- struct ir_node *idom; /**< immediate CFG dominator */
- int pre_num; /**< pre-order graph-walk number */
- int dom_depth; /**< depth in dominator-tree */
+ struct ir_node *idom; /**< immediate CFG dominator */
+ struct ir_node *next; /**< The next node in the dominated
+ list of @c idom. */
+ struct ir_node *first; /**< The first node in the list of nodes
+ this nodes dominates immediately. */
+ unsigned tree_pre_num; /**< The pre-order number from a dfs walk
+ over the dominator tree. */
+ unsigned max_subtree_pre_num; /**< The largest tree pre num found in the
+ dominator subtree of this node. */
+ int pre_num; /**< pre-order graph-walk number */
+ int dom_depth; /**< depth in dominator-tree */