1 ;;;; tests that dynamic-extent functionality works.
3 ;;;; This software is part of the SBCL system. See the README file for
6 ;;;; While most of SBCL is derived from the CMU CL system, the test
7 ;;;; files (like this one) were written from scratch after the fork
10 ;;;; This software is in the public domain and is provided with
11 ;;;; absolutely no warranty. See the COPYING and CREDITS files for
12 ;;;; more information.
14 (when (eq sb-ext:*evaluator-mode* :interpret)
15 (sb-ext:quit :unix-status 104))
17 (load "compiler-test-util.lisp")
20 (setq sb-c::*check-consistency* t
21 sb-ext:*stack-allocate-dynamic-extent* t)
23 (defmacro defun-with-dx (name arglist &body body)
24 `(defun ,name ,arglist
27 (declaim (notinline opaque-identity))
28 (defun opaque-identity (x)
33 (defun-with-dx dxlength (&rest rest)
34 (declare (dynamic-extent rest))
37 (with-test (:name (:dx-&rest :basics))
38 (assert (= (dxlength 1 2 3) 3))
39 (assert (= (dxlength t t t t t t) 6))
40 (assert (= (dxlength) 0)))
43 (destructuring-bind (a b c d e f &rest g) list
44 (+ a b c d e f (length g))))
46 (defun-with-dx dxcaller (&rest rest)
47 (declare (dynamic-extent rest))
50 (with-test (:name (:dx-&rest :pass-down-to-callee :tail-call))
51 (assert (= (dxcaller 1 2 3 4 5 6 7) 22)))
53 (defun-with-dx dxcaller-align-1 (x &rest rest)
54 (declare (dynamic-extent rest))
57 (with-test (:name (:dx-&rest :pass-down-to-callee :non-tail-call))
58 (assert (= (dxcaller-align-1 17 1 2 3 4 5 6 7) 39))
59 (assert (= (dxcaller-align-1 17 1 2 3 4 5 6 7 8) 40)))
63 (defun-with-dx test-nip-values ()
64 (flet ((bar (x &rest y)
65 (declare (dynamic-extent y))
69 (multiple-value-call #'values
73 (with-test (:name (:nip-values))
74 (assert (equal (multiple-value-list (test-nip-values)) '(1 5 a))))
76 ;;; LET-variable substitution
78 (defun-with-dx test-let-var-subst1 (x)
79 (let ((y (list x (1- x))))
80 (opaque-identity :foo)
81 (let ((z (the list y)))
82 (declare (dynamic-extent z))
85 (with-test (:name (:let-variable-substitution))
86 (assert (eql (test-let-var-subst1 17) 2)))
88 (defun-with-dx test-let-var-subst2 (x)
89 (let ((y (list x (1- x))))
90 (declare (dynamic-extent y))
91 (opaque-identity :foo)
92 (let ((z (the list y)))
95 (with-test (:name (:let-variable-substitution-2))
96 (assert (eql (test-let-var-subst2 17) 2)))
99 ;;; DX propagation through LET-return.
101 (defun-with-dx test-lvar-subst (x)
102 (let ((y (list x (1- x))))
103 (declare (dynamic-extent y))
104 (second (let ((z (the list y)))
105 (opaque-identity :foo)
108 (with-test (:name (:dx-propagation-through-let-return))
109 (assert (eql (test-lvar-subst 11) 10)))
111 ;;; this code is incorrect, but the compiler should not fail
112 (defun-with-dx test-let-var-subst-incorrect (x)
113 (let ((y (list x (1- x))))
114 (opaque-identity :foo)
115 (let ((z (the list y)))
116 (declare (dynamic-extent z))
117 (opaque-identity :bar)
123 (defun-with-dx test-alignment-dx-list (form)
124 (multiple-value-prog1 (eval form)
125 (let ((l (list 1 2 3 4)))
126 (declare (dynamic-extent l))
127 (setq *x* (copy-list l)))))
129 (with-test (:name (:dx-list :alignment))
131 (let* ((res (loop for i below n collect i))
132 (form `(values ,@res)))
133 (assert (equal (multiple-value-list (test-alignment-dx-list form)) res))
134 (assert (equal *x* '(1 2 3 4))))))
138 (declaim (notinline true))
143 (defun-with-dx dxclosure (x)
146 (declare (dynamic-extent #'f))
149 (with-test (:name (:dx-closure))
150 (assert (eq t (dxclosure 13))))
154 (defun-with-dx dx-value-cell (x)
155 ;; Not implemented everywhere, yet.
156 #+(or x86 x86-64 mips hppa)
158 (declare (sb-int:truly-dynamic-extent cell))
161 (declare (dynamic-extent #'f))
166 (defun-with-dx cons-on-stack (x)
167 (let ((cons (cons x x)))
168 (declare (dynamic-extent cons))
174 (defun force-make-array-on-stack (n)
175 (declare (optimize safety))
176 (let ((v (make-array (min n 1))))
177 (declare (sb-int:truly-dynamic-extent v))
181 (defun-with-dx make-array-on-stack-1 ()
182 (let ((v (make-array '(42) :element-type 'single-float)))
183 (declare (dynamic-extent v))
187 (defun-with-dx make-array-on-stack-2 (n x)
188 (declare (integer n))
189 (let ((v (make-array n :initial-contents x)))
190 (declare (sb-int:truly-dynamic-extent v))
194 (defun-with-dx make-array-on-stack-3 (x y z)
195 (let ((v (make-array 3
196 :element-type 'fixnum :initial-contents (list x y z)
197 :element-type t :initial-contents x)))
198 (declare (sb-int:truly-dynamic-extent v))
202 (defun-with-dx make-array-on-stack-4 ()
203 (let ((v (make-array 3 :initial-contents '(1 2 3))))
204 (declare (sb-int:truly-dynamic-extent v))
208 (defun-with-dx make-array-on-stack-5 ()
209 (let ((v (make-array 3 :initial-element 12 :element-type t)))
210 (declare (sb-int:truly-dynamic-extent v))
214 (defun-with-dx vector-on-stack (x y)
215 (let ((v (vector 1 x 2 y 3)))
216 (declare (sb-int:truly-dynamic-extent v))
222 (declaim (inline make-fp-struct-1))
223 (defstruct fp-struct-1
224 (s 0.0 :type single-float)
225 (d 0.0d0 :type double-float))
227 (defun-with-dx test-fp-struct-1.1 (s d)
228 (let ((fp (make-fp-struct-1 :s s)))
229 (declare (dynamic-extent fp))
230 (assert (eql s (fp-struct-1-s fp)))
231 (assert (eql 0.0d0 (fp-struct-1-d fp)))))
233 (defun-with-dx test-fp-struct-1.2 (s d)
234 (let ((fp (make-fp-struct-1 :d d)))
235 (declare (dynamic-extent fp))
236 (assert (eql 0.0 (fp-struct-1-s fp)))
237 (assert (eql d (fp-struct-1-d fp)))))
239 (defun-with-dx test-fp-struct-1.3 (s d)
240 (let ((fp (make-fp-struct-1 :d d :s s)))
241 (declare (dynamic-extent fp))
242 (assert (eql s (fp-struct-1-s fp)))
243 (assert (eql d (fp-struct-1-d fp)))))
245 (defun-with-dx test-fp-struct-1.4 (s d)
246 (let ((fp (make-fp-struct-1 :s s :d d)))
247 (declare (dynamic-extent fp))
248 (assert (eql s (fp-struct-1-s fp)))
249 (assert (eql d (fp-struct-1-d fp)))))
251 (with-test (:name (:test-fp-struct-1.1))
252 (test-fp-struct-1.1 123.456 876.243d0))
253 (with-test (:name (:test-fp-struct-1.2))
254 (test-fp-struct-1.2 123.456 876.243d0))
255 (with-test (:name (:test-fp-struct-1.3))
256 (test-fp-struct-1.3 123.456 876.243d0))
257 (with-test (:name (:test-fp-struct-1.4))
258 (test-fp-struct-1.4 123.456 876.243d0))
260 (declaim (inline make-fp-struct-2))
261 (defstruct fp-struct-2
262 (d 0.0d0 :type double-float)
263 (s 0.0 :type single-float))
265 (defun-with-dx test-fp-struct-2.1 (s d)
266 (let ((fp (make-fp-struct-2 :s s)))
267 (declare (dynamic-extent fp))
268 (assert (eql s (fp-struct-2-s fp)))
269 (assert (eql 0.0d0 (fp-struct-2-d fp)))))
271 (defun-with-dx test-fp-struct-2.2 (s d)
272 (let ((fp (make-fp-struct-2 :d d)))
273 (declare (dynamic-extent fp))
274 (assert (eql 0.0 (fp-struct-2-s fp)))
275 (assert (eql d (fp-struct-2-d fp)))))
277 (defun-with-dx test-fp-struct-2.3 (s d)
278 (let ((fp (make-fp-struct-2 :d d :s s)))
279 (declare (dynamic-extent fp))
280 (assert (eql s (fp-struct-2-s fp)))
281 (assert (eql d (fp-struct-2-d fp)))))
283 (defun-with-dx test-fp-struct-2.4 (s d)
284 (let ((fp (make-fp-struct-2 :s s :d d)))
285 (declare (dynamic-extent fp))
286 (assert (eql s (fp-struct-2-s fp)))
287 (assert (eql d (fp-struct-2-d fp)))))
289 (with-test (:name (:test-fp-struct-2.1))
290 (test-fp-struct-2.1 123.456 876.243d0))
291 (with-test (:name (:test-fp-struct-2.2))
292 (test-fp-struct-2.2 123.456 876.243d0))
293 (with-test (:name (:test-fp-struct-2.3))
294 (test-fp-struct-2.3 123.456 876.243d0))
295 (with-test (:name (:test-fp-struct-2.4))
296 (test-fp-struct-2.4 123.456 876.243d0))
298 (declaim (inline make-cfp-struct-1))
299 (defstruct cfp-struct-1
300 (s (complex 0.0) :type (complex single-float))
301 (d (complex 0.0d0) :type (complex double-float)))
303 (defun-with-dx test-cfp-struct-1.1 (s d)
304 (let ((cfp (make-cfp-struct-1 :s s)))
305 (declare (dynamic-extent cfp))
306 (assert (eql s (cfp-struct-1-s cfp)))
307 (assert (eql (complex 0.0d0) (cfp-struct-1-d cfp)))))
309 (defun-with-dx test-cfp-struct-1.2 (s d)
310 (let ((cfp (make-cfp-struct-1 :d d)))
311 (declare (dynamic-extent cfp))
312 (assert (eql (complex 0.0) (cfp-struct-1-s cfp)))
313 (assert (eql d (cfp-struct-1-d cfp)))))
315 (defun-with-dx test-cfp-struct-1.3 (s d)
316 (let ((cfp (make-cfp-struct-1 :d d :s s)))
317 (declare (dynamic-extent cfp))
318 (assert (eql s (cfp-struct-1-s cfp)))
319 (assert (eql d (cfp-struct-1-d cfp)))))
321 (defun-with-dx test-cfp-struct-1.4 (s d)
322 (let ((cfp (make-cfp-struct-1 :s s :d d)))
323 (declare (dynamic-extent cfp))
324 (assert (eql s (cfp-struct-1-s cfp)))
325 (assert (eql d (cfp-struct-1-d cfp)))))
327 (with-test (:name (:test-cfp-struct-1.1))
328 (test-cfp-struct-1.1 (complex 0.123 123.456) (complex 908132.41d0 876.243d0)))
329 (with-test (:name (:test-cfp-struct-1.2))
330 (test-cfp-struct-1.2 (complex 0.123 123.456) (complex 908132.41d0 876.243d0)))
331 (with-test (:name (:test-cfp-struct-1.3))
332 (test-cfp-struct-1.3 (complex 0.123 123.456) (complex 908132.41d0 876.243d0)))
333 (with-test (:name (:test-cfp-struct-1.4))
334 (test-cfp-struct-1.4 (complex 0.123 123.456) (complex 908132.41d0 876.243d0)))
336 (declaim (inline make-cfp-struct-2))
337 (defstruct cfp-struct-2
338 (d (complex 0.0d0) :type (complex double-float))
339 (s (complex 0.0) :type (complex single-float)))
341 (defun-with-dx test-cfp-struct-2.1 (s d)
342 (let ((cfp (make-cfp-struct-2 :s s)))
343 (declare (dynamic-extent cfp))
344 (assert (eql s (cfp-struct-2-s cfp)))
345 (assert (eql (complex 0.0d0) (cfp-struct-2-d cfp)))))
347 (defun-with-dx test-cfp-struct-2.2 (s d)
348 (let ((cfp (make-cfp-struct-2 :d d)))
349 (declare (dynamic-extent cfp))
350 (assert (eql (complex 0.0) (cfp-struct-2-s cfp)))
351 (assert (eql d (cfp-struct-2-d cfp)))))
353 (defun-with-dx test-cfp-struct-2.3 (s d)
354 (let ((cfp (make-cfp-struct-2 :d d :s s)))
355 (declare (dynamic-extent cfp))
356 (assert (eql s (cfp-struct-2-s cfp)))
357 (assert (eql d (cfp-struct-2-d cfp)))))
359 (defun-with-dx test-cfp-struct-2.4 (s d)
360 (let ((cfp (make-cfp-struct-2 :s s :d d)))
361 (declare (dynamic-extent cfp))
362 (assert (eql s (cfp-struct-2-s cfp)))
363 (assert (eql d (cfp-struct-2-d cfp)))))
365 (with-test (:name (:test-cfp-struct-2.1))
366 (test-cfp-struct-2.1 (complex 0.123 123.456) (complex 908132.41d0 876.243d0)))
367 (with-test (:name (:test-cfp-struct-2.2))
368 (test-cfp-struct-2.2 (complex 0.123 123.456) (complex 908132.41d0 876.243d0)))
369 (with-test (:name (:test-cfp-struct-2.3))
370 (test-cfp-struct-2.3 (complex 0.123 123.456) (complex 908132.41d0 876.243d0)))
371 (with-test (:name (:test-cfp-struct-2.4))
372 (test-cfp-struct-2.4 (complex 0.123 123.456) (complex 908132.41d0 876.243d0)))
374 (declaim (inline make-foo1 make-foo2 make-foo3))
377 (defun-with-dx make-foo1-on-stack (x)
378 (let ((foo (make-foo1 :x x)))
379 (declare (dynamic-extent foo))
380 (assert (eql x (foo1-x foo)))))
383 (x 0.0 :type single-float)
384 (y 0.0d0 :type double-float)
389 (defun-with-dx make-foo2-on-stack (x y)
390 (let ((foo (make-foo2 :y y :c 'c)))
391 (declare (dynamic-extent foo))
392 (assert (eql 0.0 (foo2-x foo)))
393 (assert (eql y (foo2-y foo)))
394 (assert (eql 'c (foo2-c foo)))
395 (assert (eql nil (foo2-b foo)))))
397 ;;; Check that constants work out as argument for all relevant
402 (c 2 :type sb-vm:word)
403 (d 3.0 :type single-float)
404 (e 4.0d0 :type double-float))
406 (defun-with-dx make-foo3-on-stack ()
407 (let ((foo (make-foo3)))
408 (declare (dynamic-extent foo))
409 (assert (eql 0 (foo3-a foo)))
410 (assert (eql 1 (foo3-b foo)))
411 (assert (eql 2 (foo3-c foo)))
412 (assert (eql 3.0 (foo3-d foo)))
413 (assert (eql 4.0d0 (foo3-e foo)))))
417 (defun-with-dx nested-dx-lists ()
418 (let ((dx (list (list 1 2) (list 3 4))))
419 (declare (dynamic-extent dx))
423 (defun-with-dx nested-dx-conses ()
424 (let ((dx (cons 1 (cons 2 (cons 3 (cons (cons t t) nil))))))
425 (declare (dynamic-extent dx))
429 (defun-with-dx nested-dx-not-used (x)
431 (let ((l (setf (car x) (list x x x))))
432 (declare (dynamic-extent l))
437 (defun-with-dx nested-evil-dx-used (x)
439 (let ((l (list x x x)))
440 (declare (dynamic-extent l))
448 (defparameter *bar* nil)
449 (declaim (inline make-nested-bad make-nested-good))
450 (defstruct (nested (:constructor make-nested-bad (&key bar &aux (bar (setf *bar* bar))))
451 (:constructor make-nested-good (&key bar)))
454 (defun-with-dx nested-good (y)
455 (let ((x (list (list (make-nested-good :bar (list (list (make-nested-good :bar (list y)))))))))
456 (declare (dynamic-extent x))
459 (defun-with-dx nested-bad (y)
460 (let ((x (list (list (make-nested-bad :bar (list (list (make-nested-bad :bar (list y)))))))))
461 (declare (dynamic-extent x))
462 (unless (equalp (caar x) (make-nested-good :bar *bar*))
463 (error "got ~S, wanted ~S" (caar x) (make-nested-good :bar *bar*)))
466 (with-test (:name :conservative-nested-dx)
467 ;; NESTED-BAD should not stack-allocate :BAR due to the SETF.
468 (assert (equalp (nested-bad 42) (make-nested-good :bar *bar*)))
469 (assert (equalp *bar* (list (list (make-nested-bad :bar (list 42)))))))
471 ;;; multiple uses for dx lvar
473 (defun-with-dx multiple-dx-uses ()
474 (let ((dx (if (true t)
477 (declare (dynamic-extent dx))
481 ;;; handler-case and handler-bind should use DX internally
483 (defun dx-handler-bind (x)
484 (handler-bind ((error
486 (break "OOPS: ~S caused ~S" x c)))
487 ((and serious-condition (not error))
489 (break "OOPS2: ~S did ~S" x c))))
492 (defun dx-handler-case (x)
493 (assert (zerop (handler-case (/ 2 x)
495 (break "OOPS: ~S caused ~S" x c)
500 (defvar *a-cons* (cons nil nil))
502 (with-test (:name (:no-consing :dx-closures) :skipped-on '(not :stack-allocatable-closures))
503 (assert-no-consing (dxclosure 42)))
505 (with-test (:name (:no-consing :dx-lists) :skipped-on '(not :stack-allocatable-lists))
506 (assert-no-consing (dxlength 1 2 3))
507 (assert-no-consing (dxlength t t t t t t))
508 (assert-no-consing (dxlength))
509 (assert-no-consing (dxcaller 1 2 3 4 5 6 7))
510 (assert-no-consing (test-nip-values))
511 (assert-no-consing (test-let-var-subst2 17))
512 (assert-no-consing (test-lvar-subst 11))
513 (assert-no-consing (nested-dx-lists))
514 (assert-consing (nested-dx-not-used *a-cons*))
515 (assert-no-consing (nested-evil-dx-used *a-cons*))
516 (assert-no-consing (multiple-dx-uses)))
518 (with-test (:name (:no-consing :dx-value-cell))
519 (assert-no-consing (dx-value-cell 13)))
521 (with-test (:name (:no-consing :dx-fixed-objects) :skipped-on '(not :stack-allocatable-fixed-objects))
522 (assert-no-consing (cons-on-stack 42))
523 (assert-no-consing (make-foo1-on-stack 123))
524 (assert-no-consing (nested-good 42))
525 (assert-no-consing (nested-dx-conses))
526 (assert-no-consing (dx-handler-bind 2))
527 (assert-no-consing (dx-handler-case 2)))
529 (with-test (:name (:no-consing :dx-vectors) :skipped-on '(not :stack-allocatable-vectors))
530 (assert-no-consing (force-make-array-on-stack 128))
531 (assert-no-consing (make-array-on-stack-1))
532 (assert-no-consing (make-array-on-stack-2 5 '(1 2.0 3 4.0 5)))
533 (assert-no-consing (make-array-on-stack-3 9 8 7))
534 (assert-no-consing (make-array-on-stack-4))
535 (assert-no-consing (make-array-on-stack-5))
536 (assert-no-consing (vector-on-stack :x :y)))
538 (with-test (:name (:no-consing :dx-raw-instances) :fails-on :ppc :skipped-on '(not :raw-instance-init-vops))
540 (setf a 1.24 b 1.23d0)
541 (assert-no-consing (make-foo2-on-stack a b)))
542 (assert-no-consing (make-foo3-on-stack)))
544 ;;; not really DX, but GETHASH and (SETF GETHASH) should not cons
546 (defvar *table* (make-hash-table))
548 (defun test-hash-table ()
549 (setf (gethash 5 *table*) 13)
552 ;; This fails on threaded PPC because the hash-table implementation
553 ;; uses recursive system spinlocks, which cons (see below for test
554 ;; (:no-consing :spinlock), which also fails on threaded PPC).
555 (with-test (:name (:no-consing :hash-tables) :fails-on '(and :ppc :sb-thread))
556 (assert-no-consing (test-hash-table)))
558 ;;; with-spinlock and with-mutex should use DX and not cons
560 (defvar *slock* (sb-thread::make-spinlock :name "slocklock"))
562 (defun test-spinlock ()
563 (sb-thread::with-spinlock (*slock*)
566 (defvar *mutex* (sb-thread::make-mutex :name "mutexlock"))
569 (sb-thread:with-mutex (*mutex*)
572 (with-test (:name (:no-consing :mutex) :fails-on :ppc :skipped-on '(not :sb-thread))
573 (assert-no-consing (test-mutex)))
575 (with-test (:name (:no-consing :spinlock) :fails-on :ppc :skipped-on '(not :sb-thread))
576 (assert-no-consing (test-spinlock)))
580 ;;; Bugs found by Paul F. Dietz
582 (with-test (:name (:dx-bug-misc :pfdietz))
589 (declare (optimize (speed 2) (space 0) (safety 0)
590 (debug 1) (compilation-speed 3)))
591 (let* ((v5 (cons b b)))
592 (declare (dynamic-extent v5))
597 ;;; bug reported by Svein Ove Aas
598 (defun svein-2005-ii-07 (x y)
599 (declare (optimize (speed 3) (space 2) (safety 0) (debug 0)))
600 (let ((args (list* y 1 2 x)))
601 (declare (dynamic-extent args))
602 (apply #'aref args)))
604 (with-test (:name (:dx-bugs-misc :svein-2005-ii-07))
608 #3A(((1 1 1) (1 1 1) (1 1 1))
609 ((1 1 1) (1 1 1) (4 1 1))
610 ((1 1 1) (1 1 1) (1 1 1))))
613 ;;; bug reported by Brian Downing: stack-allocated arrays were not
614 ;;; filled with zeroes.
615 (defun-with-dx bdowning-2005-iv-16 ()
616 (let ((a (make-array 11 :initial-element 0)))
617 (declare (dynamic-extent a))
618 (assert (every (lambda (x) (eql x 0)) a))))
620 (with-test (:name (:dx-bug-misc :bdowning-2005-iv-16))
621 #+(or hppa mips x86 x86-64)
622 (assert-no-consing (bdowning-2005-iv-16))
623 (bdowning-2005-iv-16))
625 (declaim (inline my-nconc))
626 (defun-with-dx my-nconc (&rest lists)
627 (declare (dynamic-extent lists))
628 (apply #'nconc lists))
629 (defun-with-dx my-nconc-caller (a b c)
630 (let ((l1 (list a b c))
633 (with-test (:name :rest-stops-the-buck)
634 (let ((list1 (my-nconc-caller 1 2 3))
635 (list2 (my-nconc-caller 9 8 7)))
636 (assert (equal list1 '(1 2 3 1 2 3)))
637 (assert (equal list2 '(9 8 7 9 8 7)))))
639 (defun-with-dx let-converted-vars-dx-allocated-bug (x y z)
640 (let* ((a (list x y z))
643 (declare (dynamic-extent c))
644 (values (first c) (second c))))
645 (with-test (:name :let-converted-vars-dx-allocated-bug)
646 (multiple-value-bind (i j) (let-converted-vars-dx-allocated-bug 1 2 3)
647 (assert (and (equal i j)
648 (equal i (list 1 2 3))))))
650 ;;; workaround for bug 419 -- real issue remains, but check that the
652 (defun-with-dx bug419 (x)
653 (multiple-value-call #'list
654 (eval '(values 1 2 3))
656 (declare (dynamic-extent x))
661 (declare (dynamic-extent #'mget #'mset))
662 ((lambda (f g) (eval `(progn ,f ,g (values 4 5 6)))) #'mget #'mset)))))
664 (with-test (:name (:dx-bug-misc :bug419))
665 (assert (equal (bug419 42) '(1 2 3 4 5 6))))
667 ;;; Multiple DX arguments in a local function call
668 (defun test-dx-flet-test (fun n f1 f2 f3)
669 (let ((res (with-output-to-string (s)
670 (assert (eql n (ignore-errors (funcall fun s)))))))
671 (multiple-value-bind (x pos) (read-from-string res nil)
672 (assert (equalp f1 x))
673 (multiple-value-bind (y pos2) (read-from-string res nil nil :start pos)
674 (assert (equalp f2 y))
675 (assert (equalp f3 (read-from-string res nil nil :start pos2))))))
676 #+(or hppa mips x86 x86-64)
677 (assert-no-consing (assert (eql n (funcall fun nil))))
678 (assert (eql n (funcall fun nil))))
680 (macrolet ((def (n f1 f2 f3)
681 (let ((name (sb-pcl::format-symbol :cl-user "DX-FLET-TEST.~A" n)))
683 (defun-with-dx ,name (s)
685 (declare (dynamic-extent x))
694 (with-test (:name (:dx-flet-test ,n))
695 (test-dx-flet-test #',name ,n ,f1 ,f2 ,f3))))))
696 (def 0 (list :one) (list :two) (list :three))
697 (def 1 (make-array 128) (list 1 2 3 4 5 6 7 8) (list 'list))
698 (def 2 (list 1) (list 2 3) (list 4 5 6 7)))
700 ;;; Test that unknown-values coming after a DX value won't mess up the
702 (defun test-update-uvl-live-sets (x y z)
703 (declare (optimize speed (safety 0)))
705 (declare (dynamic-extent a))
706 (eval `(list (length ',a) ',b))))
708 (bar (list x y z) ; dx push
710 (multiple-value-call 'list
711 (eval '(values 1 2 3)) ; uv push
717 (with-test (:name (:update-uvl-live-sets))
718 (assert (equal '((0 4) (3 ((1 2 3 5) 14)))
719 (test-update-uvl-live-sets #() 4 5))))
721 (with-test (:name :regression-1.0.23.38)
722 (compile nil '(lambda ()
724 (let ((res (cons x x)))
727 (declaim (inline make))
728 (let ((z (make 1 2)))
729 (declare (dynamic-extent z))
732 (compile nil '(lambda ()
734 (let ((res (cons x x)))
737 (declaim (inline make))
738 (let ((z (make 1 2)))
739 (declare (dynamic-extent z))
743 ;;; On x86 and x86-64 upto 1.0.28.16 LENGTH and WORDS argument
744 ;;; tns to ALLOCATE-VECTOR-ON-STACK could be packed in the same
745 ;;; location, leading to all manner of badness. ...reproducing this
746 ;;; reliably is hard, but this it at least used to break on x86-64.
747 (defun length-and-words-packed-in-same-tn (m)
748 (declare (optimize speed (safety 0) (debug 0) (space 0)))
749 (let ((array (make-array (max 1 m) :element-type 'fixnum)))
750 (declare (dynamic-extent array))
751 (array-total-size array)))
752 (with-test (:name :length-and-words-packed-in-same-tn)
753 (assert (= 1 (length-and-words-packed-in-same-tn -3))))
755 (with-test (:name :handler-case-bogus-compiler-note :fails-on :ppc)
757 ((compiler-note (lambda (note)
758 (error "compiler issued note ~S during test" note))))
759 ;; Taken from SWANK, used to signal a bogus stack allocation
762 `(lambda (files fasl-dir load)
763 (let ((needs-recompile nil))
765 (let ((dest (binary-pathname src fasl-dir)))
768 (when (or needs-recompile
769 (not (probe-file dest))
770 (file-newer-p src dest))
771 (setq needs-recompile t)
772 (ensure-directories-exist dest)
773 (compile-file src :output-file dest :print nil :verbose t))
775 (load dest :verbose t)))
776 (serious-condition (c)
777 (handle-loadtime-error c dest))))))))))
779 (declaim (inline foovector barvector))
780 (defun foovector (x y z)
781 (let ((v (make-array 3)))
786 (defun barvector (x y z)
787 (make-array 3 :initial-contents (list x y z)))
788 (with-test (:name :dx-compiler-notes :fails-on :ppc)
789 (flet ((assert-notes (j lambda)
791 (handler-bind ((compiler-note (lambda (c)
796 (error "Wanted ~S notes, got ~S for~% ~S"
798 ;; These ones should complain.
799 (assert-notes 1 `(lambda (x)
800 (let ((v (make-array x)))
801 (declare (dynamic-extent v))
803 (assert-notes 2 `(lambda (x)
804 (let ((y (if (plusp x)
807 (declare (dynamic-extent y))
810 (assert-notes 1 `(lambda (x)
811 (let ((y (foovector x x x)))
812 (declare (sb-int:truly-dynamic-extent y))
815 ;; These ones should not complain.
816 (assert-notes 0 `(lambda (name)
818 ((posix-getenv (function c-string c-string)
821 (alien-funcall posix-getenv name)))))
822 (assert-notes 0 `(lambda (x)
823 (let ((y (barvector x x x)))
824 (declare (dynamic-extent y))
827 (assert-notes 0 `(lambda (list)
828 (declare (optimize (space 0)))
830 (assert-notes 0 `(lambda (other)
832 (ignore-errors (funcall other s c n)))))))
834 ;;; Stack allocating a value cell in HANDLER-CASE would blow up stack
835 ;;; in an unfortunate loop.
836 (defun handler-case-eating-stack ()
838 (do ((n 0 (logand most-positive-fixnum (1+ n))))
840 (multiple-value-bind (value error) (ignore-errors)
841 (when (and value error) nil))
843 (assert (= sp (sb-c::%primitive sb-c:current-stack-pointer)))
844 (setf sp (sb-c::%primitive sb-c:current-stack-pointer))))))
845 (with-test (:name :handler-case-eating-stack :fails-on :ppc)
846 (assert-no-consing (handler-case-eating-stack)))
848 ;;; A nasty bug where RECHECK-DYNAMIC-EXTENT-LVARS thought something was going
849 ;;; to be stack allocated when it was not, leading to a bogus %NIP-VALUES.
850 ;;; Fixed by making RECHECK-DYNAMIC-EXTENT-LVARS deal properly with nested DX.
852 `(simple-array single-float (3)))
853 (declaim (ftype (function (t t t) vec) vec))
854 (declaim (inline vec))
856 (make-array 3 :element-type 'single-float :initial-contents (list a b c)))
858 (declare (type vec vec))
860 (let ((vec (vec (aref vec 0) (aref vec 1) (aref vec 2))))
861 (declare (dynamic-extent vec))
863 (with-test (:name :recheck-nested-dx-bug :fails-on :ppc)
864 (assert (funcall (bad-boy (vec 1.0 2.0 3.3))
865 (lambda (vec) (equalp vec (vec 1.0 2.0 3.3)))))
866 (flet ((foo (x) (declare (ignore x))))
867 (let ((bad-boy (bad-boy (vec 2.0 3.0 4.0))))
868 (assert-no-consing (funcall bad-boy #'foo)))))
870 (with-test (:name :bug-497321)
871 (flet ((test (lambda type)
873 (handler-bind ((condition (lambda (c)
875 (unless (typep c type)
876 (error "wanted ~S for~% ~S~%got ~S"
877 type lambda (type-of c))))))
878 (compile nil lambda))
880 (test `(lambda () (declare (dynamic-extent #'bar)))
882 (test `(lambda () (declare (dynamic-extent bar)))
884 (test `(lambda (bar) (cons bar (lambda () (declare (dynamic-extent bar)))))
885 'sb-ext:compiler-note)
888 (cons #'bar (lambda () (declare (dynamic-extent #'bar))))))
889 'sb-ext:compiler-note)))
891 (with-test (:name :bug-586105 :fails-on '(not (and :stack-allocatable-vectors
892 :stack-allocatable-lists)))
894 (let ((vec (make-array 1 :initial-contents (list (list x)))))
895 (declare (dynamic-extent vec))
896 (assert (eql x (car (aref vec 0)))))))
897 (assert-no-consing (test 42))))
900 (declare (optimize speed))
903 (declare (dynamic-extent #'bar))
904 (do () ((list) (bar))
907 (with-test (:name :bug-681092)
908 (assert (= 10 (bug-681092))))
910 ;;;; &REST lists should stop DX propagation -- not required by ANSI,
911 ;;;; but required by sanity.
913 (declaim (inline rest-stops-dx))
914 (defun-with-dx rest-stops-dx (&rest args)
915 (declare (dynamic-extent args))
916 (apply #'opaque-identity args))
918 (defun-with-dx rest-stops-dx-ok ()
919 (equal '(:foo) (rest-stops-dx (list :foo))))
921 (with-test (:name :rest-stops-dynamic-extent)
922 (assert (rest-stops-dx-ok)))
924 ;;;; These tests aren't strictly speaking DX, but rather &REST -> &MORE
926 (with-test (:name :rest-to-more-conversion)
927 (let ((f1 (compile nil `(lambda (f &rest args)
929 (assert-no-consing (assert (eql f1 (funcall f1 #'identity f1)))))
930 (let ((f2 (compile nil `(lambda (f1 f2 &rest args)
931 (values (apply f1 args) (apply f2 args))))))
932 (assert-no-consing (multiple-value-bind (a b)
933 (funcall f2 (lambda (x y z) (+ x y z)) (lambda (x y z) (- x y z))
935 (assert (and (eql 6 a) (eql -4 b))))))
936 (let ((f3 (compile nil `(lambda (f &optional x &rest args)
938 (apply f x args))))))
939 (assert-no-consing (assert (eql 42 (funcall f3
940 (lambda (a b c) (+ a b c))
944 (let ((f4 (compile nil `(lambda (f &optional x &rest args &key y &allow-other-keys)
945 (apply f y x args)))))
946 (assert-no-consing (funcall f4 (lambda (y x yk y2 b c)
954 (let ((f5 (compile nil `(lambda (a b c &rest args)
955 (apply #'list* a b c args)))))
956 (assert (equal '(1 2 3 4 5 6 7) (funcall f5 1 2 3 4 5 6 '(7)))))
957 (let ((f6 (compile nil `(lambda (x y)
958 (declare (optimize speed))
959 (concatenate 'string x y)))))
960 (assert (equal "foobar" (funcall f6 "foo" "bar"))))
961 (let ((f7 (compile nil `(lambda (&rest args)
964 (assert (equal '(a b c d e f) (funcall (funcall f7 'a 'b 'c 'd 'e 'f) 'list))))
965 (let ((f8 (compile nil `(lambda (&rest args)
969 (assert (equal '(a b c d e f) (funcall (funcall f8 'a 'b 'c 'd 'e 'f) 'list))))
970 (let ((f9 (compile nil `(lambda (f &rest args)
973 (declare (dynamic-extent #'foo))
974 (funcall f #'foo))))))
975 (assert (equal '(a b c d e f)
976 (funcall f9 (lambda (f) (funcall f 'list)) 'a 'b 'c 'd 'e 'f))))
977 (let ((f10 (compile nil `(lambda (f &rest args)
980 (funcall f #'foo))))))
981 (assert (equal '(a b c d e f)
982 (funcall f10 (lambda (f) (funcall f 'list)) 'a 'b 'c 'd 'e 'f))))
983 (let ((f11 (compile nil `(lambda (x y z)
985 (labels ((foo (x &rest rest)
986 (apply (lambda (&rest rest2)
987 (return-from out (values-list rest2)))
992 (multiple-value-bind (a b c) (funcall f11 1 2 3)
995 (assert (eql c 3)))))