[llvm] [LV] Create in-loop sub reductions (PR #147026)

[Sam Tebbs via llvm-commits]

SamTebbs33 wrote:

I've pushed a commit that adds the `AddChainWithSubs` recur kind to make the fact that an add recurrence can have a subtraction less confusing.

https://github.com/llvm/llvm-project/pull/147026