[llvm][test] Update tests using objdump

Update tests using llvm-objdump since check strings don't
match anymore due to the extra `O` in place. This is a 
followup for rL346610. 
 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@346611 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed