[MachineFunction] Make comment for TracksLiveness more clearer
authorGuozhi Wei <carrot@google.com>
Fri, 30 Apr 2021 19:10:36 +0000 (12:10 -0700)
committerGuozhi Wei <carrot@google.com>
Fri, 30 Apr 2021 19:10:36 +0000 (12:10 -0700)
commitb817ea7b17b8ae68c2bd29834138ed84a8a7005d
treecf74dc8f25e1900d9465a4a364e77f71238547db
parent511f2cecf7c95aa2eea7447818bddf08f7222daa
[MachineFunction] Make comment for TracksLiveness more clearer

As discussed in https://lists.llvm.org/pipermail/llvm-dev/2021-April/150225.html,
the current comments for TracksLiveness property and isKill flag are confusing.
This patch makes the comments more clearer.

Differential Revision: https://reviews.llvm.org/D101500
llvm/include/llvm/CodeGen/MachineFunction.h
llvm/include/llvm/CodeGen/MachineOperand.h