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Remove some vec clones in const-eval

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This commit is contained in:
Lukas Wirth 2024-01-06 19:20:13 +01:00
parent 5125063a21
commit 5ac0c14384
8 changed files with 161 additions and 128 deletions
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32
crates/hir-ty/src/interner.rs
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@ -36,35 +36,6 @@ impl<T> std::ops::Deref for InternedWrapper<T> {
}
}
#[derive(Eq)]
pub struct PreHashedWrapper<T>(T, u64);
impl<T: fmt::Debug> fmt::Debug for PreHashedWrapper<T> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
fmt::Debug::fmt(&self.0, f)
}
}
impl<T: PartialEq> PartialEq for PreHashedWrapper<T> {
fn eq(&self, other: &Self) -> bool {
self.1 == other.1 && self.0 == other.0
}
}
impl<T> std::ops::Deref for PreHashedWrapper<T> {
type Target = T;
fn deref(&self) -> &Self::Target {
&self.0
}
}
impl<T: std::hash::Hash> std::hash::Hash for PreHashedWrapper<T> {
fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
state.write_u64(self.1);
}
}
impl_internable!(
InternedWrapper<Vec<VariableKind>>,
InternedWrapper<SmallVec<[GenericArg; 2]>>,
@ -76,7 +47,6 @@ impl_internable!(
InternedWrapper<Vec<ProgramClause>>,
InternedWrapper<Vec<QuantifiedWhereClause>>,
InternedWrapper<SmallVec<[Variance; 16]>>,
// InternedWrapper<PreHashedWrapper<Goals>>,
);
impl chalk_ir::interner::Interner for Interner {
@ -88,7 +58,6 @@ impl chalk_ir::interner::Interner for Interner {
// We could do the following, but that saves "only" 20mb on self while increasing inferecene
// time by ~2.5%
// type InternedGoal = Interned<InternedWrapper<GoalData>>;
// type InternedGoal = Interned<InternedWrapper<PreHashedWrapper<GoalData>>>;
type InternedGoal = Arc<GoalData>;
type InternedGoals = Vec<Goal>;
type InternedSubstitution = Interned<InternedWrapper<SmallVec<[GenericArg; 2]>>>;
@ -97,7 +66,6 @@ impl chalk_ir::interner::Interner for Interner {
type InternedQuantifiedWhereClauses = Interned<InternedWrapper<Vec<QuantifiedWhereClause>>>;
type InternedVariableKinds = Interned<InternedWrapper<Vec<VariableKind>>>;
type InternedCanonicalVarKinds = Interned<InternedWrapper<Vec<CanonicalVarKind>>>;
// type InternedConstraints = SmallVec<[InEnvironment<Constraint>; 1]>;
type InternedConstraints = Vec<InEnvironment<Constraint>>;
type InternedVariances = SmallVec<[Variance; 16]>;
type DefId = InternId;