[PATCH] D89768: [Coroutine] Properly determine whether an alloca should live on the frame
Xun Li via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Nov 5 15:08:09 PST 2020
lxfind added a comment.
In D89768#2377441 <https://reviews.llvm.org/D89768#2377441>, @ben-clayton wrote:
> Hello,
>
> A git bisect has identified this change as the likely candidate for a new set of asserts / crashes in SwiftShader <https://opensource.google/projects/swiftshader> when attempting to use the coroutine passes. This is having knock-on issues with internal Google projects.
>
> When passing this IR <https://gist.github.com/ben-clayton/f86c02e7dc84357695b5e4d5ba65211b> to `./bin/opt crash.ir -coro-early -coro-split -coro-elide -S` with this change, we now get this crash <https://gist.github.com/ben-clayton/e2b383da11e71deec415b448dcea5ac9>.
> Running the same command on the parent change does not crash, and behaves as expected.
>
> I'd like to file a bug, but LLVM's Bugzilla is not letting me sign in, possibly due to spam restrictions. :-/
>
> I'll do some investigation myself tomorrow, but any assistance here would be gratefully appreciated.
>
> Many thanks,
> Ben
Thanks for reporting. I will take a look.
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https://reviews.llvm.org/D89768/new/
https://reviews.llvm.org/D89768
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