fix typo in comment


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221273 91177308-0d34-0410-b5e6-96231b3b80d8
remove function names from comments; NFC


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221274 91177308-0d34-0410-b5e6-96231b3b80d8