[sil-simplify-cfg] Add a test to ensure that no jump-threading is performed for checked_cast_br inside BBs that contain instructions which cannot be cloned.
[sil-simplify-cfg] Add a test to ensure that no jump-threading is performed for checked_cast_br inside BBs that contain instructions which cannot be cloned.

Swift SVN r23207

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