[PATCH] D45278: [LoopInterchange] Preserve LoopInfo after interchanging.

[Florian Hahn via Phabricator via llvm-commits]

fhahn created this revision.
fhahn added reviewers: davide, efriedma, karthikthecool, mcrosier.

LoopInterchange relies on LoopInfo being up-to-date, so we should
preserve it after interchanging. This patch updates restructureLoops to
move the BBs of the interchanged loops to the right place.


https://reviews.llvm.org/D45278

Files:
  lib/Transforms/Scalar/LoopInterchange.cpp
  test/Transforms/LoopInterchange/call-instructions.ll
  test/Transforms/LoopInterchange/interchangeable.ll
  test/Transforms/LoopInterchange/phi-ordering.ll
  test/Transforms/LoopInterchange/reductions.ll

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