Tidy and document the last part of the pass manager builder. NFC.
Tidy and document the last part of the pass manager builder. NFC.

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