[PATCH] D23348: CodeExtractor : Move exit block splitting logic from PartialInliner to CodeExtractor

[River Riddle via llvm-commits]

rriddle created this revision.
rriddle added reviewers: silvas, davide.
rriddle added a subscriber: llvm-commits.

Exit blocks (BBs that are branched to by blocks that are being extracted) that have phis with more than 1 incoming edge from the extracted region need to be split into two blocks, one in the extracted region and one on the outside. Move this logic from PartialInlining to CodeExtractor.

https://reviews.llvm.org/D23348

Files:
  include/llvm/Transforms/Utils/CodeExtractor.h
  lib/Transforms/IPO/PartialInlining.cpp
  lib/Transforms/Utils/CodeExtractor.cpp
  test/Transforms/CodeExtractor/MultipleExitBranchProb.ll
  test/Transforms/CodeExtractor/SplitExitBlockPhiNodes.ll

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