[all-commits] [llvm/llvm-project] 84b285: [GVN] Set phi entries of unreachable predecessors ...

[Nuno Lopes via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 84b285d6eb9d52f467fa710f2c9f490a0584c0b2
      https://github.com/llvm/llvm-project/commit/84b285d6eb9d52f467fa710f2c9f490a0584c0b2
  Author: Nuno Lopes <nuno.lopes at tecnico.ulisboa.pt>
  Date:   2021-12-30 (Thu, 30 Dec 2021)

  Changed paths:
    M llvm/lib/Transforms/Scalar/GVN.cpp
    M llvm/test/Transforms/GVN/assume-equal.ll
    M llvm/test/Transforms/GVN/calls-nonlocal.ll
    M llvm/test/Transforms/GVN/condprop.ll
    M llvm/test/Transforms/GVN/equality-assume.ll
    M llvm/test/Transforms/GVN/preserve-memoryssa.ll

  Log Message:
  -----------
  [GVN] Set phi entries of unreachable predecessors to poison instead of undef
This matches NewGVN's behavior.