Fix CodeGen for unaligned loads with address spaces

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193721 91177308-0d34-0410-b5e6-96231b3b80d8
Fix a few typos

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193723 91177308-0d34-0410-b5e6-96231b3b80d8