[PATCH] D50377: [MustExecute] Rework LoopSafetyInfo to make it more optimistic about throws

[Max Kazantsev via Phabricator via llvm-commits]

mkazantsev updated this revision to Diff 163256.
mkazantsev added a comment.

Rebased, added cache invalidation in LICM. Still WIP because need to understand where do we need to invalidate in loop unswitching.


https://reviews.llvm.org/D50377

Files:
  include/llvm/Analysis/MustExecute.h
  lib/Analysis/MustExecute.cpp
  lib/Transforms/Scalar/LICM.cpp
  lib/Transforms/Scalar/LoopIdiomRecognize.cpp
  lib/Transforms/Scalar/LoopUnswitch.cpp
  lib/Transforms/Utils/LoopUnrollAndJam.cpp
  test/Analysis/MustExecute/loop-header.ll
  test/Transforms/LICM/guards.ll
  test/Transforms/LICM/hoist-mustexec.ll
  test/Transforms/LICM/hoist-nounwind.ll
  test/Transforms/LICM/preheader-safe.ll

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