TargetMachine::getTargetData

Hi,
in LLVM CVS the above methods returns pointer to TargetData. It used to
return a reference before. What is semantic of 0 return value? Or returning
0 is always a bug? If so, why pointer, and not reference is returned?

Thanks,
Volodya

We are currently in the process of making it optional, but right now it is required. In practice, all targets will be *required* to provide it (it's hard to do much of anything without knowing how to lay out data :slight_smile: ), but it will give us flexibility in the future, for mid-level passes that want to use data layout info if available, but gracefully degrade if not.

-Chris