SuccessChanges

Summary

  1. [NFC][Test] Add the vavg test for PowerPC (details)
Commit 03e7fb2e075e2cfca7a0c9e3730a48d52101dec2 by qshanz
[NFC][Test] Add the vavg test for PowerPC
The file was addedllvm/test/CodeGen/PowerPC/vavg.ll