llvmpy/llvmpy — pull request #21 by laanwj (2012-09-14 15:13:49+00:00)
Title: MetaData operands can be None. Handle this.

When certain debug data operands (such as virtual function references) are unused, the values at that index can be None.
Currently, that causes an error when handled in llvmpy (both when emitting and parsing). This pull request makes it work.