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 #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 }