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/* Test the code generation for the new __builtin_counted_by_ref. */
/* { dg-do run } */
/* { dg-options "-O2" } */
#include <stdio.h>
struct annotated {
char b;
int c[] __attribute ((counted_by (b)));
} *array_annotated;
struct flex {
short b;
int c[];
} *array_flex;
struct nested_annotated {
struct {
union {
int b;
float f;
};
int n;
};
char c[] __attribute__ ((counted_by (b)));
} *array_nested_annotated;
struct nested_flex {
struct {
union {
unsigned int b;
float f;
};
int n;
};
char c[];
} *array_nested_flex;
#define MAX(A, B) (A > B) ? (A) : (B)
#define MY_ALLOC(P, FAM, COUNT) ({ \
__auto_type __p = &(P); \
__auto_type __c = (COUNT); \
size_t __size = MAX (sizeof (*(*__p)),\
__builtin_offsetof (__typeof(*(*__p)),FAM) \
+ sizeof (*((*__p)->FAM)) * __c); \
if ((*__p = __builtin_malloc(__size))) { \
__builtin_memset(*__p, 0, __size); \
__auto_type ret = __builtin_counted_by_ref((*__p)->FAM); \
*_Generic(ret, void *: &(size_t){0}, default: ret) = __c; \
if (sizeof (__builtin_counted_by_ref ((*__p)->FAM)) != sizeof (char *)) \
__builtin_abort (); \
} \
})
int count;
int main(int argc, char *argv[])
{
MY_ALLOC(array_annotated, c, 10);
if (array_annotated->b != 10)
__builtin_abort ();
if (__alignof (*__builtin_counted_by_ref (array_annotated->c))
!= __alignof (array_annotated->b))
__builtin_abort ();
if (!__builtin_types_compatible_p
(__typeof (*__builtin_counted_by_ref (array_annotated->c)),
__typeof (array_annotated->b)))
__builtin_abort ();
if (!__builtin_types_compatible_p
(__typeof (char[__builtin_counted_by_ref (array_annotated->c)
== &array_annotated->b ? 1 : 10]),
__typeof (char[1])))
__builtin_abort ();
MY_ALLOC(array_flex, c, 20);
if (array_flex->b == 20)
__builtin_abort ();
if (!__builtin_types_compatible_p
(__typeof (char[__builtin_counted_by_ref (array_flex->c)
== &array_flex->b ? 1 : 10]),
__typeof (char[10])))
__builtin_abort ();
MY_ALLOC(array_nested_annotated, c, 30);
if (array_nested_annotated->b != 30)
__builtin_abort ();
if (__alignof (*__builtin_counted_by_ref (array_nested_annotated->c))
!= __alignof (array_nested_annotated->b))
__builtin_abort ();
if (!__builtin_types_compatible_p
(__typeof (*__builtin_counted_by_ref (array_nested_annotated->c)),
__typeof (array_nested_annotated->b)))
__builtin_abort ();
MY_ALLOC(array_nested_flex, c, 40);
if (array_nested_flex->b == 40)
__builtin_abort ();
count = array_annotated->b * 2 + array_nested_annotated->b * 3;
struct annotated * annotated_p;
struct flex * flex_p;
struct nested_annotated * nested_annotated_p;
struct nested_flex * nested_flex_p;
MY_ALLOC(annotated_p, c, count);
if (annotated_p->b != count)
__builtin_abort ();
if (__alignof (*__builtin_counted_by_ref (annotated_p->c))
!= __alignof (annotated_p->b))
__builtin_abort ();
if (!__builtin_types_compatible_p
(__typeof (*__builtin_counted_by_ref (annotated_p->c)),
__typeof (annotated_p->b)))
__builtin_abort ();
MY_ALLOC(flex_p, c, count * 2);
if (flex_p->b == count * 2)
__builtin_abort ();
MY_ALLOC(nested_annotated_p, c, count * 3);
if (nested_annotated_p->b != count * 3)
__builtin_abort ();
if (__alignof (*__builtin_counted_by_ref (nested_annotated_p->c))
!= __alignof (nested_annotated_p->b))
__builtin_abort ();
if (!__builtin_types_compatible_p
(__typeof (*__builtin_counted_by_ref (nested_annotated_p->c)),
__typeof (nested_annotated_p->b)))
__builtin_abort ();
MY_ALLOC(nested_flex_p, c, count * 4);
if (nested_flex_p->b == count * 4)
__builtin_abort ();
return 0;
}
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