gcc/testsuite/gcc.target/i386/pr77856.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2" } */
   3
   4 extern void abort (void);
   5
   6 unsigned a, e;
   7
   8 struct S0
   9 {
  10   int f1;
  11   int f8;
  12 } c = {4, 6};
  13
  14 int b, f, g, h, i, j, l, p;
  15 short d, o = -7;
  16 char k, n = 5;
  17
  18 unsigned fn1 (int p1, int p2)
  19 {
  20   return p2 >= 2 || p1 >> p2 ? p1 : p1 << p2;
  21 }
  22
  23 static short fn2 (struct S0 p1)
  24 {
  25   int *q = 0;
  26   int r = 7;
  27   if (!a)
  28     {
  29       c.f1 = 1;
  30       for (; c.f1; c.f1--)
  31         if (fn1 (10 != 0, p1.f8))
  32           {
  33             short s = 9 << ~o % (d ^ n);
  34             int t = s >> h % ~d;
  35             p = r;
  36             r = s | p * (d && 9) | t;
  37             int u = i & c.f1;
  38             unsigned v = ~(~(u & h) | (~(8 >> c.f1) & i));
  39             int w = v;
  40             if (u < 9)
  41               w = c.f1;
  42             if (i > h && u)
  43               {
  44                 __builtin_printf ("%d\n", c.f1);
  45                 continue;
  46               }
  47             c.f1 = w;
  48             if (!p)
  49               continue;
  50             return 0;
  51           }
  52       for (;;)
  53         *q = 0;
  54     }
  55   return 0;
  56 }
  57
  58 static void fn3 ()
  59 {
  60   fn2 (c);
  61   l = c.f1 < b;
  62   if (l)
  63     {
  64     L1:
  65       e = l | j / e % ~f;
  66       j = f - 4 % k < c.f1 / e / b - j - 1;
  67       if (l)
  68         {
  69           __builtin_printf ("%d\n", b);
  70           goto L1;
  71         }
  72       int m[245];
  73       g = m[2];
  74     }
  75 }
  76
  77 int main ()
  78 {
  79   fn3 ();
  80   if (c.f1 != 1)
  81     abort ();
  82   return 0;
  83 }