pub struct MaybeRequiresStorage<'mir, 'tcx> {
borrowed_locals: ResultsCursor<'mir, 'tcx, MaybeBorrowedLocals>,
}
Expand description
Dataflow analysis that determines whether each local requires storage at a given location; i.e. whether its storage can go away without being observed.
Fields§
§borrowed_locals: ResultsCursor<'mir, 'tcx, MaybeBorrowedLocals>
Implementations§
source§impl<'mir, 'tcx> MaybeRequiresStorage<'mir, 'tcx>
impl<'mir, 'tcx> MaybeRequiresStorage<'mir, 'tcx>
pub fn new( borrowed_locals: ResultsCursor<'mir, 'tcx, MaybeBorrowedLocals>, ) -> Self
source§impl<'tcx> MaybeRequiresStorage<'_, 'tcx>
impl<'tcx> MaybeRequiresStorage<'_, 'tcx>
sourcefn check_for_move(&mut self, trans: &mut impl GenKill<Local>, loc: Location)
fn check_for_move(&mut self, trans: &mut impl GenKill<Local>, loc: Location)
Kill locals that are fully moved and have not been borrowed.
Trait Implementations§
source§impl<'tcx> AnalysisDomain<'tcx> for MaybeRequiresStorage<'_, 'tcx>
impl<'tcx> AnalysisDomain<'tcx> for MaybeRequiresStorage<'_, 'tcx>
source§type Domain = BitSet<Local>
type Domain = BitSet<Local>
The type that holds the dataflow state at any given point in the program.
source§const NAME: &'static str = "requires_storage"
const NAME: &'static str = "requires_storage"
A descriptive name for this analysis. Used only for debugging. Read more
source§fn bottom_value(&self, body: &Body<'tcx>) -> Self::Domain
fn bottom_value(&self, body: &Body<'tcx>) -> Self::Domain
Returns the initial value of the dataflow state upon entry to each basic block.
source§impl<'tcx> GenKillAnalysis<'tcx> for MaybeRequiresStorage<'_, 'tcx>
impl<'tcx> GenKillAnalysis<'tcx> for MaybeRequiresStorage<'_, 'tcx>
type Idx = Local
fn domain_size(&self, body: &Body<'tcx>) -> usize
source§fn before_statement_effect(
&mut self,
trans: &mut impl GenKill<Self::Idx>,
stmt: &Statement<'tcx>,
loc: Location,
)
fn before_statement_effect( &mut self, trans: &mut impl GenKill<Self::Idx>, stmt: &Statement<'tcx>, loc: Location, )
See
Analysis::apply_before_statement_effect
. Note how the second arg
differs.source§fn statement_effect(
&mut self,
trans: &mut impl GenKill<Self::Idx>,
_: &Statement<'tcx>,
loc: Location,
)
fn statement_effect( &mut self, trans: &mut impl GenKill<Self::Idx>, _: &Statement<'tcx>, loc: Location, )
See
Analysis::apply_statement_effect
. Note how the second arg differs.source§fn before_terminator_effect(
&mut self,
trans: &mut Self::Domain,
terminator: &Terminator<'tcx>,
loc: Location,
)
fn before_terminator_effect( &mut self, trans: &mut Self::Domain, terminator: &Terminator<'tcx>, loc: Location, )
See
Analysis::apply_before_terminator_effect
.source§fn terminator_effect<'t>(
&mut self,
trans: &mut Self::Domain,
terminator: &'t Terminator<'tcx>,
loc: Location,
) -> TerminatorEdges<'t, 'tcx>
fn terminator_effect<'t>( &mut self, trans: &mut Self::Domain, terminator: &'t Terminator<'tcx>, loc: Location, ) -> TerminatorEdges<'t, 'tcx>
See
Analysis::apply_terminator_effect
.source§fn call_return_effect(
&mut self,
trans: &mut Self::Domain,
_block: BasicBlock,
return_places: CallReturnPlaces<'_, 'tcx>,
)
fn call_return_effect( &mut self, trans: &mut Self::Domain, _block: BasicBlock, return_places: CallReturnPlaces<'_, 'tcx>, )
See
Analysis::apply_call_return_effect
.source§fn switch_int_edge_effects<G: GenKill<Self::Idx>>(
&mut self,
_block: BasicBlock,
_discr: &Operand<'tcx>,
_edge_effects: &mut impl SwitchIntEdgeEffects<G>,
)
fn switch_int_edge_effects<G: GenKill<Self::Idx>>( &mut self, _block: BasicBlock, _discr: &Operand<'tcx>, _edge_effects: &mut impl SwitchIntEdgeEffects<G>, )
See
Analysis::apply_switch_int_edge_effects
.Auto Trait Implementations§
impl<'mir, 'tcx> Freeze for MaybeRequiresStorage<'mir, 'tcx>
impl<'mir, 'tcx> !RefUnwindSafe for MaybeRequiresStorage<'mir, 'tcx>
impl<'mir, 'tcx> !Send for MaybeRequiresStorage<'mir, 'tcx>
impl<'mir, 'tcx> !Sync for MaybeRequiresStorage<'mir, 'tcx>
impl<'mir, 'tcx> Unpin for MaybeRequiresStorage<'mir, 'tcx>
impl<'mir, 'tcx> !UnwindSafe for MaybeRequiresStorage<'mir, 'tcx>
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
source§impl<T, R> CollectAndApply<T, R> for T
impl<T, R> CollectAndApply<T, R> for T
source§impl<T> Filterable for T
impl<T> Filterable for T
source§fn filterable(
self,
filter_name: &'static str,
) -> RequestFilterDataProvider<T, fn(_: DataRequest<'_>) -> bool>
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
source§impl<T> Instrument for T
impl<T> Instrument for T
source§fn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
source§fn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
source§impl<T> IntoEither for T
impl<T> IntoEither for T
source§fn into_either(self, into_left: bool) -> Either<Self, Self>
fn into_either(self, into_left: bool) -> Either<Self, Self>
Converts
self
into a Left
variant of Either<Self, Self>
if into_left
is true
.
Converts self
into a Right
variant of Either<Self, Self>
otherwise. Read moresource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
Converts
self
into a Left
variant of Either<Self, Self>
if into_left(&self)
returns true
.
Converts self
into a Right
variant of Either<Self, Self>
otherwise. Read moresource§impl<P> IntoQueryParam<P> for P
impl<P> IntoQueryParam<P> for P
fn into_query_param(self) -> P
source§impl<T> MaybeResult<T> for T
impl<T> MaybeResult<T> for T
source§impl<I, T, U> Upcast<I, U> for Twhere
U: UpcastFrom<I, T>,
impl<I, T, U> Upcast<I, U> for Twhere
U: UpcastFrom<I, T>,
source§impl<I, T> UpcastFrom<I, T> for T
impl<I, T> UpcastFrom<I, T> for T
fn upcast_from(from: T, _tcx: I) -> T
source§impl<Tcx, T> Value<Tcx> for Twhere
Tcx: DepContext,
impl<Tcx, T> Value<Tcx> for Twhere
Tcx: DepContext,
default fn from_cycle_error( tcx: Tcx, cycle_error: &CycleError, _guar: ErrorGuaranteed, ) -> T
source§impl<T> WithSubscriber for T
impl<T> WithSubscriber for T
source§fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
source§fn with_current_subscriber(self) -> WithDispatch<Self>
fn with_current_subscriber(self) -> WithDispatch<Self>
impl<'a, T> Captures<'a> for Twhere
T: ?Sized,
impl<T> ErasedDestructor for Twhere
T: 'static,
impl<T> MaybeSendSync for T
Layout§
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: 128 bytes