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

[David Sherwood via llvm-commits]

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david-arm wrote:

I think the tests should probably live in a similar location to the RISCV and AArch64 tests, see

llvm/test/Transforms/LoopIdiom/AArch64/byte-compare-index.ll
../llvm/test/Transforms/LoopIdiom/RISCV/byte-compare-index.ll

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