Method is_undefined

src/instruction.cpp:332–350

}

bool instruction::is_undefined() const
{
    if(op.name() == "undefined" or
       (op.name() == "@literal" and this->get_literal().get_shape().elements() == 0))
    {
        return true;
    }
    else if(this->inputs().empty())
    {
        return false;
    }
    else
    {
        return std::all_of(this->inputs().begin(), this->inputs().end(), [](auto arg) {
            return all_of(instruction::get_output_alias(arg),
                          [](auto alias) { return alias->is_undefined(); });
        });
    }
}

bool instruction::can_eval() const
{