 Out << ", align " << SI->getAlignment();
2035 } else if (const AtomicCmpXchgInst *CXI = dyn_cast<AtomicCmpXchgInst>(&I)) {
2036 writeAtomic(CXI->getOrdering(), CXI->getSynchScope());
2037 } else if (const AtomicRMWInst *RMWI = dyn_cast<AtomicRMWInst>(&I)) {
2038 writeAtomic(RMWI->getOrdering(), RMWI->getSynchScope());
2039 } else if (const FenceInst *FI = dyn_cast<FenceInst>(&I)) {
2040 writeAtomic(FI->getOrdering(), FI->getSynchScope());
2043 // Print Metadata info.
2044 SmallVector<std::pair<unsigned, MDNode*>, 4> InstMD;
2045 I.getAllMetadata(InstMD);
2046 if (!InstMD.empty()) {
2047 SmallVector<StringRef, 8> MDNames;
2048 I.getType()->getContext().getMDKindNames(MDNames);
2049 for (unsigned i = 0, e = InstMD.size(); i != e; ++i) {
2050 unsigned Kind = InstMD[i].first;
2051 if (Kind < MDNames.size()) {
2052 Out << ", !" << MDNames[Kind];
2054 Out << ", !<unknown kind #" << Kind << ">";
2057 WriteAsOperandInternal(Out, InstMD[i].second, &TypePrinter, &Machine,
2061 printInfoComment(I);
2064 static void WriteMDNodeComment(const MDNode *Node,
2065 formatted_raw_ostream &Out) {
2066 if (Node->getNumOperands() < 1)
2069 Value *Op = Node->getOperand(0);
2070 if (!Op || !isa<ConstantInt>(Op) || cast<ConstantInt>(Op)->getBitWidth() < 32)
2073 DIDescriptor Desc(Node);
2077 unsigned Tag = Desc.getTag();
2078 Out.PadToColumn(50);
2079 if (dwarf::TagString(Tag)) {
2082 } else if (Tag == dwarf::DW_TAG_user_base) {
2083 Out << "; [ DW_TAG_user_base ]";
2087 void AssemblyWriter::writeMDNode(unsigned Slot, const MDNode *Node) {
2088 Out << '!' << Slot << " = metadata ";
2089 printMDNodeBody(Node);
2092 void AssemblyWriter::writeAllMDNodes() {
2093 SmallVector<const MDNode *, 16> Nodes;
2094 Nodes.resize(Machine.mdn_size());
2095 for (SlotTracker::mdn_iterator I = Machine.mdn_begin(), E = Machine.mdn_end();
2097 Nodes[I->second] = cast<MDNode>(I->first);
2099 for (unsigned i = 0, e = Nodes.size(); i != e; ++i) {
2100 writeMDNode(i, Nodes[i]);
2104 void AssemblyWriter::printMDNodeBody(const MDNode *Node) {
2105 WriteMDNodeBodyInternal(Out, Node, &TypePrinter, &Machine, TheModule);
2106 WriteMDNodeComment(Node, Out);
2110 void AssemblyWriter::writeAllAttributeGroups() {
2111 std::vector<std::pair<AttributeSet, unsigned> > asVec;
2112 asVec.resize(Machine.as_size());
2114 for (SlotTracker::as_iterator I = Machine.as_begin(), E = Machine.as_end();
2116 asVec[I->second] = *I;
2118 for (std::vector<std::pair<AttributeSet, unsigned> >::iterator
2119 I = asVec.begin(), E = asVec.end(); I != E; ++I)
2120 Out << "attributes #" << I->second << " = { "
2121 << I->first.getAsString(AttributeSet::FunctionIndex, true) << " }\n";
2126 //===----------------------------------------------------------------------===//
2127 // External Interface declarations
2128 //===----------------------------------------------------------------------===//
2130 void Module::print(raw_ostream &ROS, AssemblyAnnotationWriter *AAW) const {
2131 SlotTracker SlotTable(this);
2132 formatted_raw_ostream OS(ROS);
2133 AssemblyWriter W(OS, SlotTable, this, AAW);
2134 W.printModule(this);
2137 void NamedMDNode::print(raw_ostream &ROS, AssemblyAnnotationWriter *AAW) const {
2138 SlotTracker SlotTable(getParent());
2139 formatted_raw_ostream OS(ROS);
2140 AssemblyWriter W(OS, SlotTable, getParent(), AAW);
2141 W.printNamedMDNode(this);
2144 void Type::print(raw_ostream &OS) const {
2146 OS << "<null Type>";
2150 TP.print(const_cast<Type*>(this), OS);
2152 // If the type is a named struct type, print the body as well.
2153 if (StructType *STy = dyn_cast<StructType>(const_cast<Type*>(this)))
2154 if (!STy->isLiteral()) {
2156 TP.printStructBody(STy, OS);
2160 void Value::print(raw_ostream &ROS, AssemblyAnnotationWriter *AAW) const {
2162 ROS << "printing a <null> value\n";
2165 formatted_raw_ostream OS(ROS);
2166 if (const Instruction *I = dyn_cast<Instruction>(this)) {
2167 const Function *F = I->getParent() ? I->getParent()->getParent() : 0;
2168 SlotTracker SlotTable(F);
2169 AssemblyWriter W(OS, SlotTable, getModuleFromVal(I), AAW);
2170 W.printInstruction(*I);
2171 } else if (const BasicBlock *BB = dyn_cast<BasicBlock>(this)) {
2172 SlotTracker SlotTable(BB->getParent());
2173 AssemblyWriter W(OS, SlotTable, getModuleFromVal(BB), AAW);
2174 W.printBasicBlock(BB);
2175 } else if (const GlobalValue *GV = dyn_cast<GlobalValue>(this)) {
2176 SlotTracker SlotTable(GV->getParent());
2177 AssemblyWriter W(OS, SlotTable, GV->getParent(), AAW);
2178 if (const GlobalVariable *V = dyn_cast<GlobalVariable>(GV))
2180 else if (const Function *F = dyn_cast<Function>(GV))
2183 W.printAlias(cast<GlobalAlias>(GV));
2184 } else if (const MDNode *N = dyn_cast<MDNode>(this)) {
2185 const Function *F = N->getFunction();
2186 SlotTracker SlotTable(F);
2187 AssemblyWriter W(OS, SlotTable, F ? F->getParent() : 0, AAW);
2188 W.printMDNodeBody(N);
2189 } else if (const Constant *C = dyn_cast<Constant>(this)) {
2190 TypePrinting TypePrinter;
2191 TypePrinter.print(C->getType(), OS);
2193 WriteConstantInternal(OS, C, TypePrinter, 0, 0);
2194 } else if (isa<InlineAsm>(this) || isa<MDString>(this) ||
2195 isa<Argument>(this)) {
2196 WriteAsOperand(OS, this, true, 0);
2198 // Otherwise we don't know what it is. Call the virtual function to
2199 // allow a subclass to print itself.
2204 // Value::printCustom - subclasses should override this to implement printing.
2205 void Value::printCustom(raw_ostream &OS) const {
2206 llvm_unreachable("Unknown value to print out!");
2209 // Value::dump - allow easy printing of Values from the debugger.
2210 void Value::dump() const { print(dbgs()); dbgs() << '\n'; }
2212 // Type::dump - allow easy printing of Types from the debugger.
2213 void Type::dump() const { print(dbgs()); }
2215 // Module::dump() - Allow printing of Modules from the debugger.
2216 void Module::dump() const { print(dbgs(), 0); }
2218 // NamedMDNode::dump() - Allow printing of NamedMDNodes from the debugger.
2219 void NamedMDNode::dump() const { print(dbgs(), 0); }