//
//===----------------------------------------------------------------------===//
-#ifndef LTO_CODE_GENERATOR_H
-#define LTO_CODE_GENERATOR_H
+#ifndef LLVM_LTO_LTOCODEGENERATOR_H
+#define LLVM_LTO_LTOCODEGENERATOR_H
#include "llvm-c/lto.h"
#include "llvm/ADT/ArrayRef.h"
class TargetLibraryInfo;
class TargetMachine;
class raw_ostream;
-}
+ class raw_pwrite_stream;
//===----------------------------------------------------------------------===//
/// C++ class which implements the opaque lto_code_gen_t type.
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(std::unique_ptr<LTOModule> M);
- void setTargetOptions(llvm::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);
+
+ void setShouldInternalize(bool Value) { ShouldInternalize = Value; }
+ void setShouldEmbedUselists(bool Value) { ShouldEmbedUselists = Value; }
- void addMustPreserveSymbol(const char *sym) { MustPreserveSymbols[sym] = 1; }
+ 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).
// 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
// (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.
- const void *compile(size_t *length,
- bool disableOpt,
- bool disableInline,
- bool disableGVNLoadPRE,
- std::string &errMsg);
+ std::unique_ptr<MemoryBuffer> compile(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.
+ 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 *);
+ LLVMContext &getContext() { return Context; }
+
private:
void initializeLTOPasses();
- bool generateObjectFile(llvm::raw_ostream &out,
- bool disableOpt,
- bool disableInline,
- bool disableGVNLoadPRE,
- std::string &errMsg);
+ bool compileOptimizedToFile(const char **name, std::string &errMsg);
void applyScopeRestrictions();
- void applyRestriction(llvm::GlobalValue &GV,
- const llvm::ArrayRef<llvm::StringRef> &Libcalls,
- std::vector<const char*> &MustPreserveList,
- llvm::SmallPtrSet<llvm::GlobalValue*, 8> &AsmUsed,
- llvm::Mangler &Mangler);
+ void applyRestriction(GlobalValue &GV, ArrayRef<StringRef> Libcalls,
+ std::vector<const char *> &MustPreserveList,
+ SmallPtrSetImpl<GlobalValue *> &AsmUsed,
+ Mangler &Mangler);
bool determineTarget(std::string &errMsg);
- static void DiagnosticHandler(const llvm::DiagnosticInfo &DI, void *Context);
+ static void DiagnosticHandler(const DiagnosticInfo &DI, void *Context);
- void DiagnosticHandler2(const llvm::DiagnosticInfo &DI);
+ void DiagnosticHandler2(const DiagnosticInfo &DI);
- typedef llvm::StringMap<uint8_t> StringSet;
+ typedef StringMap<uint8_t> StringSet;
- llvm::LLVMContext &Context;
- llvm::Linker Linker;
- llvm::TargetMachine *TargetMach;
- bool EmitDwarfDebugInfo;
- bool ScopeRestrictionsDone;
- lto_codegen_model CodeModel;
+ std::unique_ptr<LLVMContext> OwnedContext;
+ LLVMContext &Context;
+ std::unique_ptr<Module> MergedModule;
+ Linker IRLinker;
+ std::unique_ptr<TargetMachine> TargetMach;
+ bool EmitDwarfDebugInfo = false;
+ bool ScopeRestrictionsDone = false;
+ Reloc::Model RelocModel = Reloc::Default;
StringSet MustPreserveSymbols;
StringSet AsmUndefinedRefs;
- llvm::MemoryBuffer *NativeObjectFile;
- std::vector<char *> CodegenOptions;
+ std::vector<std::string> CodegenOptions;
+ std::string FeatureStr;
std::string MCpu;
std::string MAttr;
std::string NativeObjectPath;
- llvm::TargetOptions Options;
- lto_diagnostic_handler_t DiagHandler;
- void *DiagContext;
+ TargetOptions Options;
+ CodeGenOpt::Level CGOptLevel = CodeGenOpt::Default;
+ unsigned OptLevel = 2;
+ lto_diagnostic_handler_t DiagHandler = nullptr;
+ void *DiagContext = nullptr;
+ bool ShouldInternalize = true;
+ bool ShouldEmbedUselists = false;
};
-
-#endif // LTO_CODE_GENERATOR_H
+}
+#endif
projects / oota-llvm.git / blobdiff