[all-commits] [llvm/llvm-project] 686a88: Revert ABI/API changes from b288f7d

[tstellar via All-commits]

  Branch: refs/heads/release/9.x
  Home:   https://github.com/llvm/llvm-project
  Commit: 686a8891ca57463ec0d2f3ae4f732e6259cedc33
      https://github.com/llvm/llvm-project/commit/686a8891ca57463ec0d2f3ae4f732e6259cedc33
  Author: Tom Stellard <tstellar at redhat.com>
  Date:   2019-11-14 (Thu, 14 Nov 2019)

  Changed paths:
    M llvm/include/llvm/CodeGen/MachineFunction.h
    M llvm/lib/CodeGen/MachineFunction.cpp
    M llvm/lib/CodeGen/MachineInstr.cpp

  Log Message:
  -----------
  Revert ABI/API changes from b288f7d

This still fixes PR43479, but does it in a way that does not change
the libLLVM-9.so ABI.