simplify the interfaces to create selectors: getSelector can take any 
number of arguments now and does the right thing, but the nullary/unary
accessors are preserved as convenience functions.  This allows us to
slightly simplify clients.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@42716 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed