[PATCH] D60833: [MemorySSA] Teach LoopSimplify to preserve MemorySSA.

[Alina Sbirlea via Phabricator via llvm-commits]

asbirlea updated this revision to Diff 195820.
asbirlea added a comment.

Simplify patch to preserve MemorySSA in the old pass manager only when the pass is already available (remove *require*).
New pass manager does not preserve it.


Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D60833/new/

https://reviews.llvm.org/D60833

Files:
  include/llvm/Analysis/MemorySSAUpdater.h
  include/llvm/Transforms/Utils/Local.h
  include/llvm/Transforms/Utils/LoopSimplify.h
  include/llvm/Transforms/Utils/LoopUtils.h
  lib/Analysis/MemorySSAUpdater.cpp
  lib/Target/PowerPC/PPCCTRLoops.cpp
  lib/Target/PowerPC/PPCLoopPreIncPrep.cpp
  lib/Transforms/Scalar/InductiveRangeCheckElimination.cpp
  lib/Transforms/Scalar/LoopInterchange.cpp
  lib/Transforms/Scalar/LoopUnrollPass.cpp
  lib/Transforms/Utils/Local.cpp
  lib/Transforms/Utils/LoopSimplify.cpp
  lib/Transforms/Utils/LoopUnroll.cpp
  lib/Transforms/Utils/LoopUnrollPeel.cpp
  lib/Transforms/Vectorize/LoopVectorize.cpp
  test/Other/opt-O2-pipeline.ll
  test/Other/opt-O3-pipeline.ll
  test/Other/opt-Os-pipeline.ll

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