This patch just adds two operators to BranchProbability class: (BP * scalar) and (BP *= scalar). Reviewers: junbuml, chandlerc, sanjoy, vsk Reviewed By: chandlerc Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D32334 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@300945 91177308-0d34-0410-b5e6-96231b3b80d8