IRGen: Emit StringLiteralInst w/o size correctly.
IRGen: Emit StringLiteralInst w/o size correctly.

If the StringLiteralInst type isn't a tuple, emit the literal string pointer without the size.

Swift SVN r4700

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