(end_int < begin_int && strides_int < 0)) {
    // Extract sub-shape only if all of those dimensions are static.
    for (int64_t i = begin_int; (strides_int > 0) ? i < end_int : i > end_int;
         i += strides_int) {
      if (tensor_ty.isDynamicDim(i)) {
        return {};
      }
      sub_shape.push_back(tensor_ty.getDimSize(i));
    }
  }

  auto pool_size_id = ::mlir::StringAttr::get(context, "pool_size");
  fields.emplace_back(pool_size_id, pool_size);

  auto strides_id = ::mlir::StringAttr::get(context, "strides");
  fields.emplace_back(strides_id, strides);

  DictionaryAttr dict = DictionaryAttr::get(context, fields);
  return TF::FuncAttr::get(context, "MaxUnpooling2D", dict);
}

}  // namespace