[GMR] Wrap all of the per-function information behind a more strongly
typed interface as a precursor to rewriting how it is stored.

This way we know that the access paths are controlled and it should be
easy to store these bits in a different way.

No functionality changed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242974 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed