int num_passes_enabled = 0, num_passes_disabled = 0,
      num_passes_fallback_enabled = 0;
  for (const auto& pass_registration : registry_->passes()) {
    MlirOptimizationPassState pass_state = pass_registration.pass->GetPassState(
        &device_set, config_proto, **graph, *flib_def);
    per_pass_state.push_back(pass_state);
    switch (pass_state) {
      case MlirOptimizationPassState::FallbackEnabled: {