[PATCH] D109015: [SCEV] If max BTC is zero, then so is the exact BTC [2 of 2]
Nikita Popov via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Aug 31 13:08:06 PDT 2021
nikic added inline comments.
================
Comment at: llvm/lib/Target/ARM/MVETailPredication.cpp:305
+ // reasoning, and our RHS just above doesn't.
+ Sub = SE->applyLoopGuards(Sub, L);
+
----------------
Any chance evaluating an EQ predicate with one of our context sensitive functions (like isLoopEntryGuardedBy) would also work here? Calling applyLoopGuards() here is rather tightly coupled to SCEV implementation details.
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rG LLVM Github Monorepo
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https://reviews.llvm.org/D109015/new/
https://reviews.llvm.org/D109015
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