1 //===-- CPPBackend.cpp - Library for converting LLVM code to C++ code -----===//
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 file implements the writing of the LLVM IR as a set of C++ calls to the
11 // LLVM IR interface. The input module is assumed to be verified.
13 //===----------------------------------------------------------------------===//
15 #include "CPPTargetMachine.h"
16 #include "llvm/ADT/SmallPtrSet.h"
17 #include "llvm/ADT/StringExtras.h"
18 #include "llvm/Config/config.h"
19 #include "llvm/IR/CallingConv.h"
20 #include "llvm/IR/Constants.h"
21 #include "llvm/IR/DerivedTypes.h"
22 #include "llvm/IR/InlineAsm.h"
23 #include "llvm/IR/Instruction.h"
24 #include "llvm/IR/Instructions.h"
25 #include "llvm/IR/Module.h"
26 #include "llvm/MC/MCAsmInfo.h"
27 #include "llvm/MC/MCInstrInfo.h"
28 #include "llvm/MC/MCSubtargetInfo.h"
29 #include "llvm/Pass.h"
30 #include "llvm/PassManager.h"
31 #include "llvm/Support/CommandLine.h"
32 #include "llvm/Support/ErrorHandling.h"
33 #include "llvm/Support/FormattedStream.h"
34 #include "llvm/Support/TargetRegistry.h"
42 static cl::opt<std::string>
43 FuncName("cppfname", cl::desc("Specify the name of the generated function"),
44 cl::value_desc("function name"));
57 static cl::opt<WhatToGenerate> GenerationType("cppgen", cl::Optional,
58 cl::desc("Choose what kind of output to generate"),
61 clEnumValN(GenProgram, "program", "Generate a complete program"),
62 clEnumValN(GenModule, "module", "Generate a module definition"),
63 clEnumValN(GenContents, "contents", "Generate contents of a module"),
64 clEnumValN(GenFunction, "function", "Generate a function definition"),
65 clEnumValN(GenFunctions,"functions", "Generate all function definitions"),
66 clEnumValN(GenInline, "inline", "Generate an inline function"),
67 clEnumValN(GenVariable, "variable", "Generate a variable definition"),
68 clEnumValN(GenType, "type", "Generate a type definition"),
73 static cl::opt<std::string> NameToGenerate("cppfor", cl::Optional,
74 cl::desc("Specify the name of the thing to generate"),
77 extern "C" void LLVMInitializeCppBackendTarget() {
78 // Register the target.
79 RegisterTargetMachine<CPPTargetMachine> X(TheCppBackendTarget);
83 typedef std::vector<Type*> TypeList;
84 typedef std::map<Type*,std::string> TypeMap;
85 typedef std::map<const Value*,std::string> ValueMap;
86 typedef std::set<std::string> NameSet;
87 typedef std::set<Type*> TypeSet;
88 typedef std::set<const Value*> ValueSet;
89 typedef std::map<const Value*,std::string> ForwardRefMap;
91 /// CppWriter - This class is the main chunk of code that converts an LLVM
92 /// module to a C++ translation unit.
93 class CppWriter : public ModulePass {
94 formatted_raw_ostream &Out;
95 const Module *TheModule;
100 TypeSet DefinedTypes;
101 ValueSet DefinedValues;
102 ForwardRefMap ForwardRefs;
104 unsigned indent_level;
108 explicit CppWriter(formatted_raw_ostream &o) :
109 ModulePass(ID), Out(o), uniqueNum(0), is_inline(false), indent_level(0){}
111 const char *getPassName() const override { return "C++ backend"; }
113 bool runOnModule(Module &M) override;
115 void printProgram(const std::string& fname, const std::string& modName );
116 void printModule(const std::string& fname, const std::string& modName );
117 void printContents(const std::string& fname, const std::string& modName );
118 void printFunction(const std::string& fname, const std::string& funcName );
119 void printFunctions();
120 void printInline(const std::string& fname, const std::string& funcName );
121 void printVariable(const std::string& fname, const std::string& varName );
122 void printType(const std::string& fname, const std::string& typeName );
124 void error(const std::string& msg);
127 formatted_raw_ostream& nl(formatted_raw_ostream &Out, int delta = 0);
128 inline void in() { indent_level++; }
129 inline void out() { if (indent_level >0) indent_level--; }
132 void printLinkageType(GlobalValue::LinkageTypes LT);
133 void printVisibilityType(GlobalValue::VisibilityTypes VisTypes);
134 void printDLLStorageClassType(GlobalValue::DLLStorageClassTypes DSCType);
135 void printThreadLocalMode(GlobalVariable::ThreadLocalMode TLM);
136 void printCallingConv(CallingConv::ID cc);
137 void printEscapedString(const std::string& str);
138 void printCFP(const ConstantFP* CFP);
140 std::string getCppName(Type* val);
141 inline void printCppName(Type* val);
143 std::string getCppName(const Value* val);
144 inline void printCppName(const Value* val);
146 void printAttributes(const AttributeSet &PAL, const std::string &name);
147 void printType(Type* Ty);
148 void printTypes(const Module* M);
150 void printConstant(const Constant *CPV);
151 void printConstants(const Module* M);
153 void printVariableUses(const GlobalVariable *GV);
154 void printVariableHead(const GlobalVariable *GV);
155 void printVariableBody(const GlobalVariable *GV);
157 void printFunctionUses(const Function *F);
158 void printFunctionHead(const Function *F);
159 void printFunctionBody(const Function *F);
160 void printInstruction(const Instruction *I, const std::string& bbname);
161 std::string getOpName(const Value*);
163 void printModuleBody();
165 } // end anonymous namespace.
167 formatted_raw_ostream &CppWriter::nl(formatted_raw_ostream &Out, int delta) {
169 if (delta >= 0 || indent_level >= unsigned(-delta))
170 indent_level += delta;
171 Out.indent(indent_level);
175 static inline void sanitize(std::string &str) {
176 for (size_t i = 0; i < str.length(); ++i)
177 if (!isalnum(str[i]) && str[i] != '_')
181 static std::string getTypePrefix(Type *Ty) {
182 switch (Ty->getTypeID()) {
183 case Type::VoidTyID: return "void_";
184 case Type::IntegerTyID:
185 return "int" + utostr(cast<IntegerType>(Ty)->getBitWidth()) + "_";
186 case Type::FloatTyID: return "float_";
187 case Type::DoubleTyID: return "double_";
188 case Type::LabelTyID: return "label_";
189 case Type::FunctionTyID: return "func_";
190 case Type::StructTyID: return "struct_";
191 case Type::ArrayTyID: return "array_";
192 case Type::PointerTyID: return "ptr_";
193 case Type::VectorTyID: return "packed_";
194 default: return "other_";
198 void CppWriter::error(const std::string& msg) {
199 report_fatal_error(msg);
202 static inline std::string ftostr(const APFloat& V) {
204 if (&V.getSemantics() == &APFloat::IEEEdouble) {
205 raw_string_ostream(Buf) << V.convertToDouble();
207 } else if (&V.getSemantics() == &APFloat::IEEEsingle) {
208 raw_string_ostream(Buf) << (double)V.convertToFloat();
211 return "<unknown format in ftostr>"; // error
214 // printCFP - Print a floating point constant .. very carefully :)
215 // This makes sure that conversion to/from floating yields the same binary
216 // result so that we don't lose precision.
217 void CppWriter::printCFP(const ConstantFP *CFP) {
219 APFloat APF = APFloat(CFP->getValueAPF()); // copy
220 if (CFP->getType() == Type::getFloatTy(CFP->getContext()))
221 APF.convert(APFloat::IEEEdouble, APFloat::rmNearestTiesToEven, &ignored);
222 Out << "ConstantFP::get(mod->getContext(), ";
226 sprintf(Buffer, "%A", APF.convertToDouble());
227 if ((!strncmp(Buffer, "0x", 2) ||
228 !strncmp(Buffer, "-0x", 3) ||
229 !strncmp(Buffer, "+0x", 3)) &&
230 APF.bitwiseIsEqual(APFloat(atof(Buffer)))) {
231 if (CFP->getType() == Type::getDoubleTy(CFP->getContext()))
232 Out << "BitsToDouble(" << Buffer << ")";
234 Out << "BitsToFloat((float)" << Buffer << ")";
238 std::string StrVal = ftostr(CFP->getValueAPF());
240 while (StrVal[0] == ' ')
241 StrVal.erase(StrVal.begin());
243 // Check to make sure that the stringized number is not some string like
244 // "Inf" or NaN. Check that the string matches the "[-+]?[0-9]" regex.
245 if (((StrVal[0] >= '0' && StrVal[0] <= '9') ||
246 ((StrVal[0] == '-' || StrVal[0] == '+') &&
247 (StrVal[1] >= '0' && StrVal[1] <= '9'))) &&
248 (CFP->isExactlyValue(atof(StrVal.c_str())))) {
249 if (CFP->getType() == Type::getDoubleTy(CFP->getContext()))
252 Out << StrVal << "f";
253 } else if (CFP->getType() == Type::getDoubleTy(CFP->getContext()))
254 Out << "BitsToDouble(0x"
255 << utohexstr(CFP->getValueAPF().bitcastToAPInt().getZExtValue())
256 << "ULL) /* " << StrVal << " */";
258 Out << "BitsToFloat(0x"
259 << utohexstr((uint32_t)CFP->getValueAPF().
260 bitcastToAPInt().getZExtValue())
261 << "U) /* " << StrVal << " */";
269 void CppWriter::printCallingConv(CallingConv::ID cc){
270 // Print the calling convention.
272 case CallingConv::C: Out << "CallingConv::C"; break;
273 case CallingConv::Fast: Out << "CallingConv::Fast"; break;
274 case CallingConv::Cold: Out << "CallingConv::Cold"; break;
275 case CallingConv::FirstTargetCC: Out << "CallingConv::FirstTargetCC"; break;
276 default: Out << cc; break;
280 void CppWriter::printLinkageType(GlobalValue::LinkageTypes LT) {
282 case GlobalValue::InternalLinkage:
283 Out << "GlobalValue::InternalLinkage"; break;
284 case GlobalValue::PrivateLinkage:
285 Out << "GlobalValue::PrivateLinkage"; break;
286 case GlobalValue::AvailableExternallyLinkage:
287 Out << "GlobalValue::AvailableExternallyLinkage "; break;
288 case GlobalValue::LinkOnceAnyLinkage:
289 Out << "GlobalValue::LinkOnceAnyLinkage "; break;
290 case GlobalValue::LinkOnceODRLinkage:
291 Out << "GlobalValue::LinkOnceODRLinkage "; break;
292 case GlobalValue::WeakAnyLinkage:
293 Out << "GlobalValue::WeakAnyLinkage"; break;
294 case GlobalValue::WeakODRLinkage:
295 Out << "GlobalValue::WeakODRLinkage"; break;
296 case GlobalValue::AppendingLinkage:
297 Out << "GlobalValue::AppendingLinkage"; break;
298 case GlobalValue::ExternalLinkage:
299 Out << "GlobalValue::ExternalLinkage"; break;
300 case GlobalValue::ExternalWeakLinkage:
301 Out << "GlobalValue::ExternalWeakLinkage"; break;
302 case GlobalValue::CommonLinkage:
303 Out << "GlobalValue::CommonLinkage"; break;
307 void CppWriter::printVisibilityType(GlobalValue::VisibilityTypes VisType) {
309 case GlobalValue::DefaultVisibility:
310 Out << "GlobalValue::DefaultVisibility";
312 case GlobalValue::HiddenVisibility:
313 Out << "GlobalValue::HiddenVisibility";
315 case GlobalValue::ProtectedVisibility:
316 Out << "GlobalValue::ProtectedVisibility";
321 void CppWriter::printDLLStorageClassType(
322 GlobalValue::DLLStorageClassTypes DSCType) {
324 case GlobalValue::DefaultStorageClass:
325 Out << "GlobalValue::DefaultStorageClass";
327 case GlobalValue::DLLImportStorageClass:
328 Out << "GlobalValue::DLLImportStorageClass";
330 case GlobalValue::DLLExportStorageClass:
331 Out << "GlobalValue::DLLExportStorageClass";
336 void CppWriter::printThreadLocalMode(GlobalVariable::ThreadLocalMode TLM) {
338 case GlobalVariable::NotThreadLocal:
339 Out << "GlobalVariable::NotThreadLocal";
341 case GlobalVariable::GeneralDynamicTLSModel:
342 Out << "GlobalVariable::GeneralDynamicTLSModel";
344 case GlobalVariable::LocalDynamicTLSModel:
345 Out << "GlobalVariable::LocalDynamicTLSModel";
347 case GlobalVariable::InitialExecTLSModel:
348 Out << "GlobalVariable::InitialExecTLSModel";
350 case GlobalVariable::LocalExecTLSModel:
351 Out << "GlobalVariable::LocalExecTLSModel";
356 // printEscapedString - Print each character of the specified string, escaping
357 // it if it is not printable or if it is an escape char.
358 void CppWriter::printEscapedString(const std::string &Str) {
359 for (unsigned i = 0, e = Str.size(); i != e; ++i) {
360 unsigned char C = Str[i];
361 if (isprint(C) && C != '"' && C != '\\') {
365 << (char) ((C/16 < 10) ? ( C/16 +'0') : ( C/16 -10+'A'))
366 << (char)(((C&15) < 10) ? ((C&15)+'0') : ((C&15)-10+'A'));
371 std::string CppWriter::getCppName(Type* Ty) {
372 switch (Ty->getTypeID()) {
376 return "Type::getVoidTy(mod->getContext())";
377 case Type::IntegerTyID: {
378 unsigned BitWidth = cast<IntegerType>(Ty)->getBitWidth();
379 return "IntegerType::get(mod->getContext(), " + utostr(BitWidth) + ")";
381 case Type::X86_FP80TyID:
382 return "Type::getX86_FP80Ty(mod->getContext())";
383 case Type::FloatTyID:
384 return "Type::getFloatTy(mod->getContext())";
385 case Type::DoubleTyID:
386 return "Type::getDoubleTy(mod->getContext())";
387 case Type::LabelTyID:
388 return "Type::getLabelTy(mod->getContext())";
389 case Type::X86_MMXTyID:
390 return "Type::getX86_MMXTy(mod->getContext())";
393 // Now, see if we've seen the type before and return that
394 TypeMap::iterator I = TypeNames.find(Ty);
395 if (I != TypeNames.end())
398 // Okay, let's build a new name for this type. Start with a prefix
399 const char* prefix = nullptr;
400 switch (Ty->getTypeID()) {
401 case Type::FunctionTyID: prefix = "FuncTy_"; break;
402 case Type::StructTyID: prefix = "StructTy_"; break;
403 case Type::ArrayTyID: prefix = "ArrayTy_"; break;
404 case Type::PointerTyID: prefix = "PointerTy_"; break;
405 case Type::VectorTyID: prefix = "VectorTy_"; break;
406 default: prefix = "OtherTy_"; break; // prevent breakage
409 // See if the type has a name in the symboltable and build accordingly
411 if (StructType *STy = dyn_cast<StructType>(Ty))
413 name = STy->getName();
416 name = utostr(uniqueNum++);
418 name = std::string(prefix) + name;
422 return TypeNames[Ty] = name;
425 void CppWriter::printCppName(Type* Ty) {
426 printEscapedString(getCppName(Ty));
429 std::string CppWriter::getCppName(const Value* val) {
431 ValueMap::iterator I = ValueNames.find(val);
432 if (I != ValueNames.end() && I->first == val)
435 if (const GlobalVariable* GV = dyn_cast<GlobalVariable>(val)) {
436 name = std::string("gvar_") +
437 getTypePrefix(GV->getType()->getElementType());
438 } else if (isa<Function>(val)) {
439 name = std::string("func_");
440 } else if (const Constant* C = dyn_cast<Constant>(val)) {
441 name = std::string("const_") + getTypePrefix(C->getType());
442 } else if (const Argument* Arg = dyn_cast<Argument>(val)) {
444 unsigned argNum = std::distance(Arg->getParent()->arg_begin(),
445 Function::const_arg_iterator(Arg)) + 1;
446 name = std::string("arg_") + utostr(argNum);
447 NameSet::iterator NI = UsedNames.find(name);
448 if (NI != UsedNames.end())
449 name += std::string("_") + utostr(uniqueNum++);
450 UsedNames.insert(name);
451 return ValueNames[val] = name;
453 name = getTypePrefix(val->getType());
456 name = getTypePrefix(val->getType());
459 name += val->getName();
461 name += utostr(uniqueNum++);
463 NameSet::iterator NI = UsedNames.find(name);
464 if (NI != UsedNames.end())
465 name += std::string("_") + utostr(uniqueNum++);
466 UsedNames.insert(name);
467 return ValueNames[val] = name;
470 void CppWriter::printCppName(const Value* val) {
471 printEscapedString(getCppName(val));
474 void CppWriter::printAttributes(const AttributeSet &PAL,
475 const std::string &name) {
476 Out << "AttributeSet " << name << "_PAL;";
478 if (!PAL.isEmpty()) {
479 Out << '{'; in(); nl(Out);
480 Out << "SmallVector<AttributeSet, 4> Attrs;"; nl(Out);
481 Out << "AttributeSet PAS;"; in(); nl(Out);
482 for (unsigned i = 0; i < PAL.getNumSlots(); ++i) {
483 unsigned index = PAL.getSlotIndex(i);
484 AttrBuilder attrs(PAL.getSlotAttributes(i), index);
485 Out << "{"; in(); nl(Out);
486 Out << "AttrBuilder B;"; nl(Out);
488 #define HANDLE_ATTR(X) \
489 if (attrs.contains(Attribute::X)) { \
490 Out << "B.addAttribute(Attribute::" #X ");"; nl(Out); \
491 attrs.removeAttribute(Attribute::X); \
496 HANDLE_ATTR(NoReturn);
498 HANDLE_ATTR(StructRet);
499 HANDLE_ATTR(NoUnwind);
500 HANDLE_ATTR(NoAlias);
502 HANDLE_ATTR(InAlloca);
504 HANDLE_ATTR(ReadNone);
505 HANDLE_ATTR(ReadOnly);
506 HANDLE_ATTR(NoInline);
507 HANDLE_ATTR(AlwaysInline);
508 HANDLE_ATTR(OptimizeNone);
509 HANDLE_ATTR(OptimizeForSize);
510 HANDLE_ATTR(StackProtect);
511 HANDLE_ATTR(StackProtectReq);
512 HANDLE_ATTR(StackProtectStrong);
513 HANDLE_ATTR(NoCapture);
514 HANDLE_ATTR(NoRedZone);
515 HANDLE_ATTR(NoImplicitFloat);
517 HANDLE_ATTR(InlineHint);
518 HANDLE_ATTR(ReturnsTwice);
519 HANDLE_ATTR(UWTable);
520 HANDLE_ATTR(NonLazyBind);
521 HANDLE_ATTR(MinSize);
524 if (attrs.contains(Attribute::StackAlignment)) {
525 Out << "B.addStackAlignmentAttr(" << attrs.getStackAlignment()<<')';
527 attrs.removeAttribute(Attribute::StackAlignment);
530 Out << "PAS = AttributeSet::get(mod->getContext(), ";
534 Out << index << "U,";
535 Out << " B);"; out(); nl(Out);
536 Out << "}"; out(); nl(Out);
538 Out << "Attrs.push_back(PAS);"; nl(Out);
540 Out << name << "_PAL = AttributeSet::get(mod->getContext(), Attrs);";
547 void CppWriter::printType(Type* Ty) {
548 // We don't print definitions for primitive types
549 if (Ty->isFloatingPointTy() || Ty->isX86_MMXTy() || Ty->isIntegerTy() ||
550 Ty->isLabelTy() || Ty->isMetadataTy() || Ty->isVoidTy())
553 // If we already defined this type, we don't need to define it again.
554 if (DefinedTypes.find(Ty) != DefinedTypes.end())
557 // Everything below needs the name for the type so get it now.
558 std::string typeName(getCppName(Ty));
560 // Print the type definition
561 switch (Ty->getTypeID()) {
562 case Type::FunctionTyID: {
563 FunctionType* FT = cast<FunctionType>(Ty);
564 Out << "std::vector<Type*>" << typeName << "_args;";
566 FunctionType::param_iterator PI = FT->param_begin();
567 FunctionType::param_iterator PE = FT->param_end();
568 for (; PI != PE; ++PI) {
569 Type* argTy = static_cast<Type*>(*PI);
571 std::string argName(getCppName(argTy));
572 Out << typeName << "_args.push_back(" << argName;
576 printType(FT->getReturnType());
577 std::string retTypeName(getCppName(FT->getReturnType()));
578 Out << "FunctionType* " << typeName << " = FunctionType::get(";
579 in(); nl(Out) << "/*Result=*/" << retTypeName;
581 nl(Out) << "/*Params=*/" << typeName << "_args,";
582 nl(Out) << "/*isVarArg=*/" << (FT->isVarArg() ? "true" : "false") << ");";
587 case Type::StructTyID: {
588 StructType* ST = cast<StructType>(Ty);
589 if (!ST->isLiteral()) {
590 Out << "StructType *" << typeName << " = mod->getTypeByName(\"";
591 printEscapedString(ST->getName());
594 Out << "if (!" << typeName << ") {";
596 Out << typeName << " = ";
597 Out << "StructType::create(mod->getContext(), \"";
598 printEscapedString(ST->getName());
603 // Indicate that this type is now defined.
604 DefinedTypes.insert(Ty);
607 Out << "std::vector<Type*>" << typeName << "_fields;";
609 StructType::element_iterator EI = ST->element_begin();
610 StructType::element_iterator EE = ST->element_end();
611 for (; EI != EE; ++EI) {
612 Type* fieldTy = static_cast<Type*>(*EI);
614 std::string fieldName(getCppName(fieldTy));
615 Out << typeName << "_fields.push_back(" << fieldName;
620 if (ST->isLiteral()) {
621 Out << "StructType *" << typeName << " = ";
622 Out << "StructType::get(" << "mod->getContext(), ";
624 Out << "if (" << typeName << "->isOpaque()) {";
626 Out << typeName << "->setBody(";
629 Out << typeName << "_fields, /*isPacked=*/"
630 << (ST->isPacked() ? "true" : "false") << ");";
632 if (!ST->isLiteral()) {
638 case Type::ArrayTyID: {
639 ArrayType* AT = cast<ArrayType>(Ty);
640 Type* ET = AT->getElementType();
642 if (DefinedTypes.find(Ty) == DefinedTypes.end()) {
643 std::string elemName(getCppName(ET));
644 Out << "ArrayType* " << typeName << " = ArrayType::get("
646 << ", " << utostr(AT->getNumElements()) << ");";
651 case Type::PointerTyID: {
652 PointerType* PT = cast<PointerType>(Ty);
653 Type* ET = PT->getElementType();
655 if (DefinedTypes.find(Ty) == DefinedTypes.end()) {
656 std::string elemName(getCppName(ET));
657 Out << "PointerType* " << typeName << " = PointerType::get("
659 << ", " << utostr(PT->getAddressSpace()) << ");";
664 case Type::VectorTyID: {
665 VectorType* PT = cast<VectorType>(Ty);
666 Type* ET = PT->getElementType();
668 if (DefinedTypes.find(Ty) == DefinedTypes.end()) {
669 std::string elemName(getCppName(ET));
670 Out << "VectorType* " << typeName << " = VectorType::get("
672 << ", " << utostr(PT->getNumElements()) << ");";
678 error("Invalid TypeID");
681 // Indicate that this type is now defined.
682 DefinedTypes.insert(Ty);
684 // Finally, separate the type definition from other with a newline.
688 void CppWriter::printTypes(const Module* M) {
689 // Add all of the global variables to the value table.
690 for (Module::const_global_iterator I = TheModule->global_begin(),
691 E = TheModule->global_end(); I != E; ++I) {
692 if (I->hasInitializer())
693 printType(I->getInitializer()->getType());
694 printType(I->getType());
697 // Add all the functions to the table
698 for (Module::const_iterator FI = TheModule->begin(), FE = TheModule->end();
700 printType(FI->getReturnType());
701 printType(FI->getFunctionType());
702 // Add all the function arguments
703 for (Function::const_arg_iterator AI = FI->arg_begin(),
704 AE = FI->arg_end(); AI != AE; ++AI) {
705 printType(AI->getType());
708 // Add all of the basic blocks and instructions
709 for (Function::const_iterator BB = FI->begin(),
710 E = FI->end(); BB != E; ++BB) {
711 printType(BB->getType());
712 for (BasicBlock::const_iterator I = BB->begin(), E = BB->end(); I!=E;
714 printType(I->getType());
715 for (unsigned i = 0; i < I->getNumOperands(); ++i)
716 printType(I->getOperand(i)->getType());
723 // printConstant - Print out a constant pool entry...
724 void CppWriter::printConstant(const Constant *CV) {
725 // First, if the constant is actually a GlobalValue (variable or function)
726 // or its already in the constant list then we've printed it already and we
728 if (isa<GlobalValue>(CV) || ValueNames.find(CV) != ValueNames.end())
731 std::string constName(getCppName(CV));
732 std::string typeName(getCppName(CV->getType()));
734 if (const ConstantInt *CI = dyn_cast<ConstantInt>(CV)) {
735 std::string constValue = CI->getValue().toString(10, true);
736 Out << "ConstantInt* " << constName
737 << " = ConstantInt::get(mod->getContext(), APInt("
738 << cast<IntegerType>(CI->getType())->getBitWidth()
739 << ", StringRef(\"" << constValue << "\"), 10));";
740 } else if (isa<ConstantAggregateZero>(CV)) {
741 Out << "ConstantAggregateZero* " << constName
742 << " = ConstantAggregateZero::get(" << typeName << ");";
743 } else if (isa<ConstantPointerNull>(CV)) {
744 Out << "ConstantPointerNull* " << constName
745 << " = ConstantPointerNull::get(" << typeName << ");";
746 } else if (const ConstantFP *CFP = dyn_cast<ConstantFP>(CV)) {
747 Out << "ConstantFP* " << constName << " = ";
750 } else if (const ConstantArray *CA = dyn_cast<ConstantArray>(CV)) {
751 Out << "std::vector<Constant*> " << constName << "_elems;";
753 unsigned N = CA->getNumOperands();
754 for (unsigned i = 0; i < N; ++i) {
755 printConstant(CA->getOperand(i)); // recurse to print operands
756 Out << constName << "_elems.push_back("
757 << getCppName(CA->getOperand(i)) << ");";
760 Out << "Constant* " << constName << " = ConstantArray::get("
761 << typeName << ", " << constName << "_elems);";
762 } else if (const ConstantStruct *CS = dyn_cast<ConstantStruct>(CV)) {
763 Out << "std::vector<Constant*> " << constName << "_fields;";
765 unsigned N = CS->getNumOperands();
766 for (unsigned i = 0; i < N; i++) {
767 printConstant(CS->getOperand(i));
768 Out << constName << "_fields.push_back("
769 << getCppName(CS->getOperand(i)) << ");";
772 Out << "Constant* " << constName << " = ConstantStruct::get("
773 << typeName << ", " << constName << "_fields);";
774 } else if (const ConstantVector *CVec = dyn_cast<ConstantVector>(CV)) {
775 Out << "std::vector<Constant*> " << constName << "_elems;";
777 unsigned N = CVec->getNumOperands();
778 for (unsigned i = 0; i < N; ++i) {
779 printConstant(CVec->getOperand(i));
780 Out << constName << "_elems.push_back("
781 << getCppName(CVec->getOperand(i)) << ");";
784 Out << "Constant* " << constName << " = ConstantVector::get("
785 << typeName << ", " << constName << "_elems);";
786 } else if (isa<UndefValue>(CV)) {
787 Out << "UndefValue* " << constName << " = UndefValue::get("
789 } else if (const ConstantDataSequential *CDS =
790 dyn_cast<ConstantDataSequential>(CV)) {
791 if (CDS->isString()) {
792 Out << "Constant *" << constName <<
793 " = ConstantDataArray::getString(mod->getContext(), \"";
794 StringRef Str = CDS->getAsString();
795 bool nullTerminate = false;
796 if (Str.back() == 0) {
797 Str = Str.drop_back();
798 nullTerminate = true;
800 printEscapedString(Str);
801 // Determine if we want null termination or not.
805 Out << "\", false);";// No null terminator
807 // TODO: Could generate more efficient code generating CDS calls instead.
808 Out << "std::vector<Constant*> " << constName << "_elems;";
810 for (unsigned i = 0; i != CDS->getNumElements(); ++i) {
811 Constant *Elt = CDS->getElementAsConstant(i);
813 Out << constName << "_elems.push_back(" << getCppName(Elt) << ");";
816 Out << "Constant* " << constName;
818 if (isa<ArrayType>(CDS->getType()))
819 Out << " = ConstantArray::get(";
821 Out << " = ConstantVector::get(";
822 Out << typeName << ", " << constName << "_elems);";
824 } else if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(CV)) {
825 if (CE->getOpcode() == Instruction::GetElementPtr) {
826 Out << "std::vector<Constant*> " << constName << "_indices;";
828 printConstant(CE->getOperand(0));
829 for (unsigned i = 1; i < CE->getNumOperands(); ++i ) {
830 printConstant(CE->getOperand(i));
831 Out << constName << "_indices.push_back("
832 << getCppName(CE->getOperand(i)) << ");";
835 Out << "Constant* " << constName
836 << " = ConstantExpr::getGetElementPtr("
837 << getCppName(CE->getOperand(0)) << ", "
838 << constName << "_indices);";
839 } else if (CE->isCast()) {
840 printConstant(CE->getOperand(0));
841 Out << "Constant* " << constName << " = ConstantExpr::getCast(";
842 switch (CE->getOpcode()) {
843 default: llvm_unreachable("Invalid cast opcode");
844 case Instruction::Trunc: Out << "Instruction::Trunc"; break;
845 case Instruction::ZExt: Out << "Instruction::ZExt"; break;
846 case Instruction::SExt: Out << "Instruction::SExt"; break;
847 case Instruction::FPTrunc: Out << "Instruction::FPTrunc"; break;
848 case Instruction::FPExt: Out << "Instruction::FPExt"; break;
849 case Instruction::FPToUI: Out << "Instruction::FPToUI"; break;
850 case Instruction::FPToSI: Out << "Instruction::FPToSI"; break;
851 case Instruction::UIToFP: Out << "Instruction::UIToFP"; break;
852 case Instruction::SIToFP: Out << "Instruction::SIToFP"; break;
853 case Instruction::PtrToInt: Out << "Instruction::PtrToInt"; break;
854 case Instruction::IntToPtr: Out << "Instruction::IntToPtr"; break;
855 case Instruction::BitCast: Out << "Instruction::BitCast"; break;
857 Out << ", " << getCppName(CE->getOperand(0)) << ", "
858 << getCppName(CE->getType()) << ");";
860 unsigned N = CE->getNumOperands();
861 for (unsigned i = 0; i < N; ++i ) {
862 printConstant(CE->getOperand(i));
864 Out << "Constant* " << constName << " = ConstantExpr::";
865 switch (CE->getOpcode()) {
866 case Instruction::Add: Out << "getAdd("; break;
867 case Instruction::FAdd: Out << "getFAdd("; break;
868 case Instruction::Sub: Out << "getSub("; break;
869 case Instruction::FSub: Out << "getFSub("; break;
870 case Instruction::Mul: Out << "getMul("; break;
871 case Instruction::FMul: Out << "getFMul("; break;
872 case Instruction::UDiv: Out << "getUDiv("; break;
873 case Instruction::SDiv: Out << "getSDiv("; break;
874 case Instruction::FDiv: Out << "getFDiv("; break;
875 case Instruction::URem: Out << "getURem("; break;
876 case Instruction::SRem: Out << "getSRem("; break;
877 case Instruction::FRem: Out << "getFRem("; break;
878 case Instruction::And: Out << "getAnd("; break;
879 case Instruction::Or: Out << "getOr("; break;
880 case Instruction::Xor: Out << "getXor("; break;
881 case Instruction::ICmp:
882 Out << "getICmp(ICmpInst::ICMP_";
883 switch (CE->getPredicate()) {
884 case ICmpInst::ICMP_EQ: Out << "EQ"; break;
885 case ICmpInst::ICMP_NE: Out << "NE"; break;
886 case ICmpInst::ICMP_SLT: Out << "SLT"; break;
887 case ICmpInst::ICMP_ULT: Out << "ULT"; break;
888 case ICmpInst::ICMP_SGT: Out << "SGT"; break;
889 case ICmpInst::ICMP_UGT: Out << "UGT"; break;
890 case ICmpInst::ICMP_SLE: Out << "SLE"; break;
891 case ICmpInst::ICMP_ULE: Out << "ULE"; break;
892 case ICmpInst::ICMP_SGE: Out << "SGE"; break;
893 case ICmpInst::ICMP_UGE: Out << "UGE"; break;
894 default: error("Invalid ICmp Predicate");
897 case Instruction::FCmp:
898 Out << "getFCmp(FCmpInst::FCMP_";
899 switch (CE->getPredicate()) {
900 case FCmpInst::FCMP_FALSE: Out << "FALSE"; break;
901 case FCmpInst::FCMP_ORD: Out << "ORD"; break;
902 case FCmpInst::FCMP_UNO: Out << "UNO"; break;
903 case FCmpInst::FCMP_OEQ: Out << "OEQ"; break;
904 case FCmpInst::FCMP_UEQ: Out << "UEQ"; break;
905 case FCmpInst::FCMP_ONE: Out << "ONE"; break;
906 case FCmpInst::FCMP_UNE: Out << "UNE"; break;
907 case FCmpInst::FCMP_OLT: Out << "OLT"; break;
908 case FCmpInst::FCMP_ULT: Out << "ULT"; break;
909 case FCmpInst::FCMP_OGT: Out << "OGT"; break;
910 case FCmpInst::FCMP_UGT: Out << "UGT"; break;
911 case FCmpInst::FCMP_OLE: Out << "OLE"; break;
912 case FCmpInst::FCMP_ULE: Out << "ULE"; break;
913 case FCmpInst::FCMP_OGE: Out << "OGE"; break;
914 case FCmpInst::FCMP_UGE: Out << "UGE"; break;
915 case FCmpInst::FCMP_TRUE: Out << "TRUE"; break;
916 default: error("Invalid FCmp Predicate");
919 case Instruction::Shl: Out << "getShl("; break;
920 case Instruction::LShr: Out << "getLShr("; break;
921 case Instruction::AShr: Out << "getAShr("; break;
922 case Instruction::Select: Out << "getSelect("; break;
923 case Instruction::ExtractElement: Out << "getExtractElement("; break;
924 case Instruction::InsertElement: Out << "getInsertElement("; break;
925 case Instruction::ShuffleVector: Out << "getShuffleVector("; break;
927 error("Invalid constant expression");
930 Out << getCppName(CE->getOperand(0));
931 for (unsigned i = 1; i < CE->getNumOperands(); ++i)
932 Out << ", " << getCppName(CE->getOperand(i));
935 } else if (const BlockAddress *BA = dyn_cast<BlockAddress>(CV)) {
936 Out << "Constant* " << constName << " = ";
937 Out << "BlockAddress::get(" << getOpName(BA->getBasicBlock()) << ");";
939 error("Bad Constant");
940 Out << "Constant* " << constName << " = 0; ";
945 void CppWriter::printConstants(const Module* M) {
946 // Traverse all the global variables looking for constant initializers
947 for (Module::const_global_iterator I = TheModule->global_begin(),
948 E = TheModule->global_end(); I != E; ++I)
949 if (I->hasInitializer())
950 printConstant(I->getInitializer());
952 // Traverse the LLVM functions looking for constants
953 for (Module::const_iterator FI = TheModule->begin(), FE = TheModule->end();
955 // Add all of the basic blocks and instructions
956 for (Function::const_iterator BB = FI->begin(),
957 E = FI->end(); BB != E; ++BB) {
958 for (BasicBlock::const_iterator I = BB->begin(), E = BB->end(); I!=E;
960 for (unsigned i = 0; i < I->getNumOperands(); ++i) {
961 if (Constant* C = dyn_cast<Constant>(I->getOperand(i))) {
970 void CppWriter::printVariableUses(const GlobalVariable *GV) {
971 nl(Out) << "// Type Definitions";
973 printType(GV->getType());
974 if (GV->hasInitializer()) {
975 const Constant *Init = GV->getInitializer();
976 printType(Init->getType());
977 if (const Function *F = dyn_cast<Function>(Init)) {
978 nl(Out)<< "/ Function Declarations"; nl(Out);
979 printFunctionHead(F);
980 } else if (const GlobalVariable* gv = dyn_cast<GlobalVariable>(Init)) {
981 nl(Out) << "// Global Variable Declarations"; nl(Out);
982 printVariableHead(gv);
984 nl(Out) << "// Global Variable Definitions"; nl(Out);
985 printVariableBody(gv);
987 nl(Out) << "// Constant Definitions"; nl(Out);
993 void CppWriter::printVariableHead(const GlobalVariable *GV) {
994 nl(Out) << "GlobalVariable* " << getCppName(GV);
996 Out << " = mod->getGlobalVariable(mod->getContext(), ";
997 printEscapedString(GV->getName());
998 Out << ", " << getCppName(GV->getType()->getElementType()) << ",true)";
999 nl(Out) << "if (!" << getCppName(GV) << ") {";
1000 in(); nl(Out) << getCppName(GV);
1002 Out << " = new GlobalVariable(/*Module=*/*mod, ";
1003 nl(Out) << "/*Type=*/";
1004 printCppName(GV->getType()->getElementType());
1006 nl(Out) << "/*isConstant=*/" << (GV->isConstant()?"true":"false");
1008 nl(Out) << "/*Linkage=*/";
1009 printLinkageType(GV->getLinkage());
1011 nl(Out) << "/*Initializer=*/0, ";
1012 if (GV->hasInitializer()) {
1013 Out << "// has initializer, specified below";
1015 nl(Out) << "/*Name=*/\"";
1016 printEscapedString(GV->getName());
1020 if (GV->hasSection()) {
1022 Out << "->setSection(\"";
1023 printEscapedString(GV->getSection());
1027 if (GV->getAlignment()) {
1029 Out << "->setAlignment(" << utostr(GV->getAlignment()) << ");";
1032 if (GV->getVisibility() != GlobalValue::DefaultVisibility) {
1034 Out << "->setVisibility(";
1035 printVisibilityType(GV->getVisibility());
1039 if (GV->getDLLStorageClass() != GlobalValue::DefaultStorageClass) {
1041 Out << "->setDLLStorageClass(";
1042 printDLLStorageClassType(GV->getDLLStorageClass());
1046 if (GV->isThreadLocal()) {
1048 Out << "->setThreadLocalMode(";
1049 printThreadLocalMode(GV->getThreadLocalMode());
1054 out(); Out << "}"; nl(Out);
1058 void CppWriter::printVariableBody(const GlobalVariable *GV) {
1059 if (GV->hasInitializer()) {
1061 Out << "->setInitializer(";
1062 Out << getCppName(GV->getInitializer()) << ");";
1067 std::string CppWriter::getOpName(const Value* V) {
1068 if (!isa<Instruction>(V) || DefinedValues.find(V) != DefinedValues.end())
1069 return getCppName(V);
1071 // See if its alread in the map of forward references, if so just return the
1072 // name we already set up for it
1073 ForwardRefMap::const_iterator I = ForwardRefs.find(V);
1074 if (I != ForwardRefs.end())
1077 // This is a new forward reference. Generate a unique name for it
1078 std::string result(std::string("fwdref_") + utostr(uniqueNum++));
1080 // Yes, this is a hack. An Argument is the smallest instantiable value that
1081 // we can make as a placeholder for the real value. We'll replace these
1082 // Argument instances later.
1083 Out << "Argument* " << result << " = new Argument("
1084 << getCppName(V->getType()) << ");";
1086 ForwardRefs[V] = result;
1090 static StringRef ConvertAtomicOrdering(AtomicOrdering Ordering) {
1092 case NotAtomic: return "NotAtomic";
1093 case Unordered: return "Unordered";
1094 case Monotonic: return "Monotonic";
1095 case Acquire: return "Acquire";
1096 case Release: return "Release";
1097 case AcquireRelease: return "AcquireRelease";
1098 case SequentiallyConsistent: return "SequentiallyConsistent";
1100 llvm_unreachable("Unknown ordering");
1103 static StringRef ConvertAtomicSynchScope(SynchronizationScope SynchScope) {
1104 switch (SynchScope) {
1105 case SingleThread: return "SingleThread";
1106 case CrossThread: return "CrossThread";
1108 llvm_unreachable("Unknown synch scope");
1111 // printInstruction - This member is called for each Instruction in a function.
1112 void CppWriter::printInstruction(const Instruction *I,
1113 const std::string& bbname) {
1114 std::string iName(getCppName(I));
1116 // Before we emit this instruction, we need to take care of generating any
1117 // forward references. So, we get the names of all the operands in advance
1118 const unsigned Ops(I->getNumOperands());
1119 std::string* opNames = new std::string[Ops];
1120 for (unsigned i = 0; i < Ops; i++)
1121 opNames[i] = getOpName(I->getOperand(i));
1123 switch (I->getOpcode()) {
1125 error("Invalid instruction");
1128 case Instruction::Ret: {
1129 const ReturnInst* ret = cast<ReturnInst>(I);
1130 Out << "ReturnInst::Create(mod->getContext(), "
1131 << (ret->getReturnValue() ? opNames[0] + ", " : "") << bbname << ");";
1134 case Instruction::Br: {
1135 const BranchInst* br = cast<BranchInst>(I);
1136 Out << "BranchInst::Create(" ;
1137 if (br->getNumOperands() == 3) {
1138 Out << opNames[2] << ", "
1139 << opNames[1] << ", "
1140 << opNames[0] << ", ";
1142 } else if (br->getNumOperands() == 1) {
1143 Out << opNames[0] << ", ";
1145 error("Branch with 2 operands?");
1147 Out << bbname << ");";
1150 case Instruction::Switch: {
1151 const SwitchInst *SI = cast<SwitchInst>(I);
1152 Out << "SwitchInst* " << iName << " = SwitchInst::Create("
1153 << getOpName(SI->getCondition()) << ", "
1154 << getOpName(SI->getDefaultDest()) << ", "
1155 << SI->getNumCases() << ", " << bbname << ");";
1157 for (SwitchInst::ConstCaseIt i = SI->case_begin(), e = SI->case_end();
1159 const ConstantInt* CaseVal = i.getCaseValue();
1160 const BasicBlock *BB = i.getCaseSuccessor();
1161 Out << iName << "->addCase("
1162 << getOpName(CaseVal) << ", "
1163 << getOpName(BB) << ");";
1168 case Instruction::IndirectBr: {
1169 const IndirectBrInst *IBI = cast<IndirectBrInst>(I);
1170 Out << "IndirectBrInst *" << iName << " = IndirectBrInst::Create("
1171 << opNames[0] << ", " << IBI->getNumDestinations() << ");";
1173 for (unsigned i = 1; i != IBI->getNumOperands(); ++i) {
1174 Out << iName << "->addDestination(" << opNames[i] << ");";
1179 case Instruction::Resume: {
1180 Out << "ResumeInst::Create(" << opNames[0] << ", " << bbname << ");";
1183 case Instruction::Invoke: {
1184 const InvokeInst* inv = cast<InvokeInst>(I);
1185 Out << "std::vector<Value*> " << iName << "_params;";
1187 for (unsigned i = 0; i < inv->getNumArgOperands(); ++i) {
1188 Out << iName << "_params.push_back("
1189 << getOpName(inv->getArgOperand(i)) << ");";
1192 // FIXME: This shouldn't use magic numbers -3, -2, and -1.
1193 Out << "InvokeInst *" << iName << " = InvokeInst::Create("
1194 << getOpName(inv->getCalledValue()) << ", "
1195 << getOpName(inv->getNormalDest()) << ", "
1196 << getOpName(inv->getUnwindDest()) << ", "
1197 << iName << "_params, \"";
1198 printEscapedString(inv->getName());
1199 Out << "\", " << bbname << ");";
1200 nl(Out) << iName << "->setCallingConv(";
1201 printCallingConv(inv->getCallingConv());
1203 printAttributes(inv->getAttributes(), iName);
1204 Out << iName << "->setAttributes(" << iName << "_PAL);";
1208 case Instruction::Unreachable: {
1209 Out << "new UnreachableInst("
1210 << "mod->getContext(), "
1214 case Instruction::Add:
1215 case Instruction::FAdd:
1216 case Instruction::Sub:
1217 case Instruction::FSub:
1218 case Instruction::Mul:
1219 case Instruction::FMul:
1220 case Instruction::UDiv:
1221 case Instruction::SDiv:
1222 case Instruction::FDiv:
1223 case Instruction::URem:
1224 case Instruction::SRem:
1225 case Instruction::FRem:
1226 case Instruction::And:
1227 case Instruction::Or:
1228 case Instruction::Xor:
1229 case Instruction::Shl:
1230 case Instruction::LShr:
1231 case Instruction::AShr:{
1232 Out << "BinaryOperator* " << iName << " = BinaryOperator::Create(";
1233 switch (I->getOpcode()) {
1234 case Instruction::Add: Out << "Instruction::Add"; break;
1235 case Instruction::FAdd: Out << "Instruction::FAdd"; break;
1236 case Instruction::Sub: Out << "Instruction::Sub"; break;
1237 case Instruction::FSub: Out << "Instruction::FSub"; break;
1238 case Instruction::Mul: Out << "Instruction::Mul"; break;
1239 case Instruction::FMul: Out << "Instruction::FMul"; break;
1240 case Instruction::UDiv:Out << "Instruction::UDiv"; break;
1241 case Instruction::SDiv:Out << "Instruction::SDiv"; break;
1242 case Instruction::FDiv:Out << "Instruction::FDiv"; break;
1243 case Instruction::URem:Out << "Instruction::URem"; break;
1244 case Instruction::SRem:Out << "Instruction::SRem"; break;
1245 case Instruction::FRem:Out << "Instruction::FRem"; break;
1246 case Instruction::And: Out << "Instruction::And"; break;
1247 case Instruction::Or: Out << "Instruction::Or"; break;
1248 case Instruction::Xor: Out << "Instruction::Xor"; break;
1249 case Instruction::Shl: Out << "Instruction::Shl"; break;
1250 case Instruction::LShr:Out << "Instruction::LShr"; break;
1251 case Instruction::AShr:Out << "Instruction::AShr"; break;
1252 default: Out << "Instruction::BadOpCode"; break;
1254 Out << ", " << opNames[0] << ", " << opNames[1] << ", \"";
1255 printEscapedString(I->getName());
1256 Out << "\", " << bbname << ");";
1259 case Instruction::FCmp: {
1260 Out << "FCmpInst* " << iName << " = new FCmpInst(*" << bbname << ", ";
1261 switch (cast<FCmpInst>(I)->getPredicate()) {
1262 case FCmpInst::FCMP_FALSE: Out << "FCmpInst::FCMP_FALSE"; break;
1263 case FCmpInst::FCMP_OEQ : Out << "FCmpInst::FCMP_OEQ"; break;
1264 case FCmpInst::FCMP_OGT : Out << "FCmpInst::FCMP_OGT"; break;
1265 case FCmpInst::FCMP_OGE : Out << "FCmpInst::FCMP_OGE"; break;
1266 case FCmpInst::FCMP_OLT : Out << "FCmpInst::FCMP_OLT"; break;
1267 case FCmpInst::FCMP_OLE : Out << "FCmpInst::FCMP_OLE"; break;
1268 case FCmpInst::FCMP_ONE : Out << "FCmpInst::FCMP_ONE"; break;
1269 case FCmpInst::FCMP_ORD : Out << "FCmpInst::FCMP_ORD"; break;
1270 case FCmpInst::FCMP_UNO : Out << "FCmpInst::FCMP_UNO"; break;
1271 case FCmpInst::FCMP_UEQ : Out << "FCmpInst::FCMP_UEQ"; break;
1272 case FCmpInst::FCMP_UGT : Out << "FCmpInst::FCMP_UGT"; break;
1273 case FCmpInst::FCMP_UGE : Out << "FCmpInst::FCMP_UGE"; break;
1274 case FCmpInst::FCMP_ULT : Out << "FCmpInst::FCMP_ULT"; break;
1275 case FCmpInst::FCMP_ULE : Out << "FCmpInst::FCMP_ULE"; break;
1276 case FCmpInst::FCMP_UNE : Out << "FCmpInst::FCMP_UNE"; break;
1277 case FCmpInst::FCMP_TRUE : Out << "FCmpInst::FCMP_TRUE"; break;
1278 default: Out << "FCmpInst::BAD_ICMP_PREDICATE"; break;
1280 Out << ", " << opNames[0] << ", " << opNames[1] << ", \"";
1281 printEscapedString(I->getName());
1285 case Instruction::ICmp: {
1286 Out << "ICmpInst* " << iName << " = new ICmpInst(*" << bbname << ", ";
1287 switch (cast<ICmpInst>(I)->getPredicate()) {
1288 case ICmpInst::ICMP_EQ: Out << "ICmpInst::ICMP_EQ"; break;
1289 case ICmpInst::ICMP_NE: Out << "ICmpInst::ICMP_NE"; break;
1290 case ICmpInst::ICMP_ULE: Out << "ICmpInst::ICMP_ULE"; break;
1291 case ICmpInst::ICMP_SLE: Out << "ICmpInst::ICMP_SLE"; break;
1292 case ICmpInst::ICMP_UGE: Out << "ICmpInst::ICMP_UGE"; break;
1293 case ICmpInst::ICMP_SGE: Out << "ICmpInst::ICMP_SGE"; break;
1294 case ICmpInst::ICMP_ULT: Out << "ICmpInst::ICMP_ULT"; break;
1295 case ICmpInst::ICMP_SLT: Out << "ICmpInst::ICMP_SLT"; break;
1296 case ICmpInst::ICMP_UGT: Out << "ICmpInst::ICMP_UGT"; break;
1297 case ICmpInst::ICMP_SGT: Out << "ICmpInst::ICMP_SGT"; break;
1298 default: Out << "ICmpInst::BAD_ICMP_PREDICATE"; break;
1300 Out << ", " << opNames[0] << ", " << opNames[1] << ", \"";
1301 printEscapedString(I->getName());
1305 case Instruction::Alloca: {
1306 const AllocaInst* allocaI = cast<AllocaInst>(I);
1307 Out << "AllocaInst* " << iName << " = new AllocaInst("
1308 << getCppName(allocaI->getAllocatedType()) << ", ";
1309 if (allocaI->isArrayAllocation())
1310 Out << opNames[0] << ", ";
1312 printEscapedString(allocaI->getName());
1313 Out << "\", " << bbname << ");";
1314 if (allocaI->getAlignment())
1315 nl(Out) << iName << "->setAlignment("
1316 << allocaI->getAlignment() << ");";
1319 case Instruction::Load: {
1320 const LoadInst* load = cast<LoadInst>(I);
1321 Out << "LoadInst* " << iName << " = new LoadInst("
1322 << opNames[0] << ", \"";
1323 printEscapedString(load->getName());
1324 Out << "\", " << (load->isVolatile() ? "true" : "false" )
1325 << ", " << bbname << ");";
1326 if (load->getAlignment())
1327 nl(Out) << iName << "->setAlignment("
1328 << load->getAlignment() << ");";
1329 if (load->isAtomic()) {
1330 StringRef Ordering = ConvertAtomicOrdering(load->getOrdering());
1331 StringRef CrossThread = ConvertAtomicSynchScope(load->getSynchScope());
1332 nl(Out) << iName << "->setAtomic("
1333 << Ordering << ", " << CrossThread << ");";
1337 case Instruction::Store: {
1338 const StoreInst* store = cast<StoreInst>(I);
1339 Out << "StoreInst* " << iName << " = new StoreInst("
1340 << opNames[0] << ", "
1341 << opNames[1] << ", "
1342 << (store->isVolatile() ? "true" : "false")
1343 << ", " << bbname << ");";
1344 if (store->getAlignment())
1345 nl(Out) << iName << "->setAlignment("
1346 << store->getAlignment() << ");";
1347 if (store->isAtomic()) {
1348 StringRef Ordering = ConvertAtomicOrdering(store->getOrdering());
1349 StringRef CrossThread = ConvertAtomicSynchScope(store->getSynchScope());
1350 nl(Out) << iName << "->setAtomic("
1351 << Ordering << ", " << CrossThread << ");";
1355 case Instruction::GetElementPtr: {
1356 const GetElementPtrInst* gep = cast<GetElementPtrInst>(I);
1357 if (gep->getNumOperands() <= 2) {
1358 Out << "GetElementPtrInst* " << iName << " = GetElementPtrInst::Create("
1360 if (gep->getNumOperands() == 2)
1361 Out << ", " << opNames[1];
1363 Out << "std::vector<Value*> " << iName << "_indices;";
1365 for (unsigned i = 1; i < gep->getNumOperands(); ++i ) {
1366 Out << iName << "_indices.push_back("
1367 << opNames[i] << ");";
1370 Out << "Instruction* " << iName << " = GetElementPtrInst::Create("
1371 << opNames[0] << ", " << iName << "_indices";
1374 printEscapedString(gep->getName());
1375 Out << "\", " << bbname << ");";
1378 case Instruction::PHI: {
1379 const PHINode* phi = cast<PHINode>(I);
1381 Out << "PHINode* " << iName << " = PHINode::Create("
1382 << getCppName(phi->getType()) << ", "
1383 << phi->getNumIncomingValues() << ", \"";
1384 printEscapedString(phi->getName());
1385 Out << "\", " << bbname << ");";
1387 for (unsigned i = 0; i < phi->getNumIncomingValues(); ++i) {
1388 Out << iName << "->addIncoming("
1389 << opNames[PHINode::getOperandNumForIncomingValue(i)] << ", "
1390 << getOpName(phi->getIncomingBlock(i)) << ");";
1395 case Instruction::Trunc:
1396 case Instruction::ZExt:
1397 case Instruction::SExt:
1398 case Instruction::FPTrunc:
1399 case Instruction::FPExt:
1400 case Instruction::FPToUI:
1401 case Instruction::FPToSI:
1402 case Instruction::UIToFP:
1403 case Instruction::SIToFP:
1404 case Instruction::PtrToInt:
1405 case Instruction::IntToPtr:
1406 case Instruction::BitCast: {
1407 const CastInst* cst = cast<CastInst>(I);
1408 Out << "CastInst* " << iName << " = new ";
1409 switch (I->getOpcode()) {
1410 case Instruction::Trunc: Out << "TruncInst"; break;
1411 case Instruction::ZExt: Out << "ZExtInst"; break;
1412 case Instruction::SExt: Out << "SExtInst"; break;
1413 case Instruction::FPTrunc: Out << "FPTruncInst"; break;
1414 case Instruction::FPExt: Out << "FPExtInst"; break;
1415 case Instruction::FPToUI: Out << "FPToUIInst"; break;
1416 case Instruction::FPToSI: Out << "FPToSIInst"; break;
1417 case Instruction::UIToFP: Out << "UIToFPInst"; break;
1418 case Instruction::SIToFP: Out << "SIToFPInst"; break;
1419 case Instruction::PtrToInt: Out << "PtrToIntInst"; break;
1420 case Instruction::IntToPtr: Out << "IntToPtrInst"; break;
1421 case Instruction::BitCast: Out << "BitCastInst"; break;
1422 default: llvm_unreachable("Unreachable");
1424 Out << "(" << opNames[0] << ", "
1425 << getCppName(cst->getType()) << ", \"";
1426 printEscapedString(cst->getName());
1427 Out << "\", " << bbname << ");";
1430 case Instruction::Call: {
1431 const CallInst* call = cast<CallInst>(I);
1432 if (const InlineAsm* ila = dyn_cast<InlineAsm>(call->getCalledValue())) {
1433 Out << "InlineAsm* " << getCppName(ila) << " = InlineAsm::get("
1434 << getCppName(ila->getFunctionType()) << ", \""
1435 << ila->getAsmString() << "\", \""
1436 << ila->getConstraintString() << "\","
1437 << (ila->hasSideEffects() ? "true" : "false") << ");";
1440 if (call->getNumArgOperands() > 1) {
1441 Out << "std::vector<Value*> " << iName << "_params;";
1443 for (unsigned i = 0; i < call->getNumArgOperands(); ++i) {
1444 Out << iName << "_params.push_back(" << opNames[i] << ");";
1447 Out << "CallInst* " << iName << " = CallInst::Create("
1448 << opNames[call->getNumArgOperands()] << ", "
1449 << iName << "_params, \"";
1450 } else if (call->getNumArgOperands() == 1) {
1451 Out << "CallInst* " << iName << " = CallInst::Create("
1452 << opNames[call->getNumArgOperands()] << ", " << opNames[0] << ", \"";
1454 Out << "CallInst* " << iName << " = CallInst::Create("
1455 << opNames[call->getNumArgOperands()] << ", \"";
1457 printEscapedString(call->getName());
1458 Out << "\", " << bbname << ");";
1459 nl(Out) << iName << "->setCallingConv(";
1460 printCallingConv(call->getCallingConv());
1462 nl(Out) << iName << "->setTailCall("
1463 << (call->isTailCall() ? "true" : "false");
1466 printAttributes(call->getAttributes(), iName);
1467 Out << iName << "->setAttributes(" << iName << "_PAL);";
1471 case Instruction::Select: {
1472 const SelectInst* sel = cast<SelectInst>(I);
1473 Out << "SelectInst* " << getCppName(sel) << " = SelectInst::Create(";
1474 Out << opNames[0] << ", " << opNames[1] << ", " << opNames[2] << ", \"";
1475 printEscapedString(sel->getName());
1476 Out << "\", " << bbname << ");";
1479 case Instruction::UserOp1:
1481 case Instruction::UserOp2: {
1482 /// FIXME: What should be done here?
1485 case Instruction::VAArg: {
1486 const VAArgInst* va = cast<VAArgInst>(I);
1487 Out << "VAArgInst* " << getCppName(va) << " = new VAArgInst("
1488 << opNames[0] << ", " << getCppName(va->getType()) << ", \"";
1489 printEscapedString(va->getName());
1490 Out << "\", " << bbname << ");";
1493 case Instruction::ExtractElement: {
1494 const ExtractElementInst* eei = cast<ExtractElementInst>(I);
1495 Out << "ExtractElementInst* " << getCppName(eei)
1496 << " = new ExtractElementInst(" << opNames[0]
1497 << ", " << opNames[1] << ", \"";
1498 printEscapedString(eei->getName());
1499 Out << "\", " << bbname << ");";
1502 case Instruction::InsertElement: {
1503 const InsertElementInst* iei = cast<InsertElementInst>(I);
1504 Out << "InsertElementInst* " << getCppName(iei)
1505 << " = InsertElementInst::Create(" << opNames[0]
1506 << ", " << opNames[1] << ", " << opNames[2] << ", \"";
1507 printEscapedString(iei->getName());
1508 Out << "\", " << bbname << ");";
1511 case Instruction::ShuffleVector: {
1512 const ShuffleVectorInst* svi = cast<ShuffleVectorInst>(I);
1513 Out << "ShuffleVectorInst* " << getCppName(svi)
1514 << " = new ShuffleVectorInst(" << opNames[0]
1515 << ", " << opNames[1] << ", " << opNames[2] << ", \"";
1516 printEscapedString(svi->getName());
1517 Out << "\", " << bbname << ");";
1520 case Instruction::ExtractValue: {
1521 const ExtractValueInst *evi = cast<ExtractValueInst>(I);
1522 Out << "std::vector<unsigned> " << iName << "_indices;";
1524 for (unsigned i = 0; i < evi->getNumIndices(); ++i) {
1525 Out << iName << "_indices.push_back("
1526 << evi->idx_begin()[i] << ");";
1529 Out << "ExtractValueInst* " << getCppName(evi)
1530 << " = ExtractValueInst::Create(" << opNames[0]
1532 << iName << "_indices, \"";
1533 printEscapedString(evi->getName());
1534 Out << "\", " << bbname << ");";
1537 case Instruction::InsertValue: {
1538 const InsertValueInst *ivi = cast<InsertValueInst>(I);
1539 Out << "std::vector<unsigned> " << iName << "_indices;";
1541 for (unsigned i = 0; i < ivi->getNumIndices(); ++i) {
1542 Out << iName << "_indices.push_back("
1543 << ivi->idx_begin()[i] << ");";
1546 Out << "InsertValueInst* " << getCppName(ivi)
1547 << " = InsertValueInst::Create(" << opNames[0]
1548 << ", " << opNames[1] << ", "
1549 << iName << "_indices, \"";
1550 printEscapedString(ivi->getName());
1551 Out << "\", " << bbname << ");";
1554 case Instruction::Fence: {
1555 const FenceInst *fi = cast<FenceInst>(I);
1556 StringRef Ordering = ConvertAtomicOrdering(fi->getOrdering());
1557 StringRef CrossThread = ConvertAtomicSynchScope(fi->getSynchScope());
1558 Out << "FenceInst* " << iName
1559 << " = new FenceInst(mod->getContext(), "
1560 << Ordering << ", " << CrossThread << ", " << bbname
1564 case Instruction::AtomicCmpXchg: {
1565 const AtomicCmpXchgInst *cxi = cast<AtomicCmpXchgInst>(I);
1566 StringRef SuccessOrdering =
1567 ConvertAtomicOrdering(cxi->getSuccessOrdering());
1568 StringRef FailureOrdering =
1569 ConvertAtomicOrdering(cxi->getFailureOrdering());
1570 StringRef CrossThread = ConvertAtomicSynchScope(cxi->getSynchScope());
1571 Out << "AtomicCmpXchgInst* " << iName
1572 << " = new AtomicCmpXchgInst("
1573 << opNames[0] << ", " << opNames[1] << ", " << opNames[2] << ", "
1574 << SuccessOrdering << ", " << FailureOrdering << ", "
1575 << CrossThread << ", " << bbname
1577 nl(Out) << iName << "->setName(\"";
1578 printEscapedString(cxi->getName());
1582 case Instruction::AtomicRMW: {
1583 const AtomicRMWInst *rmwi = cast<AtomicRMWInst>(I);
1584 StringRef Ordering = ConvertAtomicOrdering(rmwi->getOrdering());
1585 StringRef CrossThread = ConvertAtomicSynchScope(rmwi->getSynchScope());
1586 StringRef Operation;
1587 switch (rmwi->getOperation()) {
1588 case AtomicRMWInst::Xchg: Operation = "AtomicRMWInst::Xchg"; break;
1589 case AtomicRMWInst::Add: Operation = "AtomicRMWInst::Add"; break;
1590 case AtomicRMWInst::Sub: Operation = "AtomicRMWInst::Sub"; break;
1591 case AtomicRMWInst::And: Operation = "AtomicRMWInst::And"; break;
1592 case AtomicRMWInst::Nand: Operation = "AtomicRMWInst::Nand"; break;
1593 case AtomicRMWInst::Or: Operation = "AtomicRMWInst::Or"; break;
1594 case AtomicRMWInst::Xor: Operation = "AtomicRMWInst::Xor"; break;
1595 case AtomicRMWInst::Max: Operation = "AtomicRMWInst::Max"; break;
1596 case AtomicRMWInst::Min: Operation = "AtomicRMWInst::Min"; break;
1597 case AtomicRMWInst::UMax: Operation = "AtomicRMWInst::UMax"; break;
1598 case AtomicRMWInst::UMin: Operation = "AtomicRMWInst::UMin"; break;
1599 case AtomicRMWInst::BAD_BINOP: llvm_unreachable("Bad atomic operation");
1601 Out << "AtomicRMWInst* " << iName
1602 << " = new AtomicRMWInst("
1603 << Operation << ", "
1604 << opNames[0] << ", " << opNames[1] << ", "
1605 << Ordering << ", " << CrossThread << ", " << bbname
1607 nl(Out) << iName << "->setName(\"";
1608 printEscapedString(rmwi->getName());
1612 case Instruction::LandingPad: {
1613 const LandingPadInst *lpi = cast<LandingPadInst>(I);
1614 Out << "LandingPadInst* " << iName << " = LandingPadInst::Create(";
1615 printCppName(lpi->getType());
1616 Out << ", " << opNames[0] << ", " << lpi->getNumClauses() << ", \"";
1617 printEscapedString(lpi->getName());
1618 Out << "\", " << bbname << ");";
1619 nl(Out) << iName << "->setCleanup("
1620 << (lpi->isCleanup() ? "true" : "false")
1622 for (unsigned i = 0, e = lpi->getNumClauses(); i != e; ++i)
1623 nl(Out) << iName << "->addClause(" << opNames[i+1] << ");";
1627 DefinedValues.insert(I);
1632 // Print out the types, constants and declarations needed by one function
1633 void CppWriter::printFunctionUses(const Function* F) {
1634 nl(Out) << "// Type Definitions"; nl(Out);
1636 // Print the function's return type
1637 printType(F->getReturnType());
1639 // Print the function's function type
1640 printType(F->getFunctionType());
1642 // Print the types of each of the function's arguments
1643 for (Function::const_arg_iterator AI = F->arg_begin(), AE = F->arg_end();
1645 printType(AI->getType());
1649 // Print type definitions for every type referenced by an instruction and
1650 // make a note of any global values or constants that are referenced
1651 SmallPtrSet<GlobalValue*,64> gvs;
1652 SmallPtrSet<Constant*,64> consts;
1653 for (Function::const_iterator BB = F->begin(), BE = F->end();
1655 for (BasicBlock::const_iterator I = BB->begin(), E = BB->end();
1657 // Print the type of the instruction itself
1658 printType(I->getType());
1660 // Print the type of each of the instruction's operands
1661 for (unsigned i = 0; i < I->getNumOperands(); ++i) {
1662 Value* operand = I->getOperand(i);
1663 printType(operand->getType());
1665 // If the operand references a GVal or Constant, make a note of it
1666 if (GlobalValue* GV = dyn_cast<GlobalValue>(operand)) {
1668 if (GenerationType != GenFunction)
1669 if (GlobalVariable *GVar = dyn_cast<GlobalVariable>(GV))
1670 if (GVar->hasInitializer())
1671 consts.insert(GVar->getInitializer());
1672 } else if (Constant* C = dyn_cast<Constant>(operand)) {
1674 for (unsigned j = 0; j < C->getNumOperands(); ++j) {
1675 // If the operand references a GVal or Constant, make a note of it
1676 Value* operand = C->getOperand(j);
1677 printType(operand->getType());
1678 if (GlobalValue* GV = dyn_cast<GlobalValue>(operand)) {
1680 if (GenerationType != GenFunction)
1681 if (GlobalVariable *GVar = dyn_cast<GlobalVariable>(GV))
1682 if (GVar->hasInitializer())
1683 consts.insert(GVar->getInitializer());
1691 // Print the function declarations for any functions encountered
1692 nl(Out) << "// Function Declarations"; nl(Out);
1693 for (auto *GV : gvs) {
1694 if (Function *Fun = dyn_cast<Function>(GV)) {
1695 if (!is_inline || Fun != F)
1696 printFunctionHead(Fun);
1700 // Print the global variable declarations for any variables encountered
1701 nl(Out) << "// Global Variable Declarations"; nl(Out);
1702 for (auto *GV : gvs) {
1703 if (GlobalVariable *F = dyn_cast<GlobalVariable>(GV))
1704 printVariableHead(F);
1707 // Print the constants found
1708 nl(Out) << "// Constant Definitions"; nl(Out);
1709 for (const auto *C : consts) {
1713 // Process the global variables definitions now that all the constants have
1714 // been emitted. These definitions just couple the gvars with their constant
1716 if (GenerationType != GenFunction) {
1717 nl(Out) << "// Global Variable Definitions"; nl(Out);
1718 for (const auto &GV : gvs) {
1719 if (GlobalVariable *Var = dyn_cast<GlobalVariable>(GV))
1720 printVariableBody(Var);
1725 void CppWriter::printFunctionHead(const Function* F) {
1726 nl(Out) << "Function* " << getCppName(F);
1727 Out << " = mod->getFunction(\"";
1728 printEscapedString(F->getName());
1730 nl(Out) << "if (!" << getCppName(F) << ") {";
1731 nl(Out) << getCppName(F);
1733 Out<< " = Function::Create(";
1734 nl(Out,1) << "/*Type=*/" << getCppName(F->getFunctionType()) << ",";
1735 nl(Out) << "/*Linkage=*/";
1736 printLinkageType(F->getLinkage());
1738 nl(Out) << "/*Name=*/\"";
1739 printEscapedString(F->getName());
1740 Out << "\", mod); " << (F->isDeclaration()? "// (external, no body)" : "");
1743 Out << "->setCallingConv(";
1744 printCallingConv(F->getCallingConv());
1747 if (F->hasSection()) {
1749 Out << "->setSection(\"" << F->getSection() << "\");";
1752 if (F->getAlignment()) {
1754 Out << "->setAlignment(" << F->getAlignment() << ");";
1757 if (F->getVisibility() != GlobalValue::DefaultVisibility) {
1759 Out << "->setVisibility(";
1760 printVisibilityType(F->getVisibility());
1764 if (F->getDLLStorageClass() != GlobalValue::DefaultStorageClass) {
1766 Out << "->setDLLStorageClass(";
1767 printDLLStorageClassType(F->getDLLStorageClass());
1773 Out << "->setGC(\"" << F->getGC() << "\");";
1778 printAttributes(F->getAttributes(), getCppName(F));
1780 Out << "->setAttributes(" << getCppName(F) << "_PAL);";
1784 void CppWriter::printFunctionBody(const Function *F) {
1785 if (F->isDeclaration())
1786 return; // external functions have no bodies.
1788 // Clear the DefinedValues and ForwardRefs maps because we can't have
1789 // cross-function forward refs
1790 ForwardRefs.clear();
1791 DefinedValues.clear();
1793 // Create all the argument values
1795 if (!F->arg_empty()) {
1796 Out << "Function::arg_iterator args = " << getCppName(F)
1797 << "->arg_begin();";
1800 for (Function::const_arg_iterator AI = F->arg_begin(), AE = F->arg_end();
1802 Out << "Value* " << getCppName(AI) << " = args++;";
1804 if (AI->hasName()) {
1805 Out << getCppName(AI) << "->setName(\"";
1806 printEscapedString(AI->getName());
1813 // Create all the basic blocks
1815 for (Function::const_iterator BI = F->begin(), BE = F->end();
1817 std::string bbname(getCppName(BI));
1818 Out << "BasicBlock* " << bbname <<
1819 " = BasicBlock::Create(mod->getContext(), \"";
1821 printEscapedString(BI->getName());
1822 Out << "\"," << getCppName(BI->getParent()) << ",0);";
1826 // Output all of its basic blocks... for the function
1827 for (Function::const_iterator BI = F->begin(), BE = F->end();
1829 std::string bbname(getCppName(BI));
1830 nl(Out) << "// Block " << BI->getName() << " (" << bbname << ")";
1833 // Output all of the instructions in the basic block...
1834 for (BasicBlock::const_iterator I = BI->begin(), E = BI->end();
1836 printInstruction(I,bbname);
1840 // Loop over the ForwardRefs and resolve them now that all instructions
1842 if (!ForwardRefs.empty()) {
1843 nl(Out) << "// Resolve Forward References";
1847 while (!ForwardRefs.empty()) {
1848 ForwardRefMap::iterator I = ForwardRefs.begin();
1849 Out << I->second << "->replaceAllUsesWith("
1850 << getCppName(I->first) << "); delete " << I->second << ";";
1852 ForwardRefs.erase(I);
1856 void CppWriter::printInline(const std::string& fname,
1857 const std::string& func) {
1858 const Function* F = TheModule->getFunction(func);
1860 error(std::string("Function '") + func + "' not found in input module");
1863 if (F->isDeclaration()) {
1864 error(std::string("Function '") + func + "' is external!");
1867 nl(Out) << "BasicBlock* " << fname << "(Module* mod, Function *"
1869 unsigned arg_count = 1;
1870 for (Function::const_arg_iterator AI = F->arg_begin(), AE = F->arg_end();
1872 Out << ", Value* arg_" << arg_count++;
1877 printFunctionUses(F);
1878 printFunctionBody(F);
1880 Out << "return " << getCppName(F->begin()) << ";";
1885 void CppWriter::printModuleBody() {
1886 // Print out all the type definitions
1887 nl(Out) << "// Type Definitions"; nl(Out);
1888 printTypes(TheModule);
1890 // Functions can call each other and global variables can reference them so
1891 // define all the functions first before emitting their function bodies.
1892 nl(Out) << "// Function Declarations"; nl(Out);
1893 for (Module::const_iterator I = TheModule->begin(), E = TheModule->end();
1895 printFunctionHead(I);
1897 // Process the global variables declarations. We can't initialze them until
1898 // after the constants are printed so just print a header for each global
1899 nl(Out) << "// Global Variable Declarations\n"; nl(Out);
1900 for (Module::const_global_iterator I = TheModule->global_begin(),
1901 E = TheModule->global_end(); I != E; ++I) {
1902 printVariableHead(I);
1905 // Print out all the constants definitions. Constants don't recurse except
1906 // through GlobalValues. All GlobalValues have been declared at this point
1907 // so we can proceed to generate the constants.
1908 nl(Out) << "// Constant Definitions"; nl(Out);
1909 printConstants(TheModule);
1911 // Process the global variables definitions now that all the constants have
1912 // been emitted. These definitions just couple the gvars with their constant
1914 nl(Out) << "// Global Variable Definitions"; nl(Out);
1915 for (Module::const_global_iterator I = TheModule->global_begin(),
1916 E = TheModule->global_end(); I != E; ++I) {
1917 printVariableBody(I);
1920 // Finally, we can safely put out all of the function bodies.
1921 nl(Out) << "// Function Definitions"; nl(Out);
1922 for (Module::const_iterator I = TheModule->begin(), E = TheModule->end();
1924 if (!I->isDeclaration()) {
1925 nl(Out) << "// Function: " << I->getName() << " (" << getCppName(I)
1929 printFunctionBody(I);
1936 void CppWriter::printProgram(const std::string& fname,
1937 const std::string& mName) {
1938 Out << "#include <llvm/Pass.h>\n";
1939 Out << "#include <llvm/PassManager.h>\n";
1941 Out << "#include <llvm/ADT/SmallVector.h>\n";
1942 Out << "#include <llvm/Analysis/Verifier.h>\n";
1943 Out << "#include <llvm/IR/BasicBlock.h>\n";
1944 Out << "#include <llvm/IR/CallingConv.h>\n";
1945 Out << "#include <llvm/IR/Constants.h>\n";
1946 Out << "#include <llvm/IR/DerivedTypes.h>\n";
1947 Out << "#include <llvm/IR/Function.h>\n";
1948 Out << "#include <llvm/IR/GlobalVariable.h>\n";
1949 Out << "#include <llvm/IR/IRPrintingPasses.h>\n";
1950 Out << "#include <llvm/IR/InlineAsm.h>\n";
1951 Out << "#include <llvm/IR/Instructions.h>\n";
1952 Out << "#include <llvm/IR/LLVMContext.h>\n";
1953 Out << "#include <llvm/IR/Module.h>\n";
1954 Out << "#include <llvm/Support/FormattedStream.h>\n";
1955 Out << "#include <llvm/Support/MathExtras.h>\n";
1956 Out << "#include <algorithm>\n";
1957 Out << "using namespace llvm;\n\n";
1958 Out << "Module* " << fname << "();\n\n";
1959 Out << "int main(int argc, char**argv) {\n";
1960 Out << " Module* Mod = " << fname << "();\n";
1961 Out << " verifyModule(*Mod, PrintMessageAction);\n";
1962 Out << " PassManager PM;\n";
1963 Out << " PM.add(createPrintModulePass(&outs()));\n";
1964 Out << " PM.run(*Mod);\n";
1965 Out << " return 0;\n";
1967 printModule(fname,mName);
1970 void CppWriter::printModule(const std::string& fname,
1971 const std::string& mName) {
1972 nl(Out) << "Module* " << fname << "() {";
1973 nl(Out,1) << "// Module Construction";
1974 nl(Out) << "Module* mod = new Module(\"";
1975 printEscapedString(mName);
1976 Out << "\", getGlobalContext());";
1977 if (!TheModule->getTargetTriple().empty()) {
1978 nl(Out) << "mod->setDataLayout(\"" << TheModule->getDataLayout() << "\");";
1980 if (!TheModule->getTargetTriple().empty()) {
1981 nl(Out) << "mod->setTargetTriple(\"" << TheModule->getTargetTriple()
1985 if (!TheModule->getModuleInlineAsm().empty()) {
1986 nl(Out) << "mod->setModuleInlineAsm(\"";
1987 printEscapedString(TheModule->getModuleInlineAsm());
1993 nl(Out) << "return mod;";
1998 void CppWriter::printContents(const std::string& fname,
1999 const std::string& mName) {
2000 Out << "\nModule* " << fname << "(Module *mod) {\n";
2001 Out << "\nmod->setModuleIdentifier(\"";
2002 printEscapedString(mName);
2005 Out << "\nreturn mod;\n";
2009 void CppWriter::printFunction(const std::string& fname,
2010 const std::string& funcName) {
2011 const Function* F = TheModule->getFunction(funcName);
2013 error(std::string("Function '") + funcName + "' not found in input module");
2016 Out << "\nFunction* " << fname << "(Module *mod) {\n";
2017 printFunctionUses(F);
2018 printFunctionHead(F);
2019 printFunctionBody(F);
2020 Out << "return " << getCppName(F) << ";\n";
2024 void CppWriter::printFunctions() {
2025 const Module::FunctionListType &funcs = TheModule->getFunctionList();
2026 Module::const_iterator I = funcs.begin();
2027 Module::const_iterator IE = funcs.end();
2029 for (; I != IE; ++I) {
2030 const Function &func = *I;
2031 if (!func.isDeclaration()) {
2032 std::string name("define_");
2033 name += func.getName();
2034 printFunction(name, func.getName());
2039 void CppWriter::printVariable(const std::string& fname,
2040 const std::string& varName) {
2041 const GlobalVariable* GV = TheModule->getNamedGlobal(varName);
2044 error(std::string("Variable '") + varName + "' not found in input module");
2047 Out << "\nGlobalVariable* " << fname << "(Module *mod) {\n";
2048 printVariableUses(GV);
2049 printVariableHead(GV);
2050 printVariableBody(GV);
2051 Out << "return " << getCppName(GV) << ";\n";
2055 void CppWriter::printType(const std::string &fname,
2056 const std::string &typeName) {
2057 Type* Ty = TheModule->getTypeByName(typeName);
2059 error(std::string("Type '") + typeName + "' not found in input module");
2062 Out << "\nType* " << fname << "(Module *mod) {\n";
2064 Out << "return " << getCppName(Ty) << ";\n";
2068 bool CppWriter::runOnModule(Module &M) {
2072 Out << "// Generated by llvm2cpp - DO NOT MODIFY!\n\n";
2074 // Get the name of the function we're supposed to generate
2075 std::string fname = FuncName.getValue();
2077 // Get the name of the thing we are to generate
2078 std::string tgtname = NameToGenerate.getValue();
2079 if (GenerationType == GenModule ||
2080 GenerationType == GenContents ||
2081 GenerationType == GenProgram ||
2082 GenerationType == GenFunctions) {
2083 if (tgtname == "!bad!") {
2084 if (M.getModuleIdentifier() == "-")
2085 tgtname = "<stdin>";
2087 tgtname = M.getModuleIdentifier();
2089 } else if (tgtname == "!bad!")
2090 error("You must use the -for option with -gen-{function,variable,type}");
2092 switch (WhatToGenerate(GenerationType)) {
2095 fname = "makeLLVMModule";
2096 printProgram(fname,tgtname);
2100 fname = "makeLLVMModule";
2101 printModule(fname,tgtname);
2105 fname = "makeLLVMModuleContents";
2106 printContents(fname,tgtname);
2110 fname = "makeLLVMFunction";
2111 printFunction(fname,tgtname);
2118 fname = "makeLLVMInline";
2119 printInline(fname,tgtname);
2123 fname = "makeLLVMVariable";
2124 printVariable(fname,tgtname);
2128 fname = "makeLLVMType";
2129 printType(fname,tgtname);
2136 char CppWriter::ID = 0;
2138 //===----------------------------------------------------------------------===//
2139 // External Interface declaration
2140 //===----------------------------------------------------------------------===//
2142 bool CPPTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
2143 formatted_raw_ostream &o,
2144 CodeGenFileType FileType,
2146 AnalysisID StartAfter,
2147 AnalysisID StopAfter) {
2148 if (FileType != TargetMachine::CGFT_AssemblyFile) return true;
2149 PM.add(new CppWriter(o));