Cleaning out google tests from MC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222770 91177308-0d34-0410-b5e6-96231b3b80d8
[Hexagon] Replacing cmp* instructions with ones that contain encoding bits.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222771 91177308-0d34-0410-b5e6-96231b3b80d8
Remove useless rdar:// comment from switch_to_lookup_table.ll test.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222772 91177308-0d34-0410-b5e6-96231b3b80d8