? mhlo::Precision::DEFAULT
                                        : mlir::mhlo::Precision::HIGHEST;
  llvm::SmallVector<mlir::Attribute, 2> attr_vec;
  const int num_inputs = 2;
  for (int i = 0; i < num_inputs; i++) {
    attr_vec.push_back(
        mlir::mhlo::PrecisionAttr::get(builder->getContext(), precision));
  }
  return builder->getArrayAttr(attr_vec);
}