[llvm] [AArch64] Move interleaved access testcase to codegen (PR #214133)

[David Green via llvm-commits]

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+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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davemgreen wrote:

Remove one of binopshuffles-inseltpoison.ll‎ or binopshuffles.ll‎ if they are almost identical?

https://github.com/llvm/llvm-project/pull/214133