efriedma added a comment.

> Yeah, my thoughts too. Though if we don't compile with -g, does that mean if 
> I use DILocation (or w/e metadata for "inlining occurred") that .debug_info 
> will get emitted, even if the user didn't ask for it? If not, I can probably 
> switch everything to use DILocation.

clang has a "LocTrackingOnly" setting for debug info, which emits DILocation 
info into the IR, but emits a marker into the DICompileUnit to skip emitting 
the .debug_info in the backend.  We currently use it for -Rpass.  We don't do 
this by default, I think to save compile time.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D141451/new/

https://reviews.llvm.org/D141451

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