Only compute ConnectionGraph when needed. small compilation time improvement.
Only compute ConnectionGraph when needed. small compilation time improvement.

Roughly ~2% of DSE compilation time based on milliseconds reported by Instruments.

codestergit/swift,zisko/swift,tardieu/swift,dduan/swift,uasys/swift,sschiau/swift,IngmarStein/swift,nathawes/swift,jmgc/swift,kperryua/swift,return/swift,modocache/swift,KrishMunot/swift,nathawes/swift,xedin/swift,shajrawi/swift,johnno1962d/swift,JGiola/swift,allevato/swift,OscarSwanros/swift,atrick/swift,kstaring/swift,CodaFi/swift,kperryua/swift,zisko/swift,swiftix/swift,lorentey/swift,airspeedswift/swift,xwu/swift,IngmarStein/swift,johnno1962d/swift,sschiau/swift,ahoppen/swift,tardieu/swift,roambotics/swift,Jnosh/swift,ahoppen/swift,parkera/swift,zisko/swift,arvedviehweger/swift,dreamsxin/swift,johnno1962d/swift,slavapestov/swift,slavapestov/swift,kperryua/swift,apple/swift,jmgc/swift,ken0nek/swift,Jnosh/swift,slavapestov/swift,practicalswift/swift,gregomni/swift,JGiola/swift,tinysun212/swift-windows,amraboelela/swift,rudkx/swift,dreamsxin/swift,jckarter/swift,parkera/swift,xedin/swift,ben-ng/swift,lorentey/swift,manavgabhawala/swift,jmgc/swift,hughbe/swift,jopamer/swift,gribozavr/swift,gmilos/swift,IngmarStein/swift,allevato/swift,gribozavr/swift,sschiau/swift,swiftix/swift,brentdax/swift,zisko/swift,ken0nek/swift,harlanhaskins/swift,parkera/swift,brentdax/swift,ben-ng/swift,amraboelela/swift,jtbandes/swift,aschwaighofer/swift,kstaring/swift,apple/swift,uasys/swift,karwa/swift,hooman/swift,karwa/swift,amraboelela/swift,modocache/swift,Jnosh/swift,ken0nek/swift,slavapestov/swift,zisko/swift,austinzheng/swift,felix91gr/swift,frootloops/swift,tinysun212/swift-windows,shahmishal/swift,ahoppen/swift,milseman/swift,djwbrown/swift,alblue/swift,aschwaighofer/swift,adrfer/swift,shahmishal/swift,bitjammer/swift,manavgabhawala/swift,glessard/swift,arvedviehweger/swift,JaSpa/swift,alblue/swift,uasys/swift,deyton/swift,russbishop/swift,harlanhaskins/swift,sschiau/swift,jtbandes/swift,calebd/swift,modocache/swift,bitjammer/swift,devincoughlin/swift,jmgc/swift,JGiola/swift,hooman/swift,felix91gr/swift,bitjammer/swift,tjw/swift,shahmishal/swift,gmilos/swift,jtbandes/swift,ben-ng/swift,tkremenek/swift,shahmishal/swift,adrfer/swift,jmgc/swift,arvedviehweger/swift,zisko/swift,austinzheng/swift,calebd/swift,tkremenek/swift,aschwaighofer/swift,CodaFi/swift,allevato/swift,ken0nek/swift,benlangmuir/swift,lorentey/swift,practicalswift/swift,xedin/swift,brentdax/swift,hughbe/swift,amraboelela/swift,frootloops/swift,shahmishal/swift,tjw/swift,sschiau/swift,devincoughlin/swift,OscarSwanros/swift,manavgabhawala/swift,IngmarStein/swift,manavgabhawala/swift,dduan/swift,practicalswift/swift,natecook1000/swift,dduan/swift,parkera/swift,brentdax/swift,airspeedswift/swift,swiftix/swift,tkremenek/swift,milseman/swift,gmilos/swift,dduan/swift,aschwaighofer/swift,slavapestov/swift,therealbnut/swift,gribozavr/swift,danielmartin/swift,KrishMunot/swift,therealbnut/swift,devincoughlin/swift,sschiau/swift,practicalswift/swift,SwiftAndroid/swift,SwiftAndroid/swift,ben-ng/swift,djwbrown/swift,jckarter/swift,gottesmm/swift,hooman/swift,nathawes/swift,tjw/swift,deyton/swift,modocache/swift,gregomni/swift,sschiau/swift,alblue/swift,russbishop/swift,jtbandes/swift,codestergit/swift,benlangmuir/swift,tardieu/swift,karwa/swift,parkera/swift,djwbrown/swift,frootloops/swift,rudkx/swift,brentdax/swift,hughbe/swift,rudkx/swift,tjw/swift,tinysun212/swift-windows,tjw/swift,hooman/swift,jckarter/swift,tkremenek/swift,xwu/swift,practicalswift/swift,shajrawi/swift,gribozavr/swift,huonw/swift,russbishop/swift,apple/swift,atrick/swift,adrfer/swift,harlanhaskins/swift,karwa/swift,KrishMunot/swift,dduan/swift,tkremenek/swift,SwiftAndroid/swift,benlangmuir/swift,huonw/swift,deyton/swift,JaSpa/swift,danielmartin/swift,natecook1000/swift,adrfer/swift,return/swift,uasys/swift,jckarter/swift,hooman/swift,therealbnut/swift,shajrawi/swift,harlanhaskins/swift,stephentyrone/swift,deyton/swift,ahoppen/swift,gribozavr/swift,practicalswift/swift,CodaFi/swift,gottesmm/swift,codestergit/swift,natecook1000/swift,arvedviehweger/swift,CodaFi/swift,gottesmm/swift,sschiau/swift,parkera/swift,atrick/swift,hooman/swift,deyton/swift,codestergit/swift,tkremenek/swift,lorentey/swift,roambotics/swift,lorentey/swift,johnno1962d/swift,huonw/swift,felix91gr/swift,ben-ng/swift,OscarSwanros/swift,frootloops/swift,amraboelela/swift,gottesmm/swift,bitjammer/swift,arvedviehweger/swift,manavgabhawala/swift,arvedviehweger/swift,aschwaighofer/swift,danielmartin/swift,benlangmuir/swift,aschwaighofer/swift,atrick/swift,swiftix/swift,JaSpa/swift,karwa/swift,austinzheng/swift,milseman/swift,tinysun212/swift-windows,gribozavr/swift,swiftix/swift,therealbnut/swift,djwbrown/swift,danielmartin/swift,russbishop/swift,devincoughlin/swift,karwa/swift,jopamer/swift,stephentyrone/swift,tkremenek/swift,calebd/swift,CodaFi/swift,kperryua/swift,airspeedswift/swift,JGiola/swift,calebd/swift,hughbe/swift,ken0nek/swift,rudkx/swift,djwbrown/swift,shajrawi/swift,huonw/swift,codestergit/swift,gottesmm/swift,xedin/swift,swiftix/swift,uasys/swift,russbishop/swift,jckarter/swift,return/swift,SwiftAndroid/swift,austinzheng/swift,glessard/swift,gregomni/swift,bitjammer/swift,felix91gr/swift,adrfer/swift,roambotics/swift,kstaring/swift,alblue/swift,natecook1000/swift,return/swift,danielmartin/swift,gregomni/swift,lorentey/swift,airspeedswift/swift,JGiola/swift,ken0nek/swift,devincoughlin/swift,milseman/swift,shajrawi/swift,brentdax/swift,shajrawi/swift,JGiola/swift,return/swift,jopamer/swift,stephentyrone/swift,Jnosh/swift,felix91gr/swift,practicalswift/swift,tinysun212/swift-windows,devincoughlin/swift,modocache/swift,jmgc/swift,atrick/swift,ken0nek/swift,jopamer/swift,shajrawi/swift,adrfer/swift,xedin/swift,austinzheng/swift,calebd/swift,harlanhaskins/swift,frootloops/swift,SwiftAndroid/swift,amraboelela/swift,slavapestov/swift,tardieu/swift,JaSpa/swift,shahmishal/swift,xwu/swift,OscarSwanros/swift,gottesmm/swift,practicalswift/swift,austinzheng/swift,parkera/swift,allevato/swift,OscarSwanros/swift,JaSpa/swift,gmilos/swift,gribozavr/swift,glessard/swift,kstaring/swift,kstaring/swift,hughbe/swift,nathawes/swift,shahmishal/swift,arvedviehweger/swift,therealbnut/swift,natecook1000/swift,roambotics/swift,adrfer/swift,stephentyrone/swift,frootloops/swift,gottesmm/swift,jopamer/swift,alblue/swift,jckarter/swift,bitjammer/swift,tinysun212/swift-windows,KrishMunot/swift,gmilos/swift,johnno1962d/swift,modocache/swift,SwiftAndroid/swift,IngmarStein/swift,return/swift,dduan/swift,amraboelela/swift,glessard/swift,roambotics/swift,uasys/swift,Jnosh/swift,ahoppen/swift,CodaFi/swift,Jnosh/swift,rudkx/swift,slavapestov/swift,huonw/swift,jtbandes/swift,Jnosh/swift,felix91gr/swift,russbishop/swift,nathawes/swift,nathawes/swift,natecook1000/swift,karwa/swift,danielmartin/swift,kperryua/swift,harlanhaskins/swift,airspeedswift/swift,uasys/swift,xwu/swift,xedin/swift,therealbnut/swift,tardieu/swift,austinzheng/swift,JaSpa/swift,IngmarStein/swift,deyton/swift,ben-ng/swift,bitjammer/swift,tinysun212/swift-windows,codestergit/swift,xwu/swift,modocache/swift,russbishop/swift,return/swift,CodaFi/swift,calebd/swift,OscarSwanros/swift,natecook1000/swift,stephentyrone/swift,frootloops/swift,airspeedswift/swift,calebd/swift,deyton/swift,allevato/swift,devincoughlin/swift,xwu/swift,xwu/swift,jtbandes/swift,gregomni/swift,KrishMunot/swift,apple/swift,codestergit/swift,benlangmuir/swift,kstaring/swift,manavgabhawala/swift,therealbnut/swift,harlanhaskins/swift,kperryua/swift,huonw/swift,jmgc/swift,atrick/swift,gmilos/swift,glessard/swift,tjw/swift,IngmarStein/swift,roambotics/swift,apple/swift,xedin/swift,kperryua/swift,hughbe/swift,brentdax/swift,huonw/swift,alblue/swift,tardieu/swift,KrishMunot/swift,manavgabhawala/swift,gregomni/swift,hughbe/swift,johnno1962d/swift,ahoppen/swift,aschwaighofer/swift,lorentey/swift,danielmartin/swift,hooman/swift,stephentyrone/swift,swiftix/swift,nathawes/swift,shajrawi/swift,allevato/swift,zisko/swift,SwiftAndroid/swift,shahmishal/swift,KrishMunot/swift,gribozavr/swift,milseman/swift,alblue/swift,xedin/swift,dduan/swift,parkera/swift,johnno1962d/swift,milseman/swift,devincoughlin/swift,jopamer/swift,benlangmuir/swift,djwbrown/swift,milseman/swift,airspeedswift/swift,jtbandes/swift,lorentey/swift,rudkx/swift,JaSpa/swift,karwa/swift,tjw/swift,jckarter/swift,ben-ng/swift,apple/swift,felix91gr/swift,stephentyrone/swift,djwbrown/swift,OscarSwanros/swift,tardieu/swift,gmilos/swift,glessard/swift,kstaring/swift,allevato/swift,jopamer/swift