SuccessChanges

Summary

  1. [MachineLICM] delete dead flag if the duplicated def outside of loop is dead. (details)
Commit 4dce7c2e2092953f2cea1a2c1ffd4a53ec2531ac by czhengsz
[MachineLICM] delete dead flag if the duplicated def outside of loop is dead.

Fixup dead flags for CSE-ed instructions.

Reviewed By: arsenm

Differential Revision: https://reviews.llvm.org/D92557
The file was addedllvm/test/CodeGen/PowerPC/machinelicm-cse-dead-flag.mir
The file was modifiedllvm/lib/CodeGen/MachineLICM.cpp