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71 lines
2.6 KiB
C++
71 lines
2.6 KiB
C++
//===-LTOCodeGenerator.h - LLVM Link Time Optimizer -----------------------===//
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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 declares the LTOCodeGenerator class.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LTO_CODE_GENERATOR_H
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#define LTO_CODE_GENERATOR_H
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#include "llvm/Linker.h"
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#include "llvm/LLVMContext.h"
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#include "llvm/ADT/StringMap.h"
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#include "llvm/ADT/SmallVector.h"
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#include <string>
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//
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// C++ class which implements the opaque lto_code_gen_t
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//
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struct LTOCodeGenerator {
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static const char* getVersionString();
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LTOCodeGenerator();
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~LTOCodeGenerator();
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bool addModule(struct LTOModule*, std::string& errMsg);
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bool setDebugInfo(lto_debug_model, std::string& errMsg);
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bool setCodePICModel(lto_codegen_model, std::string& errMsg);
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void setAssemblerPath(const char* path);
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void setAssemblerArgs(const char** args, int nargs);
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void addMustPreserveSymbol(const char* sym);
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bool writeMergedModules(const char* path,
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std::string& errMsg);
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const void* compile(size_t* length, std::string& errMsg);
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void setCodeGenDebugOptions(const char *opts);
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private:
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bool generateAssemblyCode(llvm::formatted_raw_ostream& out,
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std::string& errMsg);
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bool assemble(const std::string& asmPath,
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const std::string& objPath, std::string& errMsg);
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void applyScopeRestrictions();
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bool determineTarget(std::string& errMsg);
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typedef llvm::StringMap<uint8_t> StringSet;
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llvm::LLVMContext& _context;
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llvm::Linker _linker;
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llvm::TargetMachine* _target;
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bool _emitDwarfDebugInfo;
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bool _scopeRestrictionsDone;
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lto_codegen_model _codeModel;
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StringSet _mustPreserveSymbols;
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llvm::MemoryBuffer* _nativeObjectFile;
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std::vector<const char*> _codegenOptions;
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llvm::sys::Path* _assemblerPath;
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std::vector<std::string> _assemblerArgs;
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};
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#endif // LTO_CODE_GENERATOR_H
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