[PATCH] D93865: [LV] Vectorize (some) early and multiple exit loops w/tail folding
Philip Reames via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Sun Jan 17 20:13:02 PST 2021
reames planned changes to this revision.
reames added a comment.
Realized while working on another patch that this one is incomplete.
Problematic case: exit block is reachable from 2 or more exiting blocks with the values reaching along exit edges being different along each. Need to determine correct exit value along the middle to unique exit block edge which is unhandled in this patch. Value chosen here would likely be the value along the latch exit (ignoring early exit) if present and a crash if not.
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https://reviews.llvm.org/D93865/new/
https://reviews.llvm.org/D93865
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