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Kill dead code dominator code.

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This commit is contained in:
Edd Barrett 2019-04-09 11:48:31 +01:00
parent 3750348daf
commit 3262d1e252
1 changed files with 0 additions and 47 deletions
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47
src/librustc_data_structures/graph/dominators/mod.rs
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@ -8,8 +8,6 @@ use super::super::indexed_vec::{Idx, IndexVec};
use super::iterate::reverse_post_order;
use super::ControlFlowGraph;
use std::fmt;
#[cfg(test)]
mod test;
@ -158,48 +156,3 @@ impl<'dom, Node: Idx> Iterator for Iter<'dom, Node> {
}
}
}
pub struct DominatorTree<N: Idx> {
root: N,
children: IndexVec<N, Vec<N>>,
}
impl<Node: Idx> DominatorTree<Node> {
pub fn children(&self, node: Node) -> &[Node] {
&self.children[node]
}
}
impl<Node: Idx> fmt::Debug for DominatorTree<Node> {
fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
fmt::Debug::fmt(
&DominatorTreeNode {
tree: self,
node: self.root,
},
fmt,
)
}
}
struct DominatorTreeNode<'tree, Node: Idx> {
tree: &'tree DominatorTree<Node>,
node: Node,
}
impl<'tree, Node: Idx> fmt::Debug for DominatorTreeNode<'tree, Node> {
fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
let subtrees: Vec<_> = self.tree
.children(self.node)
.iter()
.map(|&child| DominatorTreeNode {
tree: self.tree,
node: child,
})
.collect();
fmt.debug_tuple("")
.field(&self.node)
.field(&subtrees)
.finish()
}
}