gcc/testsuite/gcc.dg/torture/pr81790.c

   1 /* { dg-do compile } */
   2 /* { dg-additional-options "--param sccvn-max-scc-size=10" } */
   3
   4 typedef int a __attribute__ ((__vector_size__ (16)));
   5 typedef struct
   6 {
   7   a b;
   8 } c;
   9
  10 int d, e;
  11
  12 void foo (c *ptr);
  13
  14 void bar ()
  15 {
  16   double b = 1842.9028;
  17   c g, h;
  18   if (d)
  19     b = 77.7998;
  20   for (; e;)
  21     {
  22       g.b = g.b = g.b + g.b;
  23       h.b = (a){b};
  24       h.b = h.b + h.b;
  25     }
  26   foo (&g);
  27   foo (&h);
  28 }