[llvm] [X86] Fold VPERMV3(WIDEN(X),M,WIDEN(Y)) -> VPERMV(CONCAT(X,Y),M') iff the CONCAT is free (PR #122750)

Phoebe Wang via llvm-commits llvm-commits at lists.llvm.org
Tue Jan 14 05:13:41 PST 2025

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https://github.com/phoebewang approved this pull request.

LGTM.

https://github.com/llvm/llvm-project/pull/122750

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