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//===-LTOCodeGenerator.h - LLVM Link Time Optimizer -----------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file declares the LTOCodeGenerator class.
//
//===----------------------------------------------------------------------===//
#ifndef LTO_CODE_GENERATOR_H
#define LTO_CODE_GENERATOR_H
#include "llvm/Linker.h"
#include "llvm/LLVMContext.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/ADT/SmallVector.h"
#include <string>
//
// C++ class which implements the opaque lto_code_gen_t
//
struct LTOCodeGenerator {
static const char* getVersionString();
LTOCodeGenerator();
~LTOCodeGenerator();
bool addModule(struct LTOModule*, std::string& errMsg);
bool setDebugInfo(lto_debug_model, std::string& errMsg);
bool setCodePICModel(lto_codegen_model, std::string& errMsg);
void setCpu(const char *cpu);
void addMustPreserveSymbol(const char* sym);
bool writeMergedModules(const char* path,
std::string& errMsg);
const void* compile(size_t* length, std::string& errMsg);
void setCodeGenDebugOptions(const char *opts);
private:
bool generateObjectFile(llvm::raw_ostream& out,
std::string& errMsg);
void applyScopeRestrictions();
bool determineTarget(std::string& errMsg);
typedef llvm::StringMap<uint8_t> StringSet;
llvm::LLVMContext& _context;
llvm::Linker _linker;
llvm::TargetMachine* _target;
bool _emitDwarfDebugInfo;
bool _scopeRestrictionsDone;
lto_codegen_model _codeModel;
StringSet _mustPreserveSymbols;
llvm::MemoryBuffer* _nativeObjectFile;
std::vector<const char*> _codegenOptions;
std::string _mCpu;
};
#endif // LTO_CODE_GENERATOR_H
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