ABCOpts: Let's handle loops with split backedges
ABCOpts: Let's handle loops with split backedges

Swift SVN r27842

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r/swift,JaSpa/swift,therealbnut/swift,manavgabhawala/swift,parkera/swift,ben-ng/swift,jopamer/swift,IngmarStein/swift,LeoShimonaka/swift,gribozavr/swift,hooman/swift,huonw/swift,return/swift,karwa/swift,return/swift,manavgabhawala/swift,CodaFi/swift,slavapestov/swift,karwa/swift,mightydeveloper/swift,kperryua/swift,shajrawi/swift,tjw/swift,gmilos/swift,shahmishal/swift,JaSpa/swift,parkera/swift,tardieu/swift,austinzheng/swift,kstaring/swift,uasys/swift,KrishMunot/swift,jtbandes/swift,xedin/swift,parkera/swift,jtbandes/swift,atrick/swift,LeoShimonaka/swift,SwiftAndroid/swift,uasys/swift,arvedviehweger/swift,danielmartin/swift,hughbe/swift,SwiftAndroid/swift,swiftix/swift.old,lorentey/swift,lorentey/swift,JGiola/swift,russbishop/swift,lorentey/swift,mightydeveloper/swift,manavgabhawala/swift,shahmishal/swift,mightydeveloper/swift,hooman/swift,danielmartin/swift,cbrentharris/swift,dduan/swift,harlanhaskins/swift,Ivacker/swift,CodaFi/swift,austinzheng/swift,djwbrown/swift,arvedviehweger/swift,tjw/swift,zisko/swift,jmgc/swift,allevato/swift,nathawes/swift,johnno1962d/swift,devincoughlin/swift,OscarSwanros/swift,danielmartin/swift,LeoShimonaka/swift,cbrentharris/swift,kentya6/swift,tardieu/swift,amraboelela/swift,OscarSwanros/swift,manavgabhawala/swift,lorentey/swift,alblue/swift,calebd/swift,aschwaighofer/swift,nathawes/swift,xwu/swift,sschiau/swift,milseman/swift,allevato/swift,devincoughlin/swift,sdulal/swift,roambotics/swift,benlangmuir/swift,therealbnut/swift,adrfer/swift,swiftix/swift,kperryua/swift,aschwaighofer/swift,sdulal/swift,MukeshKumarS/Swift,tkremenek/swift,alblue/swift,rudkx/swift,shahmishal/swift,amraboelela/swift,alblue/swift,cbrentharris/swift,jckarter/swift,ken0nek/swift,ken0nek/swift,khizkhiz/swift,atrick/swift,deyton/swift,amraboelela/swift,karwa/swift,sdulal/swift,swiftix/swift.old,tkremenek/swift,nathawes/swift,apple/swift,gmilos/swift,gribozavr/swift,lorentey/swift,codestergit/swift,sschiau/swift,dduan/swift,nathawes/swift,return/swift,rudkx/swift,xedin/swift,apple/swift,parkera/swift,uasys/swift,brentdax/swift,kperryua/swift,MukeshKumarS/Swift,CodaFi/swift,gribozavr/swift,parkera/swift,tkremenek/swift,brentdax/swift,ben-ng/swift,frootloops/swift,emilstahl/swift,tjw/swift,KrishMunot/swift,jmgc/swift,milseman/swift,frootloops/swift,bitjammer/swift,manavgabhawala/swift,gregomni/swift,kstaring/swift,cbrentharris/swift,stephentyrone/swift,KrishMunot/swift,xwu/swift,ahoppen/swift,rudkx/swift,JaSpa/swift,tkremenek/swift,therealbnut/swift,mightydeveloper/swift,modocache/swift,slavapestov/swift,benlangmuir/swift,dreamsxin/swift,karwa/swift,sschiau/swift,gribozavr/swift,devincoughlin/swift,hughbe/swift,huonw/swift,codestergit/swift,austinzheng/swift,ahoppen/swift,jtbandes/swift,felix91gr/swift,jckarter/swift,dduan/swift,codestergit/swift,karwa/swift,JaSpa/swift,tinysun212/swift-windows,stephentyrone/swift,tardieu/swift,roambotics/swift,kstaring/swift,swiftix/swift,djwbrown/swift,danielmartin/swift,shajrawi/swift,devincoughlin/swift,brentdax/swift,xedin/swift,shajrawi/swift,OscarSwanros/swift,jtbandes/swift,austinzheng/swift,milseman/swift,kentya6/swift,hooman/swift,airspeedswift/swift,deyton/swift,jtbandes/swift,parkera/swift,practicalswift/swift,russbishop/swift,airspeedswift/swift,kusl/swift,Jnosh/swift,tardieu/swift,amraboelela/swift,ahoppen/swift,karwa/swift,gribozavr/swift,russbishop/swift,modocache/swift,JGiola/swift,tinysun212/swift-windows,bitjammer/swift,deyton/swift,jmgc/swift,adrfer/swift,IngmarStein/swift,SwiftAndroid/swift,bitjammer/swift,kperryua/swift,milseman/swift,russbishop/swift,sschiau/swift,stephentyrone/swift,kusl/swift,benlangmuir/swift,khizkhiz/swift,djwbrown/swift,SwiftAndroid/swift,tkremenek/swift,kentya6/swift,sdulal/swift,xedin/swift,gottesmm/swift,austinzheng/swift,shahmishal/swift,brentdax/swift,JGiola/swift,gottesmm/swift,alblue/swift,dreamsxin/swift,jmgc/swift,IngmarStein/swift,emilstahl/swift,harlanhaskins/swift,practicalswift/swift,jopamer/swift,nathawes/swift,ben-ng/swift,gmilos/swift,OscarSwanros/swift,hughbe/swift,huonw/swift,nathawes/swift,KrishMunot/swift,hughbe/swift,adrfer/swift,hughbe/swift,harlanhaskins/swift,xedin/swift,shajrawi/swift,adrfer/swift,xwu/swift,Ivacker/swift,ahoppen/swift,natecook1000/swift,dduan/swift,codestergit/swift,cbrentharris/swift,modocache/swift,MukeshKumarS/Swift,zisko/swift,zisko/swift,stephentyrone/swift,huonw/swift,brentdax/swift,deyton/swift,slavapestov/swift,natecook1000/swift,deyton/swift,tinysun212/swift-windows,kperryua/swift,huonw/swift,kperryua/swift,jckarter/swift,dduan/swift,karwa/swift,harlanhaskins/swift,glessard/swift,codestergit/swift,jopamer/swift,xwu/swift,gottesmm/swift,swiftix/swift,gregomni/swift,Ivacker/swift,uasys/swift,alblue/swift,ben-ng/swift,harlanhaskins/swift,atrick/swift,bitjammer/swift