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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Size: 72 bytes