[PATCH] D28460: getLoopEstimatedTripCount should really be called getLoopEstimatedBackedgeTakeCount.

[Hal Finkel via Phabricator via llvm-commits]

hfinkel added a comment.

How do we represent a trip-count-zero estimate?



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Comment at: include/llvm/Transforms/Utils/LoopUtils.h:464
 
-/// \brief Get a loop's estimated trip count based on branch weight metadata.
-/// Returns 0 when the count is estimated to be 0, or None when a meaningful
-/// estimate can not be made.
-Optional<unsigned> getLoopEstimatedTripCount(Loop *L);
+/// \brief Get a loop's estimated BE taken count based on branch weight
+/// metadata. Returns 0 when the count is estimated to be 0, or None when a
----------------
BE taken count -> backedge-taken count


https://reviews.llvm.org/D28460