gnu/dist/gcc4/gcc/testsuite/gcc.dg/tree-ssa/cfgcleanup-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-dce1" } */
   3 void
   4 cleanup (int a, int b)
   5 {
   6   if (a)
   7     if (b)
   8       a = 1;
   9     else
  10       b = 1;
  11   else if (a)
  12     a = 1;
  13   else
  14     b = 1;
  15   return;
  16 }
  17 /* Dce should get rid of the initializers and cfgcleanup should elliminate ifs  */
  18 /* { dg-final { scan-tree-dump-times "if " 0 "dce1"} } */
  19 /* { dg-final { cleanup-tree-dump "dce1" } } */