[PATCH] D47624: [PM/LoopUnswitch] Fix PR37651 by correctly invalidating SCEV when unswitching loops.

[Chandler Carruth via Phabricator via llvm-commits]

chandlerc updated this revision to Diff 150039.
chandlerc retitled this revision from "[SimpleLoopUnswitch] Invalidate SCEV after making structural changes to a loop" to "[PM/LoopUnswitch] Fix PR37651 by correctly invalidating SCEV when unswitching loops.".
chandlerc edited the summary of this revision.
chandlerc added a comment.
Herald added a subscriber: hiraditya.

Update with a new approach and some new testing.


Repository:
  rL LLVM

https://reviews.llvm.org/D47624

Files:
  llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp
  llvm/test/Transforms/SimpleLoopUnswitch/update-scev.ll

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