missing header                                 ParseError: the first line must be '; uop v1' (a title may follow), got '%0 = param : dtype=f32 slot=0'
use before definition                          ParseError: line 2: '%1' is not defined above this line
unknown op                                     ParseError: line 2: unknown op 'frobnicate'
a bad number in a source list                  ParseError: line 3: '%x' is not defined above this line
wrong dtype in a line                          ParseError: line 4: ADD: needs two srcs of the same dtype
a good file                                    built
