[llvm] [X86, SimplifyCFG] Support hoisting load/store with conditional faulting (Part II) (PR #108812)

[Phoebe Wang via llvm-commits]

phoebewang wrote:

> > This is a follow up of #96878 to support hoisting load/store for diamond CFG.
> > ```
> > void test (int a, int *c, int *d) {
> >   if (a)
> >    *c = a;
> >   else
> >    *d = a;
> > }
> > ```
> 
> Need to update the description, it does not require diamond CFG.

Done.

https://github.com/llvm/llvm-project/pull/108812