}

// Returns the number of elements present in this TensorProto, or -1 if that
// could not be determined. This might be less than the shape of the proto might
// indicate, if we're storing a splat tensor.
int NumberOfMaterializedElements(const TensorProto& tensor) {
  if (!tensor.tensor_content().empty()) return -1;
    // We don't know which element type this protocol buffer is storing, and the