[PATCH] D68659: [MemorySSA] Make the use of moveAllAfterMergeBlocks consistent.

[Alina Sbirlea via Phabricator via llvm-commits]

asbirlea created this revision.
asbirlea added a reviewer: george.burgess.iv.
Herald added subscribers: sanjoy.google, Prazek.
Herald added a project: LLVM.

The rule for the moveAllAfterMergeBlocks API si for all instructions
from `From` to have been moved to `To`, while keeping the CFG edges (and
block terminators) unchanged.
Update all the callsites for moveAllAfterMergeBlocks to follow this.

Pending follow-up: since the same behavior is needed everytime, merge
all callsites into one. The common denominator may be the call to
`MergeBlockIntoPredecessor`.

Resolves PR43569.


Repository:
  rL LLVM

https://reviews.llvm.org/D68659

Files:
  lib/Analysis/MemorySSAUpdater.cpp
  lib/Transforms/Scalar/LoopUnswitch.cpp
  lib/Transforms/Utils/BasicBlockUtils.cpp
  lib/Transforms/Utils/LoopRotationUtils.cpp
  test/Analysis/MemorySSA/pr43569.ll

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