Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Kill dead code dominator code. #59811

Merged
merged 1 commit into from
Apr 12, 2019
Merged

Kill dead code dominator code. #59811

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
47 changes: 0 additions & 47 deletions src/librustc_data_structures/graph/dominators/mod.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -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;

Expand Down Expand Up @@ -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()
}
}