dt_irlist_label
extern uint_t dt_irlist_label(dt_irlist_t *);
uint_t label = dt_irlist_label(dlp);
uint_t lbl_true = dt_irlist_label(dlp);
uint_t lbl_post = dt_irlist_label(dlp);
uint_t lbl_false = dt_irlist_label(dlp);
uint_t lbl_post = dt_irlist_label(dlp);
uint_t lbl_false = dt_irlist_label(dlp);
uint_t lbl_post = dt_irlist_label(dlp);
uint_t lbl_next = dt_irlist_label(dlp);
uint_t lbl_tail = dt_irlist_label(dlp);
uint_t lbl_true = dt_irlist_label(dlp);
uint_t lbl_false = dt_irlist_label(dlp);
uint_t lbl_post = dt_irlist_label(dlp);
uint_t lbl_zero = dt_irlist_label(dlp);
uint_t lbl_post = dt_irlist_label(dlp);