[PATCH] D43324: WIP: [Utils] Salvage debug info of DCE'ed extractvalue instructions

[Vedant Kumar via Phabricator via llvm-commits]

vsk added a comment.

I'm having trouble finding an end-to-end test for this because of issues in the register allocator. This may end up depending on https://reviews.llvm.org/D43427 and possibly other follow-ups.


https://reviews.llvm.org/D43324