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/LLVMContext.h"
20 #include "llvm/ADT/StringMap.h"
21 #include "llvm/ADT/SmallVector.h"
27 // C++ class which implements the opaque lto_code_gen_t
30 struct LTOCodeGenerator {
31 static const char* getVersionString();
36 bool addModule(struct LTOModule*, std::string& errMsg);
37 bool setDebugInfo(lto_debug_model, std::string& errMsg);
38 bool setCodePICModel(lto_codegen_model, std::string& errMsg);
39 void setCpu(const char *cpu);
40 void addMustPreserveSymbol(const char* sym);
41 bool writeMergedModules(const char* path,
43 const void* compile(size_t* length, std::string& errMsg);
44 void setCodeGenDebugOptions(const char *opts);
46 bool generateObjectFile(llvm::raw_ostream& out,
48 void applyScopeRestrictions();
49 bool determineTarget(std::string& errMsg);
51 typedef llvm::StringMap<uint8_t> StringSet;
53 llvm::LLVMContext& _context;
55 llvm::TargetMachine* _target;
56 bool _emitDwarfDebugInfo;
57 bool _scopeRestrictionsDone;
58 lto_codegen_model _codeModel;
59 StringSet _mustPreserveSymbols;
60 llvm::MemoryBuffer* _nativeObjectFile;
61 std::vector<const char*> _codegenOptions;
65 #endif // LTO_CODE_GENERATOR_H