[PATCH] D91038: [LoopIdiom] Introduce 'left-shift until bittest' idiom
Roman Lebedev via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Nov 18 11:18:04 PST 2020
lebedev.ri updated this revision to Diff 306165.
lebedev.ri added a comment.
Do recurrence analysis afterwards, not when matching backedge condition.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D91038/new/
https://reviews.llvm.org/D91038
Files:
llvm/lib/Transforms/Scalar/LoopIdiomRecognize.cpp
llvm/test/Transforms/LoopIdiom/X86/left-shift-until-bittest.ll
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