gcc/testsuite/gcc.dg/struct/wo_prof_array_through_pointer.c

   1 /* { dg-do compile } */
   2 /* { dg-do run } */
   3
   4 #include <stdlib.h>
   5 typedef struct
   6 {
   7   int a;
   8   float b;
   9 }str_t;
  10
  11 #ifdef STACK_SIZE
  12 #if STACK_SIZE > 8000
  13 #define N 1000
  14 #else
  15 #define N (STACK_SIZE/8)
  16 #endif
  17 #else
  18 #define N 1000
  19 #endif
  20
  21 int
  22 main ()
  23 {
  24   int i;
  25   str_t A[N];
  26   str_t *p = A;
  27
  28   for (i = 0; i < N; i++)
  29     p[i].a = 0;
  30
  31   for (i = 0; i < N; i++)
  32     if (p[i].a != 0)
  33       abort ();
  34
  35   return 0;
  36 }
  37
  38 /* { dg-final { scan-ipa-dump "Number of structures to transform is 1" "ipa_struct_reorg" { xfail *-*-* } } } */
  39 /* { dg-final { cleanup-ipa-dump "*" } } */