[llvm-dev] LLVM passes for C++20 coroutines now work with the new pass manager

David Blaikie via llvm-dev llvm-dev at lists.llvm.org
Wed Feb 19 10:33:11 PST 2020


On Tue, Feb 18, 2020 at 11:01 PM Brian Gesiak via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> Hello all,
> First of all, thank you to everyone who helped me out with my previous
> questions/requests on this mailing list and the LLVM Discord [1]. I
> just thought I'd announce that, now that the stack of diffs ending
> with https://reviews.llvm.org/D71903 have landed in trunk, LLVM's
> coroutine passes are capable of being run with the new pass manager
> [2].
> My colleagues and I have been using this stack of diffs in our
> internal fork of LLVM to compile several large C++17 codebases that
> make use of ThinLTO and the -fcoroutines-ts option, and it's been
> working well so far. For any users of LLVM coroutines with the new
> pass manager, please send bug reports my way (using either Bugzilla or
> GitHub issues, I'll check both).
> [1] http://lists.llvm.org/pipermail/llvm-dev/2019-November/137203.html,
> http://lists.llvm.org/pipermail/llvm-dev/2019-December/137835.html,
> etc.
> [2] One caveat here: my patches only C++20 coroutines' "switch" ABI,
> not the "returned continuation" ABI used by Swift. The codebases I
> support only use the former, so I stuck with what I know.
> - Brian Gesiak
> _______________________________________________
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> llvm-dev at lists.llvm.org
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