[all-commits] [llvm/llvm-project] 7739f9: [NewPM][Unswitch] Add option to disable -O3 non-tr...

[aeubanks via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 7739f9ff974a2b301f5b036de55820b19a0df19a
      https://github.com/llvm/llvm-project/commit/7739f9ff974a2b301f5b036de55820b19a0df19a
  Author: Arthur Eubanks <aeubanks at google.com>
  Date:   2021-02-01 (Mon, 01 Feb 2021)

  Changed paths:
    M llvm/lib/Passes/PassBuilder.cpp
    M llvm/test/Transforms/SimpleLoopUnswitch/pipeline.ll

  Log Message:
  -----------
  [NewPM][Unswitch] Add option to disable -O3 non-trivial unswitching

Some benchmarks regress with non-trivial unswitching, so add an option
to opt-out of performing non-trivial unswitching while investigating.

Reviewed By: asbirlea

Differential Revision: https://reviews.llvm.org/D95796