[all-commits] [llvm/llvm-project] ebc4c4: [unroll] Add clarifying comment

[Philip Reames via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ebc4c4e3b060ebd92a45a590818515c4cecb279f
      https://github.com/llvm/llvm-project/commit/ebc4c4e3b060ebd92a45a590818515c4cecb279f
  Author: Philip Reames <listmail at philipreames.com>
  Date:   2021-08-02 (Mon, 02 Aug 2021)

  Changed paths:
    M llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp

  Log Message:
  -----------
  [unroll] Add clarifying comment

The option to not preserve LCSSA is in fact not tested at all in upstream.  I was tempted to just remove the code entirely, but realized I didn't need to for my actual goal.