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[RuntimeAsync] Implement suspension-aware liveness and dead-code elimination #115261

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jakobbotsch opened this issue Apr 2, 2025 · 1 comment
Open

[RuntimeAsync] Implement suspension-aware liveness and dead-code elimination #115261

jakobbotsch opened this issue Apr 2, 2025 · 1 comment
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area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI runtime-async

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@jakobbotsch
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Liveness can be aware of the fact that addresses of locals are not stable across suspension points. This means that address exposed locals can be considered to no longer have their address taken after suspension.

I think this will be required to eliminate zeroing in practice that gets introduced due to #115262. Particularly for ref structs that end up address exposed.
@VSadov VSadov transferred this issue from dotnet/runtimelab May 3, 2025
@dotnet-issue-labeler dotnet-issue-labeler bot added the needs-area-label An area label is needed to ensure this gets routed to the appropriate area owners label May 3, 2025
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@VSadov VSadov added runtime-async and removed untriaged New issue has not been triaged by the area owner labels May 3, 2025
@jeffschwMSFT jeffschwMSFT added the area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI label May 5, 2025
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@vcsjones vcsjones removed the needs-area-label An area label is needed to ensure this gets routed to the appropriate area owners label May 6, 2025
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