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

[Shengchen Kan via llvm-commits]

KanRobert wrote:

Passed the validation of SPEC 2006/2017 + llvm-test-suite on [intel SDE](https://www.intel.com/content/www/us/en/developer/articles/tool/software-development-emulator.html) with config

 `-mapx-features=egpr,push2pop2,ppx,ndd,ccmp,nf,cf -O3 -flto/-fno-lto`  + `clang + flang-new` @dtcxzyw 

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