gcc/testsuite/gcc.c-torture/execute/20030125-1.c

   1 /* Verify whether math functions are simplified.  */
   2 double sin(double);
   3 double floor(double);
   4 float
   5 t(float a)
   6 {
   7         return sin(a);
   8 }
   9 float
  10 q(float a)
  11 {
  12         return floor(a);
  13 }
  14 double
  15 q1(float a)
  16 {
  17         return floor(a);
  18 }
  19 float
  20 q2(double a)
  21 {
  22         return floor(a);
  23 }
  24 main()
  25 {
  26 #ifdef __OPTIMIZE__
  27         if (t(0)!=0)
  28                 abort ();
  29         if (q(0)!=0)
  30                 abort ();
  31         if (q1(0)!=0)
  32                 abort ();
  33         if (q2(0)!=0)
  34                 abort ();
  35 #endif
  36         return 0;
  37 }
  38 __attribute__ ((noinline))
  39 double
  40 floor(double a)
  41 {
  42         abort ();
  43 }
  44 __attribute__ ((noinline))
  45 float
  46 floorf(float a)
  47 {
  48         return a;
  49 }
  50 __attribute__ ((noinline))
  51 double
  52 sin(double a)
  53 {
  54         abort ();
  55 }
  56 __attribute__ ((noinline))
  57 float
  58 sinf(float a)
  59 {
  60         return a;
  61 }