[PATCH] D109192: [WIP/DNM] Support: introduce public API annotation support

[Saleem Abdulrasool via Phabricator via llvm-commits]

compnerd added a comment.

This is a preliminary patch which is incomplete.  I wanted to put this up earlier rather than later because I suspect that this is going to require a few iterations while we figure out the exact details of the style that we want to use (e.g. `*_API` vs `*_ABI` vs `*_EXPORT`), location of the annotation, and the style of the annotation (e.g. `LLVMSupport_API` inline vs prefix vs `LLVMSupport_API(return type)`).  Additionally, the API surface to audit is fairly large, so snapshotting is helpful.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D109192/new/

https://reviews.llvm.org/D109192