Пример #1
0
exprt local_SSAt::edge_guard(locationt from, locationt to) const
{
  if(from->is_goto())
  {
    // big question: taken or not taken?
    if(to==from->get_target())
      return and_exprt(guard_symbol(from), cond_symbol(from));
    else
      return and_exprt(guard_symbol(from), not_exprt(cond_symbol(from)));
  }
  else if(from->is_assume())
  {
    return and_exprt(guard_symbol(from), cond_symbol(from));
  }
  else
    return guard_symbol(from);
}