CFG: Allow splitting of critical edges for all terminators
CFG: Allow splitting of critical edges for all terminators

This adds code so that we can split critical edges from instructions that are
not conditional branch instructions.

Swift SVN r22756

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