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 void abort(void);
   5 double sin(double);
   6 double floor(double);
   7 float
   8 t(float a)
   9 {
  10         return sin(a);
  11 }
  12 float
  13 q(float a)
  14 {
  15         return floor(a);
  16 }
  17 double
  18 q1(float a)
  19 {
  20         return floor(a);
  21 }
  22 int
  23 main(void)
  24 {
  25 #ifdef __OPTIMIZE__
  26         if (t(0)!=0)
  27                 abort ();
  28         if (q(0)!=0)
  29                 abort ();
  30         if (q1(0)!=0)
  31                 abort ();
  32 #endif
  33         return 0;
  34 }
  35 __attribute__ ((weak))
  36 double
  37 floor(double a)
  38 {
  39         abort ();
  40 }
  41 __attribute__ ((weak))
  42 float
  43 floorf(float a)
  44 {
  45         return a;
  46 }
  47 __attribute__ ((weak))
  48 double
  49 sin(double a)
  50 {
  51         return a;
  52 }
  53 __attribute__ ((weak))
  54 float
  55 sinf(float a)
  56 {
  57         abort ();
  58 }