[LLVMdev] tblgen internals

[Garrison Venn]

Is there a reason that RecordKeeper:: getAllDerivedDefinitions(...) implementation 
accesses the global Records instance instead of just referencing itself?

As far as I can tell from the usage:

1) Records has the linkage as extern RecordKeeper Records in Record.h
2) Is instantiated as a global in TableGen
3) All llvm uses of getAllDerivedDefinitions SEEM to be manifested as a 
message to this global RecordKeeper

In short getAllDerivedDefinitions(...) sort of (non-static) treats RecordKeeper 
as a singleton but it is never accessed this way. It is always accessed via
the global: Records.

Pointers to what I'm missing would be helpful.

Thanks in advance

Garrison
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