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

[Yingwei Zheng via llvm-commits]

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+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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dtcxzyw wrote:

> You'd like me to support the operand of load to be a GEP in this PR? It's doable but just increases the complexity a bit.

No. We can improve `load_from_gep` in follow-up patches :)




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