Move the verbose asm option to be part of the options struct and
set appropriately.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209258 91177308-0d34-0410-b5e6-96231b3b80d8
Move this test to the backend from the frontend.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209259 91177308-0d34-0410-b5e6-96231b3b80d8
Add a comment here.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209262 91177308-0d34-0410-b5e6-96231b3b80d8
This command line option is only used in one place. Move it there and
rename it to something more descriptive.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209263 91177308-0d34-0410-b5e6-96231b3b80d8