Commit 003fe85e authored by Max Kazantsev's avatar Max Kazantsev
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[SCEV] Enhance SCEVFindUnsafe for division 

This patch allows SCEVFindUnsafe algorithm to tread division by any non-positive
value as safe. Previously, it could only recognize non-zero constants.

Differential Revision: https://reviews.llvm.org/D39228


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@316568 91177308-0d34-0410-b5e6-96231b3b80d8
parent 5b353cb3
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