[PATCH] D111602: [SCEV][NFC] Apply pass forgetMemoizedResults queries where possible

[Max Kazantsev via Phabricator via llvm-commits]

mkazantsev added inline comments.


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Comment at: llvm/lib/Analysis/ScalarEvolution.cpp:12839
     std::pair<const SCEV *, const Loop *> Entry = I->first;
     if (Entry.first == S)
       PredicatedSCEVRewrites.erase(I++);
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reames wrote:
> There's an opportunity to exploit the invalidation of sets at a time here by replacing multiple walks, with one walk and a set membership check.  
Good point, I'll try to make this in a follow-up.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D111602/new/

https://reviews.llvm.org/D111602