if (nloop.get(in.getNumber())) continue;
if (inLoop (in, nloop)) continue;
  static void killFallThroughs (OPT_IR ir, OPT_BitVector nloop) {    OPT_BasicBlockEnumeration bs = ir.getBasicBlocks (nloop);    while (bs.hasMoreElements()) {      OPT_BasicBlock block = bs.next();      OPT_BasicBlockEnumeration bi = block.getIn();      while (bi.hasMoreElements()) {	OPT_BasicBlock in = bi.next();	if (nloop.get(in.getNumber())) continue;	killFallThrough(in);      }      killFallThrough(block);    }  }