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Michał Herda
ansi-test
Commits
f7dc0219
Commit
f7dc0219
authored
21 years ago
by
pfdietz
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Added restricted tests for ASH, TRUNCATE, ROUND, CEILING, FLOOR. Improved pruning.
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562ee66b
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ansi-tests/random-int-form.lsp
+98
-8
98 additions, 8 deletions
ansi-tests/random-int-form.lsp
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98 additions
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8 deletions
ansi-tests/random-int-form.lsp
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98
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8
View file @
f7dc0219
...
...
@@ -122,16 +122,39 @@
(rcase
;; Unary ops
(40
(let ((op (random-from-seq '(- abs signum 1+ 1- identity progn
(let ((op (random-from-seq '(- abs signum 1+ 1- identity progn floor
ceiling truncate round
integer-length logcount values))))
`(,op ,(make-random-integer-form (1- size) vars))))
(2 `(isqrt (abs ,(make-random-integer-form (- size 2) vars))))
(3
(destructuring-bind (s1 s2)
(random-partition (- size 2) 2)
`(ash ,(make-random-integer-form s1 vars)
(min ,(random 100)
,(make-random-integer-form s2 vars)))))
;; binary floor, ceiling, truncate, round
(4
(let ((op (random-from-seq #(floor ceiling truncate round)))
(op2 (random-from-seq #(max min))))
(destructuring-bind (s1 s2)
(random-partition (- size 2) 2)
`(,op ,(make-random-integer-form s1 vars)
(,op2 ,(if (eq op2 'max)
(1+ (random 100))
(- (1+ (random 100))))
,(make-random-integer-form s2 vars))))))
;; Binary op
(80
(let* ((op (random-from-seq
'(+ - * * logand min max min max ;; gcd lcm
#-:allegro logandc1 ;; bug in ACL 6.2 makes this cause crashes
;; #-:allegro
logandc1
logandc2 logeqv logior lognand lognor
#-:allegro logorc1 ;; another bug in ACL 6.2
;; #-:allegro
logorc1
logorc2 logxor))))
(destructuring-bind (leftsize rightsize)
(random-partition (1- size) 2)
...
...
@@ -153,7 +176,7 @@
,(make-random-integer-form s1 vars)
,(make-random-byte-spec-form s2 vars)
,(make-random-integer-form s3 vars))))
#-:allegro
;;
#-:allegro
(10
(destructuring-bind (s1 s2) (random-partition (1- size) 2)
`(,(random-from-seq '(ldb mask-field))
...
...
@@ -350,8 +373,6 @@
(let ((n1 (1+ (random (floor n p)))))
(cons n1 (random-partition (- n n1) (1- p)))))))
;;; Interface to the form pruner
(defun make-optimized-lambda-form (form vars var-types)
`(lambda ,vars
(declare ,@(mapcar #'(lambda (tp var)
...
...
@@ -418,13 +439,13 @@
(let ((unopt-result
(handler-case
(multiple-value-list
(
identity ;;
multiple-value-list
(apply unoptimized-compiled-fn vals))
(error (c) (declare (ignore c))
(%eval-error :unoptimized-form-error))))
(opt-result
(handler-case
(multiple-value-list
(
identity ;;
multiple-value-list
(apply optimized-compiled-fn vals))
(error (c) (declare (ignore c))
(%eval-error :optimized-form-error)))))
...
...
@@ -439,6 +460,8 @@
opt-result
unopt-result)))))))))))
;;; Interface to the form pruner
(defun prune-int-form (form vars var-types vals-list)
"Conduct tests on selected simplified versions of FORM. Return the
minimal form that still causes some kind of failure."
...
...
@@ -524,6 +547,11 @@
((ldb mask-field)
(try (second args))
(when (and (consp (first args))
(eq 'byte (first (first args)))
(every #'numberp (cdr (first args)))
(numberp (second args)))
(try (eval form)))
(prune-fn form try-fn))
((ldb-test)
...
...
@@ -560,6 +588,63 @@
((case)
(prune-case form try-fn))
((isqrt)
(let ((arg (second form)))
(assert (null (cddr form)))
(assert (consp arg))
(assert (eq (first arg) 'abs))
(let ((arg2 (second arg)))
;; Try to fold
(when (integerp arg2)
(try (isqrt (abs arg2))))
;; Otherwise, simplify arg2
(prune arg2 #'(lambda (form)
(try `(isqrt (abs ,form))))))))
((ash)
(let ((form1 (second form))
(form2 (third form)))
(try form1)
(try form2)
(prune form1
#'(lambda (form)
(try `(ash ,form ,form2))))
(when (and (consp form2)
(= (length form2) 3))
(when (and (integerp form1)
(eq (first form2) 'min)
(every #'integerp (cdr form2)))
(try (eval form)))
(let ((form3 (third form2)))
(prune form3
#'(lambda (form)
(try
`(ash ,form1 (,(first form2) ,(second form2)
,form)))))))))
((floor ceiling truncate round)
(let ((form1 (second form))
(form2 (third form)))
(try form1)
(when (cddr form) (try form2))
(prune form1
(if (cddr form)
#'(lambda (form)
(try `(,op ,form ,form2)))
#'(lambda (form) (try `(,op ,form)))))
(when (and (consp form2)
(= (length form2) 3))
(when (and (integerp form1)
(member (first form2) '(max min))
(every #'integerp (cdr form2)))
(try (eval form)))
(let ((form3 (third form2)))
(prune form3
#'(lambda (form)
(try
`(,op ,form1 (,(first form2) ,(second form2)
,form)))))))))
(otherwise
(prune-fn form try-fn))
...
...
@@ -573,6 +658,7 @@
(find-in-tree value (cdr tree))))))
(defun prune-list (list element-prune-fn list-try-fn)
(declare (type function element-prune-fn list-try-fn))
"Utility function for pruning in a list."
(loop for i from 0
for e in list
...
...
@@ -585,6 +671,7 @@
(subseq list (1+ i))))))))
(defun prune-case (form try-fn)
(declare (type function try-fn))
(let* ((op (first form))
(expr (second form))
(cases (cddr form)))
...
...
@@ -607,6 +694,7 @@
;; Assume each case has a single form
(prune-list cases
#'(lambda (case try-fn)
(declare (function try-fn))
(when (eql (length case) 2)
(prune (cadr case)
#'(lambda (form)
...
...
@@ -643,6 +731,7 @@
;; Try to simplify the forms in the RHS of the bindings
(prune-list binding-list
#'(lambda (binding try-fn)
(declare (function try-fn))
(prune (cadr binding)
#'(lambda (form)
(funcall try-fn
...
...
@@ -679,6 +768,7 @@
;; Try to simplify the forms in the RHS of the bindings
(prune-list binding-list
#'(lambda (binding try-fn)
(declare (function try-fn))
(prune (third binding)
#'(lambda (form)
(funcall try-fn
...
...
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