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Remove unnecessary sorts in rustc_hir_analysis.

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This is an attempt to gain the performance loss after the PR #131140.
Here the related objects are `IndexSet` so do not require a sort to stay stable.
This commit is contained in:
ismailarilik 2024-10-06 15:57:23 +03:00
parent 68301a6a96
commit a0e687f034
2 changed files with 2 additions and 7 deletions
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5
compiler/rustc_hir_analysis/src/check/wfcheck.rs
View File

@ -531,7 +531,7 @@ fn check_gat_where_clauses(tcx: TyCtxt<'_>, trait_def_id: LocalDefId) {
debug!(?required_bounds);
let param_env = tcx.param_env(gat_def_id);
let mut unsatisfied_bounds: Vec<_> = required_bounds
let unsatisfied_bounds: Vec<_> = required_bounds
.into_iter()
.filter(|clause| match clause.kind().skip_binder() {
ty::ClauseKind::RegionOutlives(ty::OutlivesPredicate(a, b)) => {
@ -552,9 +552,6 @@ fn check_gat_where_clauses(tcx: TyCtxt<'_>, trait_def_id: LocalDefId) {
.map(|clause| clause.to_string())
.collect();
// We sort so that order is predictable
unsatisfied_bounds.sort();
if !unsatisfied_bounds.is_empty() {
let plural = pluralize!(unsatisfied_bounds.len());
let suggestion = format!(

4
compiler/rustc_hir_analysis/src/coherence/inherent_impls_overlap.rs
View File

@ -319,9 +319,7 @@ impl<'tcx> InherentOverlapChecker<'tcx> {
// List of connected regions is built. Now, run the overlap check
// for each pair of impl blocks in the same connected region.
for region in connected_regions.into_iter().flatten() {
let mut impl_blocks =
region.impl_blocks.into_iter().collect::<SmallVec<[usize; 8]>>();
impl_blocks.sort_unstable();
let impl_blocks = region.impl_blocks.into_iter().collect::<SmallVec<[usize; 8]>>();
for (i, &impl1_items_idx) in impl_blocks.iter().enumerate() {
let &(&impl1_def_id, impl_items1) = &impls_items[impl1_items_idx];
res = res.and(self.check_for_duplicate_items_in_impl(impl1_def_id));