[PATCH] D44983: [LoopUnroll] Only peel if a predicate becomes known in the loop body.

[Max Kazantsev via Phabricator via llvm-commits]

mkazantsev added inline comments.
Herald added a subscriber: zzheng.


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Comment at: lib/Transforms/Utils/LoopUnrollPeel.cpp:227
+                            RightSCEV) &&
+        SE.isMonotonicPredicate(LeftAR, Pred, Increasing))
+      DesiredPeelCount = NewPeelCount;
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How about checking it before you start calculating `NewPeelCount`?


https://reviews.llvm.org/D44983