SILGen: Simplify AnyObject dispatch logic a bit
SILGen: Simplify AnyObject dispatch logic a bit

ahoppen/swift,nathawes/swift,jmgc/swift,ahoppen/swift,frootloops/swift,harlanhaskins/swift,rudkx/swift,amraboelela/swift,jmgc/swift,gregomni/swift,gribozavr/swift,lorentey/swift,gregomni/swift,nathawes/swift,parkera/swift,jmgc/swift,jmgc/swift,practicalswift/swift,gribozavr/swift,nathawes/swift,CodaFi/swift,practicalswift/swift,aschwaighofer/swift,huonw/swift,roambotics/swift,jopamer/swift,karwa/swift,tjw/swift,austinzheng/swift,zisko/swift,devincoughlin/swift,natecook1000/swift,hooman/swift,ahoppen/swift,stephentyrone/swift,shahmishal/swift,natecook1000/swift,tkremenek/swift,atrick/swift,apple/swift,atrick/swift,airspeedswift/swift,ahoppen/swift,xwu/swift,brentdax/swift,JGiola/swift,parkera/swift,apple/swift,rudkx/swift,shahmishal/swift,JGiola/swift,devincoughlin/swift,benlangmuir/swift,practicalswift/swift,xedin/swift,jopamer/swift,harlanhaskins/swift,shajrawi/swift,airspeedswift/swift,austinzheng/swift,stephentyrone/swift,hooman/swift,lorentey/swift,karwa/swift,harlanhaskins/swift,airspeedswift/swift,parkera/swift,roambotics/swift,lorentey/swift,karwa/swift,gribozavr/swift,xedin/swift,natecook1000/swift,alblue/swift,stephentyrone/swift,austinzheng/swift,shajrawi/swift,devincoughlin/swift,huonw/swift,jckarter/swift,danielmartin/swift,devincoughlin/swift,frootloops/swift,karwa/swift,nathawes/swift,lorentey/swift,gribozavr/swift,hooman/swift,practicalswift/swift,natecook1000/swift,jckarter/swift,gregomni/swift,aschwaighofer/swift,huonw/swift,austinzheng/swift,zisko/swift,gribozavr/swift,apple/swift,tjw/swift,brentdax/swift,glessard/swift,CodaFi/swift,JGiola/swift,shajrawi/swift,stephentyrone/swift,apple/swift,practicalswift/swift,practicalswift/swift,xedin/swift,tjw/swift,shajrawi/swift,devincoughlin/swift,huonw/swift,amraboelela/swift,zisko/swift,xedin/swift,shajrawi/swift,CodaFi/swift,shahmishal/swift,jckarter/swift,shajrawi/swift,jckarter/swift,glessard/swift,devincoughlin/swift,sschiau/swift,ahoppen/swift,jopamer/swift,allevato/swift,hooman/swift,stephentyrone/swift,airspeedswift/swift,roambotics/swift,lorentey/swift,parkera/swift,tkremenek/swift,glessard/swift,benlangmuir/swift,nathawes/swift,parkera/swift,CodaFi/swift,parkera/swift,nathawes/swift,danielmartin/swift,jckarter/swift,tkremenek/swift,brentdax/swift,sschiau/swift,JGiola/swift,practicalswift/swift,apple/swift,brentdax/swift,shahmishal/swift,airspeedswift/swift,xedin/swift,natecook1000/swift,frootloops/swift,stephentyrone/swift,xwu/swift,alblue/swift,nathawes/swift,aschwaighofer/swift,danielmartin/swift,benlangmuir/swift,shahmishal/swift,parkera/swift,hooman/swift,amraboelela/swift,aschwaighofer/swift,austinzheng/swift,lorentey/swift,brentdax/swift,tjw/swift,shajrawi/swift,lorentey/swift,benlangmuir/swift,harlanhaskins/swift,hooman/swift,JGiola/swift,jmgc/swift,amraboelela/swift,ahoppen/swift,allevato/swift,lorentey/swift,amraboelela/swift,benlangmuir/swift,brentdax/swift,atrick/swift,huonw/swift,xwu/swift,allevato/swift,sschiau/swift,alblue/swift,frootloops/swift,xwu/swift,rudkx/swift,roambotics/swift,atrick/swift,zisko/swift,brentdax/swift,sschiau/swift,shahmishal/swift,glessard/swift,xwu/swift,allevato/swift,allevato/swift,xwu/swift,xedin/swift,airspeedswift/swift,danielmartin/swift,danielmartin/swift,parkera/swift,zisko/swift,xedin/swift,roambotics/swift,austinzheng/swift,alblue/swift,tkremenek/swift,gregomni/swift,jckarter/swift,tjw/swift,zisko/swift,frootloops/swift,jckarter/swift,harlanhaskins/swift,rudkx/swift,gregomni/swift,austinzheng/swift,alblue/swift,sschiau/swift,aschwaighofer/swift,jopamer/swift,alblue/swift,glessard/swift,jopamer/swift,amraboelela/swift,devincoughlin/swift,jmgc/swift,CodaFi/swift,aschwaighofer/swift,tjw/swift,danielmartin/swift,sschiau/swift,alblue/swift,allevato/swift,shahmishal/swift,airspeedswift/swift,sschiau/swift,aschwaighofer/swift,apple/swift,huonw/swift,harlanhaskins/swift,natecook1000/swift,tkremenek/swift,practicalswift/swift,gribozavr/swift,xwu/swift,sschiau/swift,CodaFi/swift,benlangmuir/swift,JGiola/swift,rudkx/swift,karwa/swift,harlanhaskins/swift,gregomni/swift,glessard/swift,frootloops/swift,natecook1000/swift,danielmartin/swift,zisko/swift,frootloops/swift,CodaFi/swift,gribozavr/swift,devincoughlin/swift,karwa/swift,roambotics/swift,atrick/swift,karwa/swift,atrick/swift,karwa/swift,shahmishal/swift,jopamer/swift,rudkx/swift,amraboelela/swift,hooman/swift,tkremenek/swift,allevato/swift,gribozavr/swift,tjw/swift,xedin/swift,tkremenek/swift,jopamer/swift,jmgc/swift,shajrawi/swift,huonw/swift,stephentyrone/swift