Modules

Here is a list of all modules:

AuxData	AuxData objects can be attached to the IR or individual Modules to store additional client-specific data in a portable way
Casting	Node and its subclasses support custom casting machinery that allows for type checking, safer static casting, and safe dynamic casting without needing the overhead of a vtable or RTTI
Control Flow Graphs (CFGs)	Interprocedural control flow graph, with vertices of type Block
Symbolic Expressions and Operands	Represent data values or instruction operands which should be intepreted as referring to symbols