[PATCH] DebugInfo: SROA on references should result in undef dbg.values

[Chandler Carruth]

Not sure there is anything you need from *me* here. This part of SROA is part I just ripped from the old one, and those of you working on debug info probably understand it much better.

Generally, I'd really like us to figure out how to make source-level local variables which happen to be LLVM registers when lowered accessible from the debugger. stack_value style stuff seems the right kind of approach, but what do I know.

Let me know if I can help here, but removing myself as a rewiever for now to clear out my dashboard.


http://reviews.llvm.org/D3714

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