[llvm] [ARM] Record store with pre/post-indexed addressing as `mayStore` (PR #121565)

[David Green via llvm-commits]

davemgreen wrote:

Thanks for the fix for this. Does UnmodeledSideEffects not imply MayStore? There are a number of other store instructions (for various architectures) that have UnmodeledSideEffects but not MayStore.

It looks like there is an mca test that needs updating too.

https://github.com/llvm/llvm-project/pull/121565