gcc/testsuite/gcc.dg/torture/pr58830.c

   1 /* { dg-do run } */
   2 /* { dg-additional-options "-ftree-pre -ftree-partial-pre" } */
   3
   4 extern void abort (void);
   5
   6 int b, c, d, f, g, h, i, j[6], *l = &b, *m, n, *o, r;
   7 char k;
   8
   9 static int
  10 foo ()
  11 {
  12   char *p = &k;
  13
  14   for (; d; d++)
  15     if (i)
  16       h = 0;
  17     else
  18       h = c || (r = 0);
  19
  20   for (f = 0; f < 2; f++)
  21     {
  22       unsigned int q;
  23       *l = 0;
  24       if (n)
  25         *m = g;
  26       if (g)
  27         o = 0;
  28       for (q = -8; q >= 5; q++)
  29         (*p)--;
  30     }
  31
  32   return 0;
  33 }
  34
  35 int
  36 main ()
  37 {
  38   foo ();
  39   if (j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[j[0]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]] ^ (k & 15)] != 0)
  40     abort ();
  41   return 0;
  42 }