There's no need and sometimes not wise to make an evolved Pokemon from AR since it may miss quite lots of moves learned in previous stages.
Togekiss' moveset as Sweeper would be (from serebii)
Ability: Serene Grace
@Leftovers
Aura Sphere
Air Slash
Roost
Nasty Plot [egg]
Or Choice Specs moveset (from serebii)
Ability: Serene Grace
@Choice Specs
Air Slash
Grass Knot
Aura Sphere
Flamethrower / Shadow Ball