// dex2oat.cc/art::Dex2oat()
static dex2oat::ReturnCode Dex2oat(int argc, char** argv) {
  b13564922();

  TimingLogger timings("compiler", false, false);

  // Allocate `dex2oat` on the heap instead of on the stack, as Clang
  // might produce a stack frame too large for this function or for
  // functions inlining it (such as main), that would not fit the
  // requirements of the `-Wframe-larger-than` option.
  std::unique_ptr<Dex2Oat> dex2oat = std::make_unique<Dex2Oat>(&timings);

  // Parse arguments. Argument mistakes will lead to exit(EXIT_FAILURE) in UsageError.
  dex2oat->ParseArgs(argc, argv);

  // If needed, process profile information for profile guided compilation.
  // This operation involves I/O.
  if (dex2oat->UseProfile()) {
    if (!dex2oat->LoadProfile()) {
      LOG(ERROR) << "Failed to process profile file";
      return dex2oat::ReturnCode::kOther;
    }
  }

  art::MemMap::Init();  // For ZipEntry::ExtractToMemMap, and vdex.

  // Check early that the result of compilation can be written
  if (!dex2oat->OpenFile()) {
    return dex2oat::ReturnCode::kOther;
  }


  dex2oat::ReturnCode setup_code = dex2oat->Setup();
  if (setup_code != dex2oat::ReturnCode::kNoFailure) {
    dex2oat->EraseOutputFiles();
    return setup_code;
  }

  // TODO: Due to the cyclic dependencies, profile loading and verifying are
  // being done separately. Refactor and place the two next to each other.
  // If verification fails, we don't abort the compilation and instead log an
  // error.
  // TODO(b/62602192, b/65260586): We should consider aborting compilation when
  // the profile verification fails.
  // Note: If dex2oat fails, installd will remove the oat files causing the app
  // to fallback to apk with possible in-memory extraction. We want to avoid
  // that, and thus we're lenient towards profile corruptions.
  if (dex2oat->UseProfile()) {
    dex2oat->VerifyProfileData();
  }

  dex2oat::ReturnCode result;
  if (dex2oat->IsImage()) {
    result = CompileImage(*dex2oat);
  } else {
    result = CompileApp(*dex2oat);
  }

  return result;
}
...

driver->Precompile(...);
...
driver->CompileAll(class_loader, dex_files, timings_);
...

// compiler_driver.cc

if (compiled_method != nullptr) {
    driver->AddCompiledMethod(method_ref, compiled_method);
}