add a test case to check the fast-unaligned-mem attribute per CPU

This will confirm that the patch in D12154 is actually NFC.
It will also confirm that the proposed changes for the AMD chips
are behaving as expected.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@245704 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed