Viewing file:  pr56205.c (1.26 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
/* PR tree-optimization/56205 */
#include <stdarg.h>
int a, b;
char c[128];
__attribute__((noinline, noclone)) static void
f1 (const char *fmt, ...)
{
va_list ap;
asm volatile ("" : : : "memory");
if (__builtin_strcmp (fmt, "%s %d %s") != 0)
__builtin_abort ();
va_start (ap, fmt);
if (__builtin_strcmp (va_arg (ap, const char *), "foo") != 0
|| va_arg (ap, int) != 1
|| __builtin_strcmp (va_arg (ap, const char *), "bar") != 0)
__builtin_abort ();
va_end (ap);
}
__attribute__((noinline, noclone)) static void
f2 (const char *fmt, va_list ap)
{
asm volatile ("" : : : "memory");
if (__builtin_strcmp (fmt, "baz") != 0
|| __builtin_strcmp (va_arg (ap, const char *), "foo") != 0
|| va_arg (ap, double) != 12.0
|| va_arg (ap, int) != 26)
__builtin_abort ();
}
static void
f3 (int x, char const *y, va_list z)
{
f1 ("%s %d %s", x ? "" : "foo", ++a, (y && *y) ? "bar" : "");
if (y && *y)
f2 (y, z);
}
__attribute__((noinline, noclone)) void
f4 (int x, char const *y, ...)
{
va_list z;
va_start (z, y);
if (!x && *c == '\0')
++b;
f3 (x, y, z);
va_end (z);
}
int
main ()
{
asm volatile ("" : : : "memory");
f4 (0, "baz", "foo", 12.0, 26);
if (a != 1 || b != 1)
__builtin_abort ();
return 0;
}
|
