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19015
2019 Sep 18
3
Setting llvm::TargetOptions::GuaranteedTailCallOpt in LTO Code Generation
Hi Dwight
Thanks for the feedback. For the issue you reported, there has been few reviews trying to tweak the -mllvm option when using legacy LTO interfaces (myself included) but it never got enough traction to moving forward. Note how -tailcallopt is implemented as a -mllvm flag means that it is a debug option and probably not well tested. The option is also not stable which means it can be
2019 Sep 18
2
Setting llvm::TargetOptions::GuaranteedTailCallOpt in LTO Code Generation
...ow -tailcallopt is implemented as a -mllvm flag means that it is a debug
> option and probably not well tested. The option is also not stable which
> means it can be renamed without notification.
>
>
> Digging out the patch Teresa once pointed out to me:
> https://reviews.llvm.org/D19015
> It is really a two line change. If you build your own libLTO, it is a very
> patch to maintain downstream.
>
Thanks for linking this to me! I will try and see if I can get this to work
because it might be the simplest short term solution so we can have
something working. It is not ideal...