Cong Hou e93b8e1539 [BPI] Replace weights by probabilities in BPI. ...

This patch removes all weight-related interfaces from BPI and replace
them by probability versions. With this patch, we won't use edge weight
anymore in either IR or MC passes. Edge probabilitiy is a better
representation in terms of CFG update and validation.


Differential revision: http://reviews.llvm.org/D15519 

llvm-svn: 256263

2015-12-22 18:56:14 +00:00

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