[PATCH] D34200: [PM/unswitch] Teach SimpleLoopUnswitch to do non-trivial unswitching, making it no longer even remotely simple.

[Chandler Carruth via Phabricator via llvm-commits]

chandlerc updated this revision to Diff 107260.
chandlerc marked 18 inline comments as done.
chandlerc added a comment.

Updated based on most of the code review comments from Sanjoy. Still some pending.


https://reviews.llvm.org/D34200

Files:
  include/llvm/Analysis/LoopInfo.h
  include/llvm/Transforms/Scalar/LoopPassManager.h
  include/llvm/Transforms/Scalar/SimpleLoopUnswitch.h
  lib/Transforms/Scalar/SimpleLoopUnswitch.cpp
  test/Transforms/SimpleLoopUnswitch/2006-06-27-DeadSwitchCase.ll
  test/Transforms/SimpleLoopUnswitch/nontrivial-unswitch-cost.ll
  test/Transforms/SimpleLoopUnswitch/nontrivial-unswitch.ll

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