lto_codegen_set_assembler_args(lto_code_gen_t cg, const char **args,
int nargs);
+/**
+ * Enables the internalize pass during LTO optimizations.
+ */
+extern void
+lto_codegen_whole_program_optimization(lto_code_gen_t cg);
+
/**
* Adds to a list of all global symbols that must exist in the final
* generated code. If a function is not listed, it might be
extern void
lto_codegen_add_must_preserve_symbol(lto_code_gen_t cg, const char* symbol);
-
/**
* Writes a new object file at the specified path that contains the
* merged contents of all modules added so far.
extern bool
lto_codegen_write_merged_modules(lto_code_gen_t cg, const char* path);
-
/**
* Generates code for all added modules into one native object file.
* On success returns a pointer to a generated mach-o/ELF buffer and
: _context(getGlobalContext()),
_linker("LinkTimeOptimizer", "ld-temp.o", _context), _target(NULL),
_emitDwarfDebugInfo(false), _scopeRestrictionsDone(false),
- _codeModel(LTO_CODEGEN_PIC_MODEL_DYNAMIC),
+ _runInternalizePass(false), _codeModel(LTO_CODEGEN_PIC_MODEL_DYNAMIC),
_nativeObjectFile(NULL) {
InitializeAllTargets();
InitializeAllTargetMCs();
// Add an appropriate TargetData instance for this module...
passes.add(new TargetData(*_target->getTargetData()));
- PassManagerBuilder().populateLTOPassManager(passes, /*Internalize=*/ false,
+ PassManagerBuilder().populateLTOPassManager(passes,
+ _runInternalizePass,
!DisableInline,
DisableGVNLoadPRE);
const void *compile(size_t *length, std::string &errMsg);
void setCodeGenDebugOptions(const char *opts);
+ void enableInternalizePass() { _runInternalizePass = true; }
+
private:
bool generateObjectFile(llvm::raw_ostream &out, std::string &errMsg);
void applyScopeRestrictions();
llvm::TargetMachine* _target;
bool _emitDwarfDebugInfo;
bool _scopeRestrictionsDone;
+ bool _runInternalizePass;
lto_codegen_model _codeModel;
StringSet _mustPreserveSymbols;
StringSet _asmUndefinedRefs;
cg->addMustPreserveSymbol(symbol);
}
+/// lto_codegen_whole_program_optimization - Enable the internalize pass during
+/// LTO optimizations.
+void lto_codegen_whole_program_optimization(lto_code_gen_t cg) {
+ cg->enableInternalizePass();
+}
+
/// lto_codegen_write_merged_modules - Writes a new file at the specified path
/// that contains the merged contents of all modules added so far. Returns true
/// on error (check lto_get_error_message() for details).
lto_codegen_set_assembler_path
lto_codegen_set_cpu
lto_codegen_compile_to_file
+lto_codegen_whole_program_optimization
LLVMCreateDisasm
LLVMDisasmDispose
LLVMDisasmInstruction