mlir::OwningOpRef<mlir::ModuleOp> cloned_module_ref(module_op.clone());

  TF_RETURN_IF_ERROR(
      RunCalibrationPasses(*cloned_module_ref, *context, calibration_data_dir,
                           quantization_options.calibration_options()
                               .force_regenerate_calibration_data()));
  if (!IsCalibrationRequired(*cloned_module_ref)) return ExportedModel();