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Uplift Predicate::allow_normalization to rustc_type_ir

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This commit is contained in:
Shoyu Vanilla
2026-02-10 01:31:48 +09:00
parent c6936c309a
commit 20f65fc537
2 changed files with 23 additions and 26 deletions
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compiler/rustc_middle/src/ty/predicate.rs
+1 -23
View File
@@ -49,10 +49,6 @@ impl<'tcx> rustc_type_ir::inherent::Predicate<TyCtxt<'tcx>> for Predicate<'tcx>
fn as_clause(self) -> Option<ty::Clause<'tcx>> {
self.as_clause()
}
fn allow_normalization(self) -> bool {
self.allow_normalization()
}
}
impl<'tcx> rustc_type_ir::inherent::IntoKind for Predicate<'tcx> {
@@ -121,25 +117,7 @@ pub fn flip_polarity(self, tcx: TyCtxt<'tcx>) -> Option<Predicate<'tcx>> {
/// unsoundly accept some programs. See #91068.
#[inline]
pub fn allow_normalization(self) -> bool {
match self.kind().skip_binder() {
PredicateKind::Clause(ClauseKind::WellFormed(_)) | PredicateKind::AliasRelate(..) => {
false
}
PredicateKind::Clause(ClauseKind::Trait(_))
| PredicateKind::Clause(ClauseKind::HostEffect(..))
| PredicateKind::Clause(ClauseKind::RegionOutlives(_))
| PredicateKind::Clause(ClauseKind::TypeOutlives(_))
| PredicateKind::Clause(ClauseKind::Projection(_))
| PredicateKind::Clause(ClauseKind::ConstArgHasType(..))
| PredicateKind::Clause(ClauseKind::UnstableFeature(_))
| PredicateKind::DynCompatible(_)
| PredicateKind::Subtype(_)
| PredicateKind::Coerce(_)
| PredicateKind::Clause(ClauseKind::ConstEvaluatable(_))
| PredicateKind::ConstEquate(_, _)
| PredicateKind::NormalizesTo(..)
| PredicateKind::Ambiguous => true,
}
rustc_type_ir::inherent::Predicate::allow_normalization(self)
}
}
compiler/rustc_type_ir/src/inherent.rs
+22 -3
View File
@@ -13,7 +13,7 @@
use crate::relate::Relate;
use crate::solve::{AdtDestructorKind, SizedTraitKind};
use crate::visit::{Flags, TypeSuperVisitable, TypeVisitable};
use crate::{self as ty, CollectAndApply, Interner, UpcastFrom};
use crate::{self as ty, ClauseKind, CollectAndApply, Interner, PredicateKind, UpcastFrom};
pub trait Ty<I: Interner<Ty = Self>>:
Copy
@@ -478,8 +478,27 @@ fn as_normalizes_to(self) -> Option<ty::Binder<I, ty::NormalizesTo<I>>> {
}
}
// FIXME: Eventually uplift the impl out of rustc and make this defaulted.
fn allow_normalization(self) -> bool;
fn allow_normalization(self) -> bool {
match self.kind().skip_binder() {
PredicateKind::Clause(ClauseKind::WellFormed(_)) | PredicateKind::AliasRelate(..) => {
false
}
PredicateKind::Clause(ClauseKind::Trait(_))
| PredicateKind::Clause(ClauseKind::HostEffect(..))
| PredicateKind::Clause(ClauseKind::RegionOutlives(_))
| PredicateKind::Clause(ClauseKind::TypeOutlives(_))
| PredicateKind::Clause(ClauseKind::Projection(_))
| PredicateKind::Clause(ClauseKind::ConstArgHasType(..))
| PredicateKind::Clause(ClauseKind::UnstableFeature(_))
| PredicateKind::DynCompatible(_)
| PredicateKind::Subtype(_)
| PredicateKind::Coerce(_)
| PredicateKind::Clause(ClauseKind::ConstEvaluatable(_))
| PredicateKind::ConstEquate(_, _)
| PredicateKind::NormalizesTo(..)
| PredicateKind::Ambiguous => true,
}
}
}
pub trait Clause<I: Interner<Clause = Self>>: