[PATCH] D30633: [BPI] Reduce the probability of unreachable edge to minimal value greater than 0

David Li via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue May 16 08:55:05 PDT 2017


davidxl added a comment.

It is known that BFI can not handle zero weight and it will add 1 to zero weight when it sees it.

Here the  unreachable Branch prob is not zero (without the change).  Where does it get changed to zero?


https://reviews.llvm.org/D30633





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