[all-commits] [llvm/llvm-project] b39681: [ObjCARC] Use poison instead of undef as placehold...

[Nuno Lopes via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: b396817c61cd07cfa31b5f74998b8448bfdeb07f
      https://github.com/llvm/llvm-project/commit/b396817c61cd07cfa31b5f74998b8448bfdeb07f
  Author: Nuno Lopes <nuno.lopes at tecnico.ulisboa.pt>
  Date:   2023-07-22 (Sat, 22 Jul 2023)

  Changed paths:
    M llvm/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
    M llvm/test/Transforms/ObjCARC/weak.ll

  Log Message:
  -----------
  [ObjCARC] Use poison instead of undef as placeholder [NFC]
It's used to specify UB (as ptr argument to store) and to RAUW values when UB occurs.