Reapply "[LV] Use ExtractLane(LastActiveLane, V) live outs when tail-folding. (#149042)"#168738

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lukel97 wants to merge 8 commits intollvm:mainfrom

lukel97:loop-vectorize/reapply-lv-tf-external-users

Commits on Nov 19, 2025

Commits on Nov 21, 2025

Commits on Nov 24, 2025

Revert "Add separate FirstActiveLaneZeroNotPoison VPInstruction to prevent regressions in early exit loops"
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Revert "Update PhaseOrdering test"
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Merge branch 'main' of github.com:llvm/llvm-project into loop-vectorize/reapply-lv-tf-external-users
lukel97
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