Esempi in C++ (Cpp) per ThinLTOCodeGenerator::setOptLevel

Esempio n. 1

File: lto.cpp Progetto: jamboree/llvm

thinlto_code_gen_t thinlto_create_codegen(void) {
  lto_initialize();
  ThinLTOCodeGenerator *CodeGen = new ThinLTOCodeGenerator();
  CodeGen->setTargetOptions(InitTargetOptionsFromCodeGenFlags());
  CodeGen->setFreestanding(EnableFreestanding);

  if (OptLevel.getNumOccurrences()) {
    if (OptLevel < '0' || OptLevel > '3')
      report_fatal_error("Optimization level must be between 0 and 3");
    CodeGen->setOptLevel(OptLevel - '0');
    switch (OptLevel) {
    case '0':
      CodeGen->setCodeGenOptLevel(CodeGenOpt::None);
      break;
    case '1':
      CodeGen->setCodeGenOptLevel(CodeGenOpt::Less);
      break;
    case '2':
      CodeGen->setCodeGenOptLevel(CodeGenOpt::Default);
      break;
    case '3':
      CodeGen->setCodeGenOptLevel(CodeGenOpt::Aggressive);
      break;
    }
  }
  return wrap(CodeGen);
}