/usr/share/man/man1/tblgen.1.gz is in llvm 1:6.0-41~exp4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man1/tblgen-6.0.1.gz
/usr/share/man/man1/tblgen-6.0.1.gz