gcc/testsuite/gcc.dg/struct/wo_prof_single_str_pointer.c

   1 /* { dg-do compile } */
   2 /* { dg-do run } */
   3
   4 #include <stdlib.h>
   5 typedef struct
   6 {
   7   int a;
   8   int *b;
   9 }str_t;
  10
  11 #define N 3
  12
  13 str_t *p;
  14
  15 int
  16 main ()
  17 {
  18   str_t str;
  19   int i;
  20   int res = 1 << (1 << N);
  21   p = &str;
  22   str.a = 2;
  23
  24   p->b = &(p->a);
  25
  26   for (i=0; i < N; i++)
  27     p->a = *(p->b)*(*(p->b));
  28
  29   if (p->a != res)
  30     abort ();
  31
  32   return p->a;
  33 }
  34
  35 /*--------------------------------------------------------------------------*/
  36 /* The access &(p->a) is handled incorrectly in ipa-struct-reorg.c.  */
  37 /* { dg-final { scan-ipa-dump "Number of structures to transform is 1" "ipa_struct_reorg" { xfail *-*-* } } } */
  38 /* { dg-final { cleanup-ipa-dump "*" } } */