[llvm] CodeGen: Keep reference to TargetRegisterInfo in TargetInstrInfo (PR #158224)

[Sergei Barannikov via llvm-commits]

https://github.com/s-barannikov approved this pull request.

It seems I can still store TRI in STI and pass it to TII constructor, so no objections.


https://github.com/llvm/llvm-project/pull/158224