[PATCH] D91690: [LoopFlatten] Widen IV, cont'd

[Sjoerd Meijer via Phabricator via llvm-commits]

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I disabled the widening in fa5cb4b <https://reviews.llvm.org/rGfa5cb4b9366228e8e17a95990a021e62376a592f> because it run in an assert. I forgot that an extend could also be a zero-extend, which I have added now.


https://reviews.llvm.org/D91690

Files:
  llvm/lib/Transforms/Scalar/LoopFlatten.cpp
  llvm/test/Transforms/LoopFlatten/widen-iv.ll

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