[llvm] [llvm] Add `BasicTTIImpl::areInlineCompatible` for target feature subset checks (PR #117493)

[Nikita Popov via llvm-commits]

https://github.com/nikic approved this pull request.

LGTM, I think this is a good default assumption. (Essentially, that the target doesn't have "negative" features that are problematic for inlining.)

https://github.com/llvm/llvm-project/pull/117493