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

   1 /* Verify whether math functions are simplified.  */
   2 /* { dg-require-effective-target c99_runtime } */
   3 /* { dg-require-weak } */
   4 double sin(double);
   5 double floor(double);
   6 float
   7 t(float a)
   8 {
   9         return sin(a);
  10 }
  11 float
  12 q(float a)
  13 {
  14         return floor(a);
  15 }
  16 double
  17 q1(float a)
  18 {
  19         return floor(a);
  20 }
  21 main()
  22 {
  23 #ifdef __OPTIMIZE__
  24         if (t(0)!=0)
  25                 abort ();
  26         if (q(0)!=0)
  27                 abort ();
  28         if (q1(0)!=0)
  29                 abort ();
  30 #endif
  31         return 0;
  32 }
  33 __attribute__ ((weak))
  34 double
  35 floor(double a)
  36 {
  37         abort ();
  38 }
  39 __attribute__ ((weak))
  40 float
  41 floorf(float a)
  42 {
  43         return a;
  44 }
  45 __attribute__ ((weak))
  46 double
  47 sin(double a)
  48 {
  49         return a;
  50 }
  51 __attribute__ ((weak))
  52 float
  53 sinf(float a)
  54 {
  55         abort ();
  56 }