gcc/testsuite/gcc.dg/pr104389.c

   1 /* PR tree-optimization/104389 */
   2 /* { dg-do run } */
   3 /* { dg-options "-O2" } */
   4 /* { dg-add-options ieee } */
   5 /* { dg-require-effective-target inf } */
   6
   7 __attribute__((noipa)) double
   8 foo (void)
   9 {
  10   double a = __builtin_huge_val ();
  11   return a * 0.0;
  12 }
  13
  14 __attribute__((noipa)) long double
  15 bar (void)
  16 {
  17   return __builtin_huge_vall () * 0.0L;
  18 }
  19
  20 int
  21 main ()
  22 {
  23   if (!__builtin_isnan (foo ()) || !__builtin_isnanl (bar ()))
  24     __builtin_abort ();
  25   return 0;
  26 }