[LLVMdev] [RFC] Less memory and greater maintainability for debug info IR

Bob Wilson bob.wilson at apple.com
Mon Oct 13 16:34:23 PDT 2014

> On Oct 13, 2014, at 3:47 PM, David Blaikie <dblaikie at gmail.com> wrote:
> It's a rather heavy burden to carry. Currently we have a much lighter cost to changing the debug info schema (rev the version number - any debug info with an older version number is dropped on sight).

This has been convenient while we pay off some of the technical debt in the area of debug info, but at some point, we need to do better than that. Sooner or later, we will need to support a stable debug format in the IR. This proposal seems like a step in the right direction.

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