gcc/testsuite/gcc.dg/varpool-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2" } */
   3 /* { dg-final { scan-assembler-not "unnecesary_static_initialized_variable" } } */
   4
   5 static int unnecesary_static_initialized_variable;
   6 static int *unnecesary_static_initialized_variable2 =
   7   &unnecesary_static_initialized_variable;
   8 static inline
   9 simplify_after_inline (int param1, int *param2)
  10 {
  11   if (unnecesary_static_initialized_variable != param1)
  12     return unnecesary_static_initialized_variable;
  13   if (unnecesary_static_initialized_variable2 != param2)
  14     return unnecesary_static_initialized_variable;
  15 }
  16
  17 main ()
  18 {
  19   return simplify_after_inline (unnecesary_static_initialized_variable,
  20                                 unnecesary_static_initialized_variable2) +
  21     simplify_after_inline (unnecesary_static_initialized_variable,
  22                            unnecesary_static_initialized_variable2);
  23 }