1  /* PR tree-optimization/52760 */
       2  
       3  struct T { unsigned short a, b, c, d; };
       4  
       5  __attribute__((noinline, noclone)) void
       6  foo (int x, struct T *y)
       7  {
       8    int i;
       9  
      10    for (i = 0; i < x; i++)
      11      {
      12        y[i].a = ((0x00ff & y[i].a >> 8) | (0xff00 & y[i].a << 8));
      13        y[i].b = ((0x00ff & y[i].b >> 8) | (0xff00 & y[i].b << 8));
      14        y[i].c = ((0x00ff & y[i].c >> 8) | (0xff00 & y[i].c << 8));
      15        y[i].d = ((0x00ff & y[i].d >> 8) | (0xff00 & y[i].d << 8));
      16      }
      17  }
      18  
      19  int
      20  main ()
      21  {
      22    struct T t = { 0x0001, 0x0203, 0x0405, 0x0607 };
      23    foo (1, &t);
      24    if (t.a != 0x0100 || t.b != 0x0302 || t.c != 0x0504 || t.d != 0x0706)
      25      __builtin_abort ();
      26    return 0;
      27  }