;;; Return true for an LVAR whose sole use is a reference to a
;;; constant leaf.
(defun constant-lvar-p (thing)
+ (declare (type (or lvar null) thing))
(and (lvar-p thing)
(let ((use (principal-lvar-use thing)))
(and (ref-p use) (constant-p (ref-leaf use))))))
\f
;;;; interface routines used by optimizers
+(declaim (inline reoptimize-component))
+(defun reoptimize-component (component kind)
+ (declare (type component component)
+ (type (member nil :maybe t) kind))
+ (aver kind)
+ (unless (eq (component-reoptimize component) t)
+ (setf (component-reoptimize component) kind)))
+
;;; This function is called by optimizers to indicate that something
;;; interesting has happened to the value of LVAR. Optimizers must
;;; make sure that they don't call for reoptimization when nothing has
(when (typep dest 'cif)
(setf (block-test-modified block) t))
(setf (block-reoptimize block) t)
- (setf (component-reoptimize component) t))))
+ (reoptimize-component component :maybe))))
(do-uses (node lvar)
(setf (block-type-check (node-block node)) t)))
(values))
(do-uses (use lvar)
(setf (node-reoptimize use) t)
(setf (block-reoptimize (node-block use)) t)
- (setf (component-reoptimize (node-component use)) t)))
+ (reoptimize-component (node-component use) :maybe)))
;;; Annotate NODE to indicate that its result has been proven to be
;;; TYPEP to RTYPE. After IR1 conversion has happened, this is the
(let ((*compiler-error-context* node))
(compiler-warn
"New inferred type ~S conflicts with old type:~
- ~% ~S~%*** possible internal error? Please report this."
+ ~% ~S~%*** possible internal error? Please report this."
(type-specifier rtype) (type-specifier node-type))))
(setf (node-derived-type node) int)
;; If the new type consists of only one object, replace the
(defun assert-lvar-type (lvar type policy)
(declare (type lvar lvar) (type ctype type))
(unless (values-subtypep (lvar-derived-type lvar) type)
- (let* ((dest (lvar-dest lvar))
- (ctran (node-prev dest)))
- (with-ir1-environment-from-node dest
- (let* ((cast (make-cast lvar type policy))
- (internal-lvar (make-lvar))
- (internal-ctran (make-ctran)))
- (setf (ctran-next ctran) cast
- (node-prev cast) ctran)
- (use-continuation cast internal-ctran internal-lvar)
- (link-node-to-previous-ctran dest internal-ctran)
- (substitute-lvar internal-lvar lvar)
- (setf (lvar-dest lvar) cast)
- (reoptimize-lvar lvar)
- (when (return-p dest)
- (node-ends-block cast))
- (setf (block-attributep (block-flags (node-block cast))
- type-check type-asserted)
- t))))))
+ (let ((internal-lvar (make-lvar))
+ (dest (lvar-dest lvar)))
+ (substitute-lvar internal-lvar lvar)
+ (let ((cast (insert-cast-before dest lvar type policy)))
+ (use-lvar cast internal-lvar))))
+ (values))
\f
;;;; IR1-OPTIMIZE
;;; and doing IR1 optimizations. We can ignore all blocks that don't
;;; have the REOPTIMIZE flag set. If COMPONENT-REOPTIMIZE is true when
;;; we are done, then another iteration would be beneficial.
-(defun ir1-optimize (component)
+(defun ir1-optimize (component fastp)
(declare (type component component))
(setf (component-reoptimize component) nil)
- (do-blocks (block component)
- (cond
- ;; We delete blocks when there is either no predecessor or the
- ;; block is in a lambda that has been deleted. These blocks
- ;; would eventually be deleted by DFO recomputation, but doing
- ;; it here immediately makes the effect available to IR1
- ;; optimization.
- ((or (block-delete-p block)
- (null (block-pred block)))
- (delete-block block))
- ((eq (functional-kind (block-home-lambda block)) :deleted)
- ;; Preserve the BLOCK-SUCC invariant that almost every block has
- ;; one successor (and a block with DELETE-P set is an acceptable
- ;; exception).
- (mark-for-deletion block)
- (delete-block block))
- (t
- (loop
- (let ((succ (block-succ block)))
- (unless (singleton-p succ)
- (return)))
-
- (let ((last (block-last block)))
- (typecase last
- (cif
- (flush-dest (if-test last))
- (when (unlink-node last)
- (return)))
- (exit
- (when (maybe-delete-exit last)
- (return)))))
-
- (unless (join-successor-if-possible block)
- (return)))
-
- (when (and (block-reoptimize block) (block-component block))
- (aver (not (block-delete-p block)))
- (ir1-optimize-block block))
-
- (cond ((and (block-delete-p block) (block-component block))
- (delete-block block))
- ((and (block-flush-p block) (block-component block))
- (flush-dead-code block))))))
+ (loop with block = (block-next (component-head component))
+ with tail = (component-tail component)
+ for last-block = block
+ until (eq block tail)
+ do (cond
+ ;; We delete blocks when there is either no predecessor or the
+ ;; block is in a lambda that has been deleted. These blocks
+ ;; would eventually be deleted by DFO recomputation, but doing
+ ;; it here immediately makes the effect available to IR1
+ ;; optimization.
+ ((or (block-delete-p block)
+ (null (block-pred block)))
+ (delete-block-lazily block)
+ (setq block (clean-component component block)))
+ ((eq (functional-kind (block-home-lambda block)) :deleted)
+ ;; Preserve the BLOCK-SUCC invariant that almost every block has
+ ;; one successor (and a block with DELETE-P set is an acceptable
+ ;; exception).
+ (mark-for-deletion block)
+ (setq block (clean-component component block)))
+ (t
+ (loop
+ (let ((succ (block-succ block)))
+ (unless (singleton-p succ)
+ (return)))
+
+ (let ((last (block-last block)))
+ (typecase last
+ (cif
+ (flush-dest (if-test last))
+ (when (unlink-node last)
+ (return)))
+ (exit
+ (when (maybe-delete-exit last)
+ (return)))))
+
+ (unless (join-successor-if-possible block)
+ (return)))
+
+ (when (and (not fastp) (block-reoptimize block) (block-component block))
+ (aver (not (block-delete-p block)))
+ (ir1-optimize-block block))
+
+ (cond ((and (block-delete-p block) (block-component block))
+ (setq block (clean-component component block)))
+ ((and (block-flush-p block) (block-component block))
+ (flush-dead-code block)))))
+ do (when (eq block last-block)
+ (setq block (block-next block))))
(values))
(when (block-start next) ; NEXT is not an END-OF-COMPONENT marker
(cond ( ;; We cannot combine with a successor block if:
(or
- ;; The successor has more than one predecessor.
+ ;; the successor has more than one predecessor;
(rest (block-pred next))
- ;; The successor is the current block (infinite loop).
+ ;; the successor is the current block (infinite loop);
(eq next block)
- ;; The next block has a different cleanup, and thus
+ ;; the next block has a different cleanup, and thus
;; we may want to insert cleanup code between the
- ;; two blocks at some point.
+ ;; two blocks at some point;
(not (eq (block-end-cleanup block)
(block-start-cleanup next)))
- ;; The next block has a different home lambda, and
+ ;; the next block has a different home lambda, and
;; thus the control transfer is a non-local exit.
(not (eq (block-home-lambda block)
- (block-home-lambda next))))
+ (block-home-lambda next)))
+ ;; Stack analysis phase wants ENTRY to start a block...
+ (entry-p (block-start-node next))
+ (let ((last (block-last block)))
+ (and (valued-node-p last)
+ (awhen (node-lvar last)
+ (or
+ ;; ... and a DX-allocator to end a block.
+ (lvar-dynamic-extent it)
+ ;; FIXME: This is a partial workaround for bug 303.
+ (consp (lvar-uses it)))))))
nil)
(t
(join-blocks block next)
(defun flush-dead-code (block)
(declare (type cblock block))
(setf (block-flush-p block) nil)
- (do-nodes-backwards (node lvar block)
+ (do-nodes-backwards (node lvar block :restart-p t)
(unless lvar
(typecase node
(ref
(delete-ref node)
(unlink-node node))
(combination
- (let ((info (combination-kind node)))
- (when (fun-info-p info)
+ (let ((kind (combination-kind node))
+ (info (combination-fun-info node)))
+ (when (and (eq kind :known) (fun-info-p info))
(let ((attr (fun-info-attributes info)))
(when (and (not (ir1-attributep attr call))
;; ### For now, don't delete potentially
(let ((result (return-result node)))
(collect ((use-union *empty-type* values-type-union))
(do-uses (use result)
- (cond ((and (basic-combination-p use)
- (eq (basic-combination-kind use) :local))
- (aver (eq (lambda-tail-set (node-home-lambda use))
- (lambda-tail-set (combination-lambda use))))
- (when (combination-p use)
- (when (nth-value 1 (maybe-convert-tail-local-call use))
- (return-from find-result-type (values)))))
- (t
- (use-union (node-derived-type use)))))
+ (let ((use-home (node-home-lambda use)))
+ (cond ((or (eq (functional-kind use-home) :deleted)
+ (block-delete-p (node-block use))))
+ ((and (basic-combination-p use)
+ (eq (basic-combination-kind use) :local))
+ (aver (eq (lambda-tail-set use-home)
+ (lambda-tail-set (combination-lambda use))))
+ (when (combination-p use)
+ (when (nth-value 1 (maybe-convert-tail-local-call use))
+ (return-from find-result-type t))))
+ (t
+ (use-union (node-derived-type use))))))
(let ((int
;; (values-type-intersection
;; (continuation-asserted-type result) ; FIXME -- APD, 2002-01-26
(use-union)
;; )
- ))
+ ))
(setf (return-result-type node) int))))
- (values))
+ nil)
;;; Do stuff to realize that something has changed about the value
;;; delivered to a return node. Since we consider the return values of
;;; results of the calls.
(defun ir1-optimize-return (node)
(declare (type creturn node))
- (let* ((tails (lambda-tail-set (return-lambda node)))
- (funs (tail-set-funs tails)))
- (collect ((res *empty-type* values-type-union))
- (dolist (fun funs)
- (let ((return (lambda-return fun)))
- (when return
- (when (node-reoptimize return)
- (setf (node-reoptimize return) nil)
- (find-result-type return))
- (res (return-result-type return)))))
-
- (when (type/= (res) (tail-set-type tails))
- (setf (tail-set-type tails) (res))
- (dolist (fun (tail-set-funs tails))
- (dolist (ref (leaf-refs fun))
- (reoptimize-lvar (node-lvar ref)))))))
+ (tagbody
+ :restart
+ (let* ((tails (lambda-tail-set (return-lambda node)))
+ (funs (tail-set-funs tails)))
+ (collect ((res *empty-type* values-type-union))
+ (dolist (fun funs)
+ (let ((return (lambda-return fun)))
+ (when return
+ (when (node-reoptimize return)
+ (setf (node-reoptimize return) nil)
+ (when (find-result-type return)
+ (go :restart)))
+ (res (return-result-type return)))))
+
+ (when (type/= (res) (tail-set-type tails))
+ (setf (tail-set-type tails) (res))
+ (dolist (fun (tail-set-funs tails))
+ (dolist (ref (leaf-refs fun))
+ (reoptimize-lvar (node-lvar ref))))))))
(values))
\f
(declaim (ftype (function (combination) (values)) ir1-optimize-combination))
(defun ir1-optimize-combination (node)
(when (lvar-reoptimize (basic-combination-fun node))
- (propagate-fun-change node))
+ (propagate-fun-change node)
+ (maybe-terminate-block node nil))
(let ((args (basic-combination-args node))
- (kind (basic-combination-kind node)))
- (case kind
+ (kind (basic-combination-kind node))
+ (info (basic-combination-fun-info node)))
+ (ecase kind
(:local
(let ((fun (combination-lambda node)))
(if (eq (functional-kind fun) :let)
(propagate-let-args node fun)
(propagate-local-call-args node fun))))
- ((:full :error)
+ (:error
(dolist (arg args)
(when arg
(setf (lvar-reoptimize arg) nil))))
- (t
+ (:full
+ (dolist (arg args)
+ (when arg
+ (setf (lvar-reoptimize arg) nil)))
+ (when info
+ (let ((fun (fun-info-derive-type info)))
+ (when fun
+ (let ((res (funcall fun node)))
+ (when res
+ (derive-node-type node (coerce-to-values res))
+ (maybe-terminate-block node nil)))))))
+ (:known
+ (aver info)
(dolist (arg args)
(when arg
(setf (lvar-reoptimize arg) nil)))
- (let ((attr (fun-info-attributes kind)))
+ (let ((attr (fun-info-attributes info)))
(when (and (ir1-attributep attr foldable)
;; KLUDGE: The next test could be made more sensitive,
;; only suppressing constant-folding of functions with
(constant-fold-call node)
(return-from ir1-optimize-combination)))
- (let ((fun (fun-info-derive-type kind)))
+ (let ((fun (fun-info-derive-type info)))
(when fun
(let ((res (funcall fun node)))
(when res
(derive-node-type node (coerce-to-values res))
(maybe-terminate-block node nil)))))
- (let ((fun (fun-info-optimizer kind)))
+ (let ((fun (fun-info-optimizer info)))
(unless (and fun (funcall fun node))
- (dolist (x (fun-info-transforms kind))
+ (dolist (x (fun-info-transforms info))
#!+sb-show
(when *show-transforms-p*
(let* ((lvar (basic-combination-fun node))
;;;
;;; Why do we need to consider LVAR type? -- APD, 2003-07-30
(defun maybe-terminate-block (node ir1-converting-not-optimizing-p)
- (declare (type (or basic-combination cast) node))
+ (declare (type (or basic-combination cast ref) node))
(let* ((block (node-block node))
(lvar (node-lvar node))
(ctran (node-next node))
(tail (component-tail (block-component block)))
(succ (first (block-succ block))))
+ (declare (ignore lvar))
(unless (or (and (eq node (block-last block)) (eq succ tail))
(block-delete-p block))
(when (eq (node-derived-type node) *empty-type*)
(t
(node-ends-block node)))
- (unlink-blocks block (first (block-succ block)))
- (setf (component-reanalyze (block-component block)) t)
- (aver (not (block-succ block)))
- (link-blocks block tail)
- (if ir1-converting-not-optimizing-p
- (%delete-lvar-use node)
- (delete-lvar-use node))
+ (let ((succ (first (block-succ block))))
+ (unlink-blocks block succ)
+ (setf (component-reanalyze (block-component block)) t)
+ (aver (not (block-succ block)))
+ (link-blocks block tail)
+ (cond (ir1-converting-not-optimizing-p
+ (%delete-lvar-use node))
+ (t (delete-lvar-use node)
+ (when (null (block-pred succ))
+ (mark-for-deletion succ)))))
t))))
;;; This is called both by IR1 conversion and IR1 optimization when
(defined-fun-inlinep leaf)
:no-chance)))
(cond
- ((eq inlinep :notinline) (values nil nil))
+ ((eq inlinep :notinline)
+ (let ((info (info :function :info (leaf-source-name leaf))))
+ (when info
+ (setf (basic-combination-fun-info call) info))
+ (values nil nil)))
((not (and (global-var-p leaf)
(eq (global-var-kind leaf) :global-function)))
(values leaf nil))
;; called semi-inlining? A more descriptive name would
;; be nice. -- WHN 2002-01-07
(frob ()
- (let ((res (ir1-convert-lambda-for-defun
- (defined-fun-inline-expansion leaf)
- leaf t
- #'ir1-convert-inline-lambda)))
+ (let ((res (let ((*allow-instrumenting* t))
+ (ir1-convert-lambda-for-defun
+ (defined-fun-inline-expansion leaf)
+ leaf t
+ #'ir1-convert-inline-lambda))))
(setf (defined-fun-functional leaf) res)
(change-ref-leaf ref res))))
(if ir1-converting-not-optimizing-p
(t
(let ((info (info :function :info (leaf-source-name leaf))))
(if info
- (values leaf (setf (basic-combination-kind call) info))
+ (values leaf
+ (progn
+ (setf (basic-combination-kind call) :known)
+ (setf (basic-combination-fun-info call) info)))
(values leaf nil)))))))
;;; Check whether CALL satisfies TYPE. If so, apply the type to the
(recognize-known-call call ir1-converting-not-optimizing-p))
((valid-fun-use call type
:argument-test #'always-subtypep
- :result-test #'always-subtypep
+ :result-test nil
;; KLUDGE: Common Lisp is such a dynamic
;; language that all we can do here in
;; general is issue a STYLE-WARNING. It
(lvar-uses (basic-combination-fun call))
call))
((not leaf))
- ((and (leaf-has-source-name-p leaf)
+ ((and (global-var-p leaf)
+ (eq (global-var-kind leaf) :global-function)
+ (leaf-has-source-name-p leaf)
(or (info :function :source-transform (leaf-source-name leaf))
(and info
(ir1-attributep (fun-info-attributes info)
(:aborted
(setf (combination-kind node) :error)
(when args
- (apply #'compiler-warn args))
+ (apply #'warn args))
(remhash node table)
nil)
(:failure
(setf (node-reoptimize node) t)
(let ((block (node-block node)))
(setf (block-reoptimize block) t)
- (setf (component-reoptimize (block-component block)) t)))))))
+ (reoptimize-component (block-component block) :maybe)))))))
reoptimize))
;;; Take the lambda-expression RES, IR1 convert it in the proper
(block-next (node-block call)))
(let ((new-fun (ir1-convert-inline-lambda
res
- :debug-name (debug-namify "LAMBDA-inlined ~A"
- (as-debug-name
- source-name
- "<unknown function>"))))
+ :debug-name (debug-name 'lambda-inlined source-name)))
(ref (lvar-use (combination-fun call))))
(change-ref-leaf ref new-fun)
(setf (combination-kind call) :full)
(() (null (rest sets)) :exit-if-null)
(set-use (principal-lvar-use (set-value set)))
(() (and (combination-p set-use)
- (fun-info-p (combination-kind set-use))
+ (eq (combination-kind set-use) :known)
+ (fun-info-p (combination-fun-info set-use))
+ (not (node-to-be-deleted-p set-use))
(eq (combination-fun-source-name set-use) '+))
:exit-if-null)
(+-args (basic-combination-args set-use))
(dest (lvar-dest lvar)))
(when (and
;; Think about (LET ((A ...)) (IF ... A ...)): two
- ;; LVAR-USEs should not be met on one path.
+ ;; LVAR-USEs should not be met on one path. Another problem
+ ;; is with dynamic-extent.
(eq (lvar-uses lvar) ref)
+ (not (block-delete-p (node-block ref)))
(typecase dest
;; we should not change lifetime of unknown values lvars
(cast
t))
(eq (node-home-lambda ref)
(lambda-home (lambda-var-home var))))
+ (let ((ref-type (single-value-type (node-derived-type ref))))
+ (cond ((csubtypep (single-value-type (lvar-type arg)) ref-type)
+ (substitute-lvar-uses lvar arg
+ ;; Really it is (EQ (LVAR-USES LVAR) REF):
+ t)
+ (delete-lvar-use ref))
+ (t
+ (let* ((value (make-lvar))
+ (cast (insert-cast-before ref value ref-type
+ ;; KLUDGE: it should be (TYPE-CHECK 0)
+ *policy*)))
+ (setf (cast-type-to-check cast) *wild-type*)
+ (substitute-lvar-uses value arg
+ ;; FIXME
+ t)
+ (%delete-lvar-use ref)
+ (add-lvar-use cast lvar)))))
(setf (node-derived-type ref) *wild-type*)
- (substitute-lvar-uses lvar arg)
- (delete-lvar-use ref)
(change-ref-leaf ref (find-constant nil))
(delete-ref ref)
(unlink-node ref)
(unlink-node call)
(unlink-node (lambda-bind clambda))
(setf (lambda-bind clambda) nil))
+ (setf (functional-kind clambda) :zombie)
+ (let ((home (lambda-home clambda)))
+ (setf (lambda-lets home) (delete clambda (lambda-lets home))))
(values))
;;; This function is called when one of the arguments to a LET
(when (and min (< total-nvals min))
(compiler-warn
"MULTIPLE-VALUE-CALL with ~R values when the function expects ~
- at least ~R."
+ at least ~R."
total-nvals min)
(setf (basic-combination-kind node) :error)
(return-from ir1-optimize-mv-call))
(when (and max (> total-nvals max))
(compiler-warn
"MULTIPLE-VALUE-CALL with ~R values when the function expects ~
- at most ~R."
+ at most ~R."
total-nvals max)
(setf (basic-combination-kind node) :error)
(return-from ir1-optimize-mv-call)))
(deftransform values ((&rest vals) * * :node node)
(unless (lvar-single-value-p (node-lvar node))
(give-up-ir1-transform))
- (setf (node-derived-type node) *wild-type*)
+ (setf (node-derived-type node)
+ (make-short-values-type (list (single-value-type
+ (node-derived-type node)))))
(principal-lvar-single-valuify (node-lvar node))
(if vals
(let ((dummies (make-gensym-list (length (cdr vals)))))
;;; - CAST chains;
(defun ir1-optimize-cast (cast &optional do-not-optimize)
(declare (type cast cast))
- (let* ((value (cast-value cast))
- (value-type (lvar-derived-type value))
- (atype (cast-asserted-type cast))
- (int (values-type-intersection value-type atype)))
- (derive-node-type cast int)
- (when (eq int *empty-type*)
- (unless (eq value-type *empty-type*)
-
- ;; FIXME: Do it in one step.
- (filter-lvar
- value
- `(multiple-value-call #'list 'dummy))
- (filter-lvar
- (cast-value cast)
- ;; FIXME: Derived type.
- `(%compile-time-type-error 'dummy
- ',(type-specifier atype)
- ',(type-specifier value-type)))
- ;; KLUDGE: FILTER-LVAR does not work for non-returning
- ;; functions, so we declare the return type of
- ;; %COMPILE-TIME-TYPE-ERROR to be * and derive the real type
- ;; here.
- (setq value (cast-value cast))
- (derive-node-type (lvar-uses value) *empty-type*)
- (maybe-terminate-block (lvar-uses value) nil)
- ;; FIXME: Is it necessary?
- (aver (null (block-pred (node-block cast))))
- (setf (block-delete-p (node-block cast)) t)
- (return-from ir1-optimize-cast)))
- (when (eq (node-derived-type cast) *empty-type*)
- (maybe-terminate-block cast nil))
-
+ (let ((value (cast-value cast))
+ (atype (cast-asserted-type cast)))
(when (not do-not-optimize)
(let ((lvar (node-lvar cast)))
- (when (values-subtypep value-type (cast-asserted-type cast))
+ (when (values-subtypep (lvar-derived-type value)
+ (cast-asserted-type cast))
(delete-filter cast lvar value)
(when lvar
(reoptimize-lvar lvar)
(immediately-used-p value use))
(unless next-block
(when ctran (ensure-block-start ctran))
- (setq next-block (first (block-succ (node-block cast)))))
+ (setq next-block (first (block-succ (node-block cast))))
+ (ensure-block-start (node-prev cast))
+ (reoptimize-lvar lvar)
+ (setf (lvar-%derived-type value) nil))
(%delete-lvar-use use)
(add-lvar-use use lvar)
(unlink-blocks (node-block use) (node-block cast))
(dolist (use (merges))
(merge-tail-sets use)))))))
- (when (and (cast-%type-check cast)
- (values-subtypep value-type
- (cast-type-to-check cast)))
- (setf (cast-%type-check cast) nil)))
+ (let* ((value-type (lvar-derived-type value))
+ (int (values-type-intersection value-type atype)))
+ (derive-node-type cast int)
+ (when (eq int *empty-type*)
+ (unless (eq value-type *empty-type*)
+
+ ;; FIXME: Do it in one step.
+ (filter-lvar
+ value
+ (if (cast-single-value-p cast)
+ `(list 'dummy)
+ `(multiple-value-call #'list 'dummy)))
+ (filter-lvar
+ (cast-value cast)
+ ;; FIXME: Derived type.
+ `(%compile-time-type-error 'dummy
+ ',(type-specifier atype)
+ ',(type-specifier value-type)))
+ ;; KLUDGE: FILTER-LVAR does not work for non-returning
+ ;; functions, so we declare the return type of
+ ;; %COMPILE-TIME-TYPE-ERROR to be * and derive the real type
+ ;; here.
+ (setq value (cast-value cast))
+ (derive-node-type (lvar-uses value) *empty-type*)
+ (maybe-terminate-block (lvar-uses value) nil)
+ ;; FIXME: Is it necessary?
+ (aver (null (block-pred (node-block cast))))
+ (delete-block-lazily (node-block cast))
+ (return-from ir1-optimize-cast)))
+ (when (eq (node-derived-type cast) *empty-type*)
+ (maybe-terminate-block cast nil))
+
+ (when (and (cast-%type-check cast)
+ (values-subtypep value-type
+ (cast-type-to-check cast)))
+ (setf (cast-%type-check cast) nil))))
(unless do-not-optimize
(setf (node-reoptimize cast) nil)))
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