[PATCH] D51519: [SimpleLoopUnswitch] remove a chain of dead blocks at once

[Fedor Sergeev via Phabricator via llvm-commits]

fedor.sergeev updated this revision to Diff 163488.
fedor.sergeev added a comment.

addressing comments:

- populate candidates with current loop blocks + exit blocks
- run candidate loop separately after that

Also removed DeadBlocks vector since it duplicates the set
and is not actively used.


Repository:
  rL LLVM

https://reviews.llvm.org/D51519

Files:
  lib/Transforms/Scalar/SimpleLoopUnswitch.cpp
  test/Transforms/SimpleLoopUnswitch/delete-dead-blocks.ll

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