[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
More information about the llvm-commits
mailing list