The branch selector would change the names. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@287174 91177308-0d34-0410-b5e6-96231b3b80d8
This adds two test files that verify the 'cttz' and 'ctlz' operations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@287172 91177308-0d34-0410-b5e6-96231b3b80d8