[llvm] ValueTracking: refactor recurrence-matching (NFC) (PR #109659)

[via llvm-commits]

goldsteinn wrote:

LG

As an aside, can you format your PR titles per the style guide ('[<Component>] <msg...>" as opposed to "<Component>: <msg...>")

If you have doing this to avoid `git am` / `git format-patch` stripping you can use the `git am -k` and `git format-patch -N -k`

https://github.com/llvm/llvm-project/pull/109659