[PATCH] D66880: [SelectionDAG] Don't generate libcalls for wide shifts on Windows (PR42711)

[Hans Wennborg via Phabricator via llvm-commits]

hans added a comment.

Please take a look, and please prioritize if you can since this is one of the last blockers for the llvm 9 release (see PR).


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  https://reviews.llvm.org/D66880/new/

https://reviews.llvm.org/D66880