Function is_same_scale_zero

src/simplify_qdq.cpp:489–498

}

bool is_same_scale_zero(instruction_ref a, instruction_ref b)
{
    if(a->inputs().size() != b->inputs().size())
        return false;
    if(not is_same_value(a->inputs().at(1), b->inputs().at(1)))
        return false;
    if(a->inputs().size() == 2)
        return true;
    return is_same_value(a->inputs().at(2), b->inputs().at(2));
}

// When an unpack instruction is inserted, its original input must be an int4/uint4.
// Therefore check for an unpack_int4 operator -- while ignoring out shape related ops.