[llvm] [DAG] isKnownNeverZero - add ISD::VECTOR_SHUFFLE handling (PR #187855)

[Jon Chesterfield via llvm-commits]

JonChesterfield wrote:

You might like "git-clang-format HEAD~1 && git commit --amend --no-edit". It'll format the changes you've made and update the existing commit to include them.

https://github.com/llvm/llvm-project/pull/187855