1  /* Verify that we do not inline isnanf test info -ffast-math code but that we
       2     do inline trivial functions across -Ofast boundary.  */
       3  /* { dg-do run } */
       4  /* { dg-require-effective-target c99_runtime } */
       5  /* { dg-options "-O2"  } */
       6  #include <math.h>
       7  extern int isnanf (float);
       8  /* Can't be inlined because isnanf will be optimized out.  */
       9  static int
      10  cmp (float a)
      11  {
      12    return isnanf (a);
      13  }
      14  /* Can be inlined.  */
      15  static int
      16  move (int a)
      17  {
      18    return a;
      19  }
      20  float a;
      21  void
      22  set ()
      23  {
      24   a=nan("");
      25  }
      26  float b;
      27  __attribute__ ((optimize("Ofast")))
      28  int
      29  main()
      30  {
      31    b++;
      32    if (cmp(a))
      33      __builtin_abort ();
      34    float a = move (1);
      35    if (!__builtin_constant_p (a))
      36      __builtin_abort ();
      37    return 0;
      38  }