<div dir="ltr">(this was accidentally committed and has been reverted - see the llvm-dev thread discussing line tables)<br><br>/maybe/ - but at the moment I'm inclined to remove it unless there's someone with a concrete use case. I think actually, now that you've fixed the artificial stuff, we probably don't emit it from the frontend under -gmlt anyway, though I haven't checked.<br>
</div><div class="gmail_extra"><br><br><div class="gmail_quote">On Fri, Aug 29, 2014 at 4:35 PM, Adrian Prantl <span dir="ltr"><<a href="mailto:aprantl@apple.com" target="_blank">aprantl@apple.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">I think DW_AT_artificial could be useful to keep for subprograms, so compiler-generated helper functions/thunks can be hidden in backtraces?<br>

<span class="HOEnZb"><font color="#888888"><br>
-- adrian<br>
</font></span><div class="HOEnZb"><div class="h5"><br>
> On Aug 29, 2014, at 3:05 PM, David Blaikie <<a href="mailto:dblaikie@gmail.com">dblaikie@gmail.com</a>> wrote:<br>
><br>
> Author: dblaikie<br>
> Date: Fri Aug 29 17:05:29 2014<br>
> New Revision: 216789<br>
><br>
> URL: <a href="http://llvm.org/viewvc/llvm-project?rev=216789&view=rev" target="_blank">http://llvm.org/viewvc/llvm-project?rev=216789&view=rev</a><br>
> Log:<br>
> Omit DW_AT_artificial, DW_AT_external, and similar attributes under -gmlt<br>
><br>
> Modified:<br>
>    llvm/trunk/lib/CodeGen/AsmPrinter/DwarfUnit.cpp<br>
><br>
> Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfUnit.cpp<br>
> URL: <a href="http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfUnit.cpp?rev=216789&r1=216788&r2=216789&view=diff" target="_blank">http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfUnit.cpp?rev=216789&r1=216788&r2=216789&view=diff</a><br>

> ==============================================================================<br>
> --- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfUnit.cpp (original)<br>
> +++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfUnit.cpp Fri Aug 29 17:05:29 2014<br>
> @@ -1518,6 +1518,9 @@ void DwarfUnit::applySubprogramAttribute<br>
>     constructSubprogramArguments(SPDie, Args);<br>
>   }<br>
><br>
> +  if(getCUNode().getEmissionKind() == DIBuilder::LineTablesOnly)<br>
> +    return;<br>
> +<br>
>   if (SP.isArtificial())<br>
>     addFlag(SPDie, dwarf::DW_AT_artificial);<br>
><br>
><br>
><br>
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<br>
</div></div></blockquote></div><br></div>