[PATCH] D97673: [RFC] [[Coroutine] [Debug] Salvage dbg.value at O2

Thu Apr 15 19:00:38 PDT 2021

ChuanqiXu added a comment.

In D97673#2693308 <https://reviews.llvm.org/D97673#2693308>, @lxfind wrote:

> Could you update the description of this patch as well?
> It's still not fully clear to me what problem this patch is aiming at resolving.

Previously all `dbg.value`s would be lost after CoroSplit pass. `dbg.value` is debug info compiler produced under optimization. This patch wants to remain as many `dbg.value` as possible while it don't want to change the layout of frame for debug info.

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  https://reviews.llvm.org/D97673/new/

https://reviews.llvm.org/D97673