gcc/testsuite/gcc.dg/pr68730.c

   1 /* PR rtl-optimization/68730 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O3 -fno-if-conversion" } */
   4 /* { dg-additional-options "-march=x86-64" { target { i?86-*-* x86_64-*-* } } } */
   5
   6 int b, d, e;
   7 unsigned long long c = 4100543410106915;
   8
   9 void
  10 foo (void)
  11 {
  12   short f, g = 4 % c;
  13   int h = c;
  14   if (h)
  15     {
  16       int i = ~c;
  17       if (~c)
  18         i = 25662;
  19       f = g = i;
  20       h = c - g + ~-f;
  21       c = ~(c * h - f);
  22     }
  23   f = g;
  24   unsigned long long k = g || c;
  25   short l = c ^ g ^ k;
  26   if (g > 25662 || c == 74074520320 || !(g < 2))
  27     {
  28       k = c;
  29       l = g;
  30       c = ~((k && c) + ~l);
  31       f = ~(f * (c ^ k) | l);
  32       if (c > k)
  33         __builtin_printf ("%d\n", f);
  34     }
  35   short m = -f;
  36   unsigned long long n = c;
  37   c = m * f | n % c;
  38   if (n)
  39     __builtin_printf ("%d\n", f);
  40   while (f < -31807)
  41     ;
  42   c = ~(n | c) | f;
  43   if (n < c)
  44     __builtin_printf ("%lld\n", (long long) f);
  45   for (; d;)
  46     for (; e;)
  47       for (;;)
  48         ;
  49   c = h;
  50   c = l % c;
  51 }