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 main()
  20 {
  21 #ifdef __OPTIMIZE__
  22         if (t(0)!=0)
  23                 abort ();
  24         if (q(0)!=0)
  25                 abort ();
  26         if (q1(0)!=0)
  27                 abort ();
  28 #endif
  29         return 0;
  30 }
  31 __attribute__ ((noinline))
  32 double
  33 floor(double a)
  34 {
  35         abort ();
  36 }
  37 __attribute__ ((noinline))
  38 float
  39 floorf(float a)
  40 {
  41         return a;
  42 }
  43 __attribute__ ((noinline))
  44 double
  45 sin(double a)
  46 {
  47         return a;
  48 }
  49 __attribute__ ((noinline))
  50 float
  51 sinf(float a)
  52 {
  53         abort ();
  54 }