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/CallingConv.h"
17 #include "llvm/Constants.h"
18 #include "llvm/DerivedTypes.h"
19 #include "llvm/InlineAsm.h"
20 #include "llvm/Instruction.h"
21 #include "llvm/Instructions.h"
22 #include "llvm/Module.h"
23 #include "llvm/Pass.h"
24 #include "llvm/PassManager.h"
25 #include "llvm/MC/MCAsmInfo.h"
26 #include "llvm/MC/MCInstrInfo.h"
27 #include "llvm/MC/MCSubtargetInfo.h"
28 #include "llvm/ADT/SmallPtrSet.h"
29 #include "llvm/Support/CommandLine.h"
30 #include "llvm/Support/ErrorHandling.h"
31 #include "llvm/Support/FormattedStream.h"
32 #include "llvm/Support/TargetRegistry.h"
33 #include "llvm/ADT/StringExtras.h"
34 #include "llvm/Config/config.h"
40 static cl::opt<std::string>
41 FuncName("cppfname", cl::desc("Specify the name of the generated function"),
42 cl::value_desc("function name"));
55 static cl::opt<WhatToGenerate> GenerationType("cppgen", cl::Optional,
56 cl::desc("Choose what kind of output to generate"),
59 clEnumValN(GenProgram, "program", "Generate a complete program"),
60 clEnumValN(GenModule, "module", "Generate a module definition"),
61 clEnumValN(GenContents, "contents", "Generate contents of a module"),
62 clEnumValN(GenFunction, "function", "Generate a function definition"),
63 clEnumValN(GenFunctions,"functions", "Generate all function definitions"),
64 clEnumValN(GenInline, "inline", "Generate an inline function"),
65 clEnumValN(GenVariable, "variable", "Generate a variable definition"),
66 clEnumValN(GenType, "type", "Generate a type definition"),
71 static cl::opt<std::string> NameToGenerate("cppfor", cl::Optional,
72 cl::desc("Specify the name of the thing to generate"),
75 extern "C" void LLVMInitializeCppBackendTarget() {
76 // Register the target.
77 RegisterTargetMachine<CPPTargetMachine> X(TheCppBackendTarget);
81 typedef std::vector<Type*> TypeList;
82 typedef std::map<Type*,std::string> TypeMap;
83 typedef std::map<const Value*,std::string> ValueMap;
84 typedef std::set<std::string> NameSet;
85 typedef std::set<Type*> TypeSet;
86 typedef std::set<const Value*> ValueSet;
87 typedef std::map<const Value*,std::string> ForwardRefMap;
89 /// CppWriter - This class is the main chunk of code that converts an LLVM
90 /// module to a C++ translation unit.
91 class CppWriter : public ModulePass {
92 formatted_raw_ostream &Out;
93 const Module *TheModule;
99 ValueSet DefinedValues;
100 ForwardRefMap ForwardRefs;
102 unsigned indent_level;
106 explicit CppWriter(formatted_raw_ostream &o) :
107 ModulePass(ID), Out(o), uniqueNum(0), is_inline(false), indent_level(0){}
109 virtual const char *getPassName() const { return "C++ backend"; }
111 bool runOnModule(Module &M);
113 void printProgram(const std::string& fname, const std::string& modName );
114 void printModule(const std::string& fname, const std::string& modName );
115 void printContents(const std::string& fname, const std::string& modName );
116 void printFunction(const std::string& fname, const std::string& funcName );
117 void printFunctions();
118 void printInline(const std::string& fname, const std::string& funcName );
119 void printVariable(const std::string& fname, const std::string& varName );
120 void printType(const std::string& fname, const std::string& typeName );
122 void error(const std::string& msg);
125 formatted_raw_ostream& nl(formatted_raw_ostream &Out, int delta = 0);
126 inline void in() { indent_level++; }
127 inline void out() { if (indent_level >0) indent_level--; }
130 void printLinkageType(GlobalValue::LinkageTypes LT);
131 void printVisibilityType(GlobalValue::VisibilityTypes VisTypes);
132 void printCallingConv(CallingConv::ID cc);
133 void printEscapedString(const std::string& str);
134 void printCFP(const ConstantFP* CFP);
136 std::string getCppName(Type* val);
137 inline void printCppName(Type* val);
139 std::string getCppName(const Value* val);
140 inline void printCppName(const Value* val);
142 void printAttributes(const AttrListPtr &PAL, const std::string &name);
143 void printType(Type* Ty);
144 void printTypes(const Module* M);
146 void printConstant(const Constant *CPV);
147 void printConstants(const Module* M);
149 void printVariableUses(const GlobalVariable *GV);
150 void printVariableHead(const GlobalVariable *GV);
151 void printVariableBody(const GlobalVariable *GV);
153 void printFunctionUses(const Function *F);
154 void printFunctionHead(const Function *F);
155 void printFunctionBody(const Function *F);
156 void printInstruction(const Instruction *I, const std::string& bbname);
157 std::string getOpName(const Value*);
159 void printModuleBody();
161 } // end anonymous namespace.
163 formatted_raw_ostream &CppWriter::nl(formatted_raw_ostream &Out, int delta) {
165 if (delta >= 0 || indent_level >= unsigned(-delta))
166 indent_level += delta;
167 Out.indent(indent_level);
171 static inline void sanitize(std::string &str) {
172 for (size_t i = 0; i < str.length(); ++i)
173 if (!isalnum(str[i]) && str[i] != '_')
177 static std::string getTypePrefix(Type *Ty) {
178 switch (Ty->getTypeID()) {
179 case Type::VoidTyID: return "void_";
180 case Type::IntegerTyID:
181 return "int" + utostr(cast<IntegerType>(Ty)->getBitWidth()) + "_";
182 case Type::FloatTyID: return "float_";
183 case Type::DoubleTyID: return "double_";
184 case Type::LabelTyID: return "label_";
185 case Type::FunctionTyID: return "func_";
186 case Type::StructTyID: return "struct_";
187 case Type::ArrayTyID: return "array_";
188 case Type::PointerTyID: return "ptr_";
189 case Type::VectorTyID: return "packed_";
190 default: return "other_";
194 void CppWriter::error(const std::string& msg) {
195 report_fatal_error(msg);
198 // printCFP - Print a floating point constant .. very carefully :)
199 // This makes sure that conversion to/from floating yields the same binary
200 // result so that we don't lose precision.
201 void CppWriter::printCFP(const ConstantFP *CFP) {
203 APFloat APF = APFloat(CFP->getValueAPF()); // copy
204 if (CFP->getType() == Type::getFloatTy(CFP->getContext()))
205 APF.convert(APFloat::IEEEdouble, APFloat::rmNearestTiesToEven, &ignored);
206 Out << "ConstantFP::get(mod->getContext(), ";
210 sprintf(Buffer, "%A", APF.convertToDouble());
211 if ((!strncmp(Buffer, "0x", 2) ||
212 !strncmp(Buffer, "-0x", 3) ||
213 !strncmp(Buffer, "+0x", 3)) &&
214 APF.bitwiseIsEqual(APFloat(atof(Buffer)))) {
215 if (CFP->getType() == Type::getDoubleTy(CFP->getContext()))
216 Out << "BitsToDouble(" << Buffer << ")";
218 Out << "BitsToFloat((float)" << Buffer << ")";
222 std::string StrVal = ftostr(CFP->getValueAPF());
224 while (StrVal[0] == ' ')
225 StrVal.erase(StrVal.begin());
227 // Check to make sure that the stringized number is not some string like
228 // "Inf" or NaN. Check that the string matches the "[-+]?[0-9]" regex.
229 if (((StrVal[0] >= '0' && StrVal[0] <= '9') ||
230 ((StrVal[0] == '-' || StrVal[0] == '+') &&
231 (StrVal[1] >= '0' && StrVal[1] <= '9'))) &&
232 (CFP->isExactlyValue(atof(StrVal.c_str())))) {
233 if (CFP->getType() == Type::getDoubleTy(CFP->getContext()))
236 Out << StrVal << "f";
237 } else if (CFP->getType() == Type::getDoubleTy(CFP->getContext()))
238 Out << "BitsToDouble(0x"
239 << utohexstr(CFP->getValueAPF().bitcastToAPInt().getZExtValue())
240 << "ULL) /* " << StrVal << " */";
242 Out << "BitsToFloat(0x"
243 << utohexstr((uint32_t)CFP->getValueAPF().
244 bitcastToAPInt().getZExtValue())
245 << "U) /* " << StrVal << " */";
253 void CppWriter::printCallingConv(CallingConv::ID cc){
254 // Print the calling convention.
256 case CallingConv::C: Out << "CallingConv::C"; break;
257 case CallingConv::Fast: Out << "CallingConv::Fast"; break;
258 case CallingConv::Cold: Out << "CallingConv::Cold"; break;
259 case CallingConv::FirstTargetCC: Out << "CallingConv::FirstTargetCC"; break;
260 default: Out << cc; break;
264 void CppWriter::printLinkageType(GlobalValue::LinkageTypes LT) {
266 case GlobalValue::InternalLinkage:
267 Out << "GlobalValue::InternalLinkage"; break;
268 case GlobalValue::PrivateLinkage:
269 Out << "GlobalValue::PrivateLinkage"; break;
270 case GlobalValue::LinkerPrivateLinkage:
271 Out << "GlobalValue::LinkerPrivateLinkage"; break;
272 case GlobalValue::LinkerPrivateWeakLinkage:
273 Out << "GlobalValue::LinkerPrivateWeakLinkage"; break;
274 case GlobalValue::LinkerPrivateWeakDefAutoLinkage:
275 Out << "GlobalValue::LinkerPrivateWeakDefAutoLinkage"; break;
276 case GlobalValue::AvailableExternallyLinkage:
277 Out << "GlobalValue::AvailableExternallyLinkage "; break;
278 case GlobalValue::LinkOnceAnyLinkage:
279 Out << "GlobalValue::LinkOnceAnyLinkage "; break;
280 case GlobalValue::LinkOnceODRLinkage:
281 Out << "GlobalValue::LinkOnceODRLinkage "; break;
282 case GlobalValue::WeakAnyLinkage:
283 Out << "GlobalValue::WeakAnyLinkage"; break;
284 case GlobalValue::WeakODRLinkage:
285 Out << "GlobalValue::WeakODRLinkage"; break;
286 case GlobalValue::AppendingLinkage:
287 Out << "GlobalValue::AppendingLinkage"; break;
288 case GlobalValue::ExternalLinkage:
289 Out << "GlobalValue::ExternalLinkage"; break;
290 case GlobalValue::DLLImportLinkage:
291 Out << "GlobalValue::DLLImportLinkage"; break;
292 case GlobalValue::DLLExportLinkage:
293 Out << "GlobalValue::DLLExportLinkage"; break;
294 case GlobalValue::ExternalWeakLinkage:
295 Out << "GlobalValue::ExternalWeakLinkage"; break;
296 case GlobalValue::CommonLinkage:
297 Out << "GlobalValue::CommonLinkage"; break;
301 void CppWriter::printVisibilityType(GlobalValue::VisibilityTypes VisType) {
303 case GlobalValue::DefaultVisibility:
304 Out << "GlobalValue::DefaultVisibility";
306 case GlobalValue::HiddenVisibility:
307 Out << "GlobalValue::HiddenVisibility";
309 case GlobalValue::ProtectedVisibility:
310 Out << "GlobalValue::ProtectedVisibility";
315 // printEscapedString - Print each character of the specified string, escaping
316 // it if it is not printable or if it is an escape char.
317 void CppWriter::printEscapedString(const std::string &Str) {
318 for (unsigned i = 0, e = Str.size(); i != e; ++i) {
319 unsigned char C = Str[i];
320 if (isprint(C) && C != '"' && C != '\\') {
324 << (char) ((C/16 < 10) ? ( C/16 +'0') : ( C/16 -10+'A'))
325 << (char)(((C&15) < 10) ? ((C&15)+'0') : ((C&15)-10+'A'));
330 std::string CppWriter::getCppName(Type* Ty) {
331 // First, handle the primitive types .. easy
332 if (Ty->isPrimitiveType() || Ty->isIntegerTy()) {
333 switch (Ty->getTypeID()) {
334 case Type::VoidTyID: return "Type::getVoidTy(mod->getContext())";
335 case Type::IntegerTyID: {
336 unsigned BitWidth = cast<IntegerType>(Ty)->getBitWidth();
337 return "IntegerType::get(mod->getContext(), " + utostr(BitWidth) + ")";
339 case Type::X86_FP80TyID: return "Type::getX86_FP80Ty(mod->getContext())";
340 case Type::FloatTyID: return "Type::getFloatTy(mod->getContext())";
341 case Type::DoubleTyID: return "Type::getDoubleTy(mod->getContext())";
342 case Type::LabelTyID: return "Type::getLabelTy(mod->getContext())";
343 case Type::X86_MMXTyID: return "Type::getX86_MMXTy(mod->getContext())";
345 error("Invalid primitive type");
348 // shouldn't be returned, but make it sensible
349 return "Type::getVoidTy(mod->getContext())";
352 // Now, see if we've seen the type before and return that
353 TypeMap::iterator I = TypeNames.find(Ty);
354 if (I != TypeNames.end())
357 // Okay, let's build a new name for this type. Start with a prefix
358 const char* prefix = 0;
359 switch (Ty->getTypeID()) {
360 case Type::FunctionTyID: prefix = "FuncTy_"; break;
361 case Type::StructTyID: prefix = "StructTy_"; break;
362 case Type::ArrayTyID: prefix = "ArrayTy_"; break;
363 case Type::PointerTyID: prefix = "PointerTy_"; break;
364 case Type::VectorTyID: prefix = "VectorTy_"; break;
365 default: prefix = "OtherTy_"; break; // prevent breakage
368 // See if the type has a name in the symboltable and build accordingly
370 if (StructType *STy = dyn_cast<StructType>(Ty))
372 name = STy->getName();
375 name = utostr(uniqueNum++);
377 name = std::string(prefix) + name;
381 return TypeNames[Ty] = name;
384 void CppWriter::printCppName(Type* Ty) {
385 printEscapedString(getCppName(Ty));
388 std::string CppWriter::getCppName(const Value* val) {
390 ValueMap::iterator I = ValueNames.find(val);
391 if (I != ValueNames.end() && I->first == val)
394 if (const GlobalVariable* GV = dyn_cast<GlobalVariable>(val)) {
395 name = std::string("gvar_") +
396 getTypePrefix(GV->getType()->getElementType());
397 } else if (isa<Function>(val)) {
398 name = std::string("func_");
399 } else if (const Constant* C = dyn_cast<Constant>(val)) {
400 name = std::string("const_") + getTypePrefix(C->getType());
401 } else if (const Argument* Arg = dyn_cast<Argument>(val)) {
403 unsigned argNum = std::distance(Arg->getParent()->arg_begin(),
404 Function::const_arg_iterator(Arg)) + 1;
405 name = std::string("arg_") + utostr(argNum);
406 NameSet::iterator NI = UsedNames.find(name);
407 if (NI != UsedNames.end())
408 name += std::string("_") + utostr(uniqueNum++);
409 UsedNames.insert(name);
410 return ValueNames[val] = name;
412 name = getTypePrefix(val->getType());
415 name = getTypePrefix(val->getType());
418 name += val->getName();
420 name += utostr(uniqueNum++);
422 NameSet::iterator NI = UsedNames.find(name);
423 if (NI != UsedNames.end())
424 name += std::string("_") + utostr(uniqueNum++);
425 UsedNames.insert(name);
426 return ValueNames[val] = name;
429 void CppWriter::printCppName(const Value* val) {
430 printEscapedString(getCppName(val));
433 void CppWriter::printAttributes(const AttrListPtr &PAL,
434 const std::string &name) {
435 Out << "AttrListPtr " << name << "_PAL;";
437 if (!PAL.isEmpty()) {
438 Out << '{'; in(); nl(Out);
439 Out << "SmallVector<AttributeWithIndex, 4> Attrs;"; nl(Out);
440 Out << "AttributeWithIndex PAWI;"; nl(Out);
441 for (unsigned i = 0; i < PAL.getNumSlots(); ++i) {
442 unsigned index = PAL.getSlot(i).Index;
443 Attributes attrs = PAL.getSlot(i).Attrs;
444 Out << "PAWI.Index = " << index << "U; PAWI.Attrs = Attribute::None ";
445 #define HANDLE_ATTR(X) \
446 if (attrs & Attribute::X) \
447 Out << " | Attribute::" #X; \
448 attrs &= ~Attribute::X;
452 HANDLE_ATTR(NoReturn);
454 HANDLE_ATTR(StructRet);
455 HANDLE_ATTR(NoUnwind);
456 HANDLE_ATTR(NoAlias);
459 HANDLE_ATTR(ReadNone);
460 HANDLE_ATTR(ReadOnly);
461 HANDLE_ATTR(NoInline);
462 HANDLE_ATTR(AlwaysInline);
463 HANDLE_ATTR(OptimizeForSize);
464 HANDLE_ATTR(StackProtect);
465 HANDLE_ATTR(StackProtectReq);
466 HANDLE_ATTR(NoCapture);
467 HANDLE_ATTR(NoRedZone);
468 HANDLE_ATTR(NoImplicitFloat);
470 HANDLE_ATTR(InlineHint);
471 HANDLE_ATTR(ReturnsTwice);
472 HANDLE_ATTR(UWTable);
473 HANDLE_ATTR(NonLazyBind);
475 if (attrs & Attribute::StackAlignment)
476 Out << " | Attribute::constructStackAlignmentFromInt("
477 << Attribute::getStackAlignmentFromAttrs(attrs)
479 attrs &= ~Attribute::StackAlignment;
480 assert(attrs == 0 && "Unhandled attribute!");
483 Out << "Attrs.push_back(PAWI);";
486 Out << name << "_PAL = AttrListPtr::get(Attrs.begin(), Attrs.end());";
493 void CppWriter::printType(Type* Ty) {
494 // We don't print definitions for primitive types
495 if (Ty->isPrimitiveType() || Ty->isIntegerTy())
498 // If we already defined this type, we don't need to define it again.
499 if (DefinedTypes.find(Ty) != DefinedTypes.end())
502 // Everything below needs the name for the type so get it now.
503 std::string typeName(getCppName(Ty));
505 // Print the type definition
506 switch (Ty->getTypeID()) {
507 case Type::FunctionTyID: {
508 FunctionType* FT = cast<FunctionType>(Ty);
509 Out << "std::vector<Type*>" << typeName << "_args;";
511 FunctionType::param_iterator PI = FT->param_begin();
512 FunctionType::param_iterator PE = FT->param_end();
513 for (; PI != PE; ++PI) {
514 Type* argTy = static_cast<Type*>(*PI);
516 std::string argName(getCppName(argTy));
517 Out << typeName << "_args.push_back(" << argName;
521 printType(FT->getReturnType());
522 std::string retTypeName(getCppName(FT->getReturnType()));
523 Out << "FunctionType* " << typeName << " = FunctionType::get(";
524 in(); nl(Out) << "/*Result=*/" << retTypeName;
526 nl(Out) << "/*Params=*/" << typeName << "_args,";
527 nl(Out) << "/*isVarArg=*/" << (FT->isVarArg() ? "true" : "false") << ");";
532 case Type::StructTyID: {
533 StructType* ST = cast<StructType>(Ty);
534 if (!ST->isLiteral()) {
535 Out << "StructType *" << typeName << " = mod->getTypeByName(\"";
536 printEscapedString(ST->getName());
539 Out << "if (!" << typeName << ") {";
541 Out << typeName << " = ";
542 Out << "StructType::create(mod->getContext(), \"";
543 printEscapedString(ST->getName());
548 // Indicate that this type is now defined.
549 DefinedTypes.insert(Ty);
552 Out << "std::vector<Type*>" << typeName << "_fields;";
554 StructType::element_iterator EI = ST->element_begin();
555 StructType::element_iterator EE = ST->element_end();
556 for (; EI != EE; ++EI) {
557 Type* fieldTy = static_cast<Type*>(*EI);
559 std::string fieldName(getCppName(fieldTy));
560 Out << typeName << "_fields.push_back(" << fieldName;
565 if (ST->isLiteral()) {
566 Out << "StructType *" << typeName << " = ";
567 Out << "StructType::get(" << "mod->getContext(), ";
569 Out << "if (" << typeName << "->isOpaque()) {";
571 Out << typeName << "->setBody(";
574 Out << typeName << "_fields, /*isPacked=*/"
575 << (ST->isPacked() ? "true" : "false") << ");";
577 if (!ST->isLiteral()) {
583 case Type::ArrayTyID: {
584 ArrayType* AT = cast<ArrayType>(Ty);
585 Type* ET = AT->getElementType();
587 if (DefinedTypes.find(Ty) == DefinedTypes.end()) {
588 std::string elemName(getCppName(ET));
589 Out << "ArrayType* " << typeName << " = ArrayType::get("
591 << ", " << utostr(AT->getNumElements()) << ");";
596 case Type::PointerTyID: {
597 PointerType* PT = cast<PointerType>(Ty);
598 Type* ET = PT->getElementType();
600 if (DefinedTypes.find(Ty) == DefinedTypes.end()) {
601 std::string elemName(getCppName(ET));
602 Out << "PointerType* " << typeName << " = PointerType::get("
604 << ", " << utostr(PT->getAddressSpace()) << ");";
609 case Type::VectorTyID: {
610 VectorType* PT = cast<VectorType>(Ty);
611 Type* ET = PT->getElementType();
613 if (DefinedTypes.find(Ty) == DefinedTypes.end()) {
614 std::string elemName(getCppName(ET));
615 Out << "VectorType* " << typeName << " = VectorType::get("
617 << ", " << utostr(PT->getNumElements()) << ");";
623 error("Invalid TypeID");
626 // Indicate that this type is now defined.
627 DefinedTypes.insert(Ty);
629 // Finally, separate the type definition from other with a newline.
633 void CppWriter::printTypes(const Module* M) {
634 // Add all of the global variables to the value table.
635 for (Module::const_global_iterator I = TheModule->global_begin(),
636 E = TheModule->global_end(); I != E; ++I) {
637 if (I->hasInitializer())
638 printType(I->getInitializer()->getType());
639 printType(I->getType());
642 // Add all the functions to the table
643 for (Module::const_iterator FI = TheModule->begin(), FE = TheModule->end();
645 printType(FI->getReturnType());
646 printType(FI->getFunctionType());
647 // Add all the function arguments
648 for (Function::const_arg_iterator AI = FI->arg_begin(),
649 AE = FI->arg_end(); AI != AE; ++AI) {
650 printType(AI->getType());
653 // Add all of the basic blocks and instructions
654 for (Function::const_iterator BB = FI->begin(),
655 E = FI->end(); BB != E; ++BB) {
656 printType(BB->getType());
657 for (BasicBlock::const_iterator I = BB->begin(), E = BB->end(); I!=E;
659 printType(I->getType());
660 for (unsigned i = 0; i < I->getNumOperands(); ++i)
661 printType(I->getOperand(i)->getType());
668 // printConstant - Print out a constant pool entry...
669 void CppWriter::printConstant(const Constant *CV) {
670 // First, if the constant is actually a GlobalValue (variable or function)
671 // or its already in the constant list then we've printed it already and we
673 if (isa<GlobalValue>(CV) || ValueNames.find(CV) != ValueNames.end())
676 std::string constName(getCppName(CV));
677 std::string typeName(getCppName(CV->getType()));
679 if (isa<GlobalValue>(CV)) {
680 // Skip variables and functions, we emit them elsewhere
684 if (const ConstantInt *CI = dyn_cast<ConstantInt>(CV)) {
685 std::string constValue = CI->getValue().toString(10, true);
686 Out << "ConstantInt* " << constName
687 << " = ConstantInt::get(mod->getContext(), APInt("
688 << cast<IntegerType>(CI->getType())->getBitWidth()
689 << ", StringRef(\"" << constValue << "\"), 10));";
690 } else if (isa<ConstantAggregateZero>(CV)) {
691 Out << "ConstantAggregateZero* " << constName
692 << " = ConstantAggregateZero::get(" << typeName << ");";
693 } else if (isa<ConstantPointerNull>(CV)) {
694 Out << "ConstantPointerNull* " << constName
695 << " = ConstantPointerNull::get(" << typeName << ");";
696 } else if (const ConstantFP *CFP = dyn_cast<ConstantFP>(CV)) {
697 Out << "ConstantFP* " << constName << " = ";
700 } else if (const ConstantArray *CA = dyn_cast<ConstantArray>(CV)) {
701 if (CA->isString() &&
702 CA->getType()->getElementType() ==
703 Type::getInt8Ty(CA->getContext())) {
704 Out << "Constant* " << constName <<
705 " = ConstantArray::get(mod->getContext(), \"";
706 std::string tmp = CA->getAsString();
707 bool nullTerminate = false;
708 if (tmp[tmp.length()-1] == 0) {
709 tmp.erase(tmp.length()-1);
710 nullTerminate = true;
712 printEscapedString(tmp);
713 // Determine if we want null termination or not.
715 Out << "\", true"; // Indicate that the null terminator should be
718 Out << "\", false";// No null terminator
721 Out << "std::vector<Constant*> " << constName << "_elems;";
723 unsigned N = CA->getNumOperands();
724 for (unsigned i = 0; i < N; ++i) {
725 printConstant(CA->getOperand(i)); // recurse to print operands
726 Out << constName << "_elems.push_back("
727 << getCppName(CA->getOperand(i)) << ");";
730 Out << "Constant* " << constName << " = ConstantArray::get("
731 << typeName << ", " << constName << "_elems);";
733 } else if (const ConstantStruct *CS = dyn_cast<ConstantStruct>(CV)) {
734 Out << "std::vector<Constant*> " << constName << "_fields;";
736 unsigned N = CS->getNumOperands();
737 for (unsigned i = 0; i < N; i++) {
738 printConstant(CS->getOperand(i));
739 Out << constName << "_fields.push_back("
740 << getCppName(CS->getOperand(i)) << ");";
743 Out << "Constant* " << constName << " = ConstantStruct::get("
744 << typeName << ", " << constName << "_fields);";
745 } else if (const ConstantVector *CP = dyn_cast<ConstantVector>(CV)) {
746 Out << "std::vector<Constant*> " << constName << "_elems;";
748 unsigned N = CP->getNumOperands();
749 for (unsigned i = 0; i < N; ++i) {
750 printConstant(CP->getOperand(i));
751 Out << constName << "_elems.push_back("
752 << getCppName(CP->getOperand(i)) << ");";
755 Out << "Constant* " << constName << " = ConstantVector::get("
756 << typeName << ", " << constName << "_elems);";
757 } else if (isa<UndefValue>(CV)) {
758 Out << "UndefValue* " << constName << " = UndefValue::get("
760 } else if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(CV)) {
761 if (CE->getOpcode() == Instruction::GetElementPtr) {
762 Out << "std::vector<Constant*> " << constName << "_indices;";
764 printConstant(CE->getOperand(0));
765 for (unsigned i = 1; i < CE->getNumOperands(); ++i ) {
766 printConstant(CE->getOperand(i));
767 Out << constName << "_indices.push_back("
768 << getCppName(CE->getOperand(i)) << ");";
771 Out << "Constant* " << constName
772 << " = ConstantExpr::getGetElementPtr("
773 << getCppName(CE->getOperand(0)) << ", "
774 << constName << "_indices);";
775 } else if (CE->isCast()) {
776 printConstant(CE->getOperand(0));
777 Out << "Constant* " << constName << " = ConstantExpr::getCast(";
778 switch (CE->getOpcode()) {
779 default: llvm_unreachable("Invalid cast opcode");
780 case Instruction::Trunc: Out << "Instruction::Trunc"; break;
781 case Instruction::ZExt: Out << "Instruction::ZExt"; break;
782 case Instruction::SExt: Out << "Instruction::SExt"; break;
783 case Instruction::FPTrunc: Out << "Instruction::FPTrunc"; break;
784 case Instruction::FPExt: Out << "Instruction::FPExt"; break;
785 case Instruction::FPToUI: Out << "Instruction::FPToUI"; break;
786 case Instruction::FPToSI: Out << "Instruction::FPToSI"; break;
787 case Instruction::UIToFP: Out << "Instruction::UIToFP"; break;
788 case Instruction::SIToFP: Out << "Instruction::SIToFP"; break;
789 case Instruction::PtrToInt: Out << "Instruction::PtrToInt"; break;
790 case Instruction::IntToPtr: Out << "Instruction::IntToPtr"; break;
791 case Instruction::BitCast: Out << "Instruction::BitCast"; break;
793 Out << ", " << getCppName(CE->getOperand(0)) << ", "
794 << getCppName(CE->getType()) << ");";
796 unsigned N = CE->getNumOperands();
797 for (unsigned i = 0; i < N; ++i ) {
798 printConstant(CE->getOperand(i));
800 Out << "Constant* " << constName << " = ConstantExpr::";
801 switch (CE->getOpcode()) {
802 case Instruction::Add: Out << "getAdd("; break;
803 case Instruction::FAdd: Out << "getFAdd("; break;
804 case Instruction::Sub: Out << "getSub("; break;
805 case Instruction::FSub: Out << "getFSub("; break;
806 case Instruction::Mul: Out << "getMul("; break;
807 case Instruction::FMul: Out << "getFMul("; break;
808 case Instruction::UDiv: Out << "getUDiv("; break;
809 case Instruction::SDiv: Out << "getSDiv("; break;
810 case Instruction::FDiv: Out << "getFDiv("; break;
811 case Instruction::URem: Out << "getURem("; break;
812 case Instruction::SRem: Out << "getSRem("; break;
813 case Instruction::FRem: Out << "getFRem("; break;
814 case Instruction::And: Out << "getAnd("; break;
815 case Instruction::Or: Out << "getOr("; break;
816 case Instruction::Xor: Out << "getXor("; break;
817 case Instruction::ICmp:
818 Out << "getICmp(ICmpInst::ICMP_";
819 switch (CE->getPredicate()) {
820 case ICmpInst::ICMP_EQ: Out << "EQ"; break;
821 case ICmpInst::ICMP_NE: Out << "NE"; break;
822 case ICmpInst::ICMP_SLT: Out << "SLT"; break;
823 case ICmpInst::ICMP_ULT: Out << "ULT"; break;
824 case ICmpInst::ICMP_SGT: Out << "SGT"; break;
825 case ICmpInst::ICMP_UGT: Out << "UGT"; break;
826 case ICmpInst::ICMP_SLE: Out << "SLE"; break;
827 case ICmpInst::ICMP_ULE: Out << "ULE"; break;
828 case ICmpInst::ICMP_SGE: Out << "SGE"; break;
829 case ICmpInst::ICMP_UGE: Out << "UGE"; break;
830 default: error("Invalid ICmp Predicate");
833 case Instruction::FCmp:
834 Out << "getFCmp(FCmpInst::FCMP_";
835 switch (CE->getPredicate()) {
836 case FCmpInst::FCMP_FALSE: Out << "FALSE"; break;
837 case FCmpInst::FCMP_ORD: Out << "ORD"; break;
838 case FCmpInst::FCMP_UNO: Out << "UNO"; break;
839 case FCmpInst::FCMP_OEQ: Out << "OEQ"; break;
840 case FCmpInst::FCMP_UEQ: Out << "UEQ"; break;
841 case FCmpInst::FCMP_ONE: Out << "ONE"; break;
842 case FCmpInst::FCMP_UNE: Out << "UNE"; break;
843 case FCmpInst::FCMP_OLT: Out << "OLT"; break;
844 case FCmpInst::FCMP_ULT: Out << "ULT"; break;
845 case FCmpInst::FCMP_OGT: Out << "OGT"; break;
846 case FCmpInst::FCMP_UGT: Out << "UGT"; break;
847 case FCmpInst::FCMP_OLE: Out << "OLE"; break;
848 case FCmpInst::FCMP_ULE: Out << "ULE"; break;
849 case FCmpInst::FCMP_OGE: Out << "OGE"; break;
850 case FCmpInst::FCMP_UGE: Out << "UGE"; break;
851 case FCmpInst::FCMP_TRUE: Out << "TRUE"; break;
852 default: error("Invalid FCmp Predicate");
855 case Instruction::Shl: Out << "getShl("; break;
856 case Instruction::LShr: Out << "getLShr("; break;
857 case Instruction::AShr: Out << "getAShr("; break;
858 case Instruction::Select: Out << "getSelect("; break;
859 case Instruction::ExtractElement: Out << "getExtractElement("; break;
860 case Instruction::InsertElement: Out << "getInsertElement("; break;
861 case Instruction::ShuffleVector: Out << "getShuffleVector("; break;
863 error("Invalid constant expression");
866 Out << getCppName(CE->getOperand(0));
867 for (unsigned i = 1; i < CE->getNumOperands(); ++i)
868 Out << ", " << getCppName(CE->getOperand(i));
871 } else if (const BlockAddress *BA = dyn_cast<BlockAddress>(CV)) {
872 Out << "Constant* " << constName << " = ";
873 Out << "BlockAddress::get(" << getOpName(BA->getBasicBlock()) << ");";
875 error("Bad Constant");
876 Out << "Constant* " << constName << " = 0; ";
881 void CppWriter::printConstants(const Module* M) {
882 // Traverse all the global variables looking for constant initializers
883 for (Module::const_global_iterator I = TheModule->global_begin(),
884 E = TheModule->global_end(); I != E; ++I)
885 if (I->hasInitializer())
886 printConstant(I->getInitializer());
888 // Traverse the LLVM functions looking for constants
889 for (Module::const_iterator FI = TheModule->begin(), FE = TheModule->end();
891 // Add all of the basic blocks and instructions
892 for (Function::const_iterator BB = FI->begin(),
893 E = FI->end(); BB != E; ++BB) {
894 for (BasicBlock::const_iterator I = BB->begin(), E = BB->end(); I!=E;
896 for (unsigned i = 0; i < I->getNumOperands(); ++i) {
897 if (Constant* C = dyn_cast<Constant>(I->getOperand(i))) {
906 void CppWriter::printVariableUses(const GlobalVariable *GV) {
907 nl(Out) << "// Type Definitions";
909 printType(GV->getType());
910 if (GV->hasInitializer()) {
911 const Constant *Init = GV->getInitializer();
912 printType(Init->getType());
913 if (const Function *F = dyn_cast<Function>(Init)) {
914 nl(Out)<< "/ Function Declarations"; nl(Out);
915 printFunctionHead(F);
916 } else if (const GlobalVariable* gv = dyn_cast<GlobalVariable>(Init)) {
917 nl(Out) << "// Global Variable Declarations"; nl(Out);
918 printVariableHead(gv);
920 nl(Out) << "// Global Variable Definitions"; nl(Out);
921 printVariableBody(gv);
923 nl(Out) << "// Constant Definitions"; nl(Out);
929 void CppWriter::printVariableHead(const GlobalVariable *GV) {
930 nl(Out) << "GlobalVariable* " << getCppName(GV);
932 Out << " = mod->getGlobalVariable(mod->getContext(), ";
933 printEscapedString(GV->getName());
934 Out << ", " << getCppName(GV->getType()->getElementType()) << ",true)";
935 nl(Out) << "if (!" << getCppName(GV) << ") {";
936 in(); nl(Out) << getCppName(GV);
938 Out << " = new GlobalVariable(/*Module=*/*mod, ";
939 nl(Out) << "/*Type=*/";
940 printCppName(GV->getType()->getElementType());
942 nl(Out) << "/*isConstant=*/" << (GV->isConstant()?"true":"false");
944 nl(Out) << "/*Linkage=*/";
945 printLinkageType(GV->getLinkage());
947 nl(Out) << "/*Initializer=*/0, ";
948 if (GV->hasInitializer()) {
949 Out << "// has initializer, specified below";
951 nl(Out) << "/*Name=*/\"";
952 printEscapedString(GV->getName());
956 if (GV->hasSection()) {
958 Out << "->setSection(\"";
959 printEscapedString(GV->getSection());
963 if (GV->getAlignment()) {
965 Out << "->setAlignment(" << utostr(GV->getAlignment()) << ");";
968 if (GV->getVisibility() != GlobalValue::DefaultVisibility) {
970 Out << "->setVisibility(";
971 printVisibilityType(GV->getVisibility());
975 if (GV->isThreadLocal()) {
977 Out << "->setThreadLocal(true);";
981 out(); Out << "}"; nl(Out);
985 void CppWriter::printVariableBody(const GlobalVariable *GV) {
986 if (GV->hasInitializer()) {
988 Out << "->setInitializer(";
989 Out << getCppName(GV->getInitializer()) << ");";
994 std::string CppWriter::getOpName(const Value* V) {
995 if (!isa<Instruction>(V) || DefinedValues.find(V) != DefinedValues.end())
996 return getCppName(V);
998 // See if its alread in the map of forward references, if so just return the
999 // name we already set up for it
1000 ForwardRefMap::const_iterator I = ForwardRefs.find(V);
1001 if (I != ForwardRefs.end())
1004 // This is a new forward reference. Generate a unique name for it
1005 std::string result(std::string("fwdref_") + utostr(uniqueNum++));
1007 // Yes, this is a hack. An Argument is the smallest instantiable value that
1008 // we can make as a placeholder for the real value. We'll replace these
1009 // Argument instances later.
1010 Out << "Argument* " << result << " = new Argument("
1011 << getCppName(V->getType()) << ");";
1013 ForwardRefs[V] = result;
1017 static StringRef ConvertAtomicOrdering(AtomicOrdering Ordering) {
1019 case NotAtomic: return "NotAtomic";
1020 case Unordered: return "Unordered";
1021 case Monotonic: return "Monotonic";
1022 case Acquire: return "Acquire";
1023 case Release: return "Release";
1024 case AcquireRelease: return "AcquireRelease";
1025 case SequentiallyConsistent: return "SequentiallyConsistent";
1027 llvm_unreachable("Unknown ordering");
1030 static StringRef ConvertAtomicSynchScope(SynchronizationScope SynchScope) {
1031 switch (SynchScope) {
1032 case SingleThread: return "SingleThread";
1033 case CrossThread: return "CrossThread";
1035 llvm_unreachable("Unknown synch scope");
1038 // printInstruction - This member is called for each Instruction in a function.
1039 void CppWriter::printInstruction(const Instruction *I,
1040 const std::string& bbname) {
1041 std::string iName(getCppName(I));
1043 // Before we emit this instruction, we need to take care of generating any
1044 // forward references. So, we get the names of all the operands in advance
1045 const unsigned Ops(I->getNumOperands());
1046 std::string* opNames = new std::string[Ops];
1047 for (unsigned i = 0; i < Ops; i++)
1048 opNames[i] = getOpName(I->getOperand(i));
1050 switch (I->getOpcode()) {
1052 error("Invalid instruction");
1055 case Instruction::Ret: {
1056 const ReturnInst* ret = cast<ReturnInst>(I);
1057 Out << "ReturnInst::Create(mod->getContext(), "
1058 << (ret->getReturnValue() ? opNames[0] + ", " : "") << bbname << ");";
1061 case Instruction::Br: {
1062 const BranchInst* br = cast<BranchInst>(I);
1063 Out << "BranchInst::Create(" ;
1064 if (br->getNumOperands() == 3) {
1065 Out << opNames[2] << ", "
1066 << opNames[1] << ", "
1067 << opNames[0] << ", ";
1069 } else if (br->getNumOperands() == 1) {
1070 Out << opNames[0] << ", ";
1072 error("Branch with 2 operands?");
1074 Out << bbname << ");";
1077 case Instruction::Switch: {
1078 const SwitchInst *SI = cast<SwitchInst>(I);
1079 Out << "SwitchInst* " << iName << " = SwitchInst::Create("
1080 << getOpName(SI->getCondition()) << ", "
1081 << getOpName(SI->getDefaultDest()) << ", "
1082 << SI->getNumCases() << ", " << bbname << ");";
1084 unsigned NumCases = SI->getNumCases();
1085 for (unsigned i = 1; i < NumCases; ++i) {
1086 const ConstantInt* CaseVal = SI->getCaseValue(i);
1087 const BasicBlock* BB = SI->getSuccessor(i);
1088 Out << iName << "->addCase("
1089 << getOpName(CaseVal) << ", "
1090 << getOpName(BB) << ");";
1095 case Instruction::IndirectBr: {
1096 const IndirectBrInst *IBI = cast<IndirectBrInst>(I);
1097 Out << "IndirectBrInst *" << iName << " = IndirectBrInst::Create("
1098 << opNames[0] << ", " << IBI->getNumDestinations() << ");";
1100 for (unsigned i = 1; i != IBI->getNumOperands(); ++i) {
1101 Out << iName << "->addDestination(" << opNames[i] << ");";
1106 case Instruction::Resume: {
1107 Out << "ResumeInst::Create(mod->getContext(), " << opNames[0]
1108 << ", " << bbname << ");";
1111 case Instruction::Invoke: {
1112 const InvokeInst* inv = cast<InvokeInst>(I);
1113 Out << "std::vector<Value*> " << iName << "_params;";
1115 for (unsigned i = 0; i < inv->getNumArgOperands(); ++i) {
1116 Out << iName << "_params.push_back("
1117 << getOpName(inv->getArgOperand(i)) << ");";
1120 // FIXME: This shouldn't use magic numbers -3, -2, and -1.
1121 Out << "InvokeInst *" << iName << " = InvokeInst::Create("
1122 << getOpName(inv->getCalledFunction()) << ", "
1123 << getOpName(inv->getNormalDest()) << ", "
1124 << getOpName(inv->getUnwindDest()) << ", "
1125 << iName << "_params, \"";
1126 printEscapedString(inv->getName());
1127 Out << "\", " << bbname << ");";
1128 nl(Out) << iName << "->setCallingConv(";
1129 printCallingConv(inv->getCallingConv());
1131 printAttributes(inv->getAttributes(), iName);
1132 Out << iName << "->setAttributes(" << iName << "_PAL);";
1136 case Instruction::Unwind: {
1137 Out << "new UnwindInst("
1141 case Instruction::Unreachable: {
1142 Out << "new UnreachableInst("
1143 << "mod->getContext(), "
1147 case Instruction::Add:
1148 case Instruction::FAdd:
1149 case Instruction::Sub:
1150 case Instruction::FSub:
1151 case Instruction::Mul:
1152 case Instruction::FMul:
1153 case Instruction::UDiv:
1154 case Instruction::SDiv:
1155 case Instruction::FDiv:
1156 case Instruction::URem:
1157 case Instruction::SRem:
1158 case Instruction::FRem:
1159 case Instruction::And:
1160 case Instruction::Or:
1161 case Instruction::Xor:
1162 case Instruction::Shl:
1163 case Instruction::LShr:
1164 case Instruction::AShr:{
1165 Out << "BinaryOperator* " << iName << " = BinaryOperator::Create(";
1166 switch (I->getOpcode()) {
1167 case Instruction::Add: Out << "Instruction::Add"; break;
1168 case Instruction::FAdd: Out << "Instruction::FAdd"; break;
1169 case Instruction::Sub: Out << "Instruction::Sub"; break;
1170 case Instruction::FSub: Out << "Instruction::FSub"; break;
1171 case Instruction::Mul: Out << "Instruction::Mul"; break;
1172 case Instruction::FMul: Out << "Instruction::FMul"; break;
1173 case Instruction::UDiv:Out << "Instruction::UDiv"; break;
1174 case Instruction::SDiv:Out << "Instruction::SDiv"; break;
1175 case Instruction::FDiv:Out << "Instruction::FDiv"; break;
1176 case Instruction::URem:Out << "Instruction::URem"; break;
1177 case Instruction::SRem:Out << "Instruction::SRem"; break;
1178 case Instruction::FRem:Out << "Instruction::FRem"; break;
1179 case Instruction::And: Out << "Instruction::And"; break;
1180 case Instruction::Or: Out << "Instruction::Or"; break;
1181 case Instruction::Xor: Out << "Instruction::Xor"; break;
1182 case Instruction::Shl: Out << "Instruction::Shl"; break;
1183 case Instruction::LShr:Out << "Instruction::LShr"; break;
1184 case Instruction::AShr:Out << "Instruction::AShr"; break;
1185 default: Out << "Instruction::BadOpCode"; break;
1187 Out << ", " << opNames[0] << ", " << opNames[1] << ", \"";
1188 printEscapedString(I->getName());
1189 Out << "\", " << bbname << ");";
1192 case Instruction::FCmp: {
1193 Out << "FCmpInst* " << iName << " = new FCmpInst(*" << bbname << ", ";
1194 switch (cast<FCmpInst>(I)->getPredicate()) {
1195 case FCmpInst::FCMP_FALSE: Out << "FCmpInst::FCMP_FALSE"; break;
1196 case FCmpInst::FCMP_OEQ : Out << "FCmpInst::FCMP_OEQ"; break;
1197 case FCmpInst::FCMP_OGT : Out << "FCmpInst::FCMP_OGT"; break;
1198 case FCmpInst::FCMP_OGE : Out << "FCmpInst::FCMP_OGE"; break;
1199 case FCmpInst::FCMP_OLT : Out << "FCmpInst::FCMP_OLT"; break;
1200 case FCmpInst::FCMP_OLE : Out << "FCmpInst::FCMP_OLE"; break;
1201 case FCmpInst::FCMP_ONE : Out << "FCmpInst::FCMP_ONE"; break;
1202 case FCmpInst::FCMP_ORD : Out << "FCmpInst::FCMP_ORD"; break;
1203 case FCmpInst::FCMP_UNO : Out << "FCmpInst::FCMP_UNO"; break;
1204 case FCmpInst::FCMP_UEQ : Out << "FCmpInst::FCMP_UEQ"; break;
1205 case FCmpInst::FCMP_UGT : Out << "FCmpInst::FCMP_UGT"; break;
1206 case FCmpInst::FCMP_UGE : Out << "FCmpInst::FCMP_UGE"; break;
1207 case FCmpInst::FCMP_ULT : Out << "FCmpInst::FCMP_ULT"; break;
1208 case FCmpInst::FCMP_ULE : Out << "FCmpInst::FCMP_ULE"; break;
1209 case FCmpInst::FCMP_UNE : Out << "FCmpInst::FCMP_UNE"; break;
1210 case FCmpInst::FCMP_TRUE : Out << "FCmpInst::FCMP_TRUE"; break;
1211 default: Out << "FCmpInst::BAD_ICMP_PREDICATE"; break;
1213 Out << ", " << opNames[0] << ", " << opNames[1] << ", \"";
1214 printEscapedString(I->getName());
1218 case Instruction::ICmp: {
1219 Out << "ICmpInst* " << iName << " = new ICmpInst(*" << bbname << ", ";
1220 switch (cast<ICmpInst>(I)->getPredicate()) {
1221 case ICmpInst::ICMP_EQ: Out << "ICmpInst::ICMP_EQ"; break;
1222 case ICmpInst::ICMP_NE: Out << "ICmpInst::ICMP_NE"; break;
1223 case ICmpInst::ICMP_ULE: Out << "ICmpInst::ICMP_ULE"; break;
1224 case ICmpInst::ICMP_SLE: Out << "ICmpInst::ICMP_SLE"; break;
1225 case ICmpInst::ICMP_UGE: Out << "ICmpInst::ICMP_UGE"; break;
1226 case ICmpInst::ICMP_SGE: Out << "ICmpInst::ICMP_SGE"; break;
1227 case ICmpInst::ICMP_ULT: Out << "ICmpInst::ICMP_ULT"; break;
1228 case ICmpInst::ICMP_SLT: Out << "ICmpInst::ICMP_SLT"; break;
1229 case ICmpInst::ICMP_UGT: Out << "ICmpInst::ICMP_UGT"; break;
1230 case ICmpInst::ICMP_SGT: Out << "ICmpInst::ICMP_SGT"; break;
1231 default: Out << "ICmpInst::BAD_ICMP_PREDICATE"; break;
1233 Out << ", " << opNames[0] << ", " << opNames[1] << ", \"";
1234 printEscapedString(I->getName());
1238 case Instruction::Alloca: {
1239 const AllocaInst* allocaI = cast<AllocaInst>(I);
1240 Out << "AllocaInst* " << iName << " = new AllocaInst("
1241 << getCppName(allocaI->getAllocatedType()) << ", ";
1242 if (allocaI->isArrayAllocation())
1243 Out << opNames[0] << ", ";
1245 printEscapedString(allocaI->getName());
1246 Out << "\", " << bbname << ");";
1247 if (allocaI->getAlignment())
1248 nl(Out) << iName << "->setAlignment("
1249 << allocaI->getAlignment() << ");";
1252 case Instruction::Load: {
1253 const LoadInst* load = cast<LoadInst>(I);
1254 Out << "LoadInst* " << iName << " = new LoadInst("
1255 << opNames[0] << ", \"";
1256 printEscapedString(load->getName());
1257 Out << "\", " << (load->isVolatile() ? "true" : "false" )
1258 << ", " << bbname << ");";
1259 if (load->getAlignment())
1260 nl(Out) << iName << "->setAlignment("
1261 << load->getAlignment() << ");";
1262 if (load->isAtomic()) {
1263 StringRef Ordering = ConvertAtomicOrdering(load->getOrdering());
1264 StringRef CrossThread = ConvertAtomicSynchScope(load->getSynchScope());
1265 nl(Out) << iName << "->setAtomic("
1266 << Ordering << ", " << CrossThread << ");";
1270 case Instruction::Store: {
1271 const StoreInst* store = cast<StoreInst>(I);
1272 Out << "StoreInst* " << iName << " = new StoreInst("
1273 << opNames[0] << ", "
1274 << opNames[1] << ", "
1275 << (store->isVolatile() ? "true" : "false")
1276 << ", " << bbname << ");";
1277 if (store->getAlignment())
1278 nl(Out) << iName << "->setAlignment("
1279 << store->getAlignment() << ");";
1280 if (store->isAtomic()) {
1281 StringRef Ordering = ConvertAtomicOrdering(store->getOrdering());
1282 StringRef CrossThread = ConvertAtomicSynchScope(store->getSynchScope());
1283 nl(Out) << iName << "->setAtomic("
1284 << Ordering << ", " << CrossThread << ");";
1288 case Instruction::GetElementPtr: {
1289 const GetElementPtrInst* gep = cast<GetElementPtrInst>(I);
1290 if (gep->getNumOperands() <= 2) {
1291 Out << "GetElementPtrInst* " << iName << " = GetElementPtrInst::Create("
1293 if (gep->getNumOperands() == 2)
1294 Out << ", " << opNames[1];
1296 Out << "std::vector<Value*> " << iName << "_indices;";
1298 for (unsigned i = 1; i < gep->getNumOperands(); ++i ) {
1299 Out << iName << "_indices.push_back("
1300 << opNames[i] << ");";
1303 Out << "Instruction* " << iName << " = GetElementPtrInst::Create("
1304 << opNames[0] << ", " << iName << "_indices";
1307 printEscapedString(gep->getName());
1308 Out << "\", " << bbname << ");";
1311 case Instruction::PHI: {
1312 const PHINode* phi = cast<PHINode>(I);
1314 Out << "PHINode* " << iName << " = PHINode::Create("
1315 << getCppName(phi->getType()) << ", "
1316 << phi->getNumIncomingValues() << ", \"";
1317 printEscapedString(phi->getName());
1318 Out << "\", " << bbname << ");";
1320 for (unsigned i = 0; i < phi->getNumIncomingValues(); ++i) {
1321 Out << iName << "->addIncoming("
1322 << opNames[PHINode::getOperandNumForIncomingValue(i)] << ", "
1323 << getOpName(phi->getIncomingBlock(i)) << ");";
1328 case Instruction::Trunc:
1329 case Instruction::ZExt:
1330 case Instruction::SExt:
1331 case Instruction::FPTrunc:
1332 case Instruction::FPExt:
1333 case Instruction::FPToUI:
1334 case Instruction::FPToSI:
1335 case Instruction::UIToFP:
1336 case Instruction::SIToFP:
1337 case Instruction::PtrToInt:
1338 case Instruction::IntToPtr:
1339 case Instruction::BitCast: {
1340 const CastInst* cst = cast<CastInst>(I);
1341 Out << "CastInst* " << iName << " = new ";
1342 switch (I->getOpcode()) {
1343 case Instruction::Trunc: Out << "TruncInst"; break;
1344 case Instruction::ZExt: Out << "ZExtInst"; break;
1345 case Instruction::SExt: Out << "SExtInst"; break;
1346 case Instruction::FPTrunc: Out << "FPTruncInst"; break;
1347 case Instruction::FPExt: Out << "FPExtInst"; break;
1348 case Instruction::FPToUI: Out << "FPToUIInst"; break;
1349 case Instruction::FPToSI: Out << "FPToSIInst"; break;
1350 case Instruction::UIToFP: Out << "UIToFPInst"; break;
1351 case Instruction::SIToFP: Out << "SIToFPInst"; break;
1352 case Instruction::PtrToInt: Out << "PtrToIntInst"; break;
1353 case Instruction::IntToPtr: Out << "IntToPtrInst"; break;
1354 case Instruction::BitCast: Out << "BitCastInst"; break;
1355 default: assert(0 && "Unreachable"); break;
1357 Out << "(" << opNames[0] << ", "
1358 << getCppName(cst->getType()) << ", \"";
1359 printEscapedString(cst->getName());
1360 Out << "\", " << bbname << ");";
1363 case Instruction::Call: {
1364 const CallInst* call = cast<CallInst>(I);
1365 if (const InlineAsm* ila = dyn_cast<InlineAsm>(call->getCalledValue())) {
1366 Out << "InlineAsm* " << getCppName(ila) << " = InlineAsm::get("
1367 << getCppName(ila->getFunctionType()) << ", \""
1368 << ila->getAsmString() << "\", \""
1369 << ila->getConstraintString() << "\","
1370 << (ila->hasSideEffects() ? "true" : "false") << ");";
1373 if (call->getNumArgOperands() > 1) {
1374 Out << "std::vector<Value*> " << iName << "_params;";
1376 for (unsigned i = 0; i < call->getNumArgOperands(); ++i) {
1377 Out << iName << "_params.push_back(" << opNames[i] << ");";
1380 Out << "CallInst* " << iName << " = CallInst::Create("
1381 << opNames[call->getNumArgOperands()] << ", "
1382 << iName << "_params, \"";
1383 } else if (call->getNumArgOperands() == 1) {
1384 Out << "CallInst* " << iName << " = CallInst::Create("
1385 << opNames[call->getNumArgOperands()] << ", " << opNames[0] << ", \"";
1387 Out << "CallInst* " << iName << " = CallInst::Create("
1388 << opNames[call->getNumArgOperands()] << ", \"";
1390 printEscapedString(call->getName());
1391 Out << "\", " << bbname << ");";
1392 nl(Out) << iName << "->setCallingConv(";
1393 printCallingConv(call->getCallingConv());
1395 nl(Out) << iName << "->setTailCall("
1396 << (call->isTailCall() ? "true" : "false");
1399 printAttributes(call->getAttributes(), iName);
1400 Out << iName << "->setAttributes(" << iName << "_PAL);";
1404 case Instruction::Select: {
1405 const SelectInst* sel = cast<SelectInst>(I);
1406 Out << "SelectInst* " << getCppName(sel) << " = SelectInst::Create(";
1407 Out << opNames[0] << ", " << opNames[1] << ", " << opNames[2] << ", \"";
1408 printEscapedString(sel->getName());
1409 Out << "\", " << bbname << ");";
1412 case Instruction::UserOp1:
1414 case Instruction::UserOp2: {
1415 /// FIXME: What should be done here?
1418 case Instruction::VAArg: {
1419 const VAArgInst* va = cast<VAArgInst>(I);
1420 Out << "VAArgInst* " << getCppName(va) << " = new VAArgInst("
1421 << opNames[0] << ", " << getCppName(va->getType()) << ", \"";
1422 printEscapedString(va->getName());
1423 Out << "\", " << bbname << ");";
1426 case Instruction::ExtractElement: {
1427 const ExtractElementInst* eei = cast<ExtractElementInst>(I);
1428 Out << "ExtractElementInst* " << getCppName(eei)
1429 << " = new ExtractElementInst(" << opNames[0]
1430 << ", " << opNames[1] << ", \"";
1431 printEscapedString(eei->getName());
1432 Out << "\", " << bbname << ");";
1435 case Instruction::InsertElement: {
1436 const InsertElementInst* iei = cast<InsertElementInst>(I);
1437 Out << "InsertElementInst* " << getCppName(iei)
1438 << " = InsertElementInst::Create(" << opNames[0]
1439 << ", " << opNames[1] << ", " << opNames[2] << ", \"";
1440 printEscapedString(iei->getName());
1441 Out << "\", " << bbname << ");";
1444 case Instruction::ShuffleVector: {
1445 const ShuffleVectorInst* svi = cast<ShuffleVectorInst>(I);
1446 Out << "ShuffleVectorInst* " << getCppName(svi)
1447 << " = new ShuffleVectorInst(" << opNames[0]
1448 << ", " << opNames[1] << ", " << opNames[2] << ", \"";
1449 printEscapedString(svi->getName());
1450 Out << "\", " << bbname << ");";
1453 case Instruction::ExtractValue: {
1454 const ExtractValueInst *evi = cast<ExtractValueInst>(I);
1455 Out << "std::vector<unsigned> " << iName << "_indices;";
1457 for (unsigned i = 0; i < evi->getNumIndices(); ++i) {
1458 Out << iName << "_indices.push_back("
1459 << evi->idx_begin()[i] << ");";
1462 Out << "ExtractValueInst* " << getCppName(evi)
1463 << " = ExtractValueInst::Create(" << opNames[0]
1465 << iName << "_indices, \"";
1466 printEscapedString(evi->getName());
1467 Out << "\", " << bbname << ");";
1470 case Instruction::InsertValue: {
1471 const InsertValueInst *ivi = cast<InsertValueInst>(I);
1472 Out << "std::vector<unsigned> " << iName << "_indices;";
1474 for (unsigned i = 0; i < ivi->getNumIndices(); ++i) {
1475 Out << iName << "_indices.push_back("
1476 << ivi->idx_begin()[i] << ");";
1479 Out << "InsertValueInst* " << getCppName(ivi)
1480 << " = InsertValueInst::Create(" << opNames[0]
1481 << ", " << opNames[1] << ", "
1482 << iName << "_indices, \"";
1483 printEscapedString(ivi->getName());
1484 Out << "\", " << bbname << ");";
1487 case Instruction::Fence: {
1488 const FenceInst *fi = cast<FenceInst>(I);
1489 StringRef Ordering = ConvertAtomicOrdering(fi->getOrdering());
1490 StringRef CrossThread = ConvertAtomicSynchScope(fi->getSynchScope());
1491 Out << "FenceInst* " << iName
1492 << " = new FenceInst(mod->getContext(), "
1493 << Ordering << ", " << CrossThread << ", " << bbname
1497 case Instruction::AtomicCmpXchg: {
1498 const AtomicCmpXchgInst *cxi = cast<AtomicCmpXchgInst>(I);
1499 StringRef Ordering = ConvertAtomicOrdering(cxi->getOrdering());
1500 StringRef CrossThread = ConvertAtomicSynchScope(cxi->getSynchScope());
1501 Out << "AtomicCmpXchgInst* " << iName
1502 << " = new AtomicCmpXchgInst("
1503 << opNames[0] << ", " << opNames[1] << ", " << opNames[2] << ", "
1504 << Ordering << ", " << CrossThread << ", " << bbname
1506 nl(Out) << iName << "->setName(\"";
1507 printEscapedString(cxi->getName());
1511 case Instruction::AtomicRMW: {
1512 const AtomicRMWInst *rmwi = cast<AtomicRMWInst>(I);
1513 StringRef Ordering = ConvertAtomicOrdering(rmwi->getOrdering());
1514 StringRef CrossThread = ConvertAtomicSynchScope(rmwi->getSynchScope());
1515 StringRef Operation;
1516 switch (rmwi->getOperation()) {
1517 case AtomicRMWInst::Xchg: Operation = "AtomicRMWInst::Xchg"; break;
1518 case AtomicRMWInst::Add: Operation = "AtomicRMWInst::Add"; break;
1519 case AtomicRMWInst::Sub: Operation = "AtomicRMWInst::Sub"; break;
1520 case AtomicRMWInst::And: Operation = "AtomicRMWInst::And"; break;
1521 case AtomicRMWInst::Nand: Operation = "AtomicRMWInst::Nand"; break;
1522 case AtomicRMWInst::Or: Operation = "AtomicRMWInst::Or"; break;
1523 case AtomicRMWInst::Xor: Operation = "AtomicRMWInst::Xor"; break;
1524 case AtomicRMWInst::Max: Operation = "AtomicRMWInst::Max"; break;
1525 case AtomicRMWInst::Min: Operation = "AtomicRMWInst::Min"; break;
1526 case AtomicRMWInst::UMax: Operation = "AtomicRMWInst::UMax"; break;
1527 case AtomicRMWInst::UMin: Operation = "AtomicRMWInst::UMin"; break;
1528 case AtomicRMWInst::BAD_BINOP: llvm_unreachable("Bad atomic operation");
1530 Out << "AtomicRMWInst* " << iName
1531 << " = new AtomicRMWInst("
1532 << Operation << ", "
1533 << opNames[0] << ", " << opNames[1] << ", "
1534 << Ordering << ", " << CrossThread << ", " << bbname
1536 nl(Out) << iName << "->setName(\"";
1537 printEscapedString(rmwi->getName());
1542 DefinedValues.insert(I);
1547 // Print out the types, constants and declarations needed by one function
1548 void CppWriter::printFunctionUses(const Function* F) {
1549 nl(Out) << "// Type Definitions"; nl(Out);
1551 // Print the function's return type
1552 printType(F->getReturnType());
1554 // Print the function's function type
1555 printType(F->getFunctionType());
1557 // Print the types of each of the function's arguments
1558 for (Function::const_arg_iterator AI = F->arg_begin(), AE = F->arg_end();
1560 printType(AI->getType());
1564 // Print type definitions for every type referenced by an instruction and
1565 // make a note of any global values or constants that are referenced
1566 SmallPtrSet<GlobalValue*,64> gvs;
1567 SmallPtrSet<Constant*,64> consts;
1568 for (Function::const_iterator BB = F->begin(), BE = F->end();
1570 for (BasicBlock::const_iterator I = BB->begin(), E = BB->end();
1572 // Print the type of the instruction itself
1573 printType(I->getType());
1575 // Print the type of each of the instruction's operands
1576 for (unsigned i = 0; i < I->getNumOperands(); ++i) {
1577 Value* operand = I->getOperand(i);
1578 printType(operand->getType());
1580 // If the operand references a GVal or Constant, make a note of it
1581 if (GlobalValue* GV = dyn_cast<GlobalValue>(operand)) {
1583 if (GenerationType != GenFunction)
1584 if (GlobalVariable *GVar = dyn_cast<GlobalVariable>(GV))
1585 if (GVar->hasInitializer())
1586 consts.insert(GVar->getInitializer());
1587 } else if (Constant* C = dyn_cast<Constant>(operand)) {
1589 for (unsigned j = 0; j < C->getNumOperands(); ++j) {
1590 // If the operand references a GVal or Constant, make a note of it
1591 Value* operand = C->getOperand(j);
1592 printType(operand->getType());
1593 if (GlobalValue* GV = dyn_cast<GlobalValue>(operand)) {
1595 if (GenerationType != GenFunction)
1596 if (GlobalVariable *GVar = dyn_cast<GlobalVariable>(GV))
1597 if (GVar->hasInitializer())
1598 consts.insert(GVar->getInitializer());
1606 // Print the function declarations for any functions encountered
1607 nl(Out) << "// Function Declarations"; nl(Out);
1608 for (SmallPtrSet<GlobalValue*,64>::iterator I = gvs.begin(), E = gvs.end();
1610 if (Function* Fun = dyn_cast<Function>(*I)) {
1611 if (!is_inline || Fun != F)
1612 printFunctionHead(Fun);
1616 // Print the global variable declarations for any variables encountered
1617 nl(Out) << "// Global Variable Declarations"; nl(Out);
1618 for (SmallPtrSet<GlobalValue*,64>::iterator I = gvs.begin(), E = gvs.end();
1620 if (GlobalVariable* F = dyn_cast<GlobalVariable>(*I))
1621 printVariableHead(F);
1624 // Print the constants found
1625 nl(Out) << "// Constant Definitions"; nl(Out);
1626 for (SmallPtrSet<Constant*,64>::iterator I = consts.begin(),
1627 E = consts.end(); I != E; ++I) {
1631 // Process the global variables definitions now that all the constants have
1632 // been emitted. These definitions just couple the gvars with their constant
1634 if (GenerationType != GenFunction) {
1635 nl(Out) << "// Global Variable Definitions"; nl(Out);
1636 for (SmallPtrSet<GlobalValue*,64>::iterator I = gvs.begin(), E = gvs.end();
1638 if (GlobalVariable* GV = dyn_cast<GlobalVariable>(*I))
1639 printVariableBody(GV);
1644 void CppWriter::printFunctionHead(const Function* F) {
1645 nl(Out) << "Function* " << getCppName(F);
1646 Out << " = mod->getFunction(\"";
1647 printEscapedString(F->getName());
1649 nl(Out) << "if (!" << getCppName(F) << ") {";
1650 nl(Out) << getCppName(F);
1652 Out<< " = Function::Create(";
1653 nl(Out,1) << "/*Type=*/" << getCppName(F->getFunctionType()) << ",";
1654 nl(Out) << "/*Linkage=*/";
1655 printLinkageType(F->getLinkage());
1657 nl(Out) << "/*Name=*/\"";
1658 printEscapedString(F->getName());
1659 Out << "\", mod); " << (F->isDeclaration()? "// (external, no body)" : "");
1662 Out << "->setCallingConv(";
1663 printCallingConv(F->getCallingConv());
1666 if (F->hasSection()) {
1668 Out << "->setSection(\"" << F->getSection() << "\");";
1671 if (F->getAlignment()) {
1673 Out << "->setAlignment(" << F->getAlignment() << ");";
1676 if (F->getVisibility() != GlobalValue::DefaultVisibility) {
1678 Out << "->setVisibility(";
1679 printVisibilityType(F->getVisibility());
1685 Out << "->setGC(\"" << F->getGC() << "\");";
1690 printAttributes(F->getAttributes(), getCppName(F));
1692 Out << "->setAttributes(" << getCppName(F) << "_PAL);";
1696 void CppWriter::printFunctionBody(const Function *F) {
1697 if (F->isDeclaration())
1698 return; // external functions have no bodies.
1700 // Clear the DefinedValues and ForwardRefs maps because we can't have
1701 // cross-function forward refs
1702 ForwardRefs.clear();
1703 DefinedValues.clear();
1705 // Create all the argument values
1707 if (!F->arg_empty()) {
1708 Out << "Function::arg_iterator args = " << getCppName(F)
1709 << "->arg_begin();";
1712 for (Function::const_arg_iterator AI = F->arg_begin(), AE = F->arg_end();
1714 Out << "Value* " << getCppName(AI) << " = args++;";
1716 if (AI->hasName()) {
1717 Out << getCppName(AI) << "->setName(\"";
1718 printEscapedString(AI->getName());
1725 // Create all the basic blocks
1727 for (Function::const_iterator BI = F->begin(), BE = F->end();
1729 std::string bbname(getCppName(BI));
1730 Out << "BasicBlock* " << bbname <<
1731 " = BasicBlock::Create(mod->getContext(), \"";
1733 printEscapedString(BI->getName());
1734 Out << "\"," << getCppName(BI->getParent()) << ",0);";
1738 // Output all of its basic blocks... for the function
1739 for (Function::const_iterator BI = F->begin(), BE = F->end();
1741 std::string bbname(getCppName(BI));
1742 nl(Out) << "// Block " << BI->getName() << " (" << bbname << ")";
1745 // Output all of the instructions in the basic block...
1746 for (BasicBlock::const_iterator I = BI->begin(), E = BI->end();
1748 printInstruction(I,bbname);
1752 // Loop over the ForwardRefs and resolve them now that all instructions
1754 if (!ForwardRefs.empty()) {
1755 nl(Out) << "// Resolve Forward References";
1759 while (!ForwardRefs.empty()) {
1760 ForwardRefMap::iterator I = ForwardRefs.begin();
1761 Out << I->second << "->replaceAllUsesWith("
1762 << getCppName(I->first) << "); delete " << I->second << ";";
1764 ForwardRefs.erase(I);
1768 void CppWriter::printInline(const std::string& fname,
1769 const std::string& func) {
1770 const Function* F = TheModule->getFunction(func);
1772 error(std::string("Function '") + func + "' not found in input module");
1775 if (F->isDeclaration()) {
1776 error(std::string("Function '") + func + "' is external!");
1779 nl(Out) << "BasicBlock* " << fname << "(Module* mod, Function *"
1781 unsigned arg_count = 1;
1782 for (Function::const_arg_iterator AI = F->arg_begin(), AE = F->arg_end();
1784 Out << ", Value* arg_" << arg_count;
1789 printFunctionUses(F);
1790 printFunctionBody(F);
1792 Out << "return " << getCppName(F->begin()) << ";";
1797 void CppWriter::printModuleBody() {
1798 // Print out all the type definitions
1799 nl(Out) << "// Type Definitions"; nl(Out);
1800 printTypes(TheModule);
1802 // Functions can call each other and global variables can reference them so
1803 // define all the functions first before emitting their function bodies.
1804 nl(Out) << "// Function Declarations"; nl(Out);
1805 for (Module::const_iterator I = TheModule->begin(), E = TheModule->end();
1807 printFunctionHead(I);
1809 // Process the global variables declarations. We can't initialze them until
1810 // after the constants are printed so just print a header for each global
1811 nl(Out) << "// Global Variable Declarations\n"; nl(Out);
1812 for (Module::const_global_iterator I = TheModule->global_begin(),
1813 E = TheModule->global_end(); I != E; ++I) {
1814 printVariableHead(I);
1817 // Print out all the constants definitions. Constants don't recurse except
1818 // through GlobalValues. All GlobalValues have been declared at this point
1819 // so we can proceed to generate the constants.
1820 nl(Out) << "// Constant Definitions"; nl(Out);
1821 printConstants(TheModule);
1823 // Process the global variables definitions now that all the constants have
1824 // been emitted. These definitions just couple the gvars with their constant
1826 nl(Out) << "// Global Variable Definitions"; nl(Out);
1827 for (Module::const_global_iterator I = TheModule->global_begin(),
1828 E = TheModule->global_end(); I != E; ++I) {
1829 printVariableBody(I);
1832 // Finally, we can safely put out all of the function bodies.
1833 nl(Out) << "// Function Definitions"; nl(Out);
1834 for (Module::const_iterator I = TheModule->begin(), E = TheModule->end();
1836 if (!I->isDeclaration()) {
1837 nl(Out) << "// Function: " << I->getName() << " (" << getCppName(I)
1841 printFunctionBody(I);
1848 void CppWriter::printProgram(const std::string& fname,
1849 const std::string& mName) {
1850 Out << "#include <llvm/LLVMContext.h>\n";
1851 Out << "#include <llvm/Module.h>\n";
1852 Out << "#include <llvm/DerivedTypes.h>\n";
1853 Out << "#include <llvm/Constants.h>\n";
1854 Out << "#include <llvm/GlobalVariable.h>\n";
1855 Out << "#include <llvm/Function.h>\n";
1856 Out << "#include <llvm/CallingConv.h>\n";
1857 Out << "#include <llvm/BasicBlock.h>\n";
1858 Out << "#include <llvm/Instructions.h>\n";
1859 Out << "#include <llvm/InlineAsm.h>\n";
1860 Out << "#include <llvm/Support/FormattedStream.h>\n";
1861 Out << "#include <llvm/Support/MathExtras.h>\n";
1862 Out << "#include <llvm/Pass.h>\n";
1863 Out << "#include <llvm/PassManager.h>\n";
1864 Out << "#include <llvm/ADT/SmallVector.h>\n";
1865 Out << "#include <llvm/Analysis/Verifier.h>\n";
1866 Out << "#include <llvm/Assembly/PrintModulePass.h>\n";
1867 Out << "#include <algorithm>\n";
1868 Out << "using namespace llvm;\n\n";
1869 Out << "Module* " << fname << "();\n\n";
1870 Out << "int main(int argc, char**argv) {\n";
1871 Out << " Module* Mod = " << fname << "();\n";
1872 Out << " verifyModule(*Mod, PrintMessageAction);\n";
1873 Out << " PassManager PM;\n";
1874 Out << " PM.add(createPrintModulePass(&outs()));\n";
1875 Out << " PM.run(*Mod);\n";
1876 Out << " return 0;\n";
1878 printModule(fname,mName);
1881 void CppWriter::printModule(const std::string& fname,
1882 const std::string& mName) {
1883 nl(Out) << "Module* " << fname << "() {";
1884 nl(Out,1) << "// Module Construction";
1885 nl(Out) << "Module* mod = new Module(\"";
1886 printEscapedString(mName);
1887 Out << "\", getGlobalContext());";
1888 if (!TheModule->getTargetTriple().empty()) {
1889 nl(Out) << "mod->setDataLayout(\"" << TheModule->getDataLayout() << "\");";
1891 if (!TheModule->getTargetTriple().empty()) {
1892 nl(Out) << "mod->setTargetTriple(\"" << TheModule->getTargetTriple()
1896 if (!TheModule->getModuleInlineAsm().empty()) {
1897 nl(Out) << "mod->setModuleInlineAsm(\"";
1898 printEscapedString(TheModule->getModuleInlineAsm());
1903 // Loop over the dependent libraries and emit them.
1904 Module::lib_iterator LI = TheModule->lib_begin();
1905 Module::lib_iterator LE = TheModule->lib_end();
1907 Out << "mod->addLibrary(\"" << *LI << "\");";
1912 nl(Out) << "return mod;";
1917 void CppWriter::printContents(const std::string& fname,
1918 const std::string& mName) {
1919 Out << "\nModule* " << fname << "(Module *mod) {\n";
1920 Out << "\nmod->setModuleIdentifier(\"";
1921 printEscapedString(mName);
1924 Out << "\nreturn mod;\n";
1928 void CppWriter::printFunction(const std::string& fname,
1929 const std::string& funcName) {
1930 const Function* F = TheModule->getFunction(funcName);
1932 error(std::string("Function '") + funcName + "' not found in input module");
1935 Out << "\nFunction* " << fname << "(Module *mod) {\n";
1936 printFunctionUses(F);
1937 printFunctionHead(F);
1938 printFunctionBody(F);
1939 Out << "return " << getCppName(F) << ";\n";
1943 void CppWriter::printFunctions() {
1944 const Module::FunctionListType &funcs = TheModule->getFunctionList();
1945 Module::const_iterator I = funcs.begin();
1946 Module::const_iterator IE = funcs.end();
1948 for (; I != IE; ++I) {
1949 const Function &func = *I;
1950 if (!func.isDeclaration()) {
1951 std::string name("define_");
1952 name += func.getName();
1953 printFunction(name, func.getName());
1958 void CppWriter::printVariable(const std::string& fname,
1959 const std::string& varName) {
1960 const GlobalVariable* GV = TheModule->getNamedGlobal(varName);
1963 error(std::string("Variable '") + varName + "' not found in input module");
1966 Out << "\nGlobalVariable* " << fname << "(Module *mod) {\n";
1967 printVariableUses(GV);
1968 printVariableHead(GV);
1969 printVariableBody(GV);
1970 Out << "return " << getCppName(GV) << ";\n";
1974 void CppWriter::printType(const std::string &fname,
1975 const std::string &typeName) {
1976 Type* Ty = TheModule->getTypeByName(typeName);
1978 error(std::string("Type '") + typeName + "' not found in input module");
1981 Out << "\nType* " << fname << "(Module *mod) {\n";
1983 Out << "return " << getCppName(Ty) << ";\n";
1987 bool CppWriter::runOnModule(Module &M) {
1991 Out << "// Generated by llvm2cpp - DO NOT MODIFY!\n\n";
1993 // Get the name of the function we're supposed to generate
1994 std::string fname = FuncName.getValue();
1996 // Get the name of the thing we are to generate
1997 std::string tgtname = NameToGenerate.getValue();
1998 if (GenerationType == GenModule ||
1999 GenerationType == GenContents ||
2000 GenerationType == GenProgram ||
2001 GenerationType == GenFunctions) {
2002 if (tgtname == "!bad!") {
2003 if (M.getModuleIdentifier() == "-")
2004 tgtname = "<stdin>";
2006 tgtname = M.getModuleIdentifier();
2008 } else if (tgtname == "!bad!")
2009 error("You must use the -for option with -gen-{function,variable,type}");
2011 switch (WhatToGenerate(GenerationType)) {
2014 fname = "makeLLVMModule";
2015 printProgram(fname,tgtname);
2019 fname = "makeLLVMModule";
2020 printModule(fname,tgtname);
2024 fname = "makeLLVMModuleContents";
2025 printContents(fname,tgtname);
2029 fname = "makeLLVMFunction";
2030 printFunction(fname,tgtname);
2037 fname = "makeLLVMInline";
2038 printInline(fname,tgtname);
2042 fname = "makeLLVMVariable";
2043 printVariable(fname,tgtname);
2047 fname = "makeLLVMType";
2048 printType(fname,tgtname);
2055 char CppWriter::ID = 0;
2057 //===----------------------------------------------------------------------===//
2058 // External Interface declaration
2059 //===----------------------------------------------------------------------===//
2061 bool CPPTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
2062 formatted_raw_ostream &o,
2063 CodeGenFileType FileType,
2064 bool DisableVerify) {
2065 if (FileType != TargetMachine::CGFT_AssemblyFile) return true;
2066 PM.add(new CppWriter(o));