Struct DataFlowAnalysis

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pub struct DataFlowAnalysis {
    pub definitions: HashMap<String, NodeId>,
    pub uses: HashMap<String, Vec<NodeId>>,
    pub live_variables: HashMap<NodeId, HashSet<String>>,
    pub reaching_definitions: HashMap<NodeId, HashMap<String, NodeId>>,
    pub available_expressions: HashMap<NodeId, HashSet<Expression>>,
    pub dead_code: Vec<NodeId>,
    pub common_subexpressions: Vec<CommonSubexpression>,
}

Expand description

Data flow analysis for optimization opportunities

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§definitions: HashMap<String, NodeId>

Variable definitions: which node defines each variable

§uses: HashMap<String, Vec<NodeId>>

Variable uses: which nodes use each variable

§live_variables: HashMap<NodeId, HashSet<String>>

Live variables at each node

§reaching_definitions: HashMap<NodeId, HashMap<String, NodeId>>

Reaching definitions for each node

§available_expressions: HashMap<NodeId, HashSet<Expression>>

Available expressions at each node

§dead_code: Vec<NodeId>

Dead code nodes

§common_subexpressions: Vec<CommonSubexpression>

Common subexpressions

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impl DataFlowAnalysis

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pub fn get_recommendations(&self) -> Vec<OptimizationRecommendation>

Get optimization recommendations

Trait Implementations§

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impl Clone for DataFlowAnalysis

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fn clone(&self) -> DataFlowAnalysis

Returns a duplicate of the value. Read more

1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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impl Debug for DataFlowAnalysis

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl UnwindSafe for DataFlowAnalysis

Blanket Implementations§

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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<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

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impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dest. Read more

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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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 more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
where F: FnOnce(&Self) -> bool,

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 more

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