[PATCH] D138526: [SimpleLoopUnswitch] unswitch selects

[Joshua Cao via Phabricator via llvm-commits]

caojoshua updated this revision to Diff 521212.
caojoshua edited the summary of this revision.
caojoshua added a comment.

reland 2

Include https://reviews.llvm.org/D149560 together with the patch.

I also noticed this could have been caught if SimpleLoopUnswitch/crash.ll
@test2 had nontrivial loop unswitch testing. I also added a run with nontrivial
unswitching turned on.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D138526/new/

https://reviews.llvm.org/D138526

Files:
  llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp
  llvm/test/Transforms/SimpleLoopUnswitch/crash.ll
  llvm/test/Transforms/SimpleLoopUnswitch/nontrivial-unswitch-freeze.ll
  llvm/test/Transforms/SimpleLoopUnswitch/nontrivial-unswitch-select.ll
  llvm/test/Transforms/SimpleLoopUnswitch/nontrivial-unswitch-trivial-select.ll

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