Revert rL311526: [PowerPC] better instruction selection for OR (XOR) with a 32-bit immediate

This reverts commit rL311526 due to failures in some buildbot.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@311530 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed