[PATCH] D66456: [DAGCombiner][X86] Teach visitCONCAT_VECTORS to combine (concat_vectors (concat_vectors X, Y), undef)) -> (concat_vectors X, Y, undef, undef)
Simon Pilgrim via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Aug 20 14:40:11 PDT 2019
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RKSimon accepted this revision.
RKSimon added a comment.
This revision is now accepted and ready to land.
LGTM - cheers
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https://reviews.llvm.org/D66456/new/
https://reviews.llvm.org/D66456
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