[llvm] [LoopIdiomRecognize] Enable clmul optimization for CRC loops (PR #203405)

[Ramkumar Ramachandra via llvm-commits]

https://github.com/artagnon commented:

Very close to ready; let's try to bail out in HashRecognize on the DataBW > CRCBW little-endian case, and simplify that piece of code. I'll try to go over the logic once more tomorrow.

https://github.com/llvm/llvm-project/pull/203405