[all-commits] [llvm/llvm-project] 3b6481: Revert "[SCEV] Use isKnownPredicateAt in isLoopBac...

[max-azul via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 3b6481eae2597f656b9f5bb6a5eb5438eb8cb294
      https://github.com/llvm/llvm-project/commit/3b6481eae2597f656b9f5bb6a5eb5438eb8cb294
  Author: Max Kazantsev <mkazantsev at azul.com>
  Date:   2020-11-26 (Thu, 26 Nov 2020)

  Changed paths:
    M llvm/lib/Analysis/ScalarEvolution.cpp
    M llvm/test/Transforms/LoopStrengthReduce/post-inc-icmpzero.ll

  Log Message:
  -----------
  Revert "[SCEV] Use isKnownPredicateAt in isLoopBackedgeGuardedByCond"

This reverts commit 14f2ad0e3cc54d5eb254b545a469e8ffdb62b119.

Reverting to investigate compile time drop.

Differential Revision: https://reviews.llvm.org/D92152