gcc/testsuite/gcc.dg/tree-ssa/dce-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-cddce1" } */
   3 int foo (int b, int j)
   4 {
   5   if (b)
   6     {
   7       int i;
   8       for (i = 0; i<1000; ++i)
   9         ;
  10       j = 0;
  11     }
  12   return j;
  13 }
  14 /* Check that empty loop is eliminated in this case.  We should no longer have
  15    the exit condition after the loop.  */
  16 /* { dg-final { scan-tree-dump-not "999)" "cddce1"} } */
  17 /* { dg-final { scan-tree-dump-not "1000)" "cddce1"} } */
  18