tests/compiler-1.impure-cload.lisp

   1 ;;;; miscellaneous compiler tests with side effects (e.g. DEFUN
   2 ;;;; changing FDEFINITIONs and globaldb stuff)
   3
   4 ;;;; This software is part of the SBCL system. See the README file for
   5 ;;;; more information.
   6 ;;;;
   7 ;;;; While most of SBCL is derived from the CMU CL system, the test
   8 ;;;; files (like this one) were written from scratch after the fork
   9 ;;;; from CMU CL.
  10 ;;;;
  11 ;;;; This software is in the public domain and is provided with
  12 ;;;; absolutely no warranty. See the COPYING and CREDITS files for
  13 ;;;; more information.
  14
  15 (cl:in-package :cl-user)
  16
  17 (eval-when (:compile-toplevel :load-toplevel :execute)
  18   (load "assertoid")
  19   (use-package "ASSERTOID"))
  20
  21 (declaim (optimize (debug 3) (speed 2) (space 1)))
  22
  23 ;;; Until version 0.6.9 or so, SBCL's version of Python couldn't do
  24 ;;; this correctly, due to the bug patched by Rob MacLachlan on the
  25 ;;; cmucl-imp list 2000-06-21, and applied to SBCL by Martin Atzmueller.
  26 ;;; (The effectiveness of the test also depends on the implicit
  27 ;;; function typing of Python (where DEFUN is like DECLAIM FTYPE),
  28 ;;; which violates the ANSI spec, and should be fixed. Once that
  29 ;;; unrelated bug is fixed, this code will no longer test the type
  30 ;;; inference behavior it's intended to test.)
  31 (defun emptyvalues (&rest rest) (declare (ignore rest)) (values))
  32 (defstruct foo x y)
  33 (defun bar ()
  34   (let ((res (emptyvalues)))
  35     (unless (typep res 'foo)
  36       'expected-value)))
  37 (assert (eq (bar) 'expected-value))
  38
  39 (declaim (ftype (function (real) (values integer single-float)) valuesify))
  40 (defun valuesify (x)
  41   (values (round x)
  42           (coerce x 'single-float)))
  43 (defun exercise-valuesify (x)
  44   (multiple-value-bind (i f) (valuesify x)
  45     (declare (type integer i))
  46     (declare (type single-float f))
  47     (+ i f)))
  48 (assert (= (exercise-valuesify 1.25) 2.25))
  49
  50 ;;; An early version (sbcl-0.6.11.33) of code to check FTYPEs from DEFUN
  51 ;;; against DECLAIMed FTYPEs blew up when an FTYPE was DECLAIMed
  52 ;;; to be pure FUNCTION, because the internal representation of
  53 ;;; FUNCTION itself (as opposed to subtypes of FUNCTION, such as
  54 ;;; (FUNCTION () T)) is a BUILT-IN-CLASS object, not a FUN-TYPE
  55 ;;; object.
  56 (declaim (ftype function i-am-just-a-function))
  57 (defun i-am-just-a-function (x y) (+ x y 1))
  58
  59 ;;; Stig E Sandoe reported in cclan-Bugs-431263 that SBCL couldn't
  60 ;;; compile this. sbcl-0.6.12.26 died in CIRCULAR-LIST-P with "The
  61 ;;; value \"EST\" is not of type LIST." Dan Barlow fixed it.
  62 (defvar +time-zones+
  63   '((5 "EDT" . "EST") (6 "CDT" . "CST") (7 "MDT" .
  64 "MST") (8 "PDT" . "PST")
  65     (0 "GMT" . "GDT") (-2 "MET" . "MET DST"))
  66   "*The string representations of the time zones.")
  67
  68 ;;; The old CMU CL Python compiler assumed that it was safe to infer
  69 ;;; function types (including return types) from function definitions
  70 ;;; and then use them to optimize code later. This is of course bad
  71 ;;; when functions are redefined. The problem was fixed in
  72 ;;; sbcl-0.6.12.57.
  73 (defun foo (x)
  74   (if (plusp x)
  75       1.0
  76       0))
  77 (defun bar (x)
  78   (typecase (foo x)
  79     (fixnum :fixnum)
  80     (real :real)
  81     (string :string)
  82     (t :t)))
  83 (assert (eql (bar 11) :real))
  84 (assert (eql (bar -11) :fixnum))
  85 (setf (symbol-function 'foo) #'identity)
  86 (assert (eql (bar 11) :fixnum))
  87 (assert (eql (bar -11.0) :real))
  88 (assert (eql (bar "this is a test") :string))
  89 (assert (eql (bar (make-hash-table)) :t))
  90
  91 ;;; bug reported by Brian Spilsbury sbcl-devel 2001-09-30, fixed by
  92 ;;; Alexey Dejneka patch sbcl-devel 2001-10-02
  93 (defun pixarray-element-size (pixarray)
  94   (let ((eltype (array-element-type pixarray)))
  95     (cond ((eq eltype 'bit) 1)
  96           ((and (listp eltype)
  97                 (eq (first eltype) 'unsigned-byte))
  98            (second eltype))
  99           (t
 100            (error "Invalid pixarray: ~S." pixarray)))))
 101 (assert (eql 1 (pixarray-element-size #*110)))
 102
 103 ;;; bug 31 turned out to be a manifestation of non-ANSI array type
 104 ;;; handling, fixed by CSR in sbcl-0.7.3.8.
 105 (defun array-element-type-handling (x)
 106   (declare (type (vector cons) x))
 107   (when (consp (aref x 0))
 108     (aref x 0)))
 109 (assert (eq (array-element-type-handling
 110              (make-array 3 :element-type t :initial-element 0))
 111             nil))
 112
 113 ;;; bug 220: type check inserted after all arguments in MV-CALL caused
 114 ;;; failure of stack analysis
 115 (defun bug220-helper ()
 116   13)
 117 (assert (equal (multiple-value-call #'list
 118                  (the integer (bug220-helper))
 119                  nil)
 120                '(13 nil)))
 121
 122 ;;; bug 221: sbcl 0.7.9.13 failed to compile the following function
 123 (declaim (ftype (function (fixnum) (values package boolean)) bug221-f1))
 124 (declaim (ftype (function (t) (values package boolean)) bug221-f2))
 125 (defun bug221 (b x)
 126   (funcall (if b #'bug221-f1 #'bug221-f2) x))
 127
 128 ;;; bug 166: compiler failure
 129 (defstruct bug166s)
 130 (defmethod permanentize ((uustk bug166s))
 131   (flet ((frob (hash-table test-for-deletion)
 132            )
 133          (obj-entry.stale? (oe)
 134            (destructuring-bind (key . datum) oe
 135              (declare (type simple-vector key))
 136              (deny0 (void? datum))
 137              (some #'stale? key))))
 138     (declare (inline frob obj-entry.stale?))
 139     (frob (uustk.args-hash->obj-alist uustk)
 140           #'obj-entry.stale?)
 141     (frob (uustk.hash->memoized-objs-list uustk)
 142           #'objs.stale?))
 143   (call-next-method))
 144
 145 ;;; bugs 115, 226: compiler failure in lifetime analysis
 146 (defun bug115-1 ()
 147   (declare (optimize (speed 2) (debug 3)))
 148   (flet ((m1 ()
 149            (unwind-protect nil)))
 150     (if (catch nil)
 151         (m1)
 152         (m1))))
 153
 154 (defun bug115-2 ()
 155   (declare (optimize (speed 2) (debug 3)))
 156   (flet ((m1 ()
 157            (bar (if (foo) 1 2))
 158            (let ((x (foo)))
 159              (bar x (list x)))))
 160     (if (catch nil)
 161         (m1)
 162         (m1))))
 163
 164 (defun bug226 ()
 165   (declare (optimize (speed 0) (safety 3) (debug 3)))
 166   (flet ((safe-format (stream string &rest r)
 167            (unless (ignore-errors (progn
 168                                     (apply #'format stream string r)
 169                                     t))
 170              (format stream "~&foo ~S" string))))
 171     (cond
 172       ((eq my-result :ERROR)
 173        (cond
 174          ((ignore-errors (typep condition result))
 175           (safe-format t "~&bar ~S" result))
 176          (t
 177           (safe-format t "~&baz ~S (~A) ~S" condition condition result)))))))
 178
 179 ;;; bug 231: SETQ did not check the type of the variable being set
 180 (defun bug231a-1 (x)
 181   (declare (optimize safety) (type (integer 0 8) x))
 182   (incf x))
 183 (assert (raises-error? (bug231a-1 8) type-error))
 184
 185 (defun bug231a-2 (x)
 186   (declare (optimize safety) (type (integer 0 8) x))
 187   (list (lambda (y) (setq x y))
 188         (lambda () x)))
 189 (destructuring-bind (set get) (bug231a-2 0)
 190   (funcall set 8)
 191   (assert (eql (funcall get) 8))
 192   (assert (raises-error? (funcall set 9) type-error))
 193   (assert (eql (funcall get) 8)))
 194
 195 (defun bug231b (x z)
 196   (declare (optimize safety) (type integer x))
 197   (locally
 198       (declare (type (real 1) x))
 199     (setq x z))
 200   (list x z))
 201 (assert (raises-error? (bug231b nil 1) type-error))
 202 (assert (raises-error? (bug231b 0 1.5) type-error))
 203 (assert (raises-error? (bug231b 0 0) type-error))
 204
 205 ;;; A bug appeared in flaky7_branch. Python got lost in unconverting
 206 ;;; embedded tail calls during let-convertion.
 207 (defun bug239 (bit-array-2 &optional result-bit-array)
 208   (declare (type (array bit) bit-array-2)
 209            (type (or (array bit) (member t nil)) result-bit-array))
 210   (unless (simple-bit-vector-p bit-array-2)
 211     (multiple-value-call
 212         (lambda (data1 start1)
 213           (multiple-value-call
 214               (lambda (data2 start2)
 215                 (multiple-value-call
 216                     (lambda (data3 start3)
 217                       (declare (ignore start3))
 218                       (print (list data1 data2)))
 219                   (values 0 0)))
 220             (values bit-array-2 0)))
 221       (values 444 0))))
 222 (assert (equal (bug239 (make-array 4 :element-type 'bit
 223                                    :adjustable t
 224                                    :initial-element 0)
 225                        nil)
 226                '(444 #*0000)))
 227
 228 (defstruct some-structure a)
 229 (eval-when (:compile-toplevel)
 230   ;; in the big CLASS reorganization in pre8, this would fail with
 231   ;; SOME-STRUCTURE-A is not FBOUNDP.  Fixed in 0.pre8.64
 232   (find-class 'some-structure nil))
 233 (eval-when (:load-toplevel)
 234   (assert (typep (find-class 'some-structure) 'class)))
 235
 236 (sb-ext:quit :unix-status 104) ; success