/usr/bin/llvm-dis-2.9 is in llvm-2.9 2.9+dfsg-3ubuntu4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/bin/../lib/llvm-2.9/bin/llvm-dis
/usr/bin/../lib/llvm-2.9/bin/llvm-dis