1 //===-LTOCodeGenerator.h - LLVM Link Time Optimizer -----------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file declares the LTOCodeGenerator class.
12 //===----------------------------------------------------------------------===//
15 #ifndef LTO_CODE_GENERATOR_H
16 #define LTO_CODE_GENERATOR_H
18 #include "llvm/Linker.h"
19 #include "llvm/ADT/StringMap.h"
25 // C++ class which implements the opaque lto_code_gen_t
27 class LTOCodeGenerator {
29 static const char* getVersionString();
34 bool addModule(class LTOModule*, std::string& errMsg);
35 bool setDebugInfo(lto_debug_model, std::string& errMsg);
36 bool setCodePICModel(lto_codegen_model, std::string& errMsg);
37 void addMustPreserveSymbol(const char* sym);
38 bool writeMergedModules(const char* path,
40 const void* compile(size_t* length, std::string& errMsg);
43 bool generateAssemblyCode(std::ostream& out,
45 bool assemble(const std::string& asmPath,
46 const std::string& objPath, std::string& errMsg);
47 void applyScopeRestrictions();
48 bool determineTarget(std::string& errMsg);
50 typedef llvm::StringMap<uint8_t> StringSet;
53 llvm::TargetMachine* _target;
54 bool _emitDwarfDebugInfo;
55 bool _scopeRestrictionsDone;
56 lto_codegen_model _codeModel;
57 StringSet _mustPreserveSymbols;
58 llvm::MemoryBuffer* _nativeObjectFile;
61 #endif // LTO_CODE_GENERATOR_H