[llvm] [AArch64] Don't run loop-idiom-vectorize pass in the O0 pipeline (PR #156802)

[Fangrui Song via llvm-commits]

https://github.com/MaskRay commented:

Added llvm/test/CodeGen/AArch64/print-pipeline-passes.ll . CodeGen/AArch64 doesn't test this option before.

https://github.com/llvm/llvm-project/pull/156802