[LLVM-C] Add bindings to create enumerators

Summary: The C API don't have the bindings to create enumerators, needed to create an enumeration.

Reviewers: whitequark, CodaFi, harlanhaskins, deadalnix

Reviewed By: whitequark, CodaFi, harlanhaskins

Subscribers: hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D58323

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@354237 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed