LTOCodeGenerator(std::unique_ptr<LLVMContext> Context);
~LTOCodeGenerator();
- // Merge given module, return true on success.
+ /// Merge given module. Return true on success.
bool addModule(struct LTOModule *);
- // Set the destination module.
- void setModule(struct LTOModule *);
+ /// Set the destination module.
+ void setModule(std::unique_ptr<LTOModule> M);
- void setTargetOptions(TargetOptions options);
+ void setTargetOptions(TargetOptions Options);
void setDebugInfo(lto_debug_model);
- void setCodePICModel(lto_codegen_model);
+ void setCodePICModel(Reloc::Model Model) { RelocModel = Model; }
- void setCpu(const char *mCpu) { MCpu = mCpu; }
- void setAttr(const char *mAttr) { MAttr = mAttr; }
- void setOptLevel(unsigned optLevel) { OptLevel = optLevel; }
+ void setCpu(const char *MCpu) { this->MCpu = MCpu; }
+ void setAttr(const char *MAttr) { this->MAttr = MAttr; }
+ void setOptLevel(unsigned OptLevel);
void setShouldInternalize(bool Value) { ShouldInternalize = Value; }
void setShouldEmbedUselists(bool Value) { ShouldEmbedUselists = Value; }
- void addMustPreserveSymbol(StringRef sym) { MustPreserveSymbols[sym] = 1; }
-
- // To pass options to the driver and optimization passes. These options are
- // not necessarily for debugging purpose (The function name is misleading).
- // This function should be called before LTOCodeGenerator::compilexxx(),
- // and LTOCodeGenerator::writeMergedModules().
- void setCodeGenDebugOptions(const char *opts);
-
- // Parse the options set in setCodeGenDebugOptions. Like
- // setCodeGenDebugOptions, this must be called before
- // LTOCodeGenerator::compilexxx() and LTOCodeGenerator::writeMergedModules()
+ void addMustPreserveSymbol(StringRef Sym) { MustPreserveSymbols[Sym] = 1; }
+
+ /// Pass options to the driver and optimization passes.
+ ///
+ /// These options are not necessarily for debugging purpose (the function
+ /// name is misleading). This function should be called before
+ /// LTOCodeGenerator::compilexxx(), and
+ /// LTOCodeGenerator::writeMergedModules().
+ void setCodeGenDebugOptions(const char *Opts);
+
+ /// Parse the options set in setCodeGenDebugOptions.
+ ///
+ /// Like \a setCodeGenDebugOptions(), this must be called before
+ /// LTOCodeGenerator::compilexxx() and
+ /// LTOCodeGenerator::writeMergedModules().
void parseCodeGenDebugOptions();
- // Write the merged module to the file specified by the given path.
- // Return true on success.
- bool writeMergedModules(const char *path, std::string &errMsg);
-
- // Compile the merged module into a *single* object file; the path to object
- // file is returned to the caller via argument "name". Return true on
- // success.
- //
- // NOTE that it is up to the linker to remove the intermediate object file.
- // 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 disableInline,
- bool disableGVNLoadPRE,
- bool disableVectorization,
- std::string &errMsg);
-
- // As with compile_to_file(), this function compiles the merged module into
- // single object file. Instead of returning the object-file-path to the caller
- // (linker), it brings the object to a buffer, and return the buffer to the
- // caller. This function should delete intermediate object file once its content
- // is brought to memory. Return NULL if the compilation was not successful.
- std::unique_ptr<MemoryBuffer> compile(bool disableInline,
- bool disableGVNLoadPRE,
- bool disableVectorization,
+ /// Write the merged module to the file specified by the given path. Return
+ /// true on success.
+ bool writeMergedModules(const char *Path, std::string &ErrMsg);
+
+ /// Compile the merged module into a *single* object file; the path to object
+ /// file is returned to the caller via argument "name". Return true on
+ /// success.
+ ///
+ /// \note It is up to the linker to remove the intermediate object file. 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 DisableVerify,
+ bool DisableInline, bool DisableGVNLoadPRE,
+ bool DisableVectorization, std::string &ErrMsg);
+
+ /// As with compile_to_file(), this function compiles the merged module into
+ /// single object file. Instead of returning the object-file-path to the
+ /// caller (linker), it brings the object to a buffer, and return the buffer
+ /// to the caller. This function should delete intermediate object file once
+ /// its content is brought to memory. Return NULL if the compilation was not
+ /// successful.
+ std::unique_ptr<MemoryBuffer> compile(bool DisableVerify, 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);
+ /// Optimizes the merged module. Returns true on success.
+ bool optimize(bool DisableVerify, 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.
+ std::unique_ptr<MemoryBuffer> compileOptimized(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.
- std::unique_ptr<MemoryBuffer> compileOptimized(std::string &errMsg);
+ /// Compile the merged optimized module into out.size() object files each
+ /// representing a linkable partition of the module. If out contains more
+ /// than one element, code generation is done in parallel with out.size()
+ /// threads. Object files will be written to members of out. Returns true on
+ /// success.
+ bool compileOptimized(ArrayRef<raw_pwrite_stream *> Out, std::string &ErrMsg);
void setDiagnosticHandler(lto_diagnostic_handler_t, void *);
private:
void initializeLTOPasses();
- bool compileOptimized(raw_pwrite_stream &out, std::string &errMsg);
- bool compileOptimizedToFile(const char **name, 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,
SmallPtrSetImpl<GlobalValue *> &AsmUsed,
Mangler &Mangler);
- bool determineTarget(std::string &errMsg);
+ bool determineTarget(std::string &ErrMsg);
static void DiagnosticHandler(const DiagnosticInfo &DI, void *Context);
typedef StringMap<uint8_t> StringSet;
- void destroyMergedModule();
std::unique_ptr<LLVMContext> OwnedContext;
LLVMContext &Context;
+ std::unique_ptr<Module> MergedModule;
Linker IRLinker;
- TargetMachine *TargetMach = nullptr;
+ std::unique_ptr<TargetMachine> TargetMach;
bool EmitDwarfDebugInfo = false;
bool ScopeRestrictionsDone = false;
- lto_codegen_model CodeModel = LTO_CODEGEN_PIC_MODEL_DEFAULT;
+ Reloc::Model RelocModel = Reloc::Default;
StringSet MustPreserveSymbols;
StringSet AsmUndefinedRefs;
- std::vector<char *> CodegenOptions;
+ std::vector<std::string> CodegenOptions;
+ std::string FeatureStr;
std::string MCpu;
std::string MAttr;
std::string NativeObjectPath;
TargetOptions Options;
+ CodeGenOpt::Level CGOptLevel = CodeGenOpt::Default;
unsigned OptLevel = 2;
lto_diagnostic_handler_t DiagHandler = nullptr;
void *DiagContext = nullptr;
- LTOModule *OwnedModule = nullptr;
bool ShouldInternalize = true;
bool ShouldEmbedUselists = false;
};
-} // namespace llvm
+}
#endif
projects / oota-llvm.git / blobdiff