[llvm] Reapply "[LV] Use ExtractLane(LastActiveLane, V) live outs when tail-folding. (#149042)" (PR #168738)
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Wed Nov 19 10:35:22 PST 2025
Andarwinux wrote:
Can you add an mllvm option to opt out of this change? It causes AVX512 performance degradation.
https://github.com/llvm/llvm-project/pull/168738
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