[PATCH] D67664: [ARM] Ensure we do not attempt to create lsll #0

[Eli Friedman via Phabricator via llvm-commits]

efriedma accepted this revision.
efriedma added a comment.
This revision is now accepted and ready to land.

If you can't figure out how to write a test for the patterns once the optimization in Expand64BitShift is implemented, that's okay.  LGTM

On a related note, why are we using a target-specific node here, as opposed to ISD::SHL_PARTS?


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  https://reviews.llvm.org/D67664/new/

https://reviews.llvm.org/D67664