[llvm] [X86] lowerShuffleAsDecomposedShuffleMerge - prefer permute+unpck patterns vs blend+permute on pre-SSE41 targets (PR #160301)

Simon Pilgrim via llvm-commits llvm-commits at lists.llvm.org
Tue Sep 23 06:48:52 PDT 2025


https://github.com/RKSimon auto_merge_enabled https://github.com/llvm/llvm-project/pull/160301


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