;; haven't seen any reference yet. If the TN is local, then this is
;; the block it is local to.
(local nil :type (or ir2-block null))
;; If a local TN, the block relative number for this TN. Global TNs
;; whose liveness changes within a block are also assigned a local
;; number during the conflicts analysis of that block. If the TN has
;; haven't seen any reference yet. If the TN is local, then this is
;; the block it is local to.
(local nil :type (or ir2-block null))
;; If a local TN, the block relative number for this TN. Global TNs
;; whose liveness changes within a block are also assigned a local
;; number during the conflicts analysis of that block. If the TN has