diff --git a/compiler/rustc_passes/src/hir_stats.rs b/compiler/rustc_passes/src/hir_stats.rs index 27714a0fdcca0..55fdbac8ad67a 100644 --- a/compiler/rustc_passes/src/hir_stats.rs +++ b/compiler/rustc_passes/src/hir_stats.rs @@ -3,7 +3,7 @@ // completely accurate (some things might be counted twice, others missed). use rustc_ast::visit::BoundKind; -use rustc_ast::{self as ast, AttrId, NodeId, visit as ast_visit}; +use rustc_ast::{self as ast, NodeId, visit as ast_visit}; use rustc_data_structures::fx::{FxHashMap, FxHashSet}; use rustc_hir as hir; use rustc_hir::{HirId, intravisit as hir_visit}; @@ -13,13 +13,6 @@ use rustc_middle::util::common::to_readable_str; use rustc_span::Span; use rustc_span::def_id::LocalDefId; -#[derive(Copy, Clone, PartialEq, Eq, Hash)] -enum Id { - Node(HirId), - Attr(AttrId), - None, -} - struct NodeStats { count: usize, size: usize, @@ -62,7 +55,7 @@ impl Node { struct StatCollector<'k> { krate: Option>, nodes: FxHashMap<&'static str, Node>, - seen: FxHashSet, + seen: FxHashSet, } pub fn print_hir_stats(tcx: TyCtxt<'_>) { @@ -87,12 +80,18 @@ pub fn print_ast_stats(krate: &ast::Crate, title: &str, prefix: &str) { impl<'k> StatCollector<'k> { // Record a top-level node. - fn record(&mut self, label: &'static str, id: Id, val: &T) { + fn record(&mut self, label: &'static str, id: Option, val: &T) { self.record_inner(label, None, id, val); } // Record a two-level entry, with a top-level enum type and a variant. - fn record_variant(&mut self, label1: &'static str, label2: &'static str, id: Id, val: &T) { + fn record_variant( + &mut self, + label1: &'static str, + label2: &'static str, + id: Option, + val: &T, + ) { self.record_inner(label1, Some(label2), id, val); } @@ -100,10 +99,10 @@ impl<'k> StatCollector<'k> { &mut self, label1: &'static str, label2: Option<&'static str>, - id: Id, + id: Option, val: &T, ) { - if id != Id::None && !self.seen.insert(id) { + if id.is_some_and(|x| !self.seen.insert(x)) { return; } @@ -191,7 +190,7 @@ macro_rules! record_variants { impl<'v> hir_visit::Visitor<'v> for StatCollector<'v> { fn visit_param(&mut self, param: &'v hir::Param<'v>) { - self.record("Param", Id::Node(param.hir_id), param); + self.record("Param", Some(param.hir_id), param); hir_visit::walk_param(self, param) } @@ -221,7 +220,7 @@ impl<'v> hir_visit::Visitor<'v> for StatCollector<'v> { } fn visit_item(&mut self, i: &'v hir::Item<'v>) { - record_variants!((self, i, i.kind, Id::Node(i.hir_id()), hir, Item, ItemKind), [ + record_variants!((self, i, i.kind, Some(i.hir_id()), hir, Item, ItemKind), [ ExternCrate, Use, Static, @@ -243,47 +242,46 @@ impl<'v> hir_visit::Visitor<'v> for StatCollector<'v> { } fn visit_body(&mut self, b: &hir::Body<'v>) { - self.record("Body", Id::None, b); + self.record("Body", None, b); hir_visit::walk_body(self, b); } fn visit_mod(&mut self, m: &'v hir::Mod<'v>, _s: Span, n: HirId) { - self.record("Mod", Id::None, m); + self.record("Mod", None, m); hir_visit::walk_mod(self, m, n) } fn visit_foreign_item(&mut self, i: &'v hir::ForeignItem<'v>) { - record_variants!( - (self, i, i.kind, Id::Node(i.hir_id()), hir, ForeignItem, ForeignItemKind), - [Fn, Static, Type] - ); + record_variants!((self, i, i.kind, Some(i.hir_id()), hir, ForeignItem, ForeignItemKind), [ + Fn, Static, Type + ]); hir_visit::walk_foreign_item(self, i) } fn visit_local(&mut self, l: &'v hir::LetStmt<'v>) { - self.record("Local", Id::Node(l.hir_id), l); + self.record("Local", Some(l.hir_id), l); hir_visit::walk_local(self, l) } fn visit_block(&mut self, b: &'v hir::Block<'v>) { - self.record("Block", Id::Node(b.hir_id), b); + self.record("Block", Some(b.hir_id), b); hir_visit::walk_block(self, b) } fn visit_stmt(&mut self, s: &'v hir::Stmt<'v>) { - record_variants!((self, s, s.kind, Id::Node(s.hir_id), hir, Stmt, StmtKind), [ + record_variants!((self, s, s.kind, Some(s.hir_id), hir, Stmt, StmtKind), [ Let, Item, Expr, Semi ]); hir_visit::walk_stmt(self, s) } fn visit_arm(&mut self, a: &'v hir::Arm<'v>) { - self.record("Arm", Id::Node(a.hir_id), a); + self.record("Arm", Some(a.hir_id), a); hir_visit::walk_arm(self, a) } fn visit_pat(&mut self, p: &'v hir::Pat<'v>) { - record_variants!((self, p, p.kind, Id::Node(p.hir_id), hir, Pat, PatKind), [ + record_variants!((self, p, p.kind, Some(p.hir_id), hir, Pat, PatKind), [ Wild, Binding, Struct, @@ -304,12 +302,12 @@ impl<'v> hir_visit::Visitor<'v> for StatCollector<'v> { } fn visit_pat_field(&mut self, f: &'v hir::PatField<'v>) { - self.record("PatField", Id::Node(f.hir_id), f); + self.record("PatField", Some(f.hir_id), f); hir_visit::walk_pat_field(self, f) } fn visit_expr(&mut self, e: &'v hir::Expr<'v>) { - record_variants!((self, e, e.kind, Id::Node(e.hir_id), hir, Expr, ExprKind), [ + record_variants!((self, e, e.kind, Some(e.hir_id), hir, Expr, ExprKind), [ ConstBlock, Array, Call, MethodCall, Tup, Binary, Unary, Lit, Cast, Type, DropTemps, Let, If, Loop, Match, Closure, Block, Assign, AssignOp, Field, Index, Path, AddrOf, Break, Continue, Ret, Become, InlineAsm, OffsetOf, Struct, Repeat, Yield, Err @@ -318,12 +316,12 @@ impl<'v> hir_visit::Visitor<'v> for StatCollector<'v> { } fn visit_expr_field(&mut self, f: &'v hir::ExprField<'v>) { - self.record("ExprField", Id::Node(f.hir_id), f); + self.record("ExprField", Some(f.hir_id), f); hir_visit::walk_expr_field(self, f) } fn visit_ty(&mut self, t: &'v hir::Ty<'v>) { - record_variants!((self, t, t.kind, Id::Node(t.hir_id), hir, Ty, TyKind), [ + record_variants!((self, t, t.kind, Some(t.hir_id), hir, Ty, TyKind), [ InferDelegation, Slice, Array, @@ -345,17 +343,17 @@ impl<'v> hir_visit::Visitor<'v> for StatCollector<'v> { } fn visit_generic_param(&mut self, p: &'v hir::GenericParam<'v>) { - self.record("GenericParam", Id::Node(p.hir_id), p); + self.record("GenericParam", Some(p.hir_id), p); hir_visit::walk_generic_param(self, p) } fn visit_generics(&mut self, g: &'v hir::Generics<'v>) { - self.record("Generics", Id::None, g); + self.record("Generics", None, g); hir_visit::walk_generics(self, g) } fn visit_where_predicate(&mut self, p: &'v hir::WherePredicate<'v>) { - record_variants!((self, p, p, Id::None, hir, WherePredicate, WherePredicate), [ + record_variants!((self, p, p, None, hir, WherePredicate, WherePredicate), [ BoundPredicate, RegionPredicate, EqPredicate @@ -371,66 +369,64 @@ impl<'v> hir_visit::Visitor<'v> for StatCollector<'v> { _: Span, id: LocalDefId, ) { - self.record("FnDecl", Id::None, fd); + self.record("FnDecl", None, fd); hir_visit::walk_fn(self, fk, fd, b, id) } fn visit_use(&mut self, p: &'v hir::UsePath<'v>, hir_id: HirId) { // This is `visit_use`, but the type is `Path` so record it that way. - self.record("Path", Id::None, p); + self.record("Path", None, p); hir_visit::walk_use(self, p, hir_id) } fn visit_trait_item(&mut self, ti: &'v hir::TraitItem<'v>) { - record_variants!( - (self, ti, ti.kind, Id::Node(ti.hir_id()), hir, TraitItem, TraitItemKind), - [Const, Fn, Type] - ); + record_variants!((self, ti, ti.kind, Some(ti.hir_id()), hir, TraitItem, TraitItemKind), [ + Const, Fn, Type + ]); hir_visit::walk_trait_item(self, ti) } fn visit_trait_item_ref(&mut self, ti: &'v hir::TraitItemRef) { - self.record("TraitItemRef", Id::Node(ti.id.hir_id()), ti); + self.record("TraitItemRef", Some(ti.id.hir_id()), ti); hir_visit::walk_trait_item_ref(self, ti) } fn visit_impl_item(&mut self, ii: &'v hir::ImplItem<'v>) { - record_variants!( - (self, ii, ii.kind, Id::Node(ii.hir_id()), hir, ImplItem, ImplItemKind), - [Const, Fn, Type] - ); + record_variants!((self, ii, ii.kind, Some(ii.hir_id()), hir, ImplItem, ImplItemKind), [ + Const, Fn, Type + ]); hir_visit::walk_impl_item(self, ii) } fn visit_foreign_item_ref(&mut self, fi: &'v hir::ForeignItemRef) { - self.record("ForeignItemRef", Id::Node(fi.id.hir_id()), fi); + self.record("ForeignItemRef", Some(fi.id.hir_id()), fi); hir_visit::walk_foreign_item_ref(self, fi) } fn visit_impl_item_ref(&mut self, ii: &'v hir::ImplItemRef) { - self.record("ImplItemRef", Id::Node(ii.id.hir_id()), ii); + self.record("ImplItemRef", Some(ii.id.hir_id()), ii); hir_visit::walk_impl_item_ref(self, ii) } fn visit_param_bound(&mut self, b: &'v hir::GenericBound<'v>) { - record_variants!((self, b, b, Id::None, hir, GenericBound, GenericBound), [ + record_variants!((self, b, b, None, hir, GenericBound, GenericBound), [ Trait, Outlives, Use ]); hir_visit::walk_param_bound(self, b) } fn visit_field_def(&mut self, s: &'v hir::FieldDef<'v>) { - self.record("FieldDef", Id::Node(s.hir_id), s); + self.record("FieldDef", Some(s.hir_id), s); hir_visit::walk_field_def(self, s) } fn visit_variant(&mut self, v: &'v hir::Variant<'v>) { - self.record("Variant", Id::None, v); + self.record("Variant", None, v); hir_visit::walk_variant(self, v) } fn visit_generic_arg(&mut self, ga: &'v hir::GenericArg<'v>) { - record_variants!((self, ga, ga, Id::Node(ga.hir_id()), hir, GenericArg, GenericArg), [ + record_variants!((self, ga, ga, Some(ga.hir_id()), hir, GenericArg, GenericArg), [ Lifetime, Type, Const, Infer ]); match ga { @@ -442,50 +438,50 @@ impl<'v> hir_visit::Visitor<'v> for StatCollector<'v> { } fn visit_lifetime(&mut self, lifetime: &'v hir::Lifetime) { - self.record("Lifetime", Id::Node(lifetime.hir_id), lifetime); + self.record("Lifetime", Some(lifetime.hir_id), lifetime); hir_visit::walk_lifetime(self, lifetime) } fn visit_path(&mut self, path: &hir::Path<'v>, _id: HirId) { - self.record("Path", Id::None, path); + self.record("Path", None, path); hir_visit::walk_path(self, path) } fn visit_path_segment(&mut self, path_segment: &'v hir::PathSegment<'v>) { - self.record("PathSegment", Id::None, path_segment); + self.record("PathSegment", None, path_segment); hir_visit::walk_path_segment(self, path_segment) } fn visit_generic_args(&mut self, ga: &'v hir::GenericArgs<'v>) { - self.record("GenericArgs", Id::None, ga); + self.record("GenericArgs", None, ga); hir_visit::walk_generic_args(self, ga) } fn visit_assoc_item_constraint(&mut self, constraint: &'v hir::AssocItemConstraint<'v>) { - self.record("AssocItemConstraint", Id::Node(constraint.hir_id), constraint); + self.record("AssocItemConstraint", Some(constraint.hir_id), constraint); hir_visit::walk_assoc_item_constraint(self, constraint) } fn visit_attribute(&mut self, attr: &'v ast::Attribute) { - self.record("Attribute", Id::Attr(attr.id), attr); + self.record("Attribute", None, attr); } fn visit_inline_asm(&mut self, asm: &'v hir::InlineAsm<'v>, id: HirId) { - self.record("InlineAsm", Id::None, asm); + self.record("InlineAsm", None, asm); hir_visit::walk_inline_asm(self, asm, id); } } impl<'v> ast_visit::Visitor<'v> for StatCollector<'v> { fn visit_foreign_item(&mut self, i: &'v ast::ForeignItem) { - record_variants!((self, i, i.kind, Id::None, ast, ForeignItem, ForeignItemKind), [ + record_variants!((self, i, i.kind, None, ast, ForeignItem, ForeignItemKind), [ Static, Fn, TyAlias, MacCall ]); ast_visit::walk_item(self, i) } fn visit_item(&mut self, i: &'v ast::Item) { - record_variants!((self, i, i.kind, Id::None, ast, Item, ItemKind), [ + record_variants!((self, i, i.kind, None, ast, Item, ItemKind), [ ExternCrate, Use, Static, @@ -510,34 +506,34 @@ impl<'v> ast_visit::Visitor<'v> for StatCollector<'v> { } fn visit_local(&mut self, l: &'v ast::Local) { - self.record("Local", Id::None, l); + self.record("Local", None, l); ast_visit::walk_local(self, l) } fn visit_block(&mut self, b: &'v ast::Block) { - self.record("Block", Id::None, b); + self.record("Block", None, b); ast_visit::walk_block(self, b) } fn visit_stmt(&mut self, s: &'v ast::Stmt) { - record_variants!((self, s, s.kind, Id::None, ast, Stmt, StmtKind), [ + record_variants!((self, s, s.kind, None, ast, Stmt, StmtKind), [ Let, Item, Expr, Semi, Empty, MacCall ]); ast_visit::walk_stmt(self, s) } fn visit_param(&mut self, p: &'v ast::Param) { - self.record("Param", Id::None, p); + self.record("Param", None, p); ast_visit::walk_param(self, p) } fn visit_arm(&mut self, a: &'v ast::Arm) { - self.record("Arm", Id::None, a); + self.record("Arm", None, a); ast_visit::walk_arm(self, a) } fn visit_pat(&mut self, p: &'v ast::Pat) { - record_variants!((self, p, p.kind, Id::None, ast, Pat, PatKind), [ + record_variants!((self, p, p.kind, None, ast, Pat, PatKind), [ Wild, Ident, Struct, @@ -563,7 +559,7 @@ impl<'v> ast_visit::Visitor<'v> for StatCollector<'v> { fn visit_expr(&mut self, e: &'v ast::Expr) { #[rustfmt::skip] record_variants!( - (self, e, e.kind, Id::None, ast, Expr, ExprKind), + (self, e, e.kind, None, ast, Expr, ExprKind), [ Array, ConstBlock, Call, MethodCall, Tup, Binary, Unary, Lit, Cast, Type, Let, If, While, ForLoop, Loop, Match, Closure, Block, Await, TryBlock, Assign, @@ -576,7 +572,7 @@ impl<'v> ast_visit::Visitor<'v> for StatCollector<'v> { } fn visit_ty(&mut self, t: &'v ast::Ty) { - record_variants!((self, t, t.kind, Id::None, ast, Ty, TyKind), [ + record_variants!((self, t, t.kind, None, ast, Ty, TyKind), [ Slice, Array, Ptr, @@ -603,12 +599,12 @@ impl<'v> ast_visit::Visitor<'v> for StatCollector<'v> { } fn visit_generic_param(&mut self, g: &'v ast::GenericParam) { - self.record("GenericParam", Id::None, g); + self.record("GenericParam", None, g); ast_visit::walk_generic_param(self, g) } fn visit_where_predicate(&mut self, p: &'v ast::WherePredicate) { - record_variants!((self, p, p, Id::None, ast, WherePredicate, WherePredicate), [ + record_variants!((self, p, p, None, ast, WherePredicate, WherePredicate), [ BoundPredicate, RegionPredicate, EqPredicate @@ -617,12 +613,12 @@ impl<'v> ast_visit::Visitor<'v> for StatCollector<'v> { } fn visit_fn(&mut self, fk: ast_visit::FnKind<'v>, _: Span, _: NodeId) { - self.record("FnDecl", Id::None, fk.decl()); + self.record("FnDecl", None, fk.decl()); ast_visit::walk_fn(self, fk) } fn visit_assoc_item(&mut self, i: &'v ast::AssocItem, ctxt: ast_visit::AssocCtxt) { - record_variants!((self, i, i.kind, Id::None, ast, AssocItem, AssocItemKind), [ + record_variants!((self, i, i.kind, None, ast, AssocItem, AssocItemKind), [ Const, Fn, Type, @@ -634,19 +630,19 @@ impl<'v> ast_visit::Visitor<'v> for StatCollector<'v> { } fn visit_param_bound(&mut self, b: &'v ast::GenericBound, _ctxt: BoundKind) { - record_variants!((self, b, b, Id::None, ast, GenericBound, GenericBound), [ + record_variants!((self, b, b, None, ast, GenericBound, GenericBound), [ Trait, Outlives, Use ]); ast_visit::walk_param_bound(self, b) } fn visit_field_def(&mut self, s: &'v ast::FieldDef) { - self.record("FieldDef", Id::None, s); + self.record("FieldDef", None, s); ast_visit::walk_field_def(self, s) } fn visit_variant(&mut self, v: &'v ast::Variant) { - self.record("Variant", Id::None, v); + self.record("Variant", None, v); ast_visit::walk_variant(self, v) } @@ -660,7 +656,7 @@ impl<'v> ast_visit::Visitor<'v> for StatCollector<'v> { // common than the former case, so we implement this visitor and tolerate // the double counting in the former case. fn visit_path_segment(&mut self, path_segment: &'v ast::PathSegment) { - self.record("PathSegment", Id::None, path_segment); + self.record("PathSegment", None, path_segment); ast_visit::walk_path_segment(self, path_segment) } @@ -669,7 +665,7 @@ impl<'v> ast_visit::Visitor<'v> for StatCollector<'v> { // common, so we implement `visit_generic_args` and tolerate the double // counting in the former case. fn visit_generic_args(&mut self, g: &'v ast::GenericArgs) { - record_variants!((self, g, g, Id::None, ast, GenericArgs, GenericArgs), [ + record_variants!((self, g, g, None, ast, GenericArgs, GenericArgs), [ AngleBracketed, Parenthesized, ParenthesizedElided @@ -678,24 +674,24 @@ impl<'v> ast_visit::Visitor<'v> for StatCollector<'v> { } fn visit_attribute(&mut self, attr: &'v ast::Attribute) { - record_variants!((self, attr, attr.kind, Id::None, ast, Attribute, AttrKind), [ + record_variants!((self, attr, attr.kind, None, ast, Attribute, AttrKind), [ Normal, DocComment ]); ast_visit::walk_attribute(self, attr) } fn visit_expr_field(&mut self, f: &'v ast::ExprField) { - self.record("ExprField", Id::None, f); + self.record("ExprField", None, f); ast_visit::walk_expr_field(self, f) } fn visit_crate(&mut self, krate: &'v ast::Crate) { - self.record("Crate", Id::None, krate); + self.record("Crate", None, krate); ast_visit::walk_crate(self, krate) } fn visit_inline_asm(&mut self, asm: &'v ast::InlineAsm) { - self.record("InlineAsm", Id::None, asm); + self.record("InlineAsm", None, asm); ast_visit::walk_inline_asm(self, asm) } }