implement codegen support for fp immediates.
implement codegen support for fp immediates.


Swift SVN r708

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