diff options
159 files changed, 2165 insertions, 1372 deletions
diff --git a/compiler/rustc_ast_lowering/src/asm.rs b/compiler/rustc_ast_lowering/src/asm.rs index 450cdf246b1..db0d8b08a94 100644 --- a/compiler/rustc_ast_lowering/src/asm.rs +++ b/compiler/rustc_ast_lowering/src/asm.rs @@ -11,7 +11,7 @@ use super::LoweringContext; use rustc_ast::ptr::P; use rustc_ast::*; -use rustc_data_structures::fx::{FxHashMap, FxHashSet}; +use rustc_data_structures::fx::{FxHashMap, FxHashSet, FxIndexMap}; use rustc_hir as hir; use rustc_hir::def::{DefKind, Res}; use rustc_hir::definitions::DefPathData; @@ -71,7 +71,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { .emit(); } - let mut clobber_abis = FxHashMap::default(); + let mut clobber_abis = FxIndexMap::default(); if let Some(asm_arch) = asm_arch { for (abi_name, abi_span) in &asm.clobber_abis { match asm::InlineAsmClobberAbi::parse(asm_arch, &self.tcx.sess.target, *abi_name) { diff --git a/compiler/rustc_ast_lowering/src/expr.rs b/compiler/rustc_ast_lowering/src/expr.rs index e4a59ba5381..eaa5a38388a 100644 --- a/compiler/rustc_ast_lowering/src/expr.rs +++ b/compiler/rustc_ast_lowering/src/expr.rs @@ -643,6 +643,7 @@ impl<'hir> LoweringContext<'_, 'hir> { // `static |_task_context| -> <ret_ty> { body }`: let generator_kind = { let c = self.arena.alloc(hir::Closure { + def_id: self.local_def_id(closure_node_id), binder: hir::ClosureBinder::Default, capture_clause, bound_generic_params: &[], @@ -654,15 +655,40 @@ impl<'hir> LoweringContext<'_, 'hir> { hir::ExprKind::Closure(c) }; - let generator = hir::Expr { - hir_id: self.lower_node_id(closure_node_id), - kind: generator_kind, - span: self.lower_span(span), + let parent_has_track_caller = self + .attrs + .values() + .find(|attrs| attrs.into_iter().find(|attr| attr.has_name(sym::track_caller)).is_some()) + .is_some(); + let unstable_span = + self.mark_span_with_reason(DesugaringKind::Async, span, self.allow_gen_future.clone()); + + let hir_id = if parent_has_track_caller { + let generator_hir_id = self.lower_node_id(closure_node_id); + self.lower_attrs( + generator_hir_id, + &[Attribute { + kind: AttrKind::Normal(ptr::P(NormalAttr { + item: AttrItem { + path: Path::from_ident(Ident::new(sym::track_caller, span)), + args: MacArgs::Empty, + tokens: None, + }, + tokens: None, + })), + id: self.tcx.sess.parse_sess.attr_id_generator.mk_attr_id(), + style: AttrStyle::Outer, + span: unstable_span, + }], + ); + generator_hir_id + } else { + self.lower_node_id(closure_node_id) }; + let generator = hir::Expr { hir_id, kind: generator_kind, span: self.lower_span(span) }; + // `future::from_generator`: - let unstable_span = - self.mark_span_with_reason(DesugaringKind::Async, span, self.allow_gen_future.clone()); let gen_future = self.expr_lang_item_path( unstable_span, hir::LangItem::FromGenerator, @@ -895,6 +921,7 @@ impl<'hir> LoweringContext<'_, 'hir> { let fn_decl = self.lower_fn_decl(decl, None, fn_decl_span, FnDeclKind::Closure, None); let c = self.arena.alloc(hir::Closure { + def_id: self.local_def_id(closure_id), binder: binder_clause, capture_clause, bound_generic_params, @@ -999,6 +1026,7 @@ impl<'hir> LoweringContext<'_, 'hir> { self.lower_fn_decl(&outer_decl, None, fn_decl_span, FnDeclKind::Closure, None); let c = self.arena.alloc(hir::Closure { + def_id: self.local_def_id(closure_id), binder: binder_clause, capture_clause, bound_generic_params, diff --git a/compiler/rustc_ast_lowering/src/index.rs b/compiler/rustc_ast_lowering/src/index.rs index f1851d7b40e..3a0e5f55ec1 100644 --- a/compiler/rustc_ast_lowering/src/index.rs +++ b/compiler/rustc_ast_lowering/src/index.rs @@ -307,8 +307,8 @@ impl<'a, 'hir> Visitor<'hir> for NodeCollector<'a, 'hir> { } fn visit_variant(&mut self, v: &'hir Variant<'hir>) { - self.insert(v.span, v.id, Node::Variant(v)); - self.with_parent(v.id, |this| { + self.insert(v.span, v.hir_id, Node::Variant(v)); + self.with_parent(v.hir_id, |this| { // Register the constructor of this variant. if let Some(ctor_hir_id) = v.data.ctor_hir_id() { this.insert(v.span, ctor_hir_id, Node::Ctor(&v.data)); diff --git a/compiler/rustc_ast_lowering/src/item.rs b/compiler/rustc_ast_lowering/src/item.rs index 18d5e70ecb0..05022c1a14c 100644 --- a/compiler/rustc_ast_lowering/src/item.rs +++ b/compiler/rustc_ast_lowering/src/item.rs @@ -6,7 +6,6 @@ use super::{FnDeclKind, LoweringContext, ParamMode}; use rustc_ast::ptr::P; use rustc_ast::visit::AssocCtxt; use rustc_ast::*; -use rustc_data_structures::fx::FxHashMap; use rustc_data_structures::sorted_map::SortedMap; use rustc_hir as hir; use rustc_hir::def::{DefKind, Res}; @@ -67,7 +66,7 @@ impl<'a, 'hir> ItemLowerer<'a, 'hir> { // HirId handling. bodies: Vec::new(), attrs: SortedMap::default(), - children: FxHashMap::default(), + children: Vec::default(), current_hir_id_owner: hir::CRATE_OWNER_ID, item_local_id_counter: hir::ItemLocalId::new(0), node_id_to_local_id: Default::default(), @@ -86,7 +85,7 @@ impl<'a, 'hir> ItemLowerer<'a, 'hir> { impl_trait_defs: Vec::new(), impl_trait_bounds: Vec::new(), allow_try_trait: Some([sym::try_trait_v2, sym::yeet_desugar_details][..].into()), - allow_gen_future: Some([sym::gen_future][..].into()), + allow_gen_future: Some([sym::gen_future, sym::closure_track_caller][..].into()), allow_into_future: Some([sym::into_future][..].into()), generics_def_id_map: Default::default(), }; @@ -534,12 +533,12 @@ impl<'hir> LoweringContext<'_, 'hir> { for new_node_id in [id1, id2] { let new_id = self.local_def_id(new_node_id); let Some(res) = resolutions.next() else { + debug_assert!(self.children.iter().find(|(id, _)| id == &new_id).is_none()); // Associate an HirId to both ids even if there is no resolution. - let _old = self.children.insert( + self.children.push(( new_id, - hir::MaybeOwner::NonOwner(hir::HirId::make_owner(new_id)), + hir::MaybeOwner::NonOwner(hir::HirId::make_owner(new_id))), ); - debug_assert!(_old.is_none()); continue; }; let ident = *ident; @@ -709,11 +708,12 @@ impl<'hir> LoweringContext<'_, 'hir> { } fn lower_variant(&mut self, v: &Variant) -> hir::Variant<'hir> { - let id = self.lower_node_id(v.id); - self.lower_attrs(id, &v.attrs); + let hir_id = self.lower_node_id(v.id); + self.lower_attrs(hir_id, &v.attrs); hir::Variant { - id, - data: self.lower_variant_data(id, &v.data), + hir_id, + def_id: self.local_def_id(v.id), + data: self.lower_variant_data(hir_id, &v.data), disr_expr: v.disr_expr.as_ref().map(|e| self.lower_anon_const(e)), ident: self.lower_ident(v.ident), span: self.lower_span(v.span), @@ -739,12 +739,13 @@ impl<'hir> LoweringContext<'_, 'hir> { fields.iter().enumerate().map(|f| self.lower_field_def(f)), ), ctor_id, + self.local_def_id(id), ) } VariantData::Unit(id) => { let ctor_id = self.lower_node_id(id); self.alias_attrs(ctor_id, parent_id); - hir::VariantData::Unit(ctor_id) + hir::VariantData::Unit(ctor_id, self.local_def_id(id)) } } } @@ -767,6 +768,7 @@ impl<'hir> LoweringContext<'_, 'hir> { hir::FieldDef { span: self.lower_span(f.span), hir_id, + def_id: self.local_def_id(f.id), ident: match f.ident { Some(ident) => self.lower_ident(ident), // FIXME(jseyfried): positional field hygiene. diff --git a/compiler/rustc_ast_lowering/src/lib.rs b/compiler/rustc_ast_lowering/src/lib.rs index 2ce95d0c185..e1703b0b02b 100644 --- a/compiler/rustc_ast_lowering/src/lib.rs +++ b/compiler/rustc_ast_lowering/src/lib.rs @@ -34,7 +34,6 @@ #![feature(let_chains)] #![feature(never_type)] #![recursion_limit = "256"] -#![allow(rustc::potential_query_instability)] #![deny(rustc::untranslatable_diagnostic)] #![deny(rustc::diagnostic_outside_of_impl)] @@ -107,7 +106,7 @@ struct LoweringContext<'a, 'hir> { /// Attributes inside the owner being lowered. attrs: SortedMap<hir::ItemLocalId, &'hir [Attribute]>, /// Collect items that were created by lowering the current owner. - children: FxHashMap<LocalDefId, hir::MaybeOwner<&'hir hir::OwnerInfo<'hir>>>, + children: Vec<(LocalDefId, hir::MaybeOwner<&'hir hir::OwnerInfo<'hir>>)>, generator_kind: Option<hir::GeneratorKind>, @@ -611,8 +610,8 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { self.impl_trait_defs = current_impl_trait_defs; self.impl_trait_bounds = current_impl_trait_bounds; - let _old = self.children.insert(def_id, hir::MaybeOwner::Owner(info)); - debug_assert!(_old.is_none()) + debug_assert!(self.children.iter().find(|(id, _)| id == &def_id).is_none()); + self.children.push((def_id, hir::MaybeOwner::Owner(info))); } /// Installs the remapping `remap` in scope while `f` is being executed. @@ -719,8 +718,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { assert_ne!(local_id, hir::ItemLocalId::new(0)); if let Some(def_id) = self.opt_local_def_id(ast_node_id) { - // Do not override a `MaybeOwner::Owner` that may already here. - self.children.entry(def_id).or_insert(hir::MaybeOwner::NonOwner(hir_id)); + self.children.push((def_id, hir::MaybeOwner::NonOwner(hir_id))); self.local_id_to_def_id.insert(local_id, def_id); } @@ -830,8 +828,10 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { ), }; let hir_id = self.lower_node_id(node_id); + let def_id = self.local_def_id(node_id); Some(hir::GenericParam { hir_id, + def_id, name, span: self.lower_span(ident.span), pure_wrt_drop: false, @@ -1165,7 +1165,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { let node_id = self.next_node_id(); // Add a definition for the in-band const def. - self.create_def( + let def_id = self.create_def( parent_def_id.def_id, node_id, DefPathData::AnonConst, @@ -1181,6 +1181,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { }; let ct = self.with_new_scopes(|this| hir::AnonConst { + def_id, hir_id: this.lower_node_id(node_id), body: this.lower_const_body(path_expr.span, Some(&path_expr)), }); @@ -1528,6 +1529,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { hir::GenericParam { hir_id, + def_id: lctx.local_def_id(new_node_id), name, span: lifetime.ident.span, pure_wrt_drop: false, @@ -1985,6 +1987,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { hir::GenericParam { hir_id, + def_id: this.local_def_id(new_node_id), name, span: lifetime.ident.span, pure_wrt_drop: false, @@ -2183,6 +2186,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { self.lower_attrs(hir_id, ¶m.attrs); hir::GenericParam { hir_id, + def_id: self.local_def_id(param.id), name, span: self.lower_span(param.span()), pure_wrt_drop: self.tcx.sess.contains_name(¶m.attrs, sym::may_dangle), @@ -2287,6 +2291,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { // Set the name to `impl Bound1 + Bound2`. let param = hir::GenericParam { hir_id: self.lower_node_id(node_id), + def_id, name: ParamName::Plain(self.lower_ident(ident)), pure_wrt_drop: false, span: self.lower_span(span), @@ -2347,6 +2352,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { fn lower_anon_const(&mut self, c: &AnonConst) -> hir::AnonConst { self.with_new_scopes(|this| hir::AnonConst { + def_id: this.local_def_id(c.id), hir_id: this.lower_node_id(c.id), body: this.lower_const_body(c.value.span, Some(&c.value)), }) diff --git a/compiler/rustc_borrowck/src/region_infer/opaque_types.rs b/compiler/rustc_borrowck/src/region_infer/opaque_types.rs index dd222485daf..b2db77944fd 100644 --- a/compiler/rustc_borrowck/src/region_infer/opaque_types.rs +++ b/compiler/rustc_borrowck/src/region_infer/opaque_types.rs @@ -7,9 +7,7 @@ use rustc_infer::infer::{DefiningAnchor, InferCtxt}; use rustc_infer::traits::{Obligation, ObligationCause}; use rustc_middle::ty::subst::{GenericArgKind, InternalSubsts}; use rustc_middle::ty::visit::TypeVisitable; -use rustc_middle::ty::{ - self, OpaqueHiddenType, OpaqueTypeKey, ToPredicate, Ty, TyCtxt, TypeFoldable, -}; +use rustc_middle::ty::{self, OpaqueHiddenType, OpaqueTypeKey, Ty, TyCtxt, TypeFoldable}; use rustc_span::Span; use rustc_trait_selection::traits::error_reporting::TypeErrCtxtExt as _; use rustc_trait_selection::traits::ObligationCtxt; @@ -256,8 +254,7 @@ impl<'tcx> InferCtxtExt<'tcx> for InferCtxt<'tcx> { // Require the hidden type to be well-formed with only the generics of the opaque type. // Defining use functions may have more bounds than the opaque type, which is ok, as long as the // hidden type is well formed even without those bounds. - let predicate = ty::Binder::dummy(ty::PredicateKind::WellFormed(definition_ty.into())) - .to_predicate(infcx.tcx); + let predicate = ty::Binder::dummy(ty::PredicateKind::WellFormed(definition_ty.into())); let id_substs = InternalSubsts::identity_for_item(self.tcx, def_id.to_def_id()); @@ -282,6 +279,7 @@ impl<'tcx> InferCtxtExt<'tcx> for InferCtxt<'tcx> { } ocx.register_obligation(Obligation::misc( + infcx.tcx, instantiated_ty.span, body_id, param_env, diff --git a/compiler/rustc_borrowck/src/type_check/canonical.rs b/compiler/rustc_borrowck/src/type_check/canonical.rs index a581726a15c..d0cf8622a44 100644 --- a/compiler/rustc_borrowck/src/type_check/canonical.rs +++ b/compiler/rustc_borrowck/src/type_check/canonical.rs @@ -92,8 +92,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { trait_ref, constness: ty::BoundConstness::NotConst, polarity: ty::ImplPolarity::Positive, - })) - .to_predicate(self.tcx()), + })), locations, category, ); @@ -122,14 +121,13 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { pub(super) fn prove_predicates( &mut self, - predicates: impl IntoIterator<Item = impl ToPredicate<'tcx>>, + predicates: impl IntoIterator< + Item = impl ToPredicate<'tcx, ty::Predicate<'tcx>> + std::fmt::Debug, + >, locations: Locations, category: ConstraintCategory<'tcx>, ) { for predicate in predicates { - let predicate = predicate.to_predicate(self.tcx()); - debug!("prove_predicates(predicate={:?}, locations={:?})", predicate, locations,); - self.prove_predicate(predicate, locations, category); } } @@ -137,11 +135,12 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { #[instrument(skip(self), level = "debug")] pub(super) fn prove_predicate( &mut self, - predicate: ty::Predicate<'tcx>, + predicate: impl ToPredicate<'tcx, ty::Predicate<'tcx>> + std::fmt::Debug, locations: Locations, category: ConstraintCategory<'tcx>, ) { let param_env = self.param_env; + let predicate = predicate.to_predicate(self.tcx()); self.fully_perform_op( locations, category, diff --git a/compiler/rustc_borrowck/src/type_check/input_output.rs b/compiler/rustc_borrowck/src/type_check/input_output.rs index a66ddd27dbb..62c6f958137 100644 --- a/compiler/rustc_borrowck/src/type_check/input_output.rs +++ b/compiler/rustc_borrowck/src/type_check/input_output.rs @@ -42,8 +42,8 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { user_provided_sig = None; } else { let typeck_results = self.tcx().typeck(mir_def_id); - user_provided_sig = typeck_results.user_provided_sigs.get(&mir_def_id.to_def_id()).map( - |user_provided_poly_sig| { + user_provided_sig = + typeck_results.user_provided_sigs.get(&mir_def_id).map(|user_provided_poly_sig| { // Instantiate the canonicalized variables from // user-provided signature (e.g., the `_` in the code // above) with fresh variables. @@ -60,8 +60,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { LateBoundRegionConversionTime::FnCall, poly_sig, ) - }, - ); + }); } debug!(?normalized_input_tys, ?body.local_decls); diff --git a/compiler/rustc_borrowck/src/type_check/mod.rs b/compiler/rustc_borrowck/src/type_check/mod.rs index 6ccc29b09c0..7d36a63943c 100644 --- a/compiler/rustc_borrowck/src/type_check/mod.rs +++ b/compiler/rustc_borrowck/src/type_check/mod.rs @@ -33,8 +33,7 @@ use rustc_middle::ty::subst::{SubstsRef, UserSubsts}; use rustc_middle::ty::visit::TypeVisitable; use rustc_middle::ty::{ self, Binder, CanonicalUserTypeAnnotation, CanonicalUserTypeAnnotations, Dynamic, - OpaqueHiddenType, OpaqueTypeKey, RegionVid, ToPredicate, Ty, TyCtxt, UserType, - UserTypeAnnotationIndex, + OpaqueHiddenType, OpaqueTypeKey, RegionVid, Ty, TyCtxt, UserType, UserTypeAnnotationIndex, }; use rustc_span::def_id::CRATE_DEF_ID; use rustc_span::{Span, DUMMY_SP}; @@ -1069,8 +1068,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { } self.prove_predicate( - ty::Binder::dummy(ty::PredicateKind::WellFormed(inferred_ty.into())) - .to_predicate(self.tcx()), + ty::Binder::dummy(ty::PredicateKind::WellFormed(inferred_ty.into())), Locations::All(span), ConstraintCategory::TypeAnnotation, ); diff --git a/compiler/rustc_codegen_gcc/src/builder.rs b/compiler/rustc_codegen_gcc/src/builder.rs index a314b7cc215..782f6856654 100644 --- a/compiler/rustc_codegen_gcc/src/builder.rs +++ b/compiler/rustc_codegen_gcc/src/builder.rs @@ -755,11 +755,11 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> { OperandRef { val, layout: place.layout } } - fn write_operand_repeatedly(mut self, cg_elem: OperandRef<'tcx, RValue<'gcc>>, count: u64, dest: PlaceRef<'tcx, RValue<'gcc>>) -> Self { + fn write_operand_repeatedly(&mut self, cg_elem: OperandRef<'tcx, RValue<'gcc>>, count: u64, dest: PlaceRef<'tcx, RValue<'gcc>>) { let zero = self.const_usize(0); let count = self.const_usize(count); - let start = dest.project_index(&mut self, zero).llval; - let end = dest.project_index(&mut self, count).llval; + let start = dest.project_index(self, zero).llval; + let end = dest.project_index(self, count).llval; let header_bb = self.append_sibling_block("repeat_loop_header"); let body_bb = self.append_sibling_block("repeat_loop_body"); @@ -778,14 +778,13 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> { self.switch_to_block(body_bb); let align = dest.align.restrict_for_offset(dest.layout.field(self.cx(), 0).size); - cg_elem.val.store(&mut self, PlaceRef::new_sized_aligned(current_val, cg_elem.layout, align)); + cg_elem.val.store(self, PlaceRef::new_sized_aligned(current_val, cg_elem.layout, align)); let next = self.inbounds_gep(self.backend_type(cg_elem.layout), current.to_rvalue(), &[self.const_usize(1)]); self.llbb().add_assignment(None, current, next); self.br(header_bb); self.switch_to_block(next_bb); - self } fn range_metadata(&mut self, _load: RValue<'gcc>, _range: WrappingRange) { diff --git a/compiler/rustc_codegen_llvm/src/builder.rs b/compiler/rustc_codegen_llvm/src/builder.rs index 9cb36ce7f18..77dd15ef4d8 100644 --- a/compiler/rustc_codegen_llvm/src/builder.rs +++ b/compiler/rustc_codegen_llvm/src/builder.rs @@ -556,15 +556,15 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> { } fn write_operand_repeatedly( - mut self, + &mut self, cg_elem: OperandRef<'tcx, &'ll Value>, count: u64, dest: PlaceRef<'tcx, &'ll Value>, - ) -> Self { + ) { let zero = self.const_usize(0); let count = self.const_usize(count); - let start = dest.project_index(&mut self, zero).llval; - let end = dest.project_index(&mut self, count).llval; + let start = dest.project_index(self, zero).llval; + let end = dest.project_index(self, count).llval; let header_bb = self.append_sibling_block("repeat_loop_header"); let body_bb = self.append_sibling_block("repeat_loop_body"); @@ -592,7 +592,7 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> { body_bx.br(header_bb); header_bx.add_incoming_to_phi(current, next, body_bb); - Self::build(self.cx, next_bb) + *self = Self::build(self.cx, next_bb); } fn range_metadata(&mut self, load: &'ll Value, range: WrappingRange) { diff --git a/compiler/rustc_codegen_ssa/src/lib.rs b/compiler/rustc_codegen_ssa/src/lib.rs index ceebe4d417f..ade33b6c777 100644 --- a/compiler/rustc_codegen_ssa/src/lib.rs +++ b/compiler/rustc_codegen_ssa/src/lib.rs @@ -1,12 +1,13 @@ #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] -#![feature(box_patterns)] -#![feature(try_blocks)] -#![feature(once_cell)] #![feature(associated_type_bounds)] -#![feature(strict_provenance)] -#![feature(int_roundings)] +#![feature(box_patterns)] #![feature(if_let_guard)] +#![feature(int_roundings)] +#![feature(let_chains)] #![feature(never_type)] +#![feature(once_cell)] +#![feature(strict_provenance)] +#![feature(try_blocks)] #![recursion_limit = "256"] #![allow(rustc::potential_query_instability)] diff --git a/compiler/rustc_codegen_ssa/src/mir/block.rs b/compiler/rustc_codegen_ssa/src/mir/block.rs index 0802067cde6..7822d924c01 100644 --- a/compiler/rustc_codegen_ssa/src/mir/block.rs +++ b/compiler/rustc_codegen_ssa/src/mir/block.rs @@ -1,7 +1,7 @@ use super::operand::OperandRef; use super::operand::OperandValue::{Immediate, Pair, Ref}; use super::place::PlaceRef; -use super::{FunctionCx, LocalRef}; +use super::{CachedLlbb, FunctionCx, LocalRef}; use crate::base; use crate::common::{self, IntPredicate}; @@ -25,6 +25,15 @@ use rustc_target::abi::call::{ArgAbi, FnAbi, PassMode, Reg}; use rustc_target::abi::{self, HasDataLayout, WrappingRange}; use rustc_target::spec::abi::Abi; +// Indicates if we are in the middle of merging a BB's successor into it. This +// can happen when BB jumps directly to its successor and the successor has no +// other predecessors. +#[derive(Debug, PartialEq)] +enum MergingSucc { + False, + True, +} + /// Used by `FunctionCx::codegen_terminator` for emitting common patterns /// e.g., creating a basic block, calling a function, etc. struct TerminatorCodegenHelper<'tcx> { @@ -64,31 +73,6 @@ impl<'a, 'tcx> TerminatorCodegenHelper<'tcx> { } } - /// Get a basic block (creating it if necessary), possibly with a landing - /// pad next to it. - fn llbb_with_landing_pad<Bx: BuilderMethods<'a, 'tcx>>( - &self, - fx: &mut FunctionCx<'a, 'tcx, Bx>, - target: mir::BasicBlock, - ) -> (Bx::BasicBlock, bool) { - let span = self.terminator.source_info.span; - let lltarget = fx.llbb(target); - let target_funclet = fx.cleanup_kinds[target].funclet_bb(target); - match (self.funclet_bb, target_funclet) { - (None, None) => (lltarget, false), - // jump *into* cleanup - need a landing pad if GNU, cleanup pad if MSVC - (None, Some(_)) => (fx.landing_pad_for(target), false), - (Some(_), None) => span_bug!(span, "{:?} - jump out of cleanup?", self.terminator), - (Some(f), Some(t_f)) => { - if f == t_f || !base::wants_msvc_seh(fx.cx.tcx().sess) { - (lltarget, false) - } else { - (fx.landing_pad_for(target), true) - } - } - } - } - /// Get a basic block (creating it if necessary), possibly with cleanup /// stuff in it or next to it. fn llbb_with_cleanup<Bx: BuilderMethods<'a, 'tcx>>( @@ -96,7 +80,11 @@ impl<'a, 'tcx> TerminatorCodegenHelper<'tcx> { fx: &mut FunctionCx<'a, 'tcx, Bx>, target: mir::BasicBlock, ) -> Bx::BasicBlock { - let (lltarget, is_cleanupret) = self.llbb_with_landing_pad(fx, target); + let (needs_landing_pad, is_cleanupret) = self.llbb_characteristics(fx, target); + let mut lltarget = fx.llbb(target); + if needs_landing_pad { + lltarget = fx.landing_pad_for(target); + } if is_cleanupret { // MSVC cross-funclet jump - need a trampoline debug_assert!(base::wants_msvc_seh(fx.cx.tcx().sess)); @@ -111,20 +99,54 @@ impl<'a, 'tcx> TerminatorCodegenHelper<'tcx> { } } + fn llbb_characteristics<Bx: BuilderMethods<'a, 'tcx>>( + &self, + fx: &mut FunctionCx<'a, 'tcx, Bx>, + target: mir::BasicBlock, + ) -> (bool, bool) { + let target_funclet = fx.cleanup_kinds[target].funclet_bb(target); + let (needs_landing_pad, is_cleanupret) = match (self.funclet_bb, target_funclet) { + (None, None) => (false, false), + (None, Some(_)) => (true, false), + (Some(_), None) => { + let span = self.terminator.source_info.span; + span_bug!(span, "{:?} - jump out of cleanup?", self.terminator); + } + (Some(f), Some(t_f)) => { + if f == t_f || !base::wants_msvc_seh(fx.cx.tcx().sess) { + (false, false) + } else { + (true, true) + } + } + }; + (needs_landing_pad, is_cleanupret) + } + fn funclet_br<Bx: BuilderMethods<'a, 'tcx>>( &self, fx: &mut FunctionCx<'a, 'tcx, Bx>, bx: &mut Bx, target: mir::BasicBlock, - ) { - let (lltarget, is_cleanupret) = self.llbb_with_landing_pad(fx, target); - if is_cleanupret { - // MSVC micro-optimization: generate a `ret` rather than a jump - // to a trampoline. - debug_assert!(base::wants_msvc_seh(fx.cx.tcx().sess)); - bx.cleanup_ret(self.funclet(fx).unwrap(), Some(lltarget)); + mergeable_succ: bool, + ) -> MergingSucc { + let (needs_landing_pad, is_cleanupret) = self.llbb_characteristics(fx, target); + if mergeable_succ && !needs_landing_pad && !is_cleanupret { + // We can merge the successor into this bb, so no need for a `br`. + MergingSucc::True } else { - bx.br(lltarget); + let mut lltarget = fx.llbb(target); + if needs_landing_pad { + lltarget = fx.landing_pad_for(target); + } + if is_cleanupret { + // micro-optimization: generate a `ret` rather than a jump + // to a trampoline. + bx.cleanup_ret(self.funclet(fx).unwrap(), Some(lltarget)); + } else { + bx.br(lltarget); + } + MergingSucc::False } } @@ -140,7 +162,8 @@ impl<'a, 'tcx> TerminatorCodegenHelper<'tcx> { destination: Option<(ReturnDest<'tcx, Bx::Value>, mir::BasicBlock)>, cleanup: Option<mir::BasicBlock>, copied_constant_arguments: &[PlaceRef<'tcx, <Bx as BackendTypes>::Value>], - ) { + mergeable_succ: bool, + ) -> MergingSucc { // If there is a cleanup block and the function we're calling can unwind, then // do an invoke, otherwise do a call. let fn_ty = bx.fn_decl_backend_type(&fn_abi); @@ -191,6 +214,7 @@ impl<'a, 'tcx> TerminatorCodegenHelper<'tcx> { } fx.store_return(bx, ret_dest, &fn_abi.ret, invokeret); } + MergingSucc::False } else { let llret = bx.call(fn_ty, Some(&fn_abi), fn_ptr, &llargs, self.funclet(fx)); if fx.mir[self.bb].is_cleanup { @@ -206,9 +230,10 @@ impl<'a, 'tcx> TerminatorCodegenHelper<'tcx> { bx.lifetime_end(tmp.llval, tmp.layout.size); } fx.store_return(bx, ret_dest, &fn_abi.ret, llret); - self.funclet_br(fx, bx, target); + self.funclet_br(fx, bx, target, mergeable_succ) } else { bx.unreachable(); + MergingSucc::False } } } @@ -225,7 +250,8 @@ impl<'a, 'tcx> TerminatorCodegenHelper<'tcx> { destination: Option<mir::BasicBlock>, cleanup: Option<mir::BasicBlock>, instance: Instance<'_>, - ) { + mergeable_succ: bool, + ) -> MergingSucc { if let Some(cleanup) = cleanup { let ret_llbb = if let Some(target) = destination { fx.llbb(target) @@ -241,13 +267,15 @@ impl<'a, 'tcx> TerminatorCodegenHelper<'tcx> { instance, Some((ret_llbb, self.llbb_with_cleanup(fx, cleanup), self.funclet(fx))), ); + MergingSucc::False } else { bx.codegen_inline_asm(template, &operands, options, line_spans, instance, None); if let Some(target) = destination { - self.funclet_br(fx, bx, target); + self.funclet_br(fx, bx, target, mergeable_succ) } else { bx.unreachable(); + MergingSucc::False } } } @@ -256,16 +284,16 @@ impl<'a, 'tcx> TerminatorCodegenHelper<'tcx> { /// Codegen implementations for some terminator variants. impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { /// Generates code for a `Resume` terminator. - fn codegen_resume_terminator(&mut self, helper: TerminatorCodegenHelper<'tcx>, mut bx: Bx) { + fn codegen_resume_terminator(&mut self, helper: TerminatorCodegenHelper<'tcx>, bx: &mut Bx) { if let Some(funclet) = helper.funclet(self) { bx.cleanup_ret(funclet, None); } else { - let slot = self.get_personality_slot(&mut bx); - let lp0 = slot.project_field(&mut bx, 0); + let slot = self.get_personality_slot(bx); + let lp0 = slot.project_field(bx, 0); let lp0 = bx.load_operand(lp0).immediate(); - let lp1 = slot.project_field(&mut bx, 1); + let lp1 = slot.project_field(bx, 1); let lp1 = bx.load_operand(lp1).immediate(); - slot.storage_dead(&mut bx); + slot.storage_dead(bx); let mut lp = bx.const_undef(self.landing_pad_type()); lp = bx.insert_value(lp, lp0, 0); @@ -277,12 +305,12 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { fn codegen_switchint_terminator( &mut self, helper: TerminatorCodegenHelper<'tcx>, - mut bx: Bx, + bx: &mut Bx, discr: &mir::Operand<'tcx>, switch_ty: Ty<'tcx>, targets: &SwitchTargets, ) { - let discr = self.codegen_operand(&mut bx, &discr); + let discr = self.codegen_operand(bx, &discr); // `switch_ty` is redundant, sanity-check that. assert_eq!(discr.layout.ty, switch_ty); let mut target_iter = targets.iter(); @@ -338,7 +366,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { } } - fn codegen_return_terminator(&mut self, mut bx: Bx) { + fn codegen_return_terminator(&mut self, bx: &mut Bx) { // Call `va_end` if this is the definition of a C-variadic function. if self.fn_abi.c_variadic { // The `VaList` "spoofed" argument is just after all the real arguments. @@ -368,11 +396,11 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { } PassMode::Direct(_) | PassMode::Pair(..) => { - let op = self.codegen_consume(&mut bx, mir::Place::return_place().as_ref()); + let op = self.codegen_consume(bx, mir::Place::return_place().as_ref()); if let Ref(llval, _, align) = op.val { bx.load(bx.backend_type(op.layout), llval, align) } else { - op.immediate_or_packed_pair(&mut bx) + op.immediate_or_packed_pair(bx) } } @@ -388,8 +416,8 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { }; let llslot = match op.val { Immediate(_) | Pair(..) => { - let scratch = PlaceRef::alloca(&mut bx, self.fn_abi.ret.layout); - op.val.store(&mut bx, scratch); + let scratch = PlaceRef::alloca(bx, self.fn_abi.ret.layout); + op.val.store(bx, scratch); scratch.llval } Ref(llval, _, align) => { @@ -409,22 +437,22 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { fn codegen_drop_terminator( &mut self, helper: TerminatorCodegenHelper<'tcx>, - mut bx: Bx, + bx: &mut Bx, location: mir::Place<'tcx>, target: mir::BasicBlock, unwind: Option<mir::BasicBlock>, - ) { + mergeable_succ: bool, + ) -> MergingSucc { let ty = location.ty(self.mir, bx.tcx()).ty; let ty = self.monomorphize(ty); let drop_fn = Instance::resolve_drop_in_place(bx.tcx(), ty); if let ty::InstanceDef::DropGlue(_, None) = drop_fn.def { // we don't actually need to drop anything. - helper.funclet_br(self, &mut bx, target); - return; + return helper.funclet_br(self, bx, target, mergeable_succ); } - let place = self.codegen_place(&mut bx, location.as_ref()); + let place = self.codegen_place(bx, location.as_ref()); let (args1, args2); let mut args = if let Some(llextra) = place.llextra { args2 = [place.llval, llextra]; @@ -462,7 +490,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { args = &args[..1]; ( meth::VirtualIndex::from_index(ty::COMMON_VTABLE_ENTRIES_DROPINPLACE) - .get_fn(&mut bx, vtable, ty, &fn_abi), + .get_fn(bx, vtable, ty, &fn_abi), fn_abi, ) } @@ -507,7 +535,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { debug!("args' = {:?}", args); ( meth::VirtualIndex::from_index(ty::COMMON_VTABLE_ENTRIES_DROPINPLACE) - .get_fn(&mut bx, vtable, ty, &fn_abi), + .get_fn(bx, vtable, ty, &fn_abi), fn_abi, ) } @@ -515,29 +543,31 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { }; helper.do_call( self, - &mut bx, + bx, fn_abi, drop_fn, args, Some((ReturnDest::Nothing, target)), unwind, &[], - ); + mergeable_succ, + ) } fn codegen_assert_terminator( &mut self, helper: TerminatorCodegenHelper<'tcx>, - mut bx: Bx, + bx: &mut Bx, terminator: &mir::Terminator<'tcx>, cond: &mir::Operand<'tcx>, expected: bool, msg: &mir::AssertMessage<'tcx>, target: mir::BasicBlock, cleanup: Option<mir::BasicBlock>, - ) { + mergeable_succ: bool, + ) -> MergingSucc { let span = terminator.source_info.span; - let cond = self.codegen_operand(&mut bx, cond).immediate(); + let cond = self.codegen_operand(bx, cond).immediate(); let mut const_cond = bx.const_to_opt_u128(cond, false).map(|c| c == 1); // This case can currently arise only from functions marked @@ -555,8 +585,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { // Don't codegen the panic block if success if known. if const_cond == Some(expected) { - helper.funclet_br(self, &mut bx, target); - return; + return helper.funclet_br(self, bx, target, mergeable_succ); } // Pass the condition through llvm.expect for branch hinting. @@ -573,16 +602,16 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { // After this point, bx is the block for the call to panic. bx.switch_to_block(panic_block); - self.set_debug_loc(&mut bx, terminator.source_info); + self.set_debug_loc(bx, terminator.source_info); // Get the location information. - let location = self.get_caller_location(&mut bx, terminator.source_info).immediate(); + let location = self.get_caller_location(bx, terminator.source_info).immediate(); // Put together the arguments to the panic entry point. let (lang_item, args) = match msg { AssertKind::BoundsCheck { ref len, ref index } => { - let len = self.codegen_operand(&mut bx, len).immediate(); - let index = self.codegen_operand(&mut bx, index).immediate(); + let len = self.codegen_operand(bx, len).immediate(); + let index = self.codegen_operand(bx, index).immediate(); // It's `fn panic_bounds_check(index: usize, len: usize)`, // and `#[track_caller]` adds an implicit third argument. (LangItem::PanicBoundsCheck, vec![index, len, location]) @@ -595,29 +624,32 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { } }; - let (fn_abi, llfn) = common::build_langcall(&bx, Some(span), lang_item); + let (fn_abi, llfn) = common::build_langcall(bx, Some(span), lang_item); // Codegen the actual panic invoke/call. - helper.do_call(self, &mut bx, fn_abi, llfn, &args, None, cleanup, &[]); + let merging_succ = helper.do_call(self, bx, fn_abi, llfn, &args, None, cleanup, &[], false); + assert_eq!(merging_succ, MergingSucc::False); + MergingSucc::False } fn codegen_abort_terminator( &mut self, helper: TerminatorCodegenHelper<'tcx>, - mut bx: Bx, + bx: &mut Bx, terminator: &mir::Terminator<'tcx>, ) { let span = terminator.source_info.span; - self.set_debug_loc(&mut bx, terminator.source_info); + self.set_debug_loc(bx, terminator.source_info); // Obtain the panic entry point. - let (fn_abi, llfn) = common::build_langcall(&bx, Some(span), LangItem::PanicNoUnwind); + let (fn_abi, llfn) = common::build_langcall(bx, Some(span), LangItem::PanicNoUnwind); // Codegen the actual panic invoke/call. - helper.do_call(self, &mut bx, fn_abi, llfn, &[], None, None, &[]); + let merging_succ = helper.do_call(self, bx, fn_abi, llfn, &[], None, None, &[], false); + assert_eq!(merging_succ, MergingSucc::False); } - /// Returns `true` if this is indeed a panic intrinsic and codegen is done. + /// Returns `Some` if this is indeed a panic intrinsic and codegen is done. fn codegen_panic_intrinsic( &mut self, helper: &TerminatorCodegenHelper<'tcx>, @@ -627,7 +659,8 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { source_info: mir::SourceInfo, target: Option<mir::BasicBlock>, cleanup: Option<mir::BasicBlock>, - ) -> bool { + mergeable_succ: bool, + ) -> Option<MergingSucc> { // Emit a panic or a no-op for `assert_*` intrinsics. // These are intrinsics that compile to panics so that we can get a message // which mentions the offending type, even from a const context. @@ -653,7 +686,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { ZeroValid => !bx.tcx().permits_zero_init(layout), UninitValid => !bx.tcx().permits_uninit_init(layout), }; - if do_panic { + Some(if do_panic { let msg_str = with_no_visible_paths!({ with_no_trimmed_paths!({ if layout.abi.is_uninhabited() { @@ -686,22 +719,22 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { target.as_ref().map(|bb| (ReturnDest::Nothing, *bb)), cleanup, &[], - ); + mergeable_succ, + ) } else { // a NOP let target = target.unwrap(); - helper.funclet_br(self, bx, target) - } - true + helper.funclet_br(self, bx, target, mergeable_succ) + }) } else { - false + None } } fn codegen_call_terminator( &mut self, helper: TerminatorCodegenHelper<'tcx>, - mut bx: Bx, + bx: &mut Bx, terminator: &mir::Terminator<'tcx>, func: &mir::Operand<'tcx>, args: &[mir::Operand<'tcx>], @@ -709,12 +742,13 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { target: Option<mir::BasicBlock>, cleanup: Option<mir::BasicBlock>, fn_span: Span, - ) { + mergeable_succ: bool, + ) -> MergingSucc { let source_info = terminator.source_info; let span = source_info.span; // Create the callee. This is a fn ptr or zero-sized and hence a kind of scalar. - let callee = self.codegen_operand(&mut bx, func); + let callee = self.codegen_operand(bx, func); let (instance, mut llfn) = match *callee.layout.ty.kind() { ty::FnDef(def_id, substs) => ( @@ -734,8 +768,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { if let Some(ty::InstanceDef::DropGlue(_, None)) = def { // Empty drop glue; a no-op. let target = target.unwrap(); - helper.funclet_br(self, &mut bx, target); - return; + return helper.funclet_br(self, bx, target, mergeable_succ); } // FIXME(eddyb) avoid computing this if possible, when `instance` is @@ -762,9 +795,9 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { }; if intrinsic == Some(sym::transmute) { - if let Some(target) = target { - self.codegen_transmute(&mut bx, &args[0], destination); - helper.funclet_br(self, &mut bx, target); + return if let Some(target) = target { + self.codegen_transmute(bx, &args[0], destination); + helper.funclet_br(self, bx, target, mergeable_succ) } else { // If we are trying to transmute to an uninhabited type, // it is likely there is no allotted destination. In fact, @@ -774,20 +807,21 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { // it must be unreachable. assert_eq!(fn_abi.ret.layout.abi, abi::Abi::Uninhabited); bx.unreachable(); - } - return; + MergingSucc::False + }; } - if self.codegen_panic_intrinsic( + if let Some(merging_succ) = self.codegen_panic_intrinsic( &helper, - &mut bx, + bx, intrinsic, instance, source_info, target, cleanup, + mergeable_succ, ) { - return; + return merging_succ; } // The arguments we'll be passing. Plus one to account for outptr, if used. @@ -797,23 +831,24 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { // Prepare the return value destination let ret_dest = if target.is_some() { let is_intrinsic = intrinsic.is_some(); - self.make_return_dest(&mut bx, destination, &fn_abi.ret, &mut llargs, is_intrinsic) + self.make_return_dest(bx, destination, &fn_abi.ret, &mut llargs, is_intrinsic) } else { ReturnDest::Nothing }; if intrinsic == Some(sym::caller_location) { - if let Some(target) = target { - let location = self - .get_caller_location(&mut bx, mir::SourceInfo { span: fn_span, ..source_info }); + return if let Some(target) = target { + let location = + self.get_caller_location(bx, mir::SourceInfo { span: fn_span, ..source_info }); if let ReturnDest::IndirectOperand(tmp, _) = ret_dest { - location.val.store(&mut bx, tmp); + location.val.store(bx, tmp); } - self.store_return(&mut bx, ret_dest, &fn_abi.ret, location.immediate()); - helper.funclet_br(self, &mut bx, target); - } - return; + self.store_return(bx, ret_dest, &fn_abi.ret, location.immediate()); + helper.funclet_br(self, bx, target, mergeable_succ) + } else { + MergingSucc::False + }; } match intrinsic { @@ -857,12 +892,12 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { } } - self.codegen_operand(&mut bx, arg) + self.codegen_operand(bx, arg) }) .collect(); Self::codegen_intrinsic_call( - &mut bx, + bx, *instance.as_ref().unwrap(), &fn_abi, &args, @@ -871,16 +906,15 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { ); if let ReturnDest::IndirectOperand(dst, _) = ret_dest { - self.store_return(&mut bx, ret_dest, &fn_abi.ret, dst.llval); + self.store_return(bx, ret_dest, &fn_abi.ret, dst.llval); } - if let Some(target) = target { - helper.funclet_br(self, &mut bx, target); + return if let Some(target) = target { + helper.funclet_br(self, bx, target, mergeable_succ) } else { bx.unreachable(); - } - - return; + MergingSucc::False + }; } } @@ -894,7 +928,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { let mut copied_constant_arguments = vec![]; 'make_args: for (i, arg) in first_args.iter().enumerate() { - let mut op = self.codegen_operand(&mut bx, arg); + let mut op = self.codegen_operand(bx, arg); if let (0, Some(ty::InstanceDef::Virtual(_, idx))) = (i, def) { match op.val { @@ -909,7 +943,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { && !op.layout.ty.is_region_ptr() { for i in 0..op.layout.fields.count() { - let field = op.extract_field(&mut bx, i); + let field = op.extract_field(bx, i); if !field.layout.is_zst() { // we found the one non-zero-sized field that is allowed // now find *its* non-zero-sized field, or stop if it's a @@ -926,7 +960,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { // data pointer and vtable. Look up the method in the vtable, and pass // the data pointer as the first argument llfn = Some(meth::VirtualIndex::from_index(idx).get_fn( - &mut bx, + bx, meta, op.layout.ty, &fn_abi, @@ -937,7 +971,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { Ref(data_ptr, Some(meta), _) => { // by-value dynamic dispatch llfn = Some(meth::VirtualIndex::from_index(idx).get_fn( - &mut bx, + bx, meta, op.layout.ty, &fn_abi, @@ -954,11 +988,11 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { } // FIXME(dyn-star): Make sure this is done on a &dyn* receiver let place = op.deref(bx.cx()); - let data_ptr = place.project_field(&mut bx, 0); - let meta_ptr = place.project_field(&mut bx, 1); + let data_ptr = place.project_field(bx, 0); + let meta_ptr = place.project_field(bx, 1); let meta = bx.load_operand(meta_ptr); llfn = Some(meth::VirtualIndex::from_index(idx).get_fn( - &mut bx, + bx, meta.immediate(), op.layout.ty, &fn_abi, @@ -977,24 +1011,19 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { match (arg, op.val) { (&mir::Operand::Copy(_), Ref(_, None, _)) | (&mir::Operand::Constant(_), Ref(_, None, _)) => { - let tmp = PlaceRef::alloca(&mut bx, op.layout); + let tmp = PlaceRef::alloca(bx, op.layout); bx.lifetime_start(tmp.llval, tmp.layout.size); - op.val.store(&mut bx, tmp); + op.val.store(bx, tmp); op.val = Ref(tmp.llval, None, tmp.align); copied_constant_arguments.push(tmp); } _ => {} } - self.codegen_argument(&mut bx, op, &mut llargs, &fn_abi.args[i]); + self.codegen_argument(bx, op, &mut llargs, &fn_abi.args[i]); } let num_untupled = untuple.map(|tup| { - self.codegen_arguments_untupled( - &mut bx, - tup, - &mut llargs, - &fn_abi.args[first_args.len()..], - ) + self.codegen_arguments_untupled(bx, tup, &mut llargs, &fn_abi.args[first_args.len()..]) }); let needs_location = @@ -1014,14 +1043,14 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { fn_abi, ); let location = - self.get_caller_location(&mut bx, mir::SourceInfo { span: fn_span, ..source_info }); + self.get_caller_location(bx, mir::SourceInfo { span: fn_span, ..source_info }); debug!( "codegen_call_terminator({:?}): location={:?} (fn_span {:?})", terminator, location, fn_span ); let last_arg = fn_abi.args.last().unwrap(); - self.codegen_argument(&mut bx, location, &mut llargs, last_arg); + self.codegen_argument(bx, location, &mut llargs, last_arg); } let (is_indirect_call, fn_ptr) = match (llfn, instance) { @@ -1046,40 +1075,43 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { bx.cond_br(cond, bb_pass, bb_fail); bx.switch_to_block(bb_pass); - helper.do_call( + let merging_succ = helper.do_call( self, - &mut bx, + bx, fn_abi, fn_ptr, &llargs, target.as_ref().map(|&target| (ret_dest, target)), cleanup, &copied_constant_arguments, + false, ); + assert_eq!(merging_succ, MergingSucc::False); bx.switch_to_block(bb_fail); bx.abort(); bx.unreachable(); - return; + return MergingSucc::False; } helper.do_call( self, - &mut bx, + bx, fn_abi, fn_ptr, &llargs, target.as_ref().map(|&target| (ret_dest, target)), cleanup, &copied_constant_arguments, - ); + mergeable_succ, + ) } fn codegen_asm_terminator( &mut self, helper: TerminatorCodegenHelper<'tcx>, - mut bx: Bx, + bx: &mut Bx, terminator: &mir::Terminator<'tcx>, template: &[ast::InlineAsmTemplatePiece], operands: &[mir::InlineAsmOperand<'tcx>], @@ -1088,24 +1120,25 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { destination: Option<mir::BasicBlock>, cleanup: Option<mir::BasicBlock>, instance: Instance<'_>, - ) { + mergeable_succ: bool, + ) -> MergingSucc { let span = terminator.source_info.span; let operands: Vec<_> = operands .iter() .map(|op| match *op { mir::InlineAsmOperand::In { reg, ref value } => { - let value = self.codegen_operand(&mut bx, value); + let value = self.codegen_operand(bx, value); InlineAsmOperandRef::In { reg, value } } mir::InlineAsmOperand::Out { reg, late, ref place } => { - let place = place.map(|place| self.codegen_place(&mut bx, place.as_ref())); + let place = place.map(|place| self.codegen_place(bx, place.as_ref())); InlineAsmOperandRef::Out { reg, late, place } } mir::InlineAsmOperand::InOut { reg, late, ref in_value, ref out_place } => { - let in_value = self.codegen_operand(&mut bx, in_value); + let in_value = self.codegen_operand(bx, in_value); let out_place = - out_place.map(|out_place| self.codegen_place(&mut bx, out_place.as_ref())); + out_place.map(|out_place| self.codegen_place(bx, out_place.as_ref())); InlineAsmOperandRef::InOut { reg, late, in_value, out_place } } mir::InlineAsmOperand::Const { ref value } => { @@ -1143,7 +1176,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { helper.do_inlineasm( self, - &mut bx, + bx, template, &operands, options, @@ -1151,71 +1184,128 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { destination, cleanup, instance, - ); + mergeable_succ, + ) } } impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { - pub fn codegen_block(&mut self, bb: mir::BasicBlock) { - let llbb = self.llbb(bb); - let mut bx = Bx::build(self.cx, llbb); + pub fn codegen_block(&mut self, mut bb: mir::BasicBlock) { + let llbb = match self.try_llbb(bb) { + Some(llbb) => llbb, + None => return, + }; + let bx = &mut Bx::build(self.cx, llbb); let mir = self.mir; - let data = &mir[bb]; - debug!("codegen_block({:?}={:?})", bb, data); + // MIR basic blocks stop at any function call. This may not be the case + // for the backend's basic blocks, in which case we might be able to + // combine multiple MIR basic blocks into a single backend basic block. + loop { + let data = &mir[bb]; - for statement in &data.statements { - bx = self.codegen_statement(bx, statement); - } + debug!("codegen_block({:?}={:?})", bb, data); + + for statement in &data.statements { + self.codegen_statement(bx, statement); + } - self.codegen_terminator(bx, bb, data.terminator()); + let merging_succ = self.codegen_terminator(bx, bb, data.terminator()); + if let MergingSucc::False = merging_succ { + break; + } + + // We are merging the successor into the produced backend basic + // block. Record that the successor should be skipped when it is + // reached. + // + // Note: we must not have already generated code for the successor. + // This is implicitly ensured by the reverse postorder traversal, + // and the assertion explicitly guarantees that. + let mut successors = data.terminator().successors(); + let succ = successors.next().unwrap(); + assert!(matches!(self.cached_llbbs[succ], CachedLlbb::None)); + self.cached_llbbs[succ] = CachedLlbb::Skip; + bb = succ; + } } fn codegen_terminator( &mut self, - mut bx: Bx, + bx: &mut Bx, bb: mir::BasicBlock, terminator: &'tcx mir::Terminator<'tcx>, - ) { + ) -> MergingSucc { debug!("codegen_terminator: {:?}", terminator); // Create the cleanup bundle, if needed. let funclet_bb = self.cleanup_kinds[bb].funclet_bb(bb); let helper = TerminatorCodegenHelper { bb, terminator, funclet_bb }; - self.set_debug_loc(&mut bx, terminator.source_info); + let mergeable_succ = || { + // Note: any call to `switch_to_block` will invalidate a `true` value + // of `mergeable_succ`. + let mut successors = terminator.successors(); + if let Some(succ) = successors.next() + && successors.next().is_none() + && let &[succ_pred] = self.mir.basic_blocks.predecessors()[succ].as_slice() + { + // bb has a single successor, and bb is its only predecessor. This + // makes it a candidate for merging. + assert_eq!(succ_pred, bb); + true + } else { + false + } + }; + + self.set_debug_loc(bx, terminator.source_info); match terminator.kind { - mir::TerminatorKind::Resume => self.codegen_resume_terminator(helper, bx), + mir::TerminatorKind::Resume => { + self.codegen_resume_terminator(helper, bx); + MergingSucc::False + } mir::TerminatorKind::Abort => { self.codegen_abort_terminator(helper, bx, terminator); + MergingSucc::False } mir::TerminatorKind::Goto { target } => { - helper.funclet_br(self, &mut bx, target); + helper.funclet_br(self, bx, target, mergeable_succ()) } mir::TerminatorKind::SwitchInt { ref discr, switch_ty, ref targets } => { self.codegen_switchint_terminator(helper, bx, discr, switch_ty, targets); + MergingSucc::False } mir::TerminatorKind::Return => { self.codegen_return_terminator(bx); + MergingSucc::False } mir::TerminatorKind::Unreachable => { bx.unreachable(); + MergingSucc::False } mir::TerminatorKind::Drop { place, target, unwind } => { - self.codegen_drop_terminator(helper, bx, place, target, unwind); + self.codegen_drop_terminator(helper, bx, place, target, unwind, mergeable_succ()) } - mir::TerminatorKind::Assert { ref cond, expected, ref msg, target, cleanup } => { - self.codegen_assert_terminator( - helper, bx, terminator, cond, expected, msg, target, cleanup, - ); - } + mir::TerminatorKind::Assert { ref cond, expected, ref msg, target, cleanup } => self + .codegen_assert_terminator( + helper, + bx, + terminator, + cond, + expected, + msg, + target, + cleanup, + mergeable_succ(), + ), mir::TerminatorKind::DropAndReplace { .. } => { bug!("undesugared DropAndReplace in codegen: {:?}", terminator); @@ -1229,19 +1319,18 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { cleanup, from_hir_call: _, fn_span, - } => { - self.codegen_call_terminator( - helper, - bx, - terminator, - func, - args, - destination, - target, - cleanup, - fn_span, - ); - } + } => self.codegen_call_terminator( + helper, + bx, + terminator, + func, + args, + destination, + target, + cleanup, + fn_span, + mergeable_succ(), + ), mir::TerminatorKind::GeneratorDrop | mir::TerminatorKind::Yield { .. } => { bug!("generator ops in codegen") } @@ -1256,20 +1345,19 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { line_spans, destination, cleanup, - } => { - self.codegen_asm_terminator( - helper, - bx, - terminator, - template, - operands, - options, - line_spans, - destination, - cleanup, - self.instance, - ); - } + } => self.codegen_asm_terminator( + helper, + bx, + terminator, + template, + operands, + options, + line_spans, + destination, + cleanup, + self.instance, + mergeable_succ(), + ), } } @@ -1587,12 +1675,21 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { // FIXME(eddyb) rename `llbb` and other `ll`-prefixed things to use a // more backend-agnostic prefix such as `cg` (i.e. this would be `cgbb`). pub fn llbb(&mut self, bb: mir::BasicBlock) -> Bx::BasicBlock { - self.cached_llbbs[bb].unwrap_or_else(|| { - // FIXME(eddyb) only name the block if `fewer_names` is `false`. - let llbb = Bx::append_block(self.cx, self.llfn, &format!("{:?}", bb)); - self.cached_llbbs[bb] = Some(llbb); - llbb - }) + self.try_llbb(bb).unwrap() + } + + /// Like `llbb`, but may fail if the basic block should be skipped. + pub fn try_llbb(&mut self, bb: mir::BasicBlock) -> Option<Bx::BasicBlock> { + match self.cached_llbbs[bb] { + CachedLlbb::None => { + // FIXME(eddyb) only name the block if `fewer_names` is `false`. + let llbb = Bx::append_block(self.cx, self.llfn, &format!("{:?}", bb)); + self.cached_llbbs[bb] = CachedLlbb::Some(llbb); + Some(llbb) + } + CachedLlbb::Some(llbb) => Some(llbb), + CachedLlbb::Skip => None, + } } fn make_return_dest( diff --git a/compiler/rustc_codegen_ssa/src/mir/mod.rs b/compiler/rustc_codegen_ssa/src/mir/mod.rs index f4a300ef2c5..79c66a955e7 100644 --- a/compiler/rustc_codegen_ssa/src/mir/mod.rs +++ b/compiler/rustc_codegen_ssa/src/mir/mod.rs @@ -16,6 +16,18 @@ use rustc_middle::mir::traversal; use self::operand::{OperandRef, OperandValue}; +// Used for tracking the state of generated basic blocks. +enum CachedLlbb<T> { + /// Nothing created yet. + None, + + /// Has been created. + Some(T), + + /// Nothing created yet, and nothing should be. + Skip, +} + /// Master context for codegenning from MIR. pub struct FunctionCx<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> { instance: Instance<'tcx>, @@ -43,7 +55,7 @@ pub struct FunctionCx<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> { /// as-needed (e.g. RPO reaching it or another block branching to it). // FIXME(eddyb) rename `llbbs` and other `ll`-prefixed things to use a // more backend-agnostic prefix such as `cg` (i.e. this would be `cgbbs`). - cached_llbbs: IndexVec<mir::BasicBlock, Option<Bx::BasicBlock>>, + cached_llbbs: IndexVec<mir::BasicBlock, CachedLlbb<Bx::BasicBlock>>, /// The funclet status of each basic block cleanup_kinds: IndexVec<mir::BasicBlock, analyze::CleanupKind>, @@ -155,11 +167,13 @@ pub fn codegen_mir<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>( } let cleanup_kinds = analyze::cleanup_kinds(&mir); - let cached_llbbs: IndexVec<mir::BasicBlock, Option<Bx::BasicBlock>> = mir - .basic_blocks - .indices() - .map(|bb| if bb == mir::START_BLOCK { Some(start_llbb) } else { None }) - .collect(); + let cached_llbbs: IndexVec<mir::BasicBlock, CachedLlbb<Bx::BasicBlock>> = + mir.basic_blocks + .indices() + .map(|bb| { + if bb == mir::START_BLOCK { CachedLlbb::Some(start_llbb) } else { CachedLlbb::None } + }) + .collect(); let mut fx = FunctionCx { instance, diff --git a/compiler/rustc_codegen_ssa/src/mir/rvalue.rs b/compiler/rustc_codegen_ssa/src/mir/rvalue.rs index 4aab31fbfe7..9ad96f7a447 100644 --- a/compiler/rustc_codegen_ssa/src/mir/rvalue.rs +++ b/compiler/rustc_codegen_ssa/src/mir/rvalue.rs @@ -18,17 +18,16 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { #[instrument(level = "trace", skip(self, bx))] pub fn codegen_rvalue( &mut self, - mut bx: Bx, + bx: &mut Bx, dest: PlaceRef<'tcx, Bx::Value>, rvalue: &mir::Rvalue<'tcx>, - ) -> Bx { + ) { match *rvalue { mir::Rvalue::Use(ref operand) => { - let cg_operand = self.codegen_operand(&mut bx, operand); + let cg_operand = self.codegen_operand(bx, operand); // FIXME: consider not copying constants through stack. (Fixable by codegen'ing // constants into `OperandValue::Ref`; why don’t we do that yet if we don’t?) - cg_operand.val.store(&mut bx, dest); - bx + cg_operand.val.store(bx, dest); } mir::Rvalue::Cast(mir::CastKind::Pointer(PointerCast::Unsize), ref source, _) => { @@ -37,16 +36,16 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { if bx.cx().is_backend_scalar_pair(dest.layout) { // Into-coerce of a thin pointer to a fat pointer -- just // use the operand path. - let (mut bx, temp) = self.codegen_rvalue_operand(bx, rvalue); - temp.val.store(&mut bx, dest); - return bx; + let temp = self.codegen_rvalue_operand(bx, rvalue); + temp.val.store(bx, dest); + return; } // Unsize of a nontrivial struct. I would prefer for // this to be eliminated by MIR building, but // `CoerceUnsized` can be passed by a where-clause, // so the (generic) MIR may not be able to expand it. - let operand = self.codegen_operand(&mut bx, source); + let operand = self.codegen_operand(bx, source); match operand.val { OperandValue::Pair(..) | OperandValue::Immediate(_) => { // Unsize from an immediate structure. We don't @@ -56,63 +55,62 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { // index into the struct, and this case isn't // important enough for it. debug!("codegen_rvalue: creating ugly alloca"); - let scratch = PlaceRef::alloca(&mut bx, operand.layout); - scratch.storage_live(&mut bx); - operand.val.store(&mut bx, scratch); - base::coerce_unsized_into(&mut bx, scratch, dest); - scratch.storage_dead(&mut bx); + let scratch = PlaceRef::alloca(bx, operand.layout); + scratch.storage_live(bx); + operand.val.store(bx, scratch); + base::coerce_unsized_into(bx, scratch, dest); + scratch.storage_dead(bx); } OperandValue::Ref(llref, None, align) => { let source = PlaceRef::new_sized_aligned(llref, operand.layout, align); - base::coerce_unsized_into(&mut bx, source, dest); + base::coerce_unsized_into(bx, source, dest); } OperandValue::Ref(_, Some(_), _) => { bug!("unsized coercion on an unsized rvalue"); } } - bx } mir::Rvalue::Repeat(ref elem, count) => { - let cg_elem = self.codegen_operand(&mut bx, elem); + let cg_elem = self.codegen_operand(bx, elem); // Do not generate the loop for zero-sized elements or empty arrays. if dest.layout.is_zst() { - return bx; + return; } if let OperandValue::Immediate(v) = cg_elem.val { let zero = bx.const_usize(0); - let start = dest.project_index(&mut bx, zero).llval; + let start = dest.project_index(bx, zero).llval; let size = bx.const_usize(dest.layout.size.bytes()); // Use llvm.memset.p0i8.* to initialize all zero arrays if bx.cx().const_to_opt_u128(v, false) == Some(0) { let fill = bx.cx().const_u8(0); bx.memset(start, fill, size, dest.align, MemFlags::empty()); - return bx; + return; } // Use llvm.memset.p0i8.* to initialize byte arrays let v = bx.from_immediate(v); if bx.cx().val_ty(v) == bx.cx().type_i8() { bx.memset(start, v, size, dest.align, MemFlags::empty()); - return bx; + return; } } let count = self.monomorphize(count).eval_usize(bx.cx().tcx(), ty::ParamEnv::reveal_all()); - bx.write_operand_repeatedly(cg_elem, count, dest) + bx.write_operand_repeatedly(cg_elem, count, dest); } mir::Rvalue::Aggregate(ref kind, ref operands) => { let (dest, active_field_index) = match **kind { mir::AggregateKind::Adt(adt_did, variant_index, _, _, active_field_index) => { - dest.codegen_set_discr(&mut bx, variant_index); + dest.codegen_set_discr(bx, variant_index); if bx.tcx().adt_def(adt_did).is_enum() { - (dest.project_downcast(&mut bx, variant_index), active_field_index) + (dest.project_downcast(bx, variant_index), active_field_index) } else { (dest, active_field_index) } @@ -120,37 +118,35 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { _ => (dest, None), }; for (i, operand) in operands.iter().enumerate() { - let op = self.codegen_operand(&mut bx, operand); + let op = self.codegen_operand(bx, operand); // Do not generate stores and GEPis for zero-sized fields. if !op.layout.is_zst() { let field_index = active_field_index.unwrap_or(i); let field = if let mir::AggregateKind::Array(_) = **kind { let llindex = bx.cx().const_usize(field_index as u64); - dest.project_index(&mut bx, llindex) + dest.project_index(bx, llindex) } else { - dest.project_field(&mut bx, field_index) + dest.project_field(bx, field_index) }; - op.val.store(&mut bx, field); + op.val.store(bx, field); } } - bx } _ => { assert!(self.rvalue_creates_operand(rvalue, DUMMY_SP)); - let (mut bx, temp) = self.codegen_rvalue_operand(bx, rvalue); - temp.val.store(&mut bx, dest); - bx + let temp = self.codegen_rvalue_operand(bx, rvalue); + temp.val.store(bx, dest); } } } pub fn codegen_rvalue_unsized( &mut self, - mut bx: Bx, + bx: &mut Bx, indirect_dest: PlaceRef<'tcx, Bx::Value>, rvalue: &mir::Rvalue<'tcx>, - ) -> Bx { + ) { debug!( "codegen_rvalue_unsized(indirect_dest.llval={:?}, rvalue={:?})", indirect_dest.llval, rvalue @@ -158,9 +154,8 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { match *rvalue { mir::Rvalue::Use(ref operand) => { - let cg_operand = self.codegen_operand(&mut bx, operand); - cg_operand.val.store_unsized(&mut bx, indirect_dest); - bx + let cg_operand = self.codegen_operand(bx, operand); + cg_operand.val.store_unsized(bx, indirect_dest); } _ => bug!("unsized assignment other than `Rvalue::Use`"), @@ -169,9 +164,9 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { pub fn codegen_rvalue_operand( &mut self, - mut bx: Bx, + bx: &mut Bx, rvalue: &mir::Rvalue<'tcx>, - ) -> (Bx, OperandRef<'tcx, Bx::Value>) { + ) -> OperandRef<'tcx, Bx::Value> { assert!( self.rvalue_creates_operand(rvalue, DUMMY_SP), "cannot codegen {:?} to operand", @@ -180,7 +175,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { match *rvalue { mir::Rvalue::Cast(ref kind, ref source, mir_cast_ty) => { - let operand = self.codegen_operand(&mut bx, source); + let operand = self.codegen_operand(bx, source); debug!("cast operand is {:?}", operand); let cast = bx.cx().layout_of(self.monomorphize(mir_cast_ty)); @@ -245,7 +240,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { } }; let (lldata, llextra) = - base::unsize_ptr(&mut bx, lldata, operand.layout.ty, cast.ty, llextra); + base::unsize_ptr(bx, lldata, operand.layout.ty, cast.ty, llextra); OperandValue::Pair(lldata, llextra) } mir::CastKind::Pointer(PointerCast::MutToConstPointer) @@ -278,7 +273,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { OperandValue::Pair(v, l) => (v, Some(l)), }; let (lldata, llextra) = - base::cast_to_dyn_star(&mut bx, lldata, operand.layout, cast.ty, llextra); + base::cast_to_dyn_star(bx, lldata, operand.layout, cast.ty, llextra); OperandValue::Pair(lldata, llextra) } mir::CastKind::Pointer( @@ -299,7 +294,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { let ll_t_out = bx.cx().immediate_backend_type(cast); if operand.layout.abi.is_uninhabited() { let val = OperandValue::Immediate(bx.cx().const_undef(ll_t_out)); - return (bx, OperandRef { val, layout: cast }); + return OperandRef { val, layout: cast }; } let r_t_in = CastTy::from_ty(operand.layout.ty).expect("bad input type for cast"); @@ -348,7 +343,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { OperandValue::Immediate(newval) } }; - (bx, OperandRef { val, layout: cast }) + OperandRef { val, layout: cast } } mir::Rvalue::Ref(_, bk, place) => { @@ -361,10 +356,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { self.codegen_place_to_pointer(bx, place, mk_ref) } - mir::Rvalue::CopyForDeref(place) => { - let operand = self.codegen_operand(&mut bx, &Operand::Copy(place)); - (bx, operand) - } + mir::Rvalue::CopyForDeref(place) => self.codegen_operand(bx, &Operand::Copy(place)), mir::Rvalue::AddressOf(mutability, place) => { let mk_ptr = move |tcx: TyCtxt<'tcx>, ty: Ty<'tcx>| { tcx.mk_ptr(ty::TypeAndMut { ty, mutbl: mutability }) @@ -373,23 +365,22 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { } mir::Rvalue::Len(place) => { - let size = self.evaluate_array_len(&mut bx, place); - let operand = OperandRef { + let size = self.evaluate_array_len(bx, place); + OperandRef { val: OperandValue::Immediate(size), layout: bx.cx().layout_of(bx.tcx().types.usize), - }; - (bx, operand) + } } mir::Rvalue::BinaryOp(op, box (ref lhs, ref rhs)) => { - let lhs = self.codegen_operand(&mut bx, lhs); - let rhs = self.codegen_operand(&mut bx, rhs); + let lhs = self.codegen_operand(bx, lhs); + let rhs = self.codegen_operand(bx, rhs); let llresult = match (lhs.val, rhs.val) { ( OperandValue::Pair(lhs_addr, lhs_extra), OperandValue::Pair(rhs_addr, rhs_extra), ) => self.codegen_fat_ptr_binop( - &mut bx, + bx, op, lhs_addr, lhs_extra, @@ -399,22 +390,21 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { ), (OperandValue::Immediate(lhs_val), OperandValue::Immediate(rhs_val)) => { - self.codegen_scalar_binop(&mut bx, op, lhs_val, rhs_val, lhs.layout.ty) + self.codegen_scalar_binop(bx, op, lhs_val, rhs_val, lhs.layout.ty) } _ => bug!(), }; - let operand = OperandRef { + OperandRef { val: OperandValue::Immediate(llresult), layout: bx.cx().layout_of(op.ty(bx.tcx(), lhs.layout.ty, rhs.layout.ty)), - }; - (bx, operand) + } } mir::Rvalue::CheckedBinaryOp(op, box (ref lhs, ref rhs)) => { - let lhs = self.codegen_operand(&mut bx, lhs); - let rhs = self.codegen_operand(&mut bx, rhs); + let lhs = self.codegen_operand(bx, lhs); + let rhs = self.codegen_operand(bx, rhs); let result = self.codegen_scalar_checked_binop( - &mut bx, + bx, op, lhs.immediate(), rhs.immediate(), @@ -422,13 +412,11 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { ); let val_ty = op.ty(bx.tcx(), lhs.layout.ty, rhs.layout.ty); let operand_ty = bx.tcx().intern_tup(&[val_ty, bx.tcx().types.bool]); - let operand = OperandRef { val: result, layout: bx.cx().layout_of(operand_ty) }; - - (bx, operand) + OperandRef { val: result, layout: bx.cx().layout_of(operand_ty) } } mir::Rvalue::UnaryOp(op, ref operand) => { - let operand = self.codegen_operand(&mut bx, operand); + let operand = self.codegen_operand(bx, operand); let lloperand = operand.immediate(); let is_float = operand.layout.ty.is_floating_point(); let llval = match op { @@ -441,22 +429,17 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { } } }; - (bx, OperandRef { val: OperandValue::Immediate(llval), layout: operand.layout }) + OperandRef { val: OperandValue::Immediate(llval), layout: operand.layout } } mir::Rvalue::Discriminant(ref place) => { let discr_ty = rvalue.ty(self.mir, bx.tcx()); let discr_ty = self.monomorphize(discr_ty); - let discr = self - .codegen_place(&mut bx, place.as_ref()) - .codegen_get_discr(&mut bx, discr_ty); - ( - bx, - OperandRef { - val: OperandValue::Immediate(discr), - layout: self.cx.layout_of(discr_ty), - }, - ) + let discr = self.codegen_place(bx, place.as_ref()).codegen_get_discr(bx, discr_ty); + OperandRef { + val: OperandValue::Immediate(discr), + layout: self.cx.layout_of(discr_ty), + } } mir::Rvalue::NullaryOp(null_op, ty) => { @@ -469,36 +452,27 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { }; let val = bx.cx().const_usize(val); let tcx = self.cx.tcx(); - ( - bx, - OperandRef { - val: OperandValue::Immediate(val), - layout: self.cx.layout_of(tcx.types.usize), - }, - ) + OperandRef { + val: OperandValue::Immediate(val), + layout: self.cx.layout_of(tcx.types.usize), + } } mir::Rvalue::ThreadLocalRef(def_id) => { assert!(bx.cx().tcx().is_static(def_id)); let static_ = bx.get_static(def_id); let layout = bx.layout_of(bx.cx().tcx().static_ptr_ty(def_id)); - let operand = OperandRef::from_immediate_or_packed_pair(&mut bx, static_, layout); - (bx, operand) - } - mir::Rvalue::Use(ref operand) => { - let operand = self.codegen_operand(&mut bx, operand); - (bx, operand) + OperandRef::from_immediate_or_packed_pair(bx, static_, layout) } + mir::Rvalue::Use(ref operand) => self.codegen_operand(bx, operand), mir::Rvalue::Repeat(..) | mir::Rvalue::Aggregate(..) => { // According to `rvalue_creates_operand`, only ZST // aggregate rvalues are allowed to be operands. let ty = rvalue.ty(self.mir, self.cx.tcx()); - let operand = - OperandRef::new_zst(&mut bx, self.cx.layout_of(self.monomorphize(ty))); - (bx, operand) + OperandRef::new_zst(bx, self.cx.layout_of(self.monomorphize(ty))) } mir::Rvalue::ShallowInitBox(ref operand, content_ty) => { - let operand = self.codegen_operand(&mut bx, operand); + let operand = self.codegen_operand(bx, operand); let lloperand = operand.immediate(); let content_ty = self.monomorphize(content_ty); @@ -506,8 +480,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { let llty_ptr = bx.cx().backend_type(box_layout); let val = bx.pointercast(lloperand, llty_ptr); - let operand = OperandRef { val: OperandValue::Immediate(val), layout: box_layout }; - (bx, operand) + OperandRef { val: OperandValue::Immediate(val), layout: box_layout } } } } @@ -531,11 +504,11 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { /// Codegen an `Rvalue::AddressOf` or `Rvalue::Ref` fn codegen_place_to_pointer( &mut self, - mut bx: Bx, + bx: &mut Bx, place: mir::Place<'tcx>, mk_ptr_ty: impl FnOnce(TyCtxt<'tcx>, Ty<'tcx>) -> Ty<'tcx>, - ) -> (Bx, OperandRef<'tcx, Bx::Value>) { - let cg_place = self.codegen_place(&mut bx, place.as_ref()); + ) -> OperandRef<'tcx, Bx::Value> { + let cg_place = self.codegen_place(bx, place.as_ref()); let ty = cg_place.layout.ty; @@ -546,7 +519,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { } else { OperandValue::Pair(cg_place.llval, cg_place.llextra.unwrap()) }; - (bx, OperandRef { val, layout: self.cx.layout_of(mk_ptr_ty(self.cx.tcx(), ty)) }) + OperandRef { val, layout: self.cx.layout_of(mk_ptr_ty(self.cx.tcx(), ty)) } } pub fn codegen_scalar_binop( diff --git a/compiler/rustc_codegen_ssa/src/mir/statement.rs b/compiler/rustc_codegen_ssa/src/mir/statement.rs index 1db0fb3a6f1..19452c8cdc8 100644 --- a/compiler/rustc_codegen_ssa/src/mir/statement.rs +++ b/compiler/rustc_codegen_ssa/src/mir/statement.rs @@ -8,8 +8,8 @@ use crate::traits::*; impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { #[instrument(level = "debug", skip(self, bx))] - pub fn codegen_statement(&mut self, mut bx: Bx, statement: &mir::Statement<'tcx>) -> Bx { - self.set_debug_loc(&mut bx, statement.source_info); + pub fn codegen_statement(&mut self, bx: &mut Bx, statement: &mir::Statement<'tcx>) { + self.set_debug_loc(bx, statement.source_info); match statement.kind { mir::StatementKind::Assign(box (ref place, ref rvalue)) => { if let Some(index) = place.as_local() { @@ -19,10 +19,9 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { self.codegen_rvalue_unsized(bx, cg_indirect_dest, rvalue) } LocalRef::Operand(None) => { - let (mut bx, operand) = self.codegen_rvalue_operand(bx, rvalue); + let operand = self.codegen_rvalue_operand(bx, rvalue); self.locals[index] = LocalRef::Operand(Some(operand)); - self.debug_introduce_local(&mut bx, index); - bx + self.debug_introduce_local(bx, index); } LocalRef::Operand(Some(op)) => { if !op.layout.is_zst() { @@ -35,59 +34,52 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { // If the type is zero-sized, it's already been set here, // but we still need to make sure we codegen the operand - self.codegen_rvalue_operand(bx, rvalue).0 + self.codegen_rvalue_operand(bx, rvalue); } } } else { - let cg_dest = self.codegen_place(&mut bx, place.as_ref()); - self.codegen_rvalue(bx, cg_dest, rvalue) + let cg_dest = self.codegen_place(bx, place.as_ref()); + self.codegen_rvalue(bx, cg_dest, rvalue); } } mir::StatementKind::SetDiscriminant { box ref place, variant_index } => { - self.codegen_place(&mut bx, place.as_ref()) - .codegen_set_discr(&mut bx, variant_index); - bx + self.codegen_place(bx, place.as_ref()).codegen_set_discr(bx, variant_index); } mir::StatementKind::Deinit(..) => { // For now, don't codegen this to anything. In the future it may be worth // experimenting with what kind of information we can emit to LLVM without hurting // perf here - bx } mir::StatementKind::StorageLive(local) => { if let LocalRef::Place(cg_place) = self.locals[local] { - cg_place.storage_live(&mut bx); + cg_place.storage_live(bx); } else if let LocalRef::UnsizedPlace(cg_indirect_place) = self.locals[local] { - cg_indirect_place.storage_live(&mut bx); + cg_indirect_place.storage_live(bx); } - bx } mir::StatementKind::StorageDead(local) => { if let LocalRef::Place(cg_place) = self.locals[local] { - cg_place.storage_dead(&mut bx); + cg_place.storage_dead(bx); } else if let LocalRef::UnsizedPlace(cg_indirect_place) = self.locals[local] { - cg_indirect_place.storage_dead(&mut bx); + cg_indirect_place.storage_dead(bx); } - bx } mir::StatementKind::Coverage(box ref coverage) => { - self.codegen_coverage(&mut bx, coverage.clone(), statement.source_info.scope); - bx + self.codegen_coverage(bx, coverage.clone(), statement.source_info.scope); } mir::StatementKind::Intrinsic(box NonDivergingIntrinsic::Assume(ref op)) => { - let op_val = self.codegen_operand(&mut bx, op); + let op_val = self.codegen_operand(bx, op); bx.assume(op_val.immediate()); - bx } mir::StatementKind::Intrinsic(box NonDivergingIntrinsic::CopyNonOverlapping( mir::CopyNonOverlapping { ref count, ref src, ref dst }, )) => { - let dst_val = self.codegen_operand(&mut bx, dst); - let src_val = self.codegen_operand(&mut bx, src); - let count = self.codegen_operand(&mut bx, count).immediate(); + let dst_val = self.codegen_operand(bx, dst); + let src_val = self.codegen_operand(bx, src); + let count = self.codegen_operand(bx, count).immediate(); let pointee_layout = dst_val .layout - .pointee_info_at(&bx, rustc_target::abi::Size::ZERO) + .pointee_info_at(bx, rustc_target::abi::Size::ZERO) .expect("Expected pointer"); let bytes = bx.mul(count, bx.const_usize(pointee_layout.size.bytes())); @@ -95,12 +87,11 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { let dst = dst_val.immediate(); let src = src_val.immediate(); bx.memcpy(dst, align, src, align, bytes, crate::MemFlags::empty()); - bx } mir::StatementKind::FakeRead(..) | mir::StatementKind::Retag { .. } | mir::StatementKind::AscribeUserType(..) - | mir::StatementKind::Nop => bx, + | mir::StatementKind::Nop => {} } } } diff --git a/compiler/rustc_codegen_ssa/src/mono_item.rs b/compiler/rustc_codegen_ssa/src/mono_item.rs index 5006a2157fc..27da33581a1 100644 --- a/compiler/rustc_codegen_ssa/src/mono_item.rs +++ b/compiler/rustc_codegen_ssa/src/mono_item.rs @@ -40,12 +40,12 @@ impl<'a, 'tcx: 'a> MonoItemExt<'a, 'tcx> for MonoItem<'tcx> { .iter() .map(|(op, op_sp)| match *op { hir::InlineAsmOperand::Const { ref anon_const } => { - let anon_const_def_id = - cx.tcx().hir().local_def_id(anon_const.hir_id).to_def_id(); - let const_value = - cx.tcx().const_eval_poly(anon_const_def_id).unwrap_or_else( - |_| span_bug!(*op_sp, "asm const cannot be resolved"), - ); + let const_value = cx + .tcx() + .const_eval_poly(anon_const.def_id.to_def_id()) + .unwrap_or_else(|_| { + span_bug!(*op_sp, "asm const cannot be resolved") + }); let ty = cx .tcx() .typeck_body(anon_const.body) diff --git a/compiler/rustc_codegen_ssa/src/traits/builder.rs b/compiler/rustc_codegen_ssa/src/traits/builder.rs index 01408f39fb3..bc679a5dc87 100644 --- a/compiler/rustc_codegen_ssa/src/traits/builder.rs +++ b/compiler/rustc_codegen_ssa/src/traits/builder.rs @@ -151,11 +151,11 @@ pub trait BuilderMethods<'a, 'tcx>: /// Called for Rvalue::Repeat when the elem is neither a ZST nor optimizable using memset. fn write_operand_repeatedly( - self, + &mut self, elem: OperandRef<'tcx, Self::Value>, count: u64, dest: PlaceRef<'tcx, Self::Value>, - ) -> Self; + ); fn range_metadata(&mut self, load: Self::Value, range: WrappingRange); fn nonnull_metadata(&mut self, load: Self::Value); diff --git a/compiler/rustc_const_eval/src/transform/check_consts/check.rs b/compiler/rustc_const_eval/src/transform/check_consts/check.rs index 5a8b3e30b9f..36956f5dd6d 100644 --- a/compiler/rustc_const_eval/src/transform/check_consts/check.rs +++ b/compiler/rustc_const_eval/src/transform/check_consts/check.rs @@ -732,7 +732,7 @@ impl<'tcx> Visitor<'tcx> for Checker<'_, 'tcx> { polarity: ty::ImplPolarity::Positive, }); let obligation = - Obligation::new(ObligationCause::dummy(), param_env, poly_trait_pred); + Obligation::new(tcx, ObligationCause::dummy(), param_env, poly_trait_pred); let implsrc = { let infcx = tcx.infer_ctxt().build(); @@ -816,6 +816,7 @@ impl<'tcx> Visitor<'tcx> for Checker<'_, 'tcx> { if !nonconst_call_permission { let obligation = Obligation::new( + tcx, ObligationCause::dummy_with_span(*fn_span), param_env, tcx.mk_predicate( diff --git a/compiler/rustc_const_eval/src/transform/check_consts/ops.rs b/compiler/rustc_const_eval/src/transform/check_consts/ops.rs index b28d7019491..2d4afd0dc35 100644 --- a/compiler/rustc_const_eval/src/transform/check_consts/ops.rs +++ b/compiler/rustc_const_eval/src/transform/check_consts/ops.rs @@ -147,6 +147,7 @@ impl<'tcx> NonConstOp<'tcx> for FnCallNonConst<'tcx> { } Adt(..) => { let obligation = Obligation::new( + tcx, ObligationCause::dummy(), param_env, Binder::dummy(TraitPredicate { diff --git a/compiler/rustc_const_eval/src/transform/check_consts/qualifs.rs b/compiler/rustc_const_eval/src/transform/check_consts/qualifs.rs index d995d533ca3..6fd12985170 100644 --- a/compiler/rustc_const_eval/src/transform/check_consts/qualifs.rs +++ b/compiler/rustc_const_eval/src/transform/check_consts/qualifs.rs @@ -156,6 +156,7 @@ impl Qualif for NeedsNonConstDrop { let destruct = cx.tcx.require_lang_item(LangItem::Destruct, None); let obligation = Obligation::new( + cx.tcx, ObligationCause::dummy(), cx.param_env, ty::Binder::dummy(ty::TraitPredicate { @@ -351,7 +352,11 @@ where // FIXME(valtrees): check whether const qualifs should behave the same // way for type and mir constants. let uneval = match constant.literal { - ConstantKind::Ty(ct) if matches!(ct.kind(), ty::ConstKind::Param(_)) => None, + ConstantKind::Ty(ct) + if matches!(ct.kind(), ty::ConstKind::Param(_) | ty::ConstKind::Error(_)) => + { + None + } ConstantKind::Ty(c) => bug!("expected ConstKind::Param here, found {:?}", c), ConstantKind::Unevaluated(uv, _) => Some(uv), ConstantKind::Val(..) => None, diff --git a/compiler/rustc_hir/src/hir.rs b/compiler/rustc_hir/src/hir.rs index 82e260d158b..7d8b859a6b4 100644 --- a/compiler/rustc_hir/src/hir.rs +++ b/compiler/rustc_hir/src/hir.rs @@ -487,6 +487,7 @@ pub enum GenericParamKind<'hir> { #[derive(Debug, HashStable_Generic)] pub struct GenericParam<'hir> { pub hir_id: HirId, + pub def_id: LocalDefId, pub name: ParamName, pub span: Span, pub pure_wrt_drop: bool, @@ -921,6 +922,7 @@ pub struct Crate<'hir> { #[derive(Debug, HashStable_Generic)] pub struct Closure<'hir> { + pub def_id: LocalDefId, pub binder: ClosureBinder, pub capture_clause: CaptureBy, pub bound_generic_params: &'hir [GenericParam<'hir>], @@ -1615,7 +1617,7 @@ pub enum ArrayLen { impl ArrayLen { pub fn hir_id(&self) -> HirId { match self { - &ArrayLen::Infer(hir_id, _) | &ArrayLen::Body(AnonConst { hir_id, body: _ }) => hir_id, + &ArrayLen::Infer(hir_id, _) | &ArrayLen::Body(AnonConst { hir_id, .. }) => hir_id, } } } @@ -1627,10 +1629,11 @@ impl ArrayLen { /// explicit discriminant values for enum variants. /// /// You can check if this anon const is a default in a const param -/// `const N: usize = { ... }` with `tcx.hir().opt_const_param_default_param_hir_id(..)` +/// `const N: usize = { ... }` with `tcx.hir().opt_const_param_default_param_def_id(..)` #[derive(Copy, Clone, PartialEq, Eq, Encodable, Debug, HashStable_Generic)] pub struct AnonConst { pub hir_id: HirId, + pub def_id: LocalDefId, pub body: BodyId, } @@ -2798,7 +2801,8 @@ pub struct Variant<'hir> { /// Name of the variant. pub ident: Ident, /// Id of the variant (not the constructor, see `VariantData::ctor_hir_id()`). - pub id: HirId, + pub hir_id: HirId, + pub def_id: LocalDefId, /// Fields and constructor id of the variant. pub data: VariantData<'hir>, /// Explicit discriminant (e.g., `Foo = 1`). @@ -2865,6 +2869,7 @@ pub struct FieldDef<'hir> { pub vis_span: Span, pub ident: Ident, pub hir_id: HirId, + pub def_id: LocalDefId, pub ty: &'hir Ty<'hir>, } @@ -2886,11 +2891,11 @@ pub enum VariantData<'hir> { /// A tuple variant. /// /// E.g., `Bar(..)` as in `enum Foo { Bar(..) }`. - Tuple(&'hir [FieldDef<'hir>], HirId), + Tuple(&'hir [FieldDef<'hir>], HirId, LocalDefId), /// A unit variant. /// /// E.g., `Bar = ..` as in `enum Foo { Bar = .. }`. - Unit(HirId), + Unit(HirId, LocalDefId), } impl<'hir> VariantData<'hir> { @@ -2902,11 +2907,19 @@ impl<'hir> VariantData<'hir> { } } + /// Return the `LocalDefId` of this variant's constructor, if it has one. + pub fn ctor_def_id(&self) -> Option<LocalDefId> { + match *self { + VariantData::Struct(_, _) => None, + VariantData::Tuple(_, _, def_id) | VariantData::Unit(_, def_id) => Some(def_id), + } + } + /// Return the `HirId` of this variant's constructor, if it has one. pub fn ctor_hir_id(&self) -> Option<HirId> { match *self { VariantData::Struct(_, _) => None, - VariantData::Tuple(_, hir_id) | VariantData::Unit(hir_id) => Some(hir_id), + VariantData::Tuple(_, hir_id, _) | VariantData::Unit(hir_id, _) => Some(hir_id), } } } @@ -3532,7 +3545,7 @@ impl<'hir> Node<'hir> { /// Get the fields for the tuple-constructor, /// if this node is a tuple constructor, otherwise None pub fn tuple_fields(&self) -> Option<&'hir [FieldDef<'hir>]> { - if let Node::Ctor(&VariantData::Tuple(fields, _)) = self { Some(fields) } else { None } + if let Node::Ctor(&VariantData::Tuple(fields, _, _)) = self { Some(fields) } else { None } } } @@ -3548,7 +3561,7 @@ mod size_asserts { static_assert_size!(FnDecl<'_>, 40); static_assert_size!(ForeignItem<'_>, 72); static_assert_size!(ForeignItemKind<'_>, 40); - static_assert_size!(GenericArg<'_>, 24); + static_assert_size!(GenericArg<'_>, 32); static_assert_size!(GenericBound<'_>, 48); static_assert_size!(Generics<'_>, 56); static_assert_size!(Impl<'_>, 80); diff --git a/compiler/rustc_hir/src/intravisit.rs b/compiler/rustc_hir/src/intravisit.rs index 3ef58d7d705..48db93fde9d 100644 --- a/compiler/rustc_hir/src/intravisit.rs +++ b/compiler/rustc_hir/src/intravisit.rs @@ -733,6 +733,7 @@ pub fn walk_expr<'v, V: Visitor<'v>>(visitor: &mut V, expression: &'v Expr<'v>) walk_list!(visitor, visit_arm, arms); } ExprKind::Closure(&Closure { + def_id: _, binder: _, bound_generic_params, fn_decl, @@ -1084,7 +1085,7 @@ pub fn walk_enum_def<'v, V: Visitor<'v>>( pub fn walk_variant<'v, V: Visitor<'v>>(visitor: &mut V, variant: &'v Variant<'v>) { visitor.visit_ident(variant.ident); - visitor.visit_id(variant.id); + visitor.visit_id(variant.hir_id); visitor.visit_variant_data(&variant.data); walk_list!(visitor, visit_anon_const, &variant.disr_expr); } diff --git a/compiler/rustc_hir_analysis/src/astconv/mod.rs b/compiler/rustc_hir_analysis/src/astconv/mod.rs index 7a2d98dbe75..16c40cf1299 100644 --- a/compiler/rustc_hir_analysis/src/astconv/mod.rs +++ b/compiler/rustc_hir_analysis/src/astconv/mod.rs @@ -432,7 +432,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { ty::Const::from_opt_const_arg_anon_const( tcx, ty::WithOptConstParam { - did: tcx.hir().local_def_id(ct.value.hir_id), + did: ct.value.def_id, const_param_did: Some(param.def_id), }, ) @@ -570,8 +570,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { ConvertedBindingKind::Equality(self.ast_ty_to_ty(ty).into()) } hir::Term::Const(ref c) => { - let local_did = self.tcx().hir().local_def_id(c.hir_id); - let c = Const::from_anon_const(self.tcx(), local_did); + let c = Const::from_anon_const(self.tcx(), c.def_id); ConvertedBindingKind::Equality(c.into()) } }, @@ -856,7 +855,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { &self, bounds: &mut Bounds<'hir>, ast_bounds: &'hir [hir::GenericBound<'hir>], - self_ty_where_predicates: Option<(hir::HirId, &'hir [hir::WherePredicate<'hir>])>, + self_ty_where_predicates: Option<(LocalDefId, &'hir [hir::WherePredicate<'hir>])>, span: Span, ) { let tcx = self.tcx(); @@ -876,10 +875,9 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { }; search_bounds(ast_bounds); if let Some((self_ty, where_clause)) = self_ty_where_predicates { - let self_ty_def_id = tcx.hir().local_def_id(self_ty).to_def_id(); for clause in where_clause { if let hir::WherePredicate::BoundPredicate(pred) = clause { - if pred.is_param_bound(self_ty_def_id) { + if pred.is_param_bound(self_ty.to_def_id()) { search_bounds(pred.bounds); } } @@ -2722,8 +2720,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { let length = match length { &hir::ArrayLen::Infer(_, span) => self.ct_infer(tcx.types.usize, None, span), hir::ArrayLen::Body(constant) => { - let length_def_id = tcx.hir().local_def_id(constant.hir_id); - ty::Const::from_anon_const(tcx, length_def_id) + ty::Const::from_anon_const(tcx, constant.def_id) } }; @@ -2731,7 +2728,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { self.normalize_ty(ast_ty.span, array_ty) } hir::TyKind::Typeof(ref e) => { - let ty_erased = tcx.type_of(tcx.hir().local_def_id(e.hir_id)); + let ty_erased = tcx.type_of(e.def_id); let ty = tcx.fold_regions(ty_erased, |r, _| { if r.is_erased() { tcx.lifetimes.re_static } else { r } }); diff --git a/compiler/rustc_hir_analysis/src/check/check.rs b/compiler/rustc_hir_analysis/src/check/check.rs index 0ba5e615101..f76b282fa76 100644 --- a/compiler/rustc_hir_analysis/src/check/check.rs +++ b/compiler/rustc_hir_analysis/src/check/check.rs @@ -19,9 +19,7 @@ use rustc_middle::middle::stability::EvalResult; use rustc_middle::ty::layout::{LayoutError, MAX_SIMD_LANES}; use rustc_middle::ty::subst::GenericArgKind; use rustc_middle::ty::util::{Discr, IntTypeExt}; -use rustc_middle::ty::{ - self, ParamEnv, ToPredicate, Ty, TyCtxt, TypeSuperVisitable, TypeVisitable, -}; +use rustc_middle::ty::{self, ParamEnv, Ty, TyCtxt, TypeSuperVisitable, TypeVisitable}; use rustc_session::lint::builtin::{UNINHABITED_STATIC, UNSUPPORTED_CALLING_CONVENTIONS}; use rustc_span::symbol::sym; use rustc_span::{self, Span}; @@ -464,9 +462,8 @@ fn check_opaque_meets_bounds<'tcx>( // Additionally require the hidden type to be well-formed with only the generics of the opaque type. // Defining use functions may have more bounds than the opaque type, which is ok, as long as the // hidden type is well formed even without those bounds. - let predicate = - ty::Binder::dummy(ty::PredicateKind::WellFormed(hidden_ty.into())).to_predicate(tcx); - ocx.register_obligation(Obligation::new(misc_cause, param_env, predicate)); + let predicate = ty::Binder::dummy(ty::PredicateKind::WellFormed(hidden_ty.into())); + ocx.register_obligation(Obligation::new(tcx, misc_cause, param_env, predicate)); // Check that all obligations are satisfied by the implementation's // version. diff --git a/compiler/rustc_hir_analysis/src/check/compare_method.rs b/compiler/rustc_hir_analysis/src/check/compare_method.rs index 7c99896b457..5a222031c56 100644 --- a/compiler/rustc_hir_analysis/src/check/compare_method.rs +++ b/compiler/rustc_hir_analysis/src/check/compare_method.rs @@ -238,7 +238,7 @@ fn compare_predicate_entailment<'tcx>( kind: impl_m.kind, }, ); - ocx.register_obligation(traits::Obligation::new(cause, param_env, predicate)); + ocx.register_obligation(traits::Obligation::new(tcx, cause, param_env, predicate)); } // We now need to check that the signature of the impl method is @@ -521,7 +521,13 @@ pub fn collect_trait_impl_trait_tys<'tcx>( let num_trait_substs = trait_to_impl_substs.len(); let num_impl_substs = tcx.generics_of(impl_m.container_id(tcx)).params.len(); let ty = tcx.fold_regions(ty, |region, _| { - let (ty::ReFree(_) | ty::ReEarlyBound(_)) = region.kind() else { return region; }; + match region.kind() { + // Remap all free regions, which correspond to late-bound regions in the function. + ty::ReFree(_) => {} + // Remap early-bound regions as long as they don't come from the `impl` itself. + ty::ReEarlyBound(ebr) if tcx.parent(ebr.def_id) != impl_m.container_id(tcx) => {} + _ => return region, + } let Some(ty::ReEarlyBound(e)) = map.get(®ion.into()).map(|r| r.expect_region().kind()) else { tcx @@ -605,6 +611,7 @@ impl<'tcx> TypeFolder<'tcx> for ImplTraitInTraitCollector<'_, 'tcx> { ); self.ocx.register_obligation(traits::Obligation::new( + self.tcx(), ObligationCause::new( self.span, self.body_id, @@ -1579,7 +1586,7 @@ fn compare_type_predicate_entailment<'tcx>( }, ); ocx.register_obligations(obligations); - ocx.register_obligation(traits::Obligation::new(cause, param_env, predicate)); + ocx.register_obligation(traits::Obligation::new(tcx, cause, param_env, predicate)); } // Check that all obligations are satisfied by the implementation's @@ -1784,7 +1791,7 @@ pub fn check_type_bounds<'tcx>( .subst_iter_copied(tcx, rebased_substs) .map(|(concrete_ty_bound, span)| { debug!("check_type_bounds: concrete_ty_bound = {:?}", concrete_ty_bound); - traits::Obligation::new(mk_cause(span), param_env, concrete_ty_bound) + traits::Obligation::new(tcx, mk_cause(span), param_env, concrete_ty_bound) }) .collect(); debug!("check_type_bounds: item_bounds={:?}", obligations); diff --git a/compiler/rustc_hir_analysis/src/check/wfcheck.rs b/compiler/rustc_hir_analysis/src/check/wfcheck.rs index 837ff0bdf3e..1d7ceda725a 100644 --- a/compiler/rustc_hir_analysis/src/check/wfcheck.rs +++ b/compiler/rustc_hir_analysis/src/check/wfcheck.rs @@ -14,8 +14,8 @@ use rustc_middle::mir::ConstraintCategory; use rustc_middle::ty::query::Providers; use rustc_middle::ty::trait_def::TraitSpecializationKind; use rustc_middle::ty::{ - self, AdtKind, DefIdTree, GenericParamDefKind, ToPredicate, Ty, TyCtxt, TypeFoldable, - TypeSuperVisitable, TypeVisitable, TypeVisitor, + self, AdtKind, DefIdTree, GenericParamDefKind, Ty, TyCtxt, TypeFoldable, TypeSuperVisitable, + TypeVisitable, TypeVisitor, }; use rustc_middle::ty::{GenericArgKind, InternalSubsts}; use rustc_session::parse::feature_err; @@ -75,9 +75,10 @@ impl<'tcx> WfCheckingCtxt<'_, 'tcx> { // for a type to be WF, we do not need to check if const trait predicates satisfy. let param_env = self.param_env.without_const(); self.ocx.register_obligation(traits::Obligation::new( + self.tcx(), cause, param_env, - ty::Binder::dummy(ty::PredicateKind::WellFormed(arg)).to_predicate(self.tcx()), + ty::Binder::dummy(ty::PredicateKind::WellFormed(arg)), )); } } @@ -853,7 +854,7 @@ fn check_param_wf(tcx: TyCtxt<'_>, param: &hir::GenericParam<'_>) { // Const parameters are well formed if their type is structural match. hir::GenericParamKind::Const { ty: hir_ty, default: _ } => { - let ty = tcx.type_of(tcx.hir().local_def_id(param.hir_id)); + let ty = tcx.type_of(param.def_id); if tcx.features().adt_const_params { if let Some(non_structural_match_ty) = @@ -1111,12 +1112,12 @@ fn check_type_defn<'tcx>(tcx: TyCtxt<'tcx>, item: &hir::Item<'tcx>, all_sized: b traits::MiscObligation, ); wfcx.register_obligation(traits::Obligation::new( + tcx, cause, wfcx.param_env, ty::Binder::dummy(ty::PredicateKind::ConstEvaluatable( ty::Const::from_anon_const(tcx, discr_def_id.expect_local()), - )) - .to_predicate(tcx), + )), )); } } @@ -1453,7 +1454,7 @@ fn check_where_clauses<'tcx>(wfcx: &WfCheckingCtxt<'_, 'tcx>, span: Span, def_id wfcx.body_id, traits::ItemObligation(def_id.to_def_id()), ); - traits::Obligation::new(cause, wfcx.param_env, pred) + traits::Obligation::new(tcx, cause, wfcx.param_env, pred) }); let predicates = predicates.0.instantiate_identity(tcx); @@ -1783,8 +1784,7 @@ fn receiver_is_implemented<'tcx>( substs: tcx.mk_substs_trait(receiver_ty, &[]), }); - let obligation = - traits::Obligation::new(cause, wfcx.param_env, trait_ref.without_const().to_predicate(tcx)); + let obligation = traits::Obligation::new(tcx, cause, wfcx.param_env, trait_ref.without_const()); if wfcx.infcx.predicate_must_hold_modulo_regions(&obligation) { true @@ -1931,6 +1931,7 @@ impl<'tcx> WfCheckingCtxt<'_, 'tcx> { } let obligation = traits::Obligation::new( + tcx, traits::ObligationCause::new(span, self.body_id, traits::TrivialBound), empty_env, pred, diff --git a/compiler/rustc_hir_analysis/src/collect.rs b/compiler/rustc_hir_analysis/src/collect.rs index 0e7a5ebf5ab..2f64a88f03a 100644 --- a/compiler/rustc_hir_analysis/src/collect.rs +++ b/compiler/rustc_hir_analysis/src/collect.rs @@ -291,18 +291,15 @@ impl<'tcx> Visitor<'tcx> for CollectItemTypesVisitor<'tcx> { match param.kind { hir::GenericParamKind::Lifetime { .. } => {} hir::GenericParamKind::Type { default: Some(_), .. } => { - let def_id = self.tcx.hir().local_def_id(param.hir_id); - self.tcx.ensure().type_of(def_id); + self.tcx.ensure().type_of(param.def_id); } hir::GenericParamKind::Type { .. } => {} hir::GenericParamKind::Const { default, .. } => { - let def_id = self.tcx.hir().local_def_id(param.hir_id); - self.tcx.ensure().type_of(def_id); + self.tcx.ensure().type_of(param.def_id); if let Some(default) = default { - let default_def_id = self.tcx.hir().local_def_id(default.hir_id); // need to store default and type of default - self.tcx.ensure().type_of(default_def_id); - self.tcx.ensure().const_param_default(def_id); + self.tcx.ensure().type_of(default.def_id); + self.tcx.ensure().const_param_default(param.def_id); } } } @@ -311,9 +308,9 @@ impl<'tcx> Visitor<'tcx> for CollectItemTypesVisitor<'tcx> { } fn visit_expr(&mut self, expr: &'tcx hir::Expr<'tcx>) { - if let hir::ExprKind::Closure { .. } = expr.kind { - let def_id = self.tcx.hir().local_def_id(expr.hir_id); - self.tcx.ensure().generics_of(def_id); + if let hir::ExprKind::Closure(closure) = expr.kind { + self.tcx.ensure().generics_of(closure.def_id); + self.tcx.ensure().codegen_fn_attrs(closure.def_id); // We do not call `type_of` for closures here as that // depends on typecheck and would therefore hide // any further errors in case one typeck fails. @@ -586,8 +583,12 @@ fn convert_item(tcx: TyCtxt<'_>, item_id: hir::ItemId) { tcx.ensure().type_of(item.owner_id); tcx.ensure().predicates_of(item.owner_id); match item.kind { - hir::ForeignItemKind::Fn(..) => tcx.ensure().fn_sig(item.owner_id), + hir::ForeignItemKind::Fn(..) => { + tcx.ensure().codegen_fn_attrs(item.owner_id); + tcx.ensure().fn_sig(item.owner_id) + } hir::ForeignItemKind::Static(..) => { + tcx.ensure().codegen_fn_attrs(item.owner_id); let mut visitor = HirPlaceholderCollector::default(); visitor.visit_foreign_item(item); placeholder_type_error( @@ -632,14 +633,12 @@ fn convert_item(tcx: TyCtxt<'_>, item_id: hir::ItemId) { tcx.ensure().predicates_of(def_id); for f in struct_def.fields() { - let def_id = tcx.hir().local_def_id(f.hir_id); - tcx.ensure().generics_of(def_id); - tcx.ensure().type_of(def_id); - tcx.ensure().predicates_of(def_id); + tcx.ensure().generics_of(f.def_id); + tcx.ensure().type_of(f.def_id); + tcx.ensure().predicates_of(f.def_id); } - if let Some(ctor_hir_id) = struct_def.ctor_hir_id() { - let ctor_def_id = tcx.hir().local_def_id(ctor_hir_id); + if let Some(ctor_def_id) = struct_def.ctor_def_id() { convert_variant_ctor(tcx, ctor_def_id); } } @@ -676,6 +675,7 @@ fn convert_item(tcx: TyCtxt<'_>, item_id: hir::ItemId) { tcx.ensure().type_of(def_id); tcx.ensure().predicates_of(def_id); tcx.ensure().fn_sig(def_id); + tcx.ensure().codegen_fn_attrs(def_id); } } } @@ -687,6 +687,7 @@ fn convert_trait_item(tcx: TyCtxt<'_>, trait_item_id: hir::TraitItemId) { match trait_item.kind { hir::TraitItemKind::Fn(..) => { + tcx.ensure().codegen_fn_attrs(def_id); tcx.ensure().type_of(def_id); tcx.ensure().fn_sig(def_id); } @@ -736,6 +737,7 @@ fn convert_impl_item(tcx: TyCtxt<'_>, impl_item_id: hir::ImplItemId) { let impl_item = tcx.hir().impl_item(impl_item_id); match impl_item.kind { hir::ImplItemKind::Fn(..) => { + tcx.ensure().codegen_fn_attrs(def_id); tcx.ensure().fn_sig(def_id); } hir::ImplItemKind::Type(_) => { @@ -813,7 +815,6 @@ fn convert_variant( .fields() .iter() .map(|f| { - let fid = tcx.hir().local_def_id(f.hir_id); let dup_span = seen_fields.get(&f.ident.normalize_to_macros_2_0()).cloned(); if let Some(prev_span) = dup_span { tcx.sess.emit_err(errors::FieldAlreadyDeclared { @@ -825,7 +826,11 @@ fn convert_variant( seen_fields.insert(f.ident.normalize_to_macros_2_0(), f.span); } - ty::FieldDef { did: fid.to_def_id(), name: f.ident.name, vis: tcx.visibility(fid) } + ty::FieldDef { + did: f.def_id.to_def_id(), + name: f.ident.name, + vis: tcx.visibility(f.def_id), + } }) .collect(); let recovered = match def { @@ -866,13 +871,9 @@ fn adt_def<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> ty::AdtDef<'tcx> { .variants .iter() .map(|v| { - let variant_did = Some(tcx.hir().local_def_id(v.id)); - let ctor_did = - v.data.ctor_hir_id().map(|hir_id| tcx.hir().local_def_id(hir_id)); - let discr = if let Some(ref e) = v.disr_expr { distance_from_explicit = 0; - ty::VariantDiscr::Explicit(tcx.hir().local_def_id(e.hir_id).to_def_id()) + ty::VariantDiscr::Explicit(e.def_id.to_def_id()) } else { ty::VariantDiscr::Relative(distance_from_explicit) }; @@ -880,8 +881,8 @@ fn adt_def<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> ty::AdtDef<'tcx> { convert_variant( tcx, - variant_did, - ctor_did, + Some(v.def_id), + v.data.ctor_def_id(), v.ident, discr, &v.data, @@ -894,13 +895,10 @@ fn adt_def<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> ty::AdtDef<'tcx> { (AdtKind::Enum, variants) } ItemKind::Struct(ref def, _) => { - let variant_did = None::<LocalDefId>; - let ctor_did = def.ctor_hir_id().map(|hir_id| tcx.hir().local_def_id(hir_id)); - let variants = std::iter::once(convert_variant( tcx, - variant_did, - ctor_did, + None, + def.ctor_def_id(), item.ident, ty::VariantDiscr::Relative(0), def, @@ -912,13 +910,10 @@ fn adt_def<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> ty::AdtDef<'tcx> { (AdtKind::Struct, variants) } ItemKind::Union(ref def, _) => { - let variant_did = None; - let ctor_did = def.ctor_hir_id().map(|hir_id| tcx.hir().local_def_id(hir_id)); - let variants = std::iter::once(convert_variant( tcx, - variant_did, - ctor_did, + None, + def.ctor_def_id(), item.ident, ty::VariantDiscr::Relative(0), def, @@ -1178,8 +1173,7 @@ fn fn_sig(tcx: TyCtxt<'_>, def_id: DefId) -> ty::PolyFnSig<'_> { Ctor(data) | Variant(hir::Variant { data, .. }) if data.ctor_hir_id().is_some() => { let ty = tcx.type_of(tcx.hir().get_parent_item(hir_id)); - let inputs = - data.fields().iter().map(|f| tcx.type_of(tcx.hir().local_def_id(f.hir_id))); + let inputs = data.fields().iter().map(|f| tcx.type_of(f.def_id)); ty::Binder::dummy(tcx.mk_fn_sig( inputs, ty, diff --git a/compiler/rustc_hir_analysis/src/collect/generics_of.rs b/compiler/rustc_hir_analysis/src/collect/generics_of.rs index c7777a94689..b369a1eb109 100644 --- a/compiler/rustc_hir_analysis/src/collect/generics_of.rs +++ b/compiler/rustc_hir_analysis/src/collect/generics_of.rs @@ -51,7 +51,7 @@ pub(super) fn generics_of(tcx: TyCtxt<'_>, def_id: DefId) -> ty::Generics { // of a const parameter type, e.g. `struct Foo<const N: usize, const M: [u8; N]>` is not allowed. None } else if tcx.lazy_normalization() { - if let Some(param_id) = tcx.hir().opt_const_param_default_param_hir_id(hir_id) { + if let Some(param_id) = tcx.hir().opt_const_param_default_param_def_id(hir_id) { // If the def_id we are calling generics_of on is an anon ct default i.e: // // struct Foo<const N: usize = { .. }>; @@ -77,8 +77,7 @@ pub(super) fn generics_of(tcx: TyCtxt<'_>, def_id: DefId) -> ty::Generics { // This has some implications for how we get the predicates available to the anon const // see `explicit_predicates_of` for more information on this let generics = tcx.generics_of(parent_def_id.to_def_id()); - let param_def = tcx.hir().local_def_id(param_id).to_def_id(); - let param_def_idx = generics.param_def_id_to_index[¶m_def]; + let param_def_idx = generics.param_def_id_to_index[¶m_id.to_def_id()]; // In the above example this would be .params[..N#0] let params = generics.params[..param_def_idx as usize].to_owned(); let param_def_id_to_index = @@ -241,7 +240,7 @@ pub(super) fn generics_of(tcx: TyCtxt<'_>, def_id: DefId) -> ty::Generics { params.extend(early_lifetimes.enumerate().map(|(i, param)| ty::GenericParamDef { name: param.name.ident().name, index: own_start + i as u32, - def_id: tcx.hir().local_def_id(param.hir_id).to_def_id(), + def_id: param.def_id.to_def_id(), pure_wrt_drop: param.pure_wrt_drop, kind: ty::GenericParamDefKind::Lifetime, })); @@ -286,7 +285,7 @@ pub(super) fn generics_of(tcx: TyCtxt<'_>, def_id: DefId) -> ty::Generics { Some(ty::GenericParamDef { index: next_index(), name: param.name.ident().name, - def_id: tcx.hir().local_def_id(param.hir_id).to_def_id(), + def_id: param.def_id.to_def_id(), pure_wrt_drop: param.pure_wrt_drop, kind, }) @@ -303,7 +302,7 @@ pub(super) fn generics_of(tcx: TyCtxt<'_>, def_id: DefId) -> ty::Generics { Some(ty::GenericParamDef { index: next_index(), name: param.name.ident().name, - def_id: tcx.hir().local_def_id(param.hir_id).to_def_id(), + def_id: param.def_id.to_def_id(), pure_wrt_drop: param.pure_wrt_drop, kind: ty::GenericParamDefKind::Const { has_default: default.is_some() }, }) diff --git a/compiler/rustc_hir_analysis/src/collect/lifetimes.rs b/compiler/rustc_hir_analysis/src/collect/lifetimes.rs index 6ee7aa9cdac..ce5cde5b883 100644 --- a/compiler/rustc_hir_analysis/src/collect/lifetimes.rs +++ b/compiler/rustc_hir_analysis/src/collect/lifetimes.rs @@ -15,7 +15,6 @@ use rustc_hir::def_id::LocalDefId; use rustc_hir::intravisit::{self, Visitor}; use rustc_hir::{GenericArg, GenericParam, GenericParamKind, HirIdMap, LifetimeName, Node}; use rustc_middle::bug; -use rustc_middle::hir::map::Map; use rustc_middle::hir::nested_filter; use rustc_middle::middle::resolve_lifetime::*; use rustc_middle::ty::{self, DefIdTree, TyCtxt, TypeSuperVisitable, TypeVisitor}; @@ -25,9 +24,9 @@ use rustc_span::Span; use std::fmt; trait RegionExt { - fn early(hir_map: Map<'_>, param: &GenericParam<'_>) -> (LocalDefId, Region); + fn early(param: &GenericParam<'_>) -> (LocalDefId, Region); - fn late(index: u32, hir_map: Map<'_>, param: &GenericParam<'_>) -> (LocalDefId, Region); + fn late(index: u32, param: &GenericParam<'_>) -> (LocalDefId, Region); fn id(&self) -> Option<DefId>; @@ -35,20 +34,18 @@ trait RegionExt { } impl RegionExt for Region { - fn early(hir_map: Map<'_>, param: &GenericParam<'_>) -> (LocalDefId, Region) { - let def_id = hir_map.local_def_id(param.hir_id); - debug!("Region::early: def_id={:?}", def_id); - (def_id, Region::EarlyBound(def_id.to_def_id())) + fn early(param: &GenericParam<'_>) -> (LocalDefId, Region) { + debug!("Region::early: def_id={:?}", param.def_id); + (param.def_id, Region::EarlyBound(param.def_id.to_def_id())) } - fn late(idx: u32, hir_map: Map<'_>, param: &GenericParam<'_>) -> (LocalDefId, Region) { + fn late(idx: u32, param: &GenericParam<'_>) -> (LocalDefId, Region) { let depth = ty::INNERMOST; - let def_id = hir_map.local_def_id(param.hir_id); debug!( "Region::late: idx={:?}, param={:?} depth={:?} def_id={:?}", - idx, param, depth, def_id, + idx, param, depth, param.def_id, ); - (def_id, Region::LateBound(depth, idx, def_id.to_def_id())) + (param.def_id, Region::LateBound(depth, idx, param.def_id.to_def_id())) } fn id(&self) -> Option<DefId> { @@ -395,7 +392,7 @@ impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> { .filter(|param| matches!(param.kind, GenericParamKind::Lifetime { .. })) .enumerate() .map(|(late_bound_idx, param)| { - let pair = Region::late(late_bound_idx as u32, self.tcx.hir(), param); + let pair = Region::late(late_bound_idx as u32, param); let r = late_region_as_bound_region(self.tcx, &pair.1); (pair, r) }) @@ -492,7 +489,7 @@ impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> { for param in generics.params { match param.kind { GenericParamKind::Lifetime { .. } => { - let (def_id, reg) = Region::early(self.tcx.hir(), ¶m); + let (def_id, reg) = Region::early(¶m); lifetimes.insert(def_id, reg); } GenericParamKind::Type { .. } | GenericParamKind::Const { .. } => {} @@ -523,9 +520,7 @@ impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> { .params .iter() .filter_map(|param| match param.kind { - GenericParamKind::Lifetime { .. } => { - Some(Region::early(self.tcx.hir(), param)) - } + GenericParamKind::Lifetime { .. } => Some(Region::early(param)), GenericParamKind::Type { .. } | GenericParamKind::Const { .. } => None, }) .collect(); @@ -573,7 +568,7 @@ impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> { .filter(|param| matches!(param.kind, GenericParamKind::Lifetime { .. })) .enumerate() .map(|(late_bound_idx, param)| { - let pair = Region::late(late_bound_idx as u32, self.tcx.hir(), param); + let pair = Region::late(late_bound_idx as u32, param); let r = late_region_as_bound_region(self.tcx, &pair.1); (pair, r) }) @@ -731,9 +726,7 @@ impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> { .params .iter() .filter_map(|param| match param.kind { - GenericParamKind::Lifetime { .. } => { - Some(Region::early(self.tcx.hir(), param)) - } + GenericParamKind::Lifetime { .. } => Some(Region::early(param)), GenericParamKind::Type { .. } | GenericParamKind::Const { .. } => None, }) .collect(); @@ -779,9 +772,7 @@ impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> { .params .iter() .filter_map(|param| match param.kind { - GenericParamKind::Lifetime { .. } => { - Some(Region::early(self.tcx.hir(), param)) - } + GenericParamKind::Lifetime { .. } => Some(Region::early(param)), GenericParamKind::Const { .. } | GenericParamKind::Type { .. } => None, }) .collect(); @@ -886,7 +877,7 @@ impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> { }) .enumerate() .map(|(late_bound_idx, param)| { - Region::late(late_bound_idx as u32, this.tcx.hir(), param) + Region::late(late_bound_idx as u32, param) }) .collect(); let binders: Vec<_> = @@ -999,8 +990,7 @@ impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> { .filter(|param| matches!(param.kind, GenericParamKind::Lifetime { .. })) .enumerate() .map(|(late_bound_idx, param)| { - let pair = - Region::late(initial_bound_vars + late_bound_idx as u32, self.tcx.hir(), param); + let pair = Region::late(initial_bound_vars + late_bound_idx as u32, param); let r = late_region_as_bound_region(self.tcx, &pair.1); lifetimes.insert(pair.0, pair.1); r @@ -1131,9 +1121,9 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> { if self.tcx.is_late_bound(param.hir_id) { let late_bound_idx = named_late_bound_vars; named_late_bound_vars += 1; - Some(Region::late(late_bound_idx, self.tcx.hir(), param)) + Some(Region::late(late_bound_idx, param)) } else { - Some(Region::early(self.tcx.hir(), param)) + Some(Region::early(param)) } } GenericParamKind::Type { .. } | GenericParamKind::Const { .. } => None, @@ -1149,7 +1139,7 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> { }) .enumerate() .map(|(late_bound_idx, param)| { - let pair = Region::late(late_bound_idx as u32, self.tcx.hir(), param); + let pair = Region::late(late_bound_idx as u32, param); late_region_as_bound_region(self.tcx, &pair.1) }) .collect(); diff --git a/compiler/rustc_hir_analysis/src/collect/predicates_of.rs b/compiler/rustc_hir_analysis/src/collect/predicates_of.rs index 5d1ca1cbd23..e2da580de0c 100644 --- a/compiler/rustc_hir_analysis/src/collect/predicates_of.rs +++ b/compiler/rustc_hir_analysis/src/collect/predicates_of.rs @@ -199,7 +199,7 @@ fn gather_explicit_predicates_of(tcx: TyCtxt<'_>, def_id: DefId) -> ty::GenericP &icx, &mut bounds, &[], - Some((param.hir_id, ast_generics.predicates)), + Some((param.def_id, ast_generics.predicates)), param.span, ); trace!(?bounds); @@ -316,10 +316,9 @@ fn const_evaluatable_predicates_of<'tcx>( impl<'tcx> intravisit::Visitor<'tcx> for ConstCollector<'tcx> { fn visit_anon_const(&mut self, c: &'tcx hir::AnonConst) { - let def_id = self.tcx.hir().local_def_id(c.hir_id); - let ct = ty::Const::from_anon_const(self.tcx, def_id); + let ct = ty::Const::from_anon_const(self.tcx, c.def_id); if let ty::ConstKind::Unevaluated(_) = ct.kind() { - let span = self.tcx.hir().span(c.hir_id); + let span = self.tcx.def_span(c.def_id); self.preds.insert(( ty::Binder::dummy(ty::PredicateKind::ConstEvaluatable(ct)) .to_predicate(self.tcx), @@ -429,7 +428,7 @@ pub(super) fn explicit_predicates_of<'tcx>( let hir_id = tcx.hir().local_def_id_to_hir_id(def_id.expect_local()); let parent_def_id = tcx.hir().get_parent_item(hir_id); - if tcx.hir().opt_const_param_default_param_hir_id(hir_id).is_some() { + if tcx.hir().opt_const_param_default_param_def_id(hir_id).is_some() { // In `generics_of` we set the generics' parent to be our parent's parent which means that // we lose out on the predicates of our actual parent if we dont return those predicates here. // (See comment in `generics_of` for more information on why the parent shenanigans is necessary) @@ -531,7 +530,7 @@ pub(super) fn super_predicates_that_define_assoc_type( let is_trait_alias = tcx.is_trait_alias(trait_def_id); let superbounds2 = icx.type_parameter_bounds_in_generics( generics, - item.hir_id(), + item.owner_id.def_id, self_param_ty, OnlySelfBounds(!is_trait_alias), assoc_name, @@ -641,7 +640,7 @@ pub(super) fn type_param_predicates( let extra_predicates = extend.into_iter().chain( icx.type_parameter_bounds_in_generics( ast_generics, - param_id, + def_id, ty, OnlySelfBounds(true), Some(assoc_name), @@ -666,13 +665,11 @@ impl<'tcx> ItemCtxt<'tcx> { fn type_parameter_bounds_in_generics( &self, ast_generics: &'tcx hir::Generics<'tcx>, - param_id: hir::HirId, + param_def_id: LocalDefId, ty: Ty<'tcx>, only_self_bounds: OnlySelfBounds, assoc_name: Option<Ident>, ) -> Vec<(ty::Predicate<'tcx>, Span)> { - let param_def_id = self.tcx.hir().local_def_id(param_id).to_def_id(); - trace!(?param_def_id); ast_generics .predicates .iter() @@ -681,7 +678,7 @@ impl<'tcx> ItemCtxt<'tcx> { _ => None, }) .flat_map(|bp| { - let bt = if bp.is_param_bound(param_def_id) { + let bt = if bp.is_param_bound(param_def_id.to_def_id()) { Some(ty) } else if !only_self_bounds.0 { Some(self.to_ty(bp.bounded_ty)) diff --git a/compiler/rustc_hir_analysis/src/collect/type_of.rs b/compiler/rustc_hir_analysis/src/collect/type_of.rs index 2402495c2e4..9bd1715ce39 100644 --- a/compiler/rustc_hir_analysis/src/collect/type_of.rs +++ b/compiler/rustc_hir_analysis/src/collect/type_of.rs @@ -514,10 +514,10 @@ pub(super) fn type_of(tcx: TyCtxt<'_>, def_id: DefId) -> Ty<'_> { } Node::GenericParam(&GenericParam { - hir_id: param_hir_id, + def_id: param_def_id, kind: GenericParamKind::Const { default: Some(ct), .. }, .. - }) if ct.hir_id == hir_id => tcx.type_of(tcx.hir().local_def_id(param_hir_id)), + }) if ct.hir_id == hir_id => tcx.type_of(param_def_id), x => tcx.ty_error_with_message( DUMMY_SP, @@ -636,9 +636,8 @@ fn find_opaque_ty_constraints_for_tait(tcx: TyCtxt<'_>, def_id: LocalDefId) -> T self.tcx.hir() } fn visit_expr(&mut self, ex: &'tcx Expr<'tcx>) { - if let hir::ExprKind::Closure { .. } = ex.kind { - let def_id = self.tcx.hir().local_def_id(ex.hir_id); - self.check(def_id); + if let hir::ExprKind::Closure(closure) = ex.kind { + self.check(closure.def_id); } intravisit::walk_expr(self, ex); } @@ -771,9 +770,8 @@ fn find_opaque_ty_constraints_for_rpit( self.tcx.hir() } fn visit_expr(&mut self, ex: &'tcx Expr<'tcx>) { - if let hir::ExprKind::Closure { .. } = ex.kind { - let def_id = self.tcx.hir().local_def_id(ex.hir_id); - self.check(def_id); + if let hir::ExprKind::Closure(closure) = ex.kind { + self.check(closure.def_id); } intravisit::walk_expr(self, ex); } diff --git a/compiler/rustc_hir_analysis/src/hir_wf_check.rs b/compiler/rustc_hir_analysis/src/hir_wf_check.rs index b0fdfcf38a6..4f9d5826583 100644 --- a/compiler/rustc_hir_analysis/src/hir_wf_check.rs +++ b/compiler/rustc_hir_analysis/src/hir_wf_check.rs @@ -5,7 +5,7 @@ use rustc_hir::{ForeignItem, ForeignItemKind, HirId}; use rustc_infer::infer::TyCtxtInferExt; use rustc_infer::traits::{ObligationCause, WellFormedLoc}; use rustc_middle::ty::query::Providers; -use rustc_middle::ty::{self, Region, ToPredicate, TyCtxt, TypeFoldable, TypeFolder}; +use rustc_middle::ty::{self, Region, TyCtxt, TypeFoldable, TypeFolder}; use rustc_trait_selection::traits; pub fn provide(providers: &mut Providers) { @@ -74,10 +74,10 @@ fn diagnostic_hir_wf_check<'tcx>( let errors = traits::fully_solve_obligation( &infcx, traits::Obligation::new( + self.tcx, cause, self.param_env, - ty::Binder::dummy(ty::PredicateKind::WellFormed(tcx_ty.into())) - .to_predicate(self.tcx), + ty::Binder::dummy(ty::PredicateKind::WellFormed(tcx_ty.into())), ), ); if !errors.is_empty() { diff --git a/compiler/rustc_hir_analysis/src/outlives/mod.rs b/compiler/rustc_hir_analysis/src/outlives/mod.rs index e50c267659e..ea0c2a20de3 100644 --- a/compiler/rustc_hir_analysis/src/outlives/mod.rs +++ b/compiler/rustc_hir_analysis/src/outlives/mod.rs @@ -22,7 +22,7 @@ fn inferred_outlives_of(tcx: TyCtxt<'_>, item_def_id: DefId) -> &[(ty::Predicate if matches!(tcx.def_kind(item_def_id), hir::def::DefKind::AnonConst) && tcx.lazy_normalization() { - if tcx.hir().opt_const_param_default_param_hir_id(id).is_some() { + if tcx.hir().opt_const_param_default_param_def_id(id).is_some() { // In `generics_of` we set the generics' parent to be our parent's parent which means that // we lose out on the predicates of our actual parent if we dont return those predicates here. // (See comment in `generics_of` for more information on why the parent shenanigans is necessary) diff --git a/compiler/rustc_hir_pretty/src/lib.rs b/compiler/rustc_hir_pretty/src/lib.rs index da27554a229..d70ec94f5b6 100644 --- a/compiler/rustc_hir_pretty/src/lib.rs +++ b/compiler/rustc_hir_pretty/src/lib.rs @@ -754,7 +754,7 @@ impl<'a> State<'a> { for v in variants { self.space_if_not_bol(); self.maybe_print_comment(v.span.lo()); - self.print_outer_attributes(self.attrs(v.id)); + self.print_outer_attributes(self.attrs(v.hir_id)); self.ibox(INDENT_UNIT); self.print_variant(v); self.word(","); @@ -1481,6 +1481,7 @@ impl<'a> State<'a> { body, fn_decl_span: _, movability: _, + def_id: _, }) => { self.print_closure_binder(binder, bound_generic_params); self.print_capture_clause(capture_clause); diff --git a/compiler/rustc_hir_typeck/src/_match.rs b/compiler/rustc_hir_typeck/src/_match.rs index 6a4a6a5b0a5..139f2e84136 100644 --- a/compiler/rustc_hir_typeck/src/_match.rs +++ b/compiler/rustc_hir_typeck/src/_match.rs @@ -4,7 +4,7 @@ use rustc_errors::{Applicability, Diagnostic, MultiSpan}; use rustc_hir::{self as hir, ExprKind}; use rustc_infer::infer::type_variable::{TypeVariableOrigin, TypeVariableOriginKind}; use rustc_infer::traits::Obligation; -use rustc_middle::ty::{self, ToPredicate, Ty}; +use rustc_middle::ty::{self, Ty}; use rustc_span::Span; use rustc_trait_selection::traits::query::evaluate_obligation::InferCtxtExt; use rustc_trait_selection::traits::{ @@ -538,23 +538,24 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { .bound_explicit_item_bounds(rpit_def_id) .subst_iter_copied(self.tcx, substs) { - let pred = match pred.kind().skip_binder() { + let pred = pred.kind().rebind(match pred.kind().skip_binder() { ty::PredicateKind::Trait(mut trait_pred) => { assert_eq!(trait_pred.trait_ref.self_ty(), opaque_ty); trait_pred.trait_ref.substs = self.tcx.mk_substs_trait(ty, &trait_pred.trait_ref.substs[1..]); - pred.kind().rebind(trait_pred).to_predicate(self.tcx) + ty::PredicateKind::Trait(trait_pred) } ty::PredicateKind::Projection(mut proj_pred) => { assert_eq!(proj_pred.projection_ty.self_ty(), opaque_ty); proj_pred.projection_ty.substs = self .tcx .mk_substs_trait(ty, &proj_pred.projection_ty.substs[1..]); - pred.kind().rebind(proj_pred).to_predicate(self.tcx) + ty::PredicateKind::Projection(proj_pred) } _ => continue, - }; + }); if !self.predicate_must_hold_modulo_regions(&Obligation::new( + self.tcx, ObligationCause::misc(span, self.body_id), self.param_env, pred, diff --git a/compiler/rustc_hir_typeck/src/callee.rs b/compiler/rustc_hir_typeck/src/callee.rs index ed2218b8746..302d512c71d 100644 --- a/compiler/rustc_hir_typeck/src/callee.rs +++ b/compiler/rustc_hir_typeck/src/callee.rs @@ -380,6 +380,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { predicates.predicates.iter().zip(&predicates.spans) { let obligation = Obligation::new( + self.tcx, ObligationCause::dummy_with_span(callee_expr.span), self.param_env, *predicate, diff --git a/compiler/rustc_hir_typeck/src/check.rs b/compiler/rustc_hir_typeck/src/check.rs index 3c57e33f6f7..b9e90e47e50 100644 --- a/compiler/rustc_hir_typeck/src/check.rs +++ b/compiler/rustc_hir_typeck/src/check.rs @@ -26,10 +26,12 @@ pub(super) fn check_fn<'a, 'tcx>( param_env: ty::ParamEnv<'tcx>, fn_sig: ty::FnSig<'tcx>, decl: &'tcx hir::FnDecl<'tcx>, - fn_id: hir::HirId, + fn_def_id: LocalDefId, body: &'tcx hir::Body<'tcx>, can_be_generator: Option<hir::Movability>, ) -> (FnCtxt<'a, 'tcx>, Option<GeneratorTypes<'tcx>>) { + let fn_id = inherited.tcx.hir().local_def_id_to_hir_id(fn_def_id); + // Create the function context. This is either derived from scratch or, // in the case of closures, based on the outer context. let mut fcx = FnCtxt::new(inherited, param_env, body.value.hir_id); @@ -100,7 +102,7 @@ pub(super) fn check_fn<'a, 'tcx>( inherited.typeck_results.borrow_mut().liberated_fn_sigs_mut().insert(fn_id, fn_sig); - if let ty::Dynamic(..) = declared_ret_ty.kind() { + if let ty::Dynamic(_, _, ty::Dyn) = declared_ret_ty.kind() { // FIXME: We need to verify that the return type is `Sized` after the return expression has // been evaluated so that we have types available for all the nodes being returned, but that // requires the coerced evaluated type to be stored. Moving `check_return_expr` before this diff --git a/compiler/rustc_hir_typeck/src/closure.rs b/compiler/rustc_hir_typeck/src/closure.rs index 63062761b50..6cf9e23b40b 100644 --- a/compiler/rustc_hir_typeck/src/closure.rs +++ b/compiler/rustc_hir_typeck/src/closure.rs @@ -4,7 +4,7 @@ use super::{check_fn, Expectation, FnCtxt, GeneratorTypes}; use hir::def::DefKind; use rustc_hir as hir; -use rustc_hir::def_id::DefId; +use rustc_hir::def_id::LocalDefId; use rustc_hir::lang_items::LangItem; use rustc_hir_analysis::astconv::AstConv; use rustc_infer::infer::type_variable::{TypeVariableOrigin, TypeVariableOriginKind}; @@ -41,18 +41,14 @@ struct ClosureSignatures<'tcx> { } impl<'a, 'tcx> FnCtxt<'a, 'tcx> { - #[instrument(skip(self, expr, _capture, decl, body_id), level = "debug")] + #[instrument(skip(self, closure), level = "debug")] pub fn check_expr_closure( &self, - expr: &hir::Expr<'_>, - _capture: hir::CaptureBy, - decl: &'tcx hir::FnDecl<'tcx>, - body_id: hir::BodyId, - gen: Option<hir::Movability>, + closure: &hir::Closure<'tcx>, + expr_span: Span, expected: Expectation<'tcx>, ) -> Ty<'tcx> { - trace!("decl = {:#?}", decl); - trace!("expr = {:#?}", expr); + trace!("decl = {:#?}", closure.fn_decl); // It's always helpful for inference if we know the kind of // closure sooner rather than later, so first examine the expected @@ -61,26 +57,25 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { Some(ty) => self.deduce_expectations_from_expected_type(ty), None => (None, None), }; - let body = self.tcx.hir().body(body_id); - self.check_closure(expr, expected_kind, decl, body, gen, expected_sig) + let body = self.tcx.hir().body(closure.body); + self.check_closure(closure, expr_span, expected_kind, body, expected_sig) } - #[instrument(skip(self, expr, body, decl), level = "debug", ret)] + #[instrument(skip(self, closure, body), level = "debug", ret)] fn check_closure( &self, - expr: &hir::Expr<'_>, + closure: &hir::Closure<'tcx>, + expr_span: Span, opt_kind: Option<ty::ClosureKind>, - decl: &'tcx hir::FnDecl<'tcx>, body: &'tcx hir::Body<'tcx>, - gen: Option<hir::Movability>, expected_sig: Option<ExpectedSig<'tcx>>, ) -> Ty<'tcx> { - trace!("decl = {:#?}", decl); - let expr_def_id = self.tcx.hir().local_def_id(expr.hir_id); + trace!("decl = {:#?}", closure.fn_decl); + let expr_def_id = closure.def_id; debug!(?expr_def_id); let ClosureSignatures { bound_sig, liberated_sig } = - self.sig_of_closure(expr.hir_id, expr_def_id.to_def_id(), decl, body, expected_sig); + self.sig_of_closure(expr_def_id, closure.fn_decl, body, expected_sig); debug!(?bound_sig, ?liberated_sig); @@ -88,10 +83,10 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { self, self.param_env.without_const(), liberated_sig, - decl, - expr.hir_id, + closure.fn_decl, + expr_def_id, body, - gen, + closure.movability, ) .1; @@ -102,7 +97,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let tupled_upvars_ty = self.next_ty_var(TypeVariableOrigin { kind: TypeVariableOriginKind::ClosureSynthetic, - span: self.tcx.hir().span(expr.hir_id), + span: self.tcx.def_span(expr_def_id), }); if let Some(GeneratorTypes { resume_ty, yield_ty, interior, movability }) = generator_types @@ -148,7 +143,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { None => self.next_ty_var(TypeVariableOrigin { // FIXME(eddyb) distinguish closure kind inference variables from the rest. kind: TypeVariableOriginKind::ClosureSynthetic, - span: expr.span, + span: expr_span, }), }; @@ -319,30 +314,28 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { fn sig_of_closure( &self, - hir_id: hir::HirId, - expr_def_id: DefId, + expr_def_id: LocalDefId, decl: &hir::FnDecl<'_>, body: &hir::Body<'_>, expected_sig: Option<ExpectedSig<'tcx>>, ) -> ClosureSignatures<'tcx> { if let Some(e) = expected_sig { - self.sig_of_closure_with_expectation(hir_id, expr_def_id, decl, body, e) + self.sig_of_closure_with_expectation(expr_def_id, decl, body, e) } else { - self.sig_of_closure_no_expectation(hir_id, expr_def_id, decl, body) + self.sig_of_closure_no_expectation(expr_def_id, decl, body) } } /// If there is no expected signature, then we will convert the /// types that the user gave into a signature. - #[instrument(skip(self, hir_id, expr_def_id, decl, body), level = "debug")] + #[instrument(skip(self, expr_def_id, decl, body), level = "debug")] fn sig_of_closure_no_expectation( &self, - hir_id: hir::HirId, - expr_def_id: DefId, + expr_def_id: LocalDefId, decl: &hir::FnDecl<'_>, body: &hir::Body<'_>, ) -> ClosureSignatures<'tcx> { - let bound_sig = self.supplied_sig_of_closure(hir_id, expr_def_id, decl, body); + let bound_sig = self.supplied_sig_of_closure(expr_def_id, decl, body); self.closure_sigs(expr_def_id, body, bound_sig) } @@ -388,17 +381,16 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { /// /// # Arguments /// - /// - `expr_def_id`: the `DefId` of the closure expression + /// - `expr_def_id`: the `LocalDefId` of the closure expression /// - `decl`: the HIR declaration of the closure /// - `body`: the body of the closure /// - `expected_sig`: the expected signature (if any). Note that /// this is missing a binder: that is, there may be late-bound /// regions with depth 1, which are bound then by the closure. - #[instrument(skip(self, hir_id, expr_def_id, decl, body), level = "debug")] + #[instrument(skip(self, expr_def_id, decl, body), level = "debug")] fn sig_of_closure_with_expectation( &self, - hir_id: hir::HirId, - expr_def_id: DefId, + expr_def_id: LocalDefId, decl: &hir::FnDecl<'_>, body: &hir::Body<'_>, expected_sig: ExpectedSig<'tcx>, @@ -407,7 +399,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // expectation if things don't see to match up with what we // expect. if expected_sig.sig.c_variadic() != decl.c_variadic { - return self.sig_of_closure_no_expectation(hir_id, expr_def_id, decl, body); + return self.sig_of_closure_no_expectation(expr_def_id, decl, body); } else if expected_sig.sig.skip_binder().inputs_and_output.len() != decl.inputs.len() + 1 { return self.sig_of_closure_with_mismatched_number_of_arguments( expr_def_id, @@ -443,27 +435,21 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // Along the way, it also writes out entries for types that the user // wrote into our typeck results, which are then later used by the privacy // check. - match self.merge_supplied_sig_with_expectation( - hir_id, - expr_def_id, - decl, - body, - closure_sigs, - ) { + match self.merge_supplied_sig_with_expectation(expr_def_id, decl, body, closure_sigs) { Ok(infer_ok) => self.register_infer_ok_obligations(infer_ok), - Err(_) => self.sig_of_closure_no_expectation(hir_id, expr_def_id, decl, body), + Err(_) => self.sig_of_closure_no_expectation(expr_def_id, decl, body), } } fn sig_of_closure_with_mismatched_number_of_arguments( &self, - expr_def_id: DefId, + expr_def_id: LocalDefId, decl: &hir::FnDecl<'_>, body: &hir::Body<'_>, expected_sig: ExpectedSig<'tcx>, ) -> ClosureSignatures<'tcx> { let hir = self.tcx.hir(); - let expr_map_node = hir.get_if_local(expr_def_id).unwrap(); + let expr_map_node = hir.get_by_def_id(expr_def_id); let expected_args: Vec<_> = expected_sig .sig .skip_binder() @@ -476,7 +462,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { None => (None, Vec::new()), }; let expected_span = - expected_sig.cause_span.unwrap_or_else(|| hir.span_if_local(expr_def_id).unwrap()); + expected_sig.cause_span.unwrap_or_else(|| self.tcx.def_span(expr_def_id)); self.report_arg_count_mismatch( expected_span, closure_span, @@ -494,11 +480,10 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { /// Enforce the user's types against the expectation. See /// `sig_of_closure_with_expectation` for details on the overall /// strategy. - #[instrument(level = "debug", skip(self, hir_id, expr_def_id, decl, body, expected_sigs))] + #[instrument(level = "debug", skip(self, expr_def_id, decl, body, expected_sigs))] fn merge_supplied_sig_with_expectation( &self, - hir_id: hir::HirId, - expr_def_id: DefId, + expr_def_id: LocalDefId, decl: &hir::FnDecl<'_>, body: &hir::Body<'_>, mut expected_sigs: ClosureSignatures<'tcx>, @@ -507,7 +492,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // // (See comment on `sig_of_closure_with_expectation` for the // meaning of these letters.) - let supplied_sig = self.supplied_sig_of_closure(hir_id, expr_def_id, decl, body); + let supplied_sig = self.supplied_sig_of_closure(expr_def_id, decl, body); debug!(?supplied_sig); @@ -587,8 +572,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { #[instrument(skip(self, decl, body), level = "debug", ret)] fn supplied_sig_of_closure( &self, - hir_id: hir::HirId, - expr_def_id: DefId, + expr_def_id: LocalDefId, decl: &hir::FnDecl<'_>, body: &hir::Body<'_>, ) -> ty::PolyFnSig<'tcx> { @@ -597,6 +581,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { trace!("decl = {:#?}", decl); debug!(?body.generator_kind); + let hir_id = self.tcx.hir().local_def_id_to_hir_id(expr_def_id); let bound_vars = self.tcx.late_bound_vars(hir_id); // First, convert the types that the user supplied (if any). @@ -655,7 +640,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { #[instrument(skip(self), level = "debug", ret)] fn deduce_future_output_from_obligations( &self, - expr_def_id: DefId, + expr_def_id: LocalDefId, body_id: hir::HirId, ) -> Option<Ty<'tcx>> { let ret_coercion = self.ret_coercion.as_ref().unwrap_or_else(|| { @@ -804,14 +789,15 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { fn closure_sigs( &self, - expr_def_id: DefId, + expr_def_id: LocalDefId, body: &hir::Body<'_>, bound_sig: ty::PolyFnSig<'tcx>, ) -> ClosureSignatures<'tcx> { - let liberated_sig = self.tcx().liberate_late_bound_regions(expr_def_id, bound_sig); + let liberated_sig = + self.tcx().liberate_late_bound_regions(expr_def_id.to_def_id(), bound_sig); let liberated_sig = self.inh.normalize_associated_types_in( body.value.span, - body.value.hir_id, + self.tcx.hir().local_def_id_to_hir_id(expr_def_id), self.param_env, liberated_sig, ); diff --git a/compiler/rustc_hir_typeck/src/coercion.rs b/compiler/rustc_hir_typeck/src/coercion.rs index 71949b42118..174b4331382 100644 --- a/compiler/rustc_hir_typeck/src/coercion.rs +++ b/compiler/rustc_hir_typeck/src/coercion.rs @@ -55,7 +55,7 @@ use rustc_middle::ty::error::TypeError; use rustc_middle::ty::relate::RelateResult; use rustc_middle::ty::subst::SubstsRef; use rustc_middle::ty::visit::TypeVisitable; -use rustc_middle::ty::{self, ToPredicate, Ty, TypeAndMut}; +use rustc_middle::ty::{self, Ty, TypeAndMut}; use rustc_session::parse::feature_err; use rustc_span::symbol::sym; use rustc_span::{self, BytePos, DesugaringKind, Span}; @@ -278,13 +278,13 @@ impl<'f, 'tcx> Coerce<'f, 'tcx> { for &source_ty in &[a, b] { if source_ty != target_ty { obligations.push(Obligation::new( + self.tcx(), self.cause.clone(), self.param_env, ty::Binder::dummy(ty::PredicateKind::Coerce(ty::CoercePredicate { a: source_ty, b: target_ty, - })) - .to_predicate(self.tcx()), + })), )); } } @@ -669,7 +669,7 @@ impl<'f, 'tcx> Coerce<'f, 'tcx> { continue; } }; - match selcx.select(&obligation.with(trait_pred)) { + match selcx.select(&obligation.with(selcx.tcx(), trait_pred)) { // Uncertain or unimplemented. Ok(None) => { if trait_pred.def_id() == unsize_did { @@ -783,10 +783,11 @@ impl<'f, 'tcx> Coerce<'f, 'tcx> { // and then require that the resulting predicate (e.g., `usize: Clone`) // holds (it does). let predicate = predicate.with_self_ty(self.tcx, a); - Obligation::new(self.cause.clone(), self.param_env, predicate) + Obligation::new(self.tcx, self.cause.clone(), self.param_env, predicate) }) // Enforce the region bound (e.g., `usize: 'static`, in our example). .chain([Obligation::new( + self.tcx, self.cause.clone(), self.param_env, self.tcx.mk_predicate(ty::Binder::dummy(ty::PredicateKind::TypeOutlives( diff --git a/compiler/rustc_hir_typeck/src/expr.rs b/compiler/rustc_hir_typeck/src/expr.rs index e948d832e32..13a03b33de8 100644 --- a/compiler/rustc_hir_typeck/src/expr.rs +++ b/compiler/rustc_hir_typeck/src/expr.rs @@ -30,7 +30,7 @@ use rustc_hir::def::{CtorKind, DefKind, Res}; use rustc_hir::def_id::DefId; use rustc_hir::intravisit::Visitor; use rustc_hir::lang_items::LangItem; -use rustc_hir::{Closure, ExprKind, HirId, QPath}; +use rustc_hir::{ExprKind, HirId, QPath}; use rustc_hir_analysis::astconv::AstConv as _; use rustc_hir_analysis::check::ty_kind_suggestion; use rustc_infer::infer; @@ -324,9 +324,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ExprKind::Match(discrim, arms, match_src) => { self.check_match(expr, &discrim, arms, expected, match_src) } - ExprKind::Closure(&Closure { capture_clause, fn_decl, body, movability, .. }) => { - self.check_expr_closure(expr, capture_clause, &fn_decl, body, movability, expected) - } + ExprKind::Closure(closure) => self.check_expr_closure(closure, expr.span, expected), ExprKind::Block(body, _) => self.check_block_with_expected(&body, expected), ExprKind::Call(callee, args) => self.check_call(expr, &callee, args, expected), ExprKind::MethodCall(segment, receiver, args, _) => { diff --git a/compiler/rustc_hir_typeck/src/expr_use_visitor.rs b/compiler/rustc_hir_typeck/src/expr_use_visitor.rs index fce2a5888ba..275f7d12148 100644 --- a/compiler/rustc_hir_typeck/src/expr_use_visitor.rs +++ b/compiler/rustc_hir_typeck/src/expr_use_visitor.rs @@ -352,8 +352,8 @@ impl<'a, 'tcx> ExprUseVisitor<'a, 'tcx> { self.consume_expr(base); } - hir::ExprKind::Closure { .. } => { - self.walk_captures(expr); + hir::ExprKind::Closure(closure) => { + self.walk_captures(closure); } hir::ExprKind::Box(ref base) => { @@ -745,7 +745,7 @@ impl<'a, 'tcx> ExprUseVisitor<'a, 'tcx> { /// /// - When reporting the Place back to the Delegate, ensure that the UpvarId uses the enclosing /// closure as the DefId. - fn walk_captures(&mut self, closure_expr: &hir::Expr<'_>) { + fn walk_captures(&mut self, closure_expr: &hir::Closure<'_>) { fn upvar_is_local_variable<'tcx>( upvars: Option<&'tcx FxIndexMap<hir::HirId, hir::Upvar>>, upvar_id: hir::HirId, @@ -757,7 +757,7 @@ impl<'a, 'tcx> ExprUseVisitor<'a, 'tcx> { debug!("walk_captures({:?})", closure_expr); let tcx = self.tcx(); - let closure_def_id = tcx.hir().local_def_id(closure_expr.hir_id); + let closure_def_id = closure_expr.def_id; let upvars = tcx.upvars_mentioned(self.body_owner); // For purposes of this function, generator and closures are equivalent. @@ -829,10 +829,11 @@ impl<'a, 'tcx> ExprUseVisitor<'a, 'tcx> { // be a local variable PlaceBase::Local(*var_hir_id) }; + let closure_hir_id = tcx.hir().local_def_id_to_hir_id(closure_def_id); let place_with_id = PlaceWithHirId::new( - capture_info.path_expr_id.unwrap_or( - capture_info.capture_kind_expr_id.unwrap_or(closure_expr.hir_id), - ), + capture_info + .path_expr_id + .unwrap_or(capture_info.capture_kind_expr_id.unwrap_or(closure_hir_id)), place.base_ty, place_base, place.projections.clone(), diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs index c6bd771fad2..c826a886ca6 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs @@ -22,8 +22,7 @@ use rustc_middle::ty::error::TypeError; use rustc_middle::ty::fold::TypeFoldable; use rustc_middle::ty::visit::TypeVisitable; use rustc_middle::ty::{ - self, AdtKind, CanonicalUserType, DefIdTree, EarlyBinder, GenericParamDefKind, ToPredicate, Ty, - UserType, + self, AdtKind, CanonicalUserType, DefIdTree, EarlyBinder, GenericParamDefKind, Ty, UserType, }; use rustc_middle::ty::{GenericArgKind, InternalSubsts, SubstsRef, UserSelfTy, UserSubsts}; use rustc_session::lint; @@ -488,9 +487,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { match length { &hir::ArrayLen::Infer(_, span) => self.ct_infer(self.tcx.types.usize, None, span), hir::ArrayLen::Body(anon_const) => { - let const_def_id = self.tcx.hir().local_def_id(anon_const.hir_id); - let span = self.tcx.hir().span(anon_const.hir_id); - let c = ty::Const::from_anon_const(self.tcx, const_def_id); + let span = self.tcx.def_span(anon_const.def_id); + let c = ty::Const::from_anon_const(self.tcx, anon_const.def_id); self.register_wf_obligation(c.into(), span, ObligationCauseCode::WellFormed(None)); self.normalize_associated_types_in(span, c) } @@ -502,10 +500,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ast_c: &hir::AnonConst, param_def_id: DefId, ) -> ty::Const<'tcx> { - let const_def = ty::WithOptConstParam { - did: self.tcx.hir().local_def_id(ast_c.hir_id), - const_param_did: Some(param_def_id), - }; + let const_def = + ty::WithOptConstParam { did: ast_c.def_id, const_param_did: Some(param_def_id) }; let c = ty::Const::from_opt_const_arg_anon_const(self.tcx, const_def); self.register_wf_obligation( c.into(), @@ -562,9 +558,10 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // WF obligations never themselves fail, so no real need to give a detailed cause: let cause = traits::ObligationCause::new(span, self.body_id, code); self.register_predicate(traits::Obligation::new( + self.tcx, cause, self.param_env, - ty::Binder::dummy(ty::PredicateKind::WellFormed(arg)).to_predicate(self.tcx), + ty::Binder::dummy(ty::PredicateKind::WellFormed(arg)), )); } diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs index 8cf70eb5431..c3833b4872d 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs @@ -73,7 +73,6 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let ty = self.typeck_results.borrow().expr_ty_adjusted(expr); let ty = self.resolve_vars_if_possible(ty); if ty.has_non_region_infer() { - assert!(self.is_tainted_by_errors()); self.tcx.ty_error() } else { self.tcx.erase_regions(ty) @@ -2150,6 +2149,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ), ); let obligation = traits::Obligation::new( + self.tcx, traits::ObligationCause::dummy(), self.param_env, ty::Binder::dummy(ty::TraitPredicate { diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs index 06e6e4350fc..316ecb0ed52 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs @@ -1090,14 +1090,14 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { if let Some(into_def_id) = self.tcx.get_diagnostic_item(sym::Into) && self.predicate_must_hold_modulo_regions(&traits::Obligation::new( + self.tcx, self.misc(expr.span), self.param_env, ty::Binder::dummy(ty::TraitRef { def_id: into_def_id, substs: self.tcx.mk_substs_trait(expr_ty, &[expected_ty.into()]), }) - .to_poly_trait_predicate() - .to_predicate(self.tcx), + .to_poly_trait_predicate(), )) { let sugg = if expr.precedence().order() >= PREC_POSTFIX { diff --git a/compiler/rustc_hir_typeck/src/lib.rs b/compiler/rustc_hir_typeck/src/lib.rs index 183e80f2e08..6fd609aeaa0 100644 --- a/compiler/rustc_hir_typeck/src/lib.rs +++ b/compiler/rustc_hir_typeck/src/lib.rs @@ -251,7 +251,7 @@ fn typeck_with_fallback<'tcx>( param_env, fn_sig, ); - check_fn(&inh, param_env, fn_sig, decl, id, body, None).0 + check_fn(&inh, param_env, fn_sig, decl, def_id, body, None).0 } else { let fcx = FnCtxt::new(&inh, param_env, body.value.hir_id); let expected_type = body_ty diff --git a/compiler/rustc_hir_typeck/src/method/mod.rs b/compiler/rustc_hir_typeck/src/method/mod.rs index 3f390cba3e7..37336edd1fd 100644 --- a/compiler/rustc_hir_typeck/src/method/mod.rs +++ b/compiler/rustc_hir_typeck/src/method/mod.rs @@ -20,7 +20,7 @@ use rustc_hir::def_id::DefId; use rustc_infer::infer::{self, InferOk}; use rustc_middle::traits::ObligationCause; use rustc_middle::ty::subst::{InternalSubsts, SubstsRef}; -use rustc_middle::ty::{self, DefIdTree, GenericParamDefKind, ToPredicate, Ty, TypeVisitable}; +use rustc_middle::ty::{self, DefIdTree, GenericParamDefKind, Ty, TypeVisitable}; use rustc_span::symbol::Ident; use rustc_span::Span; use rustc_trait_selection::traits; @@ -293,10 +293,11 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let poly_trait_ref = ty::Binder::dummy(trait_ref); ( traits::Obligation::misc( + self.tcx, span, self.body_id, self.param_env, - poly_trait_ref.without_const().to_predicate(self.tcx), + poly_trait_ref.without_const(), ), substs, ) @@ -335,6 +336,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ( traits::Obligation::new( + self.tcx, traits::ObligationCause::new( span, self.body_id, @@ -346,7 +348,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { }, ), self.param_env, - poly_trait_ref.without_const().to_predicate(self.tcx), + poly_trait_ref.without_const(), ), substs, ) @@ -523,9 +525,10 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { method_ty, obligation ); obligations.push(traits::Obligation::new( + tcx, cause, self.param_env, - ty::Binder::dummy(ty::PredicateKind::WellFormed(method_ty.into())).to_predicate(tcx), + ty::Binder::dummy(ty::PredicateKind::WellFormed(method_ty.into())), )); let callee = MethodCallee { def_id, substs, sig: fn_sig }; diff --git a/compiler/rustc_hir_typeck/src/method/probe.rs b/compiler/rustc_hir_typeck/src/method/probe.rs index 46a76085189..9d75ccad133 100644 --- a/compiler/rustc_hir_typeck/src/method/probe.rs +++ b/compiler/rustc_hir_typeck/src/method/probe.rs @@ -19,7 +19,8 @@ use rustc_middle::middle::stability; use rustc_middle::ty::fast_reject::{simplify_type, TreatParams}; use rustc_middle::ty::AssocItem; use rustc_middle::ty::GenericParamDefKind; -use rustc_middle::ty::{self, ParamEnvAnd, ToPredicate, Ty, TyCtxt, TypeFoldable, TypeVisitable}; +use rustc_middle::ty::ToPredicate; +use rustc_middle::ty::{self, ParamEnvAnd, Ty, TyCtxt, TypeFoldable, TypeVisitable}; use rustc_middle::ty::{InternalSubsts, SubstsRef}; use rustc_session::lint; use rustc_span::def_id::DefId; @@ -1429,7 +1430,7 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { ) -> traits::SelectionResult<'tcx, traits::Selection<'tcx>> { let cause = traits::ObligationCause::misc(self.span, self.body_id); let predicate = ty::Binder::dummy(trait_ref).to_poly_trait_predicate(); - let obligation = traits::Obligation::new(cause, self.param_env, predicate); + let obligation = traits::Obligation::new(self.tcx, cause, self.param_env, predicate); traits::SelectionContext::new(self).select(&obligation) } @@ -1560,7 +1561,8 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { let predicate = ty::Binder::dummy(trait_ref).without_const().to_predicate(self.tcx); parent_pred = Some(predicate); - let obligation = traits::Obligation::new(cause, self.param_env, predicate); + let obligation = + traits::Obligation::new(self.tcx, cause, self.param_env, predicate); if !self.predicate_may_hold(&obligation) { result = ProbeResult::NoMatch; if self.probe(|_| { diff --git a/compiler/rustc_hir_typeck/src/method/suggest.rs b/compiler/rustc_hir_typeck/src/method/suggest.rs index 19f56c73823..e2c5edd0e88 100644 --- a/compiler/rustc_hir_typeck/src/method/suggest.rs +++ b/compiler/rustc_hir_typeck/src/method/suggest.rs @@ -23,7 +23,7 @@ use rustc_middle::traits::util::supertraits; use rustc_middle::ty::fast_reject::DeepRejectCtxt; use rustc_middle::ty::fast_reject::{simplify_type, TreatParams}; use rustc_middle::ty::print::with_crate_prefix; -use rustc_middle::ty::{self, DefIdTree, GenericArgKind, ToPredicate, Ty, TyCtxt, TypeVisitable}; +use rustc_middle::ty::{self, DefIdTree, GenericArgKind, Ty, TyCtxt, TypeVisitable}; use rustc_middle::ty::{IsSuggestable, ToPolyTraitRef}; use rustc_span::symbol::{kw, sym, Ident}; use rustc_span::Symbol; @@ -80,10 +80,11 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let trait_ref = ty::TraitRef::new(fn_once, fn_once_substs); let poly_trait_ref = ty::Binder::dummy(trait_ref); let obligation = Obligation::misc( + tcx, span, self.body_id, self.param_env, - poly_trait_ref.without_const().to_predicate(tcx), + poly_trait_ref.without_const(), ); self.predicate_may_hold(&obligation) }) diff --git a/compiler/rustc_hir_typeck/src/writeback.rs b/compiler/rustc_hir_typeck/src/writeback.rs index 1e26daa9c2c..2eca40d678a 100644 --- a/compiler/rustc_hir_typeck/src/writeback.rs +++ b/compiler/rustc_hir_typeck/src/writeback.rs @@ -514,7 +514,7 @@ impl<'cx, 'tcx> WritebackCx<'cx, 'tcx> { for (&def_id, c_sig) in fcx_typeck_results.user_provided_sigs.iter() { if cfg!(debug_assertions) && c_sig.needs_infer() { span_bug!( - self.fcx.tcx.hir().span_if_local(def_id).unwrap(), + self.fcx.tcx.def_span(def_id), "writeback: `{:?}` has inference variables", c_sig ); diff --git a/compiler/rustc_infer/src/infer/canonical/query_response.rs b/compiler/rustc_infer/src/infer/canonical/query_response.rs index a299a3e578d..34f54328230 100644 --- a/compiler/rustc_infer/src/infer/canonical/query_response.rs +++ b/compiler/rustc_infer/src/infer/canonical/query_response.rs @@ -581,9 +581,9 @@ impl<'tcx> InferCtxt<'tcx> { span_bug!(cause.span, "unexpected const outlives {:?}", predicate); } }; - let predicate = predicate.0.rebind(atom).to_predicate(self.tcx); + let predicate = predicate.0.rebind(atom); - Obligation::new(cause, param_env, predicate) + Obligation::new(self.tcx, cause, param_env, predicate) } /// Given two sets of values for the same set of canonical variables, unify them. diff --git a/compiler/rustc_infer/src/infer/combine.rs b/compiler/rustc_infer/src/infer/combine.rs index a973bf54b05..37f071a19ac 100644 --- a/compiler/rustc_infer/src/infer/combine.rs +++ b/compiler/rustc_infer/src/infer/combine.rs @@ -37,7 +37,7 @@ use rustc_middle::traits::ObligationCause; use rustc_middle::ty::error::{ExpectedFound, TypeError}; use rustc_middle::ty::relate::{self, Relate, RelateResult, TypeRelation}; use rustc_middle::ty::subst::SubstsRef; -use rustc_middle::ty::{self, InferConst, ToPredicate, Ty, TyCtxt, TypeVisitable}; +use rustc_middle::ty::{self, InferConst, Ty, TyCtxt, TypeVisitable}; use rustc_middle::ty::{IntType, UintType}; use rustc_span::{Span, DUMMY_SP}; @@ -347,10 +347,10 @@ impl<'infcx, 'tcx> CombineFields<'infcx, 'tcx> { if needs_wf { self.obligations.push(Obligation::new( + self.tcx(), self.trace.cause.clone(), self.param_env, - ty::Binder::dummy(ty::PredicateKind::WellFormed(b_ty.into())) - .to_predicate(self.infcx.tcx), + ty::Binder::dummy(ty::PredicateKind::WellFormed(b_ty.into())), )); } @@ -444,9 +444,10 @@ impl<'infcx, 'tcx> CombineFields<'infcx, 'tcx> { ty::PredicateKind::ConstEquate(b, a) }; self.obligations.push(Obligation::new( + self.tcx(), self.trace.cause.clone(), self.param_env, - ty::Binder::dummy(predicate).to_predicate(self.tcx()), + ty::Binder::dummy(predicate), )); } } diff --git a/compiler/rustc_infer/src/infer/opaque_types.rs b/compiler/rustc_infer/src/infer/opaque_types.rs index a982f11f718..1fa95f8d62a 100644 --- a/compiler/rustc_infer/src/infer/opaque_types.rs +++ b/compiler/rustc_infer/src/infer/opaque_types.rs @@ -595,7 +595,12 @@ impl<'tcx> InferCtxt<'tcx> { } // Require that the predicate holds for the concrete type. debug!(?predicate); - obligations.push(traits::Obligation::new(cause.clone(), param_env, predicate)); + obligations.push(traits::Obligation::new( + self.tcx, + cause.clone(), + param_env, + predicate, + )); } Ok(InferOk { value: (), obligations }) } diff --git a/compiler/rustc_infer/src/infer/projection.rs b/compiler/rustc_infer/src/infer/projection.rs index 9f12bc972a8..eb6deee291c 100644 --- a/compiler/rustc_infer/src/infer/projection.rs +++ b/compiler/rustc_infer/src/infer/projection.rs @@ -1,5 +1,5 @@ use rustc_middle::traits::ObligationCause; -use rustc_middle::ty::{self, ToPredicate, Ty}; +use rustc_middle::ty::{self, Ty}; use crate::traits::{Obligation, PredicateObligation}; @@ -28,12 +28,8 @@ impl<'tcx> InferCtxt<'tcx> { }); let projection = ty::Binder::dummy(ty::ProjectionPredicate { projection_ty, term: ty_var.into() }); - let obligation = Obligation::with_depth( - cause, - recursion_depth, - param_env, - projection.to_predicate(self.tcx), - ); + let obligation = + Obligation::with_depth(self.tcx, cause, recursion_depth, param_env, projection); obligations.push(obligation); ty_var } diff --git a/compiler/rustc_infer/src/infer/sub.rs b/compiler/rustc_infer/src/infer/sub.rs index 97354ba5d1b..8c8445a4d9e 100644 --- a/compiler/rustc_infer/src/infer/sub.rs +++ b/compiler/rustc_infer/src/infer/sub.rs @@ -6,7 +6,7 @@ use crate::traits::Obligation; use rustc_middle::ty::relate::{Cause, Relate, RelateResult, TypeRelation}; use rustc_middle::ty::visit::TypeVisitable; use rustc_middle::ty::TyVar; -use rustc_middle::ty::{self, ToPredicate, Ty, TyCtxt}; +use rustc_middle::ty::{self, Ty, TyCtxt}; use std::mem; /// Ensures `a` is made a subtype of `b`. Returns `a` on success. @@ -95,14 +95,14 @@ impl<'tcx> TypeRelation<'tcx> for Sub<'_, '_, 'tcx> { // can't make progress on `A <: B` if both A and B are // type variables, so record an obligation. self.fields.obligations.push(Obligation::new( + self.tcx(), self.fields.trace.cause.clone(), self.fields.param_env, ty::Binder::dummy(ty::PredicateKind::Subtype(ty::SubtypePredicate { a_is_expected: self.a_is_expected, a, b, - })) - .to_predicate(self.tcx()), + })), )); Ok(a) diff --git a/compiler/rustc_infer/src/traits/mod.rs b/compiler/rustc_infer/src/traits/mod.rs index c8600ded987..a9e6241bf6b 100644 --- a/compiler/rustc_infer/src/traits/mod.rs +++ b/compiler/rustc_infer/src/traits/mod.rs @@ -10,7 +10,7 @@ pub mod util; use rustc_hir as hir; use rustc_middle::ty::error::{ExpectedFound, TypeError}; -use rustc_middle::ty::{self, Const, Ty, TyCtxt}; +use rustc_middle::ty::{self, Const, ToPredicate, Ty, TyCtxt}; use rustc_span::Span; pub use self::FulfillmentErrorCode::*; @@ -124,38 +124,41 @@ pub enum FulfillmentErrorCode<'tcx> { impl<'tcx, O> Obligation<'tcx, O> { pub fn new( + tcx: TyCtxt<'tcx>, cause: ObligationCause<'tcx>, param_env: ty::ParamEnv<'tcx>, - predicate: O, + predicate: impl ToPredicate<'tcx, O>, ) -> Obligation<'tcx, O> { - Obligation { cause, param_env, recursion_depth: 0, predicate } + Self::with_depth(tcx, cause, 0, param_env, predicate) } pub fn with_depth( + tcx: TyCtxt<'tcx>, cause: ObligationCause<'tcx>, recursion_depth: usize, param_env: ty::ParamEnv<'tcx>, - predicate: O, + predicate: impl ToPredicate<'tcx, O>, ) -> Obligation<'tcx, O> { + let predicate = predicate.to_predicate(tcx); Obligation { cause, param_env, recursion_depth, predicate } } pub fn misc( + tcx: TyCtxt<'tcx>, span: Span, body_id: hir::HirId, param_env: ty::ParamEnv<'tcx>, - trait_ref: O, + trait_ref: impl ToPredicate<'tcx, O>, ) -> Obligation<'tcx, O> { - Obligation::new(ObligationCause::misc(span, body_id), param_env, trait_ref) + Obligation::new(tcx, ObligationCause::misc(span, body_id), param_env, trait_ref) } - pub fn with<P>(&self, value: P) -> Obligation<'tcx, P> { - Obligation { - cause: self.cause.clone(), - param_env: self.param_env, - recursion_depth: self.recursion_depth, - predicate: value, - } + pub fn with<P>( + &self, + tcx: TyCtxt<'tcx>, + value: impl ToPredicate<'tcx, P>, + ) -> Obligation<'tcx, P> { + Obligation::with_depth(tcx, self.cause.clone(), self.recursion_depth, self.param_env, value) } } diff --git a/compiler/rustc_lint/src/builtin.rs b/compiler/rustc_lint/src/builtin.rs index 253ff1f793c..c2d0a662ddb 100644 --- a/compiler/rustc_lint/src/builtin.rs +++ b/compiler/rustc_lint/src/builtin.rs @@ -186,9 +186,8 @@ impl<'tcx> LateLintPass<'tcx> for BoxPointers { // If it's a struct, we also have to check the fields' types match it.kind { hir::ItemKind::Struct(ref struct_def, _) | hir::ItemKind::Union(ref struct_def, _) => { - for struct_field in struct_def.fields() { - let def_id = cx.tcx.hir().local_def_id(struct_field.hir_id); - self.check_heap_type(cx, struct_field.span, cx.tcx.type_of(def_id)); + for field in struct_def.fields() { + self.check_heap_type(cx, field.span, cx.tcx.type_of(field.def_id)); } } _ => (), @@ -674,13 +673,12 @@ impl<'tcx> LateLintPass<'tcx> for MissingDoc { fn check_field_def(&mut self, cx: &LateContext<'_>, sf: &hir::FieldDef<'_>) { if !sf.is_positional() { - let def_id = cx.tcx.hir().local_def_id(sf.hir_id); - self.check_missing_docs_attrs(cx, def_id, "a", "struct field") + self.check_missing_docs_attrs(cx, sf.def_id, "a", "struct field") } } fn check_variant(&mut self, cx: &LateContext<'_>, v: &hir::Variant<'_>) { - self.check_missing_docs_attrs(cx, cx.tcx.hir().local_def_id(v.id), "a", "variant"); + self.check_missing_docs_attrs(cx, v.def_id, "a", "variant"); } } @@ -1425,11 +1423,10 @@ impl<'tcx> LateLintPass<'tcx> for UnreachablePub { fn check_field_def(&mut self, cx: &LateContext<'_>, field: &hir::FieldDef<'_>) { let map = cx.tcx.hir(); - let def_id = map.local_def_id(field.hir_id); if matches!(map.get(map.get_parent_node(field.hir_id)), Node::Variant(_)) { return; } - self.perform_lint(cx, "field", def_id, field.vis_span, false); + self.perform_lint(cx, "field", field.def_id, field.vis_span, false); } fn check_impl_item(&mut self, cx: &LateContext<'_>, impl_item: &hir::ImplItem<'_>) { diff --git a/compiler/rustc_lint/src/late.rs b/compiler/rustc_lint/src/late.rs index 303fcb1a1d1..f484e31ba15 100644 --- a/compiler/rustc_lint/src/late.rs +++ b/compiler/rustc_lint/src/late.rs @@ -205,7 +205,7 @@ impl<'tcx, T: LateLintPass<'tcx>> hir_visit::Visitor<'tcx> for LateContextAndPas } fn visit_variant(&mut self, v: &'tcx hir::Variant<'tcx>) { - self.with_lint_attrs(v.id, |cx| { + self.with_lint_attrs(v.hir_id, |cx| { lint_callback!(cx, check_variant, v); hir_visit::walk_variant(cx, v); }) diff --git a/compiler/rustc_lint/src/levels.rs b/compiler/rustc_lint/src/levels.rs index efae2669006..847c356b83c 100644 --- a/compiler/rustc_lint/src/levels.rs +++ b/compiler/rustc_lint/src/levels.rs @@ -320,7 +320,7 @@ impl<'tcx> Visitor<'tcx> for LintLevelsBuilder<'_, LintLevelQueryMap<'tcx>> { } fn visit_variant(&mut self, v: &'tcx hir::Variant<'tcx>) { - self.add_id(v.id); + self.add_id(v.hir_id); intravisit::walk_variant(self, v); } @@ -392,7 +392,7 @@ impl<'tcx> Visitor<'tcx> for LintLevelsBuilder<'_, QueryMapExpectationsWrapper<' } fn visit_variant(&mut self, v: &'tcx hir::Variant<'tcx>) { - self.add_id(v.id); + self.add_id(v.hir_id); intravisit::walk_variant(self, v); } diff --git a/compiler/rustc_lint/src/opaque_hidden_inferred_bound.rs b/compiler/rustc_lint/src/opaque_hidden_inferred_bound.rs index 619582c0539..7e0a8a0df16 100644 --- a/compiler/rustc_lint/src/opaque_hidden_inferred_bound.rs +++ b/compiler/rustc_lint/src/opaque_hidden_inferred_bound.rs @@ -108,6 +108,7 @@ impl<'tcx> LateLintPass<'tcx> for OpaqueHiddenInferredBound { // then we must've taken advantage of the hack in `project_and_unify_types` where // we replace opaques with inference vars. Emit a warning! if !infcx.predicate_must_hold_modulo_regions(&traits::Obligation::new( + cx.tcx, traits::ObligationCause::dummy(), cx.param_env, assoc_pred, diff --git a/compiler/rustc_lint/src/unused.rs b/compiler/rustc_lint/src/unused.rs index 34b41f55aec..50f9cb0b56f 100644 --- a/compiler/rustc_lint/src/unused.rs +++ b/compiler/rustc_lint/src/unused.rs @@ -533,16 +533,14 @@ trait UnusedDelimLint { right_pos: Option<BytePos>, ) { let spans = match value.kind { - ast::ExprKind::Block(ref block, None) if block.stmts.len() > 0 => { - let start = block.stmts[0].span; - let end = block.stmts[block.stmts.len() - 1].span; - if let Some(start) = start.find_ancestor_inside(value.span) - && let Some(end) = end.find_ancestor_inside(value.span) + ast::ExprKind::Block(ref block, None) if block.stmts.len() == 1 => { + if let StmtKind::Expr(expr) = &block.stmts[0].kind + && let ExprKind::Err = expr.kind { - Some(( - value.span.with_hi(start.lo()), - value.span.with_lo(end.hi()), - )) + return + } + if let Some(span) = block.stmts[0].span.find_ancestor_inside(value.span) { + Some((value.span.with_hi(span.lo()), value.span.with_lo(span.hi()))) } else { None } diff --git a/compiler/rustc_metadata/src/rmeta/encoder.rs b/compiler/rustc_metadata/src/rmeta/encoder.rs index 6a73e14e9f5..e09ac968b60 100644 --- a/compiler/rustc_metadata/src/rmeta/encoder.rs +++ b/compiler/rustc_metadata/src/rmeta/encoder.rs @@ -1558,9 +1558,7 @@ impl<'a, 'tcx> EncodeContext<'a, 'tcx> { // Encode def_ids for each field and method // for methods, write all the stuff get_trait_method // needs to know - let ctor = struct_def - .ctor_hir_id() - .map(|ctor_hir_id| self.tcx.hir().local_def_id(ctor_hir_id).local_def_index); + let ctor = struct_def.ctor_def_id().map(|ctor_def_id| ctor_def_id.local_def_index); let variant = adt_def.non_enum_variant(); record!(self.tables.variant_data[def_id] <- VariantData { @@ -1685,8 +1683,7 @@ impl<'a, 'tcx> EncodeContext<'a, 'tcx> { hir::ItemKind::Struct(ref struct_def, _) => { let def = self.tcx.adt_def(item.owner_id.to_def_id()); // If the struct has a constructor, encode it. - if let Some(ctor_hir_id) = struct_def.ctor_hir_id() { - let ctor_def_id = self.tcx.hir().local_def_id(ctor_hir_id); + if let Some(ctor_def_id) = struct_def.ctor_def_id() { self.encode_struct_ctor(def, ctor_def_id.to_def_id()); } } @@ -1708,12 +1705,12 @@ impl<'a, 'tcx> EncodeContext<'a, 'tcx> { } } - fn encode_info_for_closure(&mut self, hir_id: hir::HirId) { - let def_id = self.tcx.hir().local_def_id(hir_id); - debug!("EncodeContext::encode_info_for_closure({:?})", def_id); + #[instrument(level = "debug", skip(self))] + fn encode_info_for_closure(&mut self, def_id: LocalDefId) { // NOTE(eddyb) `tcx.type_of(def_id)` isn't used because it's fully generic, // including on the signature, which is inferred in `typeck. let typeck_result: &'tcx ty::TypeckResults<'tcx> = self.tcx.typeck(def_id); + let hir_id = self.tcx.hir().local_def_id_to_hir_id(def_id); let ty = typeck_result.node_type(hir_id); match ty.kind() { ty::Generator(..) => { @@ -2101,11 +2098,10 @@ impl<'a, 'tcx> Visitor<'tcx> for EncodeContext<'a, 'tcx> { impl<'a, 'tcx> EncodeContext<'a, 'tcx> { fn encode_info_for_generics(&mut self, generics: &hir::Generics<'tcx>) { for param in generics.params { - let def_id = self.tcx.hir().local_def_id(param.hir_id); match param.kind { hir::GenericParamKind::Lifetime { .. } | hir::GenericParamKind::Type { .. } => {} hir::GenericParamKind::Const { ref default, .. } => { - let def_id = def_id.to_def_id(); + let def_id = param.def_id.to_def_id(); if default.is_some() { record!(self.tables.const_param_default[def_id] <- self.tcx.const_param_default(def_id)) } @@ -2115,8 +2111,8 @@ impl<'a, 'tcx> EncodeContext<'a, 'tcx> { } fn encode_info_for_expr(&mut self, expr: &hir::Expr<'_>) { - if let hir::ExprKind::Closure { .. } = expr.kind { - self.encode_info_for_closure(expr.hir_id); + if let hir::ExprKind::Closure(closure) = expr.kind { + self.encode_info_for_closure(closure.def_id); } } } diff --git a/compiler/rustc_middle/src/hir/map/mod.rs b/compiler/rustc_middle/src/hir/map/mod.rs index 14f50ae87de..e14ea7be9cf 100644 --- a/compiler/rustc_middle/src/hir/map/mod.rs +++ b/compiler/rustc_middle/src/hir/map/mod.rs @@ -1086,10 +1086,10 @@ impl<'hir> Map<'hir> { /// Returns the HirId of `N` in `struct Foo<const N: usize = { ... }>` when /// called with the HirId for the `{ ... }` anon const - pub fn opt_const_param_default_param_hir_id(self, anon_const: HirId) -> Option<HirId> { + pub fn opt_const_param_default_param_def_id(self, anon_const: HirId) -> Option<LocalDefId> { match self.get(self.get_parent_node(anon_const)) { Node::GenericParam(GenericParam { - hir_id: param_id, + def_id: param_id, kind: GenericParamKind::Const { .. }, .. }) => Some(*param_id), @@ -1198,20 +1198,7 @@ fn upstream_crates(tcx: TyCtxt<'_>) -> Vec<(StableCrateId, Svh)> { fn hir_id_to_string(map: Map<'_>, id: HirId) -> String { let id_str = format!(" (hir_id={})", id); - let path_str = || { - // This functionality is used for debugging, try to use `TyCtxt` to get - // the user-friendly path, otherwise fall back to stringifying `DefPath`. - crate::ty::tls::with_opt(|tcx| { - if let Some(tcx) = tcx { - let def_id = map.local_def_id(id); - tcx.def_path_str(def_id.to_def_id()) - } else if let Some(path) = map.def_path_from_hir_id(id) { - path.data.into_iter().map(|elem| elem.to_string()).collect::<Vec<_>>().join("::") - } else { - String::from("<missing path>") - } - }) - }; + let path_str = |def_id: LocalDefId| map.tcx.def_path_str(def_id.to_def_id()); let span_str = || map.tcx.sess.source_map().span_to_snippet(map.span(id)).unwrap_or_default(); let node_str = |prefix| format!("{} {}{}", prefix, span_str(), id_str); @@ -1243,18 +1230,19 @@ fn hir_id_to_string(map: Map<'_>, id: HirId) -> String { ItemKind::TraitAlias(..) => "trait alias", ItemKind::Impl { .. } => "impl", }; - format!("{} {}{}", item_str, path_str(), id_str) + format!("{} {}{}", item_str, path_str(item.owner_id.def_id), id_str) + } + Some(Node::ForeignItem(item)) => { + format!("foreign item {}{}", path_str(item.owner_id.def_id), id_str) + } + Some(Node::ImplItem(ii)) => { + let kind = match ii.kind { + ImplItemKind::Const(..) => "assoc const", + ImplItemKind::Fn(..) => "method", + ImplItemKind::Type(_) => "assoc type", + }; + format!("{} {} in {}{}", kind, ii.ident, path_str(ii.owner_id.def_id), id_str) } - Some(Node::ForeignItem(_)) => format!("foreign item {}{}", path_str(), id_str), - Some(Node::ImplItem(ii)) => match ii.kind { - ImplItemKind::Const(..) => { - format!("assoc const {} in {}{}", ii.ident, path_str(), id_str) - } - ImplItemKind::Fn(..) => format!("method {} in {}{}", ii.ident, path_str(), id_str), - ImplItemKind::Type(_) => { - format!("assoc type {} in {}{}", ii.ident, path_str(), id_str) - } - }, Some(Node::TraitItem(ti)) => { let kind = match ti.kind { TraitItemKind::Const(..) => "assoc constant", @@ -1262,13 +1250,13 @@ fn hir_id_to_string(map: Map<'_>, id: HirId) -> String { TraitItemKind::Type(..) => "assoc type", }; - format!("{} {} in {}{}", kind, ti.ident, path_str(), id_str) + format!("{} {} in {}{}", kind, ti.ident, path_str(ti.owner_id.def_id), id_str) } Some(Node::Variant(ref variant)) => { - format!("variant {} in {}{}", variant.ident, path_str(), id_str) + format!("variant {} in {}{}", variant.ident, path_str(variant.def_id), id_str) } Some(Node::Field(ref field)) => { - format!("field {} in {}{}", field.ident, path_str(), id_str) + format!("field {} in {}{}", field.ident, path_str(field.def_id), id_str) } Some(Node::AnonConst(_)) => node_str("const"), Some(Node::Expr(_)) => node_str("expr"), @@ -1285,9 +1273,15 @@ fn hir_id_to_string(map: Map<'_>, id: HirId) -> String { Some(Node::Block(_)) => node_str("block"), Some(Node::Infer(_)) => node_str("infer"), Some(Node::Local(_)) => node_str("local"), - Some(Node::Ctor(..)) => format!("ctor {}{}", path_str(), id_str), + Some(Node::Ctor(ctor)) => format!( + "ctor {}{}", + ctor.ctor_def_id().map_or("<missing path>".into(), |def_id| path_str(def_id)), + id_str + ), Some(Node::Lifetime(_)) => node_str("lifetime"), - Some(Node::GenericParam(ref param)) => format!("generic_param {:?}{}", param, id_str), + Some(Node::GenericParam(ref param)) => { + format!("generic_param {}{}", path_str(param.def_id), id_str) + } Some(Node::Crate(..)) => String::from("root_crate"), None => format!("unknown node{}", id_str), } @@ -1407,13 +1401,13 @@ impl<'hir> Visitor<'hir> for ItemCollector<'hir> { } fn visit_anon_const(&mut self, c: &'hir AnonConst) { - self.body_owners.push(self.tcx.hir().local_def_id(c.hir_id)); + self.body_owners.push(c.def_id); intravisit::walk_anon_const(self, c) } fn visit_expr(&mut self, ex: &'hir Expr<'hir>) { - if matches!(ex.kind, ExprKind::Closure { .. }) { - self.body_owners.push(self.tcx.hir().local_def_id(ex.hir_id)); + if let ExprKind::Closure(closure) = ex.kind { + self.body_owners.push(closure.def_id); } intravisit::walk_expr(self, ex) } diff --git a/compiler/rustc_middle/src/mir/mod.rs b/compiler/rustc_middle/src/mir/mod.rs index 63f5678d3c8..e0a786e201a 100644 --- a/compiler/rustc_middle/src/mir/mod.rs +++ b/compiler/rustc_middle/src/mir/mod.rs @@ -10,7 +10,7 @@ use crate::ty::codec::{TyDecoder, TyEncoder}; use crate::ty::fold::{FallibleTypeFolder, TypeFoldable}; use crate::ty::print::{FmtPrinter, Printer}; use crate::ty::visit::{TypeVisitable, TypeVisitor}; -use crate::ty::{self, List, Ty, TyCtxt}; +use crate::ty::{self, DefIdTree, List, Ty, TyCtxt}; use crate::ty::{AdtDef, InstanceDef, ScalarInt, UserTypeAnnotationIndex}; use crate::ty::{GenericArg, InternalSubsts, SubstsRef}; @@ -2523,12 +2523,10 @@ impl<'tcx> ConstantKind<'tcx> { ExprKind::Path(QPath::Resolved(_, &Path { res: Res::Def(ConstParam, def_id), .. })) => { // Find the name and index of the const parameter by indexing the generics of // the parent item and construct a `ParamConst`. - let hir_id = tcx.hir().local_def_id_to_hir_id(def_id.expect_local()); - let item_id = tcx.hir().get_parent_node(hir_id); - let item_def_id = tcx.hir().local_def_id(item_id); - let generics = tcx.generics_of(item_def_id.to_def_id()); + let item_def_id = tcx.parent(def_id); + let generics = tcx.generics_of(item_def_id); let index = generics.param_def_id_to_index[&def_id]; - let name = tcx.hir().name(hir_id); + let name = tcx.item_name(def_id); let ty_const = tcx.mk_const(ty::ConstKind::Param(ty::ParamConst::new(index, name)), ty); debug!(?ty_const); diff --git a/compiler/rustc_middle/src/ty/consts.rs b/compiler/rustc_middle/src/ty/consts.rs index e2e2761501b..37153a63944 100644 --- a/compiler/rustc_middle/src/ty/consts.rs +++ b/compiler/rustc_middle/src/ty/consts.rs @@ -1,6 +1,6 @@ use crate::mir::interpret::LitToConstInput; use crate::mir::ConstantKind; -use crate::ty::{self, InternalSubsts, ParamEnv, ParamEnvAnd, Ty, TyCtxt}; +use crate::ty::{self, DefIdTree, InternalSubsts, ParamEnv, ParamEnvAnd, Ty, TyCtxt}; use rustc_data_structures::intern::Interned; use rustc_hir as hir; use rustc_hir::def_id::{DefId, LocalDefId}; @@ -131,12 +131,10 @@ impl<'tcx> Const<'tcx> { ExprKind::Path(QPath::Resolved(_, &Path { res: Res::Def(ConstParam, def_id), .. })) => { // Find the name and index of the const parameter by indexing the generics of // the parent item and construct a `ParamConst`. - let hir_id = tcx.hir().local_def_id_to_hir_id(def_id.expect_local()); - let item_id = tcx.hir().get_parent_node(hir_id); - let item_def_id = tcx.hir().local_def_id(item_id); - let generics = tcx.generics_of(item_def_id.to_def_id()); + let item_def_id = tcx.parent(def_id); + let generics = tcx.generics_of(item_def_id); let index = generics.param_def_id_to_index[&def_id]; - let name = tcx.hir().name(hir_id); + let name = tcx.item_name(def_id); Some(tcx.mk_const(ty::ConstKind::Param(ty::ParamConst::new(index, name)), ty)) } _ => None, @@ -268,9 +266,9 @@ impl<'tcx> Const<'tcx> { pub fn const_param_default<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> Const<'tcx> { let default_def_id = match tcx.hir().get_by_def_id(def_id.expect_local()) { hir::Node::GenericParam(hir::GenericParam { - kind: hir::GenericParamKind::Const { ty: _, default: Some(ac) }, + kind: hir::GenericParamKind::Const { default: Some(ac), .. }, .. - }) => tcx.hir().local_def_id(ac.hir_id), + }) => ac.def_id, _ => span_bug!( tcx.def_span(def_id), "`const_param_default` expected a generic parameter with a constant" diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index 8f96f5a9eb3..1c714f59425 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -41,7 +41,7 @@ use rustc_errors::{ }; use rustc_hir as hir; use rustc_hir::def::{DefKind, Res}; -use rustc_hir::def_id::{CrateNum, DefId, DefIdMap, LocalDefId, LOCAL_CRATE}; +use rustc_hir::def_id::{CrateNum, DefId, LocalDefId, LocalDefIdMap, LOCAL_CRATE}; use rustc_hir::definitions::Definitions; use rustc_hir::hir_id::OwnerId; use rustc_hir::intravisit::Visitor; @@ -443,7 +443,7 @@ pub struct TypeckResults<'tcx> { /// Stores the canonicalized types provided by the user. See also /// `AscribeUserType` statement in MIR. - pub user_provided_sigs: DefIdMap<CanonicalPolyFnSig<'tcx>>, + pub user_provided_sigs: LocalDefIdMap<CanonicalPolyFnSig<'tcx>>, adjustments: ItemLocalMap<Vec<ty::adjustment::Adjustment<'tcx>>>, diff --git a/compiler/rustc_middle/src/ty/diagnostics.rs b/compiler/rustc_middle/src/ty/diagnostics.rs index b8fd01e6a77..029ee15d68d 100644 --- a/compiler/rustc_middle/src/ty/diagnostics.rs +++ b/compiler/rustc_middle/src/ty/diagnostics.rs @@ -151,7 +151,6 @@ enum SuggestChangingConstraintsMessage<'a> { } fn suggest_removing_unsized_bound( - tcx: TyCtxt<'_>, generics: &hir::Generics<'_>, suggestions: &mut Vec<(Span, String, SuggestChangingConstraintsMessage<'_>)>, param: &hir::GenericParam<'_>, @@ -160,17 +159,16 @@ fn suggest_removing_unsized_bound( // See if there's a `?Sized` bound that can be removed to suggest that. // First look at the `where` clause because we can have `where T: ?Sized`, // then look at params. - let param_def_id = tcx.hir().local_def_id(param.hir_id); for (where_pos, predicate) in generics.predicates.iter().enumerate() { let WherePredicate::BoundPredicate(predicate) = predicate else { continue; }; - if !predicate.is_param_bound(param_def_id.to_def_id()) { + if !predicate.is_param_bound(param.def_id.to_def_id()) { continue; }; for (pos, bound) in predicate.bounds.iter().enumerate() { - let hir::GenericBound::Trait(poly, hir::TraitBoundModifier::Maybe) = bound else { + let hir::GenericBound::Trait(poly, hir::TraitBoundModifier::Maybe) = bound else { continue; }; if poly.trait_ref.trait_def_id() != def_id { @@ -232,7 +230,7 @@ pub fn suggest_constraining_type_params<'a>( param.span, &format!("this type parameter needs to be `{}`", constraint), ); - suggest_removing_unsized_bound(tcx, generics, &mut suggestions, param, def_id); + suggest_removing_unsized_bound(generics, &mut suggestions, param, def_id); } } @@ -283,8 +281,7 @@ pub fn suggest_constraining_type_params<'a>( // -- // | // replace with: `T: Bar +` - let param_def_id = tcx.hir().local_def_id(param.hir_id); - if let Some(span) = generics.bounds_span_for_suggestions(param_def_id) { + if let Some(span) = generics.bounds_span_for_suggestions(param.def_id) { suggest_restrict(span, true); continue; } diff --git a/compiler/rustc_middle/src/ty/mod.rs b/compiler/rustc_middle/src/ty/mod.rs index 18eb06b83c9..f9a762261e2 100644 --- a/compiler/rustc_middle/src/ty/mod.rs +++ b/compiler/rustc_middle/src/ty/mod.rs @@ -1125,42 +1125,42 @@ impl<'tcx> ToPolyTraitRef<'tcx> for PolyTraitPredicate<'tcx> { } } -pub trait ToPredicate<'tcx> { - fn to_predicate(self, tcx: TyCtxt<'tcx>) -> Predicate<'tcx>; +pub trait ToPredicate<'tcx, Predicate> { + fn to_predicate(self, tcx: TyCtxt<'tcx>) -> Predicate; } -impl<'tcx> ToPredicate<'tcx> for Predicate<'tcx> { - fn to_predicate(self, _tcx: TyCtxt<'tcx>) -> Predicate<'tcx> { +impl<'tcx, T> ToPredicate<'tcx, T> for T { + fn to_predicate(self, _tcx: TyCtxt<'tcx>) -> T { self } } -impl<'tcx> ToPredicate<'tcx> for Binder<'tcx, PredicateKind<'tcx>> { +impl<'tcx> ToPredicate<'tcx, Predicate<'tcx>> for Binder<'tcx, PredicateKind<'tcx>> { #[inline(always)] fn to_predicate(self, tcx: TyCtxt<'tcx>) -> Predicate<'tcx> { tcx.mk_predicate(self) } } -impl<'tcx> ToPredicate<'tcx> for PolyTraitPredicate<'tcx> { +impl<'tcx> ToPredicate<'tcx, Predicate<'tcx>> for PolyTraitPredicate<'tcx> { fn to_predicate(self, tcx: TyCtxt<'tcx>) -> Predicate<'tcx> { self.map_bound(PredicateKind::Trait).to_predicate(tcx) } } -impl<'tcx> ToPredicate<'tcx> for PolyRegionOutlivesPredicate<'tcx> { +impl<'tcx> ToPredicate<'tcx, Predicate<'tcx>> for PolyRegionOutlivesPredicate<'tcx> { fn to_predicate(self, tcx: TyCtxt<'tcx>) -> Predicate<'tcx> { self.map_bound(PredicateKind::RegionOutlives).to_predicate(tcx) } } -impl<'tcx> ToPredicate<'tcx> for PolyTypeOutlivesPredicate<'tcx> { +impl<'tcx> ToPredicate<'tcx, Predicate<'tcx>> for PolyTypeOutlivesPredicate<'tcx> { fn to_predicate(self, tcx: TyCtxt<'tcx>) -> Predicate<'tcx> { self.map_bound(PredicateKind::TypeOutlives).to_predicate(tcx) } } -impl<'tcx> ToPredicate<'tcx> for PolyProjectionPredicate<'tcx> { +impl<'tcx> ToPredicate<'tcx, Predicate<'tcx>> for PolyProjectionPredicate<'tcx> { fn to_predicate(self, tcx: TyCtxt<'tcx>) -> Predicate<'tcx> { self.map_bound(PredicateKind::Projection).to_predicate(tcx) } diff --git a/compiler/rustc_mir_build/src/thir/cx/expr.rs b/compiler/rustc_mir_build/src/thir/cx/expr.rs index c4639d3a513..57382f5e1bd 100644 --- a/compiler/rustc_mir_build/src/thir/cx/expr.rs +++ b/compiler/rustc_mir_build/src/thir/cx/expr.rs @@ -608,24 +608,22 @@ impl<'tcx> Cx<'tcx> { out_expr: out_expr.as_ref().map(|expr| self.mirror_expr(expr)), }, hir::InlineAsmOperand::Const { ref anon_const } => { - let anon_const_def_id = tcx.hir().local_def_id(anon_const.hir_id); let value = mir::ConstantKind::from_anon_const( tcx, - anon_const_def_id, + anon_const.def_id, self.param_env, ); - let span = tcx.hir().span(anon_const.hir_id); + let span = tcx.def_span(anon_const.def_id); InlineAsmOperand::Const { value, span } } hir::InlineAsmOperand::SymFn { ref anon_const } => { - let anon_const_def_id = tcx.hir().local_def_id(anon_const.hir_id); let value = mir::ConstantKind::from_anon_const( tcx, - anon_const_def_id, + anon_const.def_id, self.param_env, ); - let span = tcx.hir().span(anon_const.hir_id); + let span = tcx.def_span(anon_const.def_id); InlineAsmOperand::SymFn { value, span } } @@ -640,7 +638,7 @@ impl<'tcx> Cx<'tcx> { hir::ExprKind::ConstBlock(ref anon_const) => { let ty = self.typeck_results().node_type(anon_const.hir_id); - let did = tcx.hir().local_def_id(anon_const.hir_id).to_def_id(); + let did = anon_const.def_id.to_def_id(); let typeck_root_def_id = tcx.typeck_root_def_id(did); let parent_substs = tcx.erase_regions(InternalSubsts::identity_for_item(tcx, typeck_root_def_id)); @@ -859,9 +857,7 @@ impl<'tcx> Cx<'tcx> { Res::Def(DefKind::ConstParam, def_id) => { let hir_id = self.tcx.hir().local_def_id_to_hir_id(def_id.expect_local()); - let item_id = self.tcx.hir().get_parent_node(hir_id); - let item_def_id = self.tcx.hir().local_def_id(item_id); - let generics = self.tcx.generics_of(item_def_id); + let generics = self.tcx.generics_of(hir_id.owner); let index = generics.param_def_id_to_index[&def_id]; let name = self.tcx.hir().name(hir_id); let param = ty::ParamConst::new(index, name); diff --git a/compiler/rustc_mir_build/src/thir/pattern/mod.rs b/compiler/rustc_mir_build/src/thir/pattern/mod.rs index 80b532aec6c..4b6608faba6 100644 --- a/compiler/rustc_mir_build/src/thir/pattern/mod.rs +++ b/compiler/rustc_mir_build/src/thir/pattern/mod.rs @@ -565,8 +565,7 @@ impl<'a, 'tcx> PatCtxt<'a, 'tcx> { id: hir::HirId, span: Span, ) -> PatKind<'tcx> { - let anon_const_def_id = self.tcx.hir().local_def_id(anon_const.hir_id); - let value = mir::ConstantKind::from_inline_const(self.tcx, anon_const_def_id); + let value = mir::ConstantKind::from_inline_const(self.tcx, anon_const.def_id); // Evaluate early like we do in `lower_path`. let value = value.eval(self.tcx, self.param_env); diff --git a/compiler/rustc_mir_transform/src/lib.rs b/compiler/rustc_mir_transform/src/lib.rs index 5e85d1f0db4..93200b28830 100644 --- a/compiler/rustc_mir_transform/src/lib.rs +++ b/compiler/rustc_mir_transform/src/lib.rs @@ -220,19 +220,18 @@ fn mir_keys(tcx: TyCtxt<'_>, (): ()) -> FxIndexSet<LocalDefId> { // Additionally, tuple struct/variant constructors have MIR, but // they don't have a BodyId, so we need to build them separately. - struct GatherCtors<'a, 'tcx> { - tcx: TyCtxt<'tcx>, + struct GatherCtors<'a> { set: &'a mut FxIndexSet<LocalDefId>, } - impl<'tcx> Visitor<'tcx> for GatherCtors<'_, 'tcx> { + impl<'tcx> Visitor<'tcx> for GatherCtors<'_> { fn visit_variant_data(&mut self, v: &'tcx hir::VariantData<'tcx>) { - if let hir::VariantData::Tuple(_, hir_id) = *v { - self.set.insert(self.tcx.hir().local_def_id(hir_id)); + if let hir::VariantData::Tuple(_, _, def_id) = *v { + self.set.insert(def_id); } intravisit::walk_struct_def(self, v) } } - tcx.hir().visit_all_item_likes_in_crate(&mut GatherCtors { tcx, set: &mut set }); + tcx.hir().visit_all_item_likes_in_crate(&mut GatherCtors { set: &mut set }); set } diff --git a/compiler/rustc_passes/src/check_attr.rs b/compiler/rustc_passes/src/check_attr.rs index 2b6ff0a5cb9..6b8cd071373 100644 --- a/compiler/rustc_passes/src/check_attr.rs +++ b/compiler/rustc_passes/src/check_attr.rs @@ -219,18 +219,6 @@ impl CheckAttrVisitor<'_> { return; } - // FIXME(@lcnr): this doesn't belong here. - if matches!( - target, - Target::Closure - | Target::Fn - | Target::Method(_) - | Target::ForeignFn - | Target::ForeignStatic - ) { - self.tcx.ensure().codegen_fn_attrs(self.tcx.hir().local_def_id(hir_id)); - } - self.check_repr(attrs, span, target, item, hir_id); self.check_used(attrs, target); } @@ -423,8 +411,7 @@ impl CheckAttrVisitor<'_> { if let Some(generics) = tcx.hir().get_generics(tcx.hir().local_def_id(hir_id)) { for p in generics.params { let hir::GenericParamKind::Type { .. } = p.kind else { continue }; - let param_id = tcx.hir().local_def_id(p.hir_id); - let default = tcx.object_lifetime_default(param_id); + let default = tcx.object_lifetime_default(p.def_id); let repr = match default { ObjectLifetimeDefault::Empty => "BaseDefault".to_owned(), ObjectLifetimeDefault::Static => "'static".to_owned(), @@ -2150,7 +2137,7 @@ impl<'tcx> Visitor<'tcx> for CheckAttrVisitor<'tcx> { } fn visit_variant(&mut self, variant: &'tcx hir::Variant<'tcx>) { - self.check_attributes(variant.id, variant.span, Target::Variant, None); + self.check_attributes(variant.hir_id, variant.span, Target::Variant, None); intravisit::walk_variant(self, variant) } diff --git a/compiler/rustc_passes/src/dead.rs b/compiler/rustc_passes/src/dead.rs index 21b487d8ca1..d4722234a8f 100644 --- a/compiler/rustc_passes/src/dead.rs +++ b/compiler/rustc_passes/src/dead.rs @@ -362,7 +362,7 @@ impl<'tcx> Visitor<'tcx> for MarkSymbolVisitor<'tcx> { let has_repr_c = self.repr_has_repr_c; let has_repr_simd = self.repr_has_repr_simd; let live_fields = def.fields().iter().filter_map(|f| { - let def_id = tcx.hir().local_def_id(f.hir_id); + let def_id = f.def_id; if has_repr_c || (f.is_positional() && has_repr_simd) { return Some(def_id); } @@ -522,17 +522,13 @@ fn check_item<'tcx>( DefKind::Enum => { let item = tcx.hir().item(id); if let hir::ItemKind::Enum(ref enum_def, _) = item.kind { - let hir = tcx.hir(); if allow_dead_code { - worklist.extend( - enum_def.variants.iter().map(|variant| hir.local_def_id(variant.id)), - ); + worklist.extend(enum_def.variants.iter().map(|variant| variant.def_id)); } for variant in enum_def.variants { - if let Some(ctor_hir_id) = variant.data.ctor_hir_id() { - struct_constructors - .insert(hir.local_def_id(ctor_hir_id), hir.local_def_id(variant.id)); + if let Some(ctor_def_id) = variant.data.ctor_def_id() { + struct_constructors.insert(ctor_def_id, variant.def_id); } } } diff --git a/compiler/rustc_passes/src/lang_items.rs b/compiler/rustc_passes/src/lang_items.rs index 188efc528ef..99efed0b7fb 100644 --- a/compiler/rustc_passes/src/lang_items.rs +++ b/compiler/rustc_passes/src/lang_items.rs @@ -219,7 +219,7 @@ fn get_lang_items(tcx: TyCtxt<'_>, (): ()) -> LanguageItems { let item = tcx.hir().item(id); if let hir::ItemKind::Enum(def, ..) = &item.kind { for variant in def.variants { - collector.check_for_lang(Target::Variant, variant.id); + collector.check_for_lang(Target::Variant, variant.hir_id); } } } diff --git a/compiler/rustc_passes/src/liveness.rs b/compiler/rustc_passes/src/liveness.rs index c181de48a9a..0100860afb9 100644 --- a/compiler/rustc_passes/src/liveness.rs +++ b/compiler/rustc_passes/src/liveness.rs @@ -413,7 +413,7 @@ impl<'tcx> Visitor<'tcx> for IrMaps<'tcx> { } intravisit::walk_expr(self, expr); } - hir::ExprKind::Closure { .. } => { + hir::ExprKind::Closure(closure) => { // Interesting control flow (for loops can contain labeled // breaks or continues) self.add_live_node_for_node(expr.hir_id, ExprNode(expr.span, expr.hir_id)); @@ -423,8 +423,7 @@ impl<'tcx> Visitor<'tcx> for IrMaps<'tcx> { // in better error messages than just pointing at the closure // construction site. let mut call_caps = Vec::new(); - let closure_def_id = self.tcx.hir().local_def_id(expr.hir_id); - if let Some(upvars) = self.tcx.upvars_mentioned(closure_def_id) { + if let Some(upvars) = self.tcx.upvars_mentioned(closure.def_id) { call_caps.extend(upvars.keys().map(|var_id| { let upvar = upvars[var_id]; let upvar_ln = self.add_live_node(UpvarNode(upvar.span)); diff --git a/compiler/rustc_passes/src/stability.rs b/compiler/rustc_passes/src/stability.rs index af49d438a22..88bd655d8d3 100644 --- a/compiler/rustc_passes/src/stability.rs +++ b/compiler/rustc_passes/src/stability.rs @@ -358,9 +358,9 @@ impl<'a, 'tcx> Visitor<'tcx> for Annotator<'a, 'tcx> { const_stab_inherit = InheritConstStability::Yes; } hir::ItemKind::Struct(ref sd, _) => { - if let Some(ctor_hir_id) = sd.ctor_hir_id() { + if let Some(ctor_def_id) = sd.ctor_def_id() { self.annotate( - self.tcx.hir().local_def_id(ctor_hir_id), + ctor_def_id, i.span, None, AnnotationKind::Required, @@ -435,7 +435,7 @@ impl<'a, 'tcx> Visitor<'tcx> for Annotator<'a, 'tcx> { fn visit_variant(&mut self, var: &'tcx Variant<'tcx>) { self.annotate( - self.tcx.hir().local_def_id(var.id), + var.def_id, var.span, None, AnnotationKind::Required, @@ -443,9 +443,9 @@ impl<'a, 'tcx> Visitor<'tcx> for Annotator<'a, 'tcx> { InheritConstStability::No, InheritStability::Yes, |v| { - if let Some(ctor_hir_id) = var.data.ctor_hir_id() { + if let Some(ctor_def_id) = var.data.ctor_def_id() { v.annotate( - v.tcx.hir().local_def_id(ctor_hir_id), + ctor_def_id, var.span, None, AnnotationKind::Required, @@ -463,7 +463,7 @@ impl<'a, 'tcx> Visitor<'tcx> for Annotator<'a, 'tcx> { fn visit_field_def(&mut self, s: &'tcx FieldDef<'tcx>) { self.annotate( - self.tcx.hir().local_def_id(s.hir_id), + s.def_id, s.span, None, AnnotationKind::Required, @@ -500,7 +500,7 @@ impl<'a, 'tcx> Visitor<'tcx> for Annotator<'a, 'tcx> { }; self.annotate( - self.tcx.hir().local_def_id(p.hir_id), + p.def_id, p.span, None, kind, @@ -601,15 +601,15 @@ impl<'tcx> Visitor<'tcx> for MissingStabilityAnnotations<'tcx> { } fn visit_variant(&mut self, var: &'tcx Variant<'tcx>) { - self.check_missing_stability(self.tcx.hir().local_def_id(var.id), var.span); - if let Some(ctor_hir_id) = var.data.ctor_hir_id() { - self.check_missing_stability(self.tcx.hir().local_def_id(ctor_hir_id), var.span); + self.check_missing_stability(var.def_id, var.span); + if let Some(ctor_def_id) = var.data.ctor_def_id() { + self.check_missing_stability(ctor_def_id, var.span); } intravisit::walk_variant(self, var); } fn visit_field_def(&mut self, s: &'tcx FieldDef<'tcx>) { - self.check_missing_stability(self.tcx.hir().local_def_id(s.hir_id), s.span); + self.check_missing_stability(s.def_id, s.span); intravisit::walk_field_def(self, s); } diff --git a/compiler/rustc_passes/src/upvars.rs b/compiler/rustc_passes/src/upvars.rs index 68d9bf22bf9..9e41efce9ce 100644 --- a/compiler/rustc_passes/src/upvars.rs +++ b/compiler/rustc_passes/src/upvars.rs @@ -75,9 +75,8 @@ impl<'tcx> Visitor<'tcx> for CaptureCollector<'_, 'tcx> { } fn visit_expr(&mut self, expr: &'tcx hir::Expr<'tcx>) { - if let hir::ExprKind::Closure { .. } = expr.kind { - let closure_def_id = self.tcx.hir().local_def_id(expr.hir_id); - if let Some(upvars) = self.tcx.upvars_mentioned(closure_def_id) { + if let hir::ExprKind::Closure(closure) = expr.kind { + if let Some(upvars) = self.tcx.upvars_mentioned(closure.def_id) { // Every capture of a closure expression is a local in scope, // that is moved/copied/borrowed into the closure value, and // for this analysis they are like any other access to a local. diff --git a/compiler/rustc_privacy/src/lib.rs b/compiler/rustc_privacy/src/lib.rs index e17f85c1aae..1d9ae539b60 100644 --- a/compiler/rustc_privacy/src/lib.rs +++ b/compiler/rustc_privacy/src/lib.rs @@ -419,11 +419,6 @@ impl<'tcx> EmbargoVisitor<'tcx> { self.effective_visibilities.public_at_level(def_id) } - fn update_with_hir_id(&mut self, hir_id: hir::HirId, level: Option<Level>) -> Option<Level> { - let def_id = self.tcx.hir().local_def_id(hir_id); - self.update(def_id, level) - } - /// Updates node level and returns the updated level. fn update(&mut self, def_id: LocalDefId, level: Option<Level>) -> Option<Level> { let old_level = self.get(def_id); @@ -573,10 +568,9 @@ impl<'tcx> EmbargoVisitor<'tcx> { | hir::ItemKind::Union(ref struct_def, _) = item.kind { for field in struct_def.fields() { - let def_id = self.tcx.hir().local_def_id(field.hir_id); - let field_vis = self.tcx.local_visibility(def_id); + let field_vis = self.tcx.local_visibility(field.def_id); if field_vis.is_accessible_from(module, self.tcx) { - self.reach(def_id, level).ty(); + self.reach(field.def_id, level).ty(); } } } else { @@ -641,12 +635,12 @@ impl<'tcx> Visitor<'tcx> for EmbargoVisitor<'tcx> { match item.kind { hir::ItemKind::Enum(ref def, _) => { for variant in def.variants { - let variant_level = self.update_with_hir_id(variant.id, item_level); - if let Some(ctor_hir_id) = variant.data.ctor_hir_id() { - self.update_with_hir_id(ctor_hir_id, item_level); + let variant_level = self.update(variant.def_id, item_level); + if let Some(ctor_def_id) = variant.data.ctor_def_id() { + self.update(ctor_def_id, item_level); } for field in variant.data.fields() { - self.update_with_hir_id(field.hir_id, variant_level); + self.update(field.def_id, variant_level); } } } @@ -665,14 +659,13 @@ impl<'tcx> Visitor<'tcx> for EmbargoVisitor<'tcx> { } } hir::ItemKind::Struct(ref def, _) | hir::ItemKind::Union(ref def, _) => { - if let Some(ctor_hir_id) = def.ctor_hir_id() { - self.update_with_hir_id(ctor_hir_id, item_level); + if let Some(ctor_def_id) = def.ctor_def_id() { + self.update(ctor_def_id, item_level); } for field in def.fields() { - let def_id = self.tcx.hir().local_def_id(field.hir_id); - let vis = self.tcx.visibility(def_id); + let vis = self.tcx.visibility(field.def_id); if vis.is_public() { - self.update_with_hir_id(field.hir_id, item_level); + self.update(field.def_id, item_level); } } } @@ -782,18 +775,16 @@ impl<'tcx> Visitor<'tcx> for EmbargoVisitor<'tcx> { self.reach(item.owner_id.def_id, item_level).generics().predicates(); } for variant in def.variants { - let variant_level = self.get(self.tcx.hir().local_def_id(variant.id)); + let variant_level = self.get(variant.def_id); if variant_level.is_some() { for field in variant.data.fields() { - self.reach(self.tcx.hir().local_def_id(field.hir_id), variant_level) - .ty(); + self.reach(field.def_id, variant_level).ty(); } // Corner case: if the variant is reachable, but its // enum is not, make the enum reachable as well. self.reach(item.owner_id.def_id, variant_level).ty(); } - if let Some(hir_id) = variant.data.ctor_hir_id() { - let ctor_def_id = self.tcx.hir().local_def_id(hir_id); + if let Some(ctor_def_id) = variant.data.ctor_def_id() { let ctor_level = self.get(ctor_def_id); if ctor_level.is_some() { self.reach(item.owner_id.def_id, ctor_level).ty(); @@ -818,15 +809,13 @@ impl<'tcx> Visitor<'tcx> for EmbargoVisitor<'tcx> { if item_level.is_some() { self.reach(item.owner_id.def_id, item_level).generics().predicates(); for field in struct_def.fields() { - let def_id = self.tcx.hir().local_def_id(field.hir_id); - let field_level = self.get(def_id); + let field_level = self.get(field.def_id); if field_level.is_some() { - self.reach(def_id, field_level).ty(); + self.reach(field.def_id, field_level).ty(); } } } - if let Some(hir_id) = struct_def.ctor_hir_id() { - let ctor_def_id = self.tcx.hir().local_def_id(hir_id); + if let Some(ctor_def_id) = struct_def.ctor_def_id() { let ctor_level = self.get(ctor_def_id); if ctor_level.is_some() { self.reach(item.owner_id.def_id, ctor_level).ty(); @@ -957,26 +946,21 @@ impl<'tcx, 'a> Visitor<'tcx> for TestReachabilityVisitor<'tcx, 'a> { match item.kind { hir::ItemKind::Enum(ref def, _) => { for variant in def.variants.iter() { - let variant_id = self.tcx.hir().local_def_id(variant.id); - self.effective_visibility_diagnostic(variant_id); - if let Some(ctor_hir_id) = variant.data.ctor_hir_id() { - let ctor_def_id = self.tcx.hir().local_def_id(ctor_hir_id); + self.effective_visibility_diagnostic(variant.def_id); + if let Some(ctor_def_id) = variant.data.ctor_def_id() { self.effective_visibility_diagnostic(ctor_def_id); } for field in variant.data.fields() { - let def_id = self.tcx.hir().local_def_id(field.hir_id); - self.effective_visibility_diagnostic(def_id); + self.effective_visibility_diagnostic(field.def_id); } } } hir::ItemKind::Struct(ref def, _) | hir::ItemKind::Union(ref def, _) => { - if let Some(ctor_hir_id) = def.ctor_hir_id() { - let ctor_def_id = self.tcx.hir().local_def_id(ctor_hir_id); + if let Some(ctor_def_id) = def.ctor_def_id() { self.effective_visibility_diagnostic(ctor_def_id); } for field in def.fields() { - let def_id = self.tcx.hir().local_def_id(field.hir_id); - self.effective_visibility_diagnostic(def_id); + self.effective_visibility_diagnostic(field.def_id); } } _ => {} @@ -1719,7 +1703,7 @@ impl<'a, 'tcx> Visitor<'tcx> for ObsoleteVisiblePrivateTypesVisitor<'a, 'tcx> { } fn visit_variant(&mut self, v: &'tcx hir::Variant<'tcx>) { - if self.effective_visibilities.is_reachable(self.tcx.hir().local_def_id(v.id)) { + if self.effective_visibilities.is_reachable(v.def_id) { self.in_variant = true; intravisit::walk_variant(self, v); self.in_variant = false; @@ -1727,8 +1711,7 @@ impl<'a, 'tcx> Visitor<'tcx> for ObsoleteVisiblePrivateTypesVisitor<'a, 'tcx> { } fn visit_field_def(&mut self, s: &'tcx hir::FieldDef<'tcx>) { - let def_id = self.tcx.hir().local_def_id(s.hir_id); - let vis = self.tcx.visibility(def_id); + let vis = self.tcx.visibility(s.def_id); if vis.is_public() || self.in_variant { intravisit::walk_field_def(self, s); } @@ -1982,8 +1965,7 @@ impl<'tcx> PrivateItemsInPublicInterfacesChecker<'tcx> { for variant in def.variants { for field in variant.data.fields() { - self.check(self.tcx.hir().local_def_id(field.hir_id), item_visibility) - .ty(); + self.check(field.def_id, item_visibility).ty(); } } } @@ -2010,9 +1992,8 @@ impl<'tcx> PrivateItemsInPublicInterfacesChecker<'tcx> { self.check(item.owner_id.def_id, item_visibility).generics().predicates(); for field in struct_def.fields() { - let def_id = tcx.hir().local_def_id(field.hir_id); - let field_visibility = tcx.local_visibility(def_id); - self.check(def_id, min(item_visibility, field_visibility, tcx)).ty(); + let field_visibility = tcx.local_visibility(field.def_id); + self.check(field.def_id, min(item_visibility, field_visibility, tcx)).ty(); } } } diff --git a/compiler/rustc_save_analysis/src/dump_visitor.rs b/compiler/rustc_save_analysis/src/dump_visitor.rs index df5d992f663..0e579379ec8 100644 --- a/compiler/rustc_save_analysis/src/dump_visitor.rs +++ b/compiler/rustc_save_analysis/src/dump_visitor.rs @@ -527,9 +527,9 @@ impl<'tcx> DumpVisitor<'tcx> { let value = format!("{}::{} {{ {} }}", enum_data.name, name, fields_str); if !self.span.filter_generated(name_span) { let span = self.span_from_span(name_span); - let id = id_from_hir_id(variant.id, &self.save_ctxt); + let id = id_from_hir_id(variant.hir_id, &self.save_ctxt); let parent = Some(id_from_def_id(item.owner_id.to_def_id())); - let attrs = self.tcx.hir().attrs(variant.id); + let attrs = self.tcx.hir().attrs(variant.hir_id); self.dumper.dump_def( &access, @@ -552,7 +552,7 @@ impl<'tcx> DumpVisitor<'tcx> { } ref v => { let mut value = format!("{}::{}", enum_data.name, name); - if let hir::VariantData::Tuple(fields, _) = v { + if let hir::VariantData::Tuple(fields, _, _) = v { value.push('('); value.push_str( &fields @@ -565,9 +565,9 @@ impl<'tcx> DumpVisitor<'tcx> { } if !self.span.filter_generated(name_span) { let span = self.span_from_span(name_span); - let id = id_from_hir_id(variant.id, &self.save_ctxt); + let id = id_from_hir_id(variant.hir_id, &self.save_ctxt); let parent = Some(id_from_def_id(item.owner_id.to_def_id())); - let attrs = self.tcx.hir().attrs(variant.id); + let attrs = self.tcx.hir().attrs(variant.hir_id); self.dumper.dump_def( &access, @@ -591,7 +591,7 @@ impl<'tcx> DumpVisitor<'tcx> { } for field in variant.data.fields() { - self.process_struct_field_def(field, variant.id); + self.process_struct_field_def(field, variant.hir_id); self.visit_ty(field.ty); } } diff --git a/compiler/rustc_save_analysis/src/lib.rs b/compiler/rustc_save_analysis/src/lib.rs index d0155c908a2..ffe8edf69b7 100644 --- a/compiler/rustc_save_analysis/src/lib.rs +++ b/compiler/rustc_save_analysis/src/lib.rs @@ -319,7 +319,7 @@ impl<'tcx> SaveContext<'tcx> { qualname, value, parent: None, - children: def.variants.iter().map(|v| id_from_hir_id(v.id, self)).collect(), + children: def.variants.iter().map(|v| id_from_hir_id(v.hir_id, self)).collect(), decl_id: None, docs: self.docs_for_attrs(attrs), sig: sig::item_signature(item, self), diff --git a/compiler/rustc_save_analysis/src/sig.rs b/compiler/rustc_save_analysis/src/sig.rs index 83c51d213be..9fcba3e46f1 100644 --- a/compiler/rustc_save_analysis/src/sig.rs +++ b/compiler/rustc_save_analysis/src/sig.rs @@ -693,7 +693,7 @@ impl<'hir> Sig for hir::Variant<'hir> { text.push('}'); Ok(Signature { text, defs, refs }) } - hir::VariantData::Tuple(fields, id) => { + hir::VariantData::Tuple(fields, id, _) => { let name_def = SigElement { id: id_from_hir_id(id, scx), start: offset, @@ -712,7 +712,7 @@ impl<'hir> Sig for hir::Variant<'hir> { text.push(')'); Ok(Signature { text, defs, refs }) } - hir::VariantData::Unit(id) => { + hir::VariantData::Unit(id, _) => { let name_def = SigElement { id: id_from_hir_id(id, scx), start: offset, diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs index a56450a3573..02848bcffb2 100644 --- a/compiler/rustc_span/src/symbol.rs +++ b/compiler/rustc_span/src/symbol.rs @@ -893,6 +893,7 @@ symbols! { masked, match_beginning_vert, match_default_bindings, + matches_macro, maxnumf32, maxnumf64, may_dangle, diff --git a/compiler/rustc_target/src/spec/arm64_32_apple_watchos.rs b/compiler/rustc_target/src/spec/arm64_32_apple_watchos.rs index 2cf2cbc7510..52ee68e7560 100644 --- a/compiler/rustc_target/src/spec/arm64_32_apple_watchos.rs +++ b/compiler/rustc_target/src/spec/arm64_32_apple_watchos.rs @@ -12,6 +12,8 @@ pub fn target() -> Target { features: "+neon,+fp-armv8,+apple-a7".into(), max_atomic_width: Some(128), forces_embed_bitcode: true, + dynamic_linking: false, + position_independent_executables: true, // These arguments are not actually invoked - they just have // to look right to pass App Store validation. bitcode_llvm_cmdline: "-triple\0\ diff --git a/compiler/rustc_target/src/spec/armv7k_apple_watchos.rs b/compiler/rustc_target/src/spec/armv7k_apple_watchos.rs index 45ead8d65ab..6e1d00d1f6c 100644 --- a/compiler/rustc_target/src/spec/armv7k_apple_watchos.rs +++ b/compiler/rustc_target/src/spec/armv7k_apple_watchos.rs @@ -12,6 +12,8 @@ pub fn target() -> Target { features: "+v7,+vfp4,+neon".into(), max_atomic_width: Some(64), forces_embed_bitcode: true, + dynamic_linking: false, + position_independent_executables: true, // These arguments are not actually invoked - they just have // to look right to pass App Store validation. bitcode_llvm_cmdline: "-triple\0\ diff --git a/compiler/rustc_trait_selection/src/autoderef.rs b/compiler/rustc_trait_selection/src/autoderef.rs index 54c738d8389..b7240a82897 100644 --- a/compiler/rustc_trait_selection/src/autoderef.rs +++ b/compiler/rustc_trait_selection/src/autoderef.rs @@ -3,8 +3,8 @@ use crate::traits::query::evaluate_obligation::InferCtxtExt; use crate::traits::{self, TraitEngine, TraitEngineExt}; use rustc_hir as hir; use rustc_infer::infer::InferCtxt; +use rustc_middle::ty::TypeVisitable; use rustc_middle::ty::{self, TraitRef, Ty, TyCtxt}; -use rustc_middle::ty::{ToPredicate, TypeVisitable}; use rustc_session::Limit; use rustc_span::def_id::LOCAL_CRATE; use rustc_span::Span; @@ -130,9 +130,10 @@ impl<'a, 'tcx> Autoderef<'a, 'tcx> { let cause = traits::ObligationCause::misc(self.span, self.body_id); let obligation = traits::Obligation::new( + tcx, cause.clone(), self.param_env, - ty::Binder::dummy(trait_ref).without_const().to_predicate(tcx), + ty::Binder::dummy(trait_ref).without_const(), ); if !self.infcx.predicate_may_hold(&obligation) { debug!("overloaded_deref_ty: cannot match obligation"); diff --git a/compiler/rustc_trait_selection/src/traits/auto_trait.rs b/compiler/rustc_trait_selection/src/traits/auto_trait.rs index 188f8bb7e2a..5869bc76b59 100644 --- a/compiler/rustc_trait_selection/src/traits/auto_trait.rs +++ b/compiler/rustc_trait_selection/src/traits/auto_trait.rs @@ -96,8 +96,12 @@ impl<'tcx> AutoTraitFinder<'tcx> { PolyTraitRef::to_poly_trait_predicate, PolyTraitRef::to_poly_trait_predicate_negative_polarity, ] { - let result = - selcx.select(&Obligation::new(ObligationCause::dummy(), orig_env, f(&trait_pred))); + let result = selcx.select(&Obligation::new( + tcx, + ObligationCause::dummy(), + orig_env, + f(&trait_pred), + )); if let Ok(Some(ImplSource::UserDefined(_))) = result { debug!( "find_auto_trait_generics({:?}): \ @@ -280,8 +284,12 @@ impl<'tcx> AutoTraitFinder<'tcx> { // Call `infcx.resolve_vars_if_possible` to see if we can // get rid of any inference variables. - let obligation = - infcx.resolve_vars_if_possible(Obligation::new(dummy_cause.clone(), new_env, pred)); + let obligation = infcx.resolve_vars_if_possible(Obligation::new( + tcx, + dummy_cause.clone(), + new_env, + pred, + )); let result = select.select(&obligation); match result { @@ -706,7 +714,10 @@ impl<'tcx> AutoTraitFinder<'tcx> { // and turn them into an explicit negative impl for our type. debug!("Projecting and unifying projection predicate {:?}", predicate); - match project::poly_project_and_unify_type(select, &obligation.with(p)) { + match project::poly_project_and_unify_type( + select, + &obligation.with(self.tcx, p), + ) { ProjectAndUnifyResult::MismatchedProjectionTypes(e) => { debug!( "evaluate_nested_obligations: Unable to unify predicate \ diff --git a/compiler/rustc_trait_selection/src/traits/codegen.rs b/compiler/rustc_trait_selection/src/traits/codegen.rs index 8a62bf01567..ca4299f7db3 100644 --- a/compiler/rustc_trait_selection/src/traits/codegen.rs +++ b/compiler/rustc_trait_selection/src/traits/codegen.rs @@ -40,7 +40,7 @@ pub fn codegen_select_candidate<'tcx>( let obligation_cause = ObligationCause::dummy(); let obligation = - Obligation::new(obligation_cause, param_env, trait_ref.to_poly_trait_predicate()); + Obligation::new(tcx, obligation_cause, param_env, trait_ref.to_poly_trait_predicate()); let selection = match selcx.select(&obligation) { Ok(Some(selection)) => selection, diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/ambiguity.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/ambiguity.rs index 58da54afb75..6a5744f5f76 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/ambiguity.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/ambiguity.rs @@ -32,7 +32,7 @@ pub fn recompute_applicable_impls<'tcx>( impl_predicates .predicates .iter() - .map(|&predicate| Obligation::new(dummy_cause.clone(), param_env, predicate)), + .map(|&predicate| Obligation::new(tcx, dummy_cause.clone(), param_env, predicate)), ); ocx.select_where_possible().is_empty() diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs index 41b252a8265..f087afa20ba 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs @@ -344,14 +344,14 @@ impl<'tcx> InferCtxtExt<'tcx> for InferCtxt<'tcx> { }); let substs = self.tcx.mk_substs_trait(ty.skip_binder(), &[var.into()]); let obligation = Obligation::new( + self.tcx, ObligationCause::dummy(), param_env, ty.rebind(ty::TraitPredicate { trait_ref: ty::TraitRef::new(trait_def_id, substs), constness, polarity, - }) - .to_predicate(self.tcx), + }), ); let mut fulfill_cx = <dyn TraitEngine<'tcx>>::new_in_snapshot(self.tcx); fulfill_cx.register_predicate_obligation(self, obligation); @@ -984,7 +984,7 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { ); trait_pred }); - let unit_obligation = obligation.with(predicate.to_predicate(tcx)); + let unit_obligation = obligation.with(tcx, predicate); if self.predicate_may_hold(&unit_obligation) { err.note( "this error might have been caused by changes to \ @@ -2012,7 +2012,7 @@ impl<'tcx> InferCtxtPrivExt<'tcx> for TypeErrCtxt<'_, 'tcx> { ..*tr }); - Obligation::new(ObligationCause::dummy(), param_env, trait_pred.to_predicate(self.tcx)) + Obligation::new(self.tcx, ObligationCause::dummy(), param_env, trait_pred) } #[instrument(skip(self), level = "debug")] @@ -2100,11 +2100,7 @@ impl<'tcx> InferCtxtPrivExt<'tcx> for TypeErrCtxt<'_, 'tcx> { ) }; - let obligation = Obligation::new( - obligation.cause.clone(), - obligation.param_env, - trait_ref.to_poly_trait_predicate(), - ); + let obligation = obligation.with(self.tcx, trait_ref.to_poly_trait_predicate()); let mut selcx = SelectionContext::with_query_mode( &self, crate::traits::TraitQueryMode::Standard, @@ -2534,11 +2530,8 @@ impl<'tcx> InferCtxtPrivExt<'tcx> for TypeErrCtxt<'_, 'tcx> { ) .value; - let obligation = Obligation::new( - ObligationCause::dummy(), - param_env, - cleaned_pred.to_predicate(selcx.tcx()), - ); + let obligation = + Obligation::new(self.tcx, ObligationCause::dummy(), param_env, cleaned_pred); self.predicate_may_hold(&obligation) }) @@ -2592,11 +2585,10 @@ impl<'tcx> InferCtxtPrivExt<'tcx> for TypeErrCtxt<'_, 'tcx> { let Some(param) = generics.params.iter().find(|param| param.span == span) else { return; }; - let param_def_id = self.tcx.hir().local_def_id(param.hir_id); // Check that none of the explicit trait bounds is `Sized`. Assume that an explicit // `Sized` bound is there intentionally and we don't need to suggest relaxing it. let explicitly_sized = generics - .bounds_for_param(param_def_id) + .bounds_for_param(param.def_id) .flat_map(|bp| bp.bounds) .any(|bound| bound.trait_ref().and_then(|tr| tr.trait_def_id()) == sized_trait); if explicitly_sized { @@ -2619,7 +2611,7 @@ impl<'tcx> InferCtxtPrivExt<'tcx> for TypeErrCtxt<'_, 'tcx> { _ => {} }; // Didn't add an indirection suggestion, so add a general suggestion to relax `Sized`. - let (span, separator) = if let Some(s) = generics.bounds_span_for_suggestions(param_def_id) + let (span, separator) = if let Some(s) = generics.bounds_span_for_suggestions(param.def_id) { (s, " +") } else { diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs index 84daaf97ecf..b8609077036 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs @@ -301,7 +301,7 @@ pub trait TypeErrCtxtExt<'tcx> { obligated_types: &mut Vec<Ty<'tcx>>, seen_requirements: &mut FxHashSet<DefId>, ) where - T: fmt::Display; + T: fmt::Display + ToPredicate<'tcx, T>; /// Suggest to await before try: future? => future.await? fn suggest_await_before_try( @@ -334,7 +334,7 @@ pub trait TypeErrCtxtExt<'tcx> { ); } -fn predicate_constraint(generics: &hir::Generics<'_>, pred: String) -> (Span, String) { +fn predicate_constraint(generics: &hir::Generics<'_>, pred: ty::Predicate<'_>) -> (Span, String) { ( generics.tail_span_for_predicate_suggestion(), format!("{} {}", generics.add_where_or_trailing_comma(), pred), @@ -416,7 +416,7 @@ fn suggest_restriction<'tcx>( }, // `fn foo(t: impl Trait)` // ^ suggest `where <T as Trait>::A: Bound` - predicate_constraint(hir_generics, trait_pred.to_predicate(tcx).to_string()), + predicate_constraint(hir_generics, trait_pred.to_predicate(tcx)), ]; sugg.extend(ty_spans.into_iter().map(|s| (s, type_param_name.to_string()))); @@ -440,9 +440,7 @@ fn suggest_restriction<'tcx>( .find(|p| !matches!(p.kind, hir::GenericParamKind::Type { synthetic: true, .. })), super_traits, ) { - (_, None) => { - predicate_constraint(hir_generics, trait_pred.to_predicate(tcx).to_string()) - } + (_, None) => predicate_constraint(hir_generics, trait_pred.to_predicate(tcx)), (None, Some((ident, []))) => ( ident.span.shrink_to_hi(), format!(": {}", trait_pred.print_modifiers_and_trait_path()), @@ -1162,7 +1160,7 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { for predicate in predicates.iter() { if !self.predicate_must_hold_modulo_regions( - &obligation.with(predicate.with_self_ty(self.tcx, self_ref_ty)), + &obligation.with(self.tcx, predicate.with_self_ty(self.tcx, self_ref_ty)), ) { return; } @@ -1523,7 +1521,7 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { let self_ty_satisfies_dyn_predicates = |self_ty| { predicates.iter().all(|predicate| { let pred = predicate.with_self_ty(self.tcx, self_ty); - let obl = Obligation::new(cause.clone(), param_env, pred); + let obl = Obligation::new(self.tcx, cause.clone(), param_env, pred); self.predicate_may_hold(&obl) }) }; @@ -2704,7 +2702,7 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { obligated_types.push(ty); - let parent_predicate = parent_trait_ref.to_predicate(tcx); + let parent_predicate = parent_trait_ref; if !self.is_recursive_obligation(obligated_types, &data.parent_code) { // #74711: avoid a stack overflow ensure_sufficient_stack(|| { @@ -2766,7 +2764,7 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { _ => err.note(&msg), }; - let mut parent_predicate = parent_trait_pred.to_predicate(tcx); + let mut parent_predicate = parent_trait_pred; let mut data = &data.derived; let mut count = 0; seen_requirements.insert(parent_def_id); @@ -2826,7 +2824,7 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { } ObligationCauseCode::DerivedObligation(ref data) => { let parent_trait_ref = self.resolve_vars_if_possible(data.parent_trait_pred); - let parent_predicate = parent_trait_ref.to_predicate(tcx); + let parent_predicate = parent_trait_ref; // #74711: avoid a stack overflow ensure_sufficient_stack(|| { self.note_obligation_cause_code( @@ -3070,9 +3068,10 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { ..*tr }); let field_obl = Obligation::new( + self.tcx, obligation.cause.clone(), obligation.param_env, - trait_pred.to_predicate(self.tcx), + trait_pred, ); self.predicate_must_hold_modulo_regions(&field_obl) }) diff --git a/compiler/rustc_trait_selection/src/traits/fulfill.rs b/compiler/rustc_trait_selection/src/traits/fulfill.rs index 4905bb69cc5..d84f768cce4 100644 --- a/compiler/rustc_trait_selection/src/traits/fulfill.rs +++ b/compiler/rustc_trait_selection/src/traits/fulfill.rs @@ -9,7 +9,6 @@ use rustc_middle::mir::interpret::ErrorHandled; use rustc_middle::ty::abstract_const::NotConstEvaluatable; use rustc_middle::ty::error::{ExpectedFound, TypeError}; use rustc_middle::ty::subst::SubstsRef; -use rustc_middle::ty::ToPredicate; use rustc_middle::ty::{self, Binder, Const, Ty, TypeVisitable}; use std::marker::PhantomData; @@ -296,7 +295,7 @@ impl<'a, 'tcx> ObligationProcessor for FulfillProcessor<'a, 'tcx> { &mut obligations, ); if predicate != obligation.predicate { - obligations.push(obligation.with(predicate)); + obligations.push(obligation.with(infcx.tcx, predicate)); return ProcessResult::Changed(mk_pending(obligations)); } } @@ -307,7 +306,7 @@ impl<'a, 'tcx> ObligationProcessor for FulfillProcessor<'a, 'tcx> { // This means we need to pass it the bound version of our // predicate. ty::PredicateKind::Trait(trait_ref) => { - let trait_obligation = obligation.with(binder.rebind(trait_ref)); + let trait_obligation = obligation.with(infcx.tcx, binder.rebind(trait_ref)); self.process_trait_obligation( obligation, @@ -316,7 +315,7 @@ impl<'a, 'tcx> ObligationProcessor for FulfillProcessor<'a, 'tcx> { ) } ty::PredicateKind::Projection(data) => { - let project_obligation = obligation.with(binder.rebind(data)); + let project_obligation = obligation.with(infcx.tcx, binder.rebind(data)); self.process_projection_obligation( obligation, @@ -335,9 +334,7 @@ impl<'a, 'tcx> ObligationProcessor for FulfillProcessor<'a, 'tcx> { | ty::PredicateKind::ConstEquate(..) => { let pred = ty::Binder::dummy(infcx.replace_bound_vars_with_placeholders(binder)); - ProcessResult::Changed(mk_pending(vec![ - obligation.with(pred.to_predicate(self.selcx.tcx())), - ])) + ProcessResult::Changed(mk_pending(vec![obligation.with(infcx.tcx, pred)])) } ty::PredicateKind::TypeWellFormedFromEnv(..) => { bug!("TypeWellFormedFromEnv is only used for Chalk") @@ -345,7 +342,7 @@ impl<'a, 'tcx> ObligationProcessor for FulfillProcessor<'a, 'tcx> { }, Some(pred) => match pred { ty::PredicateKind::Trait(data) => { - let trait_obligation = obligation.with(Binder::dummy(data)); + let trait_obligation = obligation.with(infcx.tcx, Binder::dummy(data)); self.process_trait_obligation( obligation, @@ -370,7 +367,7 @@ impl<'a, 'tcx> ObligationProcessor for FulfillProcessor<'a, 'tcx> { } ty::PredicateKind::Projection(ref data) => { - let project_obligation = obligation.with(Binder::dummy(*data)); + let project_obligation = obligation.with(infcx.tcx, Binder::dummy(*data)); self.process_projection_obligation( obligation, @@ -697,7 +694,7 @@ impl<'a, 'tcx> FulfillProcessor<'a, 'tcx> { } // Let the caller handle the recursion ProjectAndUnifyResult::Recursive => ProcessResult::Changed(mk_pending(vec![ - project_obligation.with(project_obligation.predicate.to_predicate(tcx)), + project_obligation.with(tcx, project_obligation.predicate), ])), ProjectAndUnifyResult::MismatchedProjectionTypes(e) => { ProcessResult::Error(CodeProjectionError(e)) diff --git a/compiler/rustc_trait_selection/src/traits/mod.rs b/compiler/rustc_trait_selection/src/traits/mod.rs index 10e48610e3a..ddc9b768f07 100644 --- a/compiler/rustc_trait_selection/src/traits/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/mod.rs @@ -440,7 +440,7 @@ pub fn impossible_predicates<'tcx>( let ocx = ObligationCtxt::new(&infcx); let predicates = ocx.normalize(ObligationCause::dummy(), param_env, predicates); for predicate in predicates { - let obligation = Obligation::new(ObligationCause::dummy(), param_env, predicate); + let obligation = Obligation::new(tcx, ObligationCause::dummy(), param_env, predicate); ocx.register_obligation(obligation); } let errors = ocx.select_all_or_error(); @@ -530,6 +530,7 @@ fn is_impossible_method<'tcx>( let predicates_for_trait = predicates.predicates.iter().filter_map(|(pred, span)| { if pred.visit_with(&mut visitor).is_continue() { Some(Obligation::new( + tcx, ObligationCause::dummy_with_span(*span), param_env, ty::EarlyBinder(*pred).subst(tcx, impl_trait_ref.substs), diff --git a/compiler/rustc_trait_selection/src/traits/object_safety.rs b/compiler/rustc_trait_selection/src/traits/object_safety.rs index 0bb25a74dc8..eaca3eaef0c 100644 --- a/compiler/rustc_trait_selection/src/traits/object_safety.rs +++ b/compiler/rustc_trait_selection/src/traits/object_safety.rs @@ -723,10 +723,9 @@ fn receiver_is_dispatchable<'tcx>( def_id: dispatch_from_dyn_did, substs: tcx.mk_substs_trait(receiver_ty, &[unsized_receiver_ty.into()]), }) - .without_const() - .to_predicate(tcx); + .without_const(); - Obligation::new(ObligationCause::dummy(), param_env, predicate) + Obligation::new(tcx, ObligationCause::dummy(), param_env, predicate) }; let infcx = tcx.infer_ctxt().build(); diff --git a/compiler/rustc_trait_selection/src/traits/project.rs b/compiler/rustc_trait_selection/src/traits/project.rs index 572f82117cc..ede6cd607b7 100644 --- a/compiler/rustc_trait_selection/src/traits/project.rs +++ b/compiler/rustc_trait_selection/src/traits/project.rs @@ -200,7 +200,7 @@ pub(super) fn poly_project_and_unify_type<'cx, 'tcx>( infcx.replace_bound_vars_with_placeholders(obligation.predicate); let new_universe = infcx.universe(); - let placeholder_obligation = obligation.with(placeholder_predicate); + let placeholder_obligation = obligation.with(infcx.tcx, placeholder_predicate); match project_and_unify_type(selcx, &placeholder_obligation) { ProjectAndUnifyResult::MismatchedProjectionTypes(e) => Err(e), ProjectAndUnifyResult::Holds(obligations) @@ -517,6 +517,7 @@ impl<'a, 'b, 'tcx> TypeFolder<'tcx> for AssocTypeNormalizer<'a, 'b, 'tcx> { let recursion_limit = self.tcx().recursion_limit(); if !recursion_limit.value_within_limit(self.depth) { let obligation = Obligation::with_depth( + self.tcx(), self.cause.clone(), recursion_limit.0, self.param_env, @@ -573,6 +574,7 @@ impl<'a, 'b, 'tcx> TypeFolder<'tcx> for AssocTypeNormalizer<'a, 'b, 'tcx> { && !self.tcx().sess.opts.actually_rustdoc { let obligation = Obligation::with_depth( + self.selcx.tcx(), self.cause.clone(), recursion_limit.0, self.param_env, @@ -1110,7 +1112,8 @@ fn opt_normalize_projection_type<'a, 'b, 'tcx>( } } - let obligation = Obligation::with_depth(cause.clone(), depth, param_env, projection_ty); + let obligation = + Obligation::with_depth(selcx.tcx(), cause.clone(), depth, param_env, projection_ty); match project(selcx, &obligation) { Ok(Projected::Progress(Progress { @@ -1343,8 +1346,8 @@ fn assemble_candidate_for_impl_trait_in_trait<'cx, 'tcx>( ty::Binder::dummy(ty::TraitRef { def_id: trait_def_id, substs: trait_substs }) .to_poly_trait_predicate(); - let _ = - selcx.infcx().commit_if_ok(|_| match selcx.select(&obligation.with(trait_predicate)) { + let _ = selcx.infcx().commit_if_ok(|_| { + match selcx.select(&obligation.with(tcx, trait_predicate)) { Ok(Some(super::ImplSource::UserDefined(data))) => { candidate_set.push_candidate(ProjectionCandidate::ImplTraitInTrait( ImplTraitInTraitCandidate::Impl(data), @@ -1364,7 +1367,8 @@ fn assemble_candidate_for_impl_trait_in_trait<'cx, 'tcx>( candidate_set.mark_error(e); return Err(()); } - }); + } + }); } } @@ -1538,7 +1542,7 @@ fn assemble_candidates_from_impls<'cx, 'tcx>( // If we are resolving `<T as TraitRef<...>>::Item == Type`, // start out by selecting the predicate `T as TraitRef<...>`: let poly_trait_ref = ty::Binder::dummy(obligation.predicate.trait_ref(selcx.tcx())); - let trait_obligation = obligation.with(poly_trait_ref.to_poly_trait_predicate()); + let trait_obligation = obligation.with(selcx.tcx(), poly_trait_ref.to_poly_trait_predicate()); let _ = selcx.infcx().commit_if_ok(|_| { let impl_source = match selcx.select(&trait_obligation) { Ok(Some(impl_source)) => impl_source, @@ -1705,12 +1709,12 @@ fn assemble_candidates_from_impls<'cx, 'tcx>( ty::Param(_) | ty::Projection(..) | ty::Opaque(..) if selcx.infcx().predicate_must_hold_modulo_regions( &obligation.with( + selcx.tcx(), ty::Binder::dummy(ty::TraitRef::new( selcx.tcx().require_lang_item(LangItem::Sized, None), selcx.tcx().mk_substs_trait(self_ty, &[]), )) - .without_const() - .to_predicate(selcx.tcx()), + .without_const(), ), ) => { @@ -1966,13 +1970,8 @@ fn confirm_pointee_candidate<'cx, 'tcx>( tcx.require_lang_item(LangItem::Sized, None), tcx.mk_substs_trait(self_ty, &[]), )) - .without_const() - .to_predicate(tcx); - obligations.push(Obligation::new( - obligation.cause.clone(), - obligation.param_env, - sized_predicate, - )); + .without_const(); + obligations.push(obligation.with(tcx, sized_predicate)); } let substs = tcx.mk_substs([self_ty.into()].iter()); @@ -2289,6 +2288,7 @@ fn confirm_impl_trait_in_trait_candidate<'tcx>( obligations.extend(std::iter::zip(predicates.predicates, predicates.spans).map( |(pred, span)| { Obligation::with_depth( + tcx, ObligationCause::new( obligation.cause.span, obligation.cause.body_id, @@ -2342,6 +2342,7 @@ fn assoc_ty_own_obligations<'cx, 'tcx>( nested, ); nested.push(Obligation::with_depth( + tcx, obligation.cause.clone(), obligation.recursion_depth + 1, obligation.param_env, diff --git a/compiler/rustc_trait_selection/src/traits/query/normalize.rs b/compiler/rustc_trait_selection/src/traits/query/normalize.rs index a7932b332c9..f5c98558a25 100644 --- a/compiler/rustc_trait_selection/src/traits/query/normalize.rs +++ b/compiler/rustc_trait_selection/src/traits/query/normalize.rs @@ -208,6 +208,7 @@ impl<'cx, 'tcx> FallibleTypeFolder<'tcx> for QueryNormalizer<'cx, 'tcx> { let recursion_limit = self.tcx().recursion_limit(); if !recursion_limit.value_within_limit(self.anon_depth) { let obligation = Obligation::with_depth( + self.tcx(), self.cause.clone(), recursion_limit.0, self.param_env, diff --git a/compiler/rustc_trait_selection/src/traits/relationships.rs b/compiler/rustc_trait_selection/src/traits/relationships.rs index 8cf500a466b..dfe19a5a86d 100644 --- a/compiler/rustc_trait_selection/src/traits/relationships.rs +++ b/compiler/rustc_trait_selection/src/traits/relationships.rs @@ -1,8 +1,8 @@ use crate::infer::InferCtxt; use crate::traits::query::evaluate_obligation::InferCtxtExt; -use crate::traits::{ObligationCause, PredicateObligation}; +use crate::traits::PredicateObligation; use rustc_infer::traits::TraitEngine; -use rustc_middle::ty::{self, ToPredicate}; +use rustc_middle::ty; pub(crate) fn update<'tcx, T>( engine: &mut T, @@ -25,9 +25,7 @@ pub(crate) fn update<'tcx, T>( // Then construct a new obligation with Self = () added // to the ParamEnv, and see if it holds. - let o = rustc_infer::traits::Obligation::new( - ObligationCause::dummy(), - obligation.param_env, + let o = obligation.with(infcx.tcx, obligation .predicate .kind() @@ -38,8 +36,7 @@ pub(crate) fn update<'tcx, T>( constness: tpred.constness, polarity: tpred.polarity, }) - ) - .to_predicate(infcx.tcx), + ), ); // Don't report overflow errors. Otherwise equivalent to may_hold. if let Ok(result) = infcx.probe(|_| infcx.evaluate_obligation(&o)) && result.may_apply() { diff --git a/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs b/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs index 3671a0d87df..3995ea58db1 100644 --- a/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs +++ b/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs @@ -13,7 +13,7 @@ use rustc_infer::traits::ObligationCause; use rustc_infer::traits::{Obligation, SelectionError, TraitObligation}; use rustc_lint_defs::builtin::DEREF_INTO_DYN_SUPERTRAIT; use rustc_middle::ty::print::with_no_trimmed_paths; -use rustc_middle::ty::{self, ToPredicate, Ty, TypeVisitable}; +use rustc_middle::ty::{self, Ty, TypeVisitable}; use rustc_target::spec::abi::Abi; use crate::traits; @@ -718,9 +718,10 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { }; let obligation = traits::Obligation::new( + tcx, cause.clone(), param_env, - ty::Binder::dummy(trait_ref).without_const().to_predicate(tcx), + ty::Binder::dummy(trait_ref).without_const(), ); if !self.infcx.predicate_may_hold(&obligation) { return None; diff --git a/compiler/rustc_trait_selection/src/traits/select/confirmation.rs b/compiler/rustc_trait_selection/src/traits/select/confirmation.rs index 28b4bae7cbe..9d43f72b85f 100644 --- a/compiler/rustc_trait_selection/src/traits/select/confirmation.rs +++ b/compiler/rustc_trait_selection/src/traits/select/confirmation.rs @@ -194,6 +194,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { &mut obligations, ); obligations.push(Obligation::with_depth( + self.tcx(), obligation.cause.clone(), obligation.recursion_depth + 1, obligation.param_env, @@ -482,11 +483,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { super_trait, &mut nested, ); - nested.push(Obligation::new( - obligation.cause.clone(), - obligation.param_env, - normalized_super_trait, - )); + nested.push(obligation.with(tcx, normalized_super_trait)); } let assoc_types: Vec<_> = tcx @@ -581,11 +578,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { subst_bound, &mut nested, ); - nested.push(Obligation::new( - obligation.cause.clone(), - obligation.param_env, - normalized_bound, - )); + nested.push(obligation.with(tcx, normalized_bound)); } } @@ -644,9 +637,10 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { self.tcx().mk_substs_trait(output_ty, &[]), )); nested.push(Obligation::new( + self.infcx.tcx, cause, obligation.param_env, - tr.to_poly_trait_predicate().to_predicate(self.tcx()), + tr.to_poly_trait_predicate(), )); Ok(ImplSourceFnPointerData { fn_ty: self_ty, nested }) @@ -727,11 +721,9 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { // FIXME: Chalk if !self.tcx().sess.opts.unstable_opts.chalk { - nested.push(Obligation::new( - obligation.cause.clone(), - obligation.param_env, - ty::Binder::dummy(ty::PredicateKind::ClosureKind(closure_def_id, substs, kind)) - .to_predicate(self.tcx()), + nested.push(obligation.with( + self.tcx(), + ty::Binder::dummy(ty::PredicateKind::ClosureKind(closure_def_id, substs, kind)), )); } @@ -860,10 +852,11 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { ); let outlives = ty::OutlivesPredicate(r_a, r_b); nested.push(Obligation::with_depth( + tcx, cause, obligation.recursion_depth + 1, obligation.param_env, - obligation.predicate.rebind(outlives).to_predicate(tcx), + obligation.predicate.rebind(outlives), )); } _ => bug!(), @@ -957,10 +950,11 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { ); let outlives = ty::OutlivesPredicate(r_a, r_b); nested.push(Obligation::with_depth( + tcx, cause, obligation.recursion_depth + 1, obligation.param_env, - obligation.predicate.rebind(outlives).to_predicate(tcx), + obligation.predicate.rebind(outlives), )); } @@ -979,6 +973,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { let predicate_to_obligation = |predicate| { Obligation::with_depth( + tcx, cause.clone(), obligation.recursion_depth + 1, obligation.param_env, @@ -1255,20 +1250,19 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { obligation.param_env, cause.clone(), obligation.recursion_depth + 1, - self_ty - .rebind(ty::TraitPredicate { - trait_ref: ty::TraitRef { - def_id: self.tcx().require_lang_item(LangItem::Destruct, None), - substs: self.tcx().mk_substs_trait(nested_ty, &[]), - }, - constness: ty::BoundConstness::ConstIfConst, - polarity: ty::ImplPolarity::Positive, - }) - .to_predicate(tcx), + self_ty.rebind(ty::TraitPredicate { + trait_ref: ty::TraitRef { + def_id: self.tcx().require_lang_item(LangItem::Destruct, None), + substs: self.tcx().mk_substs_trait(nested_ty, &[]), + }, + constness: ty::BoundConstness::ConstIfConst, + polarity: ty::ImplPolarity::Positive, + }), &mut nested, ); nested.push(Obligation::with_depth( + tcx, cause.clone(), obligation.recursion_depth + 1, obligation.param_env, @@ -1280,18 +1274,17 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { // since it's either not `const Drop` (and we raise an error during selection), // or it's an ADT (and we need to check for a custom impl during selection) _ => { - let predicate = self_ty - .rebind(ty::TraitPredicate { - trait_ref: ty::TraitRef { - def_id: self.tcx().require_lang_item(LangItem::Destruct, None), - substs: self.tcx().mk_substs_trait(nested_ty, &[]), - }, - constness: ty::BoundConstness::ConstIfConst, - polarity: ty::ImplPolarity::Positive, - }) - .to_predicate(tcx); + let predicate = self_ty.rebind(ty::TraitPredicate { + trait_ref: ty::TraitRef { + def_id: self.tcx().require_lang_item(LangItem::Destruct, None), + substs: self.tcx().mk_substs_trait(nested_ty, &[]), + }, + constness: ty::BoundConstness::ConstIfConst, + polarity: ty::ImplPolarity::Positive, + }); nested.push(Obligation::with_depth( + tcx, cause.clone(), obligation.recursion_depth + 1, obligation.param_env, diff --git a/compiler/rustc_trait_selection/src/traits/select/mod.rs b/compiler/rustc_trait_selection/src/traits/select/mod.rs index 3a899c03b4c..c369c5de52b 100644 --- a/compiler/rustc_trait_selection/src/traits/select/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/select/mod.rs @@ -445,7 +445,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { ty::PredicateKind::Trait(t) => { let t = bound_predicate.rebind(t); debug_assert!(!t.has_escaping_bound_vars()); - let obligation = obligation.with(t); + let obligation = obligation.with(self.tcx(), t); self.evaluate_trait_predicate_recursively(previous_stack, obligation) } @@ -596,7 +596,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { ty::PredicateKind::Projection(data) => { let data = bound_predicate.rebind(data); - let project_obligation = obligation.with(data); + let project_obligation = obligation.with(self.tcx(), data); match project::poly_project_and_unify_type(self, &project_obligation) { ProjectAndUnifyResult::Holds(mut subobligations) => { 'compute_res: { diff --git a/compiler/rustc_trait_selection/src/traits/wf.rs b/compiler/rustc_trait_selection/src/traits/wf.rs index fc0a9f69003..d05e893de43 100644 --- a/compiler/rustc_trait_selection/src/traits/wf.rs +++ b/compiler/rustc_trait_selection/src/traits/wf.rs @@ -4,7 +4,7 @@ use rustc_hir as hir; use rustc_hir::def_id::DefId; use rustc_hir::lang_items::LangItem; use rustc_middle::ty::subst::{GenericArg, GenericArgKind, SubstsRef}; -use rustc_middle::ty::{self, ToPredicate, Ty, TyCtxt, TypeVisitable}; +use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitable}; use rustc_span::Span; use std::iter; @@ -324,7 +324,7 @@ impl<'tcx> WfPredicates<'tcx> { extend_cause_with_original_assoc_item_obligation( tcx, trait_ref, item, &mut cause, predicate, ); - traits::Obligation::with_depth(cause, depth, param_env, predicate) + traits::Obligation::with_depth(tcx, cause, depth, param_env, predicate) }; if let Elaborate::All = elaborate { @@ -356,10 +356,11 @@ impl<'tcx> WfPredicates<'tcx> { } } traits::Obligation::with_depth( + tcx, cause, depth, param_env, - ty::Binder::dummy(ty::PredicateKind::WellFormed(arg)).to_predicate(tcx), + ty::Binder::dummy(ty::PredicateKind::WellFormed(arg)), ) }), ); @@ -407,10 +408,11 @@ impl<'tcx> WfPredicates<'tcx> { .filter(|arg| !arg.has_escaping_bound_vars()) .map(|arg| { traits::Obligation::with_depth( + tcx, cause.clone(), depth, param_env, - ty::Binder::dummy(ty::PredicateKind::WellFormed(arg)).to_predicate(tcx), + ty::Binder::dummy(ty::PredicateKind::WellFormed(arg)), ) }), ); @@ -424,10 +426,11 @@ impl<'tcx> WfPredicates<'tcx> { substs: self.tcx.mk_substs_trait(subty, &[]), }; self.out.push(traits::Obligation::with_depth( + self.tcx, cause, self.recursion_depth, self.param_env, - ty::Binder::dummy(trait_ref).without_const().to_predicate(self.tcx), + ty::Binder::dummy(trait_ref).without_const(), )); } } @@ -454,10 +457,10 @@ impl<'tcx> WfPredicates<'tcx> { self.out.extend(obligations); let predicate = - ty::Binder::dummy(ty::PredicateKind::ConstEvaluatable(ct)) - .to_predicate(self.tcx()); + ty::Binder::dummy(ty::PredicateKind::ConstEvaluatable(ct)); let cause = self.cause(traits::WellFormed(None)); self.out.push(traits::Obligation::with_depth( + self.tcx(), cause, self.recursion_depth, self.param_env, @@ -468,11 +471,11 @@ impl<'tcx> WfPredicates<'tcx> { let cause = self.cause(traits::WellFormed(None)); self.out.push(traits::Obligation::with_depth( + self.tcx(), cause, self.recursion_depth, self.param_env, - ty::Binder::dummy(ty::PredicateKind::WellFormed(ct.into())) - .to_predicate(self.tcx()), + ty::Binder::dummy(ty::PredicateKind::WellFormed(ct.into())), )); } ty::ConstKind::Error(_) @@ -556,13 +559,13 @@ impl<'tcx> WfPredicates<'tcx> { if !r.has_escaping_bound_vars() && !rty.has_escaping_bound_vars() { let cause = self.cause(traits::ReferenceOutlivesReferent(ty)); self.out.push(traits::Obligation::with_depth( + self.tcx(), cause, depth, param_env, ty::Binder::dummy(ty::PredicateKind::TypeOutlives( ty::OutlivesPredicate(rty, r), - )) - .to_predicate(self.tcx()), + )), )); } } @@ -656,11 +659,11 @@ impl<'tcx> WfPredicates<'tcx> { let tcx = self.tcx(); self.out.extend(component_traits.map(|did| { traits::Obligation::with_depth( + tcx, cause.clone(), depth, param_env, - ty::Binder::dummy(ty::PredicateKind::ObjectSafe(did)) - .to_predicate(tcx), + ty::Binder::dummy(ty::PredicateKind::ObjectSafe(did)), ) })); } @@ -681,11 +684,11 @@ impl<'tcx> WfPredicates<'tcx> { ty::Infer(_) => { let cause = self.cause(traits::WellFormed(None)); self.out.push(traits::Obligation::with_depth( + self.tcx(), cause, self.recursion_depth, param_env, - ty::Binder::dummy(ty::PredicateKind::WellFormed(ty.into())) - .to_predicate(self.tcx()), + ty::Binder::dummy(ty::PredicateKind::WellFormed(ty.into())), )); } } @@ -724,7 +727,13 @@ impl<'tcx> WfPredicates<'tcx> { if remap_constness { pred = pred.without_const(self.tcx); } - traits::Obligation::with_depth(cause, self.recursion_depth, self.param_env, pred) + traits::Obligation::with_depth( + self.tcx, + cause, + self.recursion_depth, + self.param_env, + pred, + ) }) .filter(|pred| !pred.has_escaping_bound_vars()) .collect() @@ -794,10 +803,11 @@ impl<'tcx> WfPredicates<'tcx> { let outlives = ty::Binder::dummy(ty::OutlivesPredicate(explicit_bound, implicit_bound)); self.out.push(traits::Obligation::with_depth( + self.tcx, cause, self.recursion_depth, self.param_env, - outlives.to_predicate(self.tcx), + outlives, )); } } diff --git a/compiler/rustc_traits/src/evaluate_obligation.rs b/compiler/rustc_traits/src/evaluate_obligation.rs index 493d5de0807..e94c8efe69a 100644 --- a/compiler/rustc_traits/src/evaluate_obligation.rs +++ b/compiler/rustc_traits/src/evaluate_obligation.rs @@ -26,7 +26,7 @@ fn evaluate_obligation<'tcx>( let ParamEnvAnd { param_env, value: predicate } = goal; let mut selcx = SelectionContext::with_query_mode(&infcx, TraitQueryMode::Canonical); - let obligation = Obligation::new(ObligationCause::dummy(), param_env, predicate); + let obligation = Obligation::new(tcx, ObligationCause::dummy(), param_env, predicate); selcx.evaluate_root_obligation(&obligation) } diff --git a/compiler/rustc_traits/src/type_op.rs b/compiler/rustc_traits/src/type_op.rs index 98cb3f21555..9eceae8b44f 100644 --- a/compiler/rustc_traits/src/type_op.rs +++ b/compiler/rustc_traits/src/type_op.rs @@ -91,7 +91,12 @@ impl<'me, 'tcx> AscribeUserTypeCx<'me, 'tcx> { } fn prove_predicate(&self, predicate: Predicate<'tcx>, cause: ObligationCause<'tcx>) { - self.ocx.register_obligation(Obligation::new(cause, self.param_env, predicate)); + self.ocx.register_obligation(Obligation::new( + self.ocx.infcx.tcx, + cause, + self.param_env, + predicate, + )); } fn tcx(&self) -> TyCtxt<'tcx> { @@ -256,5 +261,5 @@ pub fn type_op_prove_predicate_with_cause<'tcx>( cause: ObligationCause<'tcx>, ) { let (param_env, ProvePredicate { predicate }) = key.into_parts(); - ocx.register_obligation(Obligation::new(cause, param_env, predicate)); + ocx.register_obligation(Obligation::new(ocx.infcx.tcx, cause, param_env, predicate)); } diff --git a/library/alloc/benches/str.rs b/library/alloc/benches/str.rs index 391475bc0c7..54af389dedc 100644 --- a/library/alloc/benches/str.rs +++ b/library/alloc/benches/str.rs @@ -1,3 +1,4 @@ +use core::iter::Iterator; use test::{black_box, Bencher}; #[bench] @@ -122,14 +123,13 @@ fn bench_contains_short_short(b: &mut Bencher) { let haystack = "Lorem ipsum dolor sit amet, consectetur adipiscing elit."; let needle = "sit"; + b.bytes = haystack.len() as u64; b.iter(|| { - assert!(haystack.contains(needle)); + assert!(black_box(haystack).contains(black_box(needle))); }) } -#[bench] -fn bench_contains_short_long(b: &mut Bencher) { - let haystack = "\ +static LONG_HAYSTACK: &str = "\ Lorem ipsum dolor sit amet, consectetur adipiscing elit. Suspendisse quis lorem sit amet dolor \ ultricies condimentum. Praesent iaculis purus elit, ac malesuada quam malesuada in. Duis sed orci \ eros. Suspendisse sit amet magna mollis, mollis nunc luctus, imperdiet mi. Integer fringilla non \ @@ -164,10 +164,48 @@ feugiat. Etiam quis mauris vel risus luctus mattis a a nunc. Nullam orci quam, i vehicula in, porttitor ut nibh. Duis sagittis adipiscing nisl vitae congue. Donec mollis risus eu \ leo suscipit, varius porttitor nulla porta. Pellentesque ut sem nec nisi euismod vehicula. Nulla \ malesuada sollicitudin quam eu fermentum."; + +#[bench] +fn bench_contains_2b_repeated_long(b: &mut Bencher) { + let haystack = LONG_HAYSTACK; + let needle = "::"; + + b.bytes = haystack.len() as u64; + b.iter(|| { + assert!(!black_box(haystack).contains(black_box(needle))); + }) +} + +#[bench] +fn bench_contains_short_long(b: &mut Bencher) { + let haystack = LONG_HAYSTACK; let needle = "english"; + b.bytes = haystack.len() as u64; + b.iter(|| { + assert!(!black_box(haystack).contains(black_box(needle))); + }) +} + +#[bench] +fn bench_contains_16b_in_long(b: &mut Bencher) { + let haystack = LONG_HAYSTACK; + let needle = "english language"; + + b.bytes = haystack.len() as u64; + b.iter(|| { + assert!(!black_box(haystack).contains(black_box(needle))); + }) +} + +#[bench] +fn bench_contains_32b_in_long(b: &mut Bencher) { + let haystack = LONG_HAYSTACK; + let needle = "the english language sample text"; + + b.bytes = haystack.len() as u64; b.iter(|| { - assert!(!haystack.contains(needle)); + assert!(!black_box(haystack).contains(black_box(needle))); }) } @@ -176,8 +214,20 @@ fn bench_contains_bad_naive(b: &mut Bencher) { let haystack = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"; let needle = "aaaaaaaab"; + b.bytes = haystack.len() as u64; + b.iter(|| { + assert!(!black_box(haystack).contains(black_box(needle))); + }) +} + +#[bench] +fn bench_contains_bad_simd(b: &mut Bencher) { + let haystack = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"; + let needle = "aaabaaaa"; + + b.bytes = haystack.len() as u64; b.iter(|| { - assert!(!haystack.contains(needle)); + assert!(!black_box(haystack).contains(black_box(needle))); }) } @@ -186,8 +236,9 @@ fn bench_contains_equal(b: &mut Bencher) { let haystack = "Lorem ipsum dolor sit amet, consectetur adipiscing elit."; let needle = "Lorem ipsum dolor sit amet, consectetur adipiscing elit."; + b.bytes = haystack.len() as u64; b.iter(|| { - assert!(haystack.contains(needle)); + assert!(black_box(haystack).contains(black_box(needle))); }) } diff --git a/library/alloc/src/rc.rs b/library/alloc/src/rc.rs index 006d813e5f9..f3cbfe27b3e 100644 --- a/library/alloc/src/rc.rs +++ b/library/alloc/src/rc.rs @@ -293,6 +293,15 @@ struct RcBox<T: ?Sized> { value: T, } +/// Calculate layout for `RcBox<T>` using the inner value's layout +fn rcbox_layout_for_value_layout(layout: Layout) -> Layout { + // Calculate layout using the given value layout. + // Previously, layout was calculated on the expression + // `&*(ptr as *const RcBox<T>)`, but this created a misaligned + // reference (see #54908). + Layout::new::<RcBox<()>>().extend(layout).unwrap().0.pad_to_align() +} + /// A single-threaded reference-counting pointer. 'Rc' stands for 'Reference /// Counted'. /// @@ -1334,11 +1343,7 @@ impl<T: ?Sized> Rc<T> { allocate: impl FnOnce(Layout) -> Result<NonNull<[u8]>, AllocError>, mem_to_rcbox: impl FnOnce(*mut u8) -> *mut RcBox<T>, ) -> *mut RcBox<T> { - // Calculate layout using the given value layout. - // Previously, layout was calculated on the expression - // `&*(ptr as *const RcBox<T>)`, but this created a misaligned - // reference (see #54908). - let layout = Layout::new::<RcBox<()>>().extend(value_layout).unwrap().0.pad_to_align(); + let layout = rcbox_layout_for_value_layout(value_layout); unsafe { Rc::try_allocate_for_layout(value_layout, allocate, mem_to_rcbox) .unwrap_or_else(|_| handle_alloc_error(layout)) @@ -1357,11 +1362,7 @@ impl<T: ?Sized> Rc<T> { allocate: impl FnOnce(Layout) -> Result<NonNull<[u8]>, AllocError>, mem_to_rcbox: impl FnOnce(*mut u8) -> *mut RcBox<T>, ) -> Result<*mut RcBox<T>, AllocError> { - // Calculate layout using the given value layout. - // Previously, layout was calculated on the expression - // `&*(ptr as *const RcBox<T>)`, but this created a misaligned - // reference (see #54908). - let layout = Layout::new::<RcBox<()>>().extend(value_layout).unwrap().0.pad_to_align(); + let layout = rcbox_layout_for_value_layout(value_layout); // Allocate for the layout. let ptr = allocate(layout)?; @@ -1428,7 +1429,7 @@ impl<T> Rc<[T]> { } } - /// Copy elements from slice into newly allocated Rc<\[T\]> + /// Copy elements from slice into newly allocated `Rc<[T]>` /// /// Unsafe because the caller must either take ownership or bind `T: Copy` #[cfg(not(no_global_oom_handling))] @@ -1440,6 +1441,48 @@ impl<T> Rc<[T]> { } } + /// Create an `Rc<[T]>` by reusing the underlying memory + /// of a `Vec<T>`. This will return the vector if the existing allocation + /// is not large enough. + #[cfg(not(no_global_oom_handling))] + fn try_from_vec_in_place(mut v: Vec<T>) -> Result<Rc<[T]>, Vec<T>> { + let layout_elements = Layout::array::<T>(v.len()).unwrap(); + let layout_allocation = Layout::array::<T>(v.capacity()).unwrap(); + let layout_rcbox = rcbox_layout_for_value_layout(layout_elements); + let mut ptr = NonNull::new(v.as_mut_ptr()).expect("`Vec<T>` stores `NonNull<T>`"); + if layout_rcbox.size() > layout_allocation.size() + || layout_rcbox.align() > layout_allocation.align() + { + // Can't fit - calling `grow` would involve `realloc` + // (which copies the elements), followed by copying again. + return Err(v); + } + if layout_rcbox.size() < layout_allocation.size() + || layout_rcbox.align() < layout_allocation.align() + { + // We need to shrink the allocation so that it fits + // https://doc.rust-lang.org/nightly/std/alloc/trait.Allocator.html#memory-fitting + // SAFETY: + // - Vec allocates by requesting `Layout::array::<T>(capacity)`, so this capacity matches + // - `layout_rcbox` is smaller + // If this fails, the ownership has not been transferred + if let Ok(p) = unsafe { Global.shrink(ptr.cast(), layout_allocation, layout_rcbox) } { + ptr = p.cast(); + } else { + return Err(v); + } + } + // Make sure the vec's memory isn't deallocated now + let v = mem::ManuallyDrop::new(v); + let ptr: *mut RcBox<[T]> = ptr::slice_from_raw_parts_mut(ptr.as_ptr(), v.len()) as _; + unsafe { + ptr::copy(ptr.cast::<T>(), &mut (*ptr).value as *mut [T] as *mut T, v.len()); + ptr::write(&mut (*ptr).strong, Cell::new(1)); + ptr::write(&mut (*ptr).weak, Cell::new(1)); + Ok(Self::from_ptr(ptr)) + } + } + /// Constructs an `Rc<[T]>` from an iterator known to be of a certain size. /// /// Behavior is undefined should the size be wrong. @@ -1965,14 +2008,17 @@ impl<T> From<Vec<T>> for Rc<[T]> { /// assert_eq!(vec![1, 2, 3], *shared); /// ``` #[inline] - fn from(mut v: Vec<T>) -> Rc<[T]> { - unsafe { - let rc = Rc::copy_from_slice(&v); - - // Allow the Vec to free its memory, but not destroy its contents - v.set_len(0); - - rc + fn from(v: Vec<T>) -> Rc<[T]> { + match Rc::try_from_vec_in_place(v) { + Ok(rc) => rc, + Err(mut v) => { + unsafe { + let rc = Rc::copy_from_slice(&v); + // Allow the Vec to free its memory, but not destroy its contents + v.set_len(0); + rc + } + } } } } diff --git a/library/alloc/src/sync.rs b/library/alloc/src/sync.rs index 81cd7707488..37e07eb5998 100644 --- a/library/alloc/src/sync.rs +++ b/library/alloc/src/sync.rs @@ -333,6 +333,15 @@ struct ArcInner<T: ?Sized> { data: T, } +/// Calculate layout for `ArcInner<T>` using the inner value's layout +fn arcinner_layout_for_value_layout(layout: Layout) -> Layout { + // Calculate layout using the given value layout. + // Previously, layout was calculated on the expression + // `&*(ptr as *const ArcInner<T>)`, but this created a misaligned + // reference (see #54908). + Layout::new::<ArcInner<()>>().extend(layout).unwrap().0.pad_to_align() +} + unsafe impl<T: ?Sized + Sync + Send> Send for ArcInner<T> {} unsafe impl<T: ?Sized + Sync + Send> Sync for ArcInner<T> {} @@ -1154,11 +1163,7 @@ impl<T: ?Sized> Arc<T> { allocate: impl FnOnce(Layout) -> Result<NonNull<[u8]>, AllocError>, mem_to_arcinner: impl FnOnce(*mut u8) -> *mut ArcInner<T>, ) -> *mut ArcInner<T> { - // Calculate layout using the given value layout. - // Previously, layout was calculated on the expression - // `&*(ptr as *const ArcInner<T>)`, but this created a misaligned - // reference (see #54908). - let layout = Layout::new::<ArcInner<()>>().extend(value_layout).unwrap().0.pad_to_align(); + let layout = arcinner_layout_for_value_layout(value_layout); unsafe { Arc::try_allocate_for_layout(value_layout, allocate, mem_to_arcinner) .unwrap_or_else(|_| handle_alloc_error(layout)) @@ -1176,11 +1181,7 @@ impl<T: ?Sized> Arc<T> { allocate: impl FnOnce(Layout) -> Result<NonNull<[u8]>, AllocError>, mem_to_arcinner: impl FnOnce(*mut u8) -> *mut ArcInner<T>, ) -> Result<*mut ArcInner<T>, AllocError> { - // Calculate layout using the given value layout. - // Previously, layout was calculated on the expression - // `&*(ptr as *const ArcInner<T>)`, but this created a misaligned - // reference (see #54908). - let layout = Layout::new::<ArcInner<()>>().extend(value_layout).unwrap().0.pad_to_align(); + let layout = arcinner_layout_for_value_layout(value_layout); let ptr = allocate(layout)?; @@ -1246,7 +1247,7 @@ impl<T> Arc<[T]> { } } - /// Copy elements from slice into newly allocated Arc<\[T\]> + /// Copy elements from slice into newly allocated `Arc<[T]>` /// /// Unsafe because the caller must either take ownership or bind `T: Copy`. #[cfg(not(no_global_oom_handling))] @@ -1260,6 +1261,49 @@ impl<T> Arc<[T]> { } } + /// Create an `Arc<[T]>` by reusing the underlying memory + /// of a `Vec<T>`. This will return the vector if the existing allocation + /// is not large enough. + #[cfg(not(no_global_oom_handling))] + fn try_from_vec_in_place(mut v: Vec<T>) -> Result<Arc<[T]>, Vec<T>> { + let layout_elements = Layout::array::<T>(v.len()).unwrap(); + let layout_allocation = Layout::array::<T>(v.capacity()).unwrap(); + let layout_arcinner = arcinner_layout_for_value_layout(layout_elements); + let mut ptr = NonNull::new(v.as_mut_ptr()).expect("`Vec<T>` stores `NonNull<T>`"); + if layout_arcinner.size() > layout_allocation.size() + || layout_arcinner.align() > layout_allocation.align() + { + // Can't fit - calling `grow` would involve `realloc` + // (which copies the elements), followed by copying again. + return Err(v); + } + if layout_arcinner.size() < layout_allocation.size() + || layout_arcinner.align() < layout_allocation.align() + { + // We need to shrink the allocation so that it fits + // https://doc.rust-lang.org/nightly/std/alloc/trait.Allocator.html#memory-fitting + // SAFETY: + // - Vec allocates by requesting `Layout::array::<T>(capacity)`, so this capacity matches + // - `layout_arcinner` is smaller + // If this fails, the ownership has not been transferred + if let Ok(p) = unsafe { Global.shrink(ptr.cast(), layout_allocation, layout_arcinner) } + { + ptr = p.cast(); + } else { + return Err(v); + } + } + // Make sure the vec's memory isn't deallocated now + let v = mem::ManuallyDrop::new(v); + let ptr: *mut ArcInner<[T]> = ptr::slice_from_raw_parts_mut(ptr.as_ptr(), v.len()) as _; + unsafe { + ptr::copy(ptr.cast::<T>(), &mut (*ptr).data as *mut [T] as *mut T, v.len()); + ptr::write(&mut (*ptr).strong, atomic::AtomicUsize::new(1)); + ptr::write(&mut (*ptr).weak, atomic::AtomicUsize::new(1)); + Ok(Self::from_ptr(ptr)) + } + } + /// Constructs an `Arc<[T]>` from an iterator known to be of a certain size. /// /// Behavior is undefined should the size be wrong. @@ -2571,14 +2615,17 @@ impl<T> From<Vec<T>> for Arc<[T]> { /// assert_eq!(&[1, 2, 3], &shared[..]); /// ``` #[inline] - fn from(mut v: Vec<T>) -> Arc<[T]> { - unsafe { - let arc = Arc::copy_from_slice(&v); - - // Allow the Vec to free its memory, but not destroy its contents - v.set_len(0); - - arc + fn from(v: Vec<T>) -> Arc<[T]> { + match Arc::try_from_vec_in_place(v) { + Ok(rc) => rc, + Err(mut v) => { + unsafe { + let rc = Arc::copy_from_slice(&v); + // Allow the Vec to free its memory, but not destroy its contents + v.set_len(0); + rc + } + } } } } diff --git a/library/alloc/tests/arc.rs b/library/alloc/tests/arc.rs index ce40b5c9b0a..eb379e4d6a1 100644 --- a/library/alloc/tests/arc.rs +++ b/library/alloc/tests/arc.rs @@ -210,3 +210,18 @@ fn weak_may_dangle() { // `val` dropped here while still borrowed // borrow might be used here, when `val` is dropped and runs the `Drop` code for type `std::sync::Weak` } + +#[test] +fn arc_from_vec_opt() { + let mut v = Vec::with_capacity(64); + v.push(0usize); + let addr = v.as_ptr().cast::<u8>(); + let arc: Arc<[_]> = v.into(); + unsafe { + assert_eq!( + arc.as_ptr().cast::<u8>().offset_from(addr), + (std::mem::size_of::<usize>() * 2) as isize, + "Vector allocation not reused" + ); + } +} diff --git a/library/alloc/tests/rc.rs b/library/alloc/tests/rc.rs index efb39a60966..1d5f3c52006 100644 --- a/library/alloc/tests/rc.rs +++ b/library/alloc/tests/rc.rs @@ -206,3 +206,18 @@ fn weak_may_dangle() { // `val` dropped here while still borrowed // borrow might be used here, when `val` is dropped and runs the `Drop` code for type `std::rc::Weak` } + +#[test] +fn rc_from_vec_opt() { + let mut v = Vec::with_capacity(64); + v.push(0usize); + let addr = v.as_ptr().cast::<u8>(); + let rc: Rc<[_]> = v.into(); + unsafe { + assert_eq!( + rc.as_ptr().cast::<u8>().offset_from(addr), + (std::mem::size_of::<usize>() * 2) as isize, + "Vector allocation not reused" + ); + } +} diff --git a/library/alloc/tests/str.rs b/library/alloc/tests/str.rs index e30329aa1cb..9689196ef21 100644 --- a/library/alloc/tests/str.rs +++ b/library/alloc/tests/str.rs @@ -1590,11 +1590,27 @@ fn test_bool_from_str() { assert_eq!("not even a boolean".parse::<bool>().ok(), None); } -fn check_contains_all_substrings(s: &str) { - assert!(s.contains("")); - for i in 0..s.len() { - for j in i + 1..=s.len() { - assert!(s.contains(&s[i..j])); +fn check_contains_all_substrings(haystack: &str) { + let mut modified_needle = String::new(); + + for i in 0..haystack.len() { + // check different haystack lengths since we special-case short haystacks. + let haystack = &haystack[0..i]; + assert!(haystack.contains("")); + for j in 0..haystack.len() { + for k in j + 1..=haystack.len() { + let needle = &haystack[j..k]; + assert!(haystack.contains(needle)); + modified_needle.clear(); + modified_needle.push_str(needle); + modified_needle.replace_range(0..1, "\0"); + assert!(!haystack.contains(&modified_needle)); + + modified_needle.clear(); + modified_needle.push_str(needle); + modified_needle.replace_range(needle.len() - 1..needle.len(), "\0"); + assert!(!haystack.contains(&modified_needle)); + } } } } diff --git a/library/core/src/future/mod.rs b/library/core/src/future/mod.rs index 6487aa08859..107cf92c1c0 100644 --- a/library/core/src/future/mod.rs +++ b/library/core/src/future/mod.rs @@ -82,6 +82,7 @@ where impl<T: Generator<ResumeTy, Yield = ()>> Future for GenFuture<T> { type Output = T::Return; + #[track_caller] fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> { // SAFETY: Safe because we're !Unpin + !Drop, and this is just a field projection. let gen = unsafe { Pin::map_unchecked_mut(self, |s| &mut s.0) }; diff --git a/library/core/src/macros/mod.rs b/library/core/src/macros/mod.rs index 34247c05845..c20ca69a1c6 100644 --- a/library/core/src/macros/mod.rs +++ b/library/core/src/macros/mod.rs @@ -338,6 +338,7 @@ pub macro debug_assert_matches($($arg:tt)*) { /// ``` #[macro_export] #[stable(feature = "matches_macro", since = "1.42.0")] +#[cfg_attr(not(test), rustc_diagnostic_item = "matches_macro")] macro_rules! matches { ($expression:expr, $(|)? $( $pattern:pat_param )|+ $( if $guard: expr )? $(,)?) => { match $expression { diff --git a/library/core/src/str/pattern.rs b/library/core/src/str/pattern.rs index ec2cb429e67..c5be32861f9 100644 --- a/library/core/src/str/pattern.rs +++ b/library/core/src/str/pattern.rs @@ -39,6 +39,7 @@ )] use crate::cmp; +use crate::cmp::Ordering; use crate::fmt; use crate::slice::memchr; @@ -946,6 +947,32 @@ impl<'a, 'b> Pattern<'a> for &'b str { haystack.as_bytes().starts_with(self.as_bytes()) } + /// Checks whether the pattern matches anywhere in the haystack + #[inline] + fn is_contained_in(self, haystack: &'a str) -> bool { + if self.len() == 0 { + return true; + } + + match self.len().cmp(&haystack.len()) { + Ordering::Less => { + if self.len() == 1 { + return haystack.as_bytes().contains(&self.as_bytes()[0]); + } + + #[cfg(all(target_arch = "x86_64", target_feature = "sse2"))] + if self.len() <= 32 { + if let Some(result) = simd_contains(self, haystack) { + return result; + } + } + + self.into_searcher(haystack).next_match().is_some() + } + _ => self == haystack, + } + } + /// Removes the pattern from the front of haystack, if it matches. #[inline] fn strip_prefix_of(self, haystack: &'a str) -> Option<&'a str> { @@ -1684,3 +1711,208 @@ impl TwoWayStrategy for RejectAndMatch { SearchStep::Match(a, b) } } + +/// SIMD search for short needles based on +/// Wojciech MuÅ‚a's "SIMD-friendly algorithms for substring searching"[0] +/// +/// It skips ahead by the vector width on each iteration (rather than the needle length as two-way +/// does) by probing the first and last byte of the needle for the whole vector width +/// and only doing full needle comparisons when the vectorized probe indicated potential matches. +/// +/// Since the x86_64 baseline only offers SSE2 we only use u8x16 here. +/// If we ever ship std with for x86-64-v3 or adapt this for other platforms then wider vectors +/// should be evaluated. +/// +/// For haystacks smaller than vector-size + needle length it falls back to +/// a naive O(n*m) search so this implementation should not be called on larger needles. +/// +/// [0]: http://0x80.pl/articles/simd-strfind.html#sse-avx2 +#[cfg(all(target_arch = "x86_64", target_feature = "sse2"))] +#[inline] +fn simd_contains(needle: &str, haystack: &str) -> Option<bool> { + let needle = needle.as_bytes(); + let haystack = haystack.as_bytes(); + + debug_assert!(needle.len() > 1); + + use crate::ops::BitAnd; + use crate::simd::mask8x16 as Mask; + use crate::simd::u8x16 as Block; + use crate::simd::{SimdPartialEq, ToBitMask}; + + let first_probe = needle[0]; + + // the offset used for the 2nd vector + let second_probe_offset = if needle.len() == 2 { + // never bail out on len=2 needles because the probes will fully cover them and have + // no degenerate cases. + 1 + } else { + // try a few bytes in case first and last byte of the needle are the same + let Some(second_probe_offset) = (needle.len().saturating_sub(4)..needle.len()).rfind(|&idx| needle[idx] != first_probe) else { + // fall back to other search methods if we can't find any different bytes + // since we could otherwise hit some degenerate cases + return None; + }; + second_probe_offset + }; + + // do a naive search if the haystack is too small to fit + if haystack.len() < Block::LANES + second_probe_offset { + return Some(haystack.windows(needle.len()).any(|c| c == needle)); + } + + let first_probe: Block = Block::splat(first_probe); + let second_probe: Block = Block::splat(needle[second_probe_offset]); + // first byte are already checked by the outer loop. to verify a match only the + // remainder has to be compared. + let trimmed_needle = &needle[1..]; + + // this #[cold] is load-bearing, benchmark before removing it... + let check_mask = #[cold] + |idx, mask: u16, skip: bool| -> bool { + if skip { + return false; + } + + // and so is this. optimizations are weird. + let mut mask = mask; + + while mask != 0 { + let trailing = mask.trailing_zeros(); + let offset = idx + trailing as usize + 1; + // SAFETY: mask is between 0 and 15 trailing zeroes, we skip one additional byte that was already compared + // and then take trimmed_needle.len() bytes. This is within the bounds defined by the outer loop + unsafe { + let sub = haystack.get_unchecked(offset..).get_unchecked(..trimmed_needle.len()); + if small_slice_eq(sub, trimmed_needle) { + return true; + } + } + mask &= !(1 << trailing); + } + return false; + }; + + let test_chunk = |idx| -> u16 { + // SAFETY: this requires at least LANES bytes being readable at idx + // that is ensured by the loop ranges (see comments below) + let a: Block = unsafe { haystack.as_ptr().add(idx).cast::<Block>().read_unaligned() }; + // SAFETY: this requires LANES + block_offset bytes being readable at idx + let b: Block = unsafe { + haystack.as_ptr().add(idx).add(second_probe_offset).cast::<Block>().read_unaligned() + }; + let eq_first: Mask = a.simd_eq(first_probe); + let eq_last: Mask = b.simd_eq(second_probe); + let both = eq_first.bitand(eq_last); + let mask = both.to_bitmask(); + + return mask; + }; + + let mut i = 0; + let mut result = false; + // The loop condition must ensure that there's enough headroom to read LANE bytes, + // and not only at the current index but also at the index shifted by block_offset + const UNROLL: usize = 4; + while i + second_probe_offset + UNROLL * Block::LANES < haystack.len() && !result { + let mut masks = [0u16; UNROLL]; + for j in 0..UNROLL { + masks[j] = test_chunk(i + j * Block::LANES); + } + for j in 0..UNROLL { + let mask = masks[j]; + if mask != 0 { + result |= check_mask(i + j * Block::LANES, mask, result); + } + } + i += UNROLL * Block::LANES; + } + while i + second_probe_offset + Block::LANES < haystack.len() && !result { + let mask = test_chunk(i); + if mask != 0 { + result |= check_mask(i, mask, result); + } + i += Block::LANES; + } + + // Process the tail that didn't fit into LANES-sized steps. + // This simply repeats the same procedure but as right-aligned chunk instead + // of a left-aligned one. The last byte must be exactly flush with the string end so + // we don't miss a single byte or read out of bounds. + let i = haystack.len() - second_probe_offset - Block::LANES; + let mask = test_chunk(i); + if mask != 0 { + result |= check_mask(i, mask, result); + } + + Some(result) +} + +/// Compares short slices for equality. +/// +/// It avoids a call to libc's memcmp which is faster on long slices +/// due to SIMD optimizations but it incurs a function call overhead. +/// +/// # Safety +/// +/// Both slices must have the same length. +#[cfg(all(target_arch = "x86_64", target_feature = "sse2"))] // only called on x86 +#[inline] +unsafe fn small_slice_eq(x: &[u8], y: &[u8]) -> bool { + // This function is adapted from + // https://github.com/BurntSushi/memchr/blob/8037d11b4357b0f07be2bb66dc2659d9cf28ad32/src/memmem/util.rs#L32 + + // If we don't have enough bytes to do 4-byte at a time loads, then + // fall back to the naive slow version. + // + // Potential alternative: We could do a copy_nonoverlapping combined with a mask instead + // of a loop. Benchmark it. + if x.len() < 4 { + for (&b1, &b2) in x.iter().zip(y) { + if b1 != b2 { + return false; + } + } + return true; + } + // When we have 4 or more bytes to compare, then proceed in chunks of 4 at + // a time using unaligned loads. + // + // Also, why do 4 byte loads instead of, say, 8 byte loads? The reason is + // that this particular version of memcmp is likely to be called with tiny + // needles. That means that if we do 8 byte loads, then a higher proportion + // of memcmp calls will use the slower variant above. With that said, this + // is a hypothesis and is only loosely supported by benchmarks. There's + // likely some improvement that could be made here. The main thing here + // though is to optimize for latency, not throughput. + + // SAFETY: Via the conditional above, we know that both `px` and `py` + // have the same length, so `px < pxend` implies that `py < pyend`. + // Thus, derefencing both `px` and `py` in the loop below is safe. + // + // Moreover, we set `pxend` and `pyend` to be 4 bytes before the actual + // end of of `px` and `py`. Thus, the final dereference outside of the + // loop is guaranteed to be valid. (The final comparison will overlap with + // the last comparison done in the loop for lengths that aren't multiples + // of four.) + // + // Finally, we needn't worry about alignment here, since we do unaligned + // loads. + unsafe { + let (mut px, mut py) = (x.as_ptr(), y.as_ptr()); + let (pxend, pyend) = (px.add(x.len() - 4), py.add(y.len() - 4)); + while px < pxend { + let vx = (px as *const u32).read_unaligned(); + let vy = (py as *const u32).read_unaligned(); + if vx != vy { + return false; + } + px = px.add(4); + py = py.add(4); + } + let vx = (pxend as *const u32).read_unaligned(); + let vy = (pyend as *const u32).read_unaligned(); + vx == vy + } +} diff --git a/src/bootstrap/cc_detect.rs b/src/bootstrap/cc_detect.rs index 7795bebaed5..65c882fb801 100644 --- a/src/bootstrap/cc_detect.rs +++ b/src/bootstrap/cc_detect.rs @@ -168,23 +168,7 @@ fn set_compiler( // compiler already takes into account the triple in question. t if t.contains("android") => { if let Some(ndk) = config.and_then(|c| c.ndk.as_ref()) { - let mut triple_iter = target.triple.split("-"); - let triple_translated = if let Some(arch) = triple_iter.next() { - let arch_new = match arch { - "arm" | "armv7" | "armv7neon" | "thumbv7" | "thumbv7neon" => "armv7a", - other => other, - }; - std::iter::once(arch_new).chain(triple_iter).collect::<Vec<&str>>().join("-") - } else { - target.triple.to_string() - }; - - // API 19 is the earliest API level supported by NDK r25b but AArch64 and x86_64 support - // begins at API level 21. - let api_level = - if t.contains("aarch64") || t.contains("x86_64") { "21" } else { "19" }; - let compiler = format!("{}{}-{}", triple_translated, api_level, compiler.clang()); - cfg.compiler(ndk.join("bin").join(compiler)); + cfg.compiler(ndk_compiler(compiler, &*target.triple, ndk)); } } @@ -236,8 +220,28 @@ fn set_compiler( } } +pub(crate) fn ndk_compiler(compiler: Language, triple: &str, ndk: &Path) -> PathBuf { + let mut triple_iter = triple.split("-"); + let triple_translated = if let Some(arch) = triple_iter.next() { + let arch_new = match arch { + "arm" | "armv7" | "armv7neon" | "thumbv7" | "thumbv7neon" => "armv7a", + other => other, + }; + std::iter::once(arch_new).chain(triple_iter).collect::<Vec<&str>>().join("-") + } else { + triple.to_string() + }; + + // API 19 is the earliest API level supported by NDK r25b but AArch64 and x86_64 support + // begins at API level 21. + let api_level = + if triple.contains("aarch64") || triple.contains("x86_64") { "21" } else { "19" }; + let compiler = format!("{}{}-{}", triple_translated, api_level, compiler.clang()); + ndk.join("bin").join(compiler) +} + /// The target programming language for a native compiler. -enum Language { +pub(crate) enum Language { /// The compiler is targeting C. C, /// The compiler is targeting C++. diff --git a/src/bootstrap/config.rs b/src/bootstrap/config.rs index af004aa5098..c61025b556a 100644 --- a/src/bootstrap/config.rs +++ b/src/bootstrap/config.rs @@ -15,6 +15,7 @@ use std::str::FromStr; use crate::builder::TaskPath; use crate::cache::{Interned, INTERNER}; +use crate::cc_detect::{ndk_compiler, Language}; use crate::channel::{self, GitInfo}; pub use crate::flags::Subcommand; use crate::flags::{Color, Flags}; @@ -1237,8 +1238,12 @@ impl Config { if let Some(s) = cfg.no_std { target.no_std = s; } - target.cc = cfg.cc.map(PathBuf::from); - target.cxx = cfg.cxx.map(PathBuf::from); + target.cc = cfg.cc.map(PathBuf::from).or_else(|| { + target.ndk.as_ref().map(|ndk| ndk_compiler(Language::C, &triple, ndk)) + }); + target.cxx = cfg.cxx.map(PathBuf::from).or_else(|| { + target.ndk.as_ref().map(|ndk| ndk_compiler(Language::CPlusPlus, &triple, ndk)) + }); target.ar = cfg.ar.map(PathBuf::from); target.ranlib = cfg.ranlib.map(PathBuf::from); target.linker = cfg.linker.map(PathBuf::from); diff --git a/src/ci/docker/host-x86_64/armhf-gnu/Dockerfile b/src/ci/docker/host-x86_64/armhf-gnu/Dockerfile index 69f88e49520..57e63cd39d2 100644 --- a/src/ci/docker/host-x86_64/armhf-gnu/Dockerfile +++ b/src/ci/docker/host-x86_64/armhf-gnu/Dockerfile @@ -9,7 +9,7 @@ RUN apt-get update -y && DEBIAN_FRONTEND=noninteractive apt-get install -y --no- curl \ file \ g++ \ - gcc-arm-linux-gnueabihf \ + g++-arm-linux-gnueabihf \ git \ libc6-dev \ libc6-dev-armhf-cross \ diff --git a/src/librustdoc/clean/blanket_impl.rs b/src/librustdoc/clean/blanket_impl.rs index d8063705582..cb0b8d4a9bc 100644 --- a/src/librustdoc/clean/blanket_impl.rs +++ b/src/librustdoc/clean/blanket_impl.rs @@ -76,6 +76,7 @@ impl<'a, 'tcx> BlanketImplFinder<'a, 'tcx> { for predicate in predicates { debug!("testing predicate {:?}", predicate); let obligation = traits::Obligation::new( + infcx.tcx, traits::ObligationCause::dummy(), param_env, predicate, diff --git a/src/librustdoc/clean/mod.rs b/src/librustdoc/clean/mod.rs index c2f78fd5950..c20595614b0 100644 --- a/src/librustdoc/clean/mod.rs +++ b/src/librustdoc/clean/mod.rs @@ -2125,7 +2125,7 @@ fn clean_maybe_renamed_item<'tcx>( fn clean_variant<'tcx>(variant: &hir::Variant<'tcx>, cx: &mut DocContext<'tcx>) -> Item { let kind = VariantItem(clean_variant_data(&variant.data, &variant.disr_expr, cx)); - Item::from_hir_id_and_parts(variant.id, Some(variant.ident.name), kind, cx) + Item::from_hir_id_and_parts(variant.hir_id, Some(variant.ident.name), kind, cx) } fn clean_impl<'tcx>( diff --git a/src/librustdoc/doctest.rs b/src/librustdoc/doctest.rs index 7cbe2f1e227..cb50c3ae829 100644 --- a/src/librustdoc/doctest.rs +++ b/src/librustdoc/doctest.rs @@ -1293,7 +1293,7 @@ impl<'a, 'hir, 'tcx> intravisit::Visitor<'hir> for HirCollector<'a, 'hir, 'tcx> } fn visit_variant(&mut self, v: &'hir hir::Variant<'_>) { - self.visit_testable(v.ident.to_string(), v.id, v.span, |this| { + self.visit_testable(v.ident.to_string(), v.hir_id, v.span, |this| { intravisit::walk_variant(this, v); }); } diff --git a/src/librustdoc/html/static/css/rustdoc.css b/src/librustdoc/html/static/css/rustdoc.css index 9b1cac85cfd..5ec2fe47e01 100644 --- a/src/librustdoc/html/static/css/rustdoc.css +++ b/src/librustdoc/html/static/css/rustdoc.css @@ -217,10 +217,7 @@ h1 a, .search-results a, .module-item .stab, .import-item .stab, -.result-name .primitive > i, .result-name .keyword > i, -.method .where, -.fn .where, -.where.fmt-newline { +.result-name .primitive > i, .result-name .keyword > i { color: var(--main-color); } @@ -1162,6 +1159,8 @@ pre.rust .doccomment { width: max-content; top: -2px; z-index: 1; + background-color: var(--tooltip-background-color); + color: var(--tooltip-color); } .example-wrap .tooltip::before { @@ -1170,10 +1169,10 @@ pre.rust .doccomment { top: 50%; left: 16px; margin-top: -5px; - border-width: 5px; - border-style: solid; display: none; z-index: 1; + border: 5px solid transparent; + border-right-color: var(--tooltip-background-color); } .example-wrap.ignore .tooltip::after { diff --git a/src/librustdoc/html/static/css/themes/ayu.css b/src/librustdoc/html/static/css/themes/ayu.css index db311bccd6d..0e4dacb28f7 100644 --- a/src/librustdoc/html/static/css/themes/ayu.css +++ b/src/librustdoc/html/static/css/themes/ayu.css @@ -65,6 +65,8 @@ Original by Dempfi (https://github.com/dempfi/ayu) --test-arrow-hover-background-color: rgba(57, 175, 215, 0.368); --target-background-color: rgba(255, 236, 164, 0.06); --target-border-color: rgba(255, 180, 76, 0.85); + --tooltip-background-color: #314559; + --tooltip-color: #c5c5c5; --rust-logo-filter: drop-shadow(1px 0 0px #fff) drop-shadow(0 1px 0 #fff) drop-shadow(-1px 0 0 #fff) @@ -160,15 +162,6 @@ details.rustdoc-toggle > summary::before { color: #788797; } -.tooltip::after { - background-color: #314559; - color: #c5c5c5; -} - -.tooltip::before { - border-color: transparent #314559 transparent transparent; -} - #titles > button.selected { background-color: #141920 !important; border-bottom: 1px solid #ffb44c !important; diff --git a/src/librustdoc/html/static/css/themes/dark.css b/src/librustdoc/html/static/css/themes/dark.css index b2f2c77f547..8e00591179f 100644 --- a/src/librustdoc/html/static/css/themes/dark.css +++ b/src/librustdoc/html/static/css/themes/dark.css @@ -60,6 +60,8 @@ --test-arrow-hover-background-color: #4e8bca; --target-background-color: #494a3d; --target-border-color: #bb7410; + --tooltip-background-color: #000; + --tooltip-color: #fff; --rust-logo-filter: drop-shadow(1px 0 0px #fff) drop-shadow(0 1px 0 #fff) drop-shadow(-1px 0 0 #fff) @@ -82,16 +84,6 @@ details.rustdoc-toggle > summary::before { filter: invert(100%); } -.tooltip::after { - background-color: #000; - color: #fff; - border-color: #000; -} - -.tooltip::before { - border-color: transparent black transparent transparent; -} - #titles > button:not(.selected) { background-color: #252525; border-top-color: #252525; diff --git a/src/librustdoc/html/static/css/themes/light.css b/src/librustdoc/html/static/css/themes/light.css index e8132795688..e23e3682b16 100644 --- a/src/librustdoc/html/static/css/themes/light.css +++ b/src/librustdoc/html/static/css/themes/light.css @@ -58,8 +58,10 @@ --test-arrow-background-color: rgba(78, 139, 202, 0.2); --test-arrow-hover-color: #f5f5f5; --test-arrow-hover-background-color: #4e8bca; - --target-background-color: #fdFfd3; + --target-background-color: #fdffd3; --target-border-color: #ad7c37; + --tooltip-background-color: #fdffd3; + --tooltip-color: #fff; --rust-logo-filter: initial; /* match border-color; uses https://codepen.io/sosuke/pen/Pjoqqp */ --crate-search-div-filter: invert(100%) sepia(0%) saturate(4223%) hue-rotate(289deg) @@ -75,15 +77,6 @@ body.source .example-wrap pre.rust a { background: #eee; } -.tooltip::after { - background-color: #000; - color: #fff; -} - -.tooltip::before { - border-color: transparent black transparent transparent; -} - #titles > button:not(.selected) { background-color: #e6e6e6; border-top-color: #e6e6e6; diff --git a/src/librustdoc/html/static/js/settings.js b/src/librustdoc/html/static/js/settings.js index 95cc265f1bd..5256ae916a7 100644 --- a/src/librustdoc/html/static/js/settings.js +++ b/src/librustdoc/html/static/js/settings.js @@ -9,13 +9,16 @@ const isSettingsPage = window.location.pathname.endsWith("/settings.html"); function changeSetting(settingName, value) { + if (settingName === "theme") { + const useSystem = value === "system preference" ? "true" : "false"; + updateLocalStorage("use-system-theme", useSystem); + } updateLocalStorage(settingName, value); switch (settingName) { case "theme": case "preferred-dark-theme": case "preferred-light-theme": - case "use-system-theme": updateSystemTheme(); updateLightAndDark(); break; @@ -45,7 +48,6 @@ } function showLightAndDark() { - addClass(document.getElementById("theme").parentElement, "hidden"); removeClass(document.getElementById("preferred-light-theme").parentElement, "hidden"); removeClass(document.getElementById("preferred-dark-theme").parentElement, "hidden"); } @@ -53,11 +55,11 @@ function hideLightAndDark() { addClass(document.getElementById("preferred-light-theme").parentElement, "hidden"); addClass(document.getElementById("preferred-dark-theme").parentElement, "hidden"); - removeClass(document.getElementById("theme").parentElement, "hidden"); } function updateLightAndDark() { - if (getSettingValue("use-system-theme") !== "false") { + const useSystem = getSettingValue("use-system-theme"); + if (useSystem === "true" || (useSystem === null && getSettingValue("theme") === null)) { showLightAndDark(); } else { hideLightAndDark(); @@ -91,7 +93,18 @@ }); onEachLazy(settingsElement.querySelectorAll("input[type=\"radio\"]"), elem => { const settingId = elem.name; - const settingValue = getSettingValue(settingId); + let settingValue = getSettingValue(settingId); + if (settingId === "theme") { + const useSystem = getSettingValue("use-system-theme"); + if (useSystem === "true" || settingValue === null) { + if (useSystem !== "false") { + settingValue = "system preference"; + } else { + // This is the default theme. + settingValue = "light"; + } + } + } if (settingValue !== null && settingValue !== "null") { elem.checked = settingValue === elem.value; } @@ -120,26 +133,30 @@ if (setting["options"] !== undefined) { // This is a select setting. - output += `<div class="radio-line" id="${js_data_name}">\ - <span class="setting-name">${setting_name}</span>\ - <div class="choices">`; + output += `\ +<div class="radio-line" id="${js_data_name}"> + <span class="setting-name">${setting_name}</span> +<div class="choices">`; onEach(setting["options"], option => { const checked = option === setting["default"] ? " checked" : ""; + const full = `${js_data_name}-${option.replace(/ /g,"-")}`; - output += `<label for="${js_data_name}-${option}" class="choice">\ - <input type="radio" name="${js_data_name}" \ - id="${js_data_name}-${option}" value="${option}"${checked}>\ - <span>${option}</span>\ - </label>`; + output += `\ +<label for="${full}" class="choice"> + <input type="radio" name="${js_data_name}" + id="${full}" value="${option}"${checked}> + <span>${option}</span> +</label>`; }); output += "</div></div>"; } else { // This is a toggle. const checked = setting["default"] === true ? " checked" : ""; - output += `<label class="toggle">\ - <input type="checkbox" id="${js_data_name}"${checked}>\ - <span class="label">${setting_name}</span>\ - </label>`; + output += `\ +<label class="toggle">\ + <input type="checkbox" id="${js_data_name}"${checked}>\ + <span class="label">${setting_name}</span>\ +</label>`; } output += "</div>"; } @@ -157,15 +174,10 @@ const settings = [ { - "name": "Use system theme", - "js_name": "use-system-theme", - "default": true, - }, - { "name": "Theme", "js_name": "theme", - "default": "light", - "options": theme_names, + "default": "system preference", + "options": theme_names.concat("system preference"), }, { "name": "Preferred light theme", diff --git a/src/librustdoc/passes/calculate_doc_coverage.rs b/src/librustdoc/passes/calculate_doc_coverage.rs index 48835abf952..02b22789608 100644 --- a/src/librustdoc/passes/calculate_doc_coverage.rs +++ b/src/librustdoc/passes/calculate_doc_coverage.rs @@ -244,10 +244,10 @@ impl<'a, 'b> DocVisitor for CoverageCalculator<'a, 'b> { matches!( node, hir::Node::Variant(hir::Variant { - data: hir::VariantData::Tuple(_, _), + data: hir::VariantData::Tuple(_, _, _), .. }) | hir::Node::Item(hir::Item { - kind: hir::ItemKind::Struct(hir::VariantData::Tuple(_, _), _), + kind: hir::ItemKind::Struct(hir::VariantData::Tuple(_, _, _), _), .. }) ) diff --git a/src/test/debuginfo/lexical-scope-in-if-let.rs b/src/test/debuginfo/lexical-scope-in-if-let.rs index cdc37ce48fb..8fee459bd7a 100644 --- a/src/test/debuginfo/lexical-scope-in-if-let.rs +++ b/src/test/debuginfo/lexical-scope-in-if-let.rs @@ -58,19 +58,19 @@ // cdb-command: g // cdb-command: dv -// cdb-check:[...]y = true -// cdb-check:[...]b = 0n456 // cdb-check:[...]a = 0n123 // cdb-check:[...]x = 0n42 +// cdb-check:[...]b = 0n456 +// cdb-check:[...]y = true // cdb-command: g // cdb-command: dv // cdb-check:[...]z = 0n10 // cdb-check:[...]c = 0n789 -// cdb-check:[...]y = true -// cdb-check:[...]b = 0n456 // cdb-check:[...]a = 0n123 // cdb-check:[...]x = 0n42 +// cdb-check:[...]b = 0n456 +// cdb-check:[...]y = true fn main() { let a = id(123); diff --git a/src/test/run-make-fulldeps/tools.mk b/src/test/run-make-fulldeps/tools.mk index 33bf95ac165..0f5425daa16 100644 --- a/src/test/run-make-fulldeps/tools.mk +++ b/src/test/run-make-fulldeps/tools.mk @@ -40,6 +40,17 @@ endif # e.g. for `$(CC) -o $(RUN_BINFILE)`. RUN_BINFILE = $(TMPDIR)/$(1) +# Invoke the generated binary on the remote machine if compiletest was +# configured to use a remote test device, otherwise run it on the current host. +ifdef REMOTE_TEST_CLIENT +# FIXME: if a test requires additional files, this will need to be changed to +# also push them (by changing the 0 to the number of additional files, and +# providing the path of the additional files as the last arguments). +EXECUTE = $(REMOTE_TEST_CLIENT) run 0 $(RUN_BINFILE) +else +EXECUTE = $(RUN_BINFILE) +endif + # RUN and FAIL are basic way we will invoke the generated binary. On # non-windows platforms, they set the LD_LIBRARY_PATH environment # variable before running the binary. @@ -50,16 +61,16 @@ BIN = $(1) UNAME = $(shell uname) ifeq ($(UNAME),Darwin) -RUN = $(TARGET_RPATH_ENV) $(RUN_BINFILE) -FAIL = $(TARGET_RPATH_ENV) $(RUN_BINFILE) && exit 1 || exit 0 +RUN = $(TARGET_RPATH_ENV) $(EXECUTE) +FAIL = $(TARGET_RPATH_ENV) $(EXECUTE) && exit 1 || exit 0 DYLIB_GLOB = lib$(1)*.dylib DYLIB = $(TMPDIR)/lib$(1).dylib STATICLIB = $(TMPDIR)/lib$(1).a STATICLIB_GLOB = lib$(1)*.a else ifdef IS_WINDOWS -RUN = PATH="$(PATH):$(TARGET_RPATH_DIR)" $(RUN_BINFILE) -FAIL = PATH="$(PATH):$(TARGET_RPATH_DIR)" $(RUN_BINFILE) && exit 1 || exit 0 +RUN = PATH="$(PATH):$(TARGET_RPATH_DIR)" $(EXECUTE) +FAIL = PATH="$(PATH):$(TARGET_RPATH_DIR)" $(EXECUTE) && exit 1 || exit 0 DYLIB_GLOB = $(1)*.dll DYLIB = $(TMPDIR)/$(1).dll ifdef IS_MSVC @@ -73,8 +84,8 @@ endif BIN = $(1).exe LLVM_FILECHECK := $(shell cygpath -u "$(LLVM_FILECHECK)") else -RUN = $(TARGET_RPATH_ENV) $(RUN_BINFILE) -FAIL = $(TARGET_RPATH_ENV) $(RUN_BINFILE) && exit 1 || exit 0 +RUN = $(TARGET_RPATH_ENV) $(EXECUTE) +FAIL = $(TARGET_RPATH_ENV) $(EXECUTE) && exit 1 || exit 0 DYLIB_GLOB = lib$(1)*.so DYLIB = $(TMPDIR)/lib$(1).so STATICLIB = $(TMPDIR)/lib$(1).a diff --git a/src/test/run-make/issue-36710/Makefile b/src/test/run-make/issue-36710/Makefile index 986a3f4e64b..d6145c07126 100644 --- a/src/test/run-make/issue-36710/Makefile +++ b/src/test/run-make/issue-36710/Makefile @@ -1,6 +1,7 @@ -# ignore-cross-compile $(call RUN,foo) expects to run the target executable natively -# so it won't work with remote-test-server # ignore-none no-std is not supported +# ignore-wasm32 FIXME: don't attempt to compile C++ to WASM +# ignore-wasm64 FIXME: don't attempt to compile C++ to WASM +# ignore-nvptx64-nvidia-cuda FIXME: can't find crate for `std` # ignore-musl FIXME: this makefile needs teaching how to use a musl toolchain # (see dist-i586-gnu-i586-i686-musl Dockerfile) diff --git a/src/test/rustdoc-gui/codeblock-tooltip.goml b/src/test/rustdoc-gui/codeblock-tooltip.goml index 8e681a2a0c3..caa1ab8f31e 100644 --- a/src/test/rustdoc-gui/codeblock-tooltip.goml +++ b/src/test/rustdoc-gui/codeblock-tooltip.goml @@ -4,7 +4,7 @@ show-text: true define-function: ( "check-colors", - (theme), + (theme, background, color, border), [ // Setting the theme. ("local-storage", {"rustdoc-theme": |theme|, "rustdoc-use-system-theme": "false"}), @@ -30,6 +30,25 @@ define-function: ( ".docblock .example-wrap.compile_fail", {"border-left": "2px solid rgb(255, 0, 0)"}, )), + ("assert-css", ( + ".docblock .example-wrap.compile_fail .tooltip::after", + { + "content": '"This example deliberately fails to compile"', + "text-align": "center", + "padding": "5px 3px 3px", + "background-color": |background|, + "color": |color|, + "border": "1px solid " + |border|, + }, + )), + ("assert-css", ( + ".docblock .example-wrap.compile_fail .tooltip::before", + { + "border-width": "5px", + "border-style": "solid", + "border-color": "rgba(0, 0, 0, 0) " + |background| + " rgba(0, 0, 0, 0) rgba(0, 0, 0, 0)", + }, + )), // should_panic block ("assert-css", ( @@ -51,6 +70,25 @@ define-function: ( ".docblock .example-wrap.should_panic", {"border-left": "2px solid rgb(255, 0, 0)"}, )), + ("assert-css", ( + ".docblock .example-wrap.should_panic .tooltip::after", + { + "content": '"This example panics"', + "text-align": "center", + "padding": "5px 3px 3px", + "background-color": |background|, + "color": |color|, + "border": "1px solid " + |border|, + }, + )), + ("assert-css", ( + ".docblock .example-wrap.should_panic .tooltip::before", + { + "border-width": "5px", + "border-style": "solid", + "border-color": "rgba(0, 0, 0, 0) " + |background| + " rgba(0, 0, 0, 0) rgba(0, 0, 0, 0)", + }, + )), // ignore block ("assert-css", ( @@ -72,9 +110,43 @@ define-function: ( ".docblock .example-wrap.ignore", {"border-left": "2px solid rgb(255, 142, 0)"}, )), + ("assert-css", ( + ".docblock .example-wrap.ignore .tooltip::after", + { + "content": '"This example is not tested"', + "text-align": "center", + "padding": "5px 3px 3px", + "background-color": |background|, + "color": |color|, + "border": "1px solid " + |border|, + }, + )), + ("assert-css", ( + ".docblock .example-wrap.ignore .tooltip::before", + { + "border-width": "5px", + "border-style": "solid", + "border-color": "rgba(0, 0, 0, 0) " + |background| + " rgba(0, 0, 0, 0) rgba(0, 0, 0, 0)", + }, + )), ], ) -call-function: ("check-colors", ("ayu")) -call-function: ("check-colors", ("dark")) -call-function: ("check-colors", ("light")) +call-function: ("check-colors", { + "theme": "ayu", + "background": "rgb(49, 69, 89)", + "color": "rgb(197, 197, 197)", + "border": "rgb(92, 103, 115)", +}) +call-function: ("check-colors", { + "theme": "dark", + "background": "rgb(0, 0, 0)", + "color": "rgb(255, 255, 255)", + "border": "rgb(224, 224, 224)", +}) +call-function: ("check-colors", { + "theme": "light", + "background": "rgb(253, 255, 211)", + "color": "rgb(255, 255, 255)", + "border": "rgb(224, 224, 224)", +}) diff --git a/src/test/rustdoc-gui/settings.goml b/src/test/rustdoc-gui/settings.goml index 7e7971d47fb..fc3beaa53fa 100644 --- a/src/test/rustdoc-gui/settings.goml +++ b/src/test/rustdoc-gui/settings.goml @@ -37,8 +37,7 @@ click: "#settings-menu" wait-for: "#settings" // We check that the "Use system theme" is disabled. -assert-property: ("#use-system-theme", {"checked": "false"}) -assert: "//*[@class='setting-line']//span[text()='Use system theme']" +assert-property: ("#theme-system-preference", {"checked": "false"}) // Meaning that only the "theme" menu is showing up. assert: ".setting-line:not(.hidden) #theme" assert: ".setting-line.hidden #preferred-dark-theme" @@ -115,13 +114,6 @@ assert-css: ( "border-color": "rgb(221, 221, 221)", }, ) -assert-css: ( - "#use-system-theme", - { - "background-color": "rgba(0, 0, 0, 0)", - "border-color": "rgb(221, 221, 221)", - } -) // Let's start with the hover for toggles. move-cursor-to: "#auto-hide-large-items" assert-css: ( @@ -131,14 +123,6 @@ assert-css: ( "border-color": "rgb(33, 150, 243)", }, ) -move-cursor-to: "#use-system-theme" -assert-css: ( - "#use-system-theme", - { - "background-color": "rgba(0, 0, 0, 0)", - "border-color": "rgb(33, 150, 243)", - } -) move-cursor-to: "#settings-menu > a" // Let's now check with the focus for toggles. focus: "#auto-hide-large-items" @@ -150,15 +134,6 @@ assert-css: ( "box-shadow": "rgb(33, 150, 243) 0px 0px 1px 1px", }, ) -focus: "#use-system-theme" -assert-css: ( - "#use-system-theme", - { - "background-color": "rgba(0, 0, 0, 0)", - "border-color": "rgb(221, 221, 221)", - "box-shadow": "rgb(33, 150, 243) 0px 0px 1px 1px", - }, -) // Now we check we both focus and hover for toggles. move-cursor-to: "#auto-hide-large-items" focus: "#auto-hide-large-items" @@ -170,24 +145,12 @@ assert-css: ( "box-shadow": "rgb(33, 150, 243) 0px 0px 1px 1px", }, ) -move-cursor-to: "#use-system-theme" -focus: "#use-system-theme" -assert-css: ( - "#use-system-theme", - { - "background-color": "rgba(0, 0, 0, 0)", - "border-color": "rgb(33, 150, 243)", - "box-shadow": "rgb(33, 150, 243) 0px 0px 1px 1px", - }, -) // We now switch the display. -click: "#use-system-theme" +click: "#theme-system-preference" // Wait for the hidden element to show up. wait-for: ".setting-line:not(.hidden) #preferred-dark-theme" assert: ".setting-line:not(.hidden) #preferred-light-theme" -// Check that the theme picking is hidden. -assert: ".setting-line.hidden #theme" // We check their text as well. assert-text: ("#preferred-dark-theme .setting-name", "Preferred dark theme") diff --git a/src/test/rustdoc-gui/theme-change.goml b/src/test/rustdoc-gui/theme-change.goml index b1de3c36614..cc47f1f450c 100644 --- a/src/test/rustdoc-gui/theme-change.goml +++ b/src/test/rustdoc-gui/theme-change.goml @@ -2,31 +2,66 @@ goto: "file://" + |DOC_PATH| + "/test_docs/index.html" local-storage: {"rustdoc-use-system-theme": "false", "rustdoc-theme": "dark"} reload: + +store-value: (background_light, "rgb(255, 255, 255)") +store-value: (background_dark, "rgb(53, 53, 53)") +store-value: (background_ayu, "rgb(15, 20, 25)") + click: "#settings-menu" wait-for: "#theme-ayu" click: "#theme-ayu" // should be the ayu theme so let's check the color. -wait-for-css: ("body", { "background-color": "rgb(15, 20, 25)" }) +wait-for-css: ("body", { "background-color": |background_ayu| }) assert-local-storage: { "rustdoc-theme": "ayu" } click: "#theme-light" // should be the light theme so let's check the color. -wait-for-css: ("body", { "background-color": "rgb(255, 255, 255)" }) +wait-for-css: ("body", { "background-color": |background_light| }) assert-local-storage: { "rustdoc-theme": "light" } click: "#theme-dark" // Should be the dark theme so let's check the color. -wait-for-css: ("body", { "background-color": "rgb(53, 53, 53)" }) +wait-for-css: ("body", { "background-color": |background_dark| }) assert-local-storage: { "rustdoc-theme": "dark" } +local-storage: { + "rustdoc-preferred-light-theme": "light", + "rustdoc-preferred-dark-theme": "light", +} goto: "file://" + |DOC_PATH| + "/settings.html" + wait-for: "#settings" click: "#theme-light" -wait-for-css: ("body", { "background-color": "rgb(255, 255, 255)" }) +wait-for-css: ("body", { "background-color": |background_light| }) assert-local-storage: { "rustdoc-theme": "light" } click: "#theme-dark" -wait-for-css: ("body", { "background-color": "rgb(53, 53, 53)" }) +wait-for-css: ("body", { "background-color": |background_dark| }) assert-local-storage: { "rustdoc-theme": "dark" } click: "#theme-ayu" -wait-for-css: ("body", { "background-color": "rgb(15, 20, 25)" }) +wait-for-css: ("body", { "background-color": |background_ayu| }) assert-local-storage: { "rustdoc-theme": "ayu" } + +assert-local-storage-false: { "rustdoc-use-system-theme": "true" } +click: "#theme-system-preference" +wait-for: ".setting-line:not(.hidden) #preferred-light-theme" +assert-local-storage: { "rustdoc-use-system-theme": "true" } +// We click on both preferred light and dark themes to be sure that there is a change. +click: "#preferred-light-theme-dark" +click: "#preferred-dark-theme-dark" +wait-for-css: ("body", { "background-color": |background_dark| }) + +reload: +// Ensure that the "preferred themes" are still displayed. +wait-for: ".setting-line:not(.hidden) #preferred-light-theme" +click: "#theme-light" +wait-for-css: ("body", { "background-color": |background_light| }) +assert-local-storage: { "rustdoc-theme": "light" } +// Ensure it's now hidden again +wait-for: ".setting-line.hidden #preferred-light-theme" +// And ensure the theme was rightly set. +wait-for-css: ("body", { "background-color": |background_light| }) +assert-local-storage: { "rustdoc-theme": "light" } + +reload: +wait-for: "#settings" +assert: ".setting-line.hidden #preferred-light-theme" diff --git a/src/test/ui/async-await/in-trait/early-bound-1.rs b/src/test/ui/async-await/in-trait/early-bound-1.rs new file mode 100644 index 00000000000..6b3b142014b --- /dev/null +++ b/src/test/ui/async-await/in-trait/early-bound-1.rs @@ -0,0 +1,17 @@ +// check-pass +// edition:2021 + +#![feature(async_fn_in_trait)] +#![allow(incomplete_features)] + +pub trait Foo { + async fn foo(&mut self); +} + +struct MyFoo<'a>(&'a mut ()); + +impl<'a> Foo for MyFoo<'a> { + async fn foo(&mut self) {} +} + +fn main() {} diff --git a/src/test/ui/async-await/in-trait/early-bound-2.rs b/src/test/ui/async-await/in-trait/early-bound-2.rs new file mode 100644 index 00000000000..270443229b0 --- /dev/null +++ b/src/test/ui/async-await/in-trait/early-bound-2.rs @@ -0,0 +1,15 @@ +// check-pass +// edition:2021 + +#![feature(async_fn_in_trait)] +#![allow(incomplete_features)] + +pub trait Foo { + async fn foo(&mut self); +} + +impl<T: Foo> Foo for &mut T { + async fn foo(&mut self) {} +} + +fn main() {} diff --git a/src/test/ui/async-await/track-caller/panic-track-caller.rs b/src/test/ui/async-await/track-caller/panic-track-caller.rs new file mode 100644 index 00000000000..b113c56412f --- /dev/null +++ b/src/test/ui/async-await/track-caller/panic-track-caller.rs @@ -0,0 +1,76 @@ +// run-pass +// edition:2021 +// needs-unwind +#![feature(closure_track_caller)] + +use std::future::Future; +use std::panic; +use std::sync::{Arc, Mutex}; +use std::task::{Context, Poll, Wake}; +use std::thread::{self, Thread}; + +/// A waker that wakes up the current thread when called. +struct ThreadWaker(Thread); + +impl Wake for ThreadWaker { + fn wake(self: Arc<Self>) { + self.0.unpark(); + } +} + +/// Run a future to completion on the current thread. +fn block_on<T>(fut: impl Future<Output = T>) -> T { + // Pin the future so it can be polled. + let mut fut = Box::pin(fut); + + // Create a new context to be passed to the future. + let t = thread::current(); + let waker = Arc::new(ThreadWaker(t)).into(); + let mut cx = Context::from_waker(&waker); + + // Run the future to completion. + loop { + match fut.as_mut().poll(&mut cx) { + Poll::Ready(res) => return res, + Poll::Pending => thread::park(), + } + } +} + +async fn bar() { + panic!() +} + +async fn foo() { + bar().await +} + +#[track_caller] +async fn bar_track_caller() { + panic!() +} + +async fn foo_track_caller() { + bar_track_caller().await +} + +fn panicked_at(f: impl FnOnce() + panic::UnwindSafe) -> u32 { + let loc = Arc::new(Mutex::new(None)); + + let hook = panic::take_hook(); + { + let loc = loc.clone(); + panic::set_hook(Box::new(move |info| { + *loc.lock().unwrap() = info.location().map(|loc| loc.line()) + })); + } + panic::catch_unwind(f).unwrap_err(); + panic::set_hook(hook); + let x = loc.lock().unwrap().unwrap(); + x +} + +fn main() { + assert_eq!(panicked_at(|| block_on(foo())), 41); + assert_eq!(panicked_at(|| block_on(foo_track_caller())), 54); +} diff --git a/src/test/ui/consts/const-eval/issue-104390.rs b/src/test/ui/consts/const-eval/issue-104390.rs new file mode 100644 index 00000000000..602d818245a --- /dev/null +++ b/src/test/ui/consts/const-eval/issue-104390.rs @@ -0,0 +1,10 @@ +fn f1() -> impl Sized { & 2E } //~ ERROR expected at least one digit in exponent +fn f2() -> impl Sized { && 2E } //~ ERROR expected at least one digit in exponent +fn f3() -> impl Sized { &'a 2E } //~ ERROR expected at least one digit in exponent +//~^ ERROR borrow expressions cannot be annotated with lifetimes +fn f4() -> impl Sized { &'static 2E } //~ ERROR expected at least one digit in exponent +//~^ ERROR borrow expressions cannot be annotated with lifetimes +fn f5() -> impl Sized { *& 2E } //~ ERROR expected at least one digit in exponent +fn f6() -> impl Sized { &'_ 2E } //~ ERROR expected at least one digit in exponent +//~^ ERROR borrow expressions cannot be annotated with lifetimes +fn main() {} diff --git a/src/test/ui/consts/const-eval/issue-104390.stderr b/src/test/ui/consts/const-eval/issue-104390.stderr new file mode 100644 index 00000000000..865b9996ea3 --- /dev/null +++ b/src/test/ui/consts/const-eval/issue-104390.stderr @@ -0,0 +1,65 @@ +error: expected at least one digit in exponent + --> $DIR/issue-104390.rs:1:27 + | +LL | fn f1() -> impl Sized { & 2E } + | ^^ + +error: expected at least one digit in exponent + --> $DIR/issue-104390.rs:2:28 + | +LL | fn f2() -> impl Sized { && 2E } + | ^^ + +error: expected at least one digit in exponent + --> $DIR/issue-104390.rs:3:29 + | +LL | fn f3() -> impl Sized { &'a 2E } + | ^^ + +error: expected at least one digit in exponent + --> $DIR/issue-104390.rs:5:34 + | +LL | fn f4() -> impl Sized { &'static 2E } + | ^^ + +error: expected at least one digit in exponent + --> $DIR/issue-104390.rs:7:28 + | +LL | fn f5() -> impl Sized { *& 2E } + | ^^ + +error: expected at least one digit in exponent + --> $DIR/issue-104390.rs:8:29 + | +LL | fn f6() -> impl Sized { &'_ 2E } + | ^^ + +error: borrow expressions cannot be annotated with lifetimes + --> $DIR/issue-104390.rs:3:25 + | +LL | fn f3() -> impl Sized { &'a 2E } + | ^--^^^ + | | + | annotated with lifetime here + | help: remove the lifetime annotation + +error: borrow expressions cannot be annotated with lifetimes + --> $DIR/issue-104390.rs:5:25 + | +LL | fn f4() -> impl Sized { &'static 2E } + | ^-------^^^ + | | + | annotated with lifetime here + | help: remove the lifetime annotation + +error: borrow expressions cannot be annotated with lifetimes + --> $DIR/issue-104390.rs:8:25 + | +LL | fn f6() -> impl Sized { &'_ 2E } + | ^--^^^ + | | + | annotated with lifetime here + | help: remove the lifetime annotation + +error: aborting due to 9 previous errors + diff --git a/src/test/ui/dyn-star/return.rs b/src/test/ui/dyn-star/return.rs new file mode 100644 index 00000000000..fa3d8d7d506 --- /dev/null +++ b/src/test/ui/dyn-star/return.rs @@ -0,0 +1,10 @@ +// check-pass + +#![feature(dyn_star)] +//~^ WARN the feature `dyn_star` is incomplete and may not be safe to use and/or cause compiler crashes + +fn _foo() -> dyn* Unpin { + 4usize +} + +fn main() {} diff --git a/src/test/ui/dyn-star/return.stderr b/src/test/ui/dyn-star/return.stderr new file mode 100644 index 00000000000..e000351a68f --- /dev/null +++ b/src/test/ui/dyn-star/return.stderr @@ -0,0 +1,11 @@ +warning: the feature `dyn_star` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/return.rs:3:12 + | +LL | #![feature(dyn_star)] + | ^^^^^^^^ + | + = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information + = note: `#[warn(incomplete_features)]` on by default + +warning: 1 warning emitted + diff --git a/src/test/ui/lang-items/lang-item-generic-requirements.rs b/src/test/ui/lang-items/lang-item-generic-requirements.rs index fbb56e528c0..3d33adf6831 100644 --- a/src/test/ui/lang-items/lang-item-generic-requirements.rs +++ b/src/test/ui/lang-items/lang-item-generic-requirements.rs @@ -22,8 +22,6 @@ trait MyIndex<'a, T> {} #[lang = "phantom_data"] //~^ ERROR `phantom_data` language item must be applied to a struct with 1 generic argument struct MyPhantomData<T, U>; -//~^ ERROR parameter `T` is never used -//~| ERROR parameter `U` is never used #[lang = "owned_box"] //~^ ERROR `owned_box` language item must be applied to a struct with at least 1 generic argument diff --git a/src/test/ui/lang-items/lang-item-generic-requirements.stderr b/src/test/ui/lang-items/lang-item-generic-requirements.stderr index 326f5b0d595..4d349a25f9c 100644 --- a/src/test/ui/lang-items/lang-item-generic-requirements.stderr +++ b/src/test/ui/lang-items/lang-item-generic-requirements.stderr @@ -33,7 +33,7 @@ LL | struct MyPhantomData<T, U>; | ------ this struct has 2 generic arguments error[E0718]: `owned_box` language item must be applied to a struct with at least 1 generic argument - --> $DIR/lang-item-generic-requirements.rs:28:1 + --> $DIR/lang-item-generic-requirements.rs:26:1 | LL | #[lang = "owned_box"] | ^^^^^^^^^^^^^^^^^^^^^ @@ -42,7 +42,7 @@ LL | struct Foo; | - this struct has 0 generic arguments error[E0718]: `start` language item must be applied to a function with 1 generic argument - --> $DIR/lang-item-generic-requirements.rs:34:1 + --> $DIR/lang-item-generic-requirements.rs:32:1 | LL | #[lang = "start"] | ^^^^^^^^^^^^^^^^^ @@ -50,25 +50,6 @@ LL | LL | fn start(_: *const u8, _: isize, _: *const *const u8) -> isize { | - this function has 0 generic arguments -error[E0392]: parameter `T` is never used - --> $DIR/lang-item-generic-requirements.rs:24:22 - | -LL | struct MyPhantomData<T, U>; - | ^ unused parameter - | - = help: consider removing `T` or referring to it in a field - = help: if you intended `T` to be a const parameter, use `const T: usize` instead - -error[E0392]: parameter `U` is never used - --> $DIR/lang-item-generic-requirements.rs:24:25 - | -LL | struct MyPhantomData<T, U>; - | ^ unused parameter - | - = help: consider removing `U` or referring to it in a field - = help: if you intended `U` to be a const parameter, use `const U: usize` instead - -error: aborting due to 8 previous errors +error: aborting due to 6 previous errors -Some errors have detailed explanations: E0392, E0718. -For more information about an error, try `rustc --explain E0392`. +For more information about this error, try `rustc --explain E0718`. diff --git a/src/test/ui/lint/issue-104392.rs b/src/test/ui/lint/issue-104392.rs new file mode 100644 index 00000000000..d5608edb46f --- /dev/null +++ b/src/test/ui/lint/issue-104392.rs @@ -0,0 +1,11 @@ +fn main() { + { unsafe 92 } //~ ERROR expected `{`, found `92` +} + +fn foo() { + { mod 92 } //~ ERROR expected identifier, found `92` +} + +fn bar() { + { trait 92 } //~ ERROR expected identifier, found `92` +} diff --git a/src/test/ui/lint/issue-104392.stderr b/src/test/ui/lint/issue-104392.stderr new file mode 100644 index 00000000000..8e466439ae6 --- /dev/null +++ b/src/test/ui/lint/issue-104392.stderr @@ -0,0 +1,27 @@ +error: expected `{`, found `92` + --> $DIR/issue-104392.rs:2:14 + | +LL | { unsafe 92 } + | ------ ^^ expected `{` + | | + | while parsing this `unsafe` expression + | +help: try placing this code inside a block + | +LL | { unsafe { 92 } } + | + + + +error: expected identifier, found `92` + --> $DIR/issue-104392.rs:6:11 + | +LL | { mod 92 } + | ^^ expected identifier + +error: expected identifier, found `92` + --> $DIR/issue-104392.rs:10:13 + | +LL | { trait 92 } + | ^^ expected identifier + +error: aborting due to 3 previous errors + diff --git a/src/test/ui/macros/issue-68060.rs b/src/test/ui/macros/issue-68060.rs index aa8f578adf6..fb40cd5387b 100644 --- a/src/test/ui/macros/issue-68060.rs +++ b/src/test/ui/macros/issue-68060.rs @@ -3,7 +3,11 @@ fn main() { .map( #[target_feature(enable = "")] //~^ ERROR: attribute should be applied to a function + //~| ERROR: feature named `` is not valid + //~| NOTE: `` is not valid for this target #[track_caller] + //~^ ERROR: `#[track_caller]` on closures is currently unstable + //~| NOTE: see issue #87417 |_| (), //~^ NOTE: not a function ) diff --git a/src/test/ui/macros/issue-68060.stderr b/src/test/ui/macros/issue-68060.stderr index b13e418e664..52e6ed92e9d 100644 --- a/src/test/ui/macros/issue-68060.stderr +++ b/src/test/ui/macros/issue-68060.stderr @@ -7,5 +7,21 @@ LL | #[target_feature(enable = "")] LL | |_| (), | ------ not a function definition -error: aborting due to previous error +error: the feature named `` is not valid for this target + --> $DIR/issue-68060.rs:4:30 + | +LL | #[target_feature(enable = "")] + | ^^^^^^^^^^^ `` is not valid for this target + +error[E0658]: `#[track_caller]` on closures is currently unstable + --> $DIR/issue-68060.rs:8:13 + | +LL | #[track_caller] + | ^^^^^^^^^^^^^^^ + | + = note: see issue #87417 <https://github.com/rust-lang/rust/issues/87417> for more information + = help: add `#![feature(closure_track_caller)]` to the crate attributes to enable + +error: aborting due to 3 previous errors +For more information about this error, try `rustc --explain E0658`. diff --git a/src/test/ui/panic-handler/panic-handler-std.stderr b/src/test/ui/panic-handler/panic-handler-std.stderr index e4069b196ff..7c7feffe76a 100644 --- a/src/test/ui/panic-handler/panic-handler-std.stderr +++ b/src/test/ui/panic-handler/panic-handler-std.stderr @@ -8,12 +8,6 @@ LL | fn panic(info: PanicInfo) -> ! { = note: first definition in `std` loaded from SYSROOT/libstd-*.rlib = note: second definition in the local crate (`panic_handler_std`) -error: argument should be `&PanicInfo` - --> $DIR/panic-handler-std.rs:8:16 - | -LL | fn panic(info: PanicInfo) -> ! { - | ^^^^^^^^^ - -error: aborting due to 2 previous errors +error: aborting due to previous error For more information about this error, try `rustc --explain E0152`. diff --git a/src/test/ui/range/issue-54505-no-std.rs b/src/test/ui/range/issue-54505-no-std.rs index ab1a025b521..9f378b4836e 100644 --- a/src/test/ui/range/issue-54505-no-std.rs +++ b/src/test/ui/range/issue-54505-no-std.rs @@ -1,5 +1,3 @@ -// error-pattern: `#[panic_handler]` function required, but not found - // Regression test for #54505 - range borrowing suggestion had // incorrect syntax (missing parentheses). @@ -18,6 +16,10 @@ extern "C" fn eh_personality() {} #[lang = "eh_catch_typeinfo"] static EH_CATCH_TYPEINFO: u8 = 0; +#[panic_handler] +fn panic_handler() {} +//~^ ERROR return type should be `!` +//~| ERROR function should have one argument // take a reference to any built-in range fn take_range(_r: &impl RangeBounds<i8>) {} diff --git a/src/test/ui/range/issue-54505-no-std.stderr b/src/test/ui/range/issue-54505-no-std.stderr index c4e36b0b159..9fb0e54a8a9 100644 --- a/src/test/ui/range/issue-54505-no-std.stderr +++ b/src/test/ui/range/issue-54505-no-std.stderr @@ -1,7 +1,17 @@ -error: `#[panic_handler]` function required, but not found +error: return type should be `!` + --> $DIR/issue-54505-no-std.rs:20:20 + | +LL | fn panic_handler() {} + | ^ + +error: function should have one argument + --> $DIR/issue-54505-no-std.rs:20:1 + | +LL | fn panic_handler() {} + | ^^^^^^^^^^^^^^^^^^ error[E0308]: mismatched types - --> $DIR/issue-54505-no-std.rs:27:16 + --> $DIR/issue-54505-no-std.rs:29:16 | LL | take_range(0..1); | ---------- ^^^^ @@ -13,13 +23,13 @@ LL | take_range(0..1); = note: expected reference `&_` found struct `Range<{integer}>` note: function defined here - --> $DIR/issue-54505-no-std.rs:23:4 + --> $DIR/issue-54505-no-std.rs:25:4 | LL | fn take_range(_r: &impl RangeBounds<i8>) {} | ^^^^^^^^^^ ------------------------- error[E0308]: mismatched types - --> $DIR/issue-54505-no-std.rs:32:16 + --> $DIR/issue-54505-no-std.rs:34:16 | LL | take_range(1..); | ---------- ^^^ @@ -31,13 +41,13 @@ LL | take_range(1..); = note: expected reference `&_` found struct `RangeFrom<{integer}>` note: function defined here - --> $DIR/issue-54505-no-std.rs:23:4 + --> $DIR/issue-54505-no-std.rs:25:4 | LL | fn take_range(_r: &impl RangeBounds<i8>) {} | ^^^^^^^^^^ ------------------------- error[E0308]: mismatched types - --> $DIR/issue-54505-no-std.rs:37:16 + --> $DIR/issue-54505-no-std.rs:39:16 | LL | take_range(..); | ---------- ^^ @@ -49,13 +59,13 @@ LL | take_range(..); = note: expected reference `&_` found struct `RangeFull` note: function defined here - --> $DIR/issue-54505-no-std.rs:23:4 + --> $DIR/issue-54505-no-std.rs:25:4 | LL | fn take_range(_r: &impl RangeBounds<i8>) {} | ^^^^^^^^^^ ------------------------- error[E0308]: mismatched types - --> $DIR/issue-54505-no-std.rs:42:16 + --> $DIR/issue-54505-no-std.rs:44:16 | LL | take_range(0..=1); | ---------- ^^^^^ @@ -67,13 +77,13 @@ LL | take_range(0..=1); = note: expected reference `&_` found struct `RangeInclusive<{integer}>` note: function defined here - --> $DIR/issue-54505-no-std.rs:23:4 + --> $DIR/issue-54505-no-std.rs:25:4 | LL | fn take_range(_r: &impl RangeBounds<i8>) {} | ^^^^^^^^^^ ------------------------- error[E0308]: mismatched types - --> $DIR/issue-54505-no-std.rs:47:16 + --> $DIR/issue-54505-no-std.rs:49:16 | LL | take_range(..5); | ---------- ^^^ @@ -85,13 +95,13 @@ LL | take_range(..5); = note: expected reference `&_` found struct `RangeTo<{integer}>` note: function defined here - --> $DIR/issue-54505-no-std.rs:23:4 + --> $DIR/issue-54505-no-std.rs:25:4 | LL | fn take_range(_r: &impl RangeBounds<i8>) {} | ^^^^^^^^^^ ------------------------- error[E0308]: mismatched types - --> $DIR/issue-54505-no-std.rs:52:16 + --> $DIR/issue-54505-no-std.rs:54:16 | LL | take_range(..=42); | ---------- ^^^^^ @@ -103,11 +113,11 @@ LL | take_range(..=42); = note: expected reference `&_` found struct `RangeToInclusive<{integer}>` note: function defined here - --> $DIR/issue-54505-no-std.rs:23:4 + --> $DIR/issue-54505-no-std.rs:25:4 | LL | fn take_range(_r: &impl RangeBounds<i8>) {} | ^^^^^^^^^^ ------------------------- -error: aborting due to 7 previous errors +error: aborting due to 8 previous errors For more information about this error, try `rustc --explain E0308`. diff --git a/src/test/ui/stats/hir-stats.stderr b/src/test/ui/stats/hir-stats.stderr index 109306cd7af..297245f0198 100644 --- a/src/test/ui/stats/hir-stats.stderr +++ b/src/test/ui/stats/hir-stats.stderr @@ -119,40 +119,40 @@ hir-stats HIR STATS hir-stats Name Accumulated Size Count Item Size hir-stats ---------------------------------------------------------------- hir-stats ForeignItemRef 24 ( 0.3%) 1 24 -hir-stats Lifetime 32 ( 0.4%) 1 32 -hir-stats Mod 32 ( 0.4%) 1 32 +hir-stats Lifetime 32 ( 0.3%) 1 32 +hir-stats Mod 32 ( 0.3%) 1 32 hir-stats ExprField 40 ( 0.4%) 1 40 hir-stats TraitItemRef 56 ( 0.6%) 2 28 hir-stats Local 64 ( 0.7%) 1 64 hir-stats Param 64 ( 0.7%) 2 32 hir-stats InlineAsm 72 ( 0.8%) 1 72 hir-stats ImplItemRef 72 ( 0.8%) 2 36 -hir-stats Body 96 ( 1.1%) 3 32 -hir-stats GenericArg 96 ( 1.1%) 4 24 -hir-stats - Type 24 ( 0.3%) 1 -hir-stats - Lifetime 72 ( 0.8%) 3 -hir-stats FieldDef 96 ( 1.1%) 2 48 -hir-stats Arm 96 ( 1.1%) 2 48 -hir-stats Stmt 96 ( 1.1%) 3 32 -hir-stats - Local 32 ( 0.4%) 1 -hir-stats - Semi 32 ( 0.4%) 1 -hir-stats - Expr 32 ( 0.4%) 1 +hir-stats Body 96 ( 1.0%) 3 32 +hir-stats FieldDef 96 ( 1.0%) 2 48 +hir-stats Arm 96 ( 1.0%) 2 48 +hir-stats Stmt 96 ( 1.0%) 3 32 +hir-stats - Local 32 ( 0.3%) 1 +hir-stats - Semi 32 ( 0.3%) 1 +hir-stats - Expr 32 ( 0.3%) 1 hir-stats FnDecl 120 ( 1.3%) 3 40 hir-stats Attribute 128 ( 1.4%) 4 32 +hir-stats GenericArg 128 ( 1.4%) 4 32 +hir-stats - Type 32 ( 0.3%) 1 +hir-stats - Lifetime 96 ( 1.0%) 3 hir-stats GenericArgs 144 ( 1.6%) 3 48 -hir-stats Variant 160 ( 1.8%) 2 80 +hir-stats Variant 176 ( 1.9%) 2 88 hir-stats GenericBound 192 ( 2.1%) 4 48 hir-stats - Trait 192 ( 2.1%) 4 hir-stats WherePredicate 192 ( 2.1%) 3 64 hir-stats - BoundPredicate 192 ( 2.1%) 3 -hir-stats Block 288 ( 3.2%) 6 48 +hir-stats Block 288 ( 3.1%) 6 48 hir-stats Pat 360 ( 3.9%) 5 72 hir-stats - Wild 72 ( 0.8%) 1 hir-stats - Struct 72 ( 0.8%) 1 hir-stats - Binding 216 ( 2.4%) 3 hir-stats GenericParam 400 ( 4.4%) 5 80 hir-stats Generics 560 ( 6.1%) 10 56 -hir-stats Ty 720 ( 7.9%) 15 48 +hir-stats Ty 720 ( 7.8%) 15 48 hir-stats - Ptr 48 ( 0.5%) 1 hir-stats - Rptr 48 ( 0.5%) 1 hir-stats - Path 624 ( 6.8%) 13 @@ -169,10 +169,10 @@ hir-stats - Enum 80 ( 0.9%) 1 hir-stats - ExternCrate 80 ( 0.9%) 1 hir-stats - ForeignMod 80 ( 0.9%) 1 hir-stats - Impl 80 ( 0.9%) 1 -hir-stats - Fn 160 ( 1.8%) 2 +hir-stats - Fn 160 ( 1.7%) 2 hir-stats - Use 400 ( 4.4%) 5 -hir-stats Path 1_280 (14.0%) 32 40 -hir-stats PathSegment 1_920 (21.0%) 40 48 +hir-stats Path 1_280 (13.9%) 32 40 +hir-stats PathSegment 1_920 (20.9%) 40 48 hir-stats ---------------------------------------------------------------- -hir-stats Total 9_128 +hir-stats Total 9_176 hir-stats diff --git a/src/test/ui/target-feature/invalid-attribute.stderr b/src/test/ui/target-feature/invalid-attribute.stderr index 889ced9752b..a2adfc67f08 100644 --- a/src/test/ui/target-feature/invalid-attribute.stderr +++ b/src/test/ui/target-feature/invalid-attribute.stderr @@ -4,36 +4,6 @@ error: malformed `target_feature` attribute input LL | #[target_feature = "+sse2"] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: must be of the form: `#[target_feature(enable = "name")]` -error: the feature named `foo` is not valid for this target - --> $DIR/invalid-attribute.rs:19:18 - | -LL | #[target_feature(enable = "foo")] - | ^^^^^^^^^^^^^^ `foo` is not valid for this target - -error: malformed `target_feature` attribute input - --> $DIR/invalid-attribute.rs:22:18 - | -LL | #[target_feature(bar)] - | ^^^ help: must be of the form: `enable = ".."` - -error: malformed `target_feature` attribute input - --> $DIR/invalid-attribute.rs:24:18 - | -LL | #[target_feature(disable = "baz")] - | ^^^^^^^^^^^^^^^ help: must be of the form: `enable = ".."` - -error[E0658]: `#[target_feature(..)]` can only be applied to `unsafe` functions - --> $DIR/invalid-attribute.rs:28:1 - | -LL | #[target_feature(enable = "sse2")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -... -LL | fn bar() {} - | -------- not an `unsafe` function - | - = note: see issue #69098 <https://github.com/rust-lang/rust/issues/69098> for more information - = help: add `#![feature(target_feature_11)]` to the crate attributes to enable - error: attribute should be applied to a function definition --> $DIR/invalid-attribute.rs:34:1 | @@ -92,12 +62,6 @@ LL | LL | trait Baz {} | ------------ not a function definition -error: cannot use `#[inline(always)]` with `#[target_feature]` - --> $DIR/invalid-attribute.rs:67:1 - | -LL | #[inline(always)] - | ^^^^^^^^^^^^^^^^^ - error: attribute should be applied to a function definition --> $DIR/invalid-attribute.rs:85:5 | @@ -119,6 +83,42 @@ LL | LL | || {}; | ----- not a function definition +error: the feature named `foo` is not valid for this target + --> $DIR/invalid-attribute.rs:19:18 + | +LL | #[target_feature(enable = "foo")] + | ^^^^^^^^^^^^^^ `foo` is not valid for this target + +error: malformed `target_feature` attribute input + --> $DIR/invalid-attribute.rs:22:18 + | +LL | #[target_feature(bar)] + | ^^^ help: must be of the form: `enable = ".."` + +error: malformed `target_feature` attribute input + --> $DIR/invalid-attribute.rs:24:18 + | +LL | #[target_feature(disable = "baz")] + | ^^^^^^^^^^^^^^^ help: must be of the form: `enable = ".."` + +error[E0658]: `#[target_feature(..)]` can only be applied to `unsafe` functions + --> $DIR/invalid-attribute.rs:28:1 + | +LL | #[target_feature(enable = "sse2")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +... +LL | fn bar() {} + | -------- not an `unsafe` function + | + = note: see issue #69098 <https://github.com/rust-lang/rust/issues/69098> for more information + = help: add `#![feature(target_feature_11)]` to the crate attributes to enable + +error: cannot use `#[inline(always)]` with `#[target_feature]` + --> $DIR/invalid-attribute.rs:67:1 + | +LL | #[inline(always)] + | ^^^^^^^^^^^^^^^^^ + error[E0658]: `#[target_feature(..)]` can only be applied to `unsafe` functions --> $DIR/invalid-attribute.rs:77:5 | diff --git a/src/test/ui/traits/issue-102989.rs b/src/test/ui/traits/issue-102989.rs index 62f95272fbf..216cd78e56f 100644 --- a/src/test/ui/traits/issue-102989.rs +++ b/src/test/ui/traits/issue-102989.rs @@ -7,10 +7,8 @@ trait Sized { } //~ ERROR found duplicate lang item `sized` fn ref_Struct(self: &Struct, f: &u32) -> &u32 { //~^ ERROR `self` parameter is only allowed in associated functions //~| ERROR cannot find type `Struct` in this scope - //~| ERROR mismatched types let x = x << 1; - //~^ ERROR the size for values of type `{integer}` cannot be known at compilation time - //~| ERROR cannot find value `x` in this scope + //~^ ERROR cannot find value `x` in this scope } fn main() {} diff --git a/src/test/ui/traits/issue-102989.stderr b/src/test/ui/traits/issue-102989.stderr index efe1a246774..7d0098fe885 100644 --- a/src/test/ui/traits/issue-102989.stderr +++ b/src/test/ui/traits/issue-102989.stderr @@ -13,7 +13,7 @@ LL | fn ref_Struct(self: &Struct, f: &u32) -> &u32 { | ^^^^^^ not found in this scope error[E0425]: cannot find value `x` in this scope - --> $DIR/issue-102989.rs:11:13 + --> $DIR/issue-102989.rs:10:13 | LL | let x = x << 1; | ^ help: a local variable with a similar name exists: `f` @@ -28,32 +28,7 @@ LL | trait Sized { } = note: first definition in `core` loaded from SYSROOT/libcore-*.rlib = note: second definition in the local crate (`issue_102989`) -error[E0277]: the size for values of type `{integer}` cannot be known at compilation time - --> $DIR/issue-102989.rs:11:15 - | -LL | let x = x << 1; - | ^^ doesn't have a size known at compile-time - | - = help: the trait `std::marker::Sized` is not implemented for `{integer}` - -error[E0308]: mismatched types - --> $DIR/issue-102989.rs:7:42 - | -LL | fn ref_Struct(self: &Struct, f: &u32) -> &u32 { - | ---------- ^^^^ expected `&u32`, found `()` - | | - | implicitly returns `()` as its body has no tail or `return` expression - | -note: consider returning one of these bindings - --> $DIR/issue-102989.rs:7:30 - | -LL | fn ref_Struct(self: &Struct, f: &u32) -> &u32 { - | ^ -... -LL | let x = x << 1; - | ^ - -error: aborting due to 6 previous errors +error: aborting due to 4 previous errors -Some errors have detailed explanations: E0152, E0277, E0308, E0412, E0425. +Some errors have detailed explanations: E0152, E0412, E0425. For more information about an error, try `rustc --explain E0152`. diff --git a/src/test/ui/typeck/issue-103899.rs b/src/test/ui/typeck/issue-103899.rs index 9d5341dab42..ac9e4c71696 100644 --- a/src/test/ui/typeck/issue-103899.rs +++ b/src/test/ui/typeck/issue-103899.rs @@ -1,9 +1,6 @@ // check-fail // failure-status: 101 -// normalize-stderr-test "note: .*" -> "" -// normalize-stderr-test "thread 'rustc' .*" -> "" -// normalize-stderr-test " .*\n" -> "" -// normalize-stderr-test " .*\n" -> "" +// dont-check-compiler-stderr // known-bug: #103899 trait BaseWithAssoc { diff --git a/src/test/ui/typeck/issue-103899.stderr b/src/test/ui/typeck/issue-103899.stderr deleted file mode 100644 index 836c6ee486f..00000000000 --- a/src/test/ui/typeck/issue-103899.stderr +++ /dev/null @@ -1,12 +0,0 @@ - -stack -error: - - - - - - - - -query#0#1end \ No newline at end of file diff --git a/src/test/ui/typeck/issue-104510-ice.rs b/src/test/ui/typeck/issue-104510-ice.rs new file mode 100644 index 00000000000..157bdf07e38 --- /dev/null +++ b/src/test/ui/typeck/issue-104510-ice.rs @@ -0,0 +1,16 @@ +// needs-asm-support +// only-x86_64 + +struct W<T: ?Sized>(Oops); +//~^ ERROR cannot find type `Oops` in this scope + +unsafe fn test() { + let j = W(()); + let pointer = &j as *const _; + core::arch::asm!( + "nop", + in("eax") pointer, + ); +} + +fn main() {} diff --git a/src/test/ui/typeck/issue-104510-ice.stderr b/src/test/ui/typeck/issue-104510-ice.stderr new file mode 100644 index 00000000000..ddb510ef047 --- /dev/null +++ b/src/test/ui/typeck/issue-104510-ice.stderr @@ -0,0 +1,9 @@ +error[E0412]: cannot find type `Oops` in this scope + --> $DIR/issue-104510-ice.rs:4:21 + | +LL | struct W<T: ?Sized>(Oops); + | ^^^^ not found in this scope + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0412`. diff --git a/src/tools/clippy/clippy_lints/src/dereference.rs b/src/tools/clippy/clippy_lints/src/dereference.rs index a37ee82d4c8..218dbeaddca 100644 --- a/src/tools/clippy/clippy_lints/src/dereference.rs +++ b/src/tools/clippy/clippy_lints/src/dereference.rs @@ -1156,7 +1156,7 @@ fn needless_borrow_impl_arg_position<'tcx>( } let predicate = EarlyBinder(predicate).subst(cx.tcx, &substs_with_referent_ty); - let obligation = Obligation::new(ObligationCause::dummy(), cx.param_env, predicate); + let obligation = Obligation::new(cx.tcx, ObligationCause::dummy(), cx.param_env, predicate); let infcx = cx.tcx.infer_ctxt().build(); infcx.predicate_must_hold_modulo_regions(&obligation) }) diff --git a/src/tools/clippy/clippy_lints/src/manual_non_exhaustive.rs b/src/tools/clippy/clippy_lints/src/manual_non_exhaustive.rs index 6806c146696..4877cee0cc1 100644 --- a/src/tools/clippy/clippy_lints/src/manual_non_exhaustive.rs +++ b/src/tools/clippy/clippy_lints/src/manual_non_exhaustive.rs @@ -157,10 +157,10 @@ impl<'tcx> LateLintPass<'tcx> for ManualNonExhaustiveEnum { && def.variants.len() > 1 { let mut iter = def.variants.iter().filter_map(|v| { - let id = cx.tcx.hir().local_def_id(v.id); - (matches!(v.data, hir::VariantData::Unit(_)) + let id = cx.tcx.hir().local_def_id(v.hir_id); + (matches!(v.data, hir::VariantData::Unit(..)) && v.ident.as_str().starts_with('_') - && is_doc_hidden(cx.tcx.hir().attrs(v.id))) + && is_doc_hidden(cx.tcx.hir().attrs(v.hir_id))) .then_some((id, v.span)) }); if let Some((id, span)) = iter.next() diff --git a/src/tools/clippy/clippy_lints/src/methods/unnecessary_to_owned.rs b/src/tools/clippy/clippy_lints/src/methods/unnecessary_to_owned.rs index 642a64ae77b..c7775313ecd 100644 --- a/src/tools/clippy/clippy_lints/src/methods/unnecessary_to_owned.rs +++ b/src/tools/clippy/clippy_lints/src/methods/unnecessary_to_owned.rs @@ -419,7 +419,7 @@ fn can_change_type<'a>(cx: &LateContext<'a>, mut expr: &'a Expr<'a>, mut ty: Ty< if trait_predicates.any(|predicate| { let predicate = EarlyBinder(predicate).subst(cx.tcx, new_subst); - let obligation = Obligation::new(ObligationCause::dummy(), cx.param_env, predicate); + let obligation = Obligation::new(cx.tcx, ObligationCause::dummy(), cx.param_env, predicate); !cx.tcx.infer_ctxt().build().predicate_must_hold_modulo_regions(&obligation) }) { return false; diff --git a/src/tools/clippy/clippy_lints/src/missing_doc.rs b/src/tools/clippy/clippy_lints/src/missing_doc.rs index 2a63681db60..6fd100762b4 100644 --- a/src/tools/clippy/clippy_lints/src/missing_doc.rs +++ b/src/tools/clippy/clippy_lints/src/missing_doc.rs @@ -199,7 +199,7 @@ impl<'tcx> LateLintPass<'tcx> for MissingDoc { } fn check_variant(&mut self, cx: &LateContext<'tcx>, v: &'tcx hir::Variant<'_>) { - let attrs = cx.tcx.hir().attrs(v.id); + let attrs = cx.tcx.hir().attrs(v.hir_id); if !is_from_proc_macro(cx, v) { self.check_missing_docs_attrs(cx, attrs, v.span, "a", "variant"); } diff --git a/src/tools/clippy/clippy_lints/src/ptr.rs b/src/tools/clippy/clippy_lints/src/ptr.rs index 0d74c90a834..c8c6f32c6c9 100644 --- a/src/tools/clippy/clippy_lints/src/ptr.rs +++ b/src/tools/clippy/clippy_lints/src/ptr.rs @@ -695,6 +695,7 @@ fn matches_preds<'tcx>( .type_implements_trait(p.def_id, ty, p.substs, cx.param_env) .must_apply_modulo_regions(), ExistentialPredicate::Projection(p) => infcx.predicate_must_hold_modulo_regions(&Obligation::new( + cx.tcx, ObligationCause::dummy(), cx.param_env, cx.tcx.mk_predicate(Binder::bind_with_vars( diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs index 8d8ca101cd0..ebce0283fba 100644 --- a/src/tools/compiletest/src/runtest.rs +++ b/src/tools/compiletest/src/runtest.rs @@ -2987,6 +2987,10 @@ impl<'test> TestCx<'test> { cmd.env("LLVM_BIN_DIR", llvm_bin_dir); } + if let Some(ref remote_test_client) = self.config.remote_test_client { + cmd.env("REMOTE_TEST_CLIENT", remote_test_client); + } + // We don't want RUSTFLAGS set from the outside to interfere with // compiler flags set in the test cases: cmd.env_remove("RUSTFLAGS"); |