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-require-effective-target c99_runtime } */
   5 /* { dg-options "-O2"  } */
   6 /* { dg-add-options c99_runtime } */
   7 #include <math.h>
   8 extern int isnanf (float);
   9 /* Can't be inlined because isnanf will be optimized out.  */
  10 int
  11 cmp (float a)
  12 {
  13   return isnanf (a);
  14 }
  15 /* Can be inlined.  */
  16 int
  17 move (int a)
  18 {
  19   return a;
  20 }
  21 float a;
  22 void
  23 set ()
  24 {
  25  a=nan("");
  26 }
  27 float b;
  28 __attribute__ ((optimize("Ofast")))
  29 int
  30 main()
  31 {
  32   b++;
  33   if (cmp(a))
  34     __builtin_abort ();
  35   float a = move (1);
  36   if (!__builtin_constant_p (a))
  37     __builtin_abort ();
  38   return 0;
  39 }