[llvm] [ValueTracking] Add `matchSimpleBinaryIntrinsicRecurrence` helper (PR #145964)

[Antonio Frighetto via llvm-commits]

antoniofrighetto wrote:

> Can you add some unit tests to `llvm/unittests/Analysis/ValueTrackingTest.cpp`?

Sure thing (my bad not adding them earlier).

https://github.com/llvm/llvm-project/pull/145964