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use FxHashMap instead of BTreeMap

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This commit is contained in:
lcnr
2022-06-10 10:09:05 +02:00
parent 3d26f5a000
commit efdf948f43
1 changed files with 3 additions and 4 deletions
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7
compiler/rustc_infer/src/infer/mod.rs
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@@ -33,7 +33,6 @@ use rustc_span::symbol::Symbol;
use rustc_span::Span; use rustc_span::Span;
use std::cell::{Cell, Ref, RefCell}; use std::cell::{Cell, Ref, RefCell};
use std::collections::BTreeMap;
use std::fmt; use std::fmt;
use self::combine::CombineFields; use self::combine::CombineFields;
@@ -1532,14 +1531,14 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
return inner; return inner;
} }
let mut region_map = BTreeMap::new(); let mut region_map = FxHashMap::default();
let fld_r = |br: ty::BoundRegion| { let fld_r = |br: ty::BoundRegion| {
*region_map *region_map
.entry(br) .entry(br)
.or_insert_with(|| self.next_region_var(LateBoundRegion(span, br.kind, lbrct))) .or_insert_with(|| self.next_region_var(LateBoundRegion(span, br.kind, lbrct)))
}; };
let mut ty_map = BTreeMap::new(); let mut ty_map = FxHashMap::default();
let fld_t = |bt: ty::BoundTy| { let fld_t = |bt: ty::BoundTy| {
*ty_map.entry(bt).or_insert_with(|| { *ty_map.entry(bt).or_insert_with(|| {
self.next_ty_var(TypeVariableOrigin { self.next_ty_var(TypeVariableOrigin {
@@ -1548,7 +1547,7 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
}) })
}) })
}; };
let mut ct_map = BTreeMap::new(); let mut ct_map = FxHashMap::default();
let fld_c = |bc: ty::BoundVar, ty| { let fld_c = |bc: ty::BoundVar, ty| {
*ct_map.entry(bc).or_insert_with(|| { *ct_map.entry(bc).or_insert_with(|| {
self.next_const_var( self.next_const_var(