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/* { dg-do compile } */
/* { dg-require-effective-target inf } */
/* { dg-options "-O1 -fno-trapping-math -fno-finite-math-only -fdump-tree-optimized" } */
extern void f(int);
extern void link_error ();
extern float x;
extern double y;
extern long double z;
int
main ()
{
double pinf = __builtin_inf ();
float pinff = __builtin_inff ();
long double pinfl = __builtin_infl ();
if (__builtin_isinf (pinf) != 1)
link_error ();
if (__builtin_isinf (pinff) != 1)
link_error ();
if (__builtin_isinff (pinff) != 1)
link_error ();
if (__builtin_isinf (pinfl) != 1)
link_error ();
if (__builtin_isinfl (pinfl) != 1)
link_error ();
if (__builtin_isinf_sign (-pinf) != -1)
link_error ();
if (__builtin_isinf_sign (-pinff) != -1)
link_error ();
if (__builtin_isinf_sign (-pinfl) != -1)
link_error ();
if (__builtin_isinf (4.0))
link_error ();
if (__builtin_isinf (4.0))
link_error ();
if (__builtin_isinff (4.0))
link_error ();
if (__builtin_isinf (4.0))
link_error ();
if (__builtin_isinfl (4.0))
link_error ();
}
/* Check that all instances of link_error were subject to DCE. */
/* { dg-final { scan-tree-dump-times "link_error" 0 "optimized" } } */
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