1 /* { dg-do compile } */
2 /* { dg-require-effective-target inf } */
3 /* { dg-options "-O1 -fno-trapping-math -fno-finite-math-only -fdump-tree-optimized" } */
4 
5 extern void f(int);
6 extern void link_error ();
7 
8 extern float x;
9 extern double y;
10 extern long double z;
11 
12 int
main()13 main ()
14 {
15   double nan = __builtin_nan ("");
16   float nanf = __builtin_nanf ("");
17   long double nanl = __builtin_nanl ("");
18 
19   double pinf = __builtin_inf ();
20   float pinff = __builtin_inff ();
21   long double pinfl = __builtin_infl ();
22 
23   if (__builtin_finite (pinf))
24     link_error ();
25   if (__builtin_finitef (pinff))
26     link_error ();
27   if (__builtin_finitel (pinfl))
28     link_error ();
29 
30   if (__builtin_finite (nan))
31     link_error ();
32   if (__builtin_finitef (nanf))
33     link_error ();
34   if (__builtin_finitel (nanl))
35     link_error ();
36 
37   if (!__builtin_finite (4.0))
38     link_error ();
39   if (!__builtin_finitef (4.0))
40     link_error ();
41   if (!__builtin_finitel (4.0))
42     link_error ();
43 }
44 
45 
46 /* Check that all instances of link_error were subject to DCE.  */
47 /* { dg-final { scan-tree-dump-times "link_error" 0 "optimized" } } */
48