(setf (car args) nil)))
(values))
-(defun handle-nested-dynamic-extent-lvars (dx lvar)
- (let ((uses (lvar-uses lvar)))
- ;; DX value generators must end their blocks: see UPDATE-UVL-LIVE-SETS.
- ;; Uses of mupltiple-use LVARs already end their blocks, so we just need
- ;; to process uses of single-use LVARs.
- (when (node-p uses)
- (node-ends-block uses))
- ;; If this LVAR's USE is good for DX, it is either a CAST, or it
- ;; must be a regular combination whose arguments are potentially DX as well.
- (flet ((recurse (use)
- (etypecase use
- (cast
- (handle-nested-dynamic-extent-lvars dx (cast-value use)))
- (combination
- (loop for arg in (combination-args use)
- when (lvar-good-for-dx-p arg dx)
- append (handle-nested-dynamic-extent-lvars dx arg))))))
- (cons lvar
- (if (listp uses)
- (loop for use in uses
- when (use-good-for-dx-p use dx)
- nconc (recurse use))
- (when (use-good-for-dx-p uses dx)
- (recurse uses)))))))
-
(defun recognize-dynamic-extent-lvars (call fun)
(declare (type combination call) (type clambda fun))
(loop for arg in (basic-combination-args call)
for var in (lambda-vars fun)
- for dx = (lambda-var-dynamic-extent var)
+ for dx = (leaf-dynamic-extent var)
when (and dx arg (not (lvar-dynamic-extent arg)))
append (handle-nested-dynamic-extent-lvars dx arg) into dx-lvars
finally (when dx-lvars
(make-lexenv :default (node-lexenv call)
:cleanup cleanup))
(push entry (lambda-entries (node-home-lambda entry)))
- (dolist (lvar dx-lvars)
- (setf (lvar-dynamic-extent lvar) cleanup)))))
+ (dolist (cell dx-lvars)
+ (setf (lvar-dynamic-extent (cdr cell)) cleanup)))))
(values))
;;; This function handles merging the tail sets if CALL is potentially
,(if (policy *lexenv* (zerop verify-arg-count))
`(declare (ignore ,n-supplied))
`(%verify-arg-count ,n-supplied ,nargs))
- (locally
- (declare (optimize (merge-tail-calls 3)))
- (%funcall ,fun ,@temps)))))
+ (%funcall ,fun ,@temps))))
(optional-dispatch
(let* ((min (optional-dispatch-min-args fun))
(max (optional-dispatch-max-args fun))
do (entries `((eql ,n-supplied ,n)
(%funcall ,(force ep) ,@(subseq temps 0 n)))))
`(lambda (,n-supplied ,@temps)
- ;; FIXME: Make sure that INDEX type distinguishes between
- ;; target and host. (Probably just make the SB!XC:DEFTYPE
- ;; different from CL:DEFTYPE.)
(declare (type index ,n-supplied))
(cond
,@(if more (butlast (entries)) (entries))
;; KLUDGE: (NOT (< ...)) instead of >= avoids one round of
;; deftransforms and lambda-conversion.
`((,(if (zerop min) t `(not (< ,n-supplied ,max)))
- ,(let ((n-context (gensym))
- (n-count (gensym)))
+ ,(with-unique-names (n-context n-count)
`(multiple-value-bind (,n-context ,n-count)
(%more-arg-context ,n-supplied ,max)
- (locally
- (declare (optimize (merge-tail-calls 3)))
- (%funcall ,more ,@temps ,n-context ,n-count)))))))
+ (%funcall ,more ,@temps ,n-context ,n-count))))))
(t
(%arg-count-error ,n-supplied)))))))))
(declare (type functional fun))
(aver (null (functional-entry-fun fun)))
(with-ir1-environment-from-node (lambda-bind (main-entry fun))
- (let ((res (ir1-convert-lambda (make-xep-lambda-expression fun)
+ (let ((xep (ir1-convert-lambda (make-xep-lambda-expression fun)
:debug-name (debug-name
- 'xep (leaf-debug-name fun)))))
- (setf (functional-kind res) :external
- (leaf-ever-used res) t
- (functional-entry-fun res) fun
- (functional-entry-fun fun) res
+ 'xep (leaf-debug-name fun))
+ :system-lambda t)))
+ (setf (functional-kind xep) :external
+ (leaf-ever-used xep) t
+ (functional-entry-fun xep) fun
+ (functional-entry-fun fun) xep
(component-reanalyze *current-component*) t)
(reoptimize-component *current-component* :maybe)
- (etypecase fun
- (clambda
- (locall-analyze-fun-1 fun))
- (optional-dispatch
- (dolist (ep (optional-dispatch-entry-points fun))
- (locall-analyze-fun-1 (force ep)))
- (when (optional-dispatch-more-entry fun)
- (locall-analyze-fun-1 (optional-dispatch-more-entry fun)))))
- res)))
+ (locall-analyze-xep-entry-point fun)
+ xep)))
+
+(defun locall-analyze-xep-entry-point (fun)
+ (declare (type functional fun))
+ (etypecase fun
+ (clambda
+ (locall-analyze-fun-1 fun))
+ (optional-dispatch
+ (dolist (ep (optional-dispatch-entry-points fun))
+ (locall-analyze-fun-1 (force ep)))
+ (when (optional-dispatch-more-entry fun)
+ (locall-analyze-fun-1 (optional-dispatch-more-entry fun))))))
;;; Notice a REF that is not in a local-call context. If the REF is
;;; already to an XEP, then do nothing, otherwise change it to the
(declare (type ref ref) (type mv-combination call) (type functional fun))
(when (and (looks-like-an-mv-bind fun)
(singleton-p (leaf-refs fun))
- (singleton-p (basic-combination-args call)))
+ (singleton-p (basic-combination-args call))
+ (not (functional-entry-fun fun)))
(let* ((*current-component* (node-component ref))
(ep (optional-dispatch-entry-point-fun
fun (optional-dispatch-max-args fun))))
(when (null (leaf-refs ep))
(aver (= (optional-dispatch-min-args fun) 0))
- (aver (not (functional-entry-fun fun)))
(setf (basic-combination-kind call) :local)
(sset-adjoin ep (lambda-calls-or-closes (node-home-lambda call)))
(merge-tail-sets call ep)
;;; function that rearranges the arguments and calls the entry point.
;;; We analyze the new function and the entry point immediately so
;;; that everything gets converted during the single pass.
-(defun convert-hairy-fun-entry (ref call entry vars ignores args)
+(defun convert-hairy-fun-entry (ref call entry vars ignores args indef)
(declare (list vars ignores args) (type ref ref) (type combination call)
(type clambda entry))
(let ((new-fun
(with-ir1-environment-from-node call
(ir1-convert-lambda
`(lambda ,vars
- (declare (ignorable ,@ignores))
+ (declare (ignorable ,@ignores)
+ (indefinite-extent ,@indef))
(%funcall ,entry ,@args))
:debug-name (debug-name 'hairy-function-entry
(lvar-fun-debug-name
- (basic-combination-fun call)))))))
+ (basic-combination-fun call)))
+ :system-lambda t))))
(convert-call ref call new-fun)
(dolist (ref (leaf-refs entry))
(convert-call-if-possible ref (lvar-dest (node-lvar ref))))))
(call-args t)))
(:rest
(call-args `(list ,@more-temps))
+ ;; &REST arguments may be accompanied by extra
+ ;; context and count arguments. We know this by
+ ;; the ARG-INFO-DEFAULT. Supply 0 and 0 or
+ ;; don't convert at all depending.
+ (let ((more (arg-info-default info)))
+ (when more
+ (unless (eq t more)
+ (destructuring-bind (context count &optional used) more
+ (declare (ignore context count))
+ (when used
+ ;; We've already converted to use the more context
+ ;; instead of the rest list.
+ (return-from convert-more-call))))
+ (call-args 0)
+ (call-args 0)
+ (setf (arg-info-default info) t)))
(return))
(:keyword
(return)))
(convert-hairy-fun-entry ref call (optional-dispatch-main-entry fun)
(append temps more-temps)
- (ignores) (call-args)))))
+ (ignores) (call-args)
+ more-temps))))
(values))
\f
projects / sbcl.git / blobdiff