if (self.getInitWork()!=null) { addEntryExit(self.getInitWork()); }
    public void preVisitFeedbackLoop(SIRFeedbackLoop self,				     SIRStream parent,				     JFieldDeclaration[] fields,				     JMethodDeclaration[] methods,				     JMethodDeclaration init,				     int delay,				     JMethodDeclaration initPath) {	// don't do anything--visit on the way up    }