}
  }
  if (!new_shape.empty()) new_shape[0] = -1;
  return builder.create<TF::ReshapeOp>(
      loc, output.getType(), slice_op,
      Create1DConstValue(builder, loc, new_shape));
}

bool IsPrecisionEmpty(StringAttr prec_str) {
  xla::PrecisionConfig prec;
  prec.ParseFromString(prec_str.str());
  return !prec.operand_precision_size();
}