gcc/testsuite/gcc.dg/builtins-62.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -ffinite-math-only -fdump-tree-optimized" } */
   3 /* { dg-require-effective-target c99_runtime } */
   4
   5 double test1 (double x)
   6 {
   7   double s, c;
   8   s = __builtin_sin (x);
   9   c = __builtin_cos (x);
  10   return s + c;
  11 }
  12
  13 double test2 (double x)
  14 {
  15   double s, c;
  16   x = x * 2;
  17   s = __builtin_sin (x);
  18   c = __builtin_cos (x);
  19   return s + c;
  20 }
  21
  22 double test3 (double x, int b)
  23 {
  24   double s, c;
  25   if (b)
  26     x = x * 2;
  27   s = __builtin_sin (x);
  28   c = __builtin_cos (x);
  29   return s + c;
  30 }
  31
  32 double test4 (double x)
  33 {
  34   double s;
  35   x = x * 2;
  36   s = __builtin_sin (x);
  37   return s;
  38 }
  39
  40 /* { dg-final { scan-tree-dump-times "cexpi" 3 "optimized" } } */