static const char *getVersionString();
LTOCodeGenerator();
+ LTOCodeGenerator(std::unique_ptr<LLVMContext> Context);
~LTOCodeGenerator();
// Merge given module, return true on success.
- bool addModule(struct LTOModule*, std::string &errMsg);
+ bool addModule(struct LTOModule *);
+
+ // Set the destination module.
+ void setModule(struct LTOModule *);
void setTargetOptions(TargetOptions options);
void setDebugInfo(lto_debug_model);
void setCpu(const char *mCpu) { MCpu = mCpu; }
void setAttr(const char *mAttr) { MAttr = mAttr; }
+ void setOptLevel(unsigned optLevel) { OptLevel = optLevel; }
void addMustPreserveSymbol(const char *sym) { MustPreserveSymbols[sym] = 1; }
// Do not try to remove the object file in LTOCodeGenerator's destructor
// as we don't who (LTOCodeGenerator or the obj file) will last longer.
bool compile_to_file(const char **name,
- bool disableOpt,
bool disableInline,
bool disableGVNLoadPRE,
+ bool disableVectorization,
std::string &errMsg);
// As with compile_to_file(), this function compiles the merged module into
// caller. This function should delete intermediate object file once its content
// is brought to memory. Return NULL if the compilation was not successful.
const void *compile(size_t *length,
- bool disableOpt,
bool disableInline,
bool disableGVNLoadPRE,
+ bool disableVectorization,
std::string &errMsg);
+ // Optimizes the merged module. Returns true on success.
+ bool optimize(bool disableInline,
+ bool disableGVNLoadPRE,
+ bool disableVectorization,
+ std::string &errMsg);
+
+ // Compiles the merged optimized module into a single object file. It brings
+ // the object to a buffer, and returns the buffer to the caller. Return NULL
+ // if the compilation was not successful.
+ const void *compileOptimized(size_t *length, std::string &errMsg);
+
void setDiagnosticHandler(lto_diagnostic_handler_t, void *);
+ LLVMContext &getContext() { return Context; }
+
private:
void initializeLTOPasses();
- bool generateObjectFile(raw_ostream &out, bool disableOpt, bool disableInline,
- bool disableGVNLoadPRE, std::string &errMsg);
+ bool compileOptimized(raw_ostream &out, std::string &errMsg);
+ bool compileOptimizedToFile(const char **name, std::string &errMsg);
void applyScopeRestrictions();
void applyRestriction(GlobalValue &GV, ArrayRef<StringRef> Libcalls,
std::vector<const char *> &MustPreserveList,
typedef StringMap<uint8_t> StringSet;
+ void initialize();
+ void destroyMergedModule();
+ std::unique_ptr<LLVMContext> OwnedContext;
LLVMContext &Context;
Linker IRLinker;
TargetMachine *TargetMach;
std::string MAttr;
std::string NativeObjectPath;
TargetOptions Options;
+ unsigned OptLevel;
lto_diagnostic_handler_t DiagHandler;
void *DiagContext;
+ LTOModule *OwnedModule;
};
}
#endif