5 use crate::ir::{Block, Function, Layout, ProgramPoint};
21     block: PackedOption<Block>,
79     fn push(&mut self, ancestor: u32, block: Block) -> u32 {  in push()
115     Enter(u32, Block),
116     Exit(Block),
123     idom: PackedOption<Block>,
128     child: PackedOption<Block>,
131     sibling: PackedOption<Block>,
148     postorder: Vec<Block>,
150     nodes: SecondaryMap<Block, DominatorTreeNode>,
164     pub fn is_reachable(&self, block: Block) -> bool {  in is_reachable()
172     pub fn cfg_postorder(&self) -> &[Block] {  in cfg_postorder()  argument
181     pub fn cfg_rpo(&self) -> impl Iterator<Item = &Block> {  in cfg_rpo()
196     pub fn idom(&self, block: Block) -> Option<Block> {  in idom()  argument
218             ProgramPoint::Block(block_a) => match b {  in dominates()
219                 ProgramPoint::Block(block_b) => self.block_dominates(block_a, block_b),  in dominates()
228                 let block_a: Block = layout  in dominates()
232                     ProgramPoint::Block(block_b) => {  in dominates()
254     pub fn block_dominates(&self, block_a: Block, block_b: Block) -> bool {  in block_dominates()  argument
264     pub fn children(&self, block: Block) -> ChildIter<'_> {  in children()
519     next: PackedOption<Block>,
523     type Item = Block;
525     fn next(&mut self) -> Option<Block> {  in next()  argument