return to;
}

std::string OperationLegalityString(Operation *op,
                                    const ConversionTarget &target) {
  auto op_name = op->getName();
  auto action = target.getOpAction(op_name);
  if (!action.has_value()) {
    return "Unknown";
  }
  switch (action.value_or(ConversionTarget::LegalizationAction::Legal)) {
    case ConversionTarget::LegalizationAction::Legal: