[PATCH] D48967: [Dominators] Convert existing passes and utils to use the DomTreeUpdater class

[Chijun Sima via Phabricator via llvm-commits]

NutshellySima updated this revision to Diff 157023.
NutshellySima added a comment.

1. Address comments.
2. Replace previous raw DT operations into incremental updates to simplify logic.
3. Implement a simple unit-test for `RemoveUnreachableBlocks`.


https://reviews.llvm.org/D48967

Files:
  include/llvm/Transforms/Scalar/JumpThreading.h
  include/llvm/Transforms/Utils/BasicBlockUtils.h
  include/llvm/Transforms/Utils/Local.h
  lib/Transforms/Scalar/ADCE.cpp
  lib/Transforms/Scalar/CorrelatedValuePropagation.cpp
  lib/Transforms/Scalar/GVN.cpp
  lib/Transforms/Scalar/JumpThreading.cpp
  lib/Transforms/Scalar/LoopSimplifyCFG.cpp
  lib/Transforms/Scalar/RewriteStatepointsForGC.cpp
  lib/Transforms/Utils/BasicBlockUtils.cpp
  lib/Transforms/Utils/Local.cpp
  lib/Transforms/Utils/LoopRotationUtils.cpp
  lib/Transforms/Utils/LoopUtils.cpp
  unittests/Transforms/Utils/Local.cpp

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