Add Type::hasPointerRepresentation predicate.
 - For types whose native representation is a pointer.

 - Use to replace ExprConstant.cpp:HasPointerEvalType,
   CodeGenFunction::isObjCPointerType.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@65569 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed