gcc/testsuite/gcc.dg/struct/wo_prof_mult_field_peeling.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   int c;
  10   float d;
  11 }str_t;
  12
  13 #ifdef STACK_SIZE
  14 #if STACK_SIZE > 1600
  15 #define N 100
  16 #else
  17 #define N (STACK_SIZE/16)
  18 #endif
  19 #else
  20 #define N 100
  21 #endif
  22
  23 int
  24 main ()
  25 {
  26   int i;
  27   str_t *p = malloc (N * sizeof (str_t));
  28   if (p == NULL)
  29     return 0;
  30   for (i = 0; i < N; i++)
  31     p[i].a = 5;
  32
  33   for (i = 0; i < N; i++)
  34     if (p[i].a != 5)
  35       abort ();
  36
  37   return 0;
  38 }
  39
  40 /*--------------------------------------------------------------------------*/
  41 /* The structure str_t is erroneously peeled into 4 structures instead of 2.  */
  42 /* { dg-final { scan-ipa-dump "the number of new types is 2" "ipa_struct_reorg" { xfail *-*-* } } } */
  43 /* { dg-final { cleanup-ipa-dump "*" } } */