gcc/testsuite/gcc.dg/struct/w_prof_two_strs.c

   1 #include <stdlib.h>
   2
   3 typedef struct
   4 {
   5   int a;
   6   float b;
   7 }str_t1;
   8
   9 typedef struct
  10 {
  11   int c;
  12   float d;
  13 }str_t2;
  14
  15 #ifdef STACK_SIZE
  16 #if STACK_SIZE > 16000
  17 #define N 1000
  18 #else
  19 #define N (STACK_SIZE/16)
  20 #endif
  21 #else
  22 #define N 1000
  23 #endif
  24
  25 str_t1 *p1;
  26 str_t2 *p2;
  27 int num;
  28
  29 void
  30 foo (void)
  31 {
  32   int i;
  33
  34   for (i=0; i < num; i++)
  35     p2[i].c = 2;
  36 }
  37
  38 int
  39 main ()
  40 {
  41   int i, r;
  42
  43   r = rand ();
  44   num = r > N ? N : r;
  45   p1 = malloc (num * sizeof (str_t1));
  46   p2 = malloc (num * sizeof (str_t2));
  47
  48   if (p1 == NULL || p2 == NULL)
  49     return 0;
  50
  51   for (i = 0; i < num; i++)
  52     p1[i].a = 1;
  53
  54   foo ();
  55
  56   for (i = 0; i < num; i++)
  57     if (p1[i].a != 1 || p2[i].c != 2)
  58       abort ();
  59
  60   return 0;
  61 }
  62
  63 /*--------------------------------------------------------------------------*/
  64 /* { dg-final-use { scan-ipa-dump "Number of structures to transform is 2" "ipa_struct_reorg" } } */
  65 /* { dg-final-use { cleanup-ipa-dump "*" } } */
  66