[llvm] [WIP][X86] Add addlike PatFrags for AVX-512 disjoint OR folding (PR #166015)

[Matt Arsenault via llvm-commits]

arsenm wrote:

> Hi @RKSimon
> 
> the test which are failing are GlobalISel and fast-isel-store, which is out of scope is there anything that can be done there?

You can't just leave the tests failing. You need to either update, or override the GISelPredicateCode in your PatFrag to do the equivalent for gisel 

https://github.com/llvm/llvm-project/pull/166015