[llvm-branch-commits] [llvm] [X86] Add atomic vector tests for unaligned >1 sizes. (PR #120387)

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jofrn wrote:

> Title change doesn't make sense. It's less useful to test the underaligned cases. The baseline tests must include properly aligned atomics. Those are the case that we are interested in surviving until the DAG. The unaligned case are a separate point of interest as a supplemental test, but those are all expanded during AtomicExpand

Then should we test any of the unaligned ones in this series?

https://github.com/llvm/llvm-project/pull/120387