[llvm] [AArch64] Add MATCH loops to LoopIdiomVectorizePass (PR #101976)

[Sjoerd Meijer via llvm-commits]

sjoerdmeijer wrote:

The output looks cool. Naive drive-by question: is it faster than what we currently generate? :) 

https://github.com/llvm/llvm-project/pull/101976