[PATCH] D97578: [instcombine] Collapse trivial or/and recurrences
Nikita Popov via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Sat Feb 27 12:37:00 PST 2021
nikic added inline comments.
================
Comment at: llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp:1991
+ // An and recurrence w/loop invariant step is equivelent to and start, step
+ if (SQ.DT) {
+ PHINode *PN = nullptr;
----------------
DT is required in InstCombine. You should also be able to use DT directly without going through SimplifyQuery.
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rG LLVM Github Monorepo
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https://reviews.llvm.org/D97578/new/
https://reviews.llvm.org/D97578
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