Move all Obj-C runtime interaction into CodeGenFunction.
 - Drop duplicate (and broken) code for sending messages.
 - Add EmitObjCProtocolExpr to CodeGenFunction.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@55024 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed