652   uint *_preorders;  member in PhaseIdealLoop
661     _preorders = NEW_RESOURCE_ARRAY(uint, _max_preorder);  in allocate_preorders()
662     memset(_preorders, 0, sizeof(uint) * _max_preorder);  in allocate_preorders()
668       _preorders = REALLOC_RESOURCE_ARRAY(uint, _preorders, _max_preorder, C->unique());  in reallocate_preorders()
671     memset(_preorders, 0, sizeof(uint) * _max_preorder);  in reallocate_preorders()
679       _preorders = REALLOC_RESOURCE_ARRAY(uint, _preorders, _max_preorder, newsize);  in check_grow_preorders()
680       memset(&_preorders[_max_preorder],0,sizeof(uint)*(newsize-_max_preorder));  in check_grow_preorders()
685   int is_visited( Node *n ) const { return _preorders[n->_idx]; }  in is_visited()
689     _preorders[n->_idx] = (pre_order<<1);  in set_preorder_visited()
692   int get_preorder( Node *n ) const { assert( is_visited(n), "" ); return _preorders[n->_idx]>>1; }  in get_preorder()
696   int is_postvisited( Node *n ) const { assert( is_visited(n), "" ); return _preorders[n->_idx]&1; }  in is_postvisited()
699   void set_postvisited( Node *n ) { assert( !is_postvisited( n ), "" ); _preorders[n->_idx] |= 1; }  in set_postvisited()