[PATCH] D30631: [BPI] Use metadata info before any other heuristics

[Serguei Katkov via Phabricator via llvm-commits]

skatkov updated this revision to Diff 95280.
skatkov added a comment.

Two comments addressed. I will not submit it until Monday.

Chandler, if you have a chance please let me know if you are ok with my suggestion to update 
BP[ReachableIdxs[0]] += ToDistribute - (PerEdge * ReachableIdxs.size());
in a follow-up patch.


https://reviews.llvm.org/D30631

Files:
  lib/Analysis/BranchProbabilityInfo.cpp
  test/Analysis/BranchProbabilityInfo/basic.ll

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