return failure();
    }
    return success();
  }

 private:
  // Check if op's user or op's user after an identity op is connected to a
  // terminator.
  bool checkIfAnyUserIsConnectedToTermiantor(BlockArgument op) const {
    for (const auto& user : op.getUsers()) {
      if (user->template hasTrait<OpTrait::IsTerminator>()) return true;
      if (auto next_user = dyn_cast_or_null<TF::IdentityOp>(user)) {