rustc_codegen_ssa::back::write

Enum Message

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pub(crate) enum Message<B: WriteBackendMethods> {
    Token(Result<Acquired>),
    WorkItem {
        result: Result<WorkItemResult<B>, Option<WorkerFatalError>>,
        worker_id: usize,
    },
    CodegenDone {
        llvm_work_item: WorkItem<B>,
        cost: u64,
    },
    AddImportOnlyModule {
        module_data: SerializedModule<B::ModuleBuffer>,
        work_product: WorkProduct,
    },
    CodegenComplete,
    CodegenAborted,
}
Expand description

Messages sent to the coordinator.

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Token(Result<Acquired>)

A jobserver token has become available. Sent from the jobserver helper thread.

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WorkItem

The backend has finished processing a work item for a codegen unit. Sent from a backend worker thread.

Fields

§result: Result<WorkItemResult<B>, Option<WorkerFatalError>>
§worker_id: usize
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CodegenDone

The frontend has finished generating something (backend IR or a post-LTO artifact) for a codegen unit, and it should be passed to the backend. Sent from the main thread.

Fields

§llvm_work_item: WorkItem<B>
§cost: u64
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AddImportOnlyModule

Similar to CodegenDone, but for reusing a pre-LTO artifact Sent from the main thread.

Fields

§module_data: SerializedModule<B::ModuleBuffer>
§work_product: WorkProduct
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CodegenComplete

The frontend has finished generating everything for all codegen units. Sent from the main thread.

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CodegenAborted

Some normal-ish compiler error occurred, and codegen should be wound down. Sent from the main thread.

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fn collect_and_apply<I, F>(iter: I, f: F) -> R
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Equivalent to f(&iter.collect::<Vec<_>>()).

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type Output = R

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fn filterable( self, filter_name: &'static str, ) -> RequestFilterDataProvider<T, fn(_: DataRequest<'_>) -> bool>

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Note: Unable to compute type layout, possibly due to this type having generic parameters. Layout can only be computed for concrete, fully-instantiated types.