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

[Simon Pilgrim via llvm-commits]

================
@@ -0,0 +1,40 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt < %s -mtriple=x86_64 -mattr=+cf -O1 -S | FileCheck %s
----------------
RKSimon wrote:

Should these be in PhaseOrdering instead?

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