[PATCH] D145142: [X86] Add test for `~x & x` -> `0` in DAG Lowering; NFC

[Noah Goldstein via Phabricator via llvm-commits]

goldstein.w.n added a comment.

In D145142#4164133 <https://reviews.llvm.org/D145142#4164133>, @RKSimon wrote:

> LGTM - but maybe name this combine-andn.ll ? Or just add them to combine-and.ll?

Done (also updated with `~x + x` cases in `combine-add.ll` as we are missing combine there as well.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D145142/new/

https://reviews.llvm.org/D145142