[PATCH] D93973: [SCEV] Simplify trunc to zero based on known bits
Gil Rapaport via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Sat Jan 2 23:31:28 PST 2021
gilr updated this revision to Diff 314269.
gilr added a comment.
Limit trailing-zeros check to SCEVUnknowns and only while depth limit is not reached.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D93973/new/
https://reviews.llvm.org/D93973
Files:
llvm/lib/Analysis/ScalarEvolution.cpp
llvm/test/Analysis/ScalarEvolution/trunc-simplify.ll
llvm/test/Transforms/LoopVectorize/dont-fold-tail-for-assumed-divisible-TC.ll
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