[PATCH] D111533: [SCEV] Invalidate user SCEVs along with operand SCEVs to avoid cache corruption

[Danila Malyutin via Phabricator via llvm-commits]

danilaml added inline comments.


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Comment at: llvm/lib/Analysis/ScalarEvolution.cpp:4103-4106
+    if (!SCEVUsers.count(Op)) {
+      SmallPtrSet<const SCEV *, 16> Users;
+      SCEVUsers[Op] = std::move(Users);
+    }
----------------
Why is this `if` needed?


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D111533/new/

https://reviews.llvm.org/D111533