[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 119063.
chandlerc added a comment.
Herald added a subscriber: hiraditya.

Rebase onto the new LoopInfo API and get everything working. Also rebase into
a monorepo checkout.

Things are now working again and this patch can be experimented with, but
I still need to do some refactoring before it is ready for further review (that
is the last significant outstanding review comment AFAIK).


https://reviews.llvm.org/D34200

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

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