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Changes from Git (git http://labmaster3.local/git/llvm-project.git)

Summary

  1. Verifier: check prof branch_weights (details)
Commit 8b996dc16ee4ed16922b33c616b3c21911438d5f by yevgeny.rouban
Verifier: check prof branch_weights
This patch is to check some of constraints on
!pro branch_weights metadata:
https://llvm.org/docs/BranchWeightMetadata.html
Reviewers: asbirlea, reames, chandlerc Reviewed By: reames Differential
Revision: https://reviews.llvm.org/D61179
llvm-svn: 368647
The file was modifiedllvm/lib/IR/Verifier.cpp