[PATCH] D57565: [LSR] Check SCEV on isZero() after extend. PR40514

[Sam Parker via Phabricator via llvm-commits]

samparker accepted this revision.
samparker added a comment.
This revision is now accepted and ready to land.

Cheers, LGTM.



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Comment at: lib/Transforms/Scalar/LoopStrengthReduce.cpp:3971
+      // Sometimes SCEV is able to prove zero during ext transform. It may
+      // happen if SCEV did not do all possible transforms whyle creating the
+      // initial node (maybe due to depth limitations), but it can do them while
----------------
typo: while


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