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Use RPITIT for Successors and Predecessors traits

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Now with RPITIT instead of GAT!
This commit is contained in:
Maybe Waffle
2024-04-15 13:33:08 +00:00
parent e8d2221e3b
commit 435db9b9bd
8 changed files with 14 additions and 46 deletions
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10
compiler/rustc_middle/src/mir/basic_blocks.rs
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@@ -1,5 +1,5 @@
use crate::mir::traversal::Postorder;
use crate::mir::{BasicBlock, BasicBlockData, Successors, Terminator, TerminatorKind, START_BLOCK};
use crate::mir::{BasicBlock, BasicBlockData, Terminator, TerminatorKind, START_BLOCK};
use rustc_data_structures::fx::FxHashMap;
use rustc_data_structures::graph;
@@ -156,19 +156,15 @@ impl<'tcx> graph::StartNode for BasicBlocks<'tcx> {
}
impl<'tcx> graph::Successors for BasicBlocks<'tcx> {
type Successors<'b> = Successors<'b> where 'tcx: 'b;
#[inline]
fn successors(&self, node: Self::Node) -> Self::Successors<'_> {
fn successors(&self, node: Self::Node) -> impl Iterator<Item = Self::Node> {
self.basic_blocks[node].terminator().successors()
}
}
impl<'tcx> graph::Predecessors for BasicBlocks<'tcx> {
type Predecessors<'b> = std::iter::Copied<std::slice::Iter<'b, BasicBlock>> where 'tcx: 'b;
#[inline]
fn predecessors(&self, node: Self::Node) -> Self::Predecessors<'_> {
fn predecessors(&self, node: Self::Node) -> impl Iterator<Item = Self::Node> {
self.predecessors()[node].iter().copied()
}
}