Viewing file:  builtin-choose-expr.c (2.13 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
/* { dg-do run } */
/* { dg-options "-O1 -Wall" } */
#define choose __builtin_choose_expr
/* Check the type of __builtin_choose_expr between E1 and E2, both
ways round and with both 0 and 1 as the condition. */
#define ASSERT_COND_TYPE(E1, E2) \
do { \
typedef __typeof(E1) T1; \
typedef __typeof(E2) T2; \
typedef T1 **T1pp; \
typedef T2 **T2pp; \
typedef __typeof(choose (1, (E1), (E2))) T1a; \
typedef __typeof(choose (0, (E2), (E1))) T1b; \
typedef __typeof(choose (1, (E2), (E1))) T2a; \
typedef __typeof(choose (0, (E1), (E2))) T2b; \
typedef T1a **T1app; \
typedef T1b **T1bpp; \
typedef T2a **T2app; \
typedef T2b **T2bpp; \
T1pp t1 = 0; \
T2pp t2 = 0; \
T1app t1a = 0; \
T1bpp t1b = 0; \
T2app t2a = 0; \
T2bpp t2b = 0; \
t1 = t1a; \
t1 = t1b; \
t2 = t2a; \
t2 = t2b; \
(void) t1; \
(void) t2; \
} while (0)
extern void abort ();
extern void exit ();
void bad ()
{
abort ();
}
void good ()
{
exit (0);
}
int main (void)
{
signed char sc1, sc2;
void *v1;
int i, j;
double dd;
float f;
typedef void (*fpt)(void);
fpt triple;
struct S { int x, y; } pour, some, sugar;
union u { int p; } united, nations;
if (__builtin_choose_expr (0, 12, 0)
|| !__builtin_choose_expr (45, 5, 0)
|| !__builtin_choose_expr (45, 3, 0))
abort ();
ASSERT_COND_TYPE (sc1, sc2);
ASSERT_COND_TYPE (v1, sc1);
ASSERT_COND_TYPE (i, j);
ASSERT_COND_TYPE (dd, main);
ASSERT_COND_TYPE ((float)dd, i);
ASSERT_COND_TYPE (4, f);
ASSERT_COND_TYPE (triple, some);
ASSERT_COND_TYPE (united, nations);
ASSERT_COND_TYPE (nations, main);
pour.y = 69;
__builtin_choose_expr (0, bad (), sugar) = pour;
if (sugar.y != 69)
abort ();
__builtin_choose_expr (sizeof (int), f, bad ()) = 3.5F;
if (f != 3.5F)
abort ();
__builtin_choose_expr (1, good, bad)();
exit (0);
}
|
