can this Irule be optimized?

 
 when HTTP_REQUEST { 
     if { [matchclass [string tolower [HTTP::uri]] starts_with $::legacyPaths] } { 
          checked for matchclass == legacyPaths and forward to Legacy_http_pool 
           snat 172.23.0.60 
           HTTP::header insert X-Forwarded-For [IP::remote_addr] this was done to test i am trying to do it using http profile.. 
           used for debub 
           HTTP::redirect http://www.google.com 
           pool Legacy_http_pool 
       } else { 
            when uri matches admin in Literatum check for source ip 
           if { [string tolower [HTTP::uri]] starts_with "/admin" and (not [matchclass [IP::remote_addr] equals $::Admin]) } { 
               path for admin uri but not internal IP 
               log local0. "External IP ([IP::remote_addr]) attempting to access admin path ([HTTP::uri])" 
               HTTP::redirect http://redirect.com/404.html 
           } else { 
                pool Stage_http_pool 
           } 
     } 
 }  
 

 
 when HTTP_REQUEST { 
  
    if { (not [matchclass [string tolower [HTTP::uri]] starts_with $::LegacyExceptions]) and ([matchclass [string tolower [HTTP::uri]] starts_with $::LegacyPaths]) } { 
  
       checked for matchclass != exceptions and == LegacyPaths and forward to Legacy_http_pool 
       use snatpool atypon_SNAT 
       log local0. "*****DEBUG SNAT applied" 
  
       snat 172.23.0.60 
       pool Legacy_http_pool 
  
       HTTP::redirect http://www.google.com 
  
    } else { 
  
        when uri matches admin in Literatum check for source ip 
       if { [HTTP::uri] starts_with "/admin" and (not [matchclass [IP::remote_addr] equals $::Admin]) } { 
  
  Literatum path for admin uri but not internal IP 
          log local0. "External IP ([IP::remote_addr]) attempting to access admin path ([HTTP::uri])" 
          HTTP::redirect http://redirect.com/404.html 
  
       } else { 
          pool Stage_http_pool 
       } 
    } 
 }