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"
20 #include "llvm/ADT/SmallVector.h"
26 // C++ class which implements the opaque lto_code_gen_t
28 class LTOCodeGenerator {
30 static const char* getVersionString();
35 bool addModule(class LTOModule*, std::string& errMsg);
36 bool setDebugInfo(lto_debug_model, std::string& errMsg);
37 bool setCodePICModel(lto_codegen_model, std::string& errMsg);
38 void addMustPreserveSymbol(const char* sym);
39 bool writeMergedModules(const char* path,
41 const void* compile(size_t* length, std::string& errMsg);
42 void setCodeGenDebugOptions(const char *opts) {
43 _codegenOptions.push_back(std::string(opts));
46 bool generateAssemblyCode(std::ostream& out,
48 bool assemble(const std::string& asmPath,
49 const std::string& objPath, std::string& errMsg);
50 void applyScopeRestrictions();
51 bool determineTarget(std::string& errMsg);
53 typedef llvm::StringMap<uint8_t> StringSet;
56 llvm::TargetMachine* _target;
57 bool _emitDwarfDebugInfo;
58 bool _scopeRestrictionsDone;
59 lto_codegen_model _codeModel;
60 StringSet _mustPreserveSymbols;
61 llvm::MemoryBuffer* _nativeObjectFile;
62 llvm::SmallVector<std::string, 4> _codegenOptions;
65 #endif // LTO_CODE_GENERATOR_H