[llvm-branch-commits] [llvm] [LoopVectorize] Support vectorization of compressing patterns (PR #214491)

[Andrei Elovikov via llvm-branch-commits]

eas wrote:

And another test case I'd like to see is when update is done under `if (false)` branch. Need to ensure that earlier simplifications won't break any expected patterns for the monotonics processing.

https://github.com/llvm/llvm-project/pull/214491