old-autovect-branch/gcc/testsuite/gcc.c-torture/execute/restrict-1.c

   1 /*  PR rtl-optimization/16536
   2     Origin:  Jeremy Denise      <jeremy.denise@libertysurf.fr>
   3     Reduced: Wolfgang Bangerth  <bangerth@dealii.org>
   4              Volker Reichelt    <reichelt@igpm.rwth-aachen.de>  */
   5
   6 extern void abort ();
   7
   8 typedef struct
   9 {
  10   int i, dummy;
  11 } A;
  12
  13 inline A foo (const A* p, const A* q)
  14 {
  15   return (A){p->i+q->i};
  16 }
  17
  18 void bar (A* __restrict__ p)
  19 {
  20   *p=foo(p,p);
  21   if (p->i!=2)
  22     abort();
  23 }
  24
  25 int main ()
  26 {
  27   A a={1};
  28   bar(&a);
  29   return 0;
  30 }