[all-commits] [llvm/llvm-project] 05884d: Make FoldBranchToCommonDest poison-safe by default

[Juneyoung Lee via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 05884d3b525a1072dd9d834593a7899fe8284f43
      https://github.com/llvm/llvm-project/commit/05884d3b525a1072dd9d834593a7899fe8284f43
  Author: Juneyoung Lee <aqjune at gmail.com>
  Date:   2021-03-27 (Sat, 27 Mar 2021)

  Changed paths:
    M llvm/include/llvm/Transforms/Utils/Local.h
    M llvm/lib/Transforms/Utils/SimplifyCFG.cpp
    M llvm/test/Transforms/IRCE/bad_expander.ll
    M llvm/test/Transforms/LoopSimplify/pr26682.ll

  Log Message:
  -----------
  Make FoldBranchToCommonDest poison-safe by default

This is a small patch to make FoldBranchToCommonDest poison-safe by default.
After fc3f0c9c, only two syntactic changes are needed to fix unit tests.
This does not cause any assembly difference in testsuite as well (-O3, X86-64 Manjaro).

Reviewed By: nikic

Differential Revision: https://reviews.llvm.org/D99452