gcc/testsuite/gcc.dg/torture/pr57521.c

   1 /* { dg-do run } */
   2 /* { dg-options "-ftree-loop-if-convert" } */
   3
   4 void abort (void);
   5
   6 int a, b, c, d, o = 1, p;
   7 short e;
   8
   9 int
  10 fn1 (int * p1)
  11 {
  12   int f, g, h, j = 0, k = 0, l = 0;
  13   unsigned int i;
  14   int *m[1] = { &l };
  15   for (; b >= 0; b--)
  16     {
  17       if (*p1)
  18         if (j >= 0)
  19           {
  20             int n = 1;
  21             e = 1;
  22             h = a ? a : 1 % n;
  23             g = h > 0 ? 0 : h + 1;
  24             k = c + g;
  25           }
  26         else
  27           continue;
  28       else
  29         {
  30
  31           f = d > 0 ? 0 : d + 1;
  32           i = f;
  33           j = 1 + i;
  34         }
  35       l++;
  36     }
  37   return k;
  38 }
  39
  40 int
  41 main ()
  42 {
  43   for (;; p++)
  44     {
  45       fn1 (&o);
  46       break;
  47     }
  48   if (e != 1)
  49     abort ();
  50   return 0;
  51 }