[llvm] [HashRecognize] Don't const-qualify Values in result (PR #144752)

[Ramkumar Ramachandra via llvm-commits]

artagnon wrote:

> Are you splitting #143208 to smaller changes?

Yes, that was always my intent. Hopefully, we can get #143208 enabled by default in the PR: the current blocker is HexagonLoopIdiom, which I think can be fixed with TTI hooks.

https://github.com/llvm/llvm-project/pull/144752