gcc/testsuite/gcc.dg/ipa/inline-8.c

   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-options "-O2"  } */
   5 #include <math.h>
   6 /* Can't be inlined because isnanf will be optimized out.  */
   7 int
   8 cmp (float a)
   9 {
  10   return isnanf (a);
  11 }
  12 /* Can be inlined.  */
  13 int
  14 move (int a)
  15 {
  16   return a;
  17 }
  18 float a;
  19 void
  20 set ()
  21 {
  22  a=nan("");
  23 }
  24 float b;
  25 __attribute__ ((optimize("Ofast")))
  26 int
  27 main()
  28 {
  29   b++;
  30   if (cmp(a))
  31     __builtin_abort ();
  32   float a = move (1);
  33   if (!__builtin_constant_p (a))
  34     __builtin_abort ();
  35   return 0;
  36 }