[llvm] Added ROLW/RORW/SLLW/SRAW/SRLW for canCreateUndefOrPoisonForTargetNode (PR #152609)

[Jasmine Tang via llvm-commits]

badumbatish wrote:

The only place where I see this piece of code used is via visitFreeze in `llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp`.

But in constructing SLLW, freeze is still wrapping sext and shl, not sllw yet.

Therefore I'm not sure if there's any other tests to be constructed

https://github.com/llvm/llvm-project/pull/152609