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