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Commit 973e0506 authored by Cong Hou's avatar Cong Hou
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Update MachineBranchProbabilityInfo::normalizeEdgeWeights to make sure there... 

Update MachineBranchProbabilityInfo::normalizeEdgeWeights to make sure there is no zero weight in the output, and also add a missing test for JumpThreading.

The test is for the patch in http://reviews.llvm.org/D10979 but was missing when committing that patch.

llvm-svn: 250240
parent 93323fc0
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