[modules] Work around mislayering of MC / Object.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214000 91177308-0d34-0410-b5e6-96231b3b80d8
[x86] Add coverage for PMUL* instruction testing on SSE2 as well as
SSE4.1.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214001 91177308-0d34-0410-b5e6-96231b3b80d8