rustc_mir_transform::jump_threading

Struct OpportunitySet

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struct OpportunitySet {
    opportunities: Vec<ThreadingOpportunity>,
    involving_tos: IndexVec<BasicBlock, Vec<(usize, usize)>>,
    predecessors: IndexVec<BasicBlock, usize>,
}

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§opportunities: Vec<ThreadingOpportunity>§involving_tos: IndexVec<BasicBlock, Vec<(usize, usize)>>

For each bb, give the TOs in which it appears. The pair corresponds to the index in opportunities and the index in ThreadingOpportunity::chain.

§predecessors: IndexVec<BasicBlock, usize>

Cache the number of predecessors for each block, as we clear the basic block cache..

Implementations§

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impl OpportunitySet

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fn new( body: &Body<'_>, opportunities: Vec<ThreadingOpportunity>, ) -> OpportunitySet

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fn apply(&mut self, body: &mut Body<'_>)

Apply the opportunities on the graph.

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fn apply_once(&mut self, index: usize, body: &mut Body<'_>)

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fn update_predecessor_count( &mut self, terminator: &Terminator<'_>, incr: Update, )

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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