value->set_f(attr.getValueAsDouble());
  return absl::OkStatus();
}

Status ConvertAttribute(const mlir::ElementsAttr& attr, AttrValue* value) {
  return ConvertToTensorProto(attr, value->mutable_tensor());
}

Status ConvertAttribute(const mlir::TF::PlaceholderAttr& attr,
                        AttrValue* value) {
  value->set_placeholder(attr.getValue().str());

  } else {
    output->reserve(attr.getNumElements());
    for (const T value : attr.getValues<T>())
      output->push_back(Eigen::numext::bit_cast<uint8_t>(value));
  }
}

Status ConvertToTensorProto(const ElementsAttr attr, TensorProto* output) {
  auto type = attr.getShapedType();
  auto shape = type.getShape();
  DataType output_dtype;
  TF_RETURN_IF_ERROR(ConvertToDataType(type, &output_dtype));