- (let ((this-env (node-environment node)))
- (vop make-closure node block entry (length closure) res)
- (loop for what in closure and n from 0 do
- (unless (and (lambda-var-p what)
- (null (leaf-refs what)))
- (vop closure-init node block
- res
- (find-in-environment what this-env)
- n)))))
- (t
- (emit-move node block entry res))))
+ (let* ((physenv (node-physenv ref))
+ (tn (find-in-physenv functional physenv)))
+ (emit-move ref ir2-block tn res)))
+ (t
+ (let ((entry (make-load-time-constant-tn :entry functional)))
+ (emit-move ref ir2-block entry res)))))
+ (values))
+
+(defoptimizer (%allocate-closures ltn-annotate) ((leaves) node ltn-policy)
+ ltn-policy ; a hack to effectively (DECLARE (IGNORE LTN-POLICY))
+ (when (lvar-dynamic-extent leaves)
+ (let ((info (make-ir2-lvar *backend-t-primitive-type*)))
+ (setf (ir2-lvar-kind info) :delayed)
+ (setf (lvar-info leaves) info)
+ (setf (ir2-lvar-stack-pointer info)
+ (make-stack-pointer-tn)))))
+
+(defoptimizer (%allocate-closures ir2-convert) ((leaves) call 2block)
+ (let ((dx-p (lvar-dynamic-extent leaves)))
+ (collect ((delayed))
+ (when dx-p
+ (vop current-stack-pointer call 2block
+ (ir2-lvar-stack-pointer (lvar-info leaves))))
+ (dolist (leaf (lvar-value leaves))
+ (binding* ((xep (functional-entry-fun leaf) :exit-if-null)
+ (nil (aver (xep-p xep)))
+ (entry-info (lambda-info xep) :exit-if-null)
+ (tn (entry-info-closure-tn entry-info) :exit-if-null)
+ (closure (physenv-closure (get-lambda-physenv xep)))
+ (entry (make-load-time-constant-tn :entry xep)))
+ (let ((this-env (node-physenv call))
+ (leaf-dx-p (and dx-p (leaf-dynamic-extent leaf))))
+ (vop make-closure call 2block entry (length closure)
+ leaf-dx-p tn)
+ (loop for what in closure and n from 0 do
+ (unless (and (lambda-var-p what)
+ (null (leaf-refs what)))
+ ;; In LABELS a closure may refer to another closure
+ ;; in the same group, so we must be sure that we
+ ;; store a closure only after its creation.
+ ;;
+ ;; TODO: Here is a simple solution: we postpone
+ ;; putting of all closures after all creations
+ ;; (though it may require more registers).
+ (if (lambda-p what)
+ (delayed (list tn (find-in-physenv what this-env) n))
+ (vop closure-init call 2block
+ tn
+ (find-in-physenv what this-env)
+ n)))))))
+ (loop for (tn what n) in (delayed)
+ do (vop closure-init call 2block
+ tn what n))))