[all-commits] [llvm/llvm-project] 720314: Revert "[unroll] Prune all but first copy of invar...

[Philip Reames via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 7203140748cec7185479cc413ea68f34d2eced99
      https://github.com/llvm/llvm-project/commit/7203140748cec7185479cc413ea68f34d2eced99
  Author: Philip Reames <listmail at philipreames.com>
  Date:   2022-01-03 (Mon, 03 Jan 2022)

  Changed paths:
    M llvm/lib/Transforms/Utils/LoopUnroll.cpp
    M llvm/test/Transforms/LoopUnroll/nonlatchcondbr.ll
    M llvm/test/Transforms/LoopUnroll/runtime-loop-multiple-exits.ll
    M llvm/test/Transforms/LoopUnroll/scevunroll.ll

  Log Message:
  -----------
  Revert "[unroll] Prune all but first copy of invariant exit"

This reverts commit 9bd22595bad36cd19f5e7ae18ccd9f41cba29dc5.

Seeing some bot failures which look plausibly connected.  Revert while investigating/waiting for bots to stablize.

e.g. https://lab.llvm.org/buildbot#builders/36/builds/15933