(defun fun-guessed-cost (name)
(declare (symbol name))
(let ((info (info :function :info name))
- (call-cost (template-cost (template-or-lose 'call-named))))
+ (call-cost (template-cost (template-or-lose 'call-named))))
(if info
- (let ((templates (fun-info-templates info)))
- (if templates
- (template-cost (first templates))
- (case name
- (null (template-cost (template-or-lose 'if-eq)))
- (t call-cost))))
- call-cost)))
+ (let ((templates (fun-info-templates info)))
+ (if templates
+ (template-cost (first templates))
+ (case name
+ (null (template-cost (template-or-lose 'if-eq)))
+ (t call-cost))))
+ call-cost)))
;;; Return some sort of guess for the cost of doing a test against
;;; TYPE. The result need not be precise as long as it isn't way out
(when (eq type *empty-type*)
0)
(let ((check (type-check-template type)))
- (if check
- (template-cost check)
- (let ((found (cdr (assoc type *backend-type-predicates*
- :test #'type=))))
- (if found
- (+ (fun-guessed-cost found) (fun-guessed-cost 'eq))
- nil))))
+ (if check
+ (template-cost check)
+ (let ((found (cdr (assoc type *backend-type-predicates*
+ :test #'type=))))
+ (if found
+ (+ (fun-guessed-cost found) (fun-guessed-cost 'eq))
+ nil))))
(typecase type
- (compound-type
- (reduce #'+ (compound-type-types type) :key 'type-test-cost))
- (member-type
- (* (length (member-type-members type))
- (fun-guessed-cost 'eq)))
- (numeric-type
- (* (if (numeric-type-complexp type) 2 1)
- (fun-guessed-cost
- (if (csubtypep type (specifier-type 'fixnum)) 'fixnump 'numberp))
- (+ 1
- (if (numeric-type-low type) 1 0)
- (if (numeric-type-high type) 1 0))))
- (cons-type
- (+ (type-test-cost (specifier-type 'cons))
- (fun-guessed-cost 'car)
- (type-test-cost (cons-type-car-type type))
- (fun-guessed-cost 'cdr)
- (type-test-cost (cons-type-cdr-type type))))
- (t
- (fun-guessed-cost 'typep)))))
+ (compound-type
+ (reduce #'+ (compound-type-types type) :key 'type-test-cost))
+ (member-type
+ (* (length (member-type-members type))
+ (fun-guessed-cost 'eq)))
+ (numeric-type
+ (* (if (numeric-type-complexp type) 2 1)
+ (fun-guessed-cost
+ (if (csubtypep type (specifier-type 'fixnum)) 'fixnump 'numberp))
+ (+ 1
+ (if (numeric-type-low type) 1 0)
+ (if (numeric-type-high type) 1 0))))
+ (cons-type
+ (+ (type-test-cost (specifier-type 'cons))
+ (fun-guessed-cost 'car)
+ (type-test-cost (cons-type-car-type type))
+ (fun-guessed-cost 'cdr)
+ (type-test-cost (cons-type-cdr-type type))))
+ (t
+ (fun-guessed-cost 'typep)))))
(defun-cached
(weaken-type :hash-bits 8
(declare (type ctype type))
(multiple-value-bind (res count) (values-types type)
(values (mapcar (lambda (type)
- (if (fun-type-p type)
- (specifier-type 'function)
- type))
- res)
- count)))
+ (if (fun-type-p type)
+ (specifier-type 'function)
+ type))
+ res)
+ count)))
;;; Switch to disable check complementing, for evaluation.
(defvar *complement-type-checks* t)
;;; Determines whether CAST's assertion is:
;;; -- checkable by the back end (:SIMPLE), or
-;;; -- not checkable by the back end, but checkable via an explicit
+;;; -- not checkable by the back end, but checkable via an explicit
;;; test in type check conversion (:HAIRY), or
;;; -- not reasonably checkable at all (:TOO-HAIRY).
;;;
(t t))
#+nil
(cond ((or (not dest)
- (policy dest (zerop safety)))
- nil)
- ((basic-combination-p dest)
- (let ((kind (basic-combination-kind dest)))
- (cond
- ((eq cont (basic-combination-fun dest)) t)
- (t
- (ecase kind
- (:local t)
- (:full
- (and (combination-p dest)
- (not (values-subtypep ; explicit THE
- (continuation-externally-checkable-type cont)
- (continuation-type-to-check cont)))))
- ;; :ERROR means that we have an invalid syntax of
- ;; the call and the callee will detect it before
- ;; thinking about types.
- (:error nil)
- (:known
- (let ((info (basic-combination-fun-info dest)))
- (if (fun-info-ir2-convert info)
- t
- (dolist (template (fun-info-templates info) nil)
- (when (eq (template-ltn-policy template)
- :fast-safe)
- (multiple-value-bind (val win)
- (valid-fun-use dest (template-type template))
- (when (or val (not win)) (return t)))))))))))))
- (t t))))
+ (policy dest (zerop safety)))
+ nil)
+ ((basic-combination-p dest)
+ (let ((kind (basic-combination-kind dest)))
+ (cond
+ ((eq cont (basic-combination-fun dest)) t)
+ (t
+ (ecase kind
+ (:local t)
+ (:full
+ (and (combination-p dest)
+ (not (values-subtypep ; explicit THE
+ (continuation-externally-checkable-type cont)
+ (continuation-type-to-check cont)))))
+ ;; :ERROR means that we have an invalid syntax of
+ ;; the call and the callee will detect it before
+ ;; thinking about types.
+ (:error nil)
+ (:known
+ (let ((info (basic-combination-fun-info dest)))
+ (if (fun-info-ir2-convert info)
+ t
+ (dolist (template (fun-info-templates info) nil)
+ (when (eq (template-ltn-policy template)
+ :fast-safe)
+ (multiple-value-bind (val win)
+ (valid-fun-use dest (template-type template))
+ (when (or val (not win)) (return t)))))))))))))
+ (t t))))
;;; Return a lambda form that we can convert to do a hairy type check
;;; of the specified TYPES. TYPES is a list of the format returned by
(setf (cast-%type-check cast) nil)
(let* ((atype (cast-asserted-type cast))
(atype (cond ((not (values-type-p atype))
- atype)
- ((= length 1)
+ atype)
+ ((= length 1)
(single-value-type atype))
(t
- (make-values-type
+ (make-values-type
:required (values-type-out atype length)))))
(dtype (node-derived-type cast))
(dtype (make-values-type
pos)))))))
(cond ((and (ref-p use) (constant-p (ref-leaf use)))
(warn 'type-warning
- :format-control
- "~:[This~;~:*~A~] is not a ~<~%~9T~:;~S:~>~% ~S"
- :format-arguments
- (list what atype-spec
- (constant-value (ref-leaf use)))))
+ :format-control
+ "~:[This~;~:*~A~] is not a ~<~%~9T~:;~S:~>~% ~S"
+ :format-arguments
+ (list what atype-spec
+ (constant-value (ref-leaf use)))))
(t
(warn 'type-warning
- :format-control
- "~:[Result~;~:*~A~] is a ~S, ~<~%~9T~:;not a ~S.~>"
- :format-arguments
- (list what (type-specifier dtype) atype-spec)))))))))
+ :format-control
+ "~:[Result~;~:*~A~] is a ~S, ~<~%~9T~:;not a ~S.~>"
+ :format-arguments
+ (list what (type-specifier dtype) atype-spec)))))))))
(values))
;;; Loop over all blocks in COMPONENT that have TYPE-CHECK set,
(do-blocks (block component)
(when (block-type-check block)
;; CAST-EXTERNALLY-CHECKABLE-P wants the backward pass
- (do-nodes-backwards (node nil block)
+ (do-nodes-backwards (node nil block)
(when (and (cast-p node)
(cast-type-check node))
(cast-check-uses node)
;; the previous pass
(setf (cast-%type-check node) t)
(casts (cons node (not (probable-type-check-p node))))))))
- (setf (block-type-check block) nil)))
+ (setf (block-type-check block) nil)))
(dolist (cast (casts))
(destructuring-bind (cast . force-hairy) cast
(multiple-value-bind (check types)
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