[all-commits] [llvm/llvm-project] b4352e: [Attributor][FIX] Do not RAUW void values

[Johannes Doerfert via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: b4352e43d86e0b2ab93665e46c9cb9bddef3fd7a
      https://github.com/llvm/llvm-project/commit/b4352e43d86e0b2ab93665e46c9cb9bddef3fd7a
  Author: Johannes Doerfert <johannes at jdoerfert.de>
  Date:   2020-02-14 (Fri, 14 Feb 2020)

  Changed paths:
    M llvm/lib/Transforms/IPO/Attributor.cpp

  Log Message:
  -----------
  [Attributor][FIX] Do not RAUW void values

This caused an error when passes iterated over cached assumptions in the
tracker and assumed them to be `null` or an instruction. I failed to
create a test case so far.