[PATCH] D87608: [ARM][MVE] Tail-predication: use unsigned SCEV ranges for tripcount

[Sjoerd Meijer via Phabricator via llvm-commits]

SjoerdMeijer created this revision.
SjoerdMeijer added reviewers: samparker, dmgreen, samtebbs.
Herald added subscribers: danielkiss, javed.absar, hiraditya, kristof.beyls.
Herald added a project: LLVM.
SjoerdMeijer requested review of this revision.

Tripcount expressions have a positive range, so use unsigned scev ranges for it.


https://reviews.llvm.org/D87608

Files:
  llvm/lib/Target/ARM/MVETailPredication.cpp
  llvm/test/CodeGen/Thumb2/LowOverheadLoops/basic-tail-pred.ll
  llvm/test/CodeGen/Thumb2/LowOverheadLoops/tail-pred-forced.ll

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