[llvm] [MC] output inlined-at debug info (PR #106230)

[Yaxun Liu via llvm-commits]

yxsamliu wrote:

> Reverted this because it causes substantial compile-time regressions for debug builds: https://llvm-compile-time-tracker.com/compare.php?from=267403442264959f6b06e227ff450c385f4b3ef2&to=f3dc358953a13caf7521fc615a08f6317930351c&stat=instructions:u
> 
> This needs to be implemented in a way that does not affect the happy (non-assembly) path at all. Presumably what's happening now is that it always gets printed and then discarded when emitting to MC.

Yes I think there was some overhead introduced for the object path. I will fix it. Thanks.

https://github.com/llvm/llvm-project/pull/106230