mirror of
https://github.com/c64scene-ar/llvm-6502.git
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e28039cfd1
- The C, C++, MSIL, and Mips backends still need the module. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77927 91177308-0d34-0410-b5e6-96231b3b80d8
2019 lines
74 KiB
C++
2019 lines
74 KiB
C++
//===-- CPPBackend.cpp - Library for converting LLVM code to C++ code -----===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the writing of the LLVM IR as a set of C++ calls to the
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// LLVM IR interface. The input module is assumed to be verified.
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//
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//===----------------------------------------------------------------------===//
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#include "CPPTargetMachine.h"
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#include "llvm/CallingConv.h"
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#include "llvm/Constants.h"
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#include "llvm/DerivedTypes.h"
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#include "llvm/InlineAsm.h"
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#include "llvm/Instruction.h"
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#include "llvm/Instructions.h"
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#include "llvm/Module.h"
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#include "llvm/Pass.h"
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#include "llvm/PassManager.h"
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#include "llvm/TypeSymbolTable.h"
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#include "llvm/ADT/StringExtras.h"
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#include "llvm/ADT/STLExtras.h"
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#include "llvm/ADT/SmallPtrSet.h"
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#include "llvm/Support/CommandLine.h"
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#include "llvm/Support/ErrorHandling.h"
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#include "llvm/Support/FormattedStream.h"
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#include "llvm/Support/Streams.h"
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#include "llvm/Target/TargetRegistry.h"
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#include "llvm/Config/config.h"
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#include <algorithm>
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#include <set>
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using namespace llvm;
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static cl::opt<std::string>
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FuncName("cppfname", cl::desc("Specify the name of the generated function"),
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cl::value_desc("function name"));
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enum WhatToGenerate {
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GenProgram,
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GenModule,
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GenContents,
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GenFunction,
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GenFunctions,
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GenInline,
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GenVariable,
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GenType
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};
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static cl::opt<WhatToGenerate> GenerationType("cppgen", cl::Optional,
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cl::desc("Choose what kind of output to generate"),
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cl::init(GenProgram),
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cl::values(
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clEnumValN(GenProgram, "program", "Generate a complete program"),
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clEnumValN(GenModule, "module", "Generate a module definition"),
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clEnumValN(GenContents, "contents", "Generate contents of a module"),
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clEnumValN(GenFunction, "function", "Generate a function definition"),
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clEnumValN(GenFunctions,"functions", "Generate all function definitions"),
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clEnumValN(GenInline, "inline", "Generate an inline function"),
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clEnumValN(GenVariable, "variable", "Generate a variable definition"),
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clEnumValN(GenType, "type", "Generate a type definition"),
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clEnumValEnd
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)
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);
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static cl::opt<std::string> NameToGenerate("cppfor", cl::Optional,
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cl::desc("Specify the name of the thing to generate"),
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cl::init("!bad!"));
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extern "C" void LLVMInitializeCppBackendTarget() {
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// Register the target.
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RegisterTargetMachineDeprecated<CPPTargetMachine> X(TheCppBackendTarget);
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}
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namespace {
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typedef std::vector<const Type*> TypeList;
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typedef std::map<const Type*,std::string> TypeMap;
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typedef std::map<const Value*,std::string> ValueMap;
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typedef std::set<std::string> NameSet;
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typedef std::set<const Type*> TypeSet;
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typedef std::set<const Value*> ValueSet;
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typedef std::map<const Value*,std::string> ForwardRefMap;
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/// CppWriter - This class is the main chunk of code that converts an LLVM
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/// module to a C++ translation unit.
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class CppWriter : public ModulePass {
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formatted_raw_ostream &Out;
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const Module *TheModule;
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uint64_t uniqueNum;
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TypeMap TypeNames;
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ValueMap ValueNames;
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TypeMap UnresolvedTypes;
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TypeList TypeStack;
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NameSet UsedNames;
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TypeSet DefinedTypes;
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ValueSet DefinedValues;
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ForwardRefMap ForwardRefs;
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bool is_inline;
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public:
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static char ID;
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explicit CppWriter(formatted_raw_ostream &o) :
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ModulePass(&ID), Out(o), uniqueNum(0), is_inline(false) {}
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virtual const char *getPassName() const { return "C++ backend"; }
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bool runOnModule(Module &M);
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void printProgram(const std::string& fname, const std::string& modName );
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void printModule(const std::string& fname, const std::string& modName );
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void printContents(const std::string& fname, const std::string& modName );
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void printFunction(const std::string& fname, const std::string& funcName );
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void printFunctions();
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void printInline(const std::string& fname, const std::string& funcName );
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void printVariable(const std::string& fname, const std::string& varName );
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void printType(const std::string& fname, const std::string& typeName );
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void error(const std::string& msg);
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private:
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void printLinkageType(GlobalValue::LinkageTypes LT);
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void printVisibilityType(GlobalValue::VisibilityTypes VisTypes);
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void printCallingConv(unsigned cc);
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void printEscapedString(const std::string& str);
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void printCFP(const ConstantFP* CFP);
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std::string getCppName(const Type* val);
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inline void printCppName(const Type* val);
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std::string getCppName(const Value* val);
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inline void printCppName(const Value* val);
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void printAttributes(const AttrListPtr &PAL, const std::string &name);
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bool printTypeInternal(const Type* Ty);
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inline void printType(const Type* Ty);
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void printTypes(const Module* M);
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void printConstant(const Constant *CPV);
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void printConstants(const Module* M);
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void printVariableUses(const GlobalVariable *GV);
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void printVariableHead(const GlobalVariable *GV);
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void printVariableBody(const GlobalVariable *GV);
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void printFunctionUses(const Function *F);
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void printFunctionHead(const Function *F);
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void printFunctionBody(const Function *F);
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void printInstruction(const Instruction *I, const std::string& bbname);
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std::string getOpName(Value*);
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void printModuleBody();
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};
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static unsigned indent_level = 0;
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inline formatted_raw_ostream& nl(formatted_raw_ostream& Out, int delta = 0) {
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Out << "\n";
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if (delta >= 0 || indent_level >= unsigned(-delta))
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indent_level += delta;
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for (unsigned i = 0; i < indent_level; ++i)
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Out << " ";
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return Out;
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}
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inline void in() { indent_level++; }
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inline void out() { if (indent_level >0) indent_level--; }
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inline void
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sanitize(std::string& str) {
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for (size_t i = 0; i < str.length(); ++i)
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if (!isalnum(str[i]) && str[i] != '_')
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str[i] = '_';
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}
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inline std::string
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getTypePrefix(const Type* Ty ) {
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switch (Ty->getTypeID()) {
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case Type::VoidTyID: return "void_";
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case Type::IntegerTyID:
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return std::string("int") + utostr(cast<IntegerType>(Ty)->getBitWidth()) +
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"_";
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case Type::FloatTyID: return "float_";
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case Type::DoubleTyID: return "double_";
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case Type::LabelTyID: return "label_";
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case Type::FunctionTyID: return "func_";
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case Type::StructTyID: return "struct_";
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case Type::ArrayTyID: return "array_";
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case Type::PointerTyID: return "ptr_";
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case Type::VectorTyID: return "packed_";
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case Type::OpaqueTyID: return "opaque_";
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default: return "other_";
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}
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return "unknown_";
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}
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// Looks up the type in the symbol table and returns a pointer to its name or
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// a null pointer if it wasn't found. Note that this isn't the same as the
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// Mode::getTypeName function which will return an empty string, not a null
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// pointer if the name is not found.
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inline const std::string*
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findTypeName(const TypeSymbolTable& ST, const Type* Ty) {
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TypeSymbolTable::const_iterator TI = ST.begin();
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TypeSymbolTable::const_iterator TE = ST.end();
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for (;TI != TE; ++TI)
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if (TI->second == Ty)
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return &(TI->first);
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return 0;
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}
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void CppWriter::error(const std::string& msg) {
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llvm_report_error(msg);
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}
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// printCFP - Print a floating point constant .. very carefully :)
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// This makes sure that conversion to/from floating yields the same binary
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// result so that we don't lose precision.
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void CppWriter::printCFP(const ConstantFP *CFP) {
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bool ignored;
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APFloat APF = APFloat(CFP->getValueAPF()); // copy
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if (CFP->getType() == Type::FloatTy)
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APF.convert(APFloat::IEEEdouble, APFloat::rmNearestTiesToEven, &ignored);
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Out << "ConstantFP::get(";
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Out << "APFloat(";
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#if HAVE_PRINTF_A
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char Buffer[100];
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sprintf(Buffer, "%A", APF.convertToDouble());
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if ((!strncmp(Buffer, "0x", 2) ||
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!strncmp(Buffer, "-0x", 3) ||
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!strncmp(Buffer, "+0x", 3)) &&
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APF.bitwiseIsEqual(APFloat(atof(Buffer)))) {
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if (CFP->getType() == Type::DoubleTy)
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Out << "BitsToDouble(" << Buffer << ")";
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else
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Out << "BitsToFloat((float)" << Buffer << ")";
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Out << ")";
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} else {
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#endif
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std::string StrVal = ftostr(CFP->getValueAPF());
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while (StrVal[0] == ' ')
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StrVal.erase(StrVal.begin());
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// Check to make sure that the stringized number is not some string like
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// "Inf" or NaN. Check that the string matches the "[-+]?[0-9]" regex.
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if (((StrVal[0] >= '0' && StrVal[0] <= '9') ||
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((StrVal[0] == '-' || StrVal[0] == '+') &&
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(StrVal[1] >= '0' && StrVal[1] <= '9'))) &&
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(CFP->isExactlyValue(atof(StrVal.c_str())))) {
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if (CFP->getType() == Type::DoubleTy)
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Out << StrVal;
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else
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Out << StrVal << "f";
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} else if (CFP->getType() == Type::DoubleTy)
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Out << "BitsToDouble(0x"
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<< utohexstr(CFP->getValueAPF().bitcastToAPInt().getZExtValue())
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<< "ULL) /* " << StrVal << " */";
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else
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Out << "BitsToFloat(0x"
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<< utohexstr((uint32_t)CFP->getValueAPF().
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bitcastToAPInt().getZExtValue())
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<< "U) /* " << StrVal << " */";
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Out << ")";
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#if HAVE_PRINTF_A
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}
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#endif
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Out << ")";
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}
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void CppWriter::printCallingConv(unsigned cc){
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// Print the calling convention.
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switch (cc) {
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case CallingConv::C: Out << "CallingConv::C"; break;
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case CallingConv::Fast: Out << "CallingConv::Fast"; break;
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case CallingConv::Cold: Out << "CallingConv::Cold"; break;
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case CallingConv::FirstTargetCC: Out << "CallingConv::FirstTargetCC"; break;
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default: Out << cc; break;
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}
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}
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void CppWriter::printLinkageType(GlobalValue::LinkageTypes LT) {
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switch (LT) {
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case GlobalValue::InternalLinkage:
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Out << "GlobalValue::InternalLinkage"; break;
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case GlobalValue::PrivateLinkage:
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Out << "GlobalValue::PrivateLinkage"; break;
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case GlobalValue::LinkerPrivateLinkage:
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Out << "GlobalValue::LinkerPrivateLinkage"; break;
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case GlobalValue::AvailableExternallyLinkage:
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Out << "GlobalValue::AvailableExternallyLinkage "; break;
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case GlobalValue::LinkOnceAnyLinkage:
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Out << "GlobalValue::LinkOnceAnyLinkage "; break;
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case GlobalValue::LinkOnceODRLinkage:
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Out << "GlobalValue::LinkOnceODRLinkage "; break;
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case GlobalValue::WeakAnyLinkage:
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Out << "GlobalValue::WeakAnyLinkage"; break;
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case GlobalValue::WeakODRLinkage:
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Out << "GlobalValue::WeakODRLinkage"; break;
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case GlobalValue::AppendingLinkage:
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Out << "GlobalValue::AppendingLinkage"; break;
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case GlobalValue::ExternalLinkage:
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Out << "GlobalValue::ExternalLinkage"; break;
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case GlobalValue::DLLImportLinkage:
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Out << "GlobalValue::DLLImportLinkage"; break;
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case GlobalValue::DLLExportLinkage:
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Out << "GlobalValue::DLLExportLinkage"; break;
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case GlobalValue::ExternalWeakLinkage:
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Out << "GlobalValue::ExternalWeakLinkage"; break;
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case GlobalValue::GhostLinkage:
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Out << "GlobalValue::GhostLinkage"; break;
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case GlobalValue::CommonLinkage:
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Out << "GlobalValue::CommonLinkage"; break;
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}
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}
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void CppWriter::printVisibilityType(GlobalValue::VisibilityTypes VisType) {
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switch (VisType) {
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default: llvm_unreachable("Unknown GVar visibility");
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case GlobalValue::DefaultVisibility:
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Out << "GlobalValue::DefaultVisibility";
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break;
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case GlobalValue::HiddenVisibility:
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Out << "GlobalValue::HiddenVisibility";
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break;
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case GlobalValue::ProtectedVisibility:
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Out << "GlobalValue::ProtectedVisibility";
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break;
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}
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}
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// printEscapedString - Print each character of the specified string, escaping
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// it if it is not printable or if it is an escape char.
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void CppWriter::printEscapedString(const std::string &Str) {
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for (unsigned i = 0, e = Str.size(); i != e; ++i) {
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unsigned char C = Str[i];
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if (isprint(C) && C != '"' && C != '\\') {
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Out << C;
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} else {
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Out << "\\x"
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<< (char) ((C/16 < 10) ? ( C/16 +'0') : ( C/16 -10+'A'))
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<< (char)(((C&15) < 10) ? ((C&15)+'0') : ((C&15)-10+'A'));
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}
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}
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}
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std::string CppWriter::getCppName(const Type* Ty) {
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// First, handle the primitive types .. easy
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if (Ty->isPrimitiveType() || Ty->isInteger()) {
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switch (Ty->getTypeID()) {
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case Type::VoidTyID: return "Type::VoidTy";
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case Type::IntegerTyID: {
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unsigned BitWidth = cast<IntegerType>(Ty)->getBitWidth();
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return "IntegerType::get(" + utostr(BitWidth) + ")";
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}
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case Type::X86_FP80TyID: return "Type::X86_FP80Ty";
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case Type::FloatTyID: return "Type::FloatTy";
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case Type::DoubleTyID: return "Type::DoubleTy";
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case Type::LabelTyID: return "Type::LabelTy";
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default:
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error("Invalid primitive type");
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break;
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}
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return "Type::VoidTy"; // shouldn't be returned, but make it sensible
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}
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// Now, see if we've seen the type before and return that
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TypeMap::iterator I = TypeNames.find(Ty);
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if (I != TypeNames.end())
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return I->second;
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// Okay, let's build a new name for this type. Start with a prefix
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const char* prefix = 0;
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switch (Ty->getTypeID()) {
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case Type::FunctionTyID: prefix = "FuncTy_"; break;
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case Type::StructTyID: prefix = "StructTy_"; break;
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case Type::ArrayTyID: prefix = "ArrayTy_"; break;
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case Type::PointerTyID: prefix = "PointerTy_"; break;
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case Type::OpaqueTyID: prefix = "OpaqueTy_"; break;
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case Type::VectorTyID: prefix = "VectorTy_"; break;
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default: prefix = "OtherTy_"; break; // prevent breakage
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}
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// See if the type has a name in the symboltable and build accordingly
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const std::string* tName = findTypeName(TheModule->getTypeSymbolTable(), Ty);
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std::string name;
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if (tName)
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name = std::string(prefix) + *tName;
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else
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name = std::string(prefix) + utostr(uniqueNum++);
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sanitize(name);
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// Save the name
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return TypeNames[Ty] = name;
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}
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void CppWriter::printCppName(const Type* Ty) {
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printEscapedString(getCppName(Ty));
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}
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std::string CppWriter::getCppName(const Value* val) {
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std::string name;
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ValueMap::iterator I = ValueNames.find(val);
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if (I != ValueNames.end() && I->first == val)
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return I->second;
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if (const GlobalVariable* GV = dyn_cast<GlobalVariable>(val)) {
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name = std::string("gvar_") +
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getTypePrefix(GV->getType()->getElementType());
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} else if (isa<Function>(val)) {
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name = std::string("func_");
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} else if (const Constant* C = dyn_cast<Constant>(val)) {
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name = std::string("const_") + getTypePrefix(C->getType());
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} else if (const Argument* Arg = dyn_cast<Argument>(val)) {
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if (is_inline) {
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unsigned argNum = std::distance(Arg->getParent()->arg_begin(),
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Function::const_arg_iterator(Arg)) + 1;
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name = std::string("arg_") + utostr(argNum);
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NameSet::iterator NI = UsedNames.find(name);
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if (NI != UsedNames.end())
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name += std::string("_") + utostr(uniqueNum++);
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UsedNames.insert(name);
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return ValueNames[val] = name;
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} else {
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name = getTypePrefix(val->getType());
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}
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} else {
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name = getTypePrefix(val->getType());
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}
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if (val->hasName())
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name += val->getName();
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else
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name += utostr(uniqueNum++);
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sanitize(name);
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NameSet::iterator NI = UsedNames.find(name);
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if (NI != UsedNames.end())
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name += std::string("_") + utostr(uniqueNum++);
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UsedNames.insert(name);
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return ValueNames[val] = name;
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}
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void CppWriter::printCppName(const Value* val) {
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printEscapedString(getCppName(val));
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}
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void CppWriter::printAttributes(const AttrListPtr &PAL,
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const std::string &name) {
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Out << "AttrListPtr " << name << "_PAL;";
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nl(Out);
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if (!PAL.isEmpty()) {
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Out << '{'; in(); nl(Out);
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Out << "SmallVector<AttributeWithIndex, 4> Attrs;"; nl(Out);
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Out << "AttributeWithIndex PAWI;"; nl(Out);
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for (unsigned i = 0; i < PAL.getNumSlots(); ++i) {
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unsigned index = PAL.getSlot(i).Index;
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Attributes attrs = PAL.getSlot(i).Attrs;
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Out << "PAWI.Index = " << index << "U; PAWI.Attrs = 0 ";
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#define HANDLE_ATTR(X) \
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if (attrs & Attribute::X) \
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Out << " | Attribute::" #X; \
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attrs &= ~Attribute::X;
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HANDLE_ATTR(SExt);
|
|
HANDLE_ATTR(ZExt);
|
|
HANDLE_ATTR(NoReturn);
|
|
HANDLE_ATTR(InReg);
|
|
HANDLE_ATTR(StructRet);
|
|
HANDLE_ATTR(NoUnwind);
|
|
HANDLE_ATTR(NoAlias);
|
|
HANDLE_ATTR(ByVal);
|
|
HANDLE_ATTR(Nest);
|
|
HANDLE_ATTR(ReadNone);
|
|
HANDLE_ATTR(ReadOnly);
|
|
HANDLE_ATTR(NoInline);
|
|
HANDLE_ATTR(AlwaysInline);
|
|
HANDLE_ATTR(OptimizeForSize);
|
|
HANDLE_ATTR(StackProtect);
|
|
HANDLE_ATTR(StackProtectReq);
|
|
HANDLE_ATTR(NoCapture);
|
|
#undef HANDLE_ATTR
|
|
assert(attrs == 0 && "Unhandled attribute!");
|
|
Out << ";";
|
|
nl(Out);
|
|
Out << "Attrs.push_back(PAWI);";
|
|
nl(Out);
|
|
}
|
|
Out << name << "_PAL = AttrListPtr::get(Attrs.begin(), Attrs.end());";
|
|
nl(Out);
|
|
out(); nl(Out);
|
|
Out << '}'; nl(Out);
|
|
}
|
|
}
|
|
|
|
bool CppWriter::printTypeInternal(const Type* Ty) {
|
|
// We don't print definitions for primitive types
|
|
if (Ty->isPrimitiveType() || Ty->isInteger())
|
|
return false;
|
|
|
|
// If we already defined this type, we don't need to define it again.
|
|
if (DefinedTypes.find(Ty) != DefinedTypes.end())
|
|
return false;
|
|
|
|
// Everything below needs the name for the type so get it now.
|
|
std::string typeName(getCppName(Ty));
|
|
|
|
// Search the type stack for recursion. If we find it, then generate this
|
|
// as an OpaqueType, but make sure not to do this multiple times because
|
|
// the type could appear in multiple places on the stack. Once the opaque
|
|
// definition is issued, it must not be re-issued. Consequently we have to
|
|
// check the UnresolvedTypes list as well.
|
|
TypeList::const_iterator TI = std::find(TypeStack.begin(), TypeStack.end(),
|
|
Ty);
|
|
if (TI != TypeStack.end()) {
|
|
TypeMap::const_iterator I = UnresolvedTypes.find(Ty);
|
|
if (I == UnresolvedTypes.end()) {
|
|
Out << "PATypeHolder " << typeName << "_fwd = OpaqueType::get();";
|
|
nl(Out);
|
|
UnresolvedTypes[Ty] = typeName;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
// We're going to print a derived type which, by definition, contains other
|
|
// types. So, push this one we're printing onto the type stack to assist with
|
|
// recursive definitions.
|
|
TypeStack.push_back(Ty);
|
|
|
|
// Print the type definition
|
|
switch (Ty->getTypeID()) {
|
|
case Type::FunctionTyID: {
|
|
const FunctionType* FT = cast<FunctionType>(Ty);
|
|
Out << "std::vector<const Type*>" << typeName << "_args;";
|
|
nl(Out);
|
|
FunctionType::param_iterator PI = FT->param_begin();
|
|
FunctionType::param_iterator PE = FT->param_end();
|
|
for (; PI != PE; ++PI) {
|
|
const Type* argTy = static_cast<const Type*>(*PI);
|
|
bool isForward = printTypeInternal(argTy);
|
|
std::string argName(getCppName(argTy));
|
|
Out << typeName << "_args.push_back(" << argName;
|
|
if (isForward)
|
|
Out << "_fwd";
|
|
Out << ");";
|
|
nl(Out);
|
|
}
|
|
bool isForward = printTypeInternal(FT->getReturnType());
|
|
std::string retTypeName(getCppName(FT->getReturnType()));
|
|
Out << "FunctionType* " << typeName << " = FunctionType::get(";
|
|
in(); nl(Out) << "/*Result=*/" << retTypeName;
|
|
if (isForward)
|
|
Out << "_fwd";
|
|
Out << ",";
|
|
nl(Out) << "/*Params=*/" << typeName << "_args,";
|
|
nl(Out) << "/*isVarArg=*/" << (FT->isVarArg() ? "true" : "false") << ");";
|
|
out();
|
|
nl(Out);
|
|
break;
|
|
}
|
|
case Type::StructTyID: {
|
|
const StructType* ST = cast<StructType>(Ty);
|
|
Out << "std::vector<const Type*>" << typeName << "_fields;";
|
|
nl(Out);
|
|
StructType::element_iterator EI = ST->element_begin();
|
|
StructType::element_iterator EE = ST->element_end();
|
|
for (; EI != EE; ++EI) {
|
|
const Type* fieldTy = static_cast<const Type*>(*EI);
|
|
bool isForward = printTypeInternal(fieldTy);
|
|
std::string fieldName(getCppName(fieldTy));
|
|
Out << typeName << "_fields.push_back(" << fieldName;
|
|
if (isForward)
|
|
Out << "_fwd";
|
|
Out << ");";
|
|
nl(Out);
|
|
}
|
|
Out << "StructType* " << typeName << " = StructType::get("
|
|
<< typeName << "_fields, /*isPacked=*/"
|
|
<< (ST->isPacked() ? "true" : "false") << ");";
|
|
nl(Out);
|
|
break;
|
|
}
|
|
case Type::ArrayTyID: {
|
|
const ArrayType* AT = cast<ArrayType>(Ty);
|
|
const Type* ET = AT->getElementType();
|
|
bool isForward = printTypeInternal(ET);
|
|
std::string elemName(getCppName(ET));
|
|
Out << "ArrayType* " << typeName << " = ArrayType::get("
|
|
<< elemName << (isForward ? "_fwd" : "")
|
|
<< ", " << utostr(AT->getNumElements()) << ");";
|
|
nl(Out);
|
|
break;
|
|
}
|
|
case Type::PointerTyID: {
|
|
const PointerType* PT = cast<PointerType>(Ty);
|
|
const Type* ET = PT->getElementType();
|
|
bool isForward = printTypeInternal(ET);
|
|
std::string elemName(getCppName(ET));
|
|
Out << "PointerType* " << typeName << " = PointerType::get("
|
|
<< elemName << (isForward ? "_fwd" : "")
|
|
<< ", " << utostr(PT->getAddressSpace()) << ");";
|
|
nl(Out);
|
|
break;
|
|
}
|
|
case Type::VectorTyID: {
|
|
const VectorType* PT = cast<VectorType>(Ty);
|
|
const Type* ET = PT->getElementType();
|
|
bool isForward = printTypeInternal(ET);
|
|
std::string elemName(getCppName(ET));
|
|
Out << "VectorType* " << typeName << " = VectorType::get("
|
|
<< elemName << (isForward ? "_fwd" : "")
|
|
<< ", " << utostr(PT->getNumElements()) << ");";
|
|
nl(Out);
|
|
break;
|
|
}
|
|
case Type::OpaqueTyID: {
|
|
Out << "OpaqueType* " << typeName << " = OpaqueType::get();";
|
|
nl(Out);
|
|
break;
|
|
}
|
|
default:
|
|
error("Invalid TypeID");
|
|
}
|
|
|
|
// If the type had a name, make sure we recreate it.
|
|
const std::string* progTypeName =
|
|
findTypeName(TheModule->getTypeSymbolTable(),Ty);
|
|
if (progTypeName) {
|
|
Out << "mod->addTypeName(\"" << *progTypeName << "\", "
|
|
<< typeName << ");";
|
|
nl(Out);
|
|
}
|
|
|
|
// Pop us off the type stack
|
|
TypeStack.pop_back();
|
|
|
|
// Indicate that this type is now defined.
|
|
DefinedTypes.insert(Ty);
|
|
|
|
// Early resolve as many unresolved types as possible. Search the unresolved
|
|
// types map for the type we just printed. Now that its definition is complete
|
|
// we can resolve any previous references to it. This prevents a cascade of
|
|
// unresolved types.
|
|
TypeMap::iterator I = UnresolvedTypes.find(Ty);
|
|
if (I != UnresolvedTypes.end()) {
|
|
Out << "cast<OpaqueType>(" << I->second
|
|
<< "_fwd.get())->refineAbstractTypeTo(" << I->second << ");";
|
|
nl(Out);
|
|
Out << I->second << " = cast<";
|
|
switch (Ty->getTypeID()) {
|
|
case Type::FunctionTyID: Out << "FunctionType"; break;
|
|
case Type::ArrayTyID: Out << "ArrayType"; break;
|
|
case Type::StructTyID: Out << "StructType"; break;
|
|
case Type::VectorTyID: Out << "VectorType"; break;
|
|
case Type::PointerTyID: Out << "PointerType"; break;
|
|
case Type::OpaqueTyID: Out << "OpaqueType"; break;
|
|
default: Out << "NoSuchDerivedType"; break;
|
|
}
|
|
Out << ">(" << I->second << "_fwd.get());";
|
|
nl(Out); nl(Out);
|
|
UnresolvedTypes.erase(I);
|
|
}
|
|
|
|
// Finally, separate the type definition from other with a newline.
|
|
nl(Out);
|
|
|
|
// We weren't a recursive type
|
|
return false;
|
|
}
|
|
|
|
// Prints a type definition. Returns true if it could not resolve all the
|
|
// types in the definition but had to use a forward reference.
|
|
void CppWriter::printType(const Type* Ty) {
|
|
assert(TypeStack.empty());
|
|
TypeStack.clear();
|
|
printTypeInternal(Ty);
|
|
assert(TypeStack.empty());
|
|
}
|
|
|
|
void CppWriter::printTypes(const Module* M) {
|
|
// Walk the symbol table and print out all its types
|
|
const TypeSymbolTable& symtab = M->getTypeSymbolTable();
|
|
for (TypeSymbolTable::const_iterator TI = symtab.begin(), TE = symtab.end();
|
|
TI != TE; ++TI) {
|
|
|
|
// For primitive types and types already defined, just add a name
|
|
TypeMap::const_iterator TNI = TypeNames.find(TI->second);
|
|
if (TI->second->isInteger() || TI->second->isPrimitiveType() ||
|
|
TNI != TypeNames.end()) {
|
|
Out << "mod->addTypeName(\"";
|
|
printEscapedString(TI->first);
|
|
Out << "\", " << getCppName(TI->second) << ");";
|
|
nl(Out);
|
|
// For everything else, define the type
|
|
} else {
|
|
printType(TI->second);
|
|
}
|
|
}
|
|
|
|
// Add all of the global variables to the value table...
|
|
for (Module::const_global_iterator I = TheModule->global_begin(),
|
|
E = TheModule->global_end(); I != E; ++I) {
|
|
if (I->hasInitializer())
|
|
printType(I->getInitializer()->getType());
|
|
printType(I->getType());
|
|
}
|
|
|
|
// Add all the functions to the table
|
|
for (Module::const_iterator FI = TheModule->begin(), FE = TheModule->end();
|
|
FI != FE; ++FI) {
|
|
printType(FI->getReturnType());
|
|
printType(FI->getFunctionType());
|
|
// Add all the function arguments
|
|
for (Function::const_arg_iterator AI = FI->arg_begin(),
|
|
AE = FI->arg_end(); AI != AE; ++AI) {
|
|
printType(AI->getType());
|
|
}
|
|
|
|
// Add all of the basic blocks and instructions
|
|
for (Function::const_iterator BB = FI->begin(),
|
|
E = FI->end(); BB != E; ++BB) {
|
|
printType(BB->getType());
|
|
for (BasicBlock::const_iterator I = BB->begin(), E = BB->end(); I!=E;
|
|
++I) {
|
|
printType(I->getType());
|
|
for (unsigned i = 0; i < I->getNumOperands(); ++i)
|
|
printType(I->getOperand(i)->getType());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// printConstant - Print out a constant pool entry...
|
|
void CppWriter::printConstant(const Constant *CV) {
|
|
// First, if the constant is actually a GlobalValue (variable or function)
|
|
// or its already in the constant list then we've printed it already and we
|
|
// can just return.
|
|
if (isa<GlobalValue>(CV) || ValueNames.find(CV) != ValueNames.end())
|
|
return;
|
|
|
|
std::string constName(getCppName(CV));
|
|
std::string typeName(getCppName(CV->getType()));
|
|
|
|
if (isa<GlobalValue>(CV)) {
|
|
// Skip variables and functions, we emit them elsewhere
|
|
return;
|
|
}
|
|
|
|
if (const ConstantInt *CI = dyn_cast<ConstantInt>(CV)) {
|
|
std::string constValue = CI->getValue().toString(10, true);
|
|
Out << "ConstantInt* " << constName << " = ConstantInt::get(APInt("
|
|
<< cast<IntegerType>(CI->getType())->getBitWidth() << ", \""
|
|
<< constValue << "\", " << constValue.length() << ", 10));";
|
|
} else if (isa<ConstantAggregateZero>(CV)) {
|
|
Out << "ConstantAggregateZero* " << constName
|
|
<< " = ConstantAggregateZero::get(" << typeName << ");";
|
|
} else if (isa<ConstantPointerNull>(CV)) {
|
|
Out << "ConstantPointerNull* " << constName
|
|
<< " = ConstantPointerNull::get(" << typeName << ");";
|
|
} else if (const ConstantFP *CFP = dyn_cast<ConstantFP>(CV)) {
|
|
Out << "ConstantFP* " << constName << " = ";
|
|
printCFP(CFP);
|
|
Out << ";";
|
|
} else if (const ConstantArray *CA = dyn_cast<ConstantArray>(CV)) {
|
|
if (CA->isString() && CA->getType()->getElementType() == Type::Int8Ty) {
|
|
Out << "Constant* " << constName << " = ConstantArray::get(\"";
|
|
std::string tmp = CA->getAsString();
|
|
bool nullTerminate = false;
|
|
if (tmp[tmp.length()-1] == 0) {
|
|
tmp.erase(tmp.length()-1);
|
|
nullTerminate = true;
|
|
}
|
|
printEscapedString(tmp);
|
|
// Determine if we want null termination or not.
|
|
if (nullTerminate)
|
|
Out << "\", true"; // Indicate that the null terminator should be
|
|
// added.
|
|
else
|
|
Out << "\", false";// No null terminator
|
|
Out << ");";
|
|
} else {
|
|
Out << "std::vector<Constant*> " << constName << "_elems;";
|
|
nl(Out);
|
|
unsigned N = CA->getNumOperands();
|
|
for (unsigned i = 0; i < N; ++i) {
|
|
printConstant(CA->getOperand(i)); // recurse to print operands
|
|
Out << constName << "_elems.push_back("
|
|
<< getCppName(CA->getOperand(i)) << ");";
|
|
nl(Out);
|
|
}
|
|
Out << "Constant* " << constName << " = ConstantArray::get("
|
|
<< typeName << ", " << constName << "_elems);";
|
|
}
|
|
} else if (const ConstantStruct *CS = dyn_cast<ConstantStruct>(CV)) {
|
|
Out << "std::vector<Constant*> " << constName << "_fields;";
|
|
nl(Out);
|
|
unsigned N = CS->getNumOperands();
|
|
for (unsigned i = 0; i < N; i++) {
|
|
printConstant(CS->getOperand(i));
|
|
Out << constName << "_fields.push_back("
|
|
<< getCppName(CS->getOperand(i)) << ");";
|
|
nl(Out);
|
|
}
|
|
Out << "Constant* " << constName << " = ConstantStruct::get("
|
|
<< typeName << ", " << constName << "_fields);";
|
|
} else if (const ConstantVector *CP = dyn_cast<ConstantVector>(CV)) {
|
|
Out << "std::vector<Constant*> " << constName << "_elems;";
|
|
nl(Out);
|
|
unsigned N = CP->getNumOperands();
|
|
for (unsigned i = 0; i < N; ++i) {
|
|
printConstant(CP->getOperand(i));
|
|
Out << constName << "_elems.push_back("
|
|
<< getCppName(CP->getOperand(i)) << ");";
|
|
nl(Out);
|
|
}
|
|
Out << "Constant* " << constName << " = ConstantVector::get("
|
|
<< typeName << ", " << constName << "_elems);";
|
|
} else if (isa<UndefValue>(CV)) {
|
|
Out << "UndefValue* " << constName << " = UndefValue::get("
|
|
<< typeName << ");";
|
|
} else if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(CV)) {
|
|
if (CE->getOpcode() == Instruction::GetElementPtr) {
|
|
Out << "std::vector<Constant*> " << constName << "_indices;";
|
|
nl(Out);
|
|
printConstant(CE->getOperand(0));
|
|
for (unsigned i = 1; i < CE->getNumOperands(); ++i ) {
|
|
printConstant(CE->getOperand(i));
|
|
Out << constName << "_indices.push_back("
|
|
<< getCppName(CE->getOperand(i)) << ");";
|
|
nl(Out);
|
|
}
|
|
Out << "Constant* " << constName
|
|
<< " = ConstantExpr::getGetElementPtr("
|
|
<< getCppName(CE->getOperand(0)) << ", "
|
|
<< "&" << constName << "_indices[0], "
|
|
<< constName << "_indices.size()"
|
|
<< " );";
|
|
} else if (CE->isCast()) {
|
|
printConstant(CE->getOperand(0));
|
|
Out << "Constant* " << constName << " = ConstantExpr::getCast(";
|
|
switch (CE->getOpcode()) {
|
|
default: llvm_unreachable("Invalid cast opcode");
|
|
case Instruction::Trunc: Out << "Instruction::Trunc"; break;
|
|
case Instruction::ZExt: Out << "Instruction::ZExt"; break;
|
|
case Instruction::SExt: Out << "Instruction::SExt"; break;
|
|
case Instruction::FPTrunc: Out << "Instruction::FPTrunc"; break;
|
|
case Instruction::FPExt: Out << "Instruction::FPExt"; break;
|
|
case Instruction::FPToUI: Out << "Instruction::FPToUI"; break;
|
|
case Instruction::FPToSI: Out << "Instruction::FPToSI"; break;
|
|
case Instruction::UIToFP: Out << "Instruction::UIToFP"; break;
|
|
case Instruction::SIToFP: Out << "Instruction::SIToFP"; break;
|
|
case Instruction::PtrToInt: Out << "Instruction::PtrToInt"; break;
|
|
case Instruction::IntToPtr: Out << "Instruction::IntToPtr"; break;
|
|
case Instruction::BitCast: Out << "Instruction::BitCast"; break;
|
|
}
|
|
Out << ", " << getCppName(CE->getOperand(0)) << ", "
|
|
<< getCppName(CE->getType()) << ");";
|
|
} else {
|
|
unsigned N = CE->getNumOperands();
|
|
for (unsigned i = 0; i < N; ++i ) {
|
|
printConstant(CE->getOperand(i));
|
|
}
|
|
Out << "Constant* " << constName << " = ConstantExpr::";
|
|
switch (CE->getOpcode()) {
|
|
case Instruction::Add: Out << "getAdd("; break;
|
|
case Instruction::FAdd: Out << "getFAdd("; break;
|
|
case Instruction::Sub: Out << "getSub("; break;
|
|
case Instruction::FSub: Out << "getFSub("; break;
|
|
case Instruction::Mul: Out << "getMul("; break;
|
|
case Instruction::FMul: Out << "getFMul("; break;
|
|
case Instruction::UDiv: Out << "getUDiv("; break;
|
|
case Instruction::SDiv: Out << "getSDiv("; break;
|
|
case Instruction::FDiv: Out << "getFDiv("; break;
|
|
case Instruction::URem: Out << "getURem("; break;
|
|
case Instruction::SRem: Out << "getSRem("; break;
|
|
case Instruction::FRem: Out << "getFRem("; break;
|
|
case Instruction::And: Out << "getAnd("; break;
|
|
case Instruction::Or: Out << "getOr("; break;
|
|
case Instruction::Xor: Out << "getXor("; break;
|
|
case Instruction::ICmp:
|
|
Out << "getICmp(ICmpInst::ICMP_";
|
|
switch (CE->getPredicate()) {
|
|
case ICmpInst::ICMP_EQ: Out << "EQ"; break;
|
|
case ICmpInst::ICMP_NE: Out << "NE"; break;
|
|
case ICmpInst::ICMP_SLT: Out << "SLT"; break;
|
|
case ICmpInst::ICMP_ULT: Out << "ULT"; break;
|
|
case ICmpInst::ICMP_SGT: Out << "SGT"; break;
|
|
case ICmpInst::ICMP_UGT: Out << "UGT"; break;
|
|
case ICmpInst::ICMP_SLE: Out << "SLE"; break;
|
|
case ICmpInst::ICMP_ULE: Out << "ULE"; break;
|
|
case ICmpInst::ICMP_SGE: Out << "SGE"; break;
|
|
case ICmpInst::ICMP_UGE: Out << "UGE"; break;
|
|
default: error("Invalid ICmp Predicate");
|
|
}
|
|
break;
|
|
case Instruction::FCmp:
|
|
Out << "getFCmp(FCmpInst::FCMP_";
|
|
switch (CE->getPredicate()) {
|
|
case FCmpInst::FCMP_FALSE: Out << "FALSE"; break;
|
|
case FCmpInst::FCMP_ORD: Out << "ORD"; break;
|
|
case FCmpInst::FCMP_UNO: Out << "UNO"; break;
|
|
case FCmpInst::FCMP_OEQ: Out << "OEQ"; break;
|
|
case FCmpInst::FCMP_UEQ: Out << "UEQ"; break;
|
|
case FCmpInst::FCMP_ONE: Out << "ONE"; break;
|
|
case FCmpInst::FCMP_UNE: Out << "UNE"; break;
|
|
case FCmpInst::FCMP_OLT: Out << "OLT"; break;
|
|
case FCmpInst::FCMP_ULT: Out << "ULT"; break;
|
|
case FCmpInst::FCMP_OGT: Out << "OGT"; break;
|
|
case FCmpInst::FCMP_UGT: Out << "UGT"; break;
|
|
case FCmpInst::FCMP_OLE: Out << "OLE"; break;
|
|
case FCmpInst::FCMP_ULE: Out << "ULE"; break;
|
|
case FCmpInst::FCMP_OGE: Out << "OGE"; break;
|
|
case FCmpInst::FCMP_UGE: Out << "UGE"; break;
|
|
case FCmpInst::FCMP_TRUE: Out << "TRUE"; break;
|
|
default: error("Invalid FCmp Predicate");
|
|
}
|
|
break;
|
|
case Instruction::Shl: Out << "getShl("; break;
|
|
case Instruction::LShr: Out << "getLShr("; break;
|
|
case Instruction::AShr: Out << "getAShr("; break;
|
|
case Instruction::Select: Out << "getSelect("; break;
|
|
case Instruction::ExtractElement: Out << "getExtractElement("; break;
|
|
case Instruction::InsertElement: Out << "getInsertElement("; break;
|
|
case Instruction::ShuffleVector: Out << "getShuffleVector("; break;
|
|
default:
|
|
error("Invalid constant expression");
|
|
break;
|
|
}
|
|
Out << getCppName(CE->getOperand(0));
|
|
for (unsigned i = 1; i < CE->getNumOperands(); ++i)
|
|
Out << ", " << getCppName(CE->getOperand(i));
|
|
Out << ");";
|
|
}
|
|
} else {
|
|
error("Bad Constant");
|
|
Out << "Constant* " << constName << " = 0; ";
|
|
}
|
|
nl(Out);
|
|
}
|
|
|
|
void CppWriter::printConstants(const Module* M) {
|
|
// Traverse all the global variables looking for constant initializers
|
|
for (Module::const_global_iterator I = TheModule->global_begin(),
|
|
E = TheModule->global_end(); I != E; ++I)
|
|
if (I->hasInitializer())
|
|
printConstant(I->getInitializer());
|
|
|
|
// Traverse the LLVM functions looking for constants
|
|
for (Module::const_iterator FI = TheModule->begin(), FE = TheModule->end();
|
|
FI != FE; ++FI) {
|
|
// Add all of the basic blocks and instructions
|
|
for (Function::const_iterator BB = FI->begin(),
|
|
E = FI->end(); BB != E; ++BB) {
|
|
for (BasicBlock::const_iterator I = BB->begin(), E = BB->end(); I!=E;
|
|
++I) {
|
|
for (unsigned i = 0; i < I->getNumOperands(); ++i) {
|
|
if (Constant* C = dyn_cast<Constant>(I->getOperand(i))) {
|
|
printConstant(C);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void CppWriter::printVariableUses(const GlobalVariable *GV) {
|
|
nl(Out) << "// Type Definitions";
|
|
nl(Out);
|
|
printType(GV->getType());
|
|
if (GV->hasInitializer()) {
|
|
Constant* Init = GV->getInitializer();
|
|
printType(Init->getType());
|
|
if (Function* F = dyn_cast<Function>(Init)) {
|
|
nl(Out)<< "/ Function Declarations"; nl(Out);
|
|
printFunctionHead(F);
|
|
} else if (GlobalVariable* gv = dyn_cast<GlobalVariable>(Init)) {
|
|
nl(Out) << "// Global Variable Declarations"; nl(Out);
|
|
printVariableHead(gv);
|
|
} else {
|
|
nl(Out) << "// Constant Definitions"; nl(Out);
|
|
printConstant(gv);
|
|
}
|
|
if (GlobalVariable* gv = dyn_cast<GlobalVariable>(Init)) {
|
|
nl(Out) << "// Global Variable Definitions"; nl(Out);
|
|
printVariableBody(gv);
|
|
}
|
|
}
|
|
}
|
|
|
|
void CppWriter::printVariableHead(const GlobalVariable *GV) {
|
|
nl(Out) << "GlobalVariable* " << getCppName(GV);
|
|
if (is_inline) {
|
|
Out << " = mod->getGlobalVariable(";
|
|
printEscapedString(GV->getName());
|
|
Out << ", " << getCppName(GV->getType()->getElementType()) << ",true)";
|
|
nl(Out) << "if (!" << getCppName(GV) << ") {";
|
|
in(); nl(Out) << getCppName(GV);
|
|
}
|
|
Out << " = new GlobalVariable(/*Module=*/*mod";
|
|
nl(Out) << "/*Type=*/";
|
|
printCppName(GV->getType()->getElementType());
|
|
Out << ",";
|
|
nl(Out) << "/*isConstant=*/" << (GV->isConstant()?"true":"false");
|
|
Out << ",";
|
|
nl(Out) << "/*Linkage=*/";
|
|
printLinkageType(GV->getLinkage());
|
|
Out << ",";
|
|
nl(Out) << "/*Initializer=*/0, ";
|
|
if (GV->hasInitializer()) {
|
|
Out << "// has initializer, specified below";
|
|
}
|
|
nl(Out) << "/*Name=*/\"";
|
|
printEscapedString(GV->getName());
|
|
Out << "\");";
|
|
nl(Out);
|
|
|
|
if (GV->hasSection()) {
|
|
printCppName(GV);
|
|
Out << "->setSection(\"";
|
|
printEscapedString(GV->getSection());
|
|
Out << "\");";
|
|
nl(Out);
|
|
}
|
|
if (GV->getAlignment()) {
|
|
printCppName(GV);
|
|
Out << "->setAlignment(" << utostr(GV->getAlignment()) << ");";
|
|
nl(Out);
|
|
}
|
|
if (GV->getVisibility() != GlobalValue::DefaultVisibility) {
|
|
printCppName(GV);
|
|
Out << "->setVisibility(";
|
|
printVisibilityType(GV->getVisibility());
|
|
Out << ");";
|
|
nl(Out);
|
|
}
|
|
if (is_inline) {
|
|
out(); Out << "}"; nl(Out);
|
|
}
|
|
}
|
|
|
|
void CppWriter::printVariableBody(const GlobalVariable *GV) {
|
|
if (GV->hasInitializer()) {
|
|
printCppName(GV);
|
|
Out << "->setInitializer(";
|
|
Out << getCppName(GV->getInitializer()) << ");";
|
|
nl(Out);
|
|
}
|
|
}
|
|
|
|
std::string CppWriter::getOpName(Value* V) {
|
|
if (!isa<Instruction>(V) || DefinedValues.find(V) != DefinedValues.end())
|
|
return getCppName(V);
|
|
|
|
// See if its alread in the map of forward references, if so just return the
|
|
// name we already set up for it
|
|
ForwardRefMap::const_iterator I = ForwardRefs.find(V);
|
|
if (I != ForwardRefs.end())
|
|
return I->second;
|
|
|
|
// This is a new forward reference. Generate a unique name for it
|
|
std::string result(std::string("fwdref_") + utostr(uniqueNum++));
|
|
|
|
// Yes, this is a hack. An Argument is the smallest instantiable value that
|
|
// we can make as a placeholder for the real value. We'll replace these
|
|
// Argument instances later.
|
|
Out << "Argument* " << result << " = new Argument("
|
|
<< getCppName(V->getType()) << ");";
|
|
nl(Out);
|
|
ForwardRefs[V] = result;
|
|
return result;
|
|
}
|
|
|
|
// printInstruction - This member is called for each Instruction in a function.
|
|
void CppWriter::printInstruction(const Instruction *I,
|
|
const std::string& bbname) {
|
|
std::string iName(getCppName(I));
|
|
|
|
// Before we emit this instruction, we need to take care of generating any
|
|
// forward references. So, we get the names of all the operands in advance
|
|
std::string* opNames = new std::string[I->getNumOperands()];
|
|
for (unsigned i = 0; i < I->getNumOperands(); i++) {
|
|
opNames[i] = getOpName(I->getOperand(i));
|
|
}
|
|
|
|
switch (I->getOpcode()) {
|
|
default:
|
|
error("Invalid instruction");
|
|
break;
|
|
|
|
case Instruction::Ret: {
|
|
const ReturnInst* ret = cast<ReturnInst>(I);
|
|
Out << "ReturnInst::Create("
|
|
<< (ret->getReturnValue() ? opNames[0] + ", " : "") << bbname << ");";
|
|
break;
|
|
}
|
|
case Instruction::Br: {
|
|
const BranchInst* br = cast<BranchInst>(I);
|
|
Out << "BranchInst::Create(" ;
|
|
if (br->getNumOperands() == 3 ) {
|
|
Out << opNames[2] << ", "
|
|
<< opNames[1] << ", "
|
|
<< opNames[0] << ", ";
|
|
|
|
} else if (br->getNumOperands() == 1) {
|
|
Out << opNames[0] << ", ";
|
|
} else {
|
|
error("Branch with 2 operands?");
|
|
}
|
|
Out << bbname << ");";
|
|
break;
|
|
}
|
|
case Instruction::Switch: {
|
|
const SwitchInst* sw = cast<SwitchInst>(I);
|
|
Out << "SwitchInst* " << iName << " = SwitchInst::Create("
|
|
<< opNames[0] << ", "
|
|
<< opNames[1] << ", "
|
|
<< sw->getNumCases() << ", " << bbname << ");";
|
|
nl(Out);
|
|
for (unsigned i = 2; i < sw->getNumOperands(); i += 2 ) {
|
|
Out << iName << "->addCase("
|
|
<< opNames[i] << ", "
|
|
<< opNames[i+1] << ");";
|
|
nl(Out);
|
|
}
|
|
break;
|
|
}
|
|
case Instruction::Invoke: {
|
|
const InvokeInst* inv = cast<InvokeInst>(I);
|
|
Out << "std::vector<Value*> " << iName << "_params;";
|
|
nl(Out);
|
|
for (unsigned i = 3; i < inv->getNumOperands(); ++i) {
|
|
Out << iName << "_params.push_back("
|
|
<< opNames[i] << ");";
|
|
nl(Out);
|
|
}
|
|
Out << "InvokeInst *" << iName << " = InvokeInst::Create("
|
|
<< opNames[0] << ", "
|
|
<< opNames[1] << ", "
|
|
<< opNames[2] << ", "
|
|
<< iName << "_params.begin(), " << iName << "_params.end(), \"";
|
|
printEscapedString(inv->getName());
|
|
Out << "\", " << bbname << ");";
|
|
nl(Out) << iName << "->setCallingConv(";
|
|
printCallingConv(inv->getCallingConv());
|
|
Out << ");";
|
|
printAttributes(inv->getAttributes(), iName);
|
|
Out << iName << "->setAttributes(" << iName << "_PAL);";
|
|
nl(Out);
|
|
break;
|
|
}
|
|
case Instruction::Unwind: {
|
|
Out << "new UnwindInst("
|
|
<< bbname << ");";
|
|
break;
|
|
}
|
|
case Instruction::Unreachable:{
|
|
Out << "new UnreachableInst("
|
|
<< bbname << ");";
|
|
break;
|
|
}
|
|
case Instruction::Add:
|
|
case Instruction::FAdd:
|
|
case Instruction::Sub:
|
|
case Instruction::FSub:
|
|
case Instruction::Mul:
|
|
case Instruction::FMul:
|
|
case Instruction::UDiv:
|
|
case Instruction::SDiv:
|
|
case Instruction::FDiv:
|
|
case Instruction::URem:
|
|
case Instruction::SRem:
|
|
case Instruction::FRem:
|
|
case Instruction::And:
|
|
case Instruction::Or:
|
|
case Instruction::Xor:
|
|
case Instruction::Shl:
|
|
case Instruction::LShr:
|
|
case Instruction::AShr:{
|
|
Out << "BinaryOperator* " << iName << " = BinaryOperator::Create(";
|
|
switch (I->getOpcode()) {
|
|
case Instruction::Add: Out << "Instruction::Add"; break;
|
|
case Instruction::FAdd: Out << "Instruction::FAdd"; break;
|
|
case Instruction::Sub: Out << "Instruction::Sub"; break;
|
|
case Instruction::FSub: Out << "Instruction::FSub"; break;
|
|
case Instruction::Mul: Out << "Instruction::Mul"; break;
|
|
case Instruction::FMul: Out << "Instruction::FMul"; break;
|
|
case Instruction::UDiv:Out << "Instruction::UDiv"; break;
|
|
case Instruction::SDiv:Out << "Instruction::SDiv"; break;
|
|
case Instruction::FDiv:Out << "Instruction::FDiv"; break;
|
|
case Instruction::URem:Out << "Instruction::URem"; break;
|
|
case Instruction::SRem:Out << "Instruction::SRem"; break;
|
|
case Instruction::FRem:Out << "Instruction::FRem"; break;
|
|
case Instruction::And: Out << "Instruction::And"; break;
|
|
case Instruction::Or: Out << "Instruction::Or"; break;
|
|
case Instruction::Xor: Out << "Instruction::Xor"; break;
|
|
case Instruction::Shl: Out << "Instruction::Shl"; break;
|
|
case Instruction::LShr:Out << "Instruction::LShr"; break;
|
|
case Instruction::AShr:Out << "Instruction::AShr"; break;
|
|
default: Out << "Instruction::BadOpCode"; break;
|
|
}
|
|
Out << ", " << opNames[0] << ", " << opNames[1] << ", \"";
|
|
printEscapedString(I->getName());
|
|
Out << "\", " << bbname << ");";
|
|
break;
|
|
}
|
|
case Instruction::FCmp: {
|
|
Out << "FCmpInst* " << iName << " = new FCmpInst(";
|
|
switch (cast<FCmpInst>(I)->getPredicate()) {
|
|
case FCmpInst::FCMP_FALSE: Out << "FCmpInst::FCMP_FALSE"; break;
|
|
case FCmpInst::FCMP_OEQ : Out << "FCmpInst::FCMP_OEQ"; break;
|
|
case FCmpInst::FCMP_OGT : Out << "FCmpInst::FCMP_OGT"; break;
|
|
case FCmpInst::FCMP_OGE : Out << "FCmpInst::FCMP_OGE"; break;
|
|
case FCmpInst::FCMP_OLT : Out << "FCmpInst::FCMP_OLT"; break;
|
|
case FCmpInst::FCMP_OLE : Out << "FCmpInst::FCMP_OLE"; break;
|
|
case FCmpInst::FCMP_ONE : Out << "FCmpInst::FCMP_ONE"; break;
|
|
case FCmpInst::FCMP_ORD : Out << "FCmpInst::FCMP_ORD"; break;
|
|
case FCmpInst::FCMP_UNO : Out << "FCmpInst::FCMP_UNO"; break;
|
|
case FCmpInst::FCMP_UEQ : Out << "FCmpInst::FCMP_UEQ"; break;
|
|
case FCmpInst::FCMP_UGT : Out << "FCmpInst::FCMP_UGT"; break;
|
|
case FCmpInst::FCMP_UGE : Out << "FCmpInst::FCMP_UGE"; break;
|
|
case FCmpInst::FCMP_ULT : Out << "FCmpInst::FCMP_ULT"; break;
|
|
case FCmpInst::FCMP_ULE : Out << "FCmpInst::FCMP_ULE"; break;
|
|
case FCmpInst::FCMP_UNE : Out << "FCmpInst::FCMP_UNE"; break;
|
|
case FCmpInst::FCMP_TRUE : Out << "FCmpInst::FCMP_TRUE"; break;
|
|
default: Out << "FCmpInst::BAD_ICMP_PREDICATE"; break;
|
|
}
|
|
Out << ", " << opNames[0] << ", " << opNames[1] << ", \"";
|
|
printEscapedString(I->getName());
|
|
Out << "\", " << bbname << ");";
|
|
break;
|
|
}
|
|
case Instruction::ICmp: {
|
|
Out << "ICmpInst* " << iName << " = new ICmpInst(";
|
|
switch (cast<ICmpInst>(I)->getPredicate()) {
|
|
case ICmpInst::ICMP_EQ: Out << "ICmpInst::ICMP_EQ"; break;
|
|
case ICmpInst::ICMP_NE: Out << "ICmpInst::ICMP_NE"; break;
|
|
case ICmpInst::ICMP_ULE: Out << "ICmpInst::ICMP_ULE"; break;
|
|
case ICmpInst::ICMP_SLE: Out << "ICmpInst::ICMP_SLE"; break;
|
|
case ICmpInst::ICMP_UGE: Out << "ICmpInst::ICMP_UGE"; break;
|
|
case ICmpInst::ICMP_SGE: Out << "ICmpInst::ICMP_SGE"; break;
|
|
case ICmpInst::ICMP_ULT: Out << "ICmpInst::ICMP_ULT"; break;
|
|
case ICmpInst::ICMP_SLT: Out << "ICmpInst::ICMP_SLT"; break;
|
|
case ICmpInst::ICMP_UGT: Out << "ICmpInst::ICMP_UGT"; break;
|
|
case ICmpInst::ICMP_SGT: Out << "ICmpInst::ICMP_SGT"; break;
|
|
default: Out << "ICmpInst::BAD_ICMP_PREDICATE"; break;
|
|
}
|
|
Out << ", " << opNames[0] << ", " << opNames[1] << ", \"";
|
|
printEscapedString(I->getName());
|
|
Out << "\", " << bbname << ");";
|
|
break;
|
|
}
|
|
case Instruction::Malloc: {
|
|
const MallocInst* mallocI = cast<MallocInst>(I);
|
|
Out << "MallocInst* " << iName << " = new MallocInst("
|
|
<< getCppName(mallocI->getAllocatedType()) << ", ";
|
|
if (mallocI->isArrayAllocation())
|
|
Out << opNames[0] << ", " ;
|
|
Out << "\"";
|
|
printEscapedString(mallocI->getName());
|
|
Out << "\", " << bbname << ");";
|
|
if (mallocI->getAlignment())
|
|
nl(Out) << iName << "->setAlignment("
|
|
<< mallocI->getAlignment() << ");";
|
|
break;
|
|
}
|
|
case Instruction::Free: {
|
|
Out << "FreeInst* " << iName << " = new FreeInst("
|
|
<< getCppName(I->getOperand(0)) << ", " << bbname << ");";
|
|
break;
|
|
}
|
|
case Instruction::Alloca: {
|
|
const AllocaInst* allocaI = cast<AllocaInst>(I);
|
|
Out << "AllocaInst* " << iName << " = new AllocaInst("
|
|
<< getCppName(allocaI->getAllocatedType()) << ", ";
|
|
if (allocaI->isArrayAllocation())
|
|
Out << opNames[0] << ", ";
|
|
Out << "\"";
|
|
printEscapedString(allocaI->getName());
|
|
Out << "\", " << bbname << ");";
|
|
if (allocaI->getAlignment())
|
|
nl(Out) << iName << "->setAlignment("
|
|
<< allocaI->getAlignment() << ");";
|
|
break;
|
|
}
|
|
case Instruction::Load:{
|
|
const LoadInst* load = cast<LoadInst>(I);
|
|
Out << "LoadInst* " << iName << " = new LoadInst("
|
|
<< opNames[0] << ", \"";
|
|
printEscapedString(load->getName());
|
|
Out << "\", " << (load->isVolatile() ? "true" : "false" )
|
|
<< ", " << bbname << ");";
|
|
break;
|
|
}
|
|
case Instruction::Store: {
|
|
const StoreInst* store = cast<StoreInst>(I);
|
|
Out << " new StoreInst("
|
|
<< opNames[0] << ", "
|
|
<< opNames[1] << ", "
|
|
<< (store->isVolatile() ? "true" : "false")
|
|
<< ", " << bbname << ");";
|
|
break;
|
|
}
|
|
case Instruction::GetElementPtr: {
|
|
const GetElementPtrInst* gep = cast<GetElementPtrInst>(I);
|
|
if (gep->getNumOperands() <= 2) {
|
|
Out << "GetElementPtrInst* " << iName << " = GetElementPtrInst::Create("
|
|
<< opNames[0];
|
|
if (gep->getNumOperands() == 2)
|
|
Out << ", " << opNames[1];
|
|
} else {
|
|
Out << "std::vector<Value*> " << iName << "_indices;";
|
|
nl(Out);
|
|
for (unsigned i = 1; i < gep->getNumOperands(); ++i ) {
|
|
Out << iName << "_indices.push_back("
|
|
<< opNames[i] << ");";
|
|
nl(Out);
|
|
}
|
|
Out << "Instruction* " << iName << " = GetElementPtrInst::Create("
|
|
<< opNames[0] << ", " << iName << "_indices.begin(), "
|
|
<< iName << "_indices.end()";
|
|
}
|
|
Out << ", \"";
|
|
printEscapedString(gep->getName());
|
|
Out << "\", " << bbname << ");";
|
|
break;
|
|
}
|
|
case Instruction::PHI: {
|
|
const PHINode* phi = cast<PHINode>(I);
|
|
|
|
Out << "PHINode* " << iName << " = PHINode::Create("
|
|
<< getCppName(phi->getType()) << ", \"";
|
|
printEscapedString(phi->getName());
|
|
Out << "\", " << bbname << ");";
|
|
nl(Out) << iName << "->reserveOperandSpace("
|
|
<< phi->getNumIncomingValues()
|
|
<< ");";
|
|
nl(Out);
|
|
for (unsigned i = 0; i < phi->getNumOperands(); i+=2) {
|
|
Out << iName << "->addIncoming("
|
|
<< opNames[i] << ", " << opNames[i+1] << ");";
|
|
nl(Out);
|
|
}
|
|
break;
|
|
}
|
|
case Instruction::Trunc:
|
|
case Instruction::ZExt:
|
|
case Instruction::SExt:
|
|
case Instruction::FPTrunc:
|
|
case Instruction::FPExt:
|
|
case Instruction::FPToUI:
|
|
case Instruction::FPToSI:
|
|
case Instruction::UIToFP:
|
|
case Instruction::SIToFP:
|
|
case Instruction::PtrToInt:
|
|
case Instruction::IntToPtr:
|
|
case Instruction::BitCast: {
|
|
const CastInst* cst = cast<CastInst>(I);
|
|
Out << "CastInst* " << iName << " = new ";
|
|
switch (I->getOpcode()) {
|
|
case Instruction::Trunc: Out << "TruncInst"; break;
|
|
case Instruction::ZExt: Out << "ZExtInst"; break;
|
|
case Instruction::SExt: Out << "SExtInst"; break;
|
|
case Instruction::FPTrunc: Out << "FPTruncInst"; break;
|
|
case Instruction::FPExt: Out << "FPExtInst"; break;
|
|
case Instruction::FPToUI: Out << "FPToUIInst"; break;
|
|
case Instruction::FPToSI: Out << "FPToSIInst"; break;
|
|
case Instruction::UIToFP: Out << "UIToFPInst"; break;
|
|
case Instruction::SIToFP: Out << "SIToFPInst"; break;
|
|
case Instruction::PtrToInt: Out << "PtrToIntInst"; break;
|
|
case Instruction::IntToPtr: Out << "IntToPtrInst"; break;
|
|
case Instruction::BitCast: Out << "BitCastInst"; break;
|
|
default: assert(!"Unreachable"); break;
|
|
}
|
|
Out << "(" << opNames[0] << ", "
|
|
<< getCppName(cst->getType()) << ", \"";
|
|
printEscapedString(cst->getName());
|
|
Out << "\", " << bbname << ");";
|
|
break;
|
|
}
|
|
case Instruction::Call:{
|
|
const CallInst* call = cast<CallInst>(I);
|
|
if (const InlineAsm* ila = dyn_cast<InlineAsm>(call->getCalledValue())) {
|
|
Out << "InlineAsm* " << getCppName(ila) << " = InlineAsm::get("
|
|
<< getCppName(ila->getFunctionType()) << ", \""
|
|
<< ila->getAsmString() << "\", \""
|
|
<< ila->getConstraintString() << "\","
|
|
<< (ila->hasSideEffects() ? "true" : "false") << ");";
|
|
nl(Out);
|
|
}
|
|
if (call->getNumOperands() > 2) {
|
|
Out << "std::vector<Value*> " << iName << "_params;";
|
|
nl(Out);
|
|
for (unsigned i = 1; i < call->getNumOperands(); ++i) {
|
|
Out << iName << "_params.push_back(" << opNames[i] << ");";
|
|
nl(Out);
|
|
}
|
|
Out << "CallInst* " << iName << " = CallInst::Create("
|
|
<< opNames[0] << ", " << iName << "_params.begin(), "
|
|
<< iName << "_params.end(), \"";
|
|
} else if (call->getNumOperands() == 2) {
|
|
Out << "CallInst* " << iName << " = CallInst::Create("
|
|
<< opNames[0] << ", " << opNames[1] << ", \"";
|
|
} else {
|
|
Out << "CallInst* " << iName << " = CallInst::Create(" << opNames[0]
|
|
<< ", \"";
|
|
}
|
|
printEscapedString(call->getName());
|
|
Out << "\", " << bbname << ");";
|
|
nl(Out) << iName << "->setCallingConv(";
|
|
printCallingConv(call->getCallingConv());
|
|
Out << ");";
|
|
nl(Out) << iName << "->setTailCall("
|
|
<< (call->isTailCall() ? "true":"false");
|
|
Out << ");";
|
|
printAttributes(call->getAttributes(), iName);
|
|
Out << iName << "->setAttributes(" << iName << "_PAL);";
|
|
nl(Out);
|
|
break;
|
|
}
|
|
case Instruction::Select: {
|
|
const SelectInst* sel = cast<SelectInst>(I);
|
|
Out << "SelectInst* " << getCppName(sel) << " = SelectInst::Create(";
|
|
Out << opNames[0] << ", " << opNames[1] << ", " << opNames[2] << ", \"";
|
|
printEscapedString(sel->getName());
|
|
Out << "\", " << bbname << ");";
|
|
break;
|
|
}
|
|
case Instruction::UserOp1:
|
|
/// FALL THROUGH
|
|
case Instruction::UserOp2: {
|
|
/// FIXME: What should be done here?
|
|
break;
|
|
}
|
|
case Instruction::VAArg: {
|
|
const VAArgInst* va = cast<VAArgInst>(I);
|
|
Out << "VAArgInst* " << getCppName(va) << " = new VAArgInst("
|
|
<< opNames[0] << ", " << getCppName(va->getType()) << ", \"";
|
|
printEscapedString(va->getName());
|
|
Out << "\", " << bbname << ");";
|
|
break;
|
|
}
|
|
case Instruction::ExtractElement: {
|
|
const ExtractElementInst* eei = cast<ExtractElementInst>(I);
|
|
Out << "ExtractElementInst* " << getCppName(eei)
|
|
<< " = new ExtractElementInst(" << opNames[0]
|
|
<< ", " << opNames[1] << ", \"";
|
|
printEscapedString(eei->getName());
|
|
Out << "\", " << bbname << ");";
|
|
break;
|
|
}
|
|
case Instruction::InsertElement: {
|
|
const InsertElementInst* iei = cast<InsertElementInst>(I);
|
|
Out << "InsertElementInst* " << getCppName(iei)
|
|
<< " = InsertElementInst::Create(" << opNames[0]
|
|
<< ", " << opNames[1] << ", " << opNames[2] << ", \"";
|
|
printEscapedString(iei->getName());
|
|
Out << "\", " << bbname << ");";
|
|
break;
|
|
}
|
|
case Instruction::ShuffleVector: {
|
|
const ShuffleVectorInst* svi = cast<ShuffleVectorInst>(I);
|
|
Out << "ShuffleVectorInst* " << getCppName(svi)
|
|
<< " = new ShuffleVectorInst(" << opNames[0]
|
|
<< ", " << opNames[1] << ", " << opNames[2] << ", \"";
|
|
printEscapedString(svi->getName());
|
|
Out << "\", " << bbname << ");";
|
|
break;
|
|
}
|
|
case Instruction::ExtractValue: {
|
|
const ExtractValueInst *evi = cast<ExtractValueInst>(I);
|
|
Out << "std::vector<unsigned> " << iName << "_indices;";
|
|
nl(Out);
|
|
for (unsigned i = 0; i < evi->getNumIndices(); ++i) {
|
|
Out << iName << "_indices.push_back("
|
|
<< evi->idx_begin()[i] << ");";
|
|
nl(Out);
|
|
}
|
|
Out << "ExtractValueInst* " << getCppName(evi)
|
|
<< " = ExtractValueInst::Create(" << opNames[0]
|
|
<< ", "
|
|
<< iName << "_indices.begin(), " << iName << "_indices.end(), \"";
|
|
printEscapedString(evi->getName());
|
|
Out << "\", " << bbname << ");";
|
|
break;
|
|
}
|
|
case Instruction::InsertValue: {
|
|
const InsertValueInst *ivi = cast<InsertValueInst>(I);
|
|
Out << "std::vector<unsigned> " << iName << "_indices;";
|
|
nl(Out);
|
|
for (unsigned i = 0; i < ivi->getNumIndices(); ++i) {
|
|
Out << iName << "_indices.push_back("
|
|
<< ivi->idx_begin()[i] << ");";
|
|
nl(Out);
|
|
}
|
|
Out << "InsertValueInst* " << getCppName(ivi)
|
|
<< " = InsertValueInst::Create(" << opNames[0]
|
|
<< ", " << opNames[1] << ", "
|
|
<< iName << "_indices.begin(), " << iName << "_indices.end(), \"";
|
|
printEscapedString(ivi->getName());
|
|
Out << "\", " << bbname << ");";
|
|
break;
|
|
}
|
|
}
|
|
DefinedValues.insert(I);
|
|
nl(Out);
|
|
delete [] opNames;
|
|
}
|
|
|
|
// Print out the types, constants and declarations needed by one function
|
|
void CppWriter::printFunctionUses(const Function* F) {
|
|
nl(Out) << "// Type Definitions"; nl(Out);
|
|
if (!is_inline) {
|
|
// Print the function's return type
|
|
printType(F->getReturnType());
|
|
|
|
// Print the function's function type
|
|
printType(F->getFunctionType());
|
|
|
|
// Print the types of each of the function's arguments
|
|
for (Function::const_arg_iterator AI = F->arg_begin(), AE = F->arg_end();
|
|
AI != AE; ++AI) {
|
|
printType(AI->getType());
|
|
}
|
|
}
|
|
|
|
// Print type definitions for every type referenced by an instruction and
|
|
// make a note of any global values or constants that are referenced
|
|
SmallPtrSet<GlobalValue*,64> gvs;
|
|
SmallPtrSet<Constant*,64> consts;
|
|
for (Function::const_iterator BB = F->begin(), BE = F->end();
|
|
BB != BE; ++BB){
|
|
for (BasicBlock::const_iterator I = BB->begin(), E = BB->end();
|
|
I != E; ++I) {
|
|
// Print the type of the instruction itself
|
|
printType(I->getType());
|
|
|
|
// Print the type of each of the instruction's operands
|
|
for (unsigned i = 0; i < I->getNumOperands(); ++i) {
|
|
Value* operand = I->getOperand(i);
|
|
printType(operand->getType());
|
|
|
|
// If the operand references a GVal or Constant, make a note of it
|
|
if (GlobalValue* GV = dyn_cast<GlobalValue>(operand)) {
|
|
gvs.insert(GV);
|
|
if (GlobalVariable *GVar = dyn_cast<GlobalVariable>(GV))
|
|
if (GVar->hasInitializer())
|
|
consts.insert(GVar->getInitializer());
|
|
} else if (Constant* C = dyn_cast<Constant>(operand))
|
|
consts.insert(C);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Print the function declarations for any functions encountered
|
|
nl(Out) << "// Function Declarations"; nl(Out);
|
|
for (SmallPtrSet<GlobalValue*,64>::iterator I = gvs.begin(), E = gvs.end();
|
|
I != E; ++I) {
|
|
if (Function* Fun = dyn_cast<Function>(*I)) {
|
|
if (!is_inline || Fun != F)
|
|
printFunctionHead(Fun);
|
|
}
|
|
}
|
|
|
|
// Print the global variable declarations for any variables encountered
|
|
nl(Out) << "// Global Variable Declarations"; nl(Out);
|
|
for (SmallPtrSet<GlobalValue*,64>::iterator I = gvs.begin(), E = gvs.end();
|
|
I != E; ++I) {
|
|
if (GlobalVariable* F = dyn_cast<GlobalVariable>(*I))
|
|
printVariableHead(F);
|
|
}
|
|
|
|
// Print the constants found
|
|
nl(Out) << "// Constant Definitions"; nl(Out);
|
|
for (SmallPtrSet<Constant*,64>::iterator I = consts.begin(),
|
|
E = consts.end(); I != E; ++I) {
|
|
printConstant(*I);
|
|
}
|
|
|
|
// Process the global variables definitions now that all the constants have
|
|
// been emitted. These definitions just couple the gvars with their constant
|
|
// initializers.
|
|
nl(Out) << "// Global Variable Definitions"; nl(Out);
|
|
for (SmallPtrSet<GlobalValue*,64>::iterator I = gvs.begin(), E = gvs.end();
|
|
I != E; ++I) {
|
|
if (GlobalVariable* GV = dyn_cast<GlobalVariable>(*I))
|
|
printVariableBody(GV);
|
|
}
|
|
}
|
|
|
|
void CppWriter::printFunctionHead(const Function* F) {
|
|
nl(Out) << "Function* " << getCppName(F);
|
|
if (is_inline) {
|
|
Out << " = mod->getFunction(\"";
|
|
printEscapedString(F->getName());
|
|
Out << "\", " << getCppName(F->getFunctionType()) << ");";
|
|
nl(Out) << "if (!" << getCppName(F) << ") {";
|
|
nl(Out) << getCppName(F);
|
|
}
|
|
Out<< " = Function::Create(";
|
|
nl(Out,1) << "/*Type=*/" << getCppName(F->getFunctionType()) << ",";
|
|
nl(Out) << "/*Linkage=*/";
|
|
printLinkageType(F->getLinkage());
|
|
Out << ",";
|
|
nl(Out) << "/*Name=*/\"";
|
|
printEscapedString(F->getName());
|
|
Out << "\", mod); " << (F->isDeclaration()? "// (external, no body)" : "");
|
|
nl(Out,-1);
|
|
printCppName(F);
|
|
Out << "->setCallingConv(";
|
|
printCallingConv(F->getCallingConv());
|
|
Out << ");";
|
|
nl(Out);
|
|
if (F->hasSection()) {
|
|
printCppName(F);
|
|
Out << "->setSection(\"" << F->getSection() << "\");";
|
|
nl(Out);
|
|
}
|
|
if (F->getAlignment()) {
|
|
printCppName(F);
|
|
Out << "->setAlignment(" << F->getAlignment() << ");";
|
|
nl(Out);
|
|
}
|
|
if (F->getVisibility() != GlobalValue::DefaultVisibility) {
|
|
printCppName(F);
|
|
Out << "->setVisibility(";
|
|
printVisibilityType(F->getVisibility());
|
|
Out << ");";
|
|
nl(Out);
|
|
}
|
|
if (F->hasGC()) {
|
|
printCppName(F);
|
|
Out << "->setGC(\"" << F->getGC() << "\");";
|
|
nl(Out);
|
|
}
|
|
if (is_inline) {
|
|
Out << "}";
|
|
nl(Out);
|
|
}
|
|
printAttributes(F->getAttributes(), getCppName(F));
|
|
printCppName(F);
|
|
Out << "->setAttributes(" << getCppName(F) << "_PAL);";
|
|
nl(Out);
|
|
}
|
|
|
|
void CppWriter::printFunctionBody(const Function *F) {
|
|
if (F->isDeclaration())
|
|
return; // external functions have no bodies.
|
|
|
|
// Clear the DefinedValues and ForwardRefs maps because we can't have
|
|
// cross-function forward refs
|
|
ForwardRefs.clear();
|
|
DefinedValues.clear();
|
|
|
|
// Create all the argument values
|
|
if (!is_inline) {
|
|
if (!F->arg_empty()) {
|
|
Out << "Function::arg_iterator args = " << getCppName(F)
|
|
<< "->arg_begin();";
|
|
nl(Out);
|
|
}
|
|
for (Function::const_arg_iterator AI = F->arg_begin(), AE = F->arg_end();
|
|
AI != AE; ++AI) {
|
|
Out << "Value* " << getCppName(AI) << " = args++;";
|
|
nl(Out);
|
|
if (AI->hasName()) {
|
|
Out << getCppName(AI) << "->setName(\"" << AI->getName() << "\");";
|
|
nl(Out);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Create all the basic blocks
|
|
nl(Out);
|
|
for (Function::const_iterator BI = F->begin(), BE = F->end();
|
|
BI != BE; ++BI) {
|
|
std::string bbname(getCppName(BI));
|
|
Out << "BasicBlock* " << bbname << " = BasicBlock::Create(\"";
|
|
if (BI->hasName())
|
|
printEscapedString(BI->getName());
|
|
Out << "\"," << getCppName(BI->getParent()) << ",0);";
|
|
nl(Out);
|
|
}
|
|
|
|
// Output all of its basic blocks... for the function
|
|
for (Function::const_iterator BI = F->begin(), BE = F->end();
|
|
BI != BE; ++BI) {
|
|
std::string bbname(getCppName(BI));
|
|
nl(Out) << "// Block " << BI->getName() << " (" << bbname << ")";
|
|
nl(Out);
|
|
|
|
// Output all of the instructions in the basic block...
|
|
for (BasicBlock::const_iterator I = BI->begin(), E = BI->end();
|
|
I != E; ++I) {
|
|
printInstruction(I,bbname);
|
|
}
|
|
}
|
|
|
|
// Loop over the ForwardRefs and resolve them now that all instructions
|
|
// are generated.
|
|
if (!ForwardRefs.empty()) {
|
|
nl(Out) << "// Resolve Forward References";
|
|
nl(Out);
|
|
}
|
|
|
|
while (!ForwardRefs.empty()) {
|
|
ForwardRefMap::iterator I = ForwardRefs.begin();
|
|
Out << I->second << "->replaceAllUsesWith("
|
|
<< getCppName(I->first) << "); delete " << I->second << ";";
|
|
nl(Out);
|
|
ForwardRefs.erase(I);
|
|
}
|
|
}
|
|
|
|
void CppWriter::printInline(const std::string& fname,
|
|
const std::string& func) {
|
|
const Function* F = TheModule->getFunction(func);
|
|
if (!F) {
|
|
error(std::string("Function '") + func + "' not found in input module");
|
|
return;
|
|
}
|
|
if (F->isDeclaration()) {
|
|
error(std::string("Function '") + func + "' is external!");
|
|
return;
|
|
}
|
|
nl(Out) << "BasicBlock* " << fname << "(Module* mod, Function *"
|
|
<< getCppName(F);
|
|
unsigned arg_count = 1;
|
|
for (Function::const_arg_iterator AI = F->arg_begin(), AE = F->arg_end();
|
|
AI != AE; ++AI) {
|
|
Out << ", Value* arg_" << arg_count;
|
|
}
|
|
Out << ") {";
|
|
nl(Out);
|
|
is_inline = true;
|
|
printFunctionUses(F);
|
|
printFunctionBody(F);
|
|
is_inline = false;
|
|
Out << "return " << getCppName(F->begin()) << ";";
|
|
nl(Out) << "}";
|
|
nl(Out);
|
|
}
|
|
|
|
void CppWriter::printModuleBody() {
|
|
// Print out all the type definitions
|
|
nl(Out) << "// Type Definitions"; nl(Out);
|
|
printTypes(TheModule);
|
|
|
|
// Functions can call each other and global variables can reference them so
|
|
// define all the functions first before emitting their function bodies.
|
|
nl(Out) << "// Function Declarations"; nl(Out);
|
|
for (Module::const_iterator I = TheModule->begin(), E = TheModule->end();
|
|
I != E; ++I)
|
|
printFunctionHead(I);
|
|
|
|
// Process the global variables declarations. We can't initialze them until
|
|
// after the constants are printed so just print a header for each global
|
|
nl(Out) << "// Global Variable Declarations\n"; nl(Out);
|
|
for (Module::const_global_iterator I = TheModule->global_begin(),
|
|
E = TheModule->global_end(); I != E; ++I) {
|
|
printVariableHead(I);
|
|
}
|
|
|
|
// Print out all the constants definitions. Constants don't recurse except
|
|
// through GlobalValues. All GlobalValues have been declared at this point
|
|
// so we can proceed to generate the constants.
|
|
nl(Out) << "// Constant Definitions"; nl(Out);
|
|
printConstants(TheModule);
|
|
|
|
// Process the global variables definitions now that all the constants have
|
|
// been emitted. These definitions just couple the gvars with their constant
|
|
// initializers.
|
|
nl(Out) << "// Global Variable Definitions"; nl(Out);
|
|
for (Module::const_global_iterator I = TheModule->global_begin(),
|
|
E = TheModule->global_end(); I != E; ++I) {
|
|
printVariableBody(I);
|
|
}
|
|
|
|
// Finally, we can safely put out all of the function bodies.
|
|
nl(Out) << "// Function Definitions"; nl(Out);
|
|
for (Module::const_iterator I = TheModule->begin(), E = TheModule->end();
|
|
I != E; ++I) {
|
|
if (!I->isDeclaration()) {
|
|
nl(Out) << "// Function: " << I->getName() << " (" << getCppName(I)
|
|
<< ")";
|
|
nl(Out) << "{";
|
|
nl(Out,1);
|
|
printFunctionBody(I);
|
|
nl(Out,-1) << "}";
|
|
nl(Out);
|
|
}
|
|
}
|
|
}
|
|
|
|
void CppWriter::printProgram(const std::string& fname,
|
|
const std::string& mName) {
|
|
Out << "#include <llvm/Module.h>\n";
|
|
Out << "#include <llvm/DerivedTypes.h>\n";
|
|
Out << "#include <llvm/Constants.h>\n";
|
|
Out << "#include <llvm/GlobalVariable.h>\n";
|
|
Out << "#include <llvm/Function.h>\n";
|
|
Out << "#include <llvm/CallingConv.h>\n";
|
|
Out << "#include <llvm/BasicBlock.h>\n";
|
|
Out << "#include <llvm/Instructions.h>\n";
|
|
Out << "#include <llvm/InlineAsm.h>\n";
|
|
Out << "#include <llvm/Support/FormattedStream.h>\n";
|
|
Out << "#include <llvm/Support/MathExtras.h>\n";
|
|
Out << "#include <llvm/Pass.h>\n";
|
|
Out << "#include <llvm/PassManager.h>\n";
|
|
Out << "#include <llvm/ADT/SmallVector.h>\n";
|
|
Out << "#include <llvm/Analysis/Verifier.h>\n";
|
|
Out << "#include <llvm/Assembly/PrintModulePass.h>\n";
|
|
Out << "#include <algorithm>\n";
|
|
Out << "using namespace llvm;\n\n";
|
|
Out << "Module* " << fname << "();\n\n";
|
|
Out << "int main(int argc, char**argv) {\n";
|
|
Out << " Module* Mod = " << fname << "();\n";
|
|
Out << " verifyModule(*Mod, PrintMessageAction);\n";
|
|
Out << " outs().flush();\n";
|
|
Out << " PassManager PM;\n";
|
|
Out << " PM.add(createPrintModulePass(&outs()));\n";
|
|
Out << " PM.run(*Mod);\n";
|
|
Out << " return 0;\n";
|
|
Out << "}\n\n";
|
|
printModule(fname,mName);
|
|
}
|
|
|
|
void CppWriter::printModule(const std::string& fname,
|
|
const std::string& mName) {
|
|
nl(Out) << "Module* " << fname << "() {";
|
|
nl(Out,1) << "// Module Construction";
|
|
nl(Out) << "Module* mod = new Module(\"";
|
|
printEscapedString(mName);
|
|
Out << "\");";
|
|
if (!TheModule->getTargetTriple().empty()) {
|
|
nl(Out) << "mod->setDataLayout(\"" << TheModule->getDataLayout() << "\");";
|
|
}
|
|
if (!TheModule->getTargetTriple().empty()) {
|
|
nl(Out) << "mod->setTargetTriple(\"" << TheModule->getTargetTriple()
|
|
<< "\");";
|
|
}
|
|
|
|
if (!TheModule->getModuleInlineAsm().empty()) {
|
|
nl(Out) << "mod->setModuleInlineAsm(\"";
|
|
printEscapedString(TheModule->getModuleInlineAsm());
|
|
Out << "\");";
|
|
}
|
|
nl(Out);
|
|
|
|
// Loop over the dependent libraries and emit them.
|
|
Module::lib_iterator LI = TheModule->lib_begin();
|
|
Module::lib_iterator LE = TheModule->lib_end();
|
|
while (LI != LE) {
|
|
Out << "mod->addLibrary(\"" << *LI << "\");";
|
|
nl(Out);
|
|
++LI;
|
|
}
|
|
printModuleBody();
|
|
nl(Out) << "return mod;";
|
|
nl(Out,-1) << "}";
|
|
nl(Out);
|
|
}
|
|
|
|
void CppWriter::printContents(const std::string& fname,
|
|
const std::string& mName) {
|
|
Out << "\nModule* " << fname << "(Module *mod) {\n";
|
|
Out << "\nmod->setModuleIdentifier(\"";
|
|
printEscapedString(mName);
|
|
Out << "\");\n";
|
|
printModuleBody();
|
|
Out << "\nreturn mod;\n";
|
|
Out << "\n}\n";
|
|
}
|
|
|
|
void CppWriter::printFunction(const std::string& fname,
|
|
const std::string& funcName) {
|
|
const Function* F = TheModule->getFunction(funcName);
|
|
if (!F) {
|
|
error(std::string("Function '") + funcName + "' not found in input module");
|
|
return;
|
|
}
|
|
Out << "\nFunction* " << fname << "(Module *mod) {\n";
|
|
printFunctionUses(F);
|
|
printFunctionHead(F);
|
|
printFunctionBody(F);
|
|
Out << "return " << getCppName(F) << ";\n";
|
|
Out << "}\n";
|
|
}
|
|
|
|
void CppWriter::printFunctions() {
|
|
const Module::FunctionListType &funcs = TheModule->getFunctionList();
|
|
Module::const_iterator I = funcs.begin();
|
|
Module::const_iterator IE = funcs.end();
|
|
|
|
for (; I != IE; ++I) {
|
|
const Function &func = *I;
|
|
if (!func.isDeclaration()) {
|
|
std::string name("define_");
|
|
name += func.getName();
|
|
printFunction(name, func.getName());
|
|
}
|
|
}
|
|
}
|
|
|
|
void CppWriter::printVariable(const std::string& fname,
|
|
const std::string& varName) {
|
|
const GlobalVariable* GV = TheModule->getNamedGlobal(varName);
|
|
|
|
if (!GV) {
|
|
error(std::string("Variable '") + varName + "' not found in input module");
|
|
return;
|
|
}
|
|
Out << "\nGlobalVariable* " << fname << "(Module *mod) {\n";
|
|
printVariableUses(GV);
|
|
printVariableHead(GV);
|
|
printVariableBody(GV);
|
|
Out << "return " << getCppName(GV) << ";\n";
|
|
Out << "}\n";
|
|
}
|
|
|
|
void CppWriter::printType(const std::string& fname,
|
|
const std::string& typeName) {
|
|
const Type* Ty = TheModule->getTypeByName(typeName);
|
|
if (!Ty) {
|
|
error(std::string("Type '") + typeName + "' not found in input module");
|
|
return;
|
|
}
|
|
Out << "\nType* " << fname << "(Module *mod) {\n";
|
|
printType(Ty);
|
|
Out << "return " << getCppName(Ty) << ";\n";
|
|
Out << "}\n";
|
|
}
|
|
|
|
bool CppWriter::runOnModule(Module &M) {
|
|
TheModule = &M;
|
|
|
|
// Emit a header
|
|
Out << "// Generated by llvm2cpp - DO NOT MODIFY!\n\n";
|
|
|
|
// Get the name of the function we're supposed to generate
|
|
std::string fname = FuncName.getValue();
|
|
|
|
// Get the name of the thing we are to generate
|
|
std::string tgtname = NameToGenerate.getValue();
|
|
if (GenerationType == GenModule ||
|
|
GenerationType == GenContents ||
|
|
GenerationType == GenProgram ||
|
|
GenerationType == GenFunctions) {
|
|
if (tgtname == "!bad!") {
|
|
if (M.getModuleIdentifier() == "-")
|
|
tgtname = "<stdin>";
|
|
else
|
|
tgtname = M.getModuleIdentifier();
|
|
}
|
|
} else if (tgtname == "!bad!")
|
|
error("You must use the -for option with -gen-{function,variable,type}");
|
|
|
|
switch (WhatToGenerate(GenerationType)) {
|
|
case GenProgram:
|
|
if (fname.empty())
|
|
fname = "makeLLVMModule";
|
|
printProgram(fname,tgtname);
|
|
break;
|
|
case GenModule:
|
|
if (fname.empty())
|
|
fname = "makeLLVMModule";
|
|
printModule(fname,tgtname);
|
|
break;
|
|
case GenContents:
|
|
if (fname.empty())
|
|
fname = "makeLLVMModuleContents";
|
|
printContents(fname,tgtname);
|
|
break;
|
|
case GenFunction:
|
|
if (fname.empty())
|
|
fname = "makeLLVMFunction";
|
|
printFunction(fname,tgtname);
|
|
break;
|
|
case GenFunctions:
|
|
printFunctions();
|
|
break;
|
|
case GenInline:
|
|
if (fname.empty())
|
|
fname = "makeLLVMInline";
|
|
printInline(fname,tgtname);
|
|
break;
|
|
case GenVariable:
|
|
if (fname.empty())
|
|
fname = "makeLLVMVariable";
|
|
printVariable(fname,tgtname);
|
|
break;
|
|
case GenType:
|
|
if (fname.empty())
|
|
fname = "makeLLVMType";
|
|
printType(fname,tgtname);
|
|
break;
|
|
default:
|
|
error("Invalid generation option");
|
|
}
|
|
|
|
return false;
|
|
}
|
|
}
|
|
|
|
char CppWriter::ID = 0;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// External Interface declaration
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
bool CPPTargetMachine::addPassesToEmitWholeFile(PassManager &PM,
|
|
formatted_raw_ostream &o,
|
|
CodeGenFileType FileType,
|
|
CodeGenOpt::Level OptLevel) {
|
|
if (FileType != TargetMachine::AssemblyFile) return true;
|
|
PM.add(new CppWriter(o));
|
|
return false;
|
|
}
|