unsigned is_matured:1; /**< If set, all in-nodes of the block are fixed. */
unsigned is_dead:1; /**< If set, the block is dead (and could be replace by a Bad. */
unsigned is_mb_head:1; /**< Set if this block is a macroblock head. */
+ unsigned has_label:1; /**< Set if this block has a label assigned. */
ir_node **graph_arr; /**< An array to store all parameters. */
/* Attributes holding analyses information */
ir_dom_info dom; /**< Datastructure that holds information about dominators.
ir_extblk *extblk; /**< The extended basic block this block belongs to. */
ir_region *region; /**< The immediate structural region this block belongs to. */
unsigned mb_depth; /**< The macroblock depth: A distance from the macroblock header */
+ ir_label_t label; /**< The block label if assigned. */
struct list_head succ_head; /**< A list head for all successor edges of a block. */
} block_attr;
ir_address_taken_computed_state globals_adr_taken_state; /**< Address taken state of the globals. */
ir_exc_region_t last_region_nr; /**< The last exception region number that was assigned. */
+ ir_label_t last_label_nr; /**< The highest label number for generating unique labels. */
#ifdef DEBUG_libfirm
long max_node_nr; /**< to generate unique numbers for nodes. */
#endif