[PATCH] D10979: Update the branch weight metadata in JumpThreading pass.

[Cong Hou]

congh updated this revision to Diff 30214.
congh added a comment.

Fix precision loss problem when calculating new edge weights.


http://reviews.llvm.org/D10979

Files:
  include/llvm/Analysis/BlockFrequencyInfo.h
  include/llvm/Analysis/BlockFrequencyInfoImpl.h
  include/llvm/Analysis/BranchProbabilityInfo.h
  lib/Analysis/BlockFrequencyInfo.cpp
  lib/Analysis/BlockFrequencyInfoImpl.cpp
  lib/Analysis/BranchProbabilityInfo.cpp
  lib/Transforms/Scalar/JumpThreading.cpp
  test/Transforms/JumpThreading/update-edge-weight.ll

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