gcc/testsuite/gcc.c-torture/execute/pr65427.c

   1 /* PR tree-optimization/65427 */
   2
   3 typedef int V __attribute__ ((vector_size (8 * sizeof (int))));
   4 V a, b, c, d, e, f;
   5
   6 __attribute__((noinline, noclone)) void
   7 foo (int x, int y)
   8 {
   9   do
  10     {
  11       if (x)
  12         d = a ^ c;
  13       else
  14         d = a ^ b;
  15     }
  16   while (y);
  17 }
  18
  19 int
  20 main ()
  21 {
  22   a = (V) { 1, 2, 3, 4, 5, 6, 7, 8 };
  23   b = (V) { 0x40, 0x80, 0x40, 0x80, 0x40, 0x80, 0x40, 0x80 };
  24   e = (V) { 0x41, 0x82, 0x43, 0x84, 0x45, 0x86, 0x47, 0x88 };
  25   foo (0, 0);
  26   if (__builtin_memcmp (&d, &e, sizeof (V)) != 0)
  27     __builtin_abort ();
  28   c = (V) { 0x80, 0x40, 0x80, 0x40, 0x80, 0x40, 0x80, 0x40 };
  29   f = (V) { 0x81, 0x42, 0x83, 0x44, 0x85, 0x46, 0x87, 0x48 };
  30   foo (1, 0);
  31   if (__builtin_memcmp (&d, &f, sizeof (V)) != 0)
  32     __builtin_abort ();
  33   return 0;
  34 }