[PATCH] D152973: Reland "[gold] Add preliminary FatLTO support to the Gold plugin""
Nikita Popov via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Jul 24 15:20:28 PDT 2023
nikic added a comment.
In D152973#4529730 <https://reviews.llvm.org/D152973#4529730>, @paulkirth wrote:
> In D152973#4529666 <https://reviews.llvm.org/D152973#4529666>, @MaskRay wrote:
>
>> If `-ffat-lto-objects` doesn't need to go to the LLVM 17.0.0 release, we can do a soft transition:
>
> Given that Rust pins the LLVM revision to a stable release I think it may be good to get it into Clang 17. Doubly so, since it seems to me that they already have a version of FatLTO, and would benefit from using the FatLTO pipeline.
I don't think we are going to use the FatLTO pipeline as currently implemented in Rust, due to its bad compile-time characteristics. We need a FatLTO implementation that does not require compiling the module twice.
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https://reviews.llvm.org/D152973/new/
https://reviews.llvm.org/D152973
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