(lambda (x) (append x (cons 1 2))) cons
(lambda (x y) (append x (cons 1 2) y)) cons
(lambda (x y) (nconc x (the list y) x)) t
- (lambda (x y) (print (length y)) (append x y)) sequence)))
+ (lambda (x y) (nconc (the atom x) y)) t
+ (lambda (x y) (nconc (the (or null (eql 10)) x) y)) t
+ (lambda (x y) (nconc (the (or cons vector) x) y)) cons
+ (lambda (x y) (nconc (the sequence x) y)) t
+ (lambda (x y) (print (length y)) (append x y)) sequence
+ (lambda (x y) (print (length y)) (append x y)) sequence
+ (lambda (x y) (append (the (member (a) (b)) x) y)) cons
+ (lambda (x y) (append (the (member (a) (b) c) x) y)) cons
+ (lambda (x y) (append (the (member (a) (b) nil) x) y)) t)))
(loop for (function result-type) on test-cases by #'cddr
do (assert (equal (car (cdaddr (sb-kernel:%simple-fun-type
(compile nil function))))
(test (- x) y)
(test (- most-positive-fixnum x) y)
(test (+ most-negative-fixnum x) y))))))
+
+;; expected failure
+(test-util:with-test (:name :fold-index-addressing-positive-offset
+ :fails-on '(and))
+ (let ((f (compile nil `(lambda (i)
+ (if (typep i '(integer -31 31))
+ (aref #. (make-array 63) (+ i 31))
+ (error "foo"))))))
+ (funcall f -31)))
+
+;; 5d3a728 broke something like this in CL-PPCRE
+(test-util:with-test (:name :fold-index-addressing-potentially-negative-index)
+ (compile nil `(lambda (index vector)
+ (declare (optimize speed (safety 0))
+ ((simple-array character (*)) vector)
+ ((unsigned-byte 24) index))
+ (aref vector (1+ (mod index (1- (length vector))))))))
+
+(test-util:with-test (:name :constant-fold-ash/right-fixnum)
+ (compile nil `(lambda (a b)
+ (declare (type fixnum a)
+ (type (integer * -84) b))
+ (ash a b))))
+
+(test-util:with-test (:name :constant-fold-ash/right-word)
+ (compile nil `(lambda (a b)
+ (declare (type word a)
+ (type (integer * -84) b))
+ (ash a b))))