private boolean canUnroll(UnrollInfo info, Hashtable currentModified) { if (info==null || currentModified.containsKey(info.var)) {
private boolean canUnroll(LoopIterInfo info, Hashtable currentModified) { if (info==null || currentModified.containsKey(info.getVar())) {
    private boolean canUnroll(UnrollInfo info, Hashtable currentModified) {        if (info==null || currentModified.containsKey(info.var)) {            return false;        }        return true;    }