[llvm-dev] ThinLTO promotion is ending up with "invalid" IR before IR-Linking

[Adrian Prantl via llvm-dev]

> On Dec 23, 2016, at 11:33 AM, Mehdi Amini <mehdi.amini at apple.com> wrote:
> 
> CC a few folks more aware of debug info that I am: is there a plan to make llvm.dbg.cu disappear?

No. The llvm.dbg.cu named MDNode is the one IR node that (via their owning DICompileUnits) points to debug info for entities that have been optimized away.

-- adrian