gcc/testsuite/gcc.dg/struct/wo_prof_malloc_size_var.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, num;
  25
  26   num = rand();
  27   num = num > N ? N : num;
  28   str_t * p = malloc (num * sizeof (str_t));
  29
  30   if (p == 0)
  31     return 0;
  32
  33   for (i = 0; i < num; i++)
  34     p[i].b = i;
  35
  36   for (i = 0; i < num; i++)
  37     p[i].a = p[i].b + 1;
  38
  39   for (i = 0; i < num; i++)
  40     if (p[i].a != p[i].b + 1)
  41       abort ();
  42
  43   return 0;
  44 }
  45
  46 /*--------------------------------------------------------------------------*/
  47 /* { dg-final { scan-ipa-dump "Number of structures to transform is 1" "ipa_struct_reorg" { xfail *-*-* } } } */
  48 /* { dg-final { cleanup-ipa-dump "*" } } */