[LLVMdev] [lld] [patch] Mach-O Performance fix

[Nick Kledzik]

Thanks!  Committed in r222455

-Nick

On Nov 20, 2014, at 1:41 AM, Jean-Daniel Dupas <mailing at xenonium.com> wrote:
> Hello,
> 
> While profiling lld, I found that lld spend more than 10% of the link time doing useless vector copy induced by used of ‘auto’ keyword.
> 
> Here is a patch to avoid that copy by explicitly requiring a reference (auto&). The culprit was ‘auto vec = pos->second’
> 
> Maybe we should review other places where auto is used to make sure that kind of issue does not occurs.
> 
> 
> -- Jean-Daniel
> 
> 
> 
> <nocopy.patch>