-
-(defun handle-nested-dynamic-extent-lvars (arg)
- (let ((uses (lvar-uses arg)))
- ;; Stack analysis wants DX value generators to end their
- ;; blocks. Uses of mupltiple used LVARs already end their blocks,
- ;; so we just need to process used-once LVARs.
- (when (node-p uses)
- (node-ends-block uses)
- (setf uses (list uses)))
- ;; If the function result is DX, so are its arguments... This
- ;; assumes that all our DX functions do not store their arguments
- ;; anywhere -- just use, and maybe return.
- (cons arg
- (loop for use in uses
- when (basic-combination-p use)
- nconc (loop for a in (basic-combination-args use)
- append (handle-nested-dynamic-extent-lvars a))))))
-