// management of the killed-bitset for global value numbering void kill_value(Value v) { if (is_global_value_numbering()) _killed_values.put(v); }
bool is_killed(Value v) { if (is_global_value_numbering()) return _killed_values.contains(v); else return false; }
void ValueMap::kill_map(ValueMap* map) { assert(is_global_value_numbering(), "only for global value numbering"); _killed_values.set_union(&map->_killed_values); }