[ModRefInfo] Make enum ModRefInfo an enum class [NFC].
Summary:
Make enum ModRefInfo an enum class. Changes to ModRefInfo values should
be done using inline wrappers.
This should prevent future bit-wise opearations from being added, which can be more error-prone.
Reviewers: sanjoy, dberlin, hfinkel, george.burgess.iv
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D40933
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320107 91177308-0d34-0410-b5e6-96231b3b80d8
14 files changed