[PATCH] D43245: [LoopInterchange] Support reductions across inner and outer loop.

[Florian Hahn via Phabricator via llvm-commits]

fhahn updated this revision to Diff 144369.
fhahn edited the summary of this revision.
fhahn added a comment.

Rebased, simplified and moved parts to https://reviews.llvm.org/D46198. This patch now only contains the code to detect reduction PHIs across inner and outer loops.


https://reviews.llvm.org/D43245

Files:
  lib/Transforms/Scalar/LoopInterchange.cpp
  test/Transforms/LoopInterchange/lcssa.ll
  test/Transforms/LoopInterchange/reductions-across-inner-and-outer-loop.ll
  test/Transforms/LoopInterchange/reductions.ll

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