rustc_middle::mir::interpret

Struct AllocMap

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pub(crate) struct AllocMap<'tcx> {
    alloc_map: FxHashMap<AllocId, GlobalAlloc<'tcx>>,
    dedup: FxHashMap<(GlobalAlloc<'tcx>, usize), AllocId>,
    next_id: AllocId,
}

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§alloc_map: FxHashMap<AllocId, GlobalAlloc<'tcx>>

Maps AllocIds to their corresponding allocations.

§dedup: FxHashMap<(GlobalAlloc<'tcx>, usize), AllocId>

Used to deduplicate global allocations: functions, vtables, string literals, …

The usize is a “salt” used by Miri to make deduplication imperfect, thus better emulating the actual guarantees.

§next_id: AllocId

The AllocId to assign to the next requested ID. Always incremented; never gets smaller.

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impl<'tcx> AllocMap<'tcx>

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pub(crate) fn new() -> Self

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fn reserve(&mut self) -> AllocId

Auto Trait Implementations§

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impl<'tcx> DynSend for AllocMap<'tcx>

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impl<'tcx> DynSync for AllocMap<'tcx>

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impl<'tcx> Freeze for AllocMap<'tcx>

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impl<'tcx> !RefUnwindSafe for AllocMap<'tcx>

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impl<'tcx> Send for AllocMap<'tcx>

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impl<'tcx> Sync for AllocMap<'tcx>

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impl<'tcx> Unpin for AllocMap<'tcx>

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impl<'tcx> !UnwindSafe for AllocMap<'tcx>

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impl<T> Aligned for T

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const ALIGN: Alignment = _

Alignment of Self.
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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T, R> CollectAndApply<T, R> for T

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fn collect_and_apply<I, F>(iter: I, f: F) -> R
where I: Iterator<Item = T>, F: FnOnce(&[T]) -> R,

Equivalent to f(&iter.collect::<Vec<_>>()).

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type Output = R

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impl<T> Filterable for T

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

Creates a filterable data provider with the given name for debugging. Read more
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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

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fn into_either(self, into_left: bool) -> Either<Self, Self>

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type Error = !

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impl<T> Pointable for T

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const ALIGN: usize = _

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

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type Output = T

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fn upcast(self, interner: I) -> U

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fn vzip(self) -> V

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impl<Tcx, T> Value<Tcx> for T
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default fn from_cycle_error( tcx: Tcx, cycle_error: &CycleError, _guar: ErrorGuaranteed, ) -> T

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Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 72 bytes