[all-commits] [llvm/llvm-project] de9ad9: Fix endless loop in optimizePhiConst with integer ...

[Matthias Braun via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: de9ad98d2d6358e6aa773f0bb5258b629bde9389
      https://github.com/llvm/llvm-project/commit/de9ad98d2d6358e6aa773f0bb5258b629bde9389
  Author: Matthias Braun <matze at braunis.de>
  Date:   2022-05-11 (Wed, 11 May 2022)

  Changed paths:
    M llvm/lib/CodeGen/CodeGenPrepare.cpp
    M llvm/test/Transforms/CodeGenPrepare/X86/switch-phi-const.ll

  Log Message:
  -----------
  Fix endless loop in optimizePhiConst with integer constant switch condition

Avoid endless loop in degenerate case with an integer constant as switch
condition as reported in https://reviews.llvm.org/D124552