1  /* { dg-do compile } */
       2  /* { dg-options "-O -g -fdump-tree-backprop-details" }  */
       3  
       4  /* Test a simple case of non-looping code in which one use ignores
       5     the sign but another doesn't.  */
       6  #define TEST_FUNCTION(TYPE, SUFFIX)				\
       7    TYPE								\
       8    test##SUFFIX (TYPE x, int sel1, int sel2)			\
       9    {								\
      10      TYPE input = sel1 ? -x : __builtin_fabs##SUFFIX (x);	\
      11      if (sel2)							\
      12        return __builtin_cos##SUFFIX (input);			\
      13      else							\
      14        return __builtin_sin##SUFFIX (input);			\
      15    }
      16  
      17  TEST_FUNCTION (float, f)
      18  TEST_FUNCTION (double, )
      19  TEST_FUNCTION (long double, l)
      20  
      21  /* { dg-final { scan-tree-dump-times {Deleting[^\n]* = -x} 0 "backprop" } } */