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()13main () 14 { 15 double pinf = __builtin_inf (); 16 float pinff = __builtin_inff (); 17 long double pinfl = __builtin_infl (); 18 19 if (__builtin_isinf (pinf) != 1) 20 link_error (); 21 if (__builtin_isinf (pinff) != 1) 22 link_error (); 23 if (__builtin_isinff (pinff) != 1) 24 link_error (); 25 if (__builtin_isinf (pinfl) != 1) 26 link_error (); 27 if (__builtin_isinfl (pinfl) != 1) 28 link_error (); 29 30 if (__builtin_isinf_sign (-pinf) != -1) 31 link_error (); 32 if (__builtin_isinf_sign (-pinff) != -1) 33 link_error (); 34 if (__builtin_isinf_sign (-pinfl) != -1) 35 link_error (); 36 37 if (__builtin_isinf (4.0)) 38 link_error (); 39 if (__builtin_isinf (4.0)) 40 link_error (); 41 if (__builtin_isinff (4.0)) 42 link_error (); 43 if (__builtin_isinf (4.0)) 44 link_error (); 45 if (__builtin_isinfl (4.0)) 46 link_error (); 47 } 48 49 50 /* Check that all instances of link_error were subject to DCE. */ 51 /* { dg-final { scan-tree-dump-times "link_error" 0 "optimized" } } */ 52