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nak: Reserve capacity in LiveSet::from_iter,extend

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Reviewed-by: Mary Guillemard <mary@mary.zone>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33306>
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Mel Henning 2025-12-12 18:54:32 -05:00 • committed by Marge Bot
parent f64d2c8557
commit 5caee114ec
1 changed files with 4 additions and 0 deletions
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4
src/nouveau/compiler/nak/liveness.rs
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@ -108,6 +108,8 @@ impl LiveSet {
impl FromIterator<SSAValue> for LiveSet { impl FromIterator<SSAValue> for LiveSet {
fn from_iter<T: IntoIterator<Item = SSAValue>>(iter: T) -> Self { fn from_iter<T: IntoIterator<Item = SSAValue>>(iter: T) -> Self {
let mut set = LiveSet::new(); let mut set = LiveSet::new();
let iter = iter.into_iter();
set.set.reserve(iter.size_hint().0);
for ssa in iter { for ssa in iter {
set.insert(ssa); set.insert(ssa);
} }
@ -117,6 +119,8 @@ impl FromIterator<SSAValue> for LiveSet {
impl Extend<SSAValue> for LiveSet { impl Extend<SSAValue> for LiveSet {
fn extend<T: IntoIterator<Item = SSAValue>>(&mut self, iter: T) { fn extend<T: IntoIterator<Item = SSAValue>>(&mut self, iter: T) {
let iter = iter.into_iter();
self.set.reserve(iter.size_hint().0);
for ssa in iter { for ssa in iter {
self.insert(ssa); self.insert(ssa);
} }