[llvm] [X86, SimplifyCFG] Support hoisting load/store with conditional faulting (Part I) (PR #96878)

[Nikita Popov via llvm-commits]

https://github.com/nikic requested changes to this pull request.

I don't think we want to add an extra SimplifyCFG run in the backend. Can you enable the option in the last SimplifyCFG run in the middle-end instead (at the end of the module optimization pipeline)?

https://github.com/llvm/llvm-project/pull/96878