gcc/testsuite/gcc.dg/struct/wo_prof_escape_substr_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 > 16000
  13 #define N 1000
  14 #else
  15 #define N (STACK_SIZE/16)
  16 #endif
  17 #else
  18 #define N 1000
  19 #endif
  20
  21 typedef struct
  22 {
  23   str_t * sub_str;
  24   int c;
  25 }str_with_substr_t;
  26
  27 int
  28 main (void)
  29 {
  30   int i;
  31   str_with_substr_t A[N];
  32   str_t a[N];
  33
  34   for (i=0; i < N; i++)
  35     A[i].sub_str = &(a[i]);
  36
  37   for (i=0; i < N; i++)
  38     A[i].sub_str->a = 5;
  39
  40   return 0;
  41 }
  42
  43 /*--------------------------------------------------------------------------*/
  44 /* { dg-final { scan-ipa-dump "is a field in the structure" "ipa_struct_reorg" } } */
  45 /* { dg-final { cleanup-ipa-dump "*" } } */