LICM: Add a driver for propagating loop summary information up the call tree
LICM: Add a driver for propagating loop summary information up the call tree

NFC yet.

Swift SVN r25872

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