[llvm] [AArch64][CodeGen] Add patterns for +lsfe atomic stores (PR #131174)

[Kerry McLaughlin via llvm-commits]

kmclaughlin-arm wrote:

> Should be we treating these intrinsics the same as the existing ldadd etc, or do you know if they can be treated differently from a memory model perspective? Or can we do this for all intrinsics now? Thanks.

Hi @davemgreen, thank you for pointing out the other patch & mailing list threads. I wasn't aware this had already been discussed and after reading through these I'm going to close this PR as I don't believe these intrinsics can be treated differently to the existing ones.


https://github.com/llvm/llvm-project/pull/131174