[PATCH] D11442: Provide an interface normalizeSuccWeights in MachineBasicBlock to normalize its successors' weights and use it in other places.

[Cong Hou via llvm-commits]

congh removed rL LLVM as the repository for this revision.
congh updated this revision to Diff 31882.
congh added a comment.

Update the patch by turning zero edge weights into one in BPI so that we won't get zero weights in BPI anymore.


http://reviews.llvm.org/D11442

Files:
  include/llvm/CodeGen/MachineBasicBlock.h
  include/llvm/CodeGen/MachineBranchProbabilityInfo.h
  lib/Analysis/BranchProbabilityInfo.cpp
  lib/CodeGen/IfConversion.cpp
  lib/CodeGen/MachineBasicBlock.cpp
  lib/CodeGen/MachineBlockPlacement.cpp
  lib/CodeGen/MachineBranchProbabilityInfo.cpp
  test/CodeGen/X86/pr24377.ll
  test/Transforms/SampleProfile/branch.ll
  test/Transforms/SampleProfile/calls.ll
  test/Transforms/SampleProfile/propagate.ll

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