[PATCH] D71563: [SCEV] Recognise the hardwareloop "loop.decrement.reg" intrinsic

[Sjoerd Meijer via Phabricator via llvm-commits]

SjoerdMeijer updated this revision to Diff 237065.
SjoerdMeijer edited the summary of this revision.
SjoerdMeijer added a comment.
Herald added a subscriber: zzheng.

I have added test cases for LFTR and loopunrolling showing that the said transformations don't trigger as `int_loop_decrement_reg` is described as `IntrNoDuplicate`


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D71563/new/

https://reviews.llvm.org/D71563

Files:
  llvm/lib/Analysis/ScalarEvolution.cpp
  llvm/test/Transforms/IndVarSimplify/lftr.ll
  llvm/test/Transforms/LoopUnroll/dont-unroll-loopdec.ll
  llvm/unittests/Analysis/ScalarEvolutionTest.cpp

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