[llvm-branch-commits] [clang] [llvm] [LLVM] Add plugin hook for back-ends (PR #170846)

[Alexis Engelke via llvm-branch-commits]

aengelke wrote:

I put up #171872 for the Clang part, which now includes tests and in turn is based on #171868 to make plugins reasonably testable.

If there're no further comments or objections on the LLVM part, I'm going to merge this early next week.

https://github.com/llvm/llvm-project/pull/170846