[all-commits] [llvm/llvm-project] 16fde8: [SCEV] Support unsigned predicates in isKnownPredi...

[max-azul via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 16fde88dbd797b01f3c236062fbec50fe5bbf81d
      https://github.com/llvm/llvm-project/commit/16fde88dbd797b01f3c236062fbec50fe5bbf81d
  Author: Max Kazantsev <mkazantsev at azul.com>
  Date:   2020-09-22 (Tue, 22 Sep 2020)

  Changed paths:
    M llvm/lib/Analysis/ScalarEvolution.cpp
    M llvm/unittests/Analysis/ScalarEvolutionTest.cpp

  Log Message:
  -----------
  [SCEV] Support unsigned predicates in isKnownPredicateViaNoOverflow

SCEV should be able to prove facts like `x <u x+1<nuw>`.

Differential Revision: https://reviews.llvm.org/D88015
Reviewed By: lebedev.ri