[llvm] [BasicAA] Guess reasonable contexts for separate storage hints (PR #76770)

[David Goldblatt via llvm-commits]

davidtgoldblatt wrote:

> > Can you please first submit a PR to enable the separate storage functionality by default? It seems to be essentially free right now, and we may have trouble enabling it in the future if it is made more expensive first.
> 
> Will do.

(Merged in https://github.com/llvm/llvm-project/pull/76864)

https://github.com/llvm/llvm-project/pull/76770