[llvm] IR/Verifier: Allow vector type in atomic load and store (PR #148893)

[Pierre van Houtryve via llvm-commits]

Pierre-vh wrote:

> If this PR is landed (much) before the backend work, is it gonna open the door to potential errors because the "gatekeeper" is gone now.

Yes I'm worried about that too. Can you add tests to show what happens if the backend doesn't support the vector atomics?

https://github.com/llvm/llvm-project/pull/148893