[PATCH] D55274: [DagCombiner][X86] Simplify a ConcatVectors of a scalar_to_vector with undef.

Simon Pilgrim via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Dec 5 07:50:49 PST 2018


RKSimon added a comment.

Also, its probably worth doing the initial simplifyConcatVectors refactor as a NFC


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  https://reviews.llvm.org/D55274/new/

https://reviews.llvm.org/D55274





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