[PATCH] D124696: [SelectionDAG] Constant fold (sext_inreg undef, VT) to 0 instead of undef.

[Ulrich Weigand via Phabricator via llvm-commits]

uweigand added subscribers: jonpa, qcolombet.
uweigand added a comment.

> Not sure if the SystemZ test is still testing the same thing it was before.

@qcolombet I think you added this test case - any comments?

FYI @jonpa


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  https://reviews.llvm.org/D124696/new/

https://reviews.llvm.org/D124696