[llvm] [X86] Fold VPERMV3(X, M, Y) -> VPERMV(CONCAT(X, Y), WIDEN(M)) iff the CONCAT is free (PR #122485)

Shengchen Kan via llvm-commits llvm-commits at lists.llvm.org
Sat Jan 11 00:34:26 PST 2025


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

LGTM

https://github.com/llvm/llvm-project/pull/122485


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