[PATCH] D109989: [X86] Improve i8 all-ones element insertion in pre-SSE4.1

[Craig Topper via Phabricator via llvm-commits]

craig.topper added a comment.

LGTM unless we're considered about the failure to merge constant pools? I suppose the easiest fix for that would be to move this to a DAG combine between LegalizeVectorOps and LegalizeDAG?


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https://reviews.llvm.org/D109989