[llvm] [SROA] Improve select folding around casts (PR #222466)

[Yaxun Liu via llvm-commits]

yxsamliu wrote:

Could the volatile guard also cover a load reached through another GEP? It currently checks only direct users of the first GEP, so the extra GEP hides the volatile load.


https://github.com/llvm/llvm-project/pull/222466