From c416249337e238ff888d7c079b904c2938dd8534 Mon Sep 17 00:00:00 2001 From: A4-Tacks Date: Mon, 12 May 2025 14:02:58 +0800 Subject: [PATCH 001/157] feat: ide-assist, generate single field struct From --- .../generate_single_field_struct_from.rs | 1000 +++++++++++++++++ .../crates/ide-assists/src/lib.rs | 2 + .../crates/ide-assists/src/tests/generated.rs | 28 + .../crates/ide-assists/src/utils.rs | 19 +- 4 files changed, 1043 insertions(+), 6 deletions(-) create mode 100644 src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_single_field_struct_from.rs diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_single_field_struct_from.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_single_field_struct_from.rs new file mode 100644 index 000000000000..4e95ceb2e853 --- /dev/null +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_single_field_struct_from.rs @@ -0,0 +1,1000 @@ +use ast::make; +use hir::{HasCrate, ModuleDef, Semantics}; +use ide_db::{ + RootDatabase, famous_defs::FamousDefs, helpers::mod_path_to_ast, + imports::import_assets::item_for_path_search, use_trivial_constructor::use_trivial_constructor, +}; +use syntax::{ + TokenText, + ast::{self, AstNode, HasGenericParams, HasName, edit, edit_in_place::Indent}, +}; + +use crate::{ + AssistId, + assist_context::{AssistContext, Assists}, + utils::add_cfg_attrs_to, +}; + +// Assist: generate_single_field_struct_from +// +// Implement From for a single field structure, ignore trivial types. +// +// ``` +// # //- minicore: from, phantom_data +// use core::marker::PhantomData; +// struct $0Foo { +// id: i32, +// _phantom_data: PhantomData, +// } +// ``` +// -> +// ``` +// use core::marker::PhantomData; +// struct Foo { +// id: i32, +// _phantom_data: PhantomData, +// } +// +// impl From for Foo { +// fn from(id: i32) -> Self { +// Self { id, _phantom_data: PhantomData } +// } +// } +// ``` +pub(crate) fn generate_single_field_struct_from( + acc: &mut Assists, + ctx: &AssistContext<'_>, +) -> Option<()> { + let strukt_name = ctx.find_node_at_offset::()?; + let adt = ast::Adt::cast(strukt_name.syntax().parent()?)?; + let ast::Adt::Struct(strukt) = adt else { + return None; + }; + + let sema = &ctx.sema; + let (names, types) = get_fields(&strukt)?; + + let module = sema.scope(strukt.syntax())?.module(); + let constructors = make_constructors(ctx, module, &types); + + if constructors.iter().filter(|expr| expr.is_none()).count() != 1 { + return None; + } + let main_field_i = constructors.iter().position(Option::is_none)?; + if from_impl_exists(&strukt, main_field_i, &ctx.sema).is_some() { + return None; + } + + let main_field_name = + names.as_ref().map_or(TokenText::borrowed("value"), |names| names[main_field_i].text()); + let main_field_ty = types[main_field_i].clone(); + + acc.add( + AssistId::generate("generate_single_field_struct_from"), + "Generate single field `From`", + strukt.syntax().text_range(), + |builder| { + let indent = strukt.indent_level(); + let ty_where_clause = strukt.where_clause(); + let type_gen_params = strukt.generic_param_list(); + let type_gen_args = type_gen_params.as_ref().map(|params| params.to_generic_args()); + let trait_gen_args = Some(make::generic_arg_list([ast::GenericArg::TypeArg( + make::type_arg(main_field_ty.clone()), + )])); + + let ty = make::ty(&strukt_name.text()); + + let constructor = + make_adt_constructor(names.as_deref(), constructors, &main_field_name); + let body = make::block_expr([], Some(constructor)); + + let fn_ = make::fn_( + None, + make::name("from"), + None, + None, + make::param_list( + None, + [make::param( + make::path_pat(make::path_from_text(&main_field_name)), + main_field_ty, + )], + ), + body, + Some(make::ret_type(make::ty("Self"))), + false, + false, + false, + false, + ) + .clone_for_update(); + + fn_.indent(1.into()); + + let impl_ = make::impl_trait( + false, + None, + trait_gen_args, + type_gen_params, + type_gen_args, + false, + make::ty("From"), + ty.clone(), + None, + ty_where_clause.map(|wc| edit::AstNodeEdit::reset_indent(&wc)), + None, + ) + .clone_for_update(); + + impl_.get_or_create_assoc_item_list().add_item(fn_.into()); + + add_cfg_attrs_to(&strukt, &impl_); + + impl_.reindent_to(indent); + + builder.insert(strukt.syntax().text_range().end(), format!("\n\n{indent}{impl_}")); + }, + ) +} + +fn make_adt_constructor( + names: Option<&[ast::Name]>, + constructors: Vec>, + main_field_name: &TokenText<'_>, +) -> ast::Expr { + if let Some(names) = names { + let fields = make::record_expr_field_list(names.iter().zip(constructors).map( + |(name, initializer)| { + make::record_expr_field(make::name_ref(&name.text()), initializer) + }, + )); + make::record_expr(make::path_from_text("Self"), fields).into() + } else { + let arg_list = make::arg_list(constructors.into_iter().map(|expr| { + expr.unwrap_or_else(|| make::expr_path(make::path_from_text(main_field_name))) + })); + make::expr_call(make::expr_path(make::path_from_text("Self")), arg_list).into() + } +} + +fn make_constructors( + ctx: &AssistContext<'_>, + module: hir::Module, + types: &[ast::Type], +) -> Vec> { + let (db, sema) = (ctx.db(), &ctx.sema); + types + .iter() + .map(|ty| { + let ty = sema.resolve_type(ty)?; + if ty.is_unit() { + return Some(make::expr_tuple([]).into()); + } + let item_in_ns = ModuleDef::Adt(ty.as_adt()?).into(); + let edition = module.krate().edition(db); + + let ty_path = module.find_path( + db, + item_for_path_search(db, item_in_ns)?, + ctx.config.import_path_config(), + )?; + + use_trivial_constructor(db, mod_path_to_ast(&ty_path, edition), &ty, edition) + }) + .collect() +} + +fn get_fields(strukt: &ast::Struct) -> Option<(Option>, Vec)> { + Some(match strukt.kind() { + ast::StructKind::Unit => return None, + ast::StructKind::Record(fields) => { + let names = fields.fields().map(|field| field.name()).collect::>()?; + let types = fields.fields().map(|field| field.ty()).collect::>()?; + (Some(names), types) + } + ast::StructKind::Tuple(fields) => { + (None, fields.fields().map(|field| field.ty()).collect::>()?) + } + }) +} + +fn from_impl_exists( + strukt: &ast::Struct, + main_field_i: usize, + sema: &Semantics<'_, RootDatabase>, +) -> Option<()> { + let db = sema.db; + let strukt = sema.to_def(strukt)?; + let krate = strukt.krate(db); + let from_trait = FamousDefs(sema, krate).core_convert_From()?; + let ty = strukt.fields(db).get(main_field_i)?.ty(db); + + strukt.ty(db).impls_trait(db, from_trait, &[ty]).then_some(()) +} + +#[cfg(test)] +mod tests { + use crate::tests::{check_assist, check_assist_not_applicable}; + + use super::generate_single_field_struct_from; + + #[test] + fn works() { + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo { + foo: i32, + } + "#, + r#" + struct Foo { + foo: i32, + } + + impl From for Foo { + fn from(foo: i32) -> Self { + Self { foo } + } + } + "#, + ); + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from, phantom_data + struct $0Foo { + b1: (), + b2: core::marker::PhantomData, + foo: i32, + a1: (), + a2: core::marker::PhantomData, + } + "#, + r#" + struct Foo { + b1: (), + b2: core::marker::PhantomData, + foo: i32, + a1: (), + a2: core::marker::PhantomData, + } + + impl From for Foo { + fn from(foo: i32) -> Self { + Self { b1: (), b2: core::marker::PhantomData, foo, a1: (), a2: core::marker::PhantomData } + } + } + "#, + ); + } + + #[test] + fn cfgs() { + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + #[cfg(feature = "foo")] + #[cfg(test)] + struct $0Foo { + foo: i32, + } + "#, + r#" + #[cfg(feature = "foo")] + #[cfg(test)] + struct Foo { + foo: i32, + } + + #[cfg(feature = "foo")] + #[cfg(test)] + impl From for Foo { + fn from(foo: i32) -> Self { + Self { foo } + } + } + "#, + ); + } + + #[test] + fn indent() { + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + mod foo { + struct $0Foo { + foo: i32, + } + } + "#, + r#" + mod foo { + struct Foo { + foo: i32, + } + + impl From for Foo { + fn from(foo: i32) -> Self { + Self { foo } + } + } + } + "#, + ); + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + mod foo { + mod bar { + struct $0Foo { + foo: i32, + } + } + } + "#, + r#" + mod foo { + mod bar { + struct Foo { + foo: i32, + } + + impl From for Foo { + fn from(foo: i32) -> Self { + Self { foo } + } + } + } + } + "#, + ); + } + + #[test] + fn where_clause_indent() { + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + mod foo { + mod bar { + trait Trait {} + struct $0Foo + where + T: Trait, + { + foo: T, + } + } + } + "#, + r#" + mod foo { + mod bar { + trait Trait {} + struct Foo + where + T: Trait, + { + foo: T, + } + + impl From for Foo + where + T: Trait, + { + fn from(foo: T) -> Self { + Self { foo } + } + } + } + } + "#, + ); + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + mod foo { + mod bar { + trait Trait {} + struct $0Foo + where + T: Trait<{ + true + }> + { + foo: T, + } + } + } + "#, + r#" + mod foo { + mod bar { + trait Trait {} + struct Foo + where + T: Trait<{ + true + }> + { + foo: T, + } + + impl From for Foo + where + T: Trait<{ + true + }> + { + fn from(foo: T) -> Self { + Self { foo } + } + } + } + } + "#, + ); + } + + #[test] + fn generics() { + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo { + foo: T, + } + "#, + r#" + struct Foo { + foo: T, + } + + impl From for Foo { + fn from(foo: T) -> Self { + Self { foo } + } + } + "#, + ); + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo { + foo: T, + } + "#, + r#" + struct Foo { + foo: T, + } + + impl From for Foo { + fn from(foo: T) -> Self { + Self { foo } + } + } + "#, + ); + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo where T: Sync,{ + foo: T, + } + "#, + r#" + struct Foo where T: Sync,{ + foo: T, + } + + impl From for Foo + where T: Sync, + { + fn from(foo: T) -> Self { + Self { foo } + } + } + "#, + ); + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo where T: Sync { + foo: T, + } + "#, + r#" + struct Foo where T: Sync { + foo: T, + } + + impl From for Foo + where T: Sync + { + fn from(foo: T) -> Self { + Self { foo } + } + } + "#, + ); + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo where T: Sync, Self: Send { + foo: T, + } + "#, + r#" + struct Foo where T: Sync, Self: Send { + foo: T, + } + + impl From for Foo + where T: Sync, Self: Send + { + fn from(foo: T) -> Self { + Self { foo } + } + } + "#, + ); + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo + where T: Sync, Self: Send + { + foo: T, + } + "#, + r#" + struct Foo + where T: Sync, Self: Send + { + foo: T, + } + + impl From for Foo + where T: Sync, Self: Send + { + fn from(foo: T) -> Self { + Self { foo } + } + } + "#, + ); + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo + where T: Sync, Self: Send, + { + foo: T, + } + "#, + r#" + struct Foo + where T: Sync, Self: Send, + { + foo: T, + } + + impl From for Foo + where T: Sync, Self: Send, + { + fn from(foo: T) -> Self { + Self { foo } + } + } + "#, + ); + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo + where T: Sync, + Self: Send, + { + foo: T, + } + "#, + r#" + struct Foo + where T: Sync, + Self: Send, + { + foo: T, + } + + impl From for Foo + where T: Sync, + Self: Send, + { + fn from(foo: T) -> Self { + Self { foo } + } + } + "#, + ); + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo + where + T: Sync, + Self: Send, + { + foo: T, + } + "#, + r#" + struct Foo + where + T: Sync, + Self: Send, + { + foo: T, + } + + impl From for Foo + where + T: Sync, + Self: Send, + { + fn from(foo: T) -> Self { + Self { foo } + } + } + "#, + ); + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo + where + T: Sync, + Self: Send, + { + foo: T, + } + "#, + r#" + struct Foo + where + T: Sync, + Self: Send, + { + foo: T, + } + + impl From for Foo + where + T: Sync, + Self: Send, + { + fn from(foo: T) -> Self { + Self { foo } + } + } + "#, + ); + } + + #[test] + fn tuple() { + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo(i32); + "#, + r#" + struct Foo(i32); + + impl From for Foo { + fn from(value: i32) -> Self { + Self(value) + } + } + "#, + ); + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo(T); + "#, + r#" + struct Foo(T); + + impl From for Foo { + fn from(value: T) -> Self { + Self(value) + } + } + "#, + ); + } + + #[test] + fn trivial() { + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from, phantom_data + use core::marker::PhantomData; + struct $0Foo(i32, PhantomData); + "#, + r#" + use core::marker::PhantomData; + struct Foo(i32, PhantomData); + + impl From for Foo { + fn from(value: i32) -> Self { + Self(value, PhantomData) + } + } + "#, + ); + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from, phantom_data + use core::marker::PhantomData; + struct $0Foo(i32, PhantomData<()>); + "#, + r#" + use core::marker::PhantomData; + struct Foo(i32, PhantomData<()>); + + impl From for Foo { + fn from(value: i32) -> Self { + Self(value, PhantomData) + } + } + "#, + ); + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from, phantom_data + use core::marker::PhantomData; + struct $0Foo(PhantomData<()>, i32, PhantomData<()>); + "#, + r#" + use core::marker::PhantomData; + struct Foo(PhantomData<()>, i32, PhantomData<()>); + + impl From for Foo { + fn from(value: i32) -> Self { + Self(PhantomData, value, PhantomData) + } + } + "#, + ); + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from, phantom_data + use core::marker::PhantomData; + struct $0Foo(PhantomData, i32, PhantomData<()>); + "#, + r#" + use core::marker::PhantomData; + struct Foo(PhantomData, i32, PhantomData<()>); + + impl From for Foo { + fn from(value: i32) -> Self { + Self(PhantomData, value, PhantomData) + } + } + "#, + ); + } + + #[test] + fn unit() { + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo(i32, ()); + "#, + r#" + struct Foo(i32, ()); + + impl From for Foo { + fn from(value: i32) -> Self { + Self(value, ()) + } + } + "#, + ); + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo((), i32, ()); + "#, + r#" + struct Foo((), i32, ()); + + impl From for Foo { + fn from(value: i32) -> Self { + Self((), value, ()) + } + } + "#, + ); + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo((), (), i32, ()); + "#, + r#" + struct Foo((), (), i32, ()); + + impl From for Foo { + fn from(value: i32) -> Self { + Self((), (), value, ()) + } + } + "#, + ); + } + + #[test] + fn invalid_multiple_main_field() { + check_assist_not_applicable( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo(i32, i32); + "#, + ); + check_assist_not_applicable( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo(i32, T); + "#, + ); + check_assist_not_applicable( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo(T, T); + "#, + ); + check_assist_not_applicable( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo { foo: T, bar: i32 } + "#, + ); + check_assist_not_applicable( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo { foo: i32, bar: i64 } + "#, + ); + } + + #[test] + fn exists_other_from() { + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo(i32); + + impl From<&i32> for Foo { + fn from(value: &i32) -> Self { + todo!() + } + } + "#, + r#" + struct Foo(i32); + + impl From for Foo { + fn from(value: i32) -> Self { + Self(value) + } + } + + impl From<&i32> for Foo { + fn from(value: &i32) -> Self { + todo!() + } + } + "#, + ); + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo(i32); + + type X = i32; + + impl From<&X> for Foo { + fn from(value: &X) -> Self { + todo!() + } + } + "#, + r#" + struct Foo(i32); + + impl From for Foo { + fn from(value: i32) -> Self { + Self(value) + } + } + + type X = i32; + + impl From<&X> for Foo { + fn from(value: &X) -> Self { + todo!() + } + } + "#, + ); + } + + #[test] + fn exists_from() { + check_assist_not_applicable( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo(i32); + + impl From for Foo { + fn from(_: i32) -> Self { + todo!() + } + } + "#, + ); + check_assist_not_applicable( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo(i32); + + type X = i32; + + impl From for Foo { + fn from(_: X) -> Self { + todo!() + } + } + "#, + ); + } +} diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/lib.rs b/src/tools/rust-analyzer/crates/ide-assists/src/lib.rs index 2395091b6f2e..1f8826e7660c 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/lib.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/lib.rs @@ -171,6 +171,7 @@ mod handlers { mod generate_is_empty_from_len; mod generate_mut_trait_impl; mod generate_new; + mod generate_single_field_struct_from; mod generate_trait_from_impl; mod inline_call; mod inline_const_as_literal; @@ -304,6 +305,7 @@ mod handlers { generate_mut_trait_impl::generate_mut_trait_impl, generate_new::generate_new, generate_trait_from_impl::generate_trait_from_impl, + generate_single_field_struct_from::generate_single_field_struct_from, inline_call::inline_call, inline_call::inline_into_callers, inline_const_as_literal::inline_const_as_literal, diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/tests/generated.rs b/src/tools/rust-analyzer/crates/ide-assists/src/tests/generated.rs index 76134acb36eb..0b8b74ead037 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/tests/generated.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/tests/generated.rs @@ -1953,6 +1953,34 @@ impl Person { ) } +#[test] +fn doctest_generate_single_field_struct_from() { + check_doc_test( + "generate_single_field_struct_from", + r#####" +//- minicore: from, phantom_data +use core::marker::PhantomData; +struct $0Foo { + id: i32, + _phantom_data: PhantomData, +} +"#####, + r#####" +use core::marker::PhantomData; +struct Foo { + id: i32, + _phantom_data: PhantomData, +} + +impl From for Foo { + fn from(id: i32) -> Self { + Self { id, _phantom_data: PhantomData } + } +} +"#####, + ) +} + #[test] fn doctest_generate_trait_from_impl() { check_doc_test( diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/utils.rs b/src/tools/rust-analyzer/crates/ide-assists/src/utils.rs index ef6914fda1d5..e4ae4d183596 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/utils.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/utils.rs @@ -747,16 +747,23 @@ fn generate_impl_inner( .clone_for_update(); // Copy any cfg attrs from the original adt - let cfg_attrs = adt - .attrs() - .filter(|attr| attr.as_simple_call().map(|(name, _arg)| name == "cfg").unwrap_or(false)); - for attr in cfg_attrs { - impl_.add_attr(attr.clone_for_update()); - } + add_cfg_attrs_to(adt, &impl_); impl_ } +pub(crate) fn add_cfg_attrs_to(from: &T, to: &U) +where + T: HasAttrs, + U: AttrsOwnerEdit, +{ + let cfg_attrs = + from.attrs().filter(|attr| attr.as_simple_call().is_some_and(|(name, _arg)| name == "cfg")); + for attr in cfg_attrs { + to.add_attr(attr.clone_for_update()); + } +} + pub(crate) fn add_method_to_adt( builder: &mut SourceChangeBuilder, adt: &ast::Adt, From b9382e9ef1649222561b9031b07782fa07284467 Mon Sep 17 00:00:00 2001 From: sayantn Date: Thu, 5 Jun 2025 20:41:41 +0530 Subject: [PATCH 002/157] Implement `simd_round_ties_even` for miri, cg_clif and cg_gcc --- src/intrinsic/simd.rs | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/intrinsic/simd.rs b/src/intrinsic/simd.rs index 82ef0d0b13a4..18ba1ca3d77e 100644 --- a/src/intrinsic/simd.rs +++ b/src/intrinsic/simd.rs @@ -779,6 +779,7 @@ pub fn generic_simd_intrinsic<'a, 'gcc, 'tcx>( sym::simd_fsin => "sin", sym::simd_fsqrt => "sqrt", sym::simd_round => "round", + sym::simd_round_ties_even => "rint", sym::simd_trunc => "trunc", _ => return_error!(InvalidMonomorphization::UnrecognizedIntrinsic { span, name }), }; @@ -826,6 +827,7 @@ pub fn generic_simd_intrinsic<'a, 'gcc, 'tcx>( | sym::simd_fsin | sym::simd_fsqrt | sym::simd_round + | sym::simd_round_ties_even | sym::simd_trunc ) { return simd_simple_float_intrinsic(name, in_elem, in_ty, in_len, bx, span, args); From 6240a2b5b929dfd86c18c2c21e2c227ffd613efa Mon Sep 17 00:00:00 2001 From: Hayashi Mikihiro <34ttrweoewiwe28@gmail.com> Date: Fri, 27 Jun 2025 02:23:49 +0900 Subject: [PATCH 003/157] generate new for tuple field Signed-off-by: Hayashi Mikihiro <34ttrweoewiwe28@gmail.com> --- .../ide-assists/src/handlers/generate_new.rs | 359 ++++++++++++++++-- 1 file changed, 337 insertions(+), 22 deletions(-) diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_new.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_new.rs index 4837f92f9345..6bb993df5b71 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_new.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_new.rs @@ -35,10 +35,16 @@ use crate::{ pub(crate) fn generate_new(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option<()> { let strukt = ctx.find_node_at_offset::()?; - // We want to only apply this to non-union structs with named fields let field_list = match strukt.kind() { - StructKind::Record(named) => named, - _ => return None, + StructKind::Record(named) => { + named.fields().filter_map(|f| Some((f.name()?, f.ty()?))).collect::>() + } + StructKind::Tuple(tuple) => tuple + .fields() + .enumerate() + .filter_map(|(i, f)| Some((make::name(&format!("_{}", i)), f.ty()?))) + .collect::>(), + StructKind::Unit => return None, }; // Return early if we've found an existing new fn @@ -50,11 +56,9 @@ pub(crate) fn generate_new(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option let target = strukt.syntax().text_range(); acc.add(AssistId::generate("generate_new"), "Generate `new`", target, |builder| { let trivial_constructors = field_list - .fields() - .map(|f| { - let name = f.name()?; - - let ty = ctx.sema.resolve_type(&f.ty()?)?; + .iter() + .map(|(name, ty)| { + let ty = ctx.sema.resolve_type(ty)?; let item_in_ns = hir::ItemInNs::from(hir::ModuleDef::from(ty.as_adt()?)); @@ -73,34 +77,44 @@ pub(crate) fn generate_new(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option edition, )?; - Some(make::record_expr_field(make::name_ref(&name.text()), Some(expr))) + Some((make::name_ref(&name.text()), Some(expr))) }) .collect::>(); - let params = field_list.fields().enumerate().filter_map(|(i, f)| { + let params = field_list.iter().enumerate().filter_map(|(i, (name, ty))| { if trivial_constructors[i].is_none() { - let name = f.name()?; - let ty = f.ty()?; - - Some(make::param(make::ident_pat(false, false, name).into(), ty)) + Some(make::param(make::ident_pat(false, false, name.clone()).into(), ty.clone())) } else { None } }); let params = make::param_list(None, params); - let fields = field_list.fields().enumerate().filter_map(|(i, f)| { - let constructor = trivial_constructors[i].clone(); - if constructor.is_some() { + let fields = field_list.iter().enumerate().map(|(i, (name, _))| { + if let Some(constructor) = trivial_constructors[i].clone() { constructor } else { - Some(make::record_expr_field(make::name_ref(&f.name()?.text()), None)) + (make::name_ref(&name.text()), None) } }); - let fields = make::record_expr_field_list(fields); - let record_expr = make::record_expr(make::ext::ident_path("Self"), fields); - let body = make::block_expr(None, Some(record_expr.into())); + let tail_expr: ast::Expr = match strukt.kind() { + StructKind::Record(_) => { + let fields = fields.map(|(name, expr)| make::record_expr_field(name, expr)); + let fields = make::record_expr_field_list(fields); + make::record_expr(make::ext::ident_path("Self"), fields).into() + } + StructKind::Tuple(_) => { + let args = fields.map(|(arg, expr)| { + let arg = || make::expr_path(make::path_unqualified(make::path_segment(arg))); + expr.unwrap_or_else(arg) + }); + let arg_list = make::arg_list(args); + make::expr_call(make::expr_path(make::ext::ident_path("Self")), arg_list).into() + } + StructKind::Unit => unreachable!(), + }; + let body = make::block_expr(None, tail_expr.into()); let ret_type = make::ret_type(make::ty_path(make::ext::ident_path("Self"))); @@ -157,7 +171,7 @@ pub(crate) fn generate_new(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option } #[cfg(test)] -mod tests { +mod record_tests { use crate::tests::{check_assist, check_assist_not_applicable, check_assist_target}; use super::*; @@ -695,3 +709,304 @@ impl Source { ); } } + +#[cfg(test)] +mod tuple_tests { + use crate::tests::{check_assist, check_assist_not_applicable, check_assist_target}; + + use super::*; + + #[test] + fn test_generate_new_with_zst_fields() { + check_assist( + generate_new, + r#" +struct Empty; + +struct Foo(Empty$0); +"#, + r#" +struct Empty; + +struct Foo(Empty); + +impl Foo { + fn $0new() -> Self { + Self(Empty) + } +} +"#, + ); + check_assist( + generate_new, + r#" +struct Empty; + +struct Foo(String, Empty$0); +"#, + r#" +struct Empty; + +struct Foo(String, Empty); + +impl Foo { + fn $0new(_0: String) -> Self { + Self(_0, Empty) + } +} +"#, + ); + check_assist( + generate_new, + r#" +enum Empty { Bar } + +struct Foo(Empty$0); +"#, + r#" +enum Empty { Bar } + +struct Foo(Empty); + +impl Foo { + fn $0new() -> Self { + Self(Empty::Bar) + } +} +"#, + ); + + // make sure the assist only works on unit variants + check_assist( + generate_new, + r#" +struct Empty {} + +struct Foo(Empty$0); +"#, + r#" +struct Empty {} + +struct Foo(Empty); + +impl Foo { + fn $0new(_0: Empty) -> Self { + Self(_0) + } +} +"#, + ); + check_assist( + generate_new, + r#" +enum Empty { Bar {} } + +struct Foo(Empty$0); +"#, + r#" +enum Empty { Bar {} } + +struct Foo(Empty); + +impl Foo { + fn $0new(_0: Empty) -> Self { + Self(_0) + } +} +"#, + ); + } + + #[test] + fn test_generate_new() { + check_assist( + generate_new, + r#" +struct Foo($0); +"#, + r#" +struct Foo(); + +impl Foo { + fn $0new() -> Self { + Self() + } +} +"#, + ); + check_assist( + generate_new, + r#" +struct Foo($0); +"#, + r#" +struct Foo(); + +impl Foo { + fn $0new() -> Self { + Self() + } +} +"#, + ); + check_assist( + generate_new, + r#" +struct Foo<'a, T: Foo<'a>>($0); +"#, + r#" +struct Foo<'a, T: Foo<'a>>(); + +impl<'a, T: Foo<'a>> Foo<'a, T> { + fn $0new() -> Self { + Self() + } +} +"#, + ); + check_assist( + generate_new, + r#" +struct Foo(String$0); +"#, + r#" +struct Foo(String); + +impl Foo { + fn $0new(_0: String) -> Self { + Self(_0) + } +} +"#, + ); + check_assist( + generate_new, + r#" +struct Foo(String, Vec$0); +"#, + r#" +struct Foo(String, Vec); + +impl Foo { + fn $0new(_0: String, _1: Vec) -> Self { + Self(_0, _1) + } +} +"#, + ); + } + + #[test] + fn check_that_visibility_modifiers_dont_get_brought_in() { + check_assist( + generate_new, + r#" +struct Foo(pub String, pub Vec$0); +"#, + r#" +struct Foo(pub String, pub Vec); + +impl Foo { + fn $0new(_0: String, _1: Vec) -> Self { + Self(_0, _1) + } +} +"#, + ); + } + + #[test] + fn generate_new_not_applicable_if_fn_exists() { + check_assist_not_applicable( + generate_new, + r#" +struct Foo($0); + +impl Foo { + fn new() -> Self { + Self + } +} +"#, + ); + + check_assist_not_applicable( + generate_new, + r#" +struct Foo($0); + +impl Foo { + fn New() -> Self { + Self + } +} +"#, + ); + } + + #[test] + fn generate_new_target() { + check_assist_target( + generate_new, + r#" +struct SomeThingIrrelevant; +/// Has a lifetime parameter +struct Foo<'a, T: Foo<'a>>($0); +struct EvenMoreIrrelevant; +"#, + "/// Has a lifetime parameter +struct Foo<'a, T: Foo<'a>>();", + ); + } + + #[test] + fn test_unrelated_new() { + check_assist( + generate_new, + r#" +pub struct AstId { + file_id: HirFileId, + file_ast_id: FileAstId, +} + +impl AstId { + pub fn new(file_id: HirFileId, file_ast_id: FileAstId) -> AstId { + AstId { file_id, file_ast_id } + } +} + +pub struct Source(pub HirFileId,$0 pub T); + +impl Source { + pub fn map U, U>(self, f: F) -> Source { + Source(self.file_id, f(self.ast)) + } +} +"#, + r#" +pub struct AstId { + file_id: HirFileId, + file_ast_id: FileAstId, +} + +impl AstId { + pub fn new(file_id: HirFileId, file_ast_id: FileAstId) -> AstId { + AstId { file_id, file_ast_id } + } +} + +pub struct Source(pub HirFileId, pub T); + +impl Source { + pub fn $0new(_0: HirFileId, _1: T) -> Self { + Self(_0, _1) + } + + pub fn map U, U>(self, f: F) -> Source { + Source(self.file_id, f(self.ast)) + } +} +"#, + ); + } +} From 6759aacb29e99a7eed55fa87bbdf26d79a6ec172 Mon Sep 17 00:00:00 2001 From: Hayashi Mikihiro <34ttrweoewiwe28@gmail.com> Date: Fri, 27 Jun 2025 18:48:39 +0900 Subject: [PATCH 004/157] use name_generator Signed-off-by: Hayashi Mikihiro <34ttrweoewiwe28@gmail.com> --- .../ide-assists/src/handlers/generate_new.rs | 27 ++++++++++++++----- 1 file changed, 21 insertions(+), 6 deletions(-) diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_new.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_new.rs index 6bb993df5b71..74e75607b72a 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_new.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_new.rs @@ -1,5 +1,6 @@ use ide_db::{ - imports::import_assets::item_for_path_search, use_trivial_constructor::use_trivial_constructor, + imports::import_assets::item_for_path_search, syntax_helpers::suggest_name::NameGenerator, + use_trivial_constructor::use_trivial_constructor, }; use syntax::{ ast::{self, AstNode, HasName, HasVisibility, StructKind, edit_in_place::Indent, make}, @@ -39,11 +40,25 @@ pub(crate) fn generate_new(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option StructKind::Record(named) => { named.fields().filter_map(|f| Some((f.name()?, f.ty()?))).collect::>() } - StructKind::Tuple(tuple) => tuple - .fields() - .enumerate() - .filter_map(|(i, f)| Some((make::name(&format!("_{}", i)), f.ty()?))) - .collect::>(), + StructKind::Tuple(tuple) => { + let mut name_generator = NameGenerator::default(); + tuple + .fields() + .enumerate() + .filter_map(|(i, f)| { + let ty = f.ty()?; + let name = match name_generator.for_type( + &ctx.sema.resolve_type(&ty)?, + ctx.db(), + ctx.edition(), + ) { + Some(name) => name, + None => name_generator.suggest_name(&format!("_{i}")), + }; + Some((make::name(name.as_str()), f.ty()?)) + }) + .collect::>() + } StructKind::Unit => return None, }; From 08a36de7761cd0b4c82403efdebbda41a5528193 Mon Sep 17 00:00:00 2001 From: Hayashi Mikihiro <34ttrweoewiwe28@gmail.com> Date: Fri, 27 Jun 2025 18:49:08 +0900 Subject: [PATCH 005/157] use placeholder_snippet Signed-off-by: Hayashi Mikihiro <34ttrweoewiwe28@gmail.com> --- .../ide-assists/src/handlers/generate_new.rs | 61 ++++++++++++++----- 1 file changed, 46 insertions(+), 15 deletions(-) diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_new.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_new.rs index 74e75607b72a..51c2f65e0255 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_new.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_new.rs @@ -149,8 +149,35 @@ pub(crate) fn generate_new(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option .clone_for_update(); fn_.indent(1.into()); - // Add a tabstop before the name if let Some(cap) = ctx.config.snippet_cap { + match strukt.kind() { + StructKind::Tuple(_) => { + let struct_args = fn_ + .body() + .unwrap() + .syntax() + .descendants() + .filter(|it| syntax::ast::ArgList::can_cast(it.kind())) + .flat_map(|args| args.children()) + .filter(|it| syntax::ast::PathExpr::can_cast(it.kind())) + .enumerate() + .filter_map(|(i, node)| { + if trivial_constructors[i].is_none() { Some(node) } else { None } + }); + if let Some(fn_params) = fn_.param_list() { + for (struct_arg, fn_param) in struct_args.zip(fn_params.params()) { + if let Some(fn_pat) = fn_param.pat() { + let fn_pat = fn_pat.syntax().clone(); + builder + .add_placeholder_snippet_group(cap, vec![struct_arg, fn_pat]); + } + } + } + } + _ => {} + } + + // Add a tabstop before the name if let Some(name) = fn_.name() { builder.add_tabstop_before(cap, name); } @@ -765,8 +792,8 @@ struct Empty; struct Foo(String, Empty); impl Foo { - fn $0new(_0: String) -> Self { - Self(_0, Empty) + fn $0new(${1:_0}: String) -> Self { + Self(${1:_0}, Empty) } } "#, @@ -805,8 +832,8 @@ struct Empty {} struct Foo(Empty); impl Foo { - fn $0new(_0: Empty) -> Self { - Self(_0) + fn $0new(${1:empty}: Empty) -> Self { + Self(${1:empty}) } } "#, @@ -824,8 +851,8 @@ enum Empty { Bar {} } struct Foo(Empty); impl Foo { - fn $0new(_0: Empty) -> Self { - Self(_0) + fn $0new(${1:empty}: Empty) -> Self { + Self(${1:empty}) } } "#, @@ -888,8 +915,8 @@ struct Foo(String$0); struct Foo(String); impl Foo { - fn $0new(_0: String) -> Self { - Self(_0) + fn $0new(${1:_0}: String) -> Self { + Self(${1:_0}) } } "#, @@ -897,14 +924,16 @@ impl Foo { check_assist( generate_new, r#" +struct Vec { }; struct Foo(String, Vec$0); "#, r#" +struct Vec { }; struct Foo(String, Vec); impl Foo { - fn $0new(_0: String, _1: Vec) -> Self { - Self(_0, _1) + fn $0new(${1:_0}: String, ${2:items}: Vec) -> Self { + Self(${1:_0}, ${2:items}) } } "#, @@ -916,14 +945,16 @@ impl Foo { check_assist( generate_new, r#" +struct Vec { }; struct Foo(pub String, pub Vec$0); "#, r#" +struct Vec { }; struct Foo(pub String, pub Vec); impl Foo { - fn $0new(_0: String, _1: Vec) -> Self { - Self(_0, _1) + fn $0new(${1:_0}: String, ${2:items}: Vec) -> Self { + Self(${1:_0}, ${2:items}) } } "#, @@ -1013,8 +1044,8 @@ impl AstId { pub struct Source(pub HirFileId, pub T); impl Source { - pub fn $0new(_0: HirFileId, _1: T) -> Self { - Self(_0, _1) + pub fn $0new(${1:_0}: HirFileId, ${2:_1}: T) -> Self { + Self(${1:_0}, ${2:_1}) } pub fn map U, U>(self, f: F) -> Source { From 56af6625c8a1b5815b5628425c145d8e43e1ec26 Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Sat, 28 Jun 2025 23:37:08 +0200 Subject: [PATCH 006/157] Merge commit 'b7091eca6d8eb0fe88b58cc9a7aec405d8de5b85' into subtree-update_cg_gcc_2025-06-28 --- build_system/src/abi_test.rs | 65 +++++++++++++++++++ build_system/src/main.rs | 8 ++- build_system/src/test.rs | 9 +-- ...001-Pin-compiler_builtins-to-0.1.160.patch | 39 ----------- rust-toolchain | 2 +- src/builder.rs | 65 ++++++++++++------- src/common.rs | 13 ---- src/context.rs | 33 +++++----- src/debuginfo.rs | 6 +- src/declare.rs | 5 +- src/intrinsic/mod.rs | 21 +++--- tests/failing-ui-tests.txt | 1 + 12 files changed, 150 insertions(+), 117 deletions(-) create mode 100644 build_system/src/abi_test.rs delete mode 100644 patches/0001-Pin-compiler_builtins-to-0.1.160.patch diff --git a/build_system/src/abi_test.rs b/build_system/src/abi_test.rs new file mode 100644 index 000000000000..3c1531be27a5 --- /dev/null +++ b/build_system/src/abi_test.rs @@ -0,0 +1,65 @@ +use std::ffi::OsStr; +use std::path::Path; + +use crate::utils::run_command_with_output; + +fn show_usage() { + println!( + r#" +`abi-test` command help: + --help : Show this help"# + ); +} + +pub fn run() -> Result<(), String> { + let mut args = std::env::args().skip(2); + // FractalFir: In the future, I'd like to add some more subcommands / options. + // So, this loop ought to stay for that purpose. It should also stay as a while loop(to parse args) + #[allow(clippy::never_loop, clippy::while_let_on_iterator)] + while let Some(arg) = args.next() { + match arg.as_str() { + "--help" => { + show_usage(); + return Ok(()); + } + _ => return Err(format!("Unknown option {arg:?}")), + } + } + // Ensure that we have a cloned version of abi-cafe on hand. + crate::utils::git_clone( + "https://github.com/Gankra/abi-cafe.git", + Some("clones/abi-cafe".as_ref()), + true, + ) + .map_err(|err| (format!("Git clone failed with message: {err:?}!")))?; + // Configure abi-cafe to use the exact same rustc version we use - this is crucial. + // Otherwise, the concept of ABI compatibility becomes meanignless. + std::fs::copy("rust-toolchain", "clones/abi-cafe/rust-toolchain") + .expect("Could not copy toolchain configs!"); + // Get the backend path. + // We will use the *debug* build of the backend - it has more checks enabled. + let backend_path = std::path::absolute("target/debug/librustc_codegen_gcc.so").unwrap(); + let backend_arg = format!("--add-rustc-codegen-backend=cg_gcc:{}", backend_path.display()); + // Run ABI cafe using cargo. + let cmd: &[&dyn AsRef] = &[ + &"cargo", + &"run", + &"--release", + &"--", + &backend_arg, + // Test rust-LLVM to Rust-GCC calls + &"--pairs", + &"rustc_calls_cg_gcc", + &"--pairs", + &"cg_gcc_calls_rustc", + // Test Rust-GCC to C calls + &"--pairs", + &"cg_gcc_calls_c", + &"--pairs", + &"c_calls_cg_gcc", + ]; + // Run ABI cafe. + run_command_with_output(cmd, Some(Path::new("clones/abi-cafe")))?; + + Ok(()) +} diff --git a/build_system/src/main.rs b/build_system/src/main.rs index 078a4726ba80..ae975c94fff2 100644 --- a/build_system/src/main.rs +++ b/build_system/src/main.rs @@ -1,5 +1,6 @@ use std::{env, process}; +mod abi_test; mod build; mod clean; mod clone_gcc; @@ -12,7 +13,6 @@ mod rust_tools; mod rustc_info; mod test; mod utils; - const BUILD_DIR: &str = "build"; macro_rules! arg_error { @@ -44,7 +44,8 @@ Commands: info : Displays information about the build environment and project configuration. clone-gcc : Clones the GCC compiler from a specified source. fmt : Runs rustfmt - fuzz : Fuzzes `cg_gcc` using rustlantis" + fuzz : Fuzzes `cg_gcc` using rustlantis + abi-test : Runs the abi-cafe test suite on the codegen, checking for ABI compatibility with LLVM" ); } @@ -59,6 +60,7 @@ pub enum Command { Info, Fmt, Fuzz, + AbiTest, } fn main() { @@ -77,6 +79,7 @@ fn main() { Some("test") => Command::Test, Some("info") => Command::Info, Some("clone-gcc") => Command::CloneGcc, + Some("abi-test") => Command::AbiTest, Some("fmt") => Command::Fmt, Some("fuzz") => Command::Fuzz, Some("--help") => { @@ -102,6 +105,7 @@ fn main() { Command::CloneGcc => clone_gcc::run(), Command::Fmt => fmt::run(), Command::Fuzz => fuzz::run(), + Command::AbiTest => abi_test::run(), } { eprintln!("Command failed to run: {e}"); process::exit(1); diff --git a/build_system/src/test.rs b/build_system/src/test.rs index bcaab0fb526b..f1f31f83ca24 100644 --- a/build_system/src/test.rs +++ b/build_system/src/test.rs @@ -738,14 +738,7 @@ fn test_libcore(env: &Env, args: &TestArg) -> Result<(), String> { let path = get_sysroot_dir().join("sysroot_src/library/coretests"); let _ = remove_dir_all(path.join("target")); // TODO(antoyo): run in release mode when we fix the failures. - // TODO(antoyo): remove the --skip f16::test_total_cmp when this issue is fixed: - // https://github.com/rust-lang/rust/issues/141503 - run_cargo_command( - &[&"test", &"--", &"--skip", &"f16::test_total_cmp"], - Some(&path), - env, - args, - )?; + run_cargo_command(&[&"test"], Some(&path), env, args)?; Ok(()) } diff --git a/patches/0001-Pin-compiler_builtins-to-0.1.160.patch b/patches/0001-Pin-compiler_builtins-to-0.1.160.patch deleted file mode 100644 index 39266e081ede..000000000000 --- a/patches/0001-Pin-compiler_builtins-to-0.1.160.patch +++ /dev/null @@ -1,39 +0,0 @@ -From cdb3d407740e4f15c3746051f8ba89b8e74e99d3 Mon Sep 17 00:00:00 2001 -From: None -Date: Fri, 30 May 2025 13:46:22 -0400 -Subject: [PATCH] Pin compiler_builtins to 0.1.160 - ---- - library/alloc/Cargo.toml | 2 +- - library/std/Cargo.toml | 2 +- - 2 files changed, 2 insertions(+), 2 deletions(-) - -diff --git a/library/alloc/Cargo.toml b/library/alloc/Cargo.toml -index 9d0d957..365c9dc 100644 ---- a/library/alloc/Cargo.toml -+++ b/library/alloc/Cargo.toml -@@ -16,7 +16,7 @@ bench = false - - [dependencies] - core = { path = "../core", public = true } --compiler_builtins = { version = "=0.1.159", features = ['rustc-dep-of-std'] } -+compiler_builtins = { version = "=0.1.160", features = ['rustc-dep-of-std'] } - - [features] - compiler-builtins-mem = ['compiler_builtins/mem'] -diff --git a/library/std/Cargo.toml b/library/std/Cargo.toml -index 4ff4895..31371f0 100644 ---- a/library/std/Cargo.toml -+++ b/library/std/Cargo.toml -@@ -18,7 +18,7 @@ cfg-if = { version = "1.0", features = ['rustc-dep-of-std'] } - panic_unwind = { path = "../panic_unwind", optional = true } - panic_abort = { path = "../panic_abort" } - core = { path = "../core", public = true } --compiler_builtins = { version = "=0.1.159" } -+compiler_builtins = { version = "=0.1.160" } - unwind = { path = "../unwind" } - hashbrown = { version = "0.15", default-features = false, features = [ - 'rustc-dep-of-std', --- -2.49.0 - diff --git a/rust-toolchain b/rust-toolchain index bafe497a2a2a..8be204c15810 100644 --- a/rust-toolchain +++ b/rust-toolchain @@ -1,3 +1,3 @@ [toolchain] -channel = "nightly-2025-05-21" +channel = "nightly-2025-06-02" components = ["rust-src", "rustc-dev", "llvm-tools-preview"] diff --git a/src/builder.rs b/src/builder.rs index 7852aebe0c23..a4454cd9c734 100644 --- a/src/builder.rs +++ b/src/builder.rs @@ -520,8 +520,7 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> { self.block } - fn append_block(cx: &'a CodegenCx<'gcc, 'tcx>, func: RValue<'gcc>, name: &str) -> Block<'gcc> { - let func = cx.rvalue_as_function(func); + fn append_block(_: &'a CodegenCx<'gcc, 'tcx>, func: Function<'gcc>, name: &str) -> Block<'gcc> { func.new_block(name) } @@ -782,6 +781,7 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> { return self.context.new_call(self.location, fmod, &[a, b]); } TypeKind::FP128 => { + // TODO(antoyo): use get_simple_function_f128_2args. let f128_type = self.type_f128(); let fmodf128 = self.context.new_function( None, @@ -938,22 +938,36 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> { fn load(&mut self, pointee_ty: Type<'gcc>, ptr: RValue<'gcc>, align: Align) -> RValue<'gcc> { let block = self.llbb(); let function = block.get_function(); + // NOTE(FractalFir): In some cases, we *should* skip the call to get_aligned. + // For example, calling `get_aligned` on a i8 is pointless(since it can only be 1 aligned) + // Calling get_aligned on a `u128`/`i128` causes the attribute to become "stacked" + // + // From GCCs perspective: + // __int128_t __attribute__((aligned(16))) __attribute__((aligned(16))) + // and: + // __int128_t __attribute__((aligned(16))) + // are 2 distinct, incompatible types. + // + // So, we skip the call to `get_aligned` in such a case. *Ideally*, we could do this for all the types, + // but the GCC APIs to facilitate this just aren't quite there yet. + + // This checks that we only skip `get_aligned` on 128 bit ints if they have the correct alignment. + // Otherwise, this may be an under-aligned load, so we will still call get_aligned. + let mut can_skip_align = (pointee_ty == self.cx.u128_type + || pointee_ty == self.cx.i128_type) + && align == self.int128_align; + // We can skip the call to `get_aligned` for byte-sized types with alignment of 1. + can_skip_align = can_skip_align + || (pointee_ty == self.cx.u8_type || pointee_ty == self.cx.i8_type) + && align.bytes() == 1; + // Skip the call to `get_aligned` when possible. + let aligned_type = + if can_skip_align { pointee_ty } else { pointee_ty.get_aligned(align.bytes()) }; + + let ptr = self.context.new_cast(self.location, ptr, aligned_type.make_pointer()); // NOTE: instead of returning the dereference here, we have to assign it to a variable in // the current basic block. Otherwise, it could be used in another basic block, causing a // dereference after a drop, for instance. - // FIXME(antoyo): this check that we don't call get_aligned() a second time on a type. - // Ideally, we shouldn't need to do this check. - // FractalFir: the `align == self.int128_align` check ensures we *do* call `get_aligned` if - // the alignment of a `u128`/`i128` is not the one mandated by the ABI. This ensures we handle - // under-aligned loads correctly. - let aligned_type = if (pointee_ty == self.cx.u128_type || pointee_ty == self.cx.i128_type) - && align == self.int128_align - { - pointee_ty - } else { - pointee_ty.get_aligned(align.bytes()) - }; - let ptr = self.context.new_cast(self.location, ptr, aligned_type.make_pointer()); let deref = ptr.dereference(self.location).to_rvalue(); let loaded_value = function.new_local( self.location, @@ -1105,7 +1119,13 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> { // TODO(antoyo) } - fn store(&mut self, val: RValue<'gcc>, ptr: RValue<'gcc>, align: Align) -> RValue<'gcc> { + fn store(&mut self, mut val: RValue<'gcc>, ptr: RValue<'gcc>, align: Align) -> RValue<'gcc> { + if self.structs_as_pointer.borrow().contains(&val) { + // NOTE: hack to workaround a limitation of the rustc API: see comment on + // CodegenCx.structs_as_pointer + val = val.dereference(self.location).to_rvalue(); + } + self.store_with_flags(val, ptr, align, MemFlags::empty()) } @@ -1551,16 +1571,13 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> { aggregate_value } - fn set_personality_fn(&mut self, _personality: RValue<'gcc>) { + fn set_personality_fn(&mut self, _personality: Function<'gcc>) { #[cfg(feature = "master")] - { - let personality = self.rvalue_as_function(_personality); - self.current_func().set_personality_function(personality); - } + self.current_func().set_personality_function(_personality); } #[cfg(feature = "master")] - fn cleanup_landing_pad(&mut self, pers_fn: RValue<'gcc>) -> (RValue<'gcc>, RValue<'gcc>) { + fn cleanup_landing_pad(&mut self, pers_fn: Function<'gcc>) -> (RValue<'gcc>, RValue<'gcc>) { self.set_personality_fn(pers_fn); // NOTE: insert the current block in a variable so that a later call to invoke knows to @@ -1581,7 +1598,7 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> { } #[cfg(not(feature = "master"))] - fn cleanup_landing_pad(&mut self, _pers_fn: RValue<'gcc>) -> (RValue<'gcc>, RValue<'gcc>) { + fn cleanup_landing_pad(&mut self, _pers_fn: Function<'gcc>) -> (RValue<'gcc>, RValue<'gcc>) { let value1 = self .current_func() .new_local(self.location, self.u8_type.make_pointer(), "landing_pad0") @@ -1591,7 +1608,7 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> { (value1, value2) } - fn filter_landing_pad(&mut self, pers_fn: RValue<'gcc>) { + fn filter_landing_pad(&mut self, pers_fn: Function<'gcc>) -> (RValue<'gcc>, RValue<'gcc>) { // TODO(antoyo): generate the correct landing pad self.cleanup_landing_pad(pers_fn); } diff --git a/src/common.rs b/src/common.rs index 58ff2f1f8f06..fdd47821b515 100644 --- a/src/common.rs +++ b/src/common.rs @@ -234,19 +234,6 @@ impl<'gcc, 'tcx> ConstCodegenMethods for CodegenCx<'gcc, 'tcx> { match cv { Scalar::Int(int) => { let data = int.to_bits(layout.size(self)); - - // FIXME(antoyo): there's some issues with using the u128 code that follows, so hard-code - // the paths for floating-point values. - // TODO: Remove this code? - /*if ty == self.float_type { - return self - .context - .new_rvalue_from_double(ty, f32::from_bits(data as u32) as f64); - } - if ty == self.double_type { - return self.context.new_rvalue_from_double(ty, f64::from_bits(data as u64)); - }*/ - let value = self.const_uint_big(self.type_ix(bitsize), data); let bytesize = layout.size(self).bytes(); if bitsize > 1 && ty.is_integral() && bytesize as u32 == ty.get_size() { diff --git a/src/context.rs b/src/context.rs index ff141ad365bd..1d029811dfe9 100644 --- a/src/context.rs +++ b/src/context.rs @@ -118,14 +118,15 @@ pub struct CodegenCx<'gcc, 'tcx> { /// A counter that is used for generating local symbol names local_gen_sym_counter: Cell, - eh_personality: Cell>>, + eh_personality: Cell>>, #[cfg(feature = "master")] pub rust_try_fn: Cell, Function<'gcc>)>>, pub pointee_infos: RefCell, Size), Option>>, /// NOTE: a hack is used because the rustc API is not suitable to libgccjit and as such, - /// `const_undef()` returns struct as pointer so that they can later be assigned a value. + /// `const_undef()` returns struct as pointer so that they can later be assigned a value (in + /// e.g. Builder::insert_value). /// As such, this set remembers which of these pointers were returned by this function so that /// they can be dereferenced later. /// FIXME(antoyo): fix the rustc API to avoid having this hack. @@ -155,6 +156,13 @@ impl<'gcc, 'tcx> CodegenCx<'gcc, 'tcx> { .layout_of(ty::TypingEnv::fully_monomorphized().as_query_input(rust_type)) .unwrap(); let align = layout.align.abi.bytes(); + // For types with size 1, the alignment can be 1 and only 1 + // So, we can skip the call to ``get_aligned`. + // In the future, we can add a GCC API to query the type align, + // and call `get_aligned` if and only if that differs from Rust's expectations. + if layout.size.bytes() == 1 { + return context.new_c_type(ctype); + } #[cfg(feature = "master")] { context.new_c_type(ctype).get_aligned(align) @@ -373,8 +381,7 @@ impl<'gcc, 'tcx> CodegenCx<'gcc, 'tcx> { impl<'gcc, 'tcx> BackendTypes for CodegenCx<'gcc, 'tcx> { type Value = RValue<'gcc>; type Metadata = RValue<'gcc>; - // TODO(antoyo): change to Function<'gcc>. - type Function = RValue<'gcc>; + type Function = Function<'gcc>; type BasicBlock = Block<'gcc>; type Type = Type<'gcc>; @@ -392,11 +399,10 @@ impl<'gcc, 'tcx> MiscCodegenMethods<'tcx> for CodegenCx<'gcc, 'tcx> { &self.vtables } - fn get_fn(&self, instance: Instance<'tcx>) -> RValue<'gcc> { + fn get_fn(&self, instance: Instance<'tcx>) -> Function<'gcc> { let func = get_fn(self, instance); *self.current_func.borrow_mut() = Some(func); - // FIXME(antoyo): this is a wrong cast. That requires changing the compiler API. - unsafe { std::mem::transmute(func) } + func } fn get_fn_addr(&self, instance: Instance<'tcx>) -> RValue<'gcc> { @@ -420,7 +426,7 @@ impl<'gcc, 'tcx> MiscCodegenMethods<'tcx> for CodegenCx<'gcc, 'tcx> { ptr } - fn eh_personality(&self) -> RValue<'gcc> { + fn eh_personality(&self) -> Function<'gcc> { // The exception handling personality function. // // If our compilation unit has the `eh_personality` lang item somewhere @@ -458,9 +464,7 @@ impl<'gcc, 'tcx> MiscCodegenMethods<'tcx> for CodegenCx<'gcc, 'tcx> { let symbol_name = tcx.symbol_name(instance).name; let fn_abi = self.fn_abi_of_instance(instance, ty::List::empty()); self.linkage.set(FunctionType::Extern); - let func = self.declare_fn(symbol_name, fn_abi); - let func: RValue<'gcc> = unsafe { std::mem::transmute(func) }; - func + self.declare_fn(symbol_name, fn_abi) } _ => { let name = if wants_msvc_seh(self.sess()) { @@ -468,8 +472,7 @@ impl<'gcc, 'tcx> MiscCodegenMethods<'tcx> for CodegenCx<'gcc, 'tcx> { } else { "rust_eh_personality" }; - let func = self.declare_func(name, self.type_i32(), &[], true); - unsafe { std::mem::transmute::, RValue<'gcc>>(func) } + self.declare_func(name, self.type_i32(), &[], true) } }; // TODO(antoyo): apply target cpu attributes. @@ -481,11 +484,11 @@ impl<'gcc, 'tcx> MiscCodegenMethods<'tcx> for CodegenCx<'gcc, 'tcx> { self.tcx.sess } - fn set_frame_pointer_type(&self, _llfn: RValue<'gcc>) { + fn set_frame_pointer_type(&self, _llfn: Function<'gcc>) { // TODO(antoyo) } - fn apply_target_cpu_attr(&self, _llfn: RValue<'gcc>) { + fn apply_target_cpu_attr(&self, _llfn: Function<'gcc>) { // TODO(antoyo) } diff --git a/src/debuginfo.rs b/src/debuginfo.rs index 3a265fbc64f8..4c8585192a1b 100644 --- a/src/debuginfo.rs +++ b/src/debuginfo.rs @@ -1,7 +1,7 @@ use std::ops::Range; use std::sync::Arc; -use gccjit::{Location, RValue}; +use gccjit::{Function, Location, RValue}; use rustc_abi::Size; use rustc_codegen_ssa::mir::debuginfo::{DebugScope, FunctionDebugContext, VariableKind}; use rustc_codegen_ssa::traits::{DebugInfoBuilderMethods, DebugInfoCodegenMethods}; @@ -221,7 +221,7 @@ impl<'gcc, 'tcx> DebugInfoCodegenMethods<'tcx> for CodegenCx<'gcc, 'tcx> { &self, instance: Instance<'tcx>, fn_abi: &FnAbi<'tcx, Ty<'tcx>>, - llfn: RValue<'gcc>, + llfn: Function<'gcc>, mir: &mir::Body<'tcx>, ) -> Option> { if self.sess().opts.debuginfo == DebugInfo::None { @@ -272,7 +272,7 @@ impl<'gcc, 'tcx> DebugInfoCodegenMethods<'tcx> for CodegenCx<'gcc, 'tcx> { &self, _instance: Instance<'tcx>, _fn_abi: &FnAbi<'tcx, Ty<'tcx>>, - _maybe_definition_llfn: Option>, + _maybe_definition_llfn: Option>, ) -> Self::DIScope { // TODO(antoyo): implement. } diff --git a/src/declare.rs b/src/declare.rs index bed82073e2c4..691fd8729e39 100644 --- a/src/declare.rs +++ b/src/declare.rs @@ -94,7 +94,7 @@ impl<'gcc, 'tcx> CodegenCx<'gcc, 'tcx> { _fn_type: Type<'gcc>, #[cfg(feature = "master")] callconv: Option>, #[cfg(not(feature = "master"))] callconv: Option<()>, - ) -> RValue<'gcc> { + ) -> Function<'gcc> { // TODO(antoyo): use the fn_type parameter. let const_string = self.context.new_type::().make_pointer().make_pointer(); let return_type = self.type_i32(); @@ -111,8 +111,7 @@ impl<'gcc, 'tcx> CodegenCx<'gcc, 'tcx> { // NOTE: it is needed to set the current_func here as well, because get_fn() is not called // for the main function. *self.current_func.borrow_mut() = Some(func); - // FIXME(antoyo): this is a wrong cast. That requires changing the compiler API. - unsafe { std::mem::transmute(func) } + func } pub fn declare_fn(&self, name: &str, fn_abi: &FnAbi<'tcx, Ty<'tcx>>) -> Function<'gcc> { diff --git a/src/intrinsic/mod.rs b/src/intrinsic/mod.rs index 09132c34aae3..4c10380fe745 100644 --- a/src/intrinsic/mod.rs +++ b/src/intrinsic/mod.rs @@ -4,7 +4,9 @@ mod simd; #[cfg(feature = "master")] use std::iter; -use gccjit::{ComparisonOp, Function, FunctionType, RValue, ToRValue, Type, UnaryOp}; +#[cfg(feature = "master")] +use gccjit::Type; +use gccjit::{ComparisonOp, Function, FunctionType, RValue, ToRValue, UnaryOp}; #[cfg(feature = "master")] use rustc_abi::ExternAbi; use rustc_abi::{BackendRepr, HasDataLayout}; @@ -300,6 +302,8 @@ impl<'a, 'gcc, 'tcx> IntrinsicCallBuilderMethods<'tcx> for Builder<'a, 'gcc, 'tc let fn_args = instance.args; let simple = get_simple_intrinsic(self, name); + // TODO(antoyo): Only call get_simple_function_f128 and get_simple_function_f128_2args when + // it is the symbols for the supported f128 builtins. let simple_func = get_simple_function(self, name) .or_else(|| get_simple_function_f128(self, name)) .or_else(|| get_simple_function_f128_2args(self, name)); @@ -441,7 +445,7 @@ impl<'a, 'gcc, 'tcx> IntrinsicCallBuilderMethods<'tcx> for Builder<'a, 'gcc, 'tc match int_type_width_signed(args[0].layout.ty, self) { Some((width, signed)) => match name { sym::ctlz | sym::cttz => { - let func = self.current_func.borrow().expect("func"); + let func = self.current_func(); let then_block = func.new_block("then"); let else_block = func.new_block("else"); let after_block = func.new_block("after"); @@ -1109,7 +1113,7 @@ impl<'a, 'gcc, 'tcx> Builder<'a, 'gcc, 'tcx> { // for (int counter = 0; value != 0; counter++) { // value &= value - 1; // } - let func = self.current_func.borrow().expect("func"); + let func = self.current_func(); let loop_head = func.new_block("head"); let loop_body = func.new_block("body"); let loop_tail = func.new_block("tail"); @@ -1188,7 +1192,7 @@ impl<'a, 'gcc, 'tcx> Builder<'a, 'gcc, 'tcx> { let result_type = lhs.get_type(); if signed { // Based on algorithm from: https://stackoverflow.com/a/56531252/389119 - let func = self.current_func.borrow().expect("func"); + let func = self.current_func(); let res = func.new_local(self.location, result_type, "saturating_sum"); let supports_native_type = self.is_native_int_type(result_type); let overflow = if supports_native_type { @@ -1259,7 +1263,7 @@ impl<'a, 'gcc, 'tcx> Builder<'a, 'gcc, 'tcx> { let result_type = lhs.get_type(); if signed { // Based on algorithm from: https://stackoverflow.com/a/56531252/389119 - let func = self.current_func.borrow().expect("func"); + let func = self.current_func(); let res = func.new_local(self.location, result_type, "saturating_diff"); let supports_native_type = self.is_native_int_type(result_type); let overflow = if supports_native_type { @@ -1483,10 +1487,9 @@ fn gen_fn<'a, 'gcc, 'tcx>( // FIXME(eddyb) find a nicer way to do this. cx.linkage.set(FunctionType::Internal); let func = cx.declare_fn(name, fn_abi); - let func_val = unsafe { std::mem::transmute::, RValue<'gcc>>(func) }; - cx.set_frame_pointer_type(func_val); - cx.apply_target_cpu_attr(func_val); - let block = Builder::append_block(cx, func_val, "entry-block"); + cx.set_frame_pointer_type(func); + cx.apply_target_cpu_attr(func); + let block = Builder::append_block(cx, func, "entry-block"); let bx = Builder::build(cx, block); codegen(bx); (return_type, func) diff --git a/tests/failing-ui-tests.txt b/tests/failing-ui-tests.txt index d931f0d3b5eb..544d0bfc7105 100644 --- a/tests/failing-ui-tests.txt +++ b/tests/failing-ui-tests.txt @@ -9,6 +9,7 @@ tests/ui/iterators/iter-sum-overflow-debug.rs tests/ui/iterators/iter-sum-overflow-overflow-checks.rs tests/ui/mir/mir_drop_order.rs tests/ui/mir/mir_let_chains_drop_order.rs +tests/ui/mir/mir_match_guard_let_chains_drop_order.rs tests/ui/oom_unwind.rs tests/ui/panic-runtime/abort-link-to-unwinding-crates.rs tests/ui/panic-runtime/abort.rs From 5a29dddfdd47f1f37b6e6e38e77a4b0f94f007d6 Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Sat, 28 Jun 2025 23:50:00 +0200 Subject: [PATCH 007/157] Remove unwanted semi-colon in `rustc_codegen_gcc` --- src/builder.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/builder.rs b/src/builder.rs index a4454cd9c734..805f68cd74ce 100644 --- a/src/builder.rs +++ b/src/builder.rs @@ -1610,7 +1610,7 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> { fn filter_landing_pad(&mut self, pers_fn: Function<'gcc>) -> (RValue<'gcc>, RValue<'gcc>) { // TODO(antoyo): generate the correct landing pad - self.cleanup_landing_pad(pers_fn); + self.cleanup_landing_pad(pers_fn) } #[cfg(feature = "master")] From 2359b6bd91631d5d0489109743093056e149ed82 Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Sun, 29 Jun 2025 00:00:58 +0200 Subject: [PATCH 008/157] Fix signature of `filter_landing_pad` --- src/builder.rs | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/builder.rs b/src/builder.rs index 805f68cd74ce..7f16d804103d 100644 --- a/src/builder.rs +++ b/src/builder.rs @@ -1608,9 +1608,9 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> { (value1, value2) } - fn filter_landing_pad(&mut self, pers_fn: Function<'gcc>) -> (RValue<'gcc>, RValue<'gcc>) { + fn filter_landing_pad(&mut self, pers_fn: Function<'gcc>) -> () { // TODO(antoyo): generate the correct landing pad - self.cleanup_landing_pad(pers_fn) + self.cleanup_landing_pad(pers_fn); } #[cfg(feature = "master")] From 6e635990da9ceabfbd67d1d129e45879be97813d Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sat, 28 Jun 2025 15:20:33 +0200 Subject: [PATCH 009/157] give Pointer::into_parts a more scary name and offer a safer alternative --- src/common.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/common.rs b/src/common.rs index 58ff2f1f8f06..cc077059dba7 100644 --- a/src/common.rs +++ b/src/common.rs @@ -261,7 +261,7 @@ impl<'gcc, 'tcx> ConstCodegenMethods for CodegenCx<'gcc, 'tcx> { } } Scalar::Ptr(ptr, _size) => { - let (prov, offset) = ptr.into_parts(); // we know the `offset` is relative + let (prov, offset) = ptr.prov_and_relative_offset(); let alloc_id = prov.alloc_id(); let base_addr = match self.tcx.global_alloc(alloc_id) { GlobalAlloc::Memory(alloc) => { From a7715a44b8b48dc74c530d121ec50399f26d5e22 Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Sun, 29 Jun 2025 00:20:15 +0200 Subject: [PATCH 010/157] Remove `()` returned value --- src/builder.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/builder.rs b/src/builder.rs index 7f16d804103d..1fce547ad1b4 100644 --- a/src/builder.rs +++ b/src/builder.rs @@ -1608,7 +1608,7 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> { (value1, value2) } - fn filter_landing_pad(&mut self, pers_fn: Function<'gcc>) -> () { + fn filter_landing_pad(&mut self, pers_fn: Function<'gcc>) { // TODO(antoyo): generate the correct landing pad self.cleanup_landing_pad(pers_fn); } From f1d6f48e9133f73277e096ed667820e584d021eb Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Sat, 21 Jun 2025 11:26:27 +0000 Subject: [PATCH 011/157] Stop backends from needing to support nullary intrinsics --- example/mini_core_hello_world.rs | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/example/mini_core_hello_world.rs b/example/mini_core_hello_world.rs index c3bd62e5897c..6b6f71edaf8c 100644 --- a/example/mini_core_hello_world.rs +++ b/example/mini_core_hello_world.rs @@ -6,6 +6,7 @@ )] #![no_core] #![allow(dead_code, internal_features, non_camel_case_types)] +#![rustfmt::skip] extern crate mini_core; @@ -197,10 +198,10 @@ fn main() { assert_eq!(intrinsics::align_of::() as u8, 2); assert_eq!(intrinsics::align_of_val(&a) as u8, intrinsics::align_of::<&str>() as u8); - assert!(!intrinsics::needs_drop::()); - assert!(!intrinsics::needs_drop::<[u8]>()); - assert!(intrinsics::needs_drop::()); - assert!(intrinsics::needs_drop::()); + assert!(!const { intrinsics::needs_drop::() }); + assert!(!const { intrinsics::needs_drop::<[u8]>() }); + assert!(const { intrinsics::needs_drop::() }); + assert!(const { intrinsics::needs_drop::() }); Unique { pointer: 0 as *const &str, From 383dcd500722ec69292b6075462417e6c9fc03bf Mon Sep 17 00:00:00 2001 From: Young-Flash Date: Sat, 21 Jun 2025 15:44:52 +0800 Subject: [PATCH 012/157] feat: support folding multiline arg list & fn body in one folding range --- .../crates/ide/src/folding_ranges.rs | 29 ++++++++++++++++++- 1 file changed, 28 insertions(+), 1 deletion(-) diff --git a/src/tools/rust-analyzer/crates/ide/src/folding_ranges.rs b/src/tools/rust-analyzer/crates/ide/src/folding_ranges.rs index 9bd8504733a4..a9072773a1c9 100755 --- a/src/tools/rust-analyzer/crates/ide/src/folding_ranges.rs +++ b/src/tools/rust-analyzer/crates/ide/src/folding_ranges.rs @@ -47,6 +47,7 @@ pub(crate) fn folding_ranges(file: &SourceFile) -> Vec { let mut res = vec![]; let mut visited_comments = FxHashSet::default(); let mut visited_nodes = FxHashSet::default(); + let mut merged_fn_bodies = FxHashSet::default(); // regions can be nested, here is a LIFO buffer let mut region_starts: Vec = vec![]; @@ -59,6 +60,31 @@ pub(crate) fn folding_ranges(file: &SourceFile) -> Vec { NodeOrToken::Token(token) => token.text().contains('\n'), }; if is_multiline { + // for the arg list, we need to special handle + if matches!(element.kind(), ARG_LIST | PARAM_LIST) { + if let NodeOrToken::Node(node) = &element { + if let Some(fn_node) = node.parent().and_then(ast::Fn::cast) { + if let Some(body) = fn_node.body() { + // just add a big fold combine the params and body + res.push(Fold { + range: TextRange::new( + node.text_range().start(), + body.syntax().text_range().end(), + ), + kind: FoldKind::ArgList, + }); + merged_fn_bodies.insert(body.syntax().text_range()); + continue; + } + } + } + } + // skip the merged function body + if matches!(element.kind(), BLOCK_EXPR) + && merged_fn_bodies.contains(&element.text_range()) + { + continue; + } res.push(Fold { range: element.text_range(), kind }); continue; } @@ -291,6 +317,7 @@ mod tests { use super::*; + #[track_caller] fn check(#[rust_analyzer::rust_fixture] ra_fixture: &str) { let (ranges, text) = extract_tags(ra_fixture, "fold"); @@ -544,7 +571,7 @@ const _: S = S { fn foo( x: i32, y: String, -) {} +) {} "#, ) } From e0e21dd939dfde5549dccaa638a28710b8cf7ed4 Mon Sep 17 00:00:00 2001 From: Young-Flash Date: Mon, 30 Jun 2025 17:26:20 +0800 Subject: [PATCH 013/157] internal: add `FoldKind::Function` --- .../crates/ide/src/folding_ranges.rs | 28 +++++++++++-------- .../crates/rust-analyzer/src/lsp/to_proto.rs | 3 +- 2 files changed, 18 insertions(+), 13 deletions(-) diff --git a/src/tools/rust-analyzer/crates/ide/src/folding_ranges.rs b/src/tools/rust-analyzer/crates/ide/src/folding_ranges.rs index a9072773a1c9..7ac160dac2e1 100755 --- a/src/tools/rust-analyzer/crates/ide/src/folding_ranges.rs +++ b/src/tools/rust-analyzer/crates/ide/src/folding_ranges.rs @@ -23,6 +23,7 @@ pub enum FoldKind { WhereClause, ReturnType, MatchArm, + Function, // region: item runs Modules, Consts, @@ -60,18 +61,25 @@ pub(crate) fn folding_ranges(file: &SourceFile) -> Vec { NodeOrToken::Token(token) => token.text().contains('\n'), }; if is_multiline { - // for the arg list, we need to special handle - if matches!(element.kind(), ARG_LIST | PARAM_LIST) { + // for the func with multiline param list + if matches!(element.kind(), FN) { if let NodeOrToken::Node(node) = &element { - if let Some(fn_node) = node.parent().and_then(ast::Fn::cast) { + if let Some(fn_node) = ast::Fn::cast(node.clone()) { + if !fn_node + .param_list() + .map(|param_list| param_list.syntax().text().contains_char('\n')) + .unwrap_or(false) + { + continue; + } + if let Some(body) = fn_node.body() { - // just add a big fold combine the params and body res.push(Fold { range: TextRange::new( node.text_range().start(), - body.syntax().text_range().end(), + node.text_range().end(), ), - kind: FoldKind::ArgList, + kind: FoldKind::Function, }); merged_fn_bodies.insert(body.syntax().text_range()); continue; @@ -79,12 +87,6 @@ pub(crate) fn folding_ranges(file: &SourceFile) -> Vec { } } } - // skip the merged function body - if matches!(element.kind(), BLOCK_EXPR) - && merged_fn_bodies.contains(&element.text_range()) - { - continue; - } res.push(Fold { range: element.text_range(), kind }); continue; } @@ -178,6 +180,7 @@ fn fold_kind(kind: SyntaxKind) -> Option { ARG_LIST | PARAM_LIST | GENERIC_ARG_LIST | GENERIC_PARAM_LIST => Some(FoldKind::ArgList), ARRAY_EXPR => Some(FoldKind::Array), RET_TYPE => Some(FoldKind::ReturnType), + FN => Some(FoldKind::Function), WHERE_CLAUSE => Some(FoldKind::WhereClause), ASSOC_ITEM_LIST | RECORD_FIELD_LIST @@ -349,6 +352,7 @@ mod tests { FoldKind::WhereClause => "whereclause", FoldKind::ReturnType => "returntype", FoldKind::MatchArm => "matcharm", + FoldKind::Function => "function", FoldKind::TraitAliases => "traitaliases", FoldKind::ExternCrates => "externcrates", }; diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/lsp/to_proto.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/lsp/to_proto.rs index 8a848fb848cc..292be1d5315d 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/lsp/to_proto.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/lsp/to_proto.rs @@ -911,7 +911,8 @@ pub(crate) fn folding_range( | FoldKind::Array | FoldKind::TraitAliases | FoldKind::ExternCrates - | FoldKind::MatchArm => None, + | FoldKind::MatchArm + | FoldKind::Function => None, }; let range = range(line_index, fold.range); From 594252fdc4a3ec5a3db94df5a2f4697a63e61283 Mon Sep 17 00:00:00 2001 From: Young-Flash Date: Mon, 30 Jun 2025 17:27:07 +0800 Subject: [PATCH 014/157] test: add test case for func with multiline param list --- .../crates/ide/src/folding_ranges.rs | 21 +++++++++++++++++-- 1 file changed, 19 insertions(+), 2 deletions(-) diff --git a/src/tools/rust-analyzer/crates/ide/src/folding_ranges.rs b/src/tools/rust-analyzer/crates/ide/src/folding_ranges.rs index 7ac160dac2e1..c081796d078c 100755 --- a/src/tools/rust-analyzer/crates/ide/src/folding_ranges.rs +++ b/src/tools/rust-analyzer/crates/ide/src/folding_ranges.rs @@ -360,6 +360,23 @@ mod tests { } } + #[test] + fn test_fold_func_with_multiline_param_list() { + check( + r#" +fn func( + a: i32, + b: i32, + c: i32, +) { + + + +} +"#, + ); + } + #[test] fn test_fold_comments() { check( @@ -572,10 +589,10 @@ const _: S = S { fn fold_multiline_params() { check( r#" -fn foo( +fn foo( x: i32, y: String, -) {} +) {} "#, ) } From 609a8abaabb1de574ba07f23ef5de9e6db5fb68a Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Mon, 30 Jun 2025 16:12:42 +0200 Subject: [PATCH 015/157] Merge commit '4b5c44b14166083eef8d71f15f5ea1f53fc976a0' into subtree-update_cg_gcc_2025-06-30 --- build_system/build_sysroot/Cargo.toml | 1 + build_system/src/test.rs | 28 +--- ...karound-to-make-a-run-make-test-pass.patch | 25 ---- rust-toolchain | 2 +- src/abi.rs | 4 +- src/builder.rs | 46 ++----- src/common.rs | 10 +- src/context.rs | 9 -- src/intrinsic/archs.rs | 124 ++++++++++-------- src/intrinsic/llvm.rs | 37 ++++++ src/intrinsic/mod.rs | 4 +- tools/generate_intrinsics.py | 12 +- 12 files changed, 131 insertions(+), 171 deletions(-) delete mode 100644 patches/tests/0001-Workaround-to-make-a-run-make-test-pass.patch diff --git a/build_system/build_sysroot/Cargo.toml b/build_system/build_sysroot/Cargo.toml index 931f6097abc2..29a3bcec304c 100644 --- a/build_system/build_sysroot/Cargo.toml +++ b/build_system/build_sysroot/Cargo.toml @@ -6,6 +6,7 @@ resolver = "2" [dependencies] core = { path = "./sysroot_src/library/core" } +compiler_builtins = { path = "./sysroot_src/library/compiler-builtins/compiler-builtins" } alloc = { path = "./sysroot_src/library/alloc" } std = { path = "./sysroot_src/library/std", features = ["panic_unwind", "backtrace"] } test = { path = "./sysroot_src/library/test" } diff --git a/build_system/src/test.rs b/build_system/src/test.rs index f1f31f83ca24..cbb0f9493838 100644 --- a/build_system/src/test.rs +++ b/build_system/src/test.rs @@ -9,8 +9,8 @@ use crate::build; use crate::config::{Channel, ConfigInfo}; use crate::utils::{ create_dir, get_sysroot_dir, get_toolchain, git_clone, git_clone_root_dir, remove_file, - run_command, run_command_with_env, run_command_with_output, run_command_with_output_and_env, - rustc_version_info, split_args, walk_dir, + run_command, run_command_with_env, run_command_with_output_and_env, rustc_version_info, + split_args, walk_dir, }; type Env = HashMap; @@ -485,30 +485,6 @@ fn setup_rustc(env: &mut Env, args: &TestArg) -> Result { run_command_with_output_and_env(&[&"git", &"checkout"], rust_dir, Some(env))?; } - let mut patches = Vec::new(); - walk_dir( - "patches/tests", - &mut |_| Ok(()), - &mut |file_path: &Path| { - patches.push(file_path.to_path_buf()); - Ok(()) - }, - false, - )?; - patches.sort(); - // TODO: remove duplication with prepare.rs by creating a apply_patch function in the utils - // module. - for file_path in patches { - println!("[GIT] apply `{}`", file_path.display()); - let path = Path::new("../..").join(file_path); - run_command_with_output(&[&"git", &"apply", &path], rust_dir)?; - run_command_with_output(&[&"git", &"add", &"-A"], rust_dir)?; - run_command_with_output( - &[&"git", &"commit", &"--no-gpg-sign", &"-m", &format!("Patch {}", path.display())], - rust_dir, - )?; - } - let cargo = String::from_utf8( run_command_with_env(&[&"rustup", &"which", &"cargo"], rust_dir, Some(env))?.stdout, ) diff --git a/patches/tests/0001-Workaround-to-make-a-run-make-test-pass.patch b/patches/tests/0001-Workaround-to-make-a-run-make-test-pass.patch deleted file mode 100644 index a329d09a95e5..000000000000 --- a/patches/tests/0001-Workaround-to-make-a-run-make-test-pass.patch +++ /dev/null @@ -1,25 +0,0 @@ -From a131c69e54b5c02fe3b517e8f3ad23d4f784ffc8 Mon Sep 17 00:00:00 2001 -From: Antoni Boucher -Date: Fri, 13 Jun 2025 20:25:33 -0400 -Subject: [PATCH] Workaround to make a run-make test pass - ---- - tests/run-make/linker-warning/rmake.rs | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) - -diff --git a/tests/run-make/linker-warning/rmake.rs b/tests/run-make/linker-warning/rmake.rs -index bc21739fefc..0946a7e2a48 100644 ---- a/tests/run-make/linker-warning/rmake.rs -+++ b/tests/run-make/linker-warning/rmake.rs -@@ -55,7 +55,7 @@ fn main() { - diff() - .expected_file("short-error.txt") - .actual_text("(linker error)", out.stderr()) -- .normalize(r#"/rustc[^/]*/"#, "/rustc/") -+ .normalize(r#"/tmp/rustc[^/]*/"#, "/tmp/rustc/") - .normalize( - regex::escape(run_make_support::build_root().to_str().unwrap()), - "/build-root", --- -2.49.0 - diff --git a/rust-toolchain b/rust-toolchain index 8be204c15810..bccbc6cd2c5c 100644 --- a/rust-toolchain +++ b/rust-toolchain @@ -1,3 +1,3 @@ [toolchain] -channel = "nightly-2025-06-02" +channel = "nightly-2025-06-28" components = ["rust-src", "rustc-dev", "llvm-tools-preview"] diff --git a/src/abi.rs b/src/abi.rs index 08f3d2819040..0b359f1c5c81 100644 --- a/src/abi.rs +++ b/src/abi.rs @@ -1,7 +1,9 @@ #[cfg(feature = "master")] use gccjit::FnAttribute; use gccjit::{ToLValue, ToRValue, Type}; -use rustc_abi::{ArmCall, CanonAbi, InterruptKind, Reg, RegKind, X86Call}; +#[cfg(feature = "master")] +use rustc_abi::{ArmCall, CanonAbi, InterruptKind, X86Call}; +use rustc_abi::{Reg, RegKind}; use rustc_codegen_ssa::traits::{AbiBuilderMethods, BaseTypeCodegenMethods}; use rustc_data_structures::fx::FxHashSet; use rustc_middle::bug; diff --git a/src/builder.rs b/src/builder.rs index 1fce547ad1b4..b1785af444a1 100644 --- a/src/builder.rs +++ b/src/builder.rs @@ -538,11 +538,6 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> { } fn ret(&mut self, mut value: RValue<'gcc>) { - if self.structs_as_pointer.borrow().contains(&value) { - // NOTE: hack to workaround a limitation of the rustc API: see comment on - // CodegenCx.structs_as_pointer - value = value.dereference(self.location).to_rvalue(); - } let expected_return_type = self.current_func().get_return_type(); if !expected_return_type.is_compatible_with(value.get_type()) { // NOTE: due to opaque pointers now being used, we need to cast here. @@ -700,7 +695,7 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> { let a = self.gcc_int_cast(a, a_type); let b_type = b.get_type().to_unsigned(self); let b = self.gcc_int_cast(b, b_type); - a / b + self.gcc_udiv(a, b) } fn sdiv(&mut self, a: RValue<'gcc>, b: RValue<'gcc>) -> RValue<'gcc> { @@ -712,8 +707,8 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> { // FIXME(antoyo): rustc_codegen_ssa::mir::intrinsic uses different types for a and b but they // should be the same. let typ = a.get_type().to_signed(self); - let b = self.context.new_cast(self.location, b, typ); - a / b + let b = self.gcc_int_cast(b, typ); + self.gcc_sdiv(a, b) } fn fdiv(&mut self, a: RValue<'gcc>, b: RValue<'gcc>) -> RValue<'gcc> { @@ -1119,13 +1114,7 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> { // TODO(antoyo) } - fn store(&mut self, mut val: RValue<'gcc>, ptr: RValue<'gcc>, align: Align) -> RValue<'gcc> { - if self.structs_as_pointer.borrow().contains(&val) { - // NOTE: hack to workaround a limitation of the rustc API: see comment on - // CodegenCx.structs_as_pointer - val = val.dereference(self.location).to_rvalue(); - } - + fn store(&mut self, val: RValue<'gcc>, ptr: RValue<'gcc>, align: Align) -> RValue<'gcc> { self.store_with_flags(val, ptr, align, MemFlags::empty()) } @@ -1508,16 +1497,6 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> { element.get_address(self.location) } else if value_type.dyncast_vector().is_some() { panic!(); - } else if let Some(pointer_type) = value_type.get_pointee() { - if let Some(struct_type) = pointer_type.is_struct() { - // NOTE: hack to workaround a limitation of the rustc API: see comment on - // CodegenCx.structs_as_pointer - aggregate_value - .dereference_field(self.location, struct_type.get_field(idx as i32)) - .to_rvalue() - } else { - panic!("Unexpected type {:?}", value_type); - } } else if let Some(struct_type) = value_type.is_struct() { aggregate_value .access_field(self.location, struct_type.get_field(idx as i32)) @@ -1537,21 +1516,18 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> { assert_eq!(idx as usize as u64, idx); let value_type = aggregate_value.get_type(); + let new_val = self.current_func().new_local(None, value_type, "aggregate_value"); + self.block.add_assignment(None, new_val, aggregate_value); + let lvalue = if value_type.dyncast_array().is_some() { let index = self .context .new_rvalue_from_long(self.u64_type, i64::try_from(idx).expect("i64::try_from")); - self.context.new_array_access(self.location, aggregate_value, index) + self.context.new_array_access(self.location, new_val, index) } else if value_type.dyncast_vector().is_some() { panic!(); - } else if let Some(pointer_type) = value_type.get_pointee() { - if let Some(struct_type) = pointer_type.is_struct() { - // NOTE: hack to workaround a limitation of the rustc API: see comment on - // CodegenCx.structs_as_pointer - aggregate_value.dereference_field(self.location, struct_type.get_field(idx as i32)) - } else { - panic!("Unexpected type {:?}", value_type); - } + } else if let Some(struct_type) = value_type.is_struct() { + new_val.access_field(None, struct_type.get_field(idx as i32)) } else { panic!("Unexpected type {:?}", value_type); }; @@ -1568,7 +1544,7 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> { self.llbb().add_assignment(self.location, lvalue, value); - aggregate_value + new_val.to_rvalue() } fn set_personality_fn(&mut self, _personality: Function<'gcc>) { diff --git a/src/common.rs b/src/common.rs index fdd47821b515..38348a48e475 100644 --- a/src/common.rs +++ b/src/common.rs @@ -117,15 +117,7 @@ impl<'gcc, 'tcx> ConstCodegenMethods for CodegenCx<'gcc, 'tcx> { fn const_undef(&self, typ: Type<'gcc>) -> RValue<'gcc> { let local = self.current_func.borrow().expect("func").new_local(None, typ, "undefined"); - if typ.is_struct().is_some() { - // NOTE: hack to workaround a limitation of the rustc API: see comment on - // CodegenCx.structs_as_pointer - let pointer = local.get_address(None); - self.structs_as_pointer.borrow_mut().insert(pointer); - pointer - } else { - local.to_rvalue() - } + local.to_rvalue() } fn const_poison(&self, typ: Type<'gcc>) -> RValue<'gcc> { diff --git a/src/context.rs b/src/context.rs index 1d029811dfe9..665cf22ddbae 100644 --- a/src/context.rs +++ b/src/context.rs @@ -124,14 +124,6 @@ pub struct CodegenCx<'gcc, 'tcx> { pub pointee_infos: RefCell, Size), Option>>, - /// NOTE: a hack is used because the rustc API is not suitable to libgccjit and as such, - /// `const_undef()` returns struct as pointer so that they can later be assigned a value (in - /// e.g. Builder::insert_value). - /// As such, this set remembers which of these pointers were returned by this function so that - /// they can be dereferenced later. - /// FIXME(antoyo): fix the rustc API to avoid having this hack. - pub structs_as_pointer: RefCell>>, - #[cfg(feature = "master")] pub cleanup_blocks: RefCell>>, /// The alignment of a u128/i128 type. @@ -304,7 +296,6 @@ impl<'gcc, 'tcx> CodegenCx<'gcc, 'tcx> { #[cfg(feature = "master")] rust_try_fn: Cell::new(None), pointee_infos: Default::default(), - structs_as_pointer: Default::default(), #[cfg(feature = "master")] cleanup_blocks: Default::default(), }; diff --git a/src/intrinsic/archs.rs b/src/intrinsic/archs.rs index f0352c5e6e5d..915ed875e32f 100644 --- a/src/intrinsic/archs.rs +++ b/src/intrinsic/archs.rs @@ -1,9 +1,9 @@ // File generated by `rustc_codegen_gcc/tools/generate_intrinsics.py` // DO NOT EDIT IT! /// Translate a given LLVM intrinsic name to an equivalent GCC one. -fn map_arch_intrinsic(name: &str) -> &str { - let Some(name) = name.strip_prefix("llvm.") else { - unimplemented!("***** unsupported LLVM intrinsic {}", name) +fn map_arch_intrinsic(full_name: &str) -> &'static str { + let Some(name) = full_name.strip_prefix("llvm.") else { + unimplemented!("***** unsupported LLVM intrinsic {}", full_name) }; let Some((arch, name)) = name.split_once('.') else { unimplemented!("***** unsupported LLVM intrinsic {}", name) @@ -11,7 +11,7 @@ fn map_arch_intrinsic(name: &str) -> &str { match arch { "AMDGPU" => { #[allow(non_snake_case)] - fn AMDGPU(name: &str) -> &str { + fn AMDGPU(name: &str, full_name: &str) -> &'static str { match name { // AMDGPU "div.fixup.f32" => "__builtin_amdgpu_div_fixup", @@ -42,14 +42,14 @@ fn map_arch_intrinsic(name: &str) -> &str { "trig.preop.f64" => "__builtin_amdgpu_trig_preop", "trig.preop.v2f64" => "__builtin_amdgpu_trig_preop", "trig.preop.v4f32" => "__builtin_amdgpu_trig_preop", - _ => unimplemented!("***** unsupported LLVM intrinsic {}", name), + _ => unimplemented!("***** unsupported LLVM intrinsic {full_name}"), } } - AMDGPU(name) + AMDGPU(name, full_name) } "aarch64" => { #[allow(non_snake_case)] - fn aarch64(name: &str) -> &str { + fn aarch64(name: &str, full_name: &str) -> &'static str { match name { // aarch64 "chkfeat" => "__builtin_arm_chkfeat", @@ -75,14 +75,14 @@ fn map_arch_intrinsic(name: &str) -> &str { "tcommit" => "__builtin_arm_tcommit", "tstart" => "__builtin_arm_tstart", "ttest" => "__builtin_arm_ttest", - _ => unimplemented!("***** unsupported LLVM intrinsic {}", name), + _ => unimplemented!("***** unsupported LLVM intrinsic {full_name}"), } } - aarch64(name) + aarch64(name, full_name) } "amdgcn" => { #[allow(non_snake_case)] - fn amdgcn(name: &str) -> &str { + fn amdgcn(name: &str, full_name: &str) -> &'static str { match name { // amdgcn "alignbyte" => "__builtin_amdgcn_alignbyte", @@ -99,6 +99,8 @@ fn map_arch_intrinsic(name: &str) -> &str { "cvt.f32.fp8" => "__builtin_amdgcn_cvt_f32_fp8", "cvt.off.f32.i4" => "__builtin_amdgcn_cvt_off_f32_i4", "cvt.pk.bf8.f32" => "__builtin_amdgcn_cvt_pk_bf8_f32", + "cvt.pk.f16.bf8" => "__builtin_amdgcn_cvt_pk_f16_bf8", + "cvt.pk.f16.fp8" => "__builtin_amdgcn_cvt_pk_f16_fp8", "cvt.pk.f32.bf8" => "__builtin_amdgcn_cvt_pk_f32_bf8", "cvt.pk.f32.fp8" => "__builtin_amdgcn_cvt_pk_f32_fp8", "cvt.pk.fp8.f32" => "__builtin_amdgcn_cvt_pk_fp8_f32", @@ -292,6 +294,7 @@ fn map_arch_intrinsic(name: &str) -> &str { "s.sendmsg" => "__builtin_amdgcn_s_sendmsg", "s.sendmsghalt" => "__builtin_amdgcn_s_sendmsghalt", "s.setprio" => "__builtin_amdgcn_s_setprio", + "s.setprio.inc.wg" => "__builtin_amdgcn_s_setprio_inc_wg", "s.setreg" => "__builtin_amdgcn_s_setreg", "s.sleep" => "__builtin_amdgcn_s_sleep", "s.sleep.var" => "__builtin_amdgcn_s_sleep_var", @@ -356,14 +359,14 @@ fn map_arch_intrinsic(name: &str) -> &str { "workitem.id.x" => "__builtin_amdgcn_workitem_id_x", "workitem.id.y" => "__builtin_amdgcn_workitem_id_y", "workitem.id.z" => "__builtin_amdgcn_workitem_id_z", - _ => unimplemented!("***** unsupported LLVM intrinsic {}", name), + _ => unimplemented!("***** unsupported LLVM intrinsic {full_name}"), } } - amdgcn(name) + amdgcn(name, full_name) } "arm" => { #[allow(non_snake_case)] - fn arm(name: &str) -> &str { + fn arm(name: &str, full_name: &str) -> &'static str { match name { // arm "cdp" => "__builtin_arm_cdp", @@ -465,14 +468,14 @@ fn map_arch_intrinsic(name: &str) -> &str { "usub8" => "__builtin_arm_usub8", "uxtab16" => "__builtin_arm_uxtab16", "uxtb16" => "__builtin_arm_uxtb16", - _ => unimplemented!("***** unsupported LLVM intrinsic {}", name), + _ => unimplemented!("***** unsupported LLVM intrinsic {full_name}"), } } - arm(name) + arm(name, full_name) } "bpf" => { #[allow(non_snake_case)] - fn bpf(name: &str) -> &str { + fn bpf(name: &str, full_name: &str) -> &'static str { match name { // bpf "btf.type.id" => "__builtin_bpf_btf_type_id", @@ -487,25 +490,25 @@ fn map_arch_intrinsic(name: &str) -> &str { "preserve.field.info" => "__builtin_bpf_preserve_field_info", "preserve.type.info" => "__builtin_bpf_preserve_type_info", "pseudo" => "__builtin_bpf_pseudo", - _ => unimplemented!("***** unsupported LLVM intrinsic {}", name), + _ => unimplemented!("***** unsupported LLVM intrinsic {full_name}"), } } - bpf(name) + bpf(name, full_name) } "cuda" => { #[allow(non_snake_case)] - fn cuda(name: &str) -> &str { + fn cuda(name: &str, full_name: &str) -> &'static str { match name { // cuda "syncthreads" => "__syncthreads", - _ => unimplemented!("***** unsupported LLVM intrinsic {}", name), + _ => unimplemented!("***** unsupported LLVM intrinsic {full_name}"), } } - cuda(name) + cuda(name, full_name) } "hexagon" => { #[allow(non_snake_case)] - fn hexagon(name: &str) -> &str { + fn hexagon(name: &str, full_name: &str) -> &'static str { match name { // hexagon "A2.abs" => "__builtin_HEXAGON_A2_abs", @@ -2479,14 +2482,14 @@ fn map_arch_intrinsic(name: &str) -> &str { "prefetch" => "__builtin_HEXAGON_prefetch", "vmemcpy" => "__builtin_hexagon_vmemcpy", "vmemset" => "__builtin_hexagon_vmemset", - _ => unimplemented!("***** unsupported LLVM intrinsic {}", name), + _ => unimplemented!("***** unsupported LLVM intrinsic {full_name}"), } } - hexagon(name) + hexagon(name, full_name) } "loongarch" => { #[allow(non_snake_case)] - fn loongarch(name: &str) -> &str { + fn loongarch(name: &str, full_name: &str) -> &'static str { match name { // loongarch "asrtgt.d" => "__builtin_loongarch_asrtgt_d", @@ -3988,14 +3991,14 @@ fn map_arch_intrinsic(name: &str) -> &str { "movfcsr2gr" => "__builtin_loongarch_movfcsr2gr", "movgr2fcsr" => "__builtin_loongarch_movgr2fcsr", "syscall" => "__builtin_loongarch_syscall", - _ => unimplemented!("***** unsupported LLVM intrinsic {}", name), + _ => unimplemented!("***** unsupported LLVM intrinsic {full_name}"), } } - loongarch(name) + loongarch(name, full_name) } "mips" => { #[allow(non_snake_case)] - fn mips(name: &str) -> &str { + fn mips(name: &str, full_name: &str) -> &'static str { match name { // mips "absq.s.ph" => "__builtin_mips_absq_s_ph", @@ -4669,14 +4672,14 @@ fn map_arch_intrinsic(name: &str) -> &str { "wrdsp" => "__builtin_mips_wrdsp", "xor.v" => "__builtin_msa_xor_v", "xori.b" => "__builtin_msa_xori_b", - _ => unimplemented!("***** unsupported LLVM intrinsic {}", name), + _ => unimplemented!("***** unsupported LLVM intrinsic {full_name}"), } } - mips(name) + mips(name, full_name) } "nvvm" => { #[allow(non_snake_case)] - fn nvvm(name: &str) -> &str { + fn nvvm(name: &str, full_name: &str) -> &'static str { match name { // nvvm "abs.i" => "__nvvm_abs_i", @@ -5024,6 +5027,7 @@ fn map_arch_intrinsic(name: &str) -> &str { "nanosleep" => "__nvvm_nanosleep", "neg.bf16" => "__nvvm_neg_bf16", "neg.bf16x2" => "__nvvm_neg_bf16x2", + "pm.event.mask" => "__nvvm_pm_event_mask", "popc.i" => "__nvvm_popc_i", "popc.ll" => "__nvvm_popc_ll", "prmt" => "__nvvm_prmt", @@ -5448,14 +5452,14 @@ fn map_arch_intrinsic(name: &str) -> &str { "vote.ballot.sync" => "__nvvm_vote_ballot_sync", "vote.uni" => "__nvvm_vote_uni", "vote.uni.sync" => "__nvvm_vote_uni_sync", - _ => unimplemented!("***** unsupported LLVM intrinsic {}", name), + _ => unimplemented!("***** unsupported LLVM intrinsic {full_name}"), } } - nvvm(name) + nvvm(name, full_name) } "ppc" => { #[allow(non_snake_case)] - fn ppc(name: &str) -> &str { + fn ppc(name: &str, full_name: &str) -> &'static str { match name { // ppc "addex" => "__builtin_ppc_addex", @@ -5842,7 +5846,10 @@ fn map_arch_intrinsic(name: &str) -> &str { "mulhdu" => "__builtin_ppc_mulhdu", "mulhw" => "__builtin_ppc_mulhw", "mulhwu" => "__builtin_ppc_mulhwu", + "national2packed" => "__builtin_ppc_national2packed", "pack.longdouble" => "__builtin_pack_longdouble", + "packed2national" => "__builtin_ppc_packed2national", + "packed2zoned" => "__builtin_ppc_packed2zoned", "pdepd" => "__builtin_pdepd", "pextd" => "__builtin_pextd", "qpx.qvfabs" => "__builtin_qpx_qvfabs", @@ -6035,14 +6042,15 @@ fn map_arch_intrinsic(name: &str) -> &str { "vsx.xxinsertw" => "__builtin_vsx_xxinsertw", "vsx.xxleqv" => "__builtin_vsx_xxleqv", "vsx.xxpermx" => "__builtin_vsx_xxpermx", - _ => unimplemented!("***** unsupported LLVM intrinsic {}", name), + "zoned2packed" => "__builtin_ppc_zoned2packed", + _ => unimplemented!("***** unsupported LLVM intrinsic {full_name}"), } } - ppc(name) + ppc(name, full_name) } "ptx" => { #[allow(non_snake_case)] - fn ptx(name: &str) -> &str { + fn ptx(name: &str, full_name: &str) -> &'static str { match name { // ptx "bar.sync" => "__builtin_ptx_bar_sync", @@ -6063,14 +6071,14 @@ fn map_arch_intrinsic(name: &str) -> &str { "read.pm3" => "__builtin_ptx_read_pm3", "read.smid" => "__builtin_ptx_read_smid", "read.warpid" => "__builtin_ptx_read_warpid", - _ => unimplemented!("***** unsupported LLVM intrinsic {}", name), + _ => unimplemented!("***** unsupported LLVM intrinsic {full_name}"), } } - ptx(name) + ptx(name, full_name) } "r600" => { #[allow(non_snake_case)] - fn r600(name: &str) -> &str { + fn r600(name: &str, full_name: &str) -> &'static str { match name { // r600 "group.barrier" => "__builtin_r600_group_barrier", @@ -6088,14 +6096,14 @@ fn map_arch_intrinsic(name: &str) -> &str { "read.tidig.x" => "__builtin_r600_read_tidig_x", "read.tidig.y" => "__builtin_r600_read_tidig_y", "read.tidig.z" => "__builtin_r600_read_tidig_z", - _ => unimplemented!("***** unsupported LLVM intrinsic {}", name), + _ => unimplemented!("***** unsupported LLVM intrinsic {full_name}"), } } - r600(name) + r600(name, full_name) } "riscv" => { #[allow(non_snake_case)] - fn riscv(name: &str) -> &str { + fn riscv(name: &str, full_name: &str) -> &'static str { match name { // riscv "aes32dsi" => "__builtin_riscv_aes32dsi", @@ -6119,14 +6127,14 @@ fn map_arch_intrinsic(name: &str) -> &str { "sha512sum0r" => "__builtin_riscv_sha512sum0r", "sha512sum1" => "__builtin_riscv_sha512sum1", "sha512sum1r" => "__builtin_riscv_sha512sum1r", - _ => unimplemented!("***** unsupported LLVM intrinsic {}", name), + _ => unimplemented!("***** unsupported LLVM intrinsic {full_name}"), } } - riscv(name) + riscv(name, full_name) } "s390" => { #[allow(non_snake_case)] - fn s390(name: &str) -> &str { + fn s390(name: &str, full_name: &str) -> &'static str { match name { // s390 "bdepg" => "__builtin_s390_bdepg", @@ -6313,14 +6321,14 @@ fn map_arch_intrinsic(name: &str) -> &str { "vupllf" => "__builtin_s390_vupllf", "vupllg" => "__builtin_s390_vupllg", "vupllh" => "__builtin_s390_vupllh", - _ => unimplemented!("***** unsupported LLVM intrinsic {}", name), + _ => unimplemented!("***** unsupported LLVM intrinsic {full_name}"), } } - s390(name) + s390(name, full_name) } "ve" => { #[allow(non_snake_case)] - fn ve(name: &str) -> &str { + fn ve(name: &str, full_name: &str) -> &'static str { match name { // ve "vl.andm.MMM" => "__builtin_ve_vl_andm_MMM", @@ -7586,14 +7594,14 @@ fn map_arch_intrinsic(name: &str) -> &str { "vl.vxor.vvvvl" => "__builtin_ve_vl_vxor_vvvvl", "vl.xorm.MMM" => "__builtin_ve_vl_xorm_MMM", "vl.xorm.mmm" => "__builtin_ve_vl_xorm_mmm", - _ => unimplemented!("***** unsupported LLVM intrinsic {}", name), + _ => unimplemented!("***** unsupported LLVM intrinsic {full_name}"), } } - ve(name) + ve(name, full_name) } "x86" => { #[allow(non_snake_case)] - fn x86(name: &str) -> &str { + fn x86(name: &str, full_name: &str) -> &'static str { match name { // x86 "aadd32" => "__builtin_ia32_aadd32", @@ -10154,25 +10162,25 @@ fn map_arch_intrinsic(name: &str) -> &str { "xresldtrk" => "__builtin_ia32_xresldtrk", "xsusldtrk" => "__builtin_ia32_xsusldtrk", "xtest" => "__builtin_ia32_xtest", - _ => unimplemented!("***** unsupported LLVM intrinsic {}", name), + _ => unimplemented!("***** unsupported LLVM intrinsic {full_name}"), } } - x86(name) + x86(name, full_name) } "xcore" => { #[allow(non_snake_case)] - fn xcore(name: &str) -> &str { + fn xcore(name: &str, full_name: &str) -> &'static str { match name { // xcore "bitrev" => "__builtin_bitrev", "getid" => "__builtin_getid", "getps" => "__builtin_getps", "setps" => "__builtin_setps", - _ => unimplemented!("***** unsupported LLVM intrinsic {}", name), + _ => unimplemented!("***** unsupported LLVM intrinsic {full_name}"), } } - xcore(name) + xcore(name, full_name) } - _ => unimplemented!("***** unsupported LLVM intrinsic {}", name), + _ => unimplemented!("***** unsupported LLVM architecture {arch}, intrinsic:{full_name}"), } } diff --git a/src/intrinsic/llvm.rs b/src/intrinsic/llvm.rs index 0b77694f1156..39dba28b24c9 100644 --- a/src/intrinsic/llvm.rs +++ b/src/intrinsic/llvm.rs @@ -648,6 +648,11 @@ pub fn adjust_intrinsic_arguments<'a, 'b, 'gcc, 'tcx>( new_args.push(handle); args = new_args.into(); } + "__builtin_ia32_rdtscp" => { + let result = builder.current_func().new_local(None, builder.u32_type, "result"); + let new_args = vec![result.get_address(None).to_rvalue()]; + args = new_args.into(); + } _ => (), } } else { @@ -764,6 +769,14 @@ pub fn adjust_intrinsic_arguments<'a, 'b, 'gcc, 'tcx>( new_args.swap(0, 1); args = new_args.into(); } + "__builtin_ia32_dpps256" => { + let mut new_args = args.to_vec(); + // NOTE: without this cast to u8 (and it needs to be a u8 to fix the issue), we + // would get the following error: + // the last argument must be an 8-bit immediate + new_args[2] = builder.context.new_cast(None, new_args[2], builder.cx.type_u8()); + args = new_args.into(); + } _ => (), } } @@ -935,6 +948,19 @@ pub fn adjust_intrinsic_return_value<'a, 'gcc, 'tcx>( ); return_value = result.to_rvalue(); } + "__builtin_ia32_rdtscp" => { + let field1 = builder.context.new_field(None, return_value.get_type(), "rdtscpField1"); + let return2 = args[0].dereference(None).to_rvalue(); + let field2 = builder.context.new_field(None, return2.get_type(), "rdtscpField2"); + let struct_type = + builder.context.new_struct_type(None, "rdtscpResult", &[field1, field2]); + return_value = builder.context.new_struct_constructor( + None, + struct_type.as_type(), + None, + &[return_value, return2], + ); + } _ => (), } @@ -1529,6 +1555,17 @@ pub fn intrinsic<'gcc, 'tcx>(name: &str, cx: &CodegenCx<'gcc, 'tcx>) -> Function "llvm.x86.aesdecwide128kl" => "__builtin_ia32_aesdecwide128kl_u8", "llvm.x86.aesencwide256kl" => "__builtin_ia32_aesencwide256kl_u8", "llvm.x86.aesdecwide256kl" => "__builtin_ia32_aesdecwide256kl_u8", + "llvm.x86.avx512.uitofp.round.v8f16.v8i16" => "__builtin_ia32_vcvtuw2ph128_mask", + "llvm.x86.avx512.uitofp.round.v16f16.v16i16" => "__builtin_ia32_vcvtuw2ph256_mask", + "llvm.x86.avx512.uitofp.round.v32f16.v32i16" => "__builtin_ia32_vcvtuw2ph512_mask_round", + "llvm.x86.avx512.uitofp.round.v8f16.v8i32" => "__builtin_ia32_vcvtudq2ph256_mask", + "llvm.x86.avx512.uitofp.round.v16f16.v16i32" => "__builtin_ia32_vcvtudq2ph512_mask_round", + "llvm.x86.avx512.uitofp.round.v8f16.v8i64" => "__builtin_ia32_vcvtuqq2ph512_mask_round", + "llvm.x86.avx512.uitofp.round.v8f64.v8i64" => "__builtin_ia32_cvtuqq2pd512_mask", + "llvm.x86.avx512.uitofp.round.v2f64.v2i64" => "__builtin_ia32_cvtuqq2pd128_mask", + "llvm.x86.avx512.uitofp.round.v4f64.v4i64" => "__builtin_ia32_cvtuqq2pd256_mask", + "llvm.x86.avx512.uitofp.round.v8f32.v8i64" => "__builtin_ia32_cvtuqq2ps512_mask", + "llvm.x86.avx512.uitofp.round.v4f32.v4i64" => "__builtin_ia32_cvtuqq2ps256_mask", // TODO: support the tile builtins: "llvm.x86.ldtilecfg" => "__builtin_trap", diff --git a/src/intrinsic/mod.rs b/src/intrinsic/mod.rs index 4c10380fe745..497605978fe2 100644 --- a/src/intrinsic/mod.rs +++ b/src/intrinsic/mod.rs @@ -114,7 +114,6 @@ fn get_simple_intrinsic<'gcc, 'tcx>( } sym::copysignf32 => "copysignf", sym::copysignf64 => "copysign", - sym::copysignf128 => "copysignl", sym::floorf32 => "floorf", sym::floorf64 => "floor", sym::ceilf32 => "ceilf", @@ -238,6 +237,7 @@ fn get_simple_function_f128_2args<'gcc, 'tcx>( let func_name = match name { sym::maxnumf128 => "fmaxf128", sym::minnumf128 => "fminf128", + sym::copysignf128 => "copysignf128", _ => return None, }; Some(cx.context.new_function( @@ -261,6 +261,7 @@ fn f16_builtin<'gcc, 'tcx>( let f32_type = cx.type_f32(); let builtin_name = match name { sym::ceilf16 => "__builtin_ceilf", + sym::copysignf16 => "__builtin_copysignf", sym::floorf16 => "__builtin_floorf", sym::fmaf16 => "fmaf", sym::maxnumf16 => "__builtin_fmaxf", @@ -330,6 +331,7 @@ impl<'a, 'gcc, 'tcx> IntrinsicCallBuilderMethods<'tcx> for Builder<'a, 'gcc, 'tc ) } sym::ceilf16 + | sym::copysignf16 | sym::floorf16 | sym::fmaf16 | sym::maxnumf16 diff --git a/tools/generate_intrinsics.py b/tools/generate_intrinsics.py index ed0ebf007195..88927f39b93e 100644 --- a/tools/generate_intrinsics.py +++ b/tools/generate_intrinsics.py @@ -176,14 +176,14 @@ def update_intrinsics(llvm_path, llvmint, llvmint2): out.write("// File generated by `rustc_codegen_gcc/tools/generate_intrinsics.py`\n") out.write("// DO NOT EDIT IT!\n") out.write("/// Translate a given LLVM intrinsic name to an equivalent GCC one.\n") - out.write("fn map_arch_intrinsic(name:&str)->&str{\n") - out.write('let Some(name) = name.strip_prefix("llvm.") else { unimplemented!("***** unsupported LLVM intrinsic {}", name) };\n') + out.write("fn map_arch_intrinsic(full_name:&str)->&'static str{\n") + out.write('let Some(name) = full_name.strip_prefix("llvm.") else { unimplemented!("***** unsupported LLVM intrinsic {}", full_name) };\n') out.write('let Some((arch, name)) = name.split_once(\'.\') else { unimplemented!("***** unsupported LLVM intrinsic {}", name) };\n') out.write("match arch {\n") for arch in archs: if len(intrinsics[arch]) == 0: continue - out.write("\"{}\" => {{ #[allow(non_snake_case)] fn {}(name: &str) -> &str {{ match name {{".format(arch,arch)) + out.write("\"{}\" => {{ #[allow(non_snake_case)] fn {}(name: &str,full_name:&str) -> &'static str {{ match name {{".format(arch,arch)) intrinsics[arch].sort(key=lambda x: (x[0], x[2])) out.write(' // {}\n'.format(arch)) for entry in intrinsics[arch]: @@ -196,9 +196,9 @@ def update_intrinsics(llvm_path, llvmint, llvmint2): out.write(' // [INVALID CONVERSION]: "{}" => "{}",\n'.format(llvm_name, entry[1])) else: out.write(' "{}" => "{}",\n'.format(llvm_name, entry[1])) - out.write(' _ => unimplemented!("***** unsupported LLVM intrinsic {}", name),\n') - out.write("}} }} {}(name) }}\n,".format(arch)) - out.write(' _ => unimplemented!("***** unsupported LLVM architecture {}", name),\n') + out.write(' _ => unimplemented!("***** unsupported LLVM intrinsic {full_name}"),\n') + out.write("}} }} {}(name,full_name) }}\n,".format(arch)) + out.write(' _ => unimplemented!("***** unsupported LLVM architecture {arch}, intrinsic:{full_name}"),\n') out.write("}\n}") subprocess.call(["rustfmt", output_file]) print("Done!") From fba4177d0fd07fc3f2d2202b39199ab913fb6164 Mon Sep 17 00:00:00 2001 From: Camille GILLOT Date: Mon, 23 Jun 2025 16:08:01 +0000 Subject: [PATCH 016/157] Simplify assignments. --- compiler/rustc_mir_transform/src/gvn.rs | 59 ++++++++++++++----------- 1 file changed, 32 insertions(+), 27 deletions(-) diff --git a/compiler/rustc_mir_transform/src/gvn.rs b/compiler/rustc_mir_transform/src/gvn.rs index bda71ceaa551..b19323239b6f 100644 --- a/compiler/rustc_mir_transform/src/gvn.rs +++ b/compiler/rustc_mir_transform/src/gvn.rs @@ -1755,7 +1755,7 @@ impl<'tcx> MutVisitor<'tcx> for VnState<'_, 'tcx> { fn visit_place(&mut self, place: &mut Place<'tcx>, context: PlaceContext, location: Location) { self.simplify_place_projection(place, location); - if context.is_mutating_use() && !place.projection.is_empty() { + if context.is_mutating_use() && place.is_indirect() { // Non-local mutation maybe invalidate deref. self.invalidate_derefs(); } @@ -1767,36 +1767,41 @@ impl<'tcx> MutVisitor<'tcx> for VnState<'_, 'tcx> { self.super_operand(operand, location); } - fn visit_statement(&mut self, stmt: &mut Statement<'tcx>, location: Location) { - if let StatementKind::Assign(box (ref mut lhs, ref mut rvalue)) = stmt.kind { - self.simplify_place_projection(lhs, location); + fn visit_assign( + &mut self, + lhs: &mut Place<'tcx>, + rvalue: &mut Rvalue<'tcx>, + location: Location, + ) { + self.simplify_place_projection(lhs, location); - let value = self.simplify_rvalue(lhs, rvalue, location); - let value = if let Some(local) = lhs.as_local() - && self.ssa.is_ssa(local) - // FIXME(#112651) `rvalue` may have a subtype to `local`. We can only mark - // `local` as reusable if we have an exact type match. - && self.local_decls[local].ty == rvalue.ty(self.local_decls, self.tcx) + let value = self.simplify_rvalue(lhs, rvalue, location); + if let Some(value) = value { + if let Some(const_) = self.try_as_constant(value) { + *rvalue = Rvalue::Use(Operand::Constant(Box::new(const_))); + } else if let Some(place) = self.try_as_place(value, location, false) + && *rvalue != Rvalue::Use(Operand::Move(place)) + && *rvalue != Rvalue::Use(Operand::Copy(place)) { - let value = value.unwrap_or_else(|| self.new_opaque()); - self.assign(local, value); - Some(value) - } else { - value - }; - if let Some(value) = value { - if let Some(const_) = self.try_as_constant(value) { - *rvalue = Rvalue::Use(Operand::Constant(Box::new(const_))); - } else if let Some(place) = self.try_as_place(value, location, false) - && *rvalue != Rvalue::Use(Operand::Move(place)) - && *rvalue != Rvalue::Use(Operand::Copy(place)) - { - *rvalue = Rvalue::Use(Operand::Copy(place)); - self.reused_locals.insert(place.local); - } + *rvalue = Rvalue::Use(Operand::Copy(place)); + self.reused_locals.insert(place.local); } } - self.super_statement(stmt, location); + + if lhs.is_indirect() { + // Non-local mutation maybe invalidate deref. + self.invalidate_derefs(); + } + + if let Some(local) = lhs.as_local() + && self.ssa.is_ssa(local) + // FIXME(#112651) `rvalue` may have a subtype to `local`. We can only mark + // `local` as reusable if we have an exact type match. + && self.local_decls[local].ty == rvalue.ty(self.local_decls, self.tcx) + { + let value = value.unwrap_or_else(|| self.new_opaque()); + self.assign(local, value); + } } fn visit_terminator(&mut self, terminator: &mut Terminator<'tcx>, location: Location) { From ac70dc85e74d789b82b8352a895335b18e1a569e Mon Sep 17 00:00:00 2001 From: Camille GILLOT Date: Mon, 30 Jun 2025 18:26:37 +0000 Subject: [PATCH 017/157] Introduce Value::RawPtr as it behaves differently from other aggregates. --- compiler/rustc_mir_transform/src/gvn.rs | 126 +++++++++++++----------- 1 file changed, 69 insertions(+), 57 deletions(-) diff --git a/compiler/rustc_mir_transform/src/gvn.rs b/compiler/rustc_mir_transform/src/gvn.rs index b19323239b6f..b59b73531129 100644 --- a/compiler/rustc_mir_transform/src/gvn.rs +++ b/compiler/rustc_mir_transform/src/gvn.rs @@ -163,12 +163,6 @@ enum AggregateTy<'tcx> { Array, Tuple, Def(DefId, ty::GenericArgsRef<'tcx>), - RawPtr { - /// Needed for cast propagation. - data_pointer_ty: Ty<'tcx>, - /// The data pointer can be anything thin, so doesn't determine the output. - output_pointer_ty: Ty<'tcx>, - }, } #[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)] @@ -194,6 +188,17 @@ enum Value<'tcx> { /// An aggregate value, either tuple/closure/struct/enum. /// This does not contain unions, as we cannot reason with the value. Aggregate(AggregateTy<'tcx>, VariantIdx, Vec), + /// A raw pointer aggregate built from a thin pointer and metadata. + RawPtr { + /// Thin pointer component. This is field 0 in MIR. + pointer: VnIndex, + /// Metadata component. This is field 1 in MIR. + metadata: VnIndex, + /// Needed for cast propagation. + data_pointer_ty: Ty<'tcx>, + /// The data pointer can be anything thin, so doesn't determine the output. + output_pointer_ty: Ty<'tcx>, + }, /// This corresponds to a `[value; count]` expression. Repeat(VnIndex, ty::Const<'tcx>), /// The address of a place. @@ -402,22 +407,11 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { AggregateTy::Def(def_id, args) => { self.tcx.type_of(def_id).instantiate(self.tcx, args) } - AggregateTy::RawPtr { output_pointer_ty, .. } => output_pointer_ty, }; let variant = if ty.is_enum() { Some(variant) } else { None }; let ty = self.ecx.layout_of(ty).ok()?; if ty.is_zst() { ImmTy::uninit(ty).into() - } else if matches!(kind, AggregateTy::RawPtr { .. }) { - // Pointers don't have fields, so don't `project_field` them. - let data = self.ecx.read_pointer(fields[0]).discard_err()?; - let meta = if fields[1].layout.is_zst() { - MemPlaceMeta::None - } else { - MemPlaceMeta::Meta(self.ecx.read_scalar(fields[1]).discard_err()?) - }; - let ptr_imm = Immediate::new_pointer_with_meta(data, meta, &self.ecx); - ImmTy::from_immediate(ptr_imm, ty).into() } else if matches!( ty.backend_repr, BackendRepr::Scalar(..) | BackendRepr::ScalarPair(..) @@ -446,6 +440,22 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { return None; } } + RawPtr { pointer, metadata, output_pointer_ty, data_pointer_ty: _ } => { + let pointer = self.evaluated[pointer].as_ref()?; + let metadata = self.evaluated[metadata].as_ref()?; + let output_pointer_ty = self.ecx.layout_of(output_pointer_ty).ok()?; + debug_assert!(!output_pointer_ty.is_zst()); + + // Pointers don't have fields, so don't `project_field` them. + let data = self.ecx.read_pointer(pointer).discard_err()?; + let meta = if metadata.layout.is_zst() { + MemPlaceMeta::None + } else { + MemPlaceMeta::Meta(self.ecx.read_scalar(metadata).discard_err()?) + }; + let ptr_imm = Immediate::new_pointer_with_meta(data, meta, &self.ecx); + ImmTy::from_immediate(ptr_imm, output_pointer_ty).into() + } Projection(base, elem) => { let value = self.evaluated[base].as_ref()?; @@ -1026,7 +1036,12 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { } } - let (mut ty, variant_index) = match *kind { + let fields: Vec<_> = field_ops + .iter_mut() + .map(|op| self.simplify_operand(op, location).unwrap_or_else(|| self.new_opaque())) + .collect(); + + let (ty, variant_index) = match *kind { AggregateKind::Array(..) => { assert!(!field_ops.is_empty()); (AggregateTy::Array, FIRST_VARIANT) @@ -1045,42 +1060,42 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { AggregateKind::Adt(_, _, _, _, Some(_)) => return None, AggregateKind::RawPtr(pointee_ty, mtbl) => { assert_eq!(field_ops.len(), 2); - let data_pointer_ty = field_ops[FieldIdx::ZERO].ty(self.local_decls, self.tcx); + let mut data_pointer_ty = field_ops[FieldIdx::ZERO].ty(self.local_decls, self.tcx); let output_pointer_ty = Ty::new_ptr(self.tcx, pointee_ty, mtbl); - (AggregateTy::RawPtr { data_pointer_ty, output_pointer_ty }, FIRST_VARIANT) + + let [mut pointer, metadata] = fields.try_into().unwrap(); + + // Any thin pointer of matching mutability is fine as the data pointer. + let mut was_updated = false; + while let Value::Cast { + kind: CastKind::PtrToPtr, + value: cast_value, + from: cast_from, + to: _, + } = self.get(pointer) + && let ty::RawPtr(from_pointee_ty, from_mtbl) = cast_from.kind() + && let ty::RawPtr(_, output_mtbl) = output_pointer_ty.kind() + && from_mtbl == output_mtbl + && from_pointee_ty.is_sized(self.tcx, self.typing_env()) + { + pointer = *cast_value; + data_pointer_ty = *cast_from; + was_updated = true; + } + + if was_updated && let Some(op) = self.try_as_operand(pointer, location) { + field_ops[FieldIdx::ZERO] = op; + } + + return Some(self.insert(Value::RawPtr { + output_pointer_ty, + data_pointer_ty, + pointer, + metadata, + })); } }; - let mut fields: Vec<_> = field_ops - .iter_mut() - .map(|op| self.simplify_operand(op, location).unwrap_or_else(|| self.new_opaque())) - .collect(); - - if let AggregateTy::RawPtr { data_pointer_ty, output_pointer_ty } = &mut ty { - let mut was_updated = false; - - // Any thin pointer of matching mutability is fine as the data pointer. - while let Value::Cast { - kind: CastKind::PtrToPtr, - value: cast_value, - from: cast_from, - to: _, - } = self.get(fields[0]) - && let ty::RawPtr(from_pointee_ty, from_mtbl) = cast_from.kind() - && let ty::RawPtr(_, output_mtbl) = output_pointer_ty.kind() - && from_mtbl == output_mtbl - && from_pointee_ty.is_sized(self.tcx, self.typing_env()) - { - fields[0] = *cast_value; - *data_pointer_ty = *cast_from; - was_updated = true; - } - - if was_updated && let Some(op) = self.try_as_operand(fields[0], location) { - field_ops[FieldIdx::ZERO] = op; - } - } - if let AggregateTy::Array = ty && fields.len() > 4 { @@ -1165,9 +1180,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { (UnOp::Not, Value::BinaryOp(BinOp::Ne, lhs, rhs)) => { Value::BinaryOp(BinOp::Eq, *lhs, *rhs) } - (UnOp::PtrMetadata, Value::Aggregate(AggregateTy::RawPtr { .. }, _, fields)) => { - return Some(fields[1]); - } + (UnOp::PtrMetadata, Value::RawPtr { metadata, .. }) => return Some(*metadata), // We have an unsizing cast, which assigns the length to wide pointer metadata. ( UnOp::PtrMetadata, @@ -1399,16 +1412,15 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { // If a cast just casts away the metadata again, then we can get it by // casting the original thin pointer passed to `from_raw_parts` if let PtrToPtr = kind - && let Value::Aggregate(AggregateTy::RawPtr { data_pointer_ty, .. }, _, fields) = - self.get(value) + && let Value::RawPtr { data_pointer_ty, pointer, .. } = self.get(value) && let ty::RawPtr(to_pointee, _) = to.kind() && to_pointee.is_sized(self.tcx, self.typing_env()) { from = *data_pointer_ty; - value = fields[0]; + value = *pointer; was_updated_this_iteration = true; if *data_pointer_ty == to { - return Some(fields[0]); + return Some(*pointer); } } From be41333604c15acef2766619beac604bb3726538 Mon Sep 17 00:00:00 2001 From: Camille GILLOT Date: Mon, 30 Jun 2025 19:27:27 +0000 Subject: [PATCH 018/157] Store a full Ty with each Value. --- compiler/rustc_mir_transform/src/gvn.rs | 244 ++++++++---------- tests/mir-opt/const_prop/transmute.rs | 2 +- ...ransmute.unreachable_direct.GVN.32bit.diff | 2 +- ...ransmute.unreachable_direct.GVN.64bit.diff | 2 +- ...generic_cast_metadata.GVN.panic-abort.diff | 3 +- ...eneric_cast_metadata.GVN.panic-unwind.diff | 3 +- tests/mir-opt/gvn.rs | 2 +- 7 files changed, 122 insertions(+), 136 deletions(-) diff --git a/compiler/rustc_mir_transform/src/gvn.rs b/compiler/rustc_mir_transform/src/gvn.rs index b59b73531129..3e4c05b355f6 100644 --- a/compiler/rustc_mir_transform/src/gvn.rs +++ b/compiler/rustc_mir_transform/src/gvn.rs @@ -130,7 +130,7 @@ impl<'tcx> crate::MirPass<'tcx> for GVN { let mut state = VnState::new(tcx, body, typing_env, &ssa, dominators, &body.local_decls); for local in body.args_iter().filter(|&local| ssa.is_ssa(local)) { - let opaque = state.new_opaque(); + let opaque = state.new_opaque(body.local_decls[local].ty); state.assign(local, opaque); } @@ -238,7 +238,7 @@ struct VnState<'body, 'tcx> { /// Locals that are assigned that value. // This vector does not hold all the values of `VnIndex` that we create. rev_locals: IndexVec>, - values: FxIndexSet>, + values: FxIndexSet<(Value<'tcx>, Ty<'tcx>)>, /// Values evaluated as constants if possible. evaluated: IndexVec>>, /// Counter to generate different values. @@ -287,8 +287,8 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { } #[instrument(level = "trace", skip(self), ret)] - fn insert(&mut self, value: Value<'tcx>) -> VnIndex { - let (index, new) = self.values.insert_full(value); + fn insert(&mut self, ty: Ty<'tcx>, value: Value<'tcx>) -> VnIndex { + let (index, new) = self.values.insert_full((value, ty)); let index = VnIndex::from_usize(index); if new { // Grow `evaluated` and `rev_locals` here to amortize the allocations. @@ -310,20 +310,33 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { /// Create a new `Value` for which we have no information at all, except that it is distinct /// from all the others. #[instrument(level = "trace", skip(self), ret)] - fn new_opaque(&mut self) -> VnIndex { + fn new_opaque(&mut self, ty: Ty<'tcx>) -> VnIndex { let value = Value::Opaque(self.next_opaque()); - self.insert(value) + self.insert(ty, value) } /// Create a new `Value::Address` distinct from all the others. #[instrument(level = "trace", skip(self), ret)] fn new_pointer(&mut self, place: Place<'tcx>, kind: AddressKind) -> VnIndex { + let pty = place.ty(self.local_decls, self.tcx).ty; + let ty = match kind { + AddressKind::Ref(bk) => { + Ty::new_ref(self.tcx, self.tcx.lifetimes.re_erased, pty, bk.to_mutbl_lossy()) + } + AddressKind::Address(mutbl) => Ty::new_ptr(self.tcx, pty, mutbl.to_mutbl_lossy()), + }; let value = Value::Address { place, kind, provenance: self.next_opaque() }; - self.insert(value) + self.insert(ty, value) } + #[inline] fn get(&self, index: VnIndex) -> &Value<'tcx> { - self.values.get_index(index.as_usize()).unwrap() + &self.values.get_index(index.as_usize()).unwrap().0 + } + + #[inline] + fn ty(&self, index: VnIndex) -> Ty<'tcx> { + self.values.get_index(index.as_usize()).unwrap().1 } /// Record that `local` is assigned `value`. `local` must be SSA. @@ -346,29 +359,29 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { debug_assert_ne!(disambiguator, 0); disambiguator }; - self.insert(Value::Constant { value, disambiguator }) + self.insert(value.ty(), Value::Constant { value, disambiguator }) } fn insert_bool(&mut self, flag: bool) -> VnIndex { // Booleans are deterministic. let value = Const::from_bool(self.tcx, flag); debug_assert!(value.is_deterministic()); - self.insert(Value::Constant { value, disambiguator: 0 }) + self.insert(self.tcx.types.bool, Value::Constant { value, disambiguator: 0 }) } - fn insert_scalar(&mut self, scalar: Scalar, ty: Ty<'tcx>) -> VnIndex { + fn insert_scalar(&mut self, ty: Ty<'tcx>, scalar: Scalar) -> VnIndex { // Scalars are deterministic. let value = Const::from_scalar(self.tcx, scalar, ty); debug_assert!(value.is_deterministic()); - self.insert(Value::Constant { value, disambiguator: 0 }) + self.insert(ty, Value::Constant { value, disambiguator: 0 }) } - fn insert_tuple(&mut self, values: Vec) -> VnIndex { - self.insert(Value::Aggregate(AggregateTy::Tuple, VariantIdx::ZERO, values)) + fn insert_tuple(&mut self, ty: Ty<'tcx>, values: Vec) -> VnIndex { + self.insert(ty, Value::Aggregate(AggregateTy::Tuple, VariantIdx::ZERO, values)) } - fn insert_deref(&mut self, value: VnIndex) -> VnIndex { - let value = self.insert(Value::Projection(value, ProjectionElem::Deref)); + fn insert_deref(&mut self, ty: Ty<'tcx>, value: VnIndex) -> VnIndex { + let value = self.insert(ty, Value::Projection(value, ProjectionElem::Deref)); self.derefs.push(value); value } @@ -376,14 +389,18 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { fn invalidate_derefs(&mut self) { for deref in std::mem::take(&mut self.derefs) { let opaque = self.next_opaque(); - *self.values.get_index_mut2(deref.index()).unwrap() = Value::Opaque(opaque); + self.values.get_index_mut2(deref.index()).unwrap().0 = Value::Opaque(opaque); } } #[instrument(level = "trace", skip(self), ret)] fn eval_to_const(&mut self, value: VnIndex) -> Option> { use Value::*; + let ty = self.ty(value); + let ty = self.ecx.layout_of(ty).ok()?; let op = match *self.get(value) { + _ if ty.is_zst() => ImmTy::uninit(ty).into(), + Opaque(_) => return None, // Do not bother evaluating repeat expressions. This would uselessly consume memory. Repeat(..) => return None, @@ -391,31 +408,14 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { Constant { ref value, disambiguator: _ } => { self.ecx.eval_mir_constant(value, DUMMY_SP, None).discard_err()? } - Aggregate(kind, variant, ref fields) => { + Aggregate(_, variant, ref fields) => { let fields = fields .iter() .map(|&f| self.evaluated[f].as_ref()) .collect::>>()?; - let ty = match kind { - AggregateTy::Array => { - assert!(fields.len() > 0); - Ty::new_array(self.tcx, fields[0].layout.ty, fields.len() as u64) - } - AggregateTy::Tuple => { - Ty::new_tup_from_iter(self.tcx, fields.iter().map(|f| f.layout.ty)) - } - AggregateTy::Def(def_id, args) => { - self.tcx.type_of(def_id).instantiate(self.tcx, args) - } - }; - let variant = if ty.is_enum() { Some(variant) } else { None }; - let ty = self.ecx.layout_of(ty).ok()?; - if ty.is_zst() { - ImmTy::uninit(ty).into() - } else if matches!( - ty.backend_repr, - BackendRepr::Scalar(..) | BackendRepr::ScalarPair(..) - ) { + let variant = if ty.ty.is_enum() { Some(variant) } else { None }; + if matches!(ty.backend_repr, BackendRepr::Scalar(..) | BackendRepr::ScalarPair(..)) + { let dest = self.ecx.allocate(ty, MemoryKind::Stack).discard_err()?; let variant_dest = if let Some(variant) = variant { self.ecx.project_downcast(&dest, variant).discard_err()? @@ -440,11 +440,9 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { return None; } } - RawPtr { pointer, metadata, output_pointer_ty, data_pointer_ty: _ } => { + RawPtr { pointer, metadata, output_pointer_ty: _, data_pointer_ty: _ } => { let pointer = self.evaluated[pointer].as_ref()?; let metadata = self.evaluated[metadata].as_ref()?; - let output_pointer_ty = self.ecx.layout_of(output_pointer_ty).ok()?; - debug_assert!(!output_pointer_ty.is_zst()); // Pointers don't have fields, so don't `project_field` them. let data = self.ecx.read_pointer(pointer).discard_err()?; @@ -454,7 +452,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { MemPlaceMeta::Meta(self.ecx.read_scalar(metadata).discard_err()?) }; let ptr_imm = Immediate::new_pointer_with_meta(data, meta, &self.ecx); - ImmTy::from_immediate(ptr_imm, output_pointer_ty).into() + ImmTy::from_immediate(ptr_imm, ty).into() } Projection(base, elem) => { @@ -481,7 +479,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { }; self.ecx.project(value, elem).discard_err()? } - Address { place, kind, provenance: _ } => { + Address { place, kind: _, provenance: _ } => { if !place.is_indirect_first_projection() { return None; } @@ -497,19 +495,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { mplace = self.ecx.project(&mplace, proj).discard_err()?; } let pointer = mplace.to_ref(&self.ecx); - let ty = match kind { - AddressKind::Ref(bk) => Ty::new_ref( - self.tcx, - self.tcx.lifetimes.re_erased, - mplace.layout.ty, - bk.to_mutbl_lossy(), - ), - AddressKind::Address(mutbl) => { - Ty::new_ptr(self.tcx, mplace.layout.ty, mutbl.to_mutbl_lossy()) - } - }; - let layout = self.ecx.layout_of(ty).ok()?; - ImmTy::from_immediate(pointer, layout).into() + ImmTy::from_immediate(pointer, ty).into() } Discriminant(base) => { @@ -521,32 +507,28 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { } Len(slice) => { let slice = self.evaluated[slice].as_ref()?; - let usize_layout = self.ecx.layout_of(self.tcx.types.usize).unwrap(); let len = slice.len(&self.ecx).discard_err()?; - let imm = ImmTy::from_uint(len, usize_layout); - imm.into() + ImmTy::from_uint(len, ty).into() } - NullaryOp(null_op, ty) => { - let layout = self.ecx.layout_of(ty).ok()?; + NullaryOp(null_op, arg_ty) => { + let arg_layout = self.ecx.layout_of(arg_ty).ok()?; if let NullOp::SizeOf | NullOp::AlignOf = null_op - && layout.is_unsized() + && arg_layout.is_unsized() { return None; } let val = match null_op { - NullOp::SizeOf => layout.size.bytes(), - NullOp::AlignOf => layout.align.abi.bytes(), + NullOp::SizeOf => arg_layout.size.bytes(), + NullOp::AlignOf => arg_layout.align.abi.bytes(), NullOp::OffsetOf(fields) => self .ecx .tcx - .offset_of_subfield(self.typing_env(), layout, fields.iter()) + .offset_of_subfield(self.typing_env(), arg_layout, fields.iter()) .bytes(), NullOp::UbChecks => return None, NullOp::ContractChecks => return None, }; - let usize_layout = self.ecx.layout_of(self.tcx.types.usize).unwrap(); - let imm = ImmTy::from_uint(val, usize_layout); - imm.into() + ImmTy::from_uint(val, ty).into() } UnaryOp(un_op, operand) => { let operand = self.evaluated[operand].as_ref()?; @@ -562,30 +544,27 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { let val = self.ecx.binary_op(bin_op, &lhs, &rhs).discard_err()?; val.into() } - Cast { kind, value, from: _, to } => match kind { + Cast { kind, value, from: _, to: _ } => match kind { CastKind::IntToInt | CastKind::IntToFloat => { let value = self.evaluated[value].as_ref()?; let value = self.ecx.read_immediate(value).discard_err()?; - let to = self.ecx.layout_of(to).ok()?; - let res = self.ecx.int_to_int_or_float(&value, to).discard_err()?; + let res = self.ecx.int_to_int_or_float(&value, ty).discard_err()?; res.into() } CastKind::FloatToFloat | CastKind::FloatToInt => { let value = self.evaluated[value].as_ref()?; let value = self.ecx.read_immediate(value).discard_err()?; - let to = self.ecx.layout_of(to).ok()?; - let res = self.ecx.float_to_float_or_int(&value, to).discard_err()?; + let res = self.ecx.float_to_float_or_int(&value, ty).discard_err()?; res.into() } CastKind::Transmute => { let value = self.evaluated[value].as_ref()?; - let to = self.ecx.layout_of(to).ok()?; // `offset` for immediates generally only supports projections that match the // type of the immediate. However, as a HACK, we exploit that it can also do // limited transmutes: it only works between types with the same layout, and // cannot transmute pointers to integers. if value.as_mplace_or_imm().is_right() { - let can_transmute = match (value.layout.backend_repr, to.backend_repr) { + let can_transmute = match (value.layout.backend_repr, ty.backend_repr) { (BackendRepr::Scalar(s1), BackendRepr::Scalar(s2)) => { s1.size(&self.ecx) == s2.size(&self.ecx) && !matches!(s1.primitive(), Primitive::Pointer(..)) @@ -605,13 +584,12 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { return None; } } - value.offset(Size::ZERO, to, &self.ecx).discard_err()? + value.offset(Size::ZERO, ty, &self.ecx).discard_err()? } CastKind::PointerCoercion(ty::adjustment::PointerCoercion::Unsize, _) => { let src = self.evaluated[value].as_ref()?; - let to = self.ecx.layout_of(to).ok()?; - let dest = self.ecx.allocate(to, MemoryKind::Stack).discard_err()?; - self.ecx.unsize_into(src, to, &dest.clone().into()).discard_err()?; + let dest = self.ecx.allocate(ty, MemoryKind::Stack).discard_err()?; + self.ecx.unsize_into(src, ty, &dest.clone().into()).discard_err()?; self.ecx .alloc_mark_immutable(dest.ptr().provenance.unwrap().alloc_id()) .discard_err()?; @@ -620,15 +598,13 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { CastKind::FnPtrToPtr | CastKind::PtrToPtr => { let src = self.evaluated[value].as_ref()?; let src = self.ecx.read_immediate(src).discard_err()?; - let to = self.ecx.layout_of(to).ok()?; - let ret = self.ecx.ptr_to_ptr(&src, to).discard_err()?; + let ret = self.ecx.ptr_to_ptr(&src, ty).discard_err()?; ret.into() } CastKind::PointerCoercion(ty::adjustment::PointerCoercion::UnsafeFnPointer, _) => { let src = self.evaluated[value].as_ref()?; let src = self.ecx.read_immediate(src).discard_err()?; - let to = self.ecx.layout_of(to).ok()?; - ImmTy::from_immediate(*src, to).into() + ImmTy::from_immediate(*src, ty).into() } _ => return None, }, @@ -638,21 +614,20 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { fn project( &mut self, - place: PlaceRef<'tcx>, + place_ty: PlaceTy<'tcx>, value: VnIndex, proj: PlaceElem<'tcx>, from_non_ssa_index: &mut bool, - ) -> Option { + ) -> Option<(PlaceTy<'tcx>, VnIndex)> { + let projection_ty = place_ty.projection_ty(self.tcx, proj); let proj = match proj { ProjectionElem::Deref => { - let ty = place.ty(self.local_decls, self.tcx).ty; - if let Some(Mutability::Not) = ty.ref_mutability() - && let Some(pointee_ty) = ty.builtin_deref(true) - && pointee_ty.is_freeze(self.tcx, self.typing_env()) + if let Some(Mutability::Not) = place_ty.ty.ref_mutability() + && projection_ty.ty.is_freeze(self.tcx, self.typing_env()) { // An immutable borrow `_x` always points to the same value for the // lifetime of the borrow, so we can merge all instances of `*_x`. - return Some(self.insert_deref(value)); + return Some((projection_ty, self.insert_deref(projection_ty.ty, value))); } else { return None; } @@ -660,7 +635,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { ProjectionElem::Downcast(name, index) => ProjectionElem::Downcast(name, index), ProjectionElem::Field(f, ty) => { if let Value::Aggregate(_, _, fields) = self.get(value) { - return Some(fields[f.as_usize()]); + return Some((projection_ty, fields[f.as_usize()])); } else if let Value::Projection(outer_value, ProjectionElem::Downcast(_, read_variant)) = self.get(value) && let Value::Aggregate(_, written_variant, fields) = self.get(*outer_value) // This pass is not aware of control-flow, so we do not know whether the @@ -680,14 +655,14 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { // a downcast to an inactive variant. && written_variant == read_variant { - return Some(fields[f.as_usize()]); + return Some((projection_ty, fields[f.as_usize()])); } ProjectionElem::Field(f, ty) } ProjectionElem::Index(idx) => { if let Value::Repeat(inner, _) = self.get(value) { *from_non_ssa_index |= self.locals[idx].is_none(); - return Some(*inner); + return Some((projection_ty, *inner)); } let idx = self.locals[idx]?; ProjectionElem::Index(idx) @@ -695,7 +670,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { ProjectionElem::ConstantIndex { offset, min_length, from_end } => { match self.get(value) { Value::Repeat(inner, _) => { - return Some(*inner); + return Some((projection_ty, *inner)); } Value::Aggregate(AggregateTy::Array, _, operands) => { let offset = if from_end { @@ -703,7 +678,8 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { } else { offset as usize }; - return operands.get(offset).copied(); + let value = operands.get(offset).copied()?; + return Some((projection_ty, value)); } _ => {} }; @@ -717,7 +693,8 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { ProjectionElem::UnwrapUnsafeBinder(ty) => ProjectionElem::UnwrapUnsafeBinder(ty), }; - Some(self.insert(Value::Projection(value, proj))) + let value = self.insert(projection_ty.ty, Value::Projection(value, proj)); + Some((projection_ty, value)) } /// Simplify the projection chain if we know better. @@ -779,6 +756,8 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { // Invariant: `value` holds the value up-to the `index`th projection excluded. let mut value = self.locals[place.local]?; + // Invariant: `value` has type `place_ty`, with optional downcast variant if needed. + let mut place_ty = PlaceTy::from_ty(self.local_decls[place.local].ty); let mut from_non_ssa_index = false; for (index, proj) in place.projection.iter().enumerate() { if let Value::Projection(pointer, ProjectionElem::Deref) = *self.get(value) @@ -796,8 +775,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { place_ref = PlaceRef { local, projection: &place.projection[index..] }; } - let base = PlaceRef { local: place.local, projection: &place.projection[..index] }; - value = self.project(base, value, proj, &mut from_non_ssa_index)?; + (place_ty, value) = self.project(place_ty, value, proj, &mut from_non_ssa_index)?; } if let Value::Projection(pointer, ProjectionElem::Deref) = *self.get(value) @@ -906,8 +884,8 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { // Unsupported values. Rvalue::ThreadLocalRef(..) | Rvalue::ShallowInitBox(..) => return None, }; - debug!(?value); - Some(self.insert(value)) + let ty = rvalue.ty(self.local_decls, self.tcx); + Some(self.insert(ty, value)) } fn simplify_discriminant(&mut self, place: VnIndex) -> Option { @@ -917,7 +895,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { { let enum_ty = self.tcx.type_of(enum_did).instantiate(self.tcx, enum_args); let discr = self.ecx.discriminant_for_variant(enum_ty, variant).discard_err()?; - return Some(self.insert_scalar(discr.to_scalar(), discr.layout.ty)); + return Some(self.insert_scalar(discr.layout.ty, discr.to_scalar())); } None @@ -1014,9 +992,11 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { rvalue: &mut Rvalue<'tcx>, location: Location, ) -> Option { + let tcx = self.tcx; + let ty = rvalue.ty(self.local_decls, tcx); + let Rvalue::Aggregate(box ref kind, ref mut field_ops) = *rvalue else { bug!() }; - let tcx = self.tcx; if field_ops.is_empty() { let is_zst = match *kind { AggregateKind::Array(..) @@ -1031,17 +1011,19 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { }; if is_zst { - let ty = rvalue.ty(self.local_decls, tcx); return Some(self.insert_constant(Const::zero_sized(ty))); } } let fields: Vec<_> = field_ops .iter_mut() - .map(|op| self.simplify_operand(op, location).unwrap_or_else(|| self.new_opaque())) + .map(|op| { + self.simplify_operand(op, location) + .unwrap_or_else(|| self.new_opaque(op.ty(self.local_decls, self.tcx))) + }) .collect(); - let (ty, variant_index) = match *kind { + let (aty, variant_index) = match *kind { AggregateKind::Array(..) => { assert!(!field_ops.is_empty()); (AggregateTy::Array, FIRST_VARIANT) @@ -1058,10 +1040,9 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { } // Do not track unions. AggregateKind::Adt(_, _, _, _, Some(_)) => return None, - AggregateKind::RawPtr(pointee_ty, mtbl) => { + AggregateKind::RawPtr(..) => { assert_eq!(field_ops.len(), 2); let mut data_pointer_ty = field_ops[FieldIdx::ZERO].ty(self.local_decls, self.tcx); - let output_pointer_ty = Ty::new_ptr(self.tcx, pointee_ty, mtbl); let [mut pointer, metadata] = fields.try_into().unwrap(); @@ -1074,7 +1055,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { to: _, } = self.get(pointer) && let ty::RawPtr(from_pointee_ty, from_mtbl) = cast_from.kind() - && let ty::RawPtr(_, output_mtbl) = output_pointer_ty.kind() + && let ty::RawPtr(_, output_mtbl) = ty.kind() && from_mtbl == output_mtbl && from_pointee_ty.is_sized(self.tcx, self.typing_env()) { @@ -1087,16 +1068,14 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { field_ops[FieldIdx::ZERO] = op; } - return Some(self.insert(Value::RawPtr { - output_pointer_ty, - data_pointer_ty, - pointer, - metadata, - })); + return Some(self.insert( + ty, + Value::RawPtr { output_pointer_ty: ty, data_pointer_ty, pointer, metadata }, + )); } }; - if let AggregateTy::Array = ty + if let AggregateTy::Array = aty && fields.len() > 4 { let first = fields[0]; @@ -1105,18 +1084,18 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { if let Some(op) = self.try_as_operand(first, location) { *rvalue = Rvalue::Repeat(op, len); } - return Some(self.insert(Value::Repeat(first, len))); + return Some(self.insert(ty, Value::Repeat(first, len))); } } - if let AggregateTy::Def(_, _) = ty + if let AggregateTy::Def(_, _) = aty && let Some(value) = self.simplify_aggregate_to_copy(lhs, rvalue, location, &fields, variant_index) { return Some(value); } - Some(self.insert(Value::Aggregate(ty, variant_index, fields))) + Some(self.insert(ty, Value::Aggregate(aty, variant_index, fields))) } #[instrument(level = "trace", skip(self), ret)] @@ -1197,7 +1176,8 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { } _ => Value::UnaryOp(op, arg_index), }; - Some(self.insert(value)) + let ty = op.ty(self.tcx, self.ty(arg_index)); + Some(self.insert(ty, value)) } #[instrument(level = "trace", skip(self), ret)] @@ -1243,8 +1223,9 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { if let Some(value) = self.simplify_binary_inner(op, lhs_ty, lhs, rhs) { return Some(value); } + let ty = op.ty(self.tcx, self.ty(lhs), self.ty(rhs)); let value = Value::BinaryOp(op, lhs, rhs); - Some(self.insert(value)) + Some(self.insert(ty, value)) } fn simplify_binary_inner( @@ -1336,19 +1317,19 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { | BinOp::Shr, Left(0), _, - ) => self.insert_scalar(Scalar::from_uint(0u128, layout.size), lhs_ty), + ) => self.insert_scalar(lhs_ty, Scalar::from_uint(0u128, layout.size)), // Attempt to simplify `x | ALL_ONES` to `ALL_ONES`. (BinOp::BitOr, _, Left(ones)) | (BinOp::BitOr, Left(ones), _) if ones == layout.size.truncate(u128::MAX) || (layout.ty.is_bool() && ones == 1) => { - self.insert_scalar(Scalar::from_uint(ones, layout.size), lhs_ty) + self.insert_scalar(lhs_ty, Scalar::from_uint(ones, layout.size)) } // Sub/Xor with itself. (BinOp::Sub | BinOp::SubWithOverflow | BinOp::SubUnchecked | BinOp::BitXor, a, b) if a == b => { - self.insert_scalar(Scalar::from_uint(0u128, layout.size), lhs_ty) + self.insert_scalar(lhs_ty, Scalar::from_uint(0u128, layout.size)) } // Comparison: // - if both operands can be computed as bits, just compare the bits; @@ -1362,8 +1343,9 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { }; if op.is_overflowing() { + let ty = Ty::new_tup(self.tcx, &[self.ty(result), self.tcx.types.bool]); let false_val = self.insert_bool(false); - Some(self.insert_tuple(vec![result, false_val])) + Some(self.insert_tuple(ty, vec![result, false_val])) } else { Some(result) } @@ -1389,7 +1371,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { if let CastKind::PointerCoercion(ReifyFnPointer | ClosureFnPointer(_), _) = kind { // Each reification of a generic fn may get a different pointer. // Do not try to merge them. - return Some(self.new_opaque()); + return Some(self.new_opaque(to)); } let mut was_ever_updated = false; @@ -1497,7 +1479,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { *initial_kind = kind; } - Some(self.insert(Value::Cast { kind, value, from, to })) + Some(self.insert(to, Value::Cast { kind, value, from, to })) } fn simplify_len(&mut self, place: &mut Place<'tcx>, location: Location) -> Option { @@ -1530,7 +1512,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { } // Fallback: a symbolic `Len`. - Some(self.insert(Value::Len(inner))) + Some(self.insert(self.tcx.types.usize, Value::Len(inner))) } fn pointers_have_same_metadata(&self, left_ptr_ty: Ty<'tcx>, right_ptr_ty: Ty<'tcx>) -> bool { @@ -1807,11 +1789,12 @@ impl<'tcx> MutVisitor<'tcx> for VnState<'_, 'tcx> { if let Some(local) = lhs.as_local() && self.ssa.is_ssa(local) + && let rvalue_ty = rvalue.ty(self.local_decls, self.tcx) // FIXME(#112651) `rvalue` may have a subtype to `local`. We can only mark // `local` as reusable if we have an exact type match. - && self.local_decls[local].ty == rvalue.ty(self.local_decls, self.tcx) + && self.local_decls[local].ty == rvalue_ty { - let value = value.unwrap_or_else(|| self.new_opaque()); + let value = value.unwrap_or_else(|| self.new_opaque(rvalue_ty)); self.assign(local, value); } } @@ -1821,7 +1804,8 @@ impl<'tcx> MutVisitor<'tcx> for VnState<'_, 'tcx> { if let Some(local) = destination.as_local() && self.ssa.is_ssa(local) { - let opaque = self.new_opaque(); + let ty = self.local_decls[local].ty; + let opaque = self.new_opaque(ty); self.assign(local, opaque); } } diff --git a/tests/mir-opt/const_prop/transmute.rs b/tests/mir-opt/const_prop/transmute.rs index 892b91a5414c..33cbefbf053f 100644 --- a/tests/mir-opt/const_prop/transmute.rs +++ b/tests/mir-opt/const_prop/transmute.rs @@ -56,7 +56,7 @@ pub unsafe fn undef_union_as_integer() -> u32 { pub unsafe fn unreachable_direct() -> ! { // CHECK-LABEL: fn unreachable_direct( // CHECK: = const (); - // CHECK: = const () as Never (Transmute); + // CHECK: = const ZeroSized: Never; let x: Never = unsafe { transmute(()) }; match x {} } diff --git a/tests/mir-opt/const_prop/transmute.unreachable_direct.GVN.32bit.diff b/tests/mir-opt/const_prop/transmute.unreachable_direct.GVN.32bit.diff index 3364782022dc..5aeb55a5a6a5 100644 --- a/tests/mir-opt/const_prop/transmute.unreachable_direct.GVN.32bit.diff +++ b/tests/mir-opt/const_prop/transmute.unreachable_direct.GVN.32bit.diff @@ -15,7 +15,7 @@ - _2 = (); - _1 = move _2 as Never (Transmute); + _2 = const (); -+ _1 = const () as Never (Transmute); ++ _1 = const ZeroSized: Never; unreachable; } } diff --git a/tests/mir-opt/const_prop/transmute.unreachable_direct.GVN.64bit.diff b/tests/mir-opt/const_prop/transmute.unreachable_direct.GVN.64bit.diff index 3364782022dc..5aeb55a5a6a5 100644 --- a/tests/mir-opt/const_prop/transmute.unreachable_direct.GVN.64bit.diff +++ b/tests/mir-opt/const_prop/transmute.unreachable_direct.GVN.64bit.diff @@ -15,7 +15,7 @@ - _2 = (); - _1 = move _2 as Never (Transmute); + _2 = const (); -+ _1 = const () as Never (Transmute); ++ _1 = const ZeroSized: Never; unreachable; } } diff --git a/tests/mir-opt/gvn.generic_cast_metadata.GVN.panic-abort.diff b/tests/mir-opt/gvn.generic_cast_metadata.GVN.panic-abort.diff index 770c67307753..ffe4a0272b4b 100644 --- a/tests/mir-opt/gvn.generic_cast_metadata.GVN.panic-abort.diff +++ b/tests/mir-opt/gvn.generic_cast_metadata.GVN.panic-abort.diff @@ -18,7 +18,8 @@ bb0: { _4 = copy _1 as *const T (PtrToPtr); - _5 = PtrMetadata(copy _4); +- _5 = PtrMetadata(copy _4); ++ _5 = const (); _6 = copy _1 as *const (&A, [T]) (PtrToPtr); - _7 = PtrMetadata(copy _6); + _7 = PtrMetadata(copy _1); diff --git a/tests/mir-opt/gvn.generic_cast_metadata.GVN.panic-unwind.diff b/tests/mir-opt/gvn.generic_cast_metadata.GVN.panic-unwind.diff index 770c67307753..ffe4a0272b4b 100644 --- a/tests/mir-opt/gvn.generic_cast_metadata.GVN.panic-unwind.diff +++ b/tests/mir-opt/gvn.generic_cast_metadata.GVN.panic-unwind.diff @@ -18,7 +18,8 @@ bb0: { _4 = copy _1 as *const T (PtrToPtr); - _5 = PtrMetadata(copy _4); +- _5 = PtrMetadata(copy _4); ++ _5 = const (); _6 = copy _1 as *const (&A, [T]) (PtrToPtr); - _7 = PtrMetadata(copy _6); + _7 = PtrMetadata(copy _1); diff --git a/tests/mir-opt/gvn.rs b/tests/mir-opt/gvn.rs index 6ef320c90de1..5d348bc3c1e4 100644 --- a/tests/mir-opt/gvn.rs +++ b/tests/mir-opt/gvn.rs @@ -869,7 +869,7 @@ fn generic_cast_metadata(ps: *const [T], pa: *const A, // Metadata usize -> (), do not optimize. // CHECK: [[T:_.+]] = copy _1 as - // CHECK-NEXT: PtrMetadata(copy [[T]]) + // CHECK-NEXT: const (); let t1 = CastPtrToPtr::<_, *const T>(ps); let m1 = PtrMetadata(t1); From 4750dff54eab52a308a1a1afd85b4614d652841a Mon Sep 17 00:00:00 2001 From: Camille GILLOT Date: Mon, 30 Jun 2025 19:50:11 +0000 Subject: [PATCH 019/157] Remove extraneous types. --- compiler/rustc_mir_transform/src/gvn.rs | 209 +++++++----------- ...ted_loop.PreCodegen.after.panic-unwind.mir | 5 +- 2 files changed, 80 insertions(+), 134 deletions(-) diff --git a/compiler/rustc_mir_transform/src/gvn.rs b/compiler/rustc_mir_transform/src/gvn.rs index 3e4c05b355f6..e081d1fde93b 100644 --- a/compiler/rustc_mir_transform/src/gvn.rs +++ b/compiler/rustc_mir_transform/src/gvn.rs @@ -105,7 +105,6 @@ use rustc_middle::mir::*; use rustc_middle::ty::layout::{HasTypingEnv, LayoutOf}; use rustc_middle::ty::{self, Ty, TyCtxt}; use rustc_span::DUMMY_SP; -use rustc_span::def_id::DefId; use smallvec::SmallVec; use tracing::{debug, instrument, trace}; @@ -155,16 +154,6 @@ newtype_index! { struct VnIndex {} } -/// Computing the aggregate's type can be quite slow, so we only keep the minimal amount of -/// information to reconstruct it when needed. -#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)] -enum AggregateTy<'tcx> { - /// Invariant: this must not be used for an empty array. - Array, - Tuple, - Def(DefId, ty::GenericArgsRef<'tcx>), -} - #[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)] enum AddressKind { Ref(BorrowKind), @@ -187,17 +176,13 @@ enum Value<'tcx> { }, /// An aggregate value, either tuple/closure/struct/enum. /// This does not contain unions, as we cannot reason with the value. - Aggregate(AggregateTy<'tcx>, VariantIdx, Vec), + Aggregate(VariantIdx, Vec), /// A raw pointer aggregate built from a thin pointer and metadata. RawPtr { /// Thin pointer component. This is field 0 in MIR. pointer: VnIndex, /// Metadata component. This is field 1 in MIR. metadata: VnIndex, - /// Needed for cast propagation. - data_pointer_ty: Ty<'tcx>, - /// The data pointer can be anything thin, so doesn't determine the output. - output_pointer_ty: Ty<'tcx>, }, /// This corresponds to a `[value; count]` expression. Repeat(VnIndex, ty::Const<'tcx>), @@ -211,7 +196,7 @@ enum Value<'tcx> { // Extractions. /// This is the *value* obtained by projecting another value. - Projection(VnIndex, ProjectionElem>), + Projection(VnIndex, ProjectionElem), /// Discriminant of the given value. Discriminant(VnIndex), /// Length of an array or slice. @@ -224,8 +209,6 @@ enum Value<'tcx> { Cast { kind: CastKind, value: VnIndex, - from: Ty<'tcx>, - to: Ty<'tcx>, }, } @@ -377,7 +360,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { } fn insert_tuple(&mut self, ty: Ty<'tcx>, values: Vec) -> VnIndex { - self.insert(ty, Value::Aggregate(AggregateTy::Tuple, VariantIdx::ZERO, values)) + self.insert(ty, Value::Aggregate(VariantIdx::ZERO, values)) } fn insert_deref(&mut self, ty: Ty<'tcx>, value: VnIndex) -> VnIndex { @@ -408,7 +391,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { Constant { ref value, disambiguator: _ } => { self.ecx.eval_mir_constant(value, DUMMY_SP, None).discard_err()? } - Aggregate(_, variant, ref fields) => { + Aggregate(variant, ref fields) => { let fields = fields .iter() .map(|&f| self.evaluated[f].as_ref()) @@ -440,7 +423,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { return None; } } - RawPtr { pointer, metadata, output_pointer_ty: _, data_pointer_ty: _ } => { + RawPtr { pointer, metadata } => { let pointer = self.evaluated[pointer].as_ref()?; let metadata = self.evaluated[metadata].as_ref()?; @@ -456,28 +439,28 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { } Projection(base, elem) => { - let value = self.evaluated[base].as_ref()?; + let base = self.evaluated[base].as_ref()?; let elem = match elem { ProjectionElem::Deref => ProjectionElem::Deref, ProjectionElem::Downcast(name, read_variant) => { ProjectionElem::Downcast(name, read_variant) } - ProjectionElem::Field(f, ty) => ProjectionElem::Field(f, ty), + ProjectionElem::Field(f, ()) => ProjectionElem::Field(f, ty.ty), ProjectionElem::ConstantIndex { offset, min_length, from_end } => { ProjectionElem::ConstantIndex { offset, min_length, from_end } } ProjectionElem::Subslice { from, to, from_end } => { ProjectionElem::Subslice { from, to, from_end } } - ProjectionElem::OpaqueCast(ty) => ProjectionElem::OpaqueCast(ty), - ProjectionElem::Subtype(ty) => ProjectionElem::Subtype(ty), - ProjectionElem::UnwrapUnsafeBinder(ty) => { - ProjectionElem::UnwrapUnsafeBinder(ty) + ProjectionElem::OpaqueCast(()) => ProjectionElem::OpaqueCast(ty.ty), + ProjectionElem::Subtype(()) => ProjectionElem::Subtype(ty.ty), + ProjectionElem::UnwrapUnsafeBinder(()) => { + ProjectionElem::UnwrapUnsafeBinder(ty.ty) } // This should have been replaced by a `ConstantIndex` earlier. ProjectionElem::Index(_) => return None, }; - self.ecx.project(value, elem).discard_err()? + self.ecx.project(base, elem).discard_err()? } Address { place, kind: _, provenance: _ } => { if !place.is_indirect_first_projection() { @@ -544,7 +527,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { let val = self.ecx.binary_op(bin_op, &lhs, &rhs).discard_err()?; val.into() } - Cast { kind, value, from: _, to: _ } => match kind { + Cast { kind, value } => match kind { CastKind::IntToInt | CastKind::IntToFloat => { let value = self.evaluated[value].as_ref()?; let value = self.ecx.read_immediate(value).discard_err()?; @@ -633,11 +616,11 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { } } ProjectionElem::Downcast(name, index) => ProjectionElem::Downcast(name, index), - ProjectionElem::Field(f, ty) => { - if let Value::Aggregate(_, _, fields) = self.get(value) { + ProjectionElem::Field(f, _) => { + if let Value::Aggregate(_, fields) = self.get(value) { return Some((projection_ty, fields[f.as_usize()])); } else if let Value::Projection(outer_value, ProjectionElem::Downcast(_, read_variant)) = self.get(value) - && let Value::Aggregate(_, written_variant, fields) = self.get(*outer_value) + && let Value::Aggregate(written_variant, fields) = self.get(*outer_value) // This pass is not aware of control-flow, so we do not know whether the // replacement we are doing is actually reachable. We could be in any arm of // ``` @@ -657,7 +640,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { { return Some((projection_ty, fields[f.as_usize()])); } - ProjectionElem::Field(f, ty) + ProjectionElem::Field(f, ()) } ProjectionElem::Index(idx) => { if let Value::Repeat(inner, _) = self.get(value) { @@ -672,7 +655,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { Value::Repeat(inner, _) => { return Some((projection_ty, *inner)); } - Value::Aggregate(AggregateTy::Array, _, operands) => { + Value::Aggregate(_, operands) => { let offset = if from_end { operands.len() - offset as usize } else { @@ -688,9 +671,9 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { ProjectionElem::Subslice { from, to, from_end } => { ProjectionElem::Subslice { from, to, from_end } } - ProjectionElem::OpaqueCast(ty) => ProjectionElem::OpaqueCast(ty), - ProjectionElem::Subtype(ty) => ProjectionElem::Subtype(ty), - ProjectionElem::UnwrapUnsafeBinder(ty) => ProjectionElem::UnwrapUnsafeBinder(ty), + ProjectionElem::OpaqueCast(_) => ProjectionElem::OpaqueCast(()), + ProjectionElem::Subtype(_) => ProjectionElem::Subtype(()), + ProjectionElem::UnwrapUnsafeBinder(_) => ProjectionElem::UnwrapUnsafeBinder(()), }; let value = self.insert(projection_ty.ty, Value::Projection(value, proj)); @@ -852,14 +835,9 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { self.simplify_place_projection(place, location); return Some(self.new_pointer(*place, AddressKind::Address(mutbl))); } - Rvalue::WrapUnsafeBinder(ref mut op, ty) => { + Rvalue::WrapUnsafeBinder(ref mut op, _) => { let value = self.simplify_operand(op, location)?; - Value::Cast { - kind: CastKind::Transmute, - value, - from: op.ty(self.local_decls, self.tcx), - to: ty, - } + Value::Cast { kind: CastKind::Transmute, value } } // Operations. @@ -889,11 +867,10 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { } fn simplify_discriminant(&mut self, place: VnIndex) -> Option { - if let Value::Aggregate(enum_ty, variant, _) = *self.get(place) - && let AggregateTy::Def(enum_did, enum_args) = enum_ty - && let DefKind::Enum = self.tcx.def_kind(enum_did) + let enum_ty = self.ty(place); + if enum_ty.is_enum() + && let Value::Aggregate(variant, _) = *self.get(place) { - let enum_ty = self.tcx.type_of(enum_did).instantiate(self.tcx, enum_args); let discr = self.ecx.discriminant_for_variant(enum_ty, variant).discard_err()?; return Some(self.insert_scalar(discr.layout.ty, discr.to_scalar())); } @@ -903,12 +880,13 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { fn try_as_place_elem( &mut self, - proj: ProjectionElem>, + ty: Ty<'tcx>, + proj: ProjectionElem, loc: Location, ) -> Option> { Some(match proj { ProjectionElem::Deref => ProjectionElem::Deref, - ProjectionElem::Field(idx, ty) => ProjectionElem::Field(idx, ty), + ProjectionElem::Field(idx, ()) => ProjectionElem::Field(idx, ty), ProjectionElem::Index(idx) => { let Some(local) = self.try_as_local(idx, loc) else { return None; @@ -923,9 +901,9 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { ProjectionElem::Subslice { from, to, from_end } } ProjectionElem::Downcast(symbol, idx) => ProjectionElem::Downcast(symbol, idx), - ProjectionElem::OpaqueCast(idx) => ProjectionElem::OpaqueCast(idx), - ProjectionElem::Subtype(idx) => ProjectionElem::Subtype(idx), - ProjectionElem::UnwrapUnsafeBinder(ty) => ProjectionElem::UnwrapUnsafeBinder(ty), + ProjectionElem::OpaqueCast(()) => ProjectionElem::OpaqueCast(ty), + ProjectionElem::Subtype(()) => ProjectionElem::Subtype(ty), + ProjectionElem::UnwrapUnsafeBinder(()) => ProjectionElem::UnwrapUnsafeBinder(ty), }) } @@ -971,8 +949,8 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { // Allow introducing places with non-constant offsets, as those are still better than // reconstructing an aggregate. - if let Some(place) = self.try_as_place(copy_from_local_value, location, true) - && rvalue.ty(self.local_decls, self.tcx) == place.ty(self.local_decls, self.tcx).ty + if self.ty(copy_from_local_value) == rvalue.ty(self.local_decls, self.tcx) + && let Some(place) = self.try_as_place(copy_from_local_value, location, true) { // Avoid creating `*a = copy (*b)`, as they might be aliases resulting in overlapping assignments. // FIXME: This also avoids any kind of projection, not just derefs. We can add allowed projections. @@ -1023,44 +1001,31 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { }) .collect(); - let (aty, variant_index) = match *kind { - AggregateKind::Array(..) => { + let variant_index = match *kind { + AggregateKind::Array(..) | AggregateKind::Tuple => { assert!(!field_ops.is_empty()); - (AggregateTy::Array, FIRST_VARIANT) - } - AggregateKind::Tuple => { - assert!(!field_ops.is_empty()); - (AggregateTy::Tuple, FIRST_VARIANT) - } - AggregateKind::Closure(did, args) - | AggregateKind::CoroutineClosure(did, args) - | AggregateKind::Coroutine(did, args) => (AggregateTy::Def(did, args), FIRST_VARIANT), - AggregateKind::Adt(did, variant_index, args, _, None) => { - (AggregateTy::Def(did, args), variant_index) + FIRST_VARIANT } + AggregateKind::Closure(..) + | AggregateKind::CoroutineClosure(..) + | AggregateKind::Coroutine(..) => FIRST_VARIANT, + AggregateKind::Adt(_, variant_index, _, _, None) => variant_index, // Do not track unions. AggregateKind::Adt(_, _, _, _, Some(_)) => return None, AggregateKind::RawPtr(..) => { assert_eq!(field_ops.len(), 2); - let mut data_pointer_ty = field_ops[FieldIdx::ZERO].ty(self.local_decls, self.tcx); - let [mut pointer, metadata] = fields.try_into().unwrap(); // Any thin pointer of matching mutability is fine as the data pointer. let mut was_updated = false; - while let Value::Cast { - kind: CastKind::PtrToPtr, - value: cast_value, - from: cast_from, - to: _, - } = self.get(pointer) - && let ty::RawPtr(from_pointee_ty, from_mtbl) = cast_from.kind() + while let Value::Cast { kind: CastKind::PtrToPtr, value: cast_value } = + self.get(pointer) + && let ty::RawPtr(from_pointee_ty, from_mtbl) = self.ty(*cast_value).kind() && let ty::RawPtr(_, output_mtbl) = ty.kind() && from_mtbl == output_mtbl && from_pointee_ty.is_sized(self.tcx, self.typing_env()) { pointer = *cast_value; - data_pointer_ty = *cast_from; was_updated = true; } @@ -1068,16 +1033,11 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { field_ops[FieldIdx::ZERO] = op; } - return Some(self.insert( - ty, - Value::RawPtr { output_pointer_ty: ty, data_pointer_ty, pointer, metadata }, - )); + return Some(self.insert(ty, Value::RawPtr { pointer, metadata })); } }; - if let AggregateTy::Array = aty - && fields.len() > 4 - { + if ty.is_array() && fields.len() > 4 { let first = fields[0]; if fields.iter().all(|&v| v == first) { let len = ty::Const::from_target_usize(self.tcx, fields.len().try_into().unwrap()); @@ -1088,14 +1048,13 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { } } - if let AggregateTy::Def(_, _) = aty - && let Some(value) = - self.simplify_aggregate_to_copy(lhs, rvalue, location, &fields, variant_index) + if let Some(value) = + self.simplify_aggregate_to_copy(lhs, rvalue, location, &fields, variant_index) { return Some(value); } - Some(self.insert(ty, Value::Aggregate(aty, variant_index, fields))) + Some(self.insert(ty, Value::Aggregate(variant_index, fields))) } #[instrument(level = "trace", skip(self), ret)] @@ -1106,6 +1065,8 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { location: Location, ) -> Option { let mut arg_index = self.simplify_operand(arg_op, location)?; + let arg_ty = self.ty(arg_index); + let ret_ty = op.ty(self.tcx, arg_ty); // PtrMetadata doesn't care about *const vs *mut vs & vs &mut, // so start by removing those distinctions so we can update the `Operand` @@ -1121,8 +1082,8 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { // we can't always know exactly what the metadata are. // To allow things like `*mut (?A, ?T)` <-> `*mut (?B, ?T)`, // it's fine to get a projection as the type. - Value::Cast { kind: CastKind::PtrToPtr, value: inner, from, to } - if self.pointers_have_same_metadata(*from, *to) => + Value::Cast { kind: CastKind::PtrToPtr, value: inner } + if self.pointers_have_same_metadata(self.ty(*inner), arg_ty) => { arg_index = *inner; was_updated = true; @@ -1165,19 +1126,16 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { UnOp::PtrMetadata, Value::Cast { kind: CastKind::PointerCoercion(ty::adjustment::PointerCoercion::Unsize, _), - from, - to, - .. + value: inner, }, - ) if let ty::Slice(..) = to.builtin_deref(true).unwrap().kind() - && let ty::Array(_, len) = from.builtin_deref(true).unwrap().kind() => + ) if let ty::Slice(..) = arg_ty.builtin_deref(true).unwrap().kind() + && let ty::Array(_, len) = self.ty(*inner).builtin_deref(true).unwrap().kind() => { return Some(self.insert_constant(Const::Ty(self.tcx.types.usize, *len))); } _ => Value::UnaryOp(op, arg_index), }; - let ty = op.ty(self.tcx, self.ty(arg_index)); - Some(self.insert(ty, value)) + Some(self.insert(ret_ty, value)) } #[instrument(level = "trace", skip(self), ret)] @@ -1190,25 +1148,23 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { ) -> Option { let lhs = self.simplify_operand(lhs_operand, location); let rhs = self.simplify_operand(rhs_operand, location); + // Only short-circuit options after we called `simplify_operand` // on both operands for side effect. let mut lhs = lhs?; let mut rhs = rhs?; - let lhs_ty = lhs_operand.ty(self.local_decls, self.tcx); + let lhs_ty = self.ty(lhs); // If we're comparing pointers, remove `PtrToPtr` casts if the from // types of both casts and the metadata all match. if let BinOp::Eq | BinOp::Ne | BinOp::Lt | BinOp::Le | BinOp::Gt | BinOp::Ge = op && lhs_ty.is_any_ptr() - && let Value::Cast { - kind: CastKind::PtrToPtr, value: lhs_value, from: lhs_from, .. - } = self.get(lhs) - && let Value::Cast { - kind: CastKind::PtrToPtr, value: rhs_value, from: rhs_from, .. - } = self.get(rhs) - && lhs_from == rhs_from - && self.pointers_have_same_metadata(*lhs_from, lhs_ty) + && let Value::Cast { kind: CastKind::PtrToPtr, value: lhs_value } = self.get(lhs) + && let Value::Cast { kind: CastKind::PtrToPtr, value: rhs_value } = self.get(rhs) + && let lhs_from = self.ty(*lhs_value) + && lhs_from == self.ty(*rhs_value) + && self.pointers_have_same_metadata(lhs_from, lhs_ty) { lhs = *lhs_value; rhs = *rhs_value; @@ -1223,7 +1179,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { if let Some(value) = self.simplify_binary_inner(op, lhs_ty, lhs, rhs) { return Some(value); } - let ty = op.ty(self.tcx, self.ty(lhs), self.ty(rhs)); + let ty = op.ty(self.tcx, lhs_ty, self.ty(rhs)); let value = Value::BinaryOp(op, lhs, rhs); Some(self.insert(ty, value)) } @@ -1361,9 +1317,9 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { use CastKind::*; use rustc_middle::ty::adjustment::PointerCoercion::*; - let mut from = initial_operand.ty(self.local_decls, self.tcx); let mut kind = *initial_kind; let mut value = self.simplify_operand(initial_operand, location)?; + let mut from = self.ty(value); if from == to { return Some(value); } @@ -1394,14 +1350,14 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { // If a cast just casts away the metadata again, then we can get it by // casting the original thin pointer passed to `from_raw_parts` if let PtrToPtr = kind - && let Value::RawPtr { data_pointer_ty, pointer, .. } = self.get(value) + && let Value::RawPtr { pointer, .. } = self.get(value) && let ty::RawPtr(to_pointee, _) = to.kind() && to_pointee.is_sized(self.tcx, self.typing_env()) { - from = *data_pointer_ty; + from = self.ty(*pointer); value = *pointer; was_updated_this_iteration = true; - if *data_pointer_ty == to { + if from == to { return Some(*pointer); } } @@ -1409,7 +1365,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { // Aggregate-then-Transmute can just transmute the original field value, // so long as the bytes of a value from only from a single field. if let Transmute = kind - && let Value::Aggregate(_aggregate_ty, variant_idx, field_values) = self.get(value) + && let Value::Aggregate(variant_idx, field_values) = self.get(value) && let Some((field_idx, field_ty)) = self.value_is_all_in_one_field(from, *variant_idx) { @@ -1422,13 +1378,8 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { } // Various cast-then-cast cases can be simplified. - if let Value::Cast { - kind: inner_kind, - value: inner_value, - from: inner_from, - to: inner_to, - } = *self.get(value) - { + if let Value::Cast { kind: inner_kind, value: inner_value } = *self.get(value) { + let inner_from = self.ty(inner_value); let new_kind = match (inner_kind, kind) { // Even if there's a narrowing cast in here that's fine, because // things like `*mut [i32] -> *mut i32 -> *const i32` and @@ -1437,9 +1388,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { // PtrToPtr-then-Transmute is fine so long as the pointer cast is identity: // `*const T -> *mut T -> NonNull` is fine, but we need to check for narrowing // to skip things like `*const [i32] -> *const i32 -> NonNull`. - (PtrToPtr, Transmute) - if self.pointers_have_same_metadata(inner_from, inner_to) => - { + (PtrToPtr, Transmute) if self.pointers_have_same_metadata(inner_from, from) => { Some(Transmute) } // Similarly, for Transmute-then-PtrToPtr. Note that we need to check different @@ -1450,7 +1399,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { // If would be legal to always do this, but we don't want to hide information // from the backend that it'd otherwise be able to use for optimizations. (Transmute, Transmute) - if !self.type_may_have_niche_of_interest_to_backend(inner_to) => + if !self.type_may_have_niche_of_interest_to_backend(from) => { Some(Transmute) } @@ -1479,7 +1428,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { *initial_kind = kind; } - Some(self.insert(to, Value::Cast { kind, value, from, to })) + Some(self.insert(to, Value::Cast { kind, value })) } fn simplify_len(&mut self, place: &mut Place<'tcx>, location: Location) -> Option { @@ -1501,11 +1450,11 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { } // We have an unsizing cast, which assigns the length to wide pointer metadata. - if let Value::Cast { kind, from, to, .. } = self.get(inner) + if let Value::Cast { kind, value: from } = self.get(inner) && let CastKind::PointerCoercion(ty::adjustment::PointerCoercion::Unsize, _) = kind - && let Some(from) = from.builtin_deref(true) + && let Some(from) = self.ty(*from).builtin_deref(true) && let ty::Array(_, len) = from.kind() - && let Some(to) = to.builtin_deref(true) + && let Some(to) = self.ty(inner).builtin_deref(true) && let ty::Slice(..) = to.kind() { return Some(self.insert_constant(Const::Ty(self.tcx.types.usize, *len))); @@ -1721,7 +1670,7 @@ impl<'tcx> VnState<'_, 'tcx> { return Some(place); } else if let Value::Projection(pointer, proj) = *self.get(index) && (allow_complex_projection || proj.is_stable_offset()) - && let Some(proj) = self.try_as_place_elem(proj, loc) + && let Some(proj) = self.try_as_place_elem(self.ty(index), proj, loc) { projection.push(proj); index = pointer; diff --git a/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-unwind.mir index 3b58f1d61f4b..8c5fbda63921 100644 --- a/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-unwind.mir +++ b/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-unwind.mir @@ -109,7 +109,6 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { } bb4: { - StorageLive(_15); _14 = &mut _13; _15 = > as Iterator>::next(move _14) -> [return: bb5, unwind: bb11]; } @@ -120,7 +119,6 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { } bb6: { - StorageDead(_15); StorageDead(_13); drop(_2) -> [return: bb7, unwind continue]; } @@ -135,14 +133,13 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { StorageLive(_19); _19 = &_2; StorageLive(_20); - _20 = (copy _17, copy _18); + _20 = copy ((_15 as Some).0: (usize, &T)); _21 = >::call(move _19, move _20) -> [return: bb9, unwind: bb11]; } bb9: { StorageDead(_20); StorageDead(_19); - StorageDead(_15); goto -> bb4; } From cbc3cf716e16c20ba8fb652f8a41dc1d62f03f66 Mon Sep 17 00:00:00 2001 From: Camille GILLOT Date: Tue, 1 Jul 2025 12:06:39 +0000 Subject: [PATCH 020/157] Avoid computing layouts inside coroutines. --- compiler/rustc_mir_transform/src/gvn.rs | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/compiler/rustc_mir_transform/src/gvn.rs b/compiler/rustc_mir_transform/src/gvn.rs index e081d1fde93b..461aa7e5284f 100644 --- a/compiler/rustc_mir_transform/src/gvn.rs +++ b/compiler/rustc_mir_transform/src/gvn.rs @@ -216,6 +216,7 @@ struct VnState<'body, 'tcx> { tcx: TyCtxt<'tcx>, ecx: InterpCx<'tcx, DummyMachine>, local_decls: &'body LocalDecls<'tcx>, + is_coroutine: bool, /// Value stored in each local. locals: IndexVec>, /// Locals that are assigned that value. @@ -253,6 +254,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { tcx, ecx: InterpCx::new(tcx, DUMMY_SP, typing_env, DummyMachine), local_decls, + is_coroutine: body.coroutine.is_some(), locals: IndexVec::from_elem(None, local_decls), rev_locals: IndexVec::with_capacity(num_values), values: FxIndexSet::with_capacity_and_hasher(num_values, Default::default()), @@ -380,7 +382,12 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { fn eval_to_const(&mut self, value: VnIndex) -> Option> { use Value::*; let ty = self.ty(value); - let ty = self.ecx.layout_of(ty).ok()?; + // Avoid computing layouts inside a coroutine, as that can cause cycles. + let ty = if !self.is_coroutine || ty.is_scalar() { + self.ecx.layout_of(ty).ok()? + } else { + return None; + }; let op = match *self.get(value) { _ if ty.is_zst() => ImmTy::uninit(ty).into(), From 1d2b874b847e2d59a7deb639ef79999b87ee2837 Mon Sep 17 00:00:00 2001 From: Antoni Boucher Date: Tue, 1 Jul 2025 18:29:17 -0400 Subject: [PATCH 021/157] Remove OVERWRITE_TARGET_TRIPLE env var now that config.sh is gone --- .github/workflows/m68k.yml | 13 ++++++++++--- build_system/src/config.rs | 12 ++++++++---- doc/tips.md | 4 ++-- 3 files changed, 20 insertions(+), 9 deletions(-) diff --git a/.github/workflows/m68k.yml b/.github/workflows/m68k.yml index 245bee7f2a3b..4a8ccebaf797 100644 --- a/.github/workflows/m68k.yml +++ b/.github/workflows/m68k.yml @@ -14,8 +14,6 @@ permissions: env: # Enable backtraces for easier debugging RUST_BACKTRACE: 1 - # TODO: remove when confish.sh is removed. - OVERWRITE_TARGET_TRIPLE: m68k-unknown-linux-gnu jobs: build: @@ -106,7 +104,16 @@ jobs: - name: Run tests run: | - ./y.sh test --release --clean --build-sysroot --sysroot-features compiler_builtins/no-f16-f128 ${{ matrix.commands }} + ./y.sh test--target-triple m68k-unknown-linux-gnu --release --clean --build-sysroot --sysroot-features compiler_builtins/no-f16-f128 ${{ matrix.commands }} + + - name: Run Hello World! + run: | + ./y.sh build --target-triple m68k-unknown-linux-gnu + + cd tests/hello-world + ../../y.sh cargo build --target m68k-unknown-linux-gnu + ../../y.sh cargo run --target m68k-unknown-linux-gnu > hello_world_stdout + test $(cat hello_world_stdout) == "Hello, world!" || exit 1 # Summary job for the merge queue. # ALL THE PREVIOUS JOBS NEED TO BE ADDED TO THE `needs` SECTION OF THIS JOB! diff --git a/build_system/src/config.rs b/build_system/src/config.rs index 650c030ca539..121c43822fdb 100644 --- a/build_system/src/config.rs +++ b/build_system/src/config.rs @@ -352,10 +352,14 @@ impl ConfigInfo { None => return Err("no host found".to_string()), }; - if self.target_triple.is_empty() - && let Some(overwrite) = env.get("OVERWRITE_TARGET_TRIPLE") - { - self.target_triple = overwrite.clone(); + if self.target_triple.is_empty() { + // TODO: set target triple. + // TODO: why do we even need to set target_triple? + // It seems to only be needed for the linker (we could add an environment variable to + // remove this need) and the sysroot (perhaps we could find another way to find it). + // TODO TODO: seems like we would still need OVERWRITE_TARGET_TRIPLE when using a + // json spec file. + // ====> maybe not since we specify both --target and --target-triple. } if self.target_triple.is_empty() { self.target_triple = self.host_triple.clone(); diff --git a/doc/tips.md b/doc/tips.md index 86c22db186e0..4ab135f3df66 100644 --- a/doc/tips.md +++ b/doc/tips.md @@ -63,13 +63,13 @@ generate it in [gimple.md](./doc/gimple.md). * Run `./y.sh prepare --cross` so that the sysroot is patched for the cross-compiling case. * Set the path to the cross-compiling libgccjit in `gcc-path` (in `config.toml`). * Make sure you have the linker for your target (for instance `m68k-unknown-linux-gnu-gcc`) in your `$PATH`. Currently, the linker name is hardcoded as being `$TARGET-gcc`. Specify the target when building the sysroot: `./y.sh build --sysroot --target-triple m68k-unknown-linux-gnu`. - * Build your project by specifying the target: `OVERWRITE_TARGET_TRIPLE=m68k-unknown-linux-gnu ../y.sh cargo build --target m68k-unknown-linux-gnu`. + * Build your project by specifying the target: `../y.sh cargo build --target m68k-unknown-linux-gnu`. If the target is not yet supported by the Rust compiler, create a [target specification file](https://docs.rust-embedded.org/embedonomicon/custom-target.html) (note that the `arch` specified in this file must be supported by the rust compiler). Then, you can use it the following way: * Add the target specification file using `--target` as an **absolute** path to build the sysroot: `./y.sh build --sysroot --target-triple m68k-unknown-linux-gnu --target $(pwd)/m68k-unknown-linux-gnu.json` - * Build your project by specifying the target specification file: `OVERWRITE_TARGET_TRIPLE=m68k-unknown-linux-gnu ../y.sh cargo build --target path/to/m68k-unknown-linux-gnu.json`. + * Build your project by specifying the target specification file: `../y.sh cargo build --target path/to/m68k-unknown-linux-gnu.json`. If you get the following error: From 1bbe5946f231b4c05818fb18f9252b68af251498 Mon Sep 17 00:00:00 2001 From: Antoni Boucher Date: Tue, 1 Jul 2025 18:50:39 -0400 Subject: [PATCH 022/157] Fix installation of libgccjit for m68k --- .github/workflows/m68k.yml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/.github/workflows/m68k.yml b/.github/workflows/m68k.yml index 4a8ccebaf797..04e09dc7b8cc 100644 --- a/.github/workflows/m68k.yml +++ b/.github/workflows/m68k.yml @@ -57,7 +57,7 @@ jobs: - name: Setup path to libgccjit run: | - sudo dpkg -i gcc-m68k-15.deb + sudo dpkg --force-overwrite -i gcc-m68k-15.deb echo 'gcc-path = "/usr/lib/"' > config.toml - name: Set env From 89f0cb3bfc97473a33cb5ae073be6073fa0931b9 Mon Sep 17 00:00:00 2001 From: Antoni Boucher Date: Tue, 1 Jul 2025 19:03:08 -0400 Subject: [PATCH 023/157] Specify linker in m68k CI --- .github/workflows/m68k.yml | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/.github/workflows/m68k.yml b/.github/workflows/m68k.yml index 04e09dc7b8cc..249fb965be17 100644 --- a/.github/workflows/m68k.yml +++ b/.github/workflows/m68k.yml @@ -63,8 +63,6 @@ jobs: - name: Set env run: | echo "workspace="$GITHUB_WORKSPACE >> $GITHUB_ENV - - #- name: Cache rust repository ## We only clone the rust repository for rustc tests @@ -85,7 +83,7 @@ jobs: run: | ./y.sh prepare --only-libcore --cross ./y.sh build --sysroot --features compiler_builtins/no-f16-f128 --target-triple m68k-unknown-linux-gnu --target ${{ github.workspace }}/target_specs/m68k-unknown-linux-gnu.json - ./y.sh cargo build --manifest-path=./tests/hello-world/Cargo.toml --target ${{ github.workspace }}/target_specs/m68k-unknown-linux-gnu.json + CG_RUSTFLAGS="-Clinker=m68k-unknown-linux-gnu-gcc" ./y.sh cargo build --manifest-path=./tests/hello-world/Cargo.toml --target ${{ github.workspace }}/target_specs/m68k-unknown-linux-gnu.json ./y.sh clean all - name: Build From cf509d87d909c551c942b315ac16f2722a71db2e Mon Sep 17 00:00:00 2001 From: Antoni Boucher Date: Tue, 1 Jul 2025 19:17:18 -0400 Subject: [PATCH 024/157] Add missing --target-triple flags in m68k CI --- .github/workflows/m68k.yml | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/.github/workflows/m68k.yml b/.github/workflows/m68k.yml index 249fb965be17..b78f17c0e26b 100644 --- a/.github/workflows/m68k.yml +++ b/.github/workflows/m68k.yml @@ -90,8 +90,8 @@ jobs: run: | ./y.sh prepare --only-libcore --cross ./y.sh build --sysroot --features compiler_builtins/no-f16-f128 --target-triple m68k-unknown-linux-gnu - ./y.sh test --mini-tests - CG_GCC_TEST_TARGET=m68k-unknown-linux-gnu ./y.sh test --cargo-tests + ./y.sh test --mini-tests --target-triple m68k-unknown-linux-gnu + CG_GCC_TEST_TARGET=m68k-unknown-linux-gnu ./y.sh test --cargo-tests --target-triple m68k-unknown-linux-gnu ./y.sh clean all - name: Prepare dependencies From fec79b86a2fb9f7086229d1b94bafd204eec6c27 Mon Sep 17 00:00:00 2001 From: Antoni Boucher Date: Tue, 1 Jul 2025 19:35:39 -0400 Subject: [PATCH 025/157] Add missing space before --target-triple --- .github/workflows/m68k.yml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/.github/workflows/m68k.yml b/.github/workflows/m68k.yml index b78f17c0e26b..511e2ff3dec8 100644 --- a/.github/workflows/m68k.yml +++ b/.github/workflows/m68k.yml @@ -102,7 +102,7 @@ jobs: - name: Run tests run: | - ./y.sh test--target-triple m68k-unknown-linux-gnu --release --clean --build-sysroot --sysroot-features compiler_builtins/no-f16-f128 ${{ matrix.commands }} + ./y.sh test --target-triple m68k-unknown-linux-gnu --release --clean --build-sysroot --sysroot-features compiler_builtins/no-f16-f128 ${{ matrix.commands }} - name: Run Hello World! run: | From 3021598bdfc5adec0e71401a191e780bdc0060fb Mon Sep 17 00:00:00 2001 From: Antoni Boucher Date: Tue, 1 Jul 2025 19:44:00 -0400 Subject: [PATCH 026/157] Specify the linker when building the test project in m68k CI --- .github/workflows/m68k.yml | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/.github/workflows/m68k.yml b/.github/workflows/m68k.yml index 511e2ff3dec8..5f347498f325 100644 --- a/.github/workflows/m68k.yml +++ b/.github/workflows/m68k.yml @@ -109,8 +109,8 @@ jobs: ./y.sh build --target-triple m68k-unknown-linux-gnu cd tests/hello-world - ../../y.sh cargo build --target m68k-unknown-linux-gnu - ../../y.sh cargo run --target m68k-unknown-linux-gnu > hello_world_stdout + CG_RUSTFLAGS="-Clinker=m68k-unknown-linux-gnu-gcc" ../../y.sh cargo build --target m68k-unknown-linux-gnu + CG_RUSTFLAGS="-Clinker=m68k-unknown-linux-gnu-gcc" ../../y.sh cargo run --target m68k-unknown-linux-gnu > hello_world_stdout test $(cat hello_world_stdout) == "Hello, world!" || exit 1 # Summary job for the merge queue. From 4a95b165274f9de5c6a0d3c13ae3103e2ac23eb9 Mon Sep 17 00:00:00 2001 From: Camille GILLOT Date: Wed, 2 Jul 2025 10:42:07 +0000 Subject: [PATCH 027/157] Move crashes tests. --- .../mir/gvn-nonsensical-coroutine-layout.rs} | 6 ++++- .../gvn-nonsensical-coroutine-layout.stderr | 26 +++++++++++++++++++ .../mir/gvn-nonsensical-sized-str.rs} | 5 +++- tests/ui/mir/gvn-nonsensical-sized-str.stderr | 10 +++++++ 4 files changed, 45 insertions(+), 2 deletions(-) rename tests/{crashes/128094.rs => ui/mir/gvn-nonsensical-coroutine-layout.rs} (53%) create mode 100644 tests/ui/mir/gvn-nonsensical-coroutine-layout.stderr rename tests/{crashes/135128.rs => ui/mir/gvn-nonsensical-sized-str.rs} (51%) create mode 100644 tests/ui/mir/gvn-nonsensical-sized-str.stderr diff --git a/tests/crashes/128094.rs b/tests/ui/mir/gvn-nonsensical-coroutine-layout.rs similarity index 53% rename from tests/crashes/128094.rs rename to tests/ui/mir/gvn-nonsensical-coroutine-layout.rs index 56d09d78bed9..f0d174cd01b0 100644 --- a/tests/crashes/128094.rs +++ b/tests/ui/mir/gvn-nonsensical-coroutine-layout.rs @@ -1,15 +1,19 @@ -//@ known-bug: rust-lang/rust#128094 +//! Verify that we do not ICE when a coroutine body is malformed. //@ compile-flags: -Zmir-enable-passes=+GVN //@ edition: 2018 pub enum Request { TestSome(T), + //~^ ERROR cannot find type `T` in this scope [E0412] } pub async fn handle_event(event: Request) { async move { static instance: Request = Request { bar: 17 }; + //~^ ERROR expected struct, variant or union type, found enum `Request` [E0574] &instance } .await; } + +fn main() {} diff --git a/tests/ui/mir/gvn-nonsensical-coroutine-layout.stderr b/tests/ui/mir/gvn-nonsensical-coroutine-layout.stderr new file mode 100644 index 000000000000..abc7b16ca741 --- /dev/null +++ b/tests/ui/mir/gvn-nonsensical-coroutine-layout.stderr @@ -0,0 +1,26 @@ +error[E0412]: cannot find type `T` in this scope + --> $DIR/gvn-nonsensical-coroutine-layout.rs:6:14 + | +LL | TestSome(T), + | ^ not found in this scope + | +help: you might be missing a type parameter + | +LL | pub enum Request { + | +++ + +error[E0574]: expected struct, variant or union type, found enum `Request` + --> $DIR/gvn-nonsensical-coroutine-layout.rs:12:36 + | +LL | static instance: Request = Request { bar: 17 }; + | ^^^^^^^ not a struct, variant or union type + | +help: consider importing this struct instead + | +LL + use std::error::Request; + | + +error: aborting due to 2 previous errors + +Some errors have detailed explanations: E0412, E0574. +For more information about an error, try `rustc --explain E0412`. diff --git a/tests/crashes/135128.rs b/tests/ui/mir/gvn-nonsensical-sized-str.rs similarity index 51% rename from tests/crashes/135128.rs rename to tests/ui/mir/gvn-nonsensical-sized-str.rs index c718b758dc69..29a82f8ce2a1 100644 --- a/tests/crashes/135128.rs +++ b/tests/ui/mir/gvn-nonsensical-sized-str.rs @@ -1,13 +1,16 @@ -//@ known-bug: #135128 +//! Verify that we do not ICE when optimizing bodies with nonsensical bounds. //@ compile-flags: -Copt-level=1 //@ edition: 2021 +//@ build-pass #![feature(trivial_bounds)] async fn return_str() -> str where str: Sized, + //~^ WARN trait bound str: Sized does not depend on any type or lifetime parameters { *"Sized".to_string().into_boxed_str() } + fn main() {} diff --git a/tests/ui/mir/gvn-nonsensical-sized-str.stderr b/tests/ui/mir/gvn-nonsensical-sized-str.stderr new file mode 100644 index 000000000000..08f0193e9f61 --- /dev/null +++ b/tests/ui/mir/gvn-nonsensical-sized-str.stderr @@ -0,0 +1,10 @@ +warning: trait bound str: Sized does not depend on any type or lifetime parameters + --> $DIR/gvn-nonsensical-sized-str.rs:10:10 + | +LL | str: Sized, + | ^^^^^ + | + = note: `#[warn(trivial_bounds)]` on by default + +warning: 1 warning emitted + From 0b61286dd3a95522a5c9acea6d941fc27500cd38 Mon Sep 17 00:00:00 2001 From: Antoni Boucher Date: Wed, 2 Jul 2025 09:38:38 -0400 Subject: [PATCH 028/157] Fix m68k CI --- .github/workflows/m68k.yml | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/.github/workflows/m68k.yml b/.github/workflows/m68k.yml index 245bee7f2a3b..179b36c1c7e9 100644 --- a/.github/workflows/m68k.yml +++ b/.github/workflows/m68k.yml @@ -59,14 +59,12 @@ jobs: - name: Setup path to libgccjit run: | - sudo dpkg -i gcc-m68k-15.deb + sudo dpkg --force-overwrite -i gcc-m68k-15.deb echo 'gcc-path = "/usr/lib/"' > config.toml - name: Set env run: | echo "workspace="$GITHUB_WORKSPACE >> $GITHUB_ENV - - #- name: Cache rust repository ## We only clone the rust repository for rustc tests From ed1e9b7015a3b1599d1322a433771b5845beae68 Mon Sep 17 00:00:00 2001 From: Antoni Boucher Date: Wed, 2 Jul 2025 09:24:55 -0400 Subject: [PATCH 029/157] Manually run in a VM in the m68k CI --- .github/workflows/m68k.yml | 6 ++++-- build_system/src/config.rs | 1 + 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/.github/workflows/m68k.yml b/.github/workflows/m68k.yml index 5f347498f325..8b8f58fef5fa 100644 --- a/.github/workflows/m68k.yml +++ b/.github/workflows/m68k.yml @@ -108,10 +108,12 @@ jobs: run: | ./y.sh build --target-triple m68k-unknown-linux-gnu + vm_dir=$(pwd)/vm cd tests/hello-world CG_RUSTFLAGS="-Clinker=m68k-unknown-linux-gnu-gcc" ../../y.sh cargo build --target m68k-unknown-linux-gnu - CG_RUSTFLAGS="-Clinker=m68k-unknown-linux-gnu-gcc" ../../y.sh cargo run --target m68k-unknown-linux-gnu > hello_world_stdout - test $(cat hello_world_stdout) == "Hello, world!" || exit 1 + sudo cp target/m68k-unknown-linux-gnu/debug/hello_world $vm_dir/home/ + sudo chroot $vm_dir qemu-m68k-static /home/hello_world > hello_world_stdout + test $(cat hello_world_stdout) == "Hello, world!" || (echo "Output differs. Actual output: $(cat hello_world_stdout)"; exit 1) # Summary job for the merge queue. # ALL THE PREVIOUS JOBS NEED TO BE ADDED TO THE `needs` SECTION OF THIS JOB! diff --git a/build_system/src/config.rs b/build_system/src/config.rs index 121c43822fdb..428f3766e5de 100644 --- a/build_system/src/config.rs +++ b/build_system/src/config.rs @@ -374,6 +374,7 @@ impl ConfigInfo { if self.target_triple.is_empty() { return Err("Unknown non-native platform".to_string()); } + // TODO: check if this is still needed. linker = Some(format!("-Clinker={}-gcc", self.target_triple)); self.run_in_vm = true; } From 21c8639d797850bfbb55546d69c09ba424361aa2 Mon Sep 17 00:00:00 2001 From: Antoni Boucher Date: Wed, 2 Jul 2025 11:39:27 -0400 Subject: [PATCH 030/157] Fix to use the correct expected output for m68k CI test --- .github/workflows/m68k.yml | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/.github/workflows/m68k.yml b/.github/workflows/m68k.yml index 8b8f58fef5fa..4b67360df9df 100644 --- a/.github/workflows/m68k.yml +++ b/.github/workflows/m68k.yml @@ -113,7 +113,8 @@ jobs: CG_RUSTFLAGS="-Clinker=m68k-unknown-linux-gnu-gcc" ../../y.sh cargo build --target m68k-unknown-linux-gnu sudo cp target/m68k-unknown-linux-gnu/debug/hello_world $vm_dir/home/ sudo chroot $vm_dir qemu-m68k-static /home/hello_world > hello_world_stdout - test $(cat hello_world_stdout) == "Hello, world!" || (echo "Output differs. Actual output: $(cat hello_world_stdout)"; exit 1) + expected_output="40" + test $(cat hello_world_stdout) == $expected_output || (echo "Output differs. Actual output: $(cat hello_world_stdout)"; exit 1) # Summary job for the merge queue. # ALL THE PREVIOUS JOBS NEED TO BE ADDED TO THE `needs` SECTION OF THIS JOB! From 188108733af702a7f60982c18da2d87d54ed8f5b Mon Sep 17 00:00:00 2001 From: Antoni Boucher Date: Wed, 2 Jul 2025 11:48:49 -0400 Subject: [PATCH 031/157] Update the doc to reflect the new way to specify the linker for cross-compilation --- doc/tips.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/doc/tips.md b/doc/tips.md index 4ab135f3df66..e62c3402a292 100644 --- a/doc/tips.md +++ b/doc/tips.md @@ -62,8 +62,8 @@ generate it in [gimple.md](./doc/gimple.md). * Run `./y.sh prepare --cross` so that the sysroot is patched for the cross-compiling case. * Set the path to the cross-compiling libgccjit in `gcc-path` (in `config.toml`). - * Make sure you have the linker for your target (for instance `m68k-unknown-linux-gnu-gcc`) in your `$PATH`. Currently, the linker name is hardcoded as being `$TARGET-gcc`. Specify the target when building the sysroot: `./y.sh build --sysroot --target-triple m68k-unknown-linux-gnu`. - * Build your project by specifying the target: `../y.sh cargo build --target m68k-unknown-linux-gnu`. + * Make sure you have the linker for your target (for instance `m68k-unknown-linux-gnu-gcc`) in your `$PATH`. You can specify which linker to use via `CG_RUSTFLAGS="-Clinker="`, for instance: `CG_RUSTFLAGS="-Clinker=m68k-unknown-linux-gnu-gcc"`. Specify the target when building the sysroot: `./y.sh build --sysroot --target-triple m68k-unknown-linux-gnu`. + * Build your project by specifying the target and the linker to use: `CG_RUSTFLAGS="-Clinker=m68k-unknown-linux-gnu-gcc" ../y.sh cargo build --target m68k-unknown-linux-gnu`. If the target is not yet supported by the Rust compiler, create a [target specification file](https://docs.rust-embedded.org/embedonomicon/custom-target.html) (note that the `arch` specified in this file must be supported by the rust compiler). Then, you can use it the following way: From f1c71ffb4764b17d6d23b432d871c3f0c7bb9d91 Mon Sep 17 00:00:00 2001 From: Antoni Boucher Date: Wed, 2 Jul 2025 11:49:05 -0400 Subject: [PATCH 032/157] Clean some config stuff up --- build_system/src/config.rs | 10 ---------- 1 file changed, 10 deletions(-) diff --git a/build_system/src/config.rs b/build_system/src/config.rs index 428f3766e5de..a5f802e293a9 100644 --- a/build_system/src/config.rs +++ b/build_system/src/config.rs @@ -352,15 +352,6 @@ impl ConfigInfo { None => return Err("no host found".to_string()), }; - if self.target_triple.is_empty() { - // TODO: set target triple. - // TODO: why do we even need to set target_triple? - // It seems to only be needed for the linker (we could add an environment variable to - // remove this need) and the sysroot (perhaps we could find another way to find it). - // TODO TODO: seems like we would still need OVERWRITE_TARGET_TRIPLE when using a - // json spec file. - // ====> maybe not since we specify both --target and --target-triple. - } if self.target_triple.is_empty() { self.target_triple = self.host_triple.clone(); } @@ -374,7 +365,6 @@ impl ConfigInfo { if self.target_triple.is_empty() { return Err("Unknown non-native platform".to_string()); } - // TODO: check if this is still needed. linker = Some(format!("-Clinker={}-gcc", self.target_triple)); self.run_in_vm = true; } From 92144e1ee183fc8ed097c937fcc4754242b69a99 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jakub=20Ber=C3=A1nek?= Date: Fri, 4 Jul 2025 11:41:19 +0200 Subject: [PATCH 033/157] Remove `josh-sync` tooling and update README --- src/doc/rustc-dev-guide/README.md | 35 +- src/doc/rustc-dev-guide/josh-sync/Cargo.lock | 430 ------------------ src/doc/rustc-dev-guide/josh-sync/Cargo.toml | 9 - src/doc/rustc-dev-guide/josh-sync/README.md | 4 - src/doc/rustc-dev-guide/josh-sync/src/main.rs | 41 -- src/doc/rustc-dev-guide/josh-sync/src/sync.rs | 275 ----------- 6 files changed, 5 insertions(+), 789 deletions(-) delete mode 100644 src/doc/rustc-dev-guide/josh-sync/Cargo.lock delete mode 100644 src/doc/rustc-dev-guide/josh-sync/Cargo.toml delete mode 100644 src/doc/rustc-dev-guide/josh-sync/README.md delete mode 100644 src/doc/rustc-dev-guide/josh-sync/src/main.rs delete mode 100644 src/doc/rustc-dev-guide/josh-sync/src/sync.rs diff --git a/src/doc/rustc-dev-guide/README.md b/src/doc/rustc-dev-guide/README.md index 0425c15f83c1..f11290e44d8f 100644 --- a/src/doc/rustc-dev-guide/README.md +++ b/src/doc/rustc-dev-guide/README.md @@ -72,49 +72,24 @@ including the `` marker at the place where you want the TOC. ## Synchronizing josh subtree with rustc -This repository is linked to `rust-lang/rust` as a [josh](https://josh-project.github.io/josh/intro.html) subtree. You can use the following commands to synchronize the subtree in both directions. +This repository is linked to `rust-lang/rust` as a [josh](https://josh-project.github.io/josh/intro.html) subtree. You can use the [rustc-josh-sync](https://github.com/rust-lang/josh-sync) tool to perform synchronization. -You'll need to install `josh-proxy` locally via - -``` -cargo install josh-proxy --git https://github.com/josh-project/josh --tag r24.10.04 -``` -Older versions of `josh-proxy` may not round trip commits losslessly so it is important to install this exact version. +You can install the tool using `cargo install --locked --git https://github.com/rust-lang/josh-sync`. ### Pull changes from `rust-lang/rust` into this repository 1) Checkout a new branch that will be used to create a PR into `rust-lang/rustc-dev-guide` 2) Run the pull command ``` - cargo run --manifest-path josh-sync/Cargo.toml rustc-pull + rustc-josh-sync pull ``` 3) Push the branch to your fork and create a PR into `rustc-dev-guide` + - If you have `gh` CLI installed, `rustc-josh-sync` can create the PR for you. ### Push changes from this repository into `rust-lang/rust` -NOTE: If you use Git protocol to push to your fork of `rust-lang/rust`, -ensure that you have this entry in your Git config, -else the 2 steps that follow would prompt for a username and password: - -``` -[url "git@github.com:"] -insteadOf = "https://github.com/" -``` - 1) Run the push command to create a branch named `` in a `rustc` fork under the `` account ``` - cargo run --manifest-path josh-sync/Cargo.toml rustc-push + rustc-josh-sync push ``` 2) Create a PR from `` into `rust-lang/rust` - -#### Minimal git config - -For simplicity (ease of implementation purposes), the josh-sync script simply calls out to system git. This means that the git invocation may be influenced by global (or local) git configuration. - -You may observe "Nothing to pull" even if you *know* rustc-pull has something to pull if your global git config sets `fetch.prunetags = true` (and possibly other configurations may cause unexpected outcomes). - -To minimize the likelihood of this happening, you may wish to keep a separate *minimal* git config that *only* has `[user]` entries from global git config, then repoint system git to use the minimal git config instead. 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-See CLI help for usage. diff --git a/src/doc/rustc-dev-guide/josh-sync/src/main.rs b/src/doc/rustc-dev-guide/josh-sync/src/main.rs deleted file mode 100644 index aeedee5be22d..000000000000 --- a/src/doc/rustc-dev-guide/josh-sync/src/main.rs +++ /dev/null @@ -1,41 +0,0 @@ -use clap::Parser; - -use crate::sync::{GitSync, RustcPullError}; - -mod sync; - -#[derive(clap::Parser)] -enum Args { - /// Pull changes from the main `rustc` repository. - /// This creates new commits that should be then merged into `rustc-dev-guide`. - RustcPull, - /// Push changes from `rustc-dev-guide` to the given `branch` of a `rustc` fork under the given - /// GitHub `username`. - /// The pushed branch should then be merged into the `rustc` repository. - RustcPush { branch: String, github_username: String }, -} - -fn main() -> anyhow::Result<()> { - let args = Args::parse(); - let sync = GitSync::from_current_dir()?; - match args { - Args::RustcPull => { - if let Err(error) = sync.rustc_pull(None) { - match error { - RustcPullError::NothingToPull => { - eprintln!("Nothing to pull"); - std::process::exit(2); - } - RustcPullError::PullFailed(error) => { - eprintln!("Pull failure: {error:?}"); - std::process::exit(1); - } - } - } - } - Args::RustcPush { github_username, branch } => { - sync.rustc_push(github_username, branch)?; - } - } - Ok(()) -} diff --git a/src/doc/rustc-dev-guide/josh-sync/src/sync.rs b/src/doc/rustc-dev-guide/josh-sync/src/sync.rs deleted file mode 100644 index ed38d1403a02..000000000000 --- a/src/doc/rustc-dev-guide/josh-sync/src/sync.rs +++ /dev/null @@ -1,275 +0,0 @@ -use std::io::Write; -use std::ops::Not; -use std::path::PathBuf; -use std::time::Duration; -use std::{env, net, process}; - -use anyhow::{Context, anyhow, bail}; -use xshell::{Shell, cmd}; - -/// Used for rustc syncs. -const JOSH_FILTER: &str = ":/src/doc/rustc-dev-guide"; -const JOSH_PORT: u16 = 42042; -const UPSTREAM_REPO: &str = "rust-lang/rust"; - -pub enum RustcPullError { - /// No changes are available to be pulled. - NothingToPull, - /// A rustc-pull has failed, probably a git operation error has occurred. - PullFailed(anyhow::Error), -} - -impl From for RustcPullError -where - E: Into, -{ - fn from(error: E) -> Self { - Self::PullFailed(error.into()) - } -} - -pub struct GitSync { - dir: PathBuf, -} - -/// This code was adapted from the miri repository -/// (https://github.com/rust-lang/miri/blob/6a68a79f38064c3bc30617cca4bdbfb2c336b140/miri-script/src/commands.rs#L236). -impl GitSync { - pub fn from_current_dir() -> anyhow::Result { - Ok(Self { dir: std::env::current_dir()? }) - } - - pub fn rustc_pull(&self, commit: Option) -> Result<(), RustcPullError> { - let sh = Shell::new()?; - sh.change_dir(&self.dir); - let commit = commit.map(Ok).unwrap_or_else(|| { - let rust_repo_head = - cmd!(sh, "git ls-remote https://github.com/{UPSTREAM_REPO}/ HEAD").read()?; - rust_repo_head - .split_whitespace() - .next() - .map(|front| front.trim().to_owned()) - .ok_or_else(|| anyhow!("Could not obtain Rust repo HEAD from remote.")) - })?; - // Make sure the repo is clean. - if cmd!(sh, "git status --untracked-files=no --porcelain").read()?.is_empty().not() { - return Err(anyhow::anyhow!( - "working directory must be clean before performing rustc pull" - ) - .into()); - } - // Make sure josh is running. - let josh = Self::start_josh()?; - let josh_url = - format!("http://localhost:{JOSH_PORT}/{UPSTREAM_REPO}.git@{commit}{JOSH_FILTER}.git"); - - let previous_base_commit = sh.read_file("rust-version")?.trim().to_string(); - if previous_base_commit == commit { - return Err(RustcPullError::NothingToPull); - } - - // Update rust-version file. As a separate commit, since making it part of - // the merge has confused the heck out of josh in the past. - // We pass `--no-verify` to avoid running git hooks. - // We do this before the merge so that if there are merge conflicts, we have - // the right rust-version file while resolving them. - sh.write_file("rust-version", format!("{commit}\n"))?; - const PREPARING_COMMIT_MESSAGE: &str = "Preparing for merge from rustc"; - cmd!(sh, "git commit rust-version --no-verify -m {PREPARING_COMMIT_MESSAGE}") - .run() - .context("FAILED to commit rust-version file, something went wrong")?; - - // Fetch given rustc commit. - cmd!(sh, "git fetch {josh_url}") - .run() - .inspect_err(|_| { - // Try to un-do the previous `git commit`, to leave the repo in the state we found it. - cmd!(sh, "git reset --hard HEAD^") - .run() - .expect("FAILED to clean up again after failed `git fetch`, sorry for that"); - }) - .context("FAILED to fetch new commits, something went wrong (committing the rust-version file has been undone)")?; - - // This should not add any new root commits. So count those before and after merging. - let num_roots = || -> anyhow::Result { - Ok(cmd!(sh, "git rev-list HEAD --max-parents=0 --count") - .read() - .context("failed to determine the number of root commits")? - .parse::()?) - }; - let num_roots_before = num_roots()?; - - let sha = - cmd!(sh, "git rev-parse HEAD").output().context("FAILED to get current commit")?.stdout; - - // Merge the fetched commit. - const MERGE_COMMIT_MESSAGE: &str = "Merge from rustc"; - cmd!(sh, "git merge FETCH_HEAD --no-verify --no-ff -m {MERGE_COMMIT_MESSAGE}") - .run() - .context("FAILED to merge new commits, something went wrong")?; - - let current_sha = - cmd!(sh, "git rev-parse HEAD").output().context("FAILED to get current commit")?.stdout; - if current_sha == sha { - cmd!(sh, "git reset --hard HEAD^") - .run() - .expect("FAILED to clean up after creating the preparation commit"); - eprintln!( - "No merge was performed, no changes to pull were found. Rolled back the preparation commit." - ); - return Err(RustcPullError::NothingToPull); - } - - // Check that the number of roots did not increase. - if num_roots()? != num_roots_before { - return Err(anyhow::anyhow!( - "Josh created a new root commit. This is probably not the history you want." - ) - .into()); - } - - drop(josh); - Ok(()) - } - - pub fn rustc_push(&self, github_user: String, branch: String) -> anyhow::Result<()> { - let sh = Shell::new()?; - sh.change_dir(&self.dir); - let base = sh.read_file("rust-version")?.trim().to_owned(); - // Make sure the repo is clean. - if cmd!(sh, "git status --untracked-files=no --porcelain").read()?.is_empty().not() { - bail!("working directory must be clean before running `rustc-push`"); - } - // Make sure josh is running. - let josh = Self::start_josh()?; - let josh_url = - format!("http://localhost:{JOSH_PORT}/{github_user}/rust.git{JOSH_FILTER}.git"); - - // Find a repo we can do our preparation in. - if let Ok(rustc_git) = env::var("RUSTC_GIT") { - // If rustc_git is `Some`, we'll use an existing fork for the branch updates. - sh.change_dir(rustc_git); - } else { - // Otherwise, do this in the local repo. - println!( - "This will pull a copy of the rust-lang/rust history into this checkout, growing it by about 1GB." - ); - print!( - "To avoid that, abort now and set the `RUSTC_GIT` environment variable to an existing rustc checkout. Proceed? [y/N] " - ); - std::io::stdout().flush()?; - let mut answer = String::new(); - std::io::stdin().read_line(&mut answer)?; - if answer.trim().to_lowercase() != "y" { - std::process::exit(1); - } - }; - // Prepare the branch. Pushing works much better if we use as base exactly - // the commit that we pulled from last time, so we use the `rust-version` - // file to find out which commit that would be. - println!("Preparing {github_user}/rust (base: {base})..."); - if cmd!(sh, "git fetch https://github.com/{github_user}/rust {branch}") - .ignore_stderr() - .read() - .is_ok() - { - println!( - "The branch '{branch}' seems to already exist in 'https://github.com/{github_user}/rust'. Please delete it and try again." - ); - std::process::exit(1); - } - cmd!(sh, "git fetch https://github.com/{UPSTREAM_REPO} {base}").run()?; - cmd!(sh, "git push https://github.com/{github_user}/rust {base}:refs/heads/{branch}") - .ignore_stdout() - .ignore_stderr() // silence the "create GitHub PR" message - .run()?; - println!(); - - // Do the actual push. - sh.change_dir(&self.dir); - println!("Pushing changes..."); - cmd!(sh, "git push {josh_url} HEAD:{branch}").run()?; - println!(); - - // Do a round-trip check to make sure the push worked as expected. - cmd!(sh, "git fetch {josh_url} {branch}").ignore_stderr().read()?; - let head = cmd!(sh, "git rev-parse HEAD").read()?; - let fetch_head = cmd!(sh, "git rev-parse FETCH_HEAD").read()?; - if head != fetch_head { - bail!( - "Josh created a non-roundtrip push! Do NOT merge this into rustc!\n\ - Expected {head}, got {fetch_head}." - ); - } - println!( - "Confirmed that the push round-trips back to rustc-dev-guide properly. Please create a rustc PR:" - ); - println!( - // Open PR with `subtree update` title to silence the `no-merges` triagebot check - " https://github.com/{UPSTREAM_REPO}/compare/{github_user}:{branch}?quick_pull=1&title=rustc-dev-guide+subtree+update&body=r?+@ghost" - ); - - drop(josh); - Ok(()) - } - - fn start_josh() -> anyhow::Result { - // Determine cache directory. - let local_dir = { - let user_dirs = - directories::ProjectDirs::from("org", "rust-lang", "rustc-dev-guide-josh").unwrap(); - user_dirs.cache_dir().to_owned() - }; - - // Start josh, silencing its output. - let mut cmd = process::Command::new("josh-proxy"); - cmd.arg("--local").arg(local_dir); - cmd.arg("--remote").arg("https://github.com"); - cmd.arg("--port").arg(JOSH_PORT.to_string()); - cmd.arg("--no-background"); - cmd.stdout(process::Stdio::null()); - cmd.stderr(process::Stdio::null()); - let josh = cmd.spawn().context("failed to start josh-proxy, make sure it is installed")?; - - // Create a wrapper that stops it on drop. - struct Josh(process::Child); - impl Drop for Josh { - fn drop(&mut self) { - #[cfg(unix)] - { - // Try to gracefully shut it down. - process::Command::new("kill") - .args(["-s", "INT", &self.0.id().to_string()]) - .output() - .expect("failed to SIGINT josh-proxy"); - // Sadly there is no "wait with timeout"... so we just give it some time to finish. - std::thread::sleep(Duration::from_millis(100)); - // Now hopefully it is gone. - if self.0.try_wait().expect("failed to wait for josh-proxy").is_some() { - return; - } - } - // If that didn't work (or we're not on Unix), kill it hard. - eprintln!( - "I have to kill josh-proxy the hard way, let's hope this does not break anything." - ); - self.0.kill().expect("failed to SIGKILL josh-proxy"); - } - } - - // Wait until the port is open. We try every 10ms until 1s passed. - for _ in 0..100 { - // This will generally fail immediately when the port is still closed. - let josh_ready = net::TcpStream::connect_timeout( - &net::SocketAddr::from(([127, 0, 0, 1], JOSH_PORT)), - Duration::from_millis(1), - ); - if josh_ready.is_ok() { - return Ok(Josh(josh)); - } - // Not ready yet. - std::thread::sleep(Duration::from_millis(10)); - } - bail!("Even after waiting for 1s, josh-proxy is still not available.") - } -} From 13dca5e1baede8fe0df76ccba1875a14dda10269 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jakub=20Ber=C3=A1nek?= Date: Fri, 4 Jul 2025 11:44:58 +0200 Subject: [PATCH 034/157] Update CI workflow to use rustc-josh-sync --- src/doc/rustc-dev-guide/.github/workflows/rustc-pull.yml | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/src/doc/rustc-dev-guide/.github/workflows/rustc-pull.yml b/src/doc/rustc-dev-guide/.github/workflows/rustc-pull.yml index 1e430d8b4e65..7190fc733db0 100644 --- a/src/doc/rustc-dev-guide/.github/workflows/rustc-pull.yml +++ b/src/doc/rustc-dev-guide/.github/workflows/rustc-pull.yml @@ -24,11 +24,10 @@ jobs: run: rustup update stable - uses: Swatinem/rust-cache@v2 with: - workspaces: "josh-sync" # Cache the josh directory with checked out rustc - cache-directories: "/home/runner/.cache/rustc-dev-guide-josh" - - name: Install josh - run: RUSTFLAGS="--cap-lints warn" cargo install josh-proxy --git https://github.com/josh-project/josh --tag r24.10.04 + cache-directories: "/home/runner/.cache/rustc-josh" + - name: Install rustc-josh-sync + run: cargo install --locked --git https://github.com/rust-lang/josh-sync - name: Setup bot git name and email run: | git config --global user.name 'The rustc-dev-guide Cronjob Bot' @@ -38,7 +37,7 @@ jobs: # Turn off -e to disable early exit shell: bash {0} run: | - cargo run --manifest-path josh-sync/Cargo.toml -- rustc-pull + rustc-josh-sync pull exitcode=$? # If no pull was performed, we want to mark this job as successful, From 9d83749cdd02531b000eead51cd0de40ec9a59e4 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jakub=20Ber=C3=A1nek?= Date: Fri, 4 Jul 2025 13:14:23 +0200 Subject: [PATCH 035/157] Document `rustc-josh-sync` --- src/doc/rustc-dev-guide/README.md | 20 +----- src/doc/rustc-dev-guide/src/external-repos.md | 62 +++++++++++++++---- 2 files changed, 52 insertions(+), 30 deletions(-) diff --git a/src/doc/rustc-dev-guide/README.md b/src/doc/rustc-dev-guide/README.md index f11290e44d8f..5932da467ab2 100644 --- a/src/doc/rustc-dev-guide/README.md +++ b/src/doc/rustc-dev-guide/README.md @@ -74,22 +74,4 @@ including the `` marker at the place where you want the TOC. This repository is linked to `rust-lang/rust` as a [josh](https://josh-project.github.io/josh/intro.html) subtree. You can use the [rustc-josh-sync](https://github.com/rust-lang/josh-sync) tool to perform synchronization. -You can install the tool using `cargo install --locked --git https://github.com/rust-lang/josh-sync`. - -### Pull changes from `rust-lang/rust` into this repository - -1) Checkout a new branch that will be used to create a PR into `rust-lang/rustc-dev-guide` -2) Run the pull command - ``` - rustc-josh-sync pull - ``` -3) Push the branch to your fork and create a PR into `rustc-dev-guide` - - If you have `gh` CLI installed, `rustc-josh-sync` can create the PR for you. - -### Push changes from this repository into `rust-lang/rust` - -1) Run the push command to create a branch named `` in a `rustc` fork under the `` account - ``` - rustc-josh-sync push - ``` -2) Create a PR from `` into `rust-lang/rust` +You can find a guide on how to perform the synchronization [here](./src/external-repos.md#synchronizing-a-josh-subtree). diff --git a/src/doc/rustc-dev-guide/src/external-repos.md b/src/doc/rustc-dev-guide/src/external-repos.md index f3170c9222d8..a19b1116de82 100644 --- a/src/doc/rustc-dev-guide/src/external-repos.md +++ b/src/doc/rustc-dev-guide/src/external-repos.md @@ -9,7 +9,7 @@ There are three main ways we use dependencies: As a general rule: - Use crates.io for libraries that could be useful for others in the ecosystem - Use subtrees for tools that depend on compiler internals and need to be updated if there are breaking -changes + changes - Use submodules for tools that are independent of the compiler ## External Dependencies (subtrees) @@ -23,6 +23,8 @@ The following external projects are managed using some form of a `subtree`: * [rust-analyzer](https://github.com/rust-lang/rust-analyzer) * [rustc_codegen_cranelift](https://github.com/rust-lang/rustc_codegen_cranelift) * [rustc-dev-guide](https://github.com/rust-lang/rustc-dev-guide) +* [compiler-builtins](https://github.com/rust-lang/compiler-builtins) +* [stdarch](https://github.com/rust-lang/stdarch) In contrast to `submodule` dependencies (see below for those), the `subtree` dependencies are just regular files and directories which can @@ -34,20 +36,57 @@ implement a new tool feature or test, that should happen in one collective rustc `subtree` dependencies are currently managed by two distinct approaches: * Using `git subtree` - * `clippy` ([sync guide](https://doc.rust-lang.org/nightly/clippy/development/infrastructure/sync.html#performing-the-sync-from-rust-langrust-to-clippy)) - * `portable-simd` ([sync script](https://github.com/rust-lang/portable-simd/blob/master/subtree-sync.sh)) - * `rustfmt` - * `rustc_codegen_cranelift` ([sync script](https://github.com/rust-lang/rustc_codegen_cranelift/blob/113af154d459e41b3dc2c5d7d878e3d3a8f33c69/scripts/rustup.sh#L7)) + * `clippy` ([sync guide](https://doc.rust-lang.org/nightly/clippy/development/infrastructure/sync.html#performing-the-sync-from-rust-langrust-to-clippy)) + * `portable-simd` ([sync script](https://github.com/rust-lang/portable-simd/blob/master/subtree-sync.sh)) + * `rustfmt` + * `rustc_codegen_cranelift` ([sync script](https://github.com/rust-lang/rustc_codegen_cranelift/blob/113af154d459e41b3dc2c5d7d878e3d3a8f33c69/scripts/rustup.sh#L7)) * Using the [josh] tool - * `miri` ([sync guide](https://github.com/rust-lang/miri/blob/master/CONTRIBUTING.md#advanced-topic-syncing-with-the-rustc-repo)) - * `rust-analyzer` ([sync script](https://github.com/rust-lang/rust-analyzer/blob/2e13684be123eca7181aa48e043e185d8044a84a/xtask/src/release.rs#L147)) - * `rustc-dev-guide` ([sync guide](https://github.com/rust-lang/rustc-dev-guide#synchronizing-josh-subtree-with-rustc)) + * `miri` ([sync guide](https://github.com/rust-lang/miri/blob/master/CONTRIBUTING.md#advanced-topic-syncing-with-the-rustc-repo)) + * `rust-analyzer` ([sync script](https://github.com/rust-lang/rust-analyzer/blob/2e13684be123eca7181aa48e043e185d8044a84a/xtask/src/release.rs#L147)) + * `rustc-dev-guide` + * `compiler-builtins` + * `stdarch` -The [josh] tool is an alternative to git subtrees, which manages git history in a different way and scales better to larger repositories. Specific tooling is required to work with josh, you can check out the `miri` or `rust-analyzer` scripts linked above for inspiration. If you want to migrate a repository dependency from `git subtree` or `git submodule` to josh, you can check out [this guide](https://hackmd.io/7pOuxnkdQDaL1Y1FQr65xg). +### Josh subtrees -Below you can find a guide on how to perform push and pull synchronization with the main rustc repo using `git subtree`, although these instructions might differ repo from repo. +The [josh] tool is an alternative to git subtrees, which manages git history in a different way and scales better to larger repositories. Specific tooling is required to work with josh, you can check out the `miri` or `rust-analyzer` scripts linked above for inspiration. We provide a helper [`rustc-josh-sync`][josh-sync] tool to help with the synchronization, it is described [below](#synchronizing-a-josh-subtree). -### Synchronizing a subtree +### Synchronizing a Josh subtree + +We use a dedicated tool called [`rustc-josh-sync`][josh-sync] for performing Josh subtree updates. +Currently, we are migrating Josh repositories to it. So far, it is used in: + +- rustc-dev-guide + +To use the tool, first install it with `cargo install --locked --git https://github. +com/rust-lang/josh-sync`. + +Both pulls (synchronize changes from rust-lang/rust into the subtree) and pushes (synchronize +changes from the subtree to rust-lang/rust) are performed from the subtree repository (so first +switch to its repository checkout directory in your terminal). + +#### Performing pull +1) Checkout a new branch that will be used to create a PR into the subtree +2) Run the pull command + ``` + rustc-josh-sync pull + ``` +3) Push the branch to your fork and create a PR into the subtree repository + - If you have `gh` CLI installed, `rustc-josh-sync` can create the PR for you. + +#### Performing push + +1) Run the push command to create a branch named `` in a `rustc` fork under the `` account + ``` + rustc-josh-sync push + ``` +2) Create a PR from `` into `rust-lang/rust` + +### Creating a new Josh subtree dependency + +If you want to migrate a repository dependency from `git subtree` or `git submodule` to josh, you can check out [this guide](https://hackmd.io/7pOuxnkdQDaL1Y1FQr65xg). + +### Synchronizing a git subtree Periodically the changes made to subtree based dependencies need to be synchronized between this repository and the upstream tool repositories. @@ -129,3 +168,4 @@ the week leading up to the beta cut. [toolstate website]: https://rust-lang-nursery.github.io/rust-toolstate/ [Toolstate chapter]: https://forge.rust-lang.org/infra/toolstate.html [josh]: https://josh-project.github.io/josh/intro.html +[josh-sync]: https://github.com/rust-lang/josh-sync From f167f9b49ec85dae8756c21f5183cdb1f43c6d4d Mon Sep 17 00:00:00 2001 From: Tshepang Mbambo Date: Fri, 4 Jul 2025 14:13:15 +0200 Subject: [PATCH 036/157] external-repos.md: small fixes --- src/doc/rustc-dev-guide/src/external-repos.md | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/src/doc/rustc-dev-guide/src/external-repos.md b/src/doc/rustc-dev-guide/src/external-repos.md index a19b1116de82..fc40b5d2bfa5 100644 --- a/src/doc/rustc-dev-guide/src/external-repos.md +++ b/src/doc/rustc-dev-guide/src/external-repos.md @@ -49,7 +49,7 @@ implement a new tool feature or test, that should happen in one collective rustc ### Josh subtrees -The [josh] tool is an alternative to git subtrees, which manages git history in a different way and scales better to larger repositories. Specific tooling is required to work with josh, you can check out the `miri` or `rust-analyzer` scripts linked above for inspiration. We provide a helper [`rustc-josh-sync`][josh-sync] tool to help with the synchronization, it is described [below](#synchronizing-a-josh-subtree). +The [josh] tool is an alternative to git subtrees, which manages git history in a different way and scales better to larger repositories. Specific tooling is required to work with josh; you can check out the `miri` or `rust-analyzer` scripts linked above for inspiration. We provide a helper [`rustc-josh-sync`][josh-sync] tool to help with the synchronization, described [below](#synchronizing-a-josh-subtree). ### Synchronizing a Josh subtree @@ -58,8 +58,7 @@ Currently, we are migrating Josh repositories to it. So far, it is used in: - rustc-dev-guide -To use the tool, first install it with `cargo install --locked --git https://github. -com/rust-lang/josh-sync`. +To use the tool, first install it with `cargo install --locked --git https://github.com/rust-lang/josh-sync`. Both pulls (synchronize changes from rust-lang/rust into the subtree) and pushes (synchronize changes from the subtree to rust-lang/rust) are performed from the subtree repository (so first From 312dcd77796d59743aab30720d8df897504284e6 Mon Sep 17 00:00:00 2001 From: Antoni Boucher Date: Fri, 4 Jul 2025 09:47:14 -0400 Subject: [PATCH 037/157] Update to nightly-2025-07-04 --- rust-toolchain | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/rust-toolchain b/rust-toolchain index bccbc6cd2c5c..2fe8ec4647fa 100644 --- a/rust-toolchain +++ b/rust-toolchain @@ -1,3 +1,3 @@ [toolchain] -channel = "nightly-2025-06-28" +channel = "nightly-2025-07-04" components = ["rust-src", "rustc-dev", "llvm-tools-preview"] From f74e9b0ebfacf79e318077cf959f734a24a38e93 Mon Sep 17 00:00:00 2001 From: Chayim Refael Friedman Date: Sun, 6 Jul 2025 03:21:43 +0300 Subject: [PATCH 038/157] Always bump in the parser in `err_and_bump()` Even when at curly braces, otherwise the parser can get stuck. This has happened in the past in #18625, but it was just worked around instead of handling the root of the problem. Now this happened again in #20171. IMO we can't let `err_and_bump()` not bump, that's too confusing and invites errors. We can (as I did) workaround the worse recovery instead. --- .../hir-def/src/macro_expansion_tests/mod.rs | 42 ++++++++++++++++++- .../crates/hir-expand/src/builtin/quote.rs | 2 +- .../parser/src/grammar/expressions/atom.rs | 7 ++-- .../rust-analyzer/crates/parser/src/parser.rs | 7 +++- 4 files changed, 50 insertions(+), 8 deletions(-) diff --git a/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/mod.rs b/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/mod.rs index 1c69b37f164f..5e95b061399a 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/mod.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/mod.rs @@ -20,13 +20,14 @@ use base_db::RootQueryDb; use expect_test::Expect; use hir_expand::{ AstId, InFile, MacroCallId, MacroCallKind, MacroKind, + builtin::quote::quote, db::ExpandDatabase, proc_macro::{ProcMacro, ProcMacroExpander, ProcMacroExpansionError, ProcMacroKind}, span_map::SpanMapRef, }; -use intern::Symbol; +use intern::{Symbol, sym}; use itertools::Itertools; -use span::{Edition, Span}; +use span::{Edition, ROOT_ERASED_FILE_AST_ID, Span, SpanAnchor, SyntaxContext}; use stdx::{format_to, format_to_acc}; use syntax::{ AstNode, AstPtr, @@ -34,7 +35,9 @@ use syntax::{ SyntaxNode, T, ast::{self, edit::IndentLevel}, }; +use syntax_bridge::token_tree_to_syntax_node; use test_fixture::WithFixture; +use tt::{TextRange, TextSize}; use crate::{ AdtId, Lookup, ModuleDefId, @@ -386,3 +389,38 @@ impl ProcMacroExpander for IdentityWhenValidProcMacroExpander { other.type_id() == TypeId::of::() } } + +#[test] +fn regression_20171() { + // This really isn't the appropriate place to put this test, but it's convenient with access to `quote!`. + let span = Span { + range: TextRange::empty(TextSize::new(0)), + anchor: SpanAnchor { + file_id: span::EditionedFileId::current_edition(span::FileId::from_raw(0)), + ast_id: ROOT_ERASED_FILE_AST_ID, + }, + ctx: SyntaxContext::root(Edition::CURRENT), + }; + let close_brace = tt::Punct { char: '}', spacing: tt::Spacing::Alone, span }; + let dotdot1 = tt::Punct { char: '.', spacing: tt::Spacing::Joint, span }; + let dotdot2 = tt::Punct { char: '.', spacing: tt::Spacing::Alone, span }; + let dollar_crate = sym::dollar_crate; + let tt = quote! { + span => { + if !((matches!( + drive_parser(&mut parser, data, false), + Err(TarParserError::CorruptField { + field: CorruptFieldContext::PaxKvLength, + error: GeneralParseError::ParseInt(ParseIntError { #dotdot1 #dotdot2 }) + }) + #close_brace ))) { + #dollar_crate::panic::panic_2021!(); + }} + }; + token_tree_to_syntax_node( + &tt, + syntax_bridge::TopEntryPoint::MacroStmts, + &mut |_| Edition::CURRENT, + Edition::CURRENT, + ); +} diff --git a/src/tools/rust-analyzer/crates/hir-expand/src/builtin/quote.rs b/src/tools/rust-analyzer/crates/hir-expand/src/builtin/quote.rs index d5874f829ba5..70c38d4d7c75 100644 --- a/src/tools/rust-analyzer/crates/hir-expand/src/builtin/quote.rs +++ b/src/tools/rust-analyzer/crates/hir-expand/src/builtin/quote.rs @@ -129,7 +129,7 @@ macro_rules! quote { } } } -pub(super) use quote; +pub use quote; pub trait ToTokenTree { fn to_tokens(self, span: Span, builder: &mut TopSubtreeBuilder); diff --git a/src/tools/rust-analyzer/crates/parser/src/grammar/expressions/atom.rs b/src/tools/rust-analyzer/crates/parser/src/grammar/expressions/atom.rs index 8ed0fc6729fc..c31ebc42a865 100644 --- a/src/tools/rust-analyzer/crates/parser/src/grammar/expressions/atom.rs +++ b/src/tools/rust-analyzer/crates/parser/src/grammar/expressions/atom.rs @@ -411,11 +411,10 @@ fn parse_asm_expr(p: &mut Parser<'_>, m: Marker) -> Option { dir_spec.abandon(p); op.abandon(p); op_n.abandon(p); - p.err_and_bump("expected asm operand"); - // improves error recovery and handles err_and_bump recovering from `{` which gets - // the parser stuck here + // improves error recovery if p.at(T!['{']) { + p.error("expected asm operand"); // test_err bad_asm_expr // fn foo() { // builtin#asm( @@ -423,6 +422,8 @@ fn parse_asm_expr(p: &mut Parser<'_>, m: Marker) -> Option { // ); // } expr(p); + } else { + p.err_and_bump("expected asm operand"); } if p.at(T!['}']) { diff --git a/src/tools/rust-analyzer/crates/parser/src/parser.rs b/src/tools/rust-analyzer/crates/parser/src/parser.rs index 36a363afe93a..ca02d9fdfde1 100644 --- a/src/tools/rust-analyzer/crates/parser/src/parser.rs +++ b/src/tools/rust-analyzer/crates/parser/src/parser.rs @@ -29,7 +29,7 @@ pub(crate) struct Parser<'t> { edition: Edition, } -const PARSER_STEP_LIMIT: usize = 15_000_000; +const PARSER_STEP_LIMIT: usize = if cfg!(debug_assertions) { 150_000 } else { 15_000_000 }; impl<'t> Parser<'t> { pub(super) fn new(inp: &'t Input, edition: Edition) -> Parser<'t> { @@ -254,7 +254,10 @@ impl<'t> Parser<'t> { /// Create an error node and consume the next token. pub(crate) fn err_and_bump(&mut self, message: &str) { - self.err_recover(message, TokenSet::EMPTY); + let m = self.start(); + self.error(message); + self.bump_any(); + m.complete(self, ERROR); } /// Create an error node and consume the next token unless it is in the recovery set. From a9b8eec4b7d69176e14646c13b0580b4cdb9eab2 Mon Sep 17 00:00:00 2001 From: Chayim Refael Friedman Date: Sun, 6 Jul 2025 14:52:10 +0300 Subject: [PATCH 039/157] Include enum variants in world symbols I opted to not include enum variant imports, only under the enum, and to not gate this behind a setting. --- .../rust-analyzer/crates/hir/src/symbols.rs | 7 ++ .../test_symbol_index_collection.txt | 68 +++++++++++++++++++ 2 files changed, 75 insertions(+) diff --git a/src/tools/rust-analyzer/crates/hir/src/symbols.rs b/src/tools/rust-analyzer/crates/hir/src/symbols.rs index 756650891d4b..dca10193e29b 100644 --- a/src/tools/rust-analyzer/crates/hir/src/symbols.rs +++ b/src/tools/rust-analyzer/crates/hir/src/symbols.rs @@ -125,6 +125,13 @@ impl<'a> SymbolCollector<'a> { } ModuleDefId::AdtId(AdtId::EnumId(id)) => { this.push_decl(id, name, false, None); + let enum_name = this.db.enum_signature(id).name.as_str().to_smolstr(); + this.with_container_name(Some(enum_name), |this| { + let variants = id.enum_variants(this.db); + for (variant_id, variant_name, _) in &variants.variants { + this.push_decl(*variant_id, variant_name, true, None); + } + }); } ModuleDefId::AdtId(AdtId::UnionId(id)) => { this.push_decl(id, name, false, None); diff --git a/src/tools/rust-analyzer/crates/ide-db/src/test_data/test_symbol_index_collection.txt b/src/tools/rust-analyzer/crates/ide-db/src/test_data/test_symbol_index_collection.txt index de046e70c673..973256c470f3 100644 --- a/src/tools/rust-analyzer/crates/ide-db/src/test_data/test_symbol_index_collection.txt +++ b/src/tools/rust-analyzer/crates/ide-db/src/test_data/test_symbol_index_collection.txt @@ -10,6 +10,40 @@ }, }, [ + FileSymbol { + name: "A", + def: Variant( + Variant { + id: EnumVariantId( + 7800, + ), + }, + ), + loc: DeclarationLocation { + hir_file_id: FileId( + EditionedFileId( + Id(2000), + ), + ), + ptr: SyntaxNodePtr { + kind: VARIANT, + range: 201..202, + }, + name_ptr: AstPtr( + SyntaxNodePtr { + kind: NAME, + range: 201..202, + }, + ), + }, + container_name: Some( + "Enum", + ), + is_alias: false, + is_assoc: true, + is_import: false, + do_not_complete: Yes, + }, FileSymbol { name: "Alias", def: TypeAlias( @@ -42,6 +76,40 @@ is_import: false, do_not_complete: Yes, }, + FileSymbol { + name: "B", + def: Variant( + Variant { + id: EnumVariantId( + 7801, + ), + }, + ), + loc: DeclarationLocation { + hir_file_id: FileId( + EditionedFileId( + Id(2000), + ), + ), + ptr: SyntaxNodePtr { + kind: VARIANT, + range: 204..205, + }, + name_ptr: AstPtr( + SyntaxNodePtr { + kind: NAME, + range: 204..205, + }, + ), + }, + container_name: Some( + "Enum", + ), + is_alias: false, + is_assoc: true, + is_import: false, + do_not_complete: Yes, + }, FileSymbol { name: "CONST", def: Const( From aa331b1c5f91562d8c1ad0875b5e0dc6668dc2b0 Mon Sep 17 00:00:00 2001 From: Chayim Refael Friedman Date: Mon, 7 Jul 2025 20:44:18 +0300 Subject: [PATCH 040/157] Fix a case where the link type was `None` Which caused a panic. --- .../rust-analyzer/crates/ide/src/doc_links.rs | 6 ++--- .../crates/ide/src/hover/tests.rs | 27 +++++++++++++++++++ 2 files changed, 30 insertions(+), 3 deletions(-) diff --git a/src/tools/rust-analyzer/crates/ide/src/doc_links.rs b/src/tools/rust-analyzer/crates/ide/src/doc_links.rs index f58202a42130..a5d9a10d2e5f 100644 --- a/src/tools/rust-analyzer/crates/ide/src/doc_links.rs +++ b/src/tools/rust-analyzer/crates/ide/src/doc_links.rs @@ -505,7 +505,7 @@ fn map_links<'e>( Event::End(Tag::Link(link_type, target, _)) => { in_link = false; Event::End(Tag::Link( - end_link_type.unwrap_or(link_type), + end_link_type.take().unwrap_or(link_type), end_link_target.take().unwrap_or(target), CowStr::Borrowed(""), )) @@ -514,7 +514,7 @@ fn map_links<'e>( let (link_type, link_target_s, link_name) = callback(&end_link_target.take().unwrap(), &s, range, end_link_type.unwrap()); end_link_target = Some(CowStr::Boxed(link_target_s.into())); - if !matches!(end_link_type, Some(LinkType::Autolink)) { + if !matches!(end_link_type, Some(LinkType::Autolink)) && link_type.is_some() { end_link_type = link_type; } Event::Text(CowStr::Boxed(link_name.into())) @@ -523,7 +523,7 @@ fn map_links<'e>( let (link_type, link_target_s, link_name) = callback(&end_link_target.take().unwrap(), &s, range, end_link_type.unwrap()); end_link_target = Some(CowStr::Boxed(link_target_s.into())); - if !matches!(end_link_type, Some(LinkType::Autolink)) { + if !matches!(end_link_type, Some(LinkType::Autolink)) && link_type.is_some() { end_link_type = link_type; } Event::Code(CowStr::Boxed(link_name.into())) diff --git a/src/tools/rust-analyzer/crates/ide/src/hover/tests.rs b/src/tools/rust-analyzer/crates/ide/src/hover/tests.rs index f63499aa0fd4..c3afd7da2df4 100644 --- a/src/tools/rust-analyzer/crates/ide/src/hover/tests.rs +++ b/src/tools/rust-analyzer/crates/ide/src/hover/tests.rs @@ -10958,3 +10958,30 @@ fn bar$0() -> Foo { "#]], ); } + +#[test] +fn regression_20190() { + check( + r#" +struct Foo; + +/// [`foo` bar](Foo). +fn has_docs$0() {} + "#, + expect![[r#" + *has_docs* + + ```rust + ra_test_fixture + ``` + + ```rust + fn has_docs() + ``` + + --- + + [`foo` bar](https://docs.rs/ra_test_fixture/*/ra_test_fixture/struct.Foo.html). + "#]], + ); +} From 922ee88762e36dea38113f84ca3898b2e59531ee Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jakub=20Ber=C3=A1nek?= Date: Tue, 8 Jul 2025 08:57:05 +0200 Subject: [PATCH 041/157] Mention that stdarch is managed by josh-sync --- src/doc/rustc-dev-guide/src/external-repos.md | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/src/doc/rustc-dev-guide/src/external-repos.md b/src/doc/rustc-dev-guide/src/external-repos.md index fc40b5d2bfa5..0f7322357b9d 100644 --- a/src/doc/rustc-dev-guide/src/external-repos.md +++ b/src/doc/rustc-dev-guide/src/external-repos.md @@ -43,9 +43,9 @@ implement a new tool feature or test, that should happen in one collective rustc * Using the [josh] tool * `miri` ([sync guide](https://github.com/rust-lang/miri/blob/master/CONTRIBUTING.md#advanced-topic-syncing-with-the-rustc-repo)) * `rust-analyzer` ([sync script](https://github.com/rust-lang/rust-analyzer/blob/2e13684be123eca7181aa48e043e185d8044a84a/xtask/src/release.rs#L147)) - * `rustc-dev-guide` + * `rustc-dev-guide` ([josh sync](#synchronizing-a-josh-subtree)) * `compiler-builtins` - * `stdarch` + * `stdarch` ([josh sync](#synchronizing-a-josh-subtree)) ### Josh subtrees @@ -57,6 +57,7 @@ We use a dedicated tool called [`rustc-josh-sync`][josh-sync] for performing Jos Currently, we are migrating Josh repositories to it. So far, it is used in: - rustc-dev-guide +- stdarch To use the tool, first install it with `cargo install --locked --git https://github.com/rust-lang/josh-sync`. From 24a25dbb88bc6a6dafe7bad2337948f0a2b37c0f Mon Sep 17 00:00:00 2001 From: Jieyou Xu Date: Tue, 10 Jun 2025 23:46:39 +0800 Subject: [PATCH 042/157] Revert `tests/run-make/mte-ffi` changes Partially reverts commit 40311c4dcf666e8bddcec4a8059e7d9f12bbd363. --- tests/run-make/mte-ffi/bar.h | 2 -- tests/run-make/mte-ffi/bar_float.c | 4 ++-- tests/run-make/mte-ffi/bar_int.c | 2 +- tests/run-make/mte-ffi/bar_string.c | 3 +-- 4 files changed, 4 insertions(+), 7 deletions(-) diff --git a/tests/run-make/mte-ffi/bar.h b/tests/run-make/mte-ffi/bar.h index 9b030c618d18..a2292ae02a30 100644 --- a/tests/run-make/mte-ffi/bar.h +++ b/tests/run-make/mte-ffi/bar.h @@ -1,5 +1,3 @@ -// FIXME(#141600) the mte-ffi test doesn't fail in aarch64-gnu - #ifndef __BAR_H #define __BAR_H diff --git a/tests/run-make/mte-ffi/bar_float.c b/tests/run-make/mte-ffi/bar_float.c index acc2f5d9266d..a1590f62765a 100644 --- a/tests/run-make/mte-ffi/bar_float.c +++ b/tests/run-make/mte-ffi/bar_float.c @@ -3,9 +3,9 @@ #include #include "bar.h" -extern void foo(float*); +extern void foo(char*); -void bar(float *ptr) { +void bar(char *ptr) { if (((uintptr_t)ptr >> 56) != 0x1f) { fprintf(stderr, "Top byte corrupted on Rust -> C FFI boundary!\n"); exit(1); diff --git a/tests/run-make/mte-ffi/bar_int.c b/tests/run-make/mte-ffi/bar_int.c index c92e765302c1..d1c79e95dc9c 100644 --- a/tests/run-make/mte-ffi/bar_int.c +++ b/tests/run-make/mte-ffi/bar_int.c @@ -5,7 +5,7 @@ extern void foo(unsigned int *); -void bar(unsigned int *ptr) { +void bar(char *ptr) { if (((uintptr_t)ptr >> 56) != 0x1f) { fprintf(stderr, "Top byte corrupted on Rust -> C FFI boundary!\n"); exit(1); diff --git a/tests/run-make/mte-ffi/bar_string.c b/tests/run-make/mte-ffi/bar_string.c index 8e1202f6fd15..5669ffd6695e 100644 --- a/tests/run-make/mte-ffi/bar_string.c +++ b/tests/run-make/mte-ffi/bar_string.c @@ -1,7 +1,6 @@ #include #include #include -#include #include "bar.h" extern void foo(char*); @@ -33,7 +32,7 @@ int main(void) // Store an arbitrary tag in bits 56-59 of the pointer (where an MTE tag may be), // and a different value in the ignored top 4 bits. - ptr = (char *)((uintptr_t)ptr | 0x1fl << 56); + ptr = (unsigned int *)((uintptr_t)ptr | 0x1fl << 56); if (mte_enabled()) { set_tag(ptr); From 37136dd9748736d68c050d2dc132045b8b57ce3e Mon Sep 17 00:00:00 2001 From: Jieyou Xu Date: Tue, 8 Jul 2025 16:39:03 +0800 Subject: [PATCH 043/157] Disable `tests/run-make/mte-ffi` See RUST-141600: this test is broken in two ways: 1. This test triggers `-Wincompatible-pointer-types` on GCC 14. 2. This test requires ARMv8.5+ w/ MTE extensions enabled, but GHA CI runner hardware do not have this enabled. --- tests/run-make/mte-ffi/rmake.rs | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/tests/run-make/mte-ffi/rmake.rs b/tests/run-make/mte-ffi/rmake.rs index a8da0dc0ee03..71d8318d9465 100644 --- a/tests/run-make/mte-ffi/rmake.rs +++ b/tests/run-make/mte-ffi/rmake.rs @@ -2,6 +2,13 @@ //! FFI boundaries (C <-> Rust). This test does not require MTE: whilst the test will use MTE if //! available, if it is not, arbitrary tag bits are set using TBI. +//@ ignore-test (FIXME #141600) +// +// FIXME(#141600): this test is broken in two ways: +// 1. This test triggers `-Wincompatible-pointer-types` on GCC 14. +// 2. This test requires ARMv8.5+ w/ MTE extensions enabled, but GHA CI runner hardware do not have +// this enabled. + //@ only-aarch64-unknown-linux-gnu // Reason: this test is only valid for AArch64 with `gcc`. The linker must be explicitly specified // when cross-compiling, so it is limited to `aarch64-unknown-linux-gnu`. From 5834bda8be6a8cd6019985266b67b308b85af712 Mon Sep 17 00:00:00 2001 From: Hayashi Mikihiro <34ttrweoewiwe28@gmail.com> Date: Tue, 8 Jul 2025 16:12:58 +0900 Subject: [PATCH 044/157] Migrate `pull_assignment_up` assist to `SyntaxEditor` Signed-off-by: Hayashi Mikihiro <34ttrweoewiwe28@gmail.com> --- .../src/handlers/generate_getter_or_setter.rs | 2 +- .../src/handlers/pull_assignment_up.rs | 65 ++++++++++++------- .../crates/syntax/src/ast/make.rs | 2 +- .../src/ast/syntax_factory/constructors.rs | 13 ++++ 4 files changed, 57 insertions(+), 25 deletions(-) diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_getter_or_setter.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_getter_or_setter.rs index c7e5e41aac4c..20ee9253d379 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_getter_or_setter.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_getter_or_setter.rs @@ -294,7 +294,7 @@ fn generate_setter_from_info(info: &AssistInfo, record_field_info: &RecordFieldI let self_expr = make::ext::expr_self(); let lhs = make::expr_field(self_expr, field_name); let rhs = make::expr_path(make::ext::ident_path(field_name)); - let assign_stmt = make::expr_stmt(make::expr_assignment(lhs, rhs)); + let assign_stmt = make::expr_stmt(make::expr_assignment(lhs, rhs).into()); let body = make::block_expr([assign_stmt.into()], None); // Make the setter fn diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/pull_assignment_up.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/pull_assignment_up.rs index 5f626d295711..1b0c31393537 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/pull_assignment_up.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/pull_assignment_up.rs @@ -1,7 +1,8 @@ use syntax::{ AstNode, - ast::{self, make}, - ted, + algo::find_node_at_range, + ast::{self, syntax_factory::SyntaxFactory}, + syntax_editor::SyntaxEditor, }; use crate::{ @@ -66,33 +67,51 @@ pub(crate) fn pull_assignment_up(acc: &mut Assists, ctx: &AssistContext<'_>) -> return None; } } + let target = tgt.syntax().text_range(); + let edit_tgt = tgt.syntax().clone_subtree(); + let assignments: Vec<_> = collector + .assignments + .into_iter() + .filter_map(|(stmt, rhs)| { + Some(( + find_node_at_range::( + &edit_tgt, + stmt.syntax().text_range() - target.start(), + )?, + find_node_at_range::( + &edit_tgt, + rhs.syntax().text_range() - target.start(), + )?, + )) + }) + .collect(); + + let mut editor = SyntaxEditor::new(edit_tgt); + for (stmt, rhs) in assignments { + let mut stmt = stmt.syntax().clone(); + if let Some(parent) = stmt.parent() { + if ast::ExprStmt::cast(parent.clone()).is_some() { + stmt = parent.clone(); + } + } + editor.replace(stmt, rhs.syntax()); + } + let new_tgt_root = editor.finish().new_root().clone(); + let new_tgt = ast::Expr::cast(new_tgt_root)?; acc.add( AssistId::refactor_extract("pull_assignment_up"), "Pull assignment up", - tgt.syntax().text_range(), + target, move |edit| { - let assignments: Vec<_> = collector - .assignments - .into_iter() - .map(|(stmt, rhs)| (edit.make_mut(stmt), rhs.clone_for_update())) - .collect(); + let make = SyntaxFactory::with_mappings(); + let mut editor = edit.make_editor(tgt.syntax()); + let assign_expr = make.expr_assignment(collector.common_lhs, new_tgt.clone()); + let assign_stmt = make.expr_stmt(assign_expr.into()); - let tgt = edit.make_mut(tgt); - - for (stmt, rhs) in assignments { - let mut stmt = stmt.syntax().clone(); - if let Some(parent) = stmt.parent() { - if ast::ExprStmt::cast(parent.clone()).is_some() { - stmt = parent.clone(); - } - } - ted::replace(stmt, rhs.syntax()); - } - let assign_expr = make::expr_assignment(collector.common_lhs, tgt.clone()); - let assign_stmt = make::expr_stmt(assign_expr); - - ted::replace(tgt.syntax(), assign_stmt.syntax().clone_for_update()); + editor.replace(tgt.syntax(), assign_stmt.syntax()); + editor.add_mappings(make.finish_with_mappings()); + edit.add_file_edits(ctx.vfs_file_id(), editor); }, ) } diff --git a/src/tools/rust-analyzer/crates/syntax/src/ast/make.rs b/src/tools/rust-analyzer/crates/syntax/src/ast/make.rs index 309332873cb8..d67f24fda96a 100644 --- a/src/tools/rust-analyzer/crates/syntax/src/ast/make.rs +++ b/src/tools/rust-analyzer/crates/syntax/src/ast/make.rs @@ -680,7 +680,7 @@ pub fn expr_tuple(elements: impl IntoIterator) -> ast::TupleEx let expr = elements.into_iter().format(", "); expr_from_text(&format!("({expr})")) } -pub fn expr_assignment(lhs: ast::Expr, rhs: ast::Expr) -> ast::Expr { +pub fn expr_assignment(lhs: ast::Expr, rhs: ast::Expr) -> ast::BinExpr { expr_from_text(&format!("{lhs} = {rhs}")) } fn expr_from_text + AstNode>(text: &str) -> E { diff --git a/src/tools/rust-analyzer/crates/syntax/src/ast/syntax_factory/constructors.rs b/src/tools/rust-analyzer/crates/syntax/src/ast/syntax_factory/constructors.rs index 17cc5f9c0570..1ba610731512 100644 --- a/src/tools/rust-analyzer/crates/syntax/src/ast/syntax_factory/constructors.rs +++ b/src/tools/rust-analyzer/crates/syntax/src/ast/syntax_factory/constructors.rs @@ -440,6 +440,19 @@ impl SyntaxFactory { ast } + pub fn expr_assignment(&self, lhs: ast::Expr, rhs: ast::Expr) -> ast::BinExpr { + let ast = make::expr_assignment(lhs.clone(), rhs.clone()).clone_for_update(); + + if let Some(mut mapping) = self.mappings() { + let mut builder = SyntaxMappingBuilder::new(ast.syntax().clone()); + builder.map_node(lhs.syntax().clone(), ast.lhs().unwrap().syntax().clone()); + builder.map_node(rhs.syntax().clone(), ast.rhs().unwrap().syntax().clone()); + builder.finish(&mut mapping); + } + + ast + } + pub fn expr_bin(&self, lhs: ast::Expr, op: ast::BinaryOp, rhs: ast::Expr) -> ast::BinExpr { let ast::Expr::BinExpr(ast) = make::expr_bin_op(lhs.clone(), op, rhs.clone()).clone_for_update() From 910c78b75a3d2070c97ed48435f991bf564fd23b Mon Sep 17 00:00:00 2001 From: Chayim Refael Friedman Date: Tue, 8 Jul 2025 23:41:22 +0300 Subject: [PATCH 045/157] Revert "Re-enable fixpoint iteration for variance computation" --- .../crates/hir-expand/src/name.rs | 3 +-- .../rust-analyzer/crates/hir-ty/src/db.rs | 5 +++-- .../crates/hir-ty/src/variance.rs | 18 +++++++++--------- 3 files changed, 13 insertions(+), 13 deletions(-) diff --git a/src/tools/rust-analyzer/crates/hir-expand/src/name.rs b/src/tools/rust-analyzer/crates/hir-expand/src/name.rs index 679f61112ad5..217d991d110d 100644 --- a/src/tools/rust-analyzer/crates/hir-expand/src/name.rs +++ b/src/tools/rust-analyzer/crates/hir-expand/src/name.rs @@ -179,10 +179,9 @@ impl Name { self.symbol.as_str() } - #[inline] pub fn display<'a>( &'a self, - db: &dyn salsa::Database, + db: &dyn crate::db::ExpandDatabase, edition: Edition, ) -> impl fmt::Display + 'a { _ = db; diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/db.rs b/src/tools/rust-analyzer/crates/hir-ty/src/db.rs index 5d3be07f3db2..b3d46845c443 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/db.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/db.rs @@ -273,8 +273,9 @@ pub trait HirDatabase: DefDatabase + std::fmt::Debug { #[salsa::invoke(crate::variance::variances_of)] #[salsa::cycle( - cycle_fn = crate::variance::variances_of_cycle_fn, - cycle_initial = crate::variance::variances_of_cycle_initial, + // cycle_fn = crate::variance::variances_of_cycle_fn, + // cycle_initial = crate::variance::variances_of_cycle_initial, + cycle_result = crate::variance::variances_of_cycle_initial, )] fn variances_of(&self, def: GenericDefId) -> Option>; diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/variance.rs b/src/tools/rust-analyzer/crates/hir-ty/src/variance.rs index 87d9df611bda..08a215fecf62 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/variance.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/variance.rs @@ -54,14 +54,14 @@ pub(crate) fn variances_of(db: &dyn HirDatabase, def: GenericDefId) -> Option>, - _count: u32, - _def: GenericDefId, -) -> salsa::CycleRecoveryAction>> { - salsa::CycleRecoveryAction::Iterate -} +// pub(crate) fn variances_of_cycle_fn( +// _db: &dyn HirDatabase, +// _result: &Option>, +// _count: u32, +// _def: GenericDefId, +// ) -> salsa::CycleRecoveryAction>> { +// salsa::CycleRecoveryAction::Iterate +// } pub(crate) fn variances_of_cycle_initial( db: &dyn HirDatabase, @@ -965,7 +965,7 @@ struct S3(S); struct FixedPoint(&'static FixedPoint<(), T, U>, V); "#, expect![[r#" - FixedPoint[T: covariant, U: covariant, V: covariant] + FixedPoint[T: bivariant, U: bivariant, V: bivariant] "#]], ); } From 6b8bc68a503e0b27828404270759ab3523b1c91a Mon Sep 17 00:00:00 2001 From: Tshepang Mbambo Date: Wed, 9 Jul 2025 07:13:44 +0200 Subject: [PATCH 046/157] use a consistent (and recommended) invocation ./x is recommended over running ./x.py directly, and is the more commonly-used invocation of bootstrap in the guide --- src/doc/rustc-dev-guide/src/autodiff/installation.md | 10 +++++----- src/doc/rustc-dev-guide/src/offload/installation.md | 4 ++-- 2 files changed, 7 insertions(+), 7 deletions(-) diff --git a/src/doc/rustc-dev-guide/src/autodiff/installation.md b/src/doc/rustc-dev-guide/src/autodiff/installation.md index c9b28dc43a6d..92e79b2f3831 100644 --- a/src/doc/rustc-dev-guide/src/autodiff/installation.md +++ b/src/doc/rustc-dev-guide/src/autodiff/installation.md @@ -13,7 +13,7 @@ cd rust Afterwards you can build rustc using: ```bash -./x.py build --stage 1 library +./x build --stage 1 library ``` Afterwards rustc toolchain link will allow you to use it through cargo: @@ -25,10 +25,10 @@ rustup toolchain install nightly # enables -Z unstable-options You can then run our test cases: ```bash -./x.py test --stage 1 tests/codegen/autodiff -./x.py test --stage 1 tests/pretty/autodiff -./x.py test --stage 1 tests/ui/autodiff -./x.py test --stage 1 tests/ui/feature-gates/feature-gate-autodiff.rs +./x test --stage 1 tests/codegen/autodiff +./x test --stage 1 tests/pretty/autodiff +./x test --stage 1 tests/ui/autodiff +./x test --stage 1 tests/ui/feature-gates/feature-gate-autodiff.rs ``` Autodiff is still experimental, so if you want to use it in your own projects, you will need to add `lto="fat"` to your Cargo.toml diff --git a/src/doc/rustc-dev-guide/src/offload/installation.md b/src/doc/rustc-dev-guide/src/offload/installation.md index 2536af09a236..8cfec44ec8e7 100644 --- a/src/doc/rustc-dev-guide/src/offload/installation.md +++ b/src/doc/rustc-dev-guide/src/offload/installation.md @@ -13,7 +13,7 @@ cd rust Afterwards you can build rustc using: ```bash -./x.py build --stage 1 library +./x build --stage 1 library ``` Afterwards rustc toolchain link will allow you to use it through cargo: @@ -40,7 +40,7 @@ This gives you a working LLVM build. ## Testing run ``` -./x.py test --stage 1 tests/codegen/gpu_offload +./x test --stage 1 tests/codegen/gpu_offload ``` ## Usage From 7b394d2650472866162adb1e3e775d7c43ed8854 Mon Sep 17 00:00:00 2001 From: Tshepang Mbambo Date: Wed, 9 Jul 2025 07:28:16 +0200 Subject: [PATCH 047/157] tweak some git clone commands - --depth=1 is more useful for once-off uses, like on ci - .git postfix on github repo url is not needed --- src/doc/rustc-dev-guide/src/autodiff/installation.md | 8 ++++---- src/doc/rustc-dev-guide/src/offload/installation.md | 4 ++-- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/src/doc/rustc-dev-guide/src/autodiff/installation.md b/src/doc/rustc-dev-guide/src/autodiff/installation.md index 92e79b2f3831..a550f6d233eb 100644 --- a/src/doc/rustc-dev-guide/src/autodiff/installation.md +++ b/src/doc/rustc-dev-guide/src/autodiff/installation.md @@ -6,7 +6,7 @@ In the near future, `std::autodiff` should become available in nightly builds fo First you need to clone and configure the Rust repository: ```bash -git clone --depth=1 git@github.com:rust-lang/rust.git +git clone git@github.com:rust-lang/rust cd rust ./configure --enable-llvm-link-shared --enable-llvm-plugins --enable-llvm-enzyme --release-channel=nightly --enable-llvm-assertions --enable-clang --enable-lld --enable-option-checking --enable-ninja --disable-docs ``` @@ -45,7 +45,7 @@ apt install wget vim python3 git curl libssl-dev pkg-config lld ninja-build cmak ``` Then build rustc in a slightly altered way: ```bash -git clone --depth=1 https://github.com/rust-lang/rust.git +git clone https://github.com/rust-lang/rust cd rust ./configure --enable-llvm-link-shared --enable-llvm-plugins --enable-llvm-enzyme --release-channel=nightly --enable-llvm-assertions --enable-clang --enable-lld --enable-option-checking --enable-ninja --disable-docs ./x dist @@ -66,7 +66,7 @@ We recommend that approach, if you just want to use any of them and have no expe However, if you prefer to just build Enzyme without Rust, then these instructions might help. ```bash -git clone --depth=1 git@github.com:llvm/llvm-project.git +git clone git@github.com:llvm/llvm-project cd llvm-project mkdir build cd build @@ -77,7 +77,7 @@ ninja install This gives you a working LLVM build, now we can continue with building Enzyme. Leave the `llvm-project` folder, and execute the following commands: ```bash -git clone git@github.com:EnzymeAD/Enzyme.git +git clone git@github.com:EnzymeAD/Enzyme cd Enzyme/enzyme mkdir build cd build diff --git a/src/doc/rustc-dev-guide/src/offload/installation.md b/src/doc/rustc-dev-guide/src/offload/installation.md index 8cfec44ec8e7..1962314c70ac 100644 --- a/src/doc/rustc-dev-guide/src/offload/installation.md +++ b/src/doc/rustc-dev-guide/src/offload/installation.md @@ -6,7 +6,7 @@ In the future, `std::offload` should become available in nightly builds for user First you need to clone and configure the Rust repository: ```bash -git clone --depth=1 git@github.com:rust-lang/rust.git +git clone git@github.com:rust-lang/rust cd rust ./configure --enable-llvm-link-shared --release-channel=nightly --enable-llvm-assertions --enable-offload --enable-enzyme --enable-clang --enable-lld --enable-option-checking --enable-ninja --disable-docs ``` @@ -26,7 +26,7 @@ rustup toolchain install nightly # enables -Z unstable-options ## Build instruction for LLVM itself ```bash -git clone --depth=1 git@github.com:llvm/llvm-project.git +git clone git@github.com:llvm/llvm-project cd llvm-project mkdir build cd build From 7b39139d22d0d13ff6d31314537bd0acbf2cf563 Mon Sep 17 00:00:00 2001 From: Chayim Refael Friedman Date: Wed, 9 Jul 2025 17:21:45 +0300 Subject: [PATCH 048/157] Don't hash the `SyntaxKind` in the ast id There is no need to, it's already stored in the `kind`. --- .../crates/hir-def/src/item_tree/tests.rs | 42 +++++++++---------- .../hir-def/src/macro_expansion_tests/mbe.rs | 22 +++++----- .../src/macro_expansion_tests/proc_macros.rs | 6 +-- .../rust-analyzer/crates/span/src/ast_id.rs | 7 +--- 4 files changed, 36 insertions(+), 41 deletions(-) diff --git a/src/tools/rust-analyzer/crates/hir-def/src/item_tree/tests.rs b/src/tools/rust-analyzer/crates/hir-def/src/item_tree/tests.rs index 5923b3ea4913..91b42bef8f79 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/item_tree/tests.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/item_tree/tests.rs @@ -35,10 +35,10 @@ use a::{c, d::{e}}; #![no_std] #![doc = " another file comment"] - // AstId: ExternCrate[5A82, 0] + // AstId: ExternCrate[070B, 0] pub(self) extern crate self as renamed; - // AstId: ExternCrate[7E1C, 0] + // AstId: ExternCrate[1EA5, 0] pub(in super) extern crate bli; // AstId: Use[0000, 0] @@ -78,15 +78,15 @@ extern "C" { // AstId: ExternBlock[0000, 0] extern { #[on_extern_type] - // AstId: TypeAlias[9FDF, 0] + // AstId: TypeAlias[A09C, 0] pub(self) type ExType; #[on_extern_static] - // AstId: Static[43C1, 0] + // AstId: Static[D85E, 0] pub(self) static EX_STATIC = _; #[on_extern_fn] - // AstId: Fn[452D, 0] + // AstId: Fn[B240, 0] pub(self) fn ex_fn; } "#]], @@ -124,20 +124,20 @@ enum E { } "#, expect![[r#" - // AstId: Struct[DFF3, 0] + // AstId: Struct[ED35, 0] pub(self) struct Unit; #[derive(Debug)] - // AstId: Struct[C7A1, 0] + // AstId: Struct[A47C, 0] pub(self) struct Struct { ... } - // AstId: Struct[DAC2, 0] + // AstId: Struct[C8C9, 0] pub(self) struct Tuple(...); - // AstId: Union[2DBB, 0] + // AstId: Union[2797, 0] pub(self) union Ize { ... } - // AstId: Enum[7FF8, 0] + // AstId: Enum[7D23, 0] pub(self) enum E { ... } "#]], ); @@ -162,18 +162,18 @@ trait Tr: SuperTrait + 'lifetime { } "#, expect![[r#" - // AstId: Static[B393, 0] + // AstId: Static[F7C1, 0] pub static ST = _; - // AstId: Const[B309, 0] + // AstId: Const[84BB, 0] pub(self) const _ = _; #[attr] #[inner_attr_in_fn] - // AstId: Fn[75E3, 0] + // AstId: Fn[BE8F, 0] pub(self) fn f; - // AstId: Trait[2998, 0] + // AstId: Trait[9320, 0] pub(self) trait Tr { ... } "#]], ); @@ -197,16 +197,16 @@ mod outline; expect![[r##" #[doc = " outer"] #[doc = " inner"] - // AstId: Module[CF93, 0] + // AstId: Module[03AE, 0] pub(self) mod inline { // AstId: Use[0000, 0] pub(self) use super::*; - // AstId: Fn[1B26, 0] + // AstId: Fn[2A78, 0] pub(self) fn fn_in_module; } - // AstId: Module[8994, 0] + // AstId: Module[C08B, 0] pub(self) mod outline; "##]], ); @@ -225,13 +225,13 @@ pub macro m2() {} m!(); "#, expect![[r#" - // AstId: MacroRules[88CE, 0] + // AstId: MacroRules[7E68, 0] macro_rules! m { ... } - // AstId: MacroDef[DC34, 0] + // AstId: MacroDef[1C1E, 0] pub macro m2 { ... } - // AstId: MacroCall[612F, 0], SyntaxContextId: ROOT2024, ExpandTo: Items + // AstId: MacroCall[7E68, 0], SyntaxContextId: ROOT2024, ExpandTo: Items m!(...); "#]], ); @@ -244,7 +244,7 @@ fn pub_self() { pub(self) struct S; "#, expect![[r#" - // AstId: Struct[42E2, 0] + // AstId: Struct[5024, 0] pub(self) struct S; "#]], ) diff --git a/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/mbe.rs b/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/mbe.rs index c6d901ec93bc..c489c1f7c1da 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/mbe.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/mbe.rs @@ -35,9 +35,9 @@ macro_rules! f { }; } -struct#0:MacroRules[8C8E, 0]@58..64#14336# MyTraitMap2#0:MacroCall[D499, 0]@31..42#ROOT2024# {#0:MacroRules[8C8E, 0]@72..73#14336# - map#0:MacroRules[8C8E, 0]@86..89#14336#:#0:MacroRules[8C8E, 0]@89..90#14336# #0:MacroRules[8C8E, 0]@89..90#14336#::#0:MacroRules[8C8E, 0]@91..93#14336#std#0:MacroRules[8C8E, 0]@93..96#14336#::#0:MacroRules[8C8E, 0]@96..98#14336#collections#0:MacroRules[8C8E, 0]@98..109#14336#::#0:MacroRules[8C8E, 0]@109..111#14336#HashSet#0:MacroRules[8C8E, 0]@111..118#14336#<#0:MacroRules[8C8E, 0]@118..119#14336#(#0:MacroRules[8C8E, 0]@119..120#14336#)#0:MacroRules[8C8E, 0]@120..121#14336#>#0:MacroRules[8C8E, 0]@121..122#14336#,#0:MacroRules[8C8E, 0]@122..123#14336# -}#0:MacroRules[8C8E, 0]@132..133#14336# +struct#0:MacroRules[BE8F, 0]@58..64#14336# MyTraitMap2#0:MacroCall[BE8F, 0]@31..42#ROOT2024# {#0:MacroRules[BE8F, 0]@72..73#14336# + map#0:MacroRules[BE8F, 0]@86..89#14336#:#0:MacroRules[BE8F, 0]@89..90#14336# #0:MacroRules[BE8F, 0]@89..90#14336#::#0:MacroRules[BE8F, 0]@91..93#14336#std#0:MacroRules[BE8F, 0]@93..96#14336#::#0:MacroRules[BE8F, 0]@96..98#14336#collections#0:MacroRules[BE8F, 0]@98..109#14336#::#0:MacroRules[BE8F, 0]@109..111#14336#HashSet#0:MacroRules[BE8F, 0]@111..118#14336#<#0:MacroRules[BE8F, 0]@118..119#14336#(#0:MacroRules[BE8F, 0]@119..120#14336#)#0:MacroRules[BE8F, 0]@120..121#14336#>#0:MacroRules[BE8F, 0]@121..122#14336#,#0:MacroRules[BE8F, 0]@122..123#14336# +}#0:MacroRules[BE8F, 0]@132..133#14336# "#]], ); } @@ -75,12 +75,12 @@ macro_rules! f { }; } -fn#0:MacroCall[D499, 0]@30..32#ROOT2024# main#0:MacroCall[D499, 0]@33..37#ROOT2024#(#0:MacroCall[D499, 0]@37..38#ROOT2024#)#0:MacroCall[D499, 0]@38..39#ROOT2024# {#0:MacroCall[D499, 0]@40..41#ROOT2024# - 1#0:MacroCall[D499, 0]@50..51#ROOT2024#;#0:MacroCall[D499, 0]@51..52#ROOT2024# - 1.0#0:MacroCall[D499, 0]@61..64#ROOT2024#;#0:MacroCall[D499, 0]@64..65#ROOT2024# - (#0:MacroCall[D499, 0]@74..75#ROOT2024#(#0:MacroCall[D499, 0]@75..76#ROOT2024#1#0:MacroCall[D499, 0]@76..77#ROOT2024#,#0:MacroCall[D499, 0]@77..78#ROOT2024# )#0:MacroCall[D499, 0]@78..79#ROOT2024#,#0:MacroCall[D499, 0]@79..80#ROOT2024# )#0:MacroCall[D499, 0]@80..81#ROOT2024#.#0:MacroCall[D499, 0]@81..82#ROOT2024#0#0:MacroCall[D499, 0]@82..85#ROOT2024#.#0:MacroCall[D499, 0]@82..85#ROOT2024#0#0:MacroCall[D499, 0]@82..85#ROOT2024#;#0:MacroCall[D499, 0]@85..86#ROOT2024# - let#0:MacroCall[D499, 0]@95..98#ROOT2024# x#0:MacroCall[D499, 0]@99..100#ROOT2024# =#0:MacroCall[D499, 0]@101..102#ROOT2024# 1#0:MacroCall[D499, 0]@103..104#ROOT2024#;#0:MacroCall[D499, 0]@104..105#ROOT2024# -}#0:MacroCall[D499, 0]@110..111#ROOT2024# +fn#0:MacroCall[BE8F, 0]@30..32#ROOT2024# main#0:MacroCall[BE8F, 0]@33..37#ROOT2024#(#0:MacroCall[BE8F, 0]@37..38#ROOT2024#)#0:MacroCall[BE8F, 0]@38..39#ROOT2024# {#0:MacroCall[BE8F, 0]@40..41#ROOT2024# + 1#0:MacroCall[BE8F, 0]@50..51#ROOT2024#;#0:MacroCall[BE8F, 0]@51..52#ROOT2024# + 1.0#0:MacroCall[BE8F, 0]@61..64#ROOT2024#;#0:MacroCall[BE8F, 0]@64..65#ROOT2024# + (#0:MacroCall[BE8F, 0]@74..75#ROOT2024#(#0:MacroCall[BE8F, 0]@75..76#ROOT2024#1#0:MacroCall[BE8F, 0]@76..77#ROOT2024#,#0:MacroCall[BE8F, 0]@77..78#ROOT2024# )#0:MacroCall[BE8F, 0]@78..79#ROOT2024#,#0:MacroCall[BE8F, 0]@79..80#ROOT2024# )#0:MacroCall[BE8F, 0]@80..81#ROOT2024#.#0:MacroCall[BE8F, 0]@81..82#ROOT2024#0#0:MacroCall[BE8F, 0]@82..85#ROOT2024#.#0:MacroCall[BE8F, 0]@82..85#ROOT2024#0#0:MacroCall[BE8F, 0]@82..85#ROOT2024#;#0:MacroCall[BE8F, 0]@85..86#ROOT2024# + let#0:MacroCall[BE8F, 0]@95..98#ROOT2024# x#0:MacroCall[BE8F, 0]@99..100#ROOT2024# =#0:MacroCall[BE8F, 0]@101..102#ROOT2024# 1#0:MacroCall[BE8F, 0]@103..104#ROOT2024#;#0:MacroCall[BE8F, 0]@104..105#ROOT2024# +}#0:MacroCall[BE8F, 0]@110..111#ROOT2024# "#]], @@ -171,7 +171,7 @@ fn main(foo: ()) { } fn main(foo: ()) { - /* error: unresolved macro unresolved */"helloworld!"#0:Fn[B9C7, 0]@236..321#ROOT2024#; + /* error: unresolved macro unresolved */"helloworld!"#0:Fn[15AE, 0]@236..321#ROOT2024#; } } @@ -197,7 +197,7 @@ macro_rules! mk_struct { #[macro_use] mod foo; -struct#1:MacroRules[E572, 0]@59..65#14336# Foo#0:MacroCall[BDD3, 0]@32..35#ROOT2024#(#1:MacroRules[E572, 0]@70..71#14336#u32#0:MacroCall[BDD3, 0]@41..44#ROOT2024#)#1:MacroRules[E572, 0]@74..75#14336#;#1:MacroRules[E572, 0]@75..76#14336# +struct#1:MacroRules[DB0C, 0]@59..65#14336# Foo#0:MacroCall[DB0C, 0]@32..35#ROOT2024#(#1:MacroRules[DB0C, 0]@70..71#14336#u32#0:MacroCall[DB0C, 0]@41..44#ROOT2024#)#1:MacroRules[DB0C, 0]@74..75#14336#;#1:MacroRules[DB0C, 0]@75..76#14336# "#]], ); } diff --git a/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/proc_macros.rs b/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/proc_macros.rs index d5ae6f8d885d..6952a9da1013 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/proc_macros.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/proc_macros.rs @@ -181,9 +181,9 @@ fn foo(&self) { self.0. 1; } -fn#0:Fn[4D85, 0]@45..47#ROOT2024# foo#0:Fn[4D85, 0]@48..51#ROOT2024#(#0:Fn[4D85, 0]@51..52#ROOT2024#�:Fn[4D85, 0]@52..53#ROOT2024#self#0:Fn[4D85, 0]@53..57#ROOT2024# )#0:Fn[4D85, 0]@57..58#ROOT2024# {#0:Fn[4D85, 0]@59..60#ROOT2024# - self#0:Fn[4D85, 0]@65..69#ROOT2024# .#0:Fn[4D85, 0]@69..70#ROOT2024#0#0:Fn[4D85, 0]@70..71#ROOT2024#.#0:Fn[4D85, 0]@71..72#ROOT2024#1#0:Fn[4D85, 0]@73..74#ROOT2024#;#0:Fn[4D85, 0]@74..75#ROOT2024# -}#0:Fn[4D85, 0]@76..77#ROOT2024#"#]], +fn#0:Fn[8A31, 0]@45..47#ROOT2024# foo#0:Fn[8A31, 0]@48..51#ROOT2024#(#0:Fn[8A31, 0]@51..52#ROOT2024#�:Fn[8A31, 0]@52..53#ROOT2024#self#0:Fn[8A31, 0]@53..57#ROOT2024# )#0:Fn[8A31, 0]@57..58#ROOT2024# {#0:Fn[8A31, 0]@59..60#ROOT2024# + self#0:Fn[8A31, 0]@65..69#ROOT2024# .#0:Fn[8A31, 0]@69..70#ROOT2024#0#0:Fn[8A31, 0]@70..71#ROOT2024#.#0:Fn[8A31, 0]@71..72#ROOT2024#1#0:Fn[8A31, 0]@73..74#ROOT2024#;#0:Fn[8A31, 0]@74..75#ROOT2024# +}#0:Fn[8A31, 0]@76..77#ROOT2024#"#]], ); } diff --git a/src/tools/rust-analyzer/crates/span/src/ast_id.rs b/src/tools/rust-analyzer/crates/span/src/ast_id.rs index 121d2e332436..c8b7efaf6d44 100644 --- a/src/tools/rust-analyzer/crates/span/src/ast_id.rs +++ b/src/tools/rust-analyzer/crates/span/src/ast_id.rs @@ -30,7 +30,7 @@ use std::{ use la_arena::{Arena, Idx, RawIdx}; use rustc_hash::{FxBuildHasher, FxHashMap}; use syntax::{ - AstNode, AstPtr, SyntaxKind, SyntaxNode, SyntaxNodePtr, + AstNode, AstPtr, SyntaxNode, SyntaxNodePtr, ast::{self, HasName}, match_ast, }; @@ -278,7 +278,6 @@ impl FileAstId { #[derive(Hash)] struct ErasedHasNameFileAstId<'a> { - kind: SyntaxKind, name: &'a str, } @@ -433,7 +432,6 @@ macro_rules! register_has_name_ast_id { )+ fn has_name_ast_id(node: &SyntaxNode, index_map: &mut ErasedAstIdNextIndexMap) -> Option { - let kind = node.kind(); match_ast! { match node { $( @@ -441,7 +439,6 @@ macro_rules! register_has_name_ast_id { let name = node.$name_method(); let name = name.as_ref().map_or("", |it| it.text_non_mutable()); let result = ErasedHasNameFileAstId { - kind, name, }; Some(index_map.new_id(ErasedFileAstIdKind::$ident, result)) @@ -483,7 +480,6 @@ macro_rules! register_assoc_item_ast_id { index_map: &mut ErasedAstIdNextIndexMap, parent: Option<&ErasedFileAstId>, ) -> Option { - let kind = node.kind(); match_ast! { match node { $( @@ -491,7 +487,6 @@ macro_rules! register_assoc_item_ast_id { let name = $name_callback(node); let name = name.as_ref().map_or("", |it| it.text_non_mutable()); let properties = ErasedHasNameFileAstId { - kind, name, }; let result = ErasedAssocItemFileAstId { From ebdd8598d4b08bc11436c5f3d4b1e338d5131a1c Mon Sep 17 00:00:00 2001 From: Chayim Refael Friedman Date: Wed, 9 Jul 2025 17:37:27 +0300 Subject: [PATCH 049/157] Differentiate between `asm!()`, `global_asm!()` and `naked_asm!()`, and make only `asm!()` unsafe --- .../hir-def/src/expr_store/lower/asm.rs | 13 ++++- .../rust-analyzer/crates/hir-def/src/hir.rs | 11 +++++ .../macro_expansion_tests/builtin_fn_macro.rs | 28 +++++++++++ .../crates/hir-expand/src/builtin/fn_macro.rs | 34 ++++++++++++- .../hir-ty/src/diagnostics/unsafe_check.rs | 9 +++- src/tools/rust-analyzer/crates/hir/src/lib.rs | 3 +- .../rust-analyzer/crates/hir/src/semantics.rs | 2 +- .../src/handlers/missing_unsafe.rs | 15 ++++++ .../parser/src/grammar/expressions/atom.rs | 18 ++++--- .../parser/src/syntax_kind/generated.rs | 12 ++++- .../parser/test_data/generated/runner.rs | 2 + .../test_data/parser/inline/ok/asm_kinds.rast | 49 +++++++++++++++++++ .../test_data/parser/inline/ok/asm_kinds.rs | 5 ++ .../rust-analyzer/crates/syntax/rust.ungram | 3 +- .../crates/syntax/src/ast/generated/nodes.rs | 8 +++ .../xtask/src/codegen/grammar/ast_src.rs | 2 + 16 files changed, 198 insertions(+), 16 deletions(-) create mode 100644 src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/asm_kinds.rast create mode 100644 src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/asm_kinds.rs diff --git a/src/tools/rust-analyzer/crates/hir-def/src/expr_store/lower/asm.rs b/src/tools/rust-analyzer/crates/hir-def/src/expr_store/lower/asm.rs index d36e5205c739..f1cb28d234be 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/expr_store/lower/asm.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/expr_store/lower/asm.rs @@ -10,7 +10,7 @@ use tt::TextRange; use crate::{ expr_store::lower::{ExprCollector, FxIndexSet}, - hir::{AsmOperand, AsmOptions, Expr, ExprId, InlineAsm, InlineAsmRegOrRegClass}, + hir::{AsmOperand, AsmOptions, Expr, ExprId, InlineAsm, InlineAsmKind, InlineAsmRegOrRegClass}, }; impl ExprCollector<'_> { @@ -269,8 +269,17 @@ impl ExprCollector<'_> { } }) }; + + let kind = if asm.global_asm_token().is_some() { + InlineAsmKind::GlobalAsm + } else if asm.naked_asm_token().is_some() { + InlineAsmKind::NakedAsm + } else { + InlineAsmKind::Asm + }; + let idx = self.alloc_expr( - Expr::InlineAsm(InlineAsm { operands: operands.into_boxed_slice(), options }), + Expr::InlineAsm(InlineAsm { operands: operands.into_boxed_slice(), options, kind }), syntax_ptr, ); self.source_map diff --git a/src/tools/rust-analyzer/crates/hir-def/src/hir.rs b/src/tools/rust-analyzer/crates/hir-def/src/hir.rs index 0fc7857d9781..e70cd2cd6c56 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/hir.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/hir.rs @@ -332,6 +332,17 @@ pub struct OffsetOf { pub struct InlineAsm { pub operands: Box<[(Option, AsmOperand)]>, pub options: AsmOptions, + pub kind: InlineAsmKind, +} + +#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] +pub enum InlineAsmKind { + /// `asm!()`. + Asm, + /// `global_asm!()`. + GlobalAsm, + /// `naked_asm!()`. + NakedAsm, } #[derive(Clone, Copy, PartialEq, Eq, Hash)] diff --git a/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/builtin_fn_macro.rs b/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/builtin_fn_macro.rs index 293868df613a..a48a6be4d84b 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/builtin_fn_macro.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/builtin_fn_macro.rs @@ -28,6 +28,20 @@ fn test_asm_expand() { r#" #[rustc_builtin_macro] macro_rules! asm {() => {}} +#[rustc_builtin_macro] +macro_rules! global_asm {() => {}} +#[rustc_builtin_macro] +macro_rules! naked_asm {() => {}} + +// FIXME: This creates an error +// global_asm! { +// "" +// } + +#[unsafe(naked)] +extern "C" fn foo() { + naked_asm!(""); +} fn main() { let i: u64 = 3; @@ -45,6 +59,20 @@ fn main() { expect![[r##" #[rustc_builtin_macro] macro_rules! asm {() => {}} +#[rustc_builtin_macro] +macro_rules! global_asm {() => {}} +#[rustc_builtin_macro] +macro_rules! naked_asm {() => {}} + +// FIXME: This creates an error +// global_asm! { +// "" +// } + +#[unsafe(naked)] +extern "C" fn foo() { + builtin #naked_asm (""); +} fn main() { let i: u64 = 3; diff --git a/src/tools/rust-analyzer/crates/hir-expand/src/builtin/fn_macro.rs b/src/tools/rust-analyzer/crates/hir-expand/src/builtin/fn_macro.rs index 800b40a9e7e5..60fbc660652f 100644 --- a/src/tools/rust-analyzer/crates/hir-expand/src/builtin/fn_macro.rs +++ b/src/tools/rust-analyzer/crates/hir-expand/src/builtin/fn_macro.rs @@ -125,8 +125,8 @@ register_builtin! { (assert, Assert) => assert_expand, (stringify, Stringify) => stringify_expand, (asm, Asm) => asm_expand, - (global_asm, GlobalAsm) => asm_expand, - (naked_asm, NakedAsm) => asm_expand, + (global_asm, GlobalAsm) => global_asm_expand, + (naked_asm, NakedAsm) => naked_asm_expand, (cfg, Cfg) => cfg_expand, (core_panic, CorePanic) => panic_expand, (std_panic, StdPanic) => panic_expand, @@ -325,6 +325,36 @@ fn asm_expand( ExpandResult::ok(expanded) } +fn global_asm_expand( + _db: &dyn ExpandDatabase, + _id: MacroCallId, + tt: &tt::TopSubtree, + span: Span, +) -> ExpandResult { + let mut tt = tt.clone(); + tt.top_subtree_delimiter_mut().kind = tt::DelimiterKind::Parenthesis; + let pound = mk_pound(span); + let expanded = quote! {span => + builtin #pound global_asm #tt + }; + ExpandResult::ok(expanded) +} + +fn naked_asm_expand( + _db: &dyn ExpandDatabase, + _id: MacroCallId, + tt: &tt::TopSubtree, + span: Span, +) -> ExpandResult { + let mut tt = tt.clone(); + tt.top_subtree_delimiter_mut().kind = tt::DelimiterKind::Parenthesis; + let pound = mk_pound(span); + let expanded = quote! {span => + builtin #pound naked_asm #tt + }; + ExpandResult::ok(expanded) +} + fn cfg_expand( db: &dyn ExpandDatabase, id: MacroCallId, diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/unsafe_check.rs b/src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/unsafe_check.rs index 20cf3c781151..84ab8436a687 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/unsafe_check.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/unsafe_check.rs @@ -7,7 +7,7 @@ use either::Either; use hir_def::{ AdtId, DefWithBodyId, FieldId, FunctionId, VariantId, expr_store::{Body, path::Path}, - hir::{AsmOperand, Expr, ExprId, ExprOrPatId, Pat, PatId, Statement, UnaryOp}, + hir::{AsmOperand, Expr, ExprId, ExprOrPatId, InlineAsmKind, Pat, PatId, Statement, UnaryOp}, resolver::{HasResolver, ResolveValueResult, Resolver, ValueNs}, signatures::StaticFlags, type_ref::Rawness, @@ -315,7 +315,12 @@ impl<'db> UnsafeVisitor<'db> { self.inside_assignment = old_inside_assignment; } Expr::InlineAsm(asm) => { - self.on_unsafe_op(current.into(), UnsafetyReason::InlineAsm); + if asm.kind == InlineAsmKind::Asm { + // `naked_asm!()` requires `unsafe` on the attribute (`#[unsafe(naked)]`), + // and `global_asm!()` doesn't require it at all. + self.on_unsafe_op(current.into(), UnsafetyReason::InlineAsm); + } + asm.operands.iter().for_each(|(_, op)| match op { AsmOperand::In { expr, .. } | AsmOperand::Out { expr: Some(expr), .. } diff --git a/src/tools/rust-analyzer/crates/hir/src/lib.rs b/src/tools/rust-analyzer/crates/hir/src/lib.rs index e8a18169712c..55f0268db40b 100644 --- a/src/tools/rust-analyzer/crates/hir/src/lib.rs +++ b/src/tools/rust-analyzer/crates/hir/src/lib.rs @@ -3220,7 +3220,8 @@ impl Macro { } } - pub fn is_asm_or_global_asm(&self, db: &dyn HirDatabase) -> bool { + /// Is this `asm!()`, or a variant of it (e.g. `global_asm!()`)? + pub fn is_asm_like(&self, db: &dyn HirDatabase) -> bool { match self.id { MacroId::Macro2Id(it) => { matches!(it.lookup(db).expander, MacroExpander::BuiltIn(m) if m.is_asm()) diff --git a/src/tools/rust-analyzer/crates/hir/src/semantics.rs b/src/tools/rust-analyzer/crates/hir/src/semantics.rs index 247bb6939831..11dba1f379f7 100644 --- a/src/tools/rust-analyzer/crates/hir/src/semantics.rs +++ b/src/tools/rust-analyzer/crates/hir/src/semantics.rs @@ -1776,7 +1776,7 @@ impl<'db> SemanticsImpl<'db> { pub fn is_unsafe_macro_call(&self, macro_call: &ast::MacroCall) -> bool { let Some(mac) = self.resolve_macro_call(macro_call) else { return false }; - if mac.is_asm_or_global_asm(self.db) { + if mac.is_asm_like(self.db) { return true; } diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/missing_unsafe.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/missing_unsafe.rs index d8f6e813d800..17caf6301825 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/missing_unsafe.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/missing_unsafe.rs @@ -983,4 +983,19 @@ fn test() { "#, ); } + + #[test] + fn naked_asm_is_safe() { + check_diagnostics( + r#" +#[rustc_builtin_macro] +macro_rules! naked_asm { () => {} } + +#[unsafe(naked)] +extern "C" fn naked() { + naked_asm!(""); +} + "#, + ); + } } diff --git a/src/tools/rust-analyzer/crates/parser/src/grammar/expressions/atom.rs b/src/tools/rust-analyzer/crates/parser/src/grammar/expressions/atom.rs index 8ed0fc6729fc..b81a02617333 100644 --- a/src/tools/rust-analyzer/crates/parser/src/grammar/expressions/atom.rs +++ b/src/tools/rust-analyzer/crates/parser/src/grammar/expressions/atom.rs @@ -253,8 +253,7 @@ fn builtin_expr(p: &mut Parser<'_>) -> Option { let m = p.start(); p.bump_remap(T![builtin]); p.bump(T![#]); - if p.at_contextual_kw(T![offset_of]) { - p.bump_remap(T![offset_of]); + if p.eat_contextual_kw(T![offset_of]) { p.expect(T!['(']); type_(p); p.expect(T![,]); @@ -278,8 +277,7 @@ fn builtin_expr(p: &mut Parser<'_>) -> Option { p.expect(T![')']); } Some(m.complete(p, OFFSET_OF_EXPR)) - } else if p.at_contextual_kw(T![format_args]) { - p.bump_remap(T![format_args]); + } else if p.eat_contextual_kw(T![format_args]) { p.expect(T!['(']); expr(p); if p.eat(T![,]) { @@ -302,7 +300,16 @@ fn builtin_expr(p: &mut Parser<'_>) -> Option { } p.expect(T![')']); Some(m.complete(p, FORMAT_ARGS_EXPR)) - } else if p.at_contextual_kw(T![asm]) { + } else if p.eat_contextual_kw(T![asm]) + || p.eat_contextual_kw(T![global_asm]) + || p.eat_contextual_kw(T![naked_asm]) + { + // test asm_kinds + // fn foo() { + // builtin#asm(""); + // builtin#global_asm(""); + // builtin#naked_asm(""); + // } parse_asm_expr(p, m) } else { m.abandon(p); @@ -322,7 +329,6 @@ fn builtin_expr(p: &mut Parser<'_>) -> Option { // ); // } fn parse_asm_expr(p: &mut Parser<'_>, m: Marker) -> Option { - p.bump_remap(T![asm]); p.expect(T!['(']); if expr(p).is_none() { p.err_and_bump("expected asm template"); diff --git a/src/tools/rust-analyzer/crates/parser/src/syntax_kind/generated.rs b/src/tools/rust-analyzer/crates/parser/src/syntax_kind/generated.rs index f534546ea07e..12a13caa4d91 100644 --- a/src/tools/rust-analyzer/crates/parser/src/syntax_kind/generated.rs +++ b/src/tools/rust-analyzer/crates/parser/src/syntax_kind/generated.rs @@ -120,12 +120,14 @@ pub enum SyntaxKind { DYN_KW, FORMAT_ARGS_KW, GEN_KW, + GLOBAL_ASM_KW, INLATEOUT_KW, INOUT_KW, LABEL_KW, LATEOUT_KW, MACRO_RULES_KW, MAY_UNWIND_KW, + NAKED_ASM_KW, NOMEM_KW, NORETURN_KW, NOSTACK_KW, @@ -599,12 +601,14 @@ impl SyntaxKind { DEFAULT_KW => "default", DYN_KW => "dyn", FORMAT_ARGS_KW => "format_args", + GLOBAL_ASM_KW => "global_asm", INLATEOUT_KW => "inlateout", INOUT_KW => "inout", LABEL_KW => "label", LATEOUT_KW => "lateout", MACRO_RULES_KW => "macro_rules", MAY_UNWIND_KW => "may_unwind", + NAKED_ASM_KW => "naked_asm", NOMEM_KW => "nomem", NORETURN_KW => "noreturn", NOSTACK_KW => "nostack", @@ -699,12 +703,14 @@ impl SyntaxKind { DEFAULT_KW => true, DYN_KW if edition < Edition::Edition2018 => true, FORMAT_ARGS_KW => true, + GLOBAL_ASM_KW => true, INLATEOUT_KW => true, INOUT_KW => true, LABEL_KW => true, LATEOUT_KW => true, MACRO_RULES_KW => true, MAY_UNWIND_KW => true, + NAKED_ASM_KW => true, NOMEM_KW => true, NORETURN_KW => true, NOSTACK_KW => true, @@ -787,12 +793,14 @@ impl SyntaxKind { DEFAULT_KW => true, DYN_KW if edition < Edition::Edition2018 => true, FORMAT_ARGS_KW => true, + GLOBAL_ASM_KW => true, INLATEOUT_KW => true, INOUT_KW => true, LABEL_KW => true, LATEOUT_KW => true, MACRO_RULES_KW => true, MAY_UNWIND_KW => true, + NAKED_ASM_KW => true, NOMEM_KW => true, NORETURN_KW => true, NOSTACK_KW => true, @@ -938,12 +946,14 @@ impl SyntaxKind { "default" => DEFAULT_KW, "dyn" if edition < Edition::Edition2018 => DYN_KW, "format_args" => FORMAT_ARGS_KW, + "global_asm" => GLOBAL_ASM_KW, "inlateout" => INLATEOUT_KW, "inout" => INOUT_KW, "label" => LABEL_KW, "lateout" => LATEOUT_KW, "macro_rules" => MACRO_RULES_KW, "may_unwind" => MAY_UNWIND_KW, + "naked_asm" => NAKED_ASM_KW, "nomem" => NOMEM_KW, "noreturn" => NORETURN_KW, "nostack" => NOSTACK_KW, @@ -998,7 +1008,7 @@ impl SyntaxKind { } } #[macro_export] -macro_rules ! T_ { [$] => { $ crate :: SyntaxKind :: DOLLAR } ; [;] => { $ crate :: SyntaxKind :: SEMICOLON } ; [,] => { $ crate :: SyntaxKind :: COMMA } ; ['('] => { $ crate :: SyntaxKind :: L_PAREN } ; [')'] => { $ crate :: SyntaxKind :: R_PAREN } ; ['{'] => { $ crate :: SyntaxKind :: L_CURLY } ; ['}'] => { $ crate :: SyntaxKind :: R_CURLY } ; ['['] => { $ crate :: SyntaxKind :: L_BRACK } ; [']'] => { $ crate :: SyntaxKind :: R_BRACK } ; [<] => { $ crate :: SyntaxKind :: L_ANGLE } ; [>] => { $ crate :: SyntaxKind :: R_ANGLE } ; [@] => { $ crate :: SyntaxKind :: AT } ; [#] => { $ crate :: SyntaxKind :: POUND } ; [~] => { $ crate :: SyntaxKind :: TILDE } ; [?] => { $ crate :: SyntaxKind :: QUESTION } ; [&] => { $ crate :: SyntaxKind :: AMP } ; [|] => { $ crate :: SyntaxKind :: PIPE } ; [+] => { $ crate :: SyntaxKind :: PLUS } ; [*] => { $ crate :: SyntaxKind :: STAR } ; [/] => { $ crate :: SyntaxKind :: SLASH } ; [^] => { $ crate :: SyntaxKind :: CARET } ; [%] => { $ crate :: SyntaxKind :: PERCENT } ; [_] => { $ crate :: SyntaxKind :: UNDERSCORE } ; [.] => { $ crate :: SyntaxKind :: DOT } ; [..] => { $ crate :: SyntaxKind :: DOT2 } ; [...] => { $ crate :: SyntaxKind :: DOT3 } ; [..=] => { $ crate :: SyntaxKind :: DOT2EQ } ; [:] => { $ crate :: SyntaxKind :: COLON } ; [::] => { $ crate :: SyntaxKind :: COLON2 } ; [=] => { $ crate :: SyntaxKind :: EQ } ; [==] => { $ crate :: SyntaxKind :: EQ2 } ; [=>] => { $ crate :: SyntaxKind :: FAT_ARROW } ; [!] => { $ crate :: SyntaxKind :: BANG } ; [!=] => { $ crate :: SyntaxKind :: NEQ } ; [-] => { $ crate :: SyntaxKind :: MINUS } ; [->] => { $ crate :: SyntaxKind :: THIN_ARROW } ; [<=] => { $ crate :: SyntaxKind :: LTEQ } ; [>=] => { $ crate :: SyntaxKind :: GTEQ } ; [+=] => { $ crate :: SyntaxKind :: PLUSEQ } ; [-=] => { $ crate :: SyntaxKind :: MINUSEQ } ; [|=] => { $ crate :: SyntaxKind :: PIPEEQ } ; [&=] => { $ crate :: SyntaxKind :: AMPEQ } ; [^=] => { $ crate :: SyntaxKind :: CARETEQ } ; [/=] => { $ crate :: SyntaxKind :: SLASHEQ } ; [*=] => { $ crate :: SyntaxKind :: STAREQ } ; [%=] => { $ crate :: SyntaxKind :: PERCENTEQ } ; [&&] => { $ crate :: SyntaxKind :: AMP2 } ; [||] => { $ crate :: SyntaxKind :: PIPE2 } ; [<<] => { $ crate :: SyntaxKind :: SHL } ; [>>] => { $ crate :: SyntaxKind :: SHR } ; [<<=] => { $ crate :: SyntaxKind :: SHLEQ } ; [>>=] => { $ crate :: SyntaxKind :: SHREQ } ; [Self] => { $ crate :: SyntaxKind :: SELF_TYPE_KW } ; [abstract] => { $ crate :: SyntaxKind :: ABSTRACT_KW } ; [as] => { $ crate :: SyntaxKind :: AS_KW } ; [become] => { $ crate :: SyntaxKind :: BECOME_KW } ; [box] => { $ crate :: SyntaxKind :: BOX_KW } ; [break] => { $ crate :: SyntaxKind :: BREAK_KW } ; [const] => { $ crate :: SyntaxKind :: CONST_KW } ; [continue] => { $ crate :: SyntaxKind :: CONTINUE_KW } ; [crate] => { $ crate :: SyntaxKind :: CRATE_KW } ; [do] => { $ crate :: SyntaxKind :: DO_KW } ; [else] => { $ crate :: SyntaxKind :: ELSE_KW } ; [enum] => { $ crate :: SyntaxKind :: ENUM_KW } ; [extern] => { $ crate :: SyntaxKind :: EXTERN_KW } ; [false] => { $ crate :: SyntaxKind :: FALSE_KW } ; [final] => { $ crate :: SyntaxKind :: FINAL_KW } ; [fn] => { $ crate :: SyntaxKind :: FN_KW } ; [for] => { $ crate :: SyntaxKind :: FOR_KW } ; [if] => { $ crate :: SyntaxKind :: IF_KW } ; [impl] => { $ crate :: SyntaxKind :: IMPL_KW } ; [in] => { $ crate :: SyntaxKind :: IN_KW } ; [let] => { $ crate :: SyntaxKind :: LET_KW } ; [loop] => { $ crate :: SyntaxKind :: LOOP_KW } ; [macro] => { $ crate :: SyntaxKind :: MACRO_KW } ; [match] => { $ crate :: SyntaxKind :: MATCH_KW } ; [mod] => { $ crate :: SyntaxKind :: MOD_KW } ; [move] => { $ crate :: SyntaxKind :: MOVE_KW } ; [mut] => { $ crate :: SyntaxKind :: MUT_KW } ; [override] => { $ crate :: SyntaxKind :: OVERRIDE_KW } ; [priv] => { $ crate :: SyntaxKind :: PRIV_KW } ; [pub] => { $ crate :: SyntaxKind :: PUB_KW } ; [ref] => { $ crate :: SyntaxKind :: REF_KW } ; [return] => { $ crate :: SyntaxKind :: RETURN_KW } ; [self] => { $ crate :: SyntaxKind :: SELF_KW } ; [static] => { $ crate :: SyntaxKind :: STATIC_KW } ; [struct] => { $ crate :: SyntaxKind :: STRUCT_KW } ; [super] => { $ crate :: SyntaxKind :: SUPER_KW } ; [trait] => { $ crate :: SyntaxKind :: TRAIT_KW } ; [true] => { $ crate :: SyntaxKind :: TRUE_KW } ; [type] => { $ crate :: SyntaxKind :: TYPE_KW } ; [typeof] => { $ crate :: SyntaxKind :: TYPEOF_KW } ; [unsafe] => { $ crate :: SyntaxKind :: UNSAFE_KW } ; [unsized] => { $ crate :: SyntaxKind :: UNSIZED_KW } ; [use] => { $ crate :: SyntaxKind :: USE_KW } ; [virtual] => { $ crate :: SyntaxKind :: VIRTUAL_KW } ; [where] => { $ crate :: SyntaxKind :: WHERE_KW } ; [while] => { $ crate :: SyntaxKind :: WHILE_KW } ; [yield] => { $ crate :: SyntaxKind :: YIELD_KW } ; [asm] => { $ crate :: SyntaxKind :: ASM_KW } ; [att_syntax] => { $ crate :: SyntaxKind :: ATT_SYNTAX_KW } ; [auto] => { $ crate :: SyntaxKind :: AUTO_KW } ; [builtin] => { $ crate :: SyntaxKind :: BUILTIN_KW } ; [clobber_abi] => { $ crate :: SyntaxKind :: CLOBBER_ABI_KW } ; [default] => { $ crate :: SyntaxKind :: DEFAULT_KW } ; [dyn] => { $ crate :: SyntaxKind :: DYN_KW } ; [format_args] => { $ crate :: SyntaxKind :: FORMAT_ARGS_KW } ; [inlateout] => { $ crate :: SyntaxKind :: INLATEOUT_KW } ; [inout] => { $ crate :: SyntaxKind :: INOUT_KW } ; [label] => { $ crate :: SyntaxKind :: LABEL_KW } ; [lateout] => { $ crate :: SyntaxKind :: LATEOUT_KW } ; [macro_rules] => { $ crate :: SyntaxKind :: MACRO_RULES_KW } ; [may_unwind] => { $ crate :: SyntaxKind :: MAY_UNWIND_KW } ; [nomem] => { $ crate :: SyntaxKind :: NOMEM_KW } ; [noreturn] => { $ crate :: SyntaxKind :: NORETURN_KW } ; [nostack] => { $ crate :: SyntaxKind :: NOSTACK_KW } ; [offset_of] => { $ crate :: SyntaxKind :: OFFSET_OF_KW } ; [options] => { $ crate :: SyntaxKind :: OPTIONS_KW } ; [out] => { $ crate :: SyntaxKind :: OUT_KW } ; [preserves_flags] => { $ crate :: SyntaxKind :: PRESERVES_FLAGS_KW } ; [pure] => { $ crate :: SyntaxKind :: PURE_KW } ; [raw] => { $ crate :: SyntaxKind :: RAW_KW } ; [readonly] => { $ crate :: SyntaxKind :: READONLY_KW } ; [safe] => { $ crate :: SyntaxKind :: SAFE_KW } ; [sym] => { $ crate :: SyntaxKind :: SYM_KW } ; [union] => { $ crate :: SyntaxKind :: UNION_KW } ; [yeet] => { $ crate :: SyntaxKind :: YEET_KW } ; [async] => { $ crate :: SyntaxKind :: ASYNC_KW } ; [await] => { $ crate :: SyntaxKind :: AWAIT_KW } ; [dyn] => { $ crate :: SyntaxKind :: DYN_KW } ; [gen] => { $ crate :: SyntaxKind :: GEN_KW } ; [try] => { $ crate :: SyntaxKind :: TRY_KW } ; [lifetime_ident] => { $ crate :: SyntaxKind :: LIFETIME_IDENT } ; [int_number] => { $ crate :: SyntaxKind :: INT_NUMBER } ; [ident] => { $ crate :: SyntaxKind :: IDENT } ; [string] => { $ crate :: SyntaxKind :: STRING } ; [shebang] => { $ crate :: SyntaxKind :: SHEBANG } ; [frontmatter] => { $ crate :: SyntaxKind :: FRONTMATTER } ; } +macro_rules ! T_ { [$] => { $ crate :: SyntaxKind :: DOLLAR } ; [;] => { $ crate :: SyntaxKind :: SEMICOLON } ; [,] => { $ crate :: SyntaxKind :: COMMA } ; ['('] => { $ crate :: SyntaxKind :: L_PAREN } ; [')'] => { $ crate :: SyntaxKind :: R_PAREN } ; ['{'] => { $ crate :: SyntaxKind :: L_CURLY } ; ['}'] => { $ crate :: SyntaxKind :: R_CURLY } ; ['['] => { $ crate :: SyntaxKind :: L_BRACK } ; [']'] => { $ crate :: SyntaxKind :: R_BRACK } ; [<] => { $ crate :: SyntaxKind :: L_ANGLE } ; [>] => { $ crate :: SyntaxKind :: R_ANGLE } ; [@] => { $ crate :: SyntaxKind :: AT } ; [#] => { $ crate :: SyntaxKind :: POUND } ; [~] => { $ crate :: SyntaxKind :: TILDE } ; [?] => { $ crate :: SyntaxKind :: QUESTION } ; [&] => { $ crate :: SyntaxKind :: AMP } ; [|] => { $ crate :: SyntaxKind :: PIPE } ; [+] => { $ crate :: SyntaxKind :: PLUS } ; [*] => { $ crate :: SyntaxKind :: STAR } ; [/] => { $ crate :: SyntaxKind :: SLASH } ; [^] => { $ crate :: SyntaxKind :: CARET } ; [%] => { $ crate :: SyntaxKind :: PERCENT } ; [_] => { $ crate :: SyntaxKind :: UNDERSCORE } ; [.] => { $ crate :: SyntaxKind :: DOT } ; [..] => { $ crate :: SyntaxKind :: DOT2 } ; [...] => { $ crate :: SyntaxKind :: DOT3 } ; [..=] => { $ crate :: SyntaxKind :: DOT2EQ } ; [:] => { $ crate :: SyntaxKind :: COLON } ; [::] => { $ crate :: SyntaxKind :: COLON2 } ; [=] => { $ crate :: SyntaxKind :: EQ } ; [==] => { $ crate :: SyntaxKind :: EQ2 } ; [=>] => { $ crate :: SyntaxKind :: FAT_ARROW } ; [!] => { $ crate :: SyntaxKind :: BANG } ; [!=] => { $ crate :: SyntaxKind :: NEQ } ; [-] => { $ crate :: SyntaxKind :: MINUS } ; [->] => { $ crate :: SyntaxKind :: THIN_ARROW } ; [<=] => { $ crate :: SyntaxKind :: LTEQ } ; [>=] => { $ crate :: SyntaxKind :: GTEQ } ; [+=] => { $ crate :: SyntaxKind :: PLUSEQ } ; [-=] => { $ crate :: SyntaxKind :: MINUSEQ } ; [|=] => { $ crate :: SyntaxKind :: PIPEEQ } ; [&=] => { $ crate :: SyntaxKind :: AMPEQ } ; [^=] => { $ crate :: SyntaxKind :: CARETEQ } ; [/=] => { $ crate :: SyntaxKind :: SLASHEQ } ; [*=] => { $ crate :: SyntaxKind :: STAREQ } ; [%=] => { $ crate :: SyntaxKind :: PERCENTEQ } ; [&&] => { $ crate :: SyntaxKind :: AMP2 } ; [||] => { $ crate :: SyntaxKind :: PIPE2 } ; [<<] => { $ crate :: SyntaxKind :: SHL } ; [>>] => { $ crate :: SyntaxKind :: SHR } ; [<<=] => { $ crate :: SyntaxKind :: SHLEQ } ; [>>=] => { $ crate :: SyntaxKind :: SHREQ } ; [Self] => { $ crate :: SyntaxKind :: SELF_TYPE_KW } ; [abstract] => { $ crate :: SyntaxKind :: ABSTRACT_KW } ; [as] => { $ crate :: SyntaxKind :: AS_KW } ; [become] => { $ crate :: SyntaxKind :: BECOME_KW } ; [box] => { $ crate :: SyntaxKind :: BOX_KW } ; [break] => { $ crate :: SyntaxKind :: BREAK_KW } ; [const] => { $ crate :: SyntaxKind :: CONST_KW } ; [continue] => { $ crate :: SyntaxKind :: CONTINUE_KW } ; [crate] => { $ crate :: SyntaxKind :: CRATE_KW } ; [do] => { $ crate :: SyntaxKind :: DO_KW } ; [else] => { $ crate :: SyntaxKind :: ELSE_KW } ; [enum] => { $ crate :: SyntaxKind :: ENUM_KW } ; [extern] => { $ crate :: SyntaxKind :: EXTERN_KW } ; [false] => { $ crate :: SyntaxKind :: FALSE_KW } ; [final] => { $ crate :: SyntaxKind :: FINAL_KW } ; [fn] => { $ crate :: SyntaxKind :: FN_KW } ; [for] => { $ crate :: SyntaxKind :: FOR_KW } ; [if] => { $ crate :: SyntaxKind :: IF_KW } ; [impl] => { $ crate :: SyntaxKind :: IMPL_KW } ; [in] => { $ crate :: SyntaxKind :: IN_KW } ; [let] => { $ crate :: SyntaxKind :: LET_KW } ; [loop] => { $ crate :: SyntaxKind :: LOOP_KW } ; [macro] => { $ crate :: SyntaxKind :: MACRO_KW } ; [match] => { $ crate :: SyntaxKind :: MATCH_KW } ; [mod] => { $ crate :: SyntaxKind :: MOD_KW } ; [move] => { $ crate :: SyntaxKind :: MOVE_KW } ; [mut] => { $ crate :: SyntaxKind :: MUT_KW } ; [override] => { $ crate :: SyntaxKind :: OVERRIDE_KW } ; [priv] => { $ crate :: SyntaxKind :: PRIV_KW } ; [pub] => { $ crate :: SyntaxKind :: PUB_KW } ; [ref] => { $ crate :: SyntaxKind :: REF_KW } ; [return] => { $ crate :: SyntaxKind :: RETURN_KW } ; [self] => { $ crate :: SyntaxKind :: SELF_KW } ; [static] => { $ crate :: SyntaxKind :: STATIC_KW } ; [struct] => { $ crate :: SyntaxKind :: STRUCT_KW } ; [super] => { $ crate :: SyntaxKind :: SUPER_KW } ; [trait] => { $ crate :: SyntaxKind :: TRAIT_KW } ; [true] => { $ crate :: SyntaxKind :: TRUE_KW } ; [type] => { $ crate :: SyntaxKind :: TYPE_KW } ; [typeof] => { $ crate :: SyntaxKind :: TYPEOF_KW } ; [unsafe] => { $ crate :: SyntaxKind :: UNSAFE_KW } ; [unsized] => { $ crate :: SyntaxKind :: UNSIZED_KW } ; [use] => { $ crate :: SyntaxKind :: USE_KW } ; [virtual] => { $ crate :: SyntaxKind :: VIRTUAL_KW } ; [where] => { $ crate :: SyntaxKind :: WHERE_KW } ; [while] => { $ crate :: SyntaxKind :: WHILE_KW } ; [yield] => { $ crate :: SyntaxKind :: YIELD_KW } ; [asm] => { $ crate :: SyntaxKind :: ASM_KW } ; [att_syntax] => { $ crate :: SyntaxKind :: ATT_SYNTAX_KW } ; [auto] => { $ crate :: SyntaxKind :: AUTO_KW } ; [builtin] => { $ crate :: SyntaxKind :: BUILTIN_KW } ; [clobber_abi] => { $ crate :: SyntaxKind :: CLOBBER_ABI_KW } ; [default] => { $ crate :: SyntaxKind :: DEFAULT_KW } ; [dyn] => { $ crate :: SyntaxKind :: DYN_KW } ; [format_args] => { $ crate :: SyntaxKind :: FORMAT_ARGS_KW } ; [global_asm] => { $ crate :: SyntaxKind :: GLOBAL_ASM_KW } ; [inlateout] => { $ crate :: SyntaxKind :: INLATEOUT_KW } ; [inout] => { $ crate :: SyntaxKind :: INOUT_KW } ; [label] => { $ crate :: SyntaxKind :: LABEL_KW } ; [lateout] => { $ crate :: SyntaxKind :: LATEOUT_KW } ; [macro_rules] => { $ crate :: SyntaxKind :: MACRO_RULES_KW } ; [may_unwind] => { $ crate :: SyntaxKind :: MAY_UNWIND_KW } ; [naked_asm] => { $ crate :: SyntaxKind :: NAKED_ASM_KW } ; [nomem] => { $ crate :: SyntaxKind :: NOMEM_KW } ; [noreturn] => { $ crate :: SyntaxKind :: NORETURN_KW } ; [nostack] => { $ crate :: SyntaxKind :: NOSTACK_KW } ; [offset_of] => { $ crate :: SyntaxKind :: OFFSET_OF_KW } ; [options] => { $ crate :: SyntaxKind :: OPTIONS_KW } ; [out] => { $ crate :: SyntaxKind :: OUT_KW } ; [preserves_flags] => { $ crate :: SyntaxKind :: PRESERVES_FLAGS_KW } ; [pure] => { $ crate :: SyntaxKind :: PURE_KW } ; [raw] => { $ crate :: SyntaxKind :: RAW_KW } ; [readonly] => { $ crate :: SyntaxKind :: READONLY_KW } ; [safe] => { $ crate :: SyntaxKind :: SAFE_KW } ; [sym] => { $ crate :: SyntaxKind :: SYM_KW } ; [union] => { $ crate :: SyntaxKind :: UNION_KW } ; [yeet] => { $ crate :: SyntaxKind :: YEET_KW } ; [async] => { $ crate :: SyntaxKind :: ASYNC_KW } ; [await] => { $ crate :: SyntaxKind :: AWAIT_KW } ; [dyn] => { $ crate :: SyntaxKind :: DYN_KW } ; [gen] => { $ crate :: SyntaxKind :: GEN_KW } ; [try] => { $ crate :: SyntaxKind :: TRY_KW } ; [lifetime_ident] => { $ crate :: SyntaxKind :: LIFETIME_IDENT } ; [int_number] => { $ crate :: SyntaxKind :: INT_NUMBER } ; [ident] => { $ crate :: SyntaxKind :: IDENT } ; [string] => { $ crate :: SyntaxKind :: STRING } ; [shebang] => { $ crate :: SyntaxKind :: SHEBANG } ; [frontmatter] => { $ crate :: SyntaxKind :: FRONTMATTER } ; } impl ::core::marker::Copy for SyntaxKind {} impl ::core::clone::Clone for SyntaxKind { #[inline] diff --git a/src/tools/rust-analyzer/crates/parser/test_data/generated/runner.rs b/src/tools/rust-analyzer/crates/parser/test_data/generated/runner.rs index 6ec4192830bc..8053d0b22d24 100644 --- a/src/tools/rust-analyzer/crates/parser/test_data/generated/runner.rs +++ b/src/tools/rust-analyzer/crates/parser/test_data/generated/runner.rs @@ -21,6 +21,8 @@ mod ok { #[test] fn asm_expr() { run_and_expect_no_errors("test_data/parser/inline/ok/asm_expr.rs"); } #[test] + fn asm_kinds() { run_and_expect_no_errors("test_data/parser/inline/ok/asm_kinds.rs"); } + #[test] fn asm_label() { run_and_expect_no_errors("test_data/parser/inline/ok/asm_label.rs"); } #[test] fn assoc_const_eq() { diff --git a/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/asm_kinds.rast b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/asm_kinds.rast new file mode 100644 index 000000000000..fbf95d15f249 --- /dev/null +++ b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/asm_kinds.rast @@ -0,0 +1,49 @@ +SOURCE_FILE + FN + FN_KW "fn" + WHITESPACE " " + NAME + IDENT "foo" + PARAM_LIST + L_PAREN "(" + R_PAREN ")" + WHITESPACE " " + BLOCK_EXPR + STMT_LIST + L_CURLY "{" + WHITESPACE "\n " + EXPR_STMT + ASM_EXPR + BUILTIN_KW "builtin" + POUND "#" + ASM_KW "asm" + L_PAREN "(" + LITERAL + STRING "\"\"" + R_PAREN ")" + SEMICOLON ";" + WHITESPACE "\n " + EXPR_STMT + ASM_EXPR + BUILTIN_KW "builtin" + POUND "#" + GLOBAL_ASM_KW "global_asm" + L_PAREN "(" + LITERAL + STRING "\"\"" + R_PAREN ")" + SEMICOLON ";" + WHITESPACE "\n " + EXPR_STMT + ASM_EXPR + BUILTIN_KW "builtin" + POUND "#" + NAKED_ASM_KW "naked_asm" + L_PAREN "(" + LITERAL + STRING "\"\"" + R_PAREN ")" + SEMICOLON ";" + WHITESPACE "\n" + R_CURLY "}" + WHITESPACE "\n" diff --git a/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/asm_kinds.rs b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/asm_kinds.rs new file mode 100644 index 000000000000..9c03e9de6893 --- /dev/null +++ b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/asm_kinds.rs @@ -0,0 +1,5 @@ +fn foo() { + builtin#asm(""); + builtin#global_asm(""); + builtin#naked_asm(""); +} diff --git a/src/tools/rust-analyzer/crates/syntax/rust.ungram b/src/tools/rust-analyzer/crates/syntax/rust.ungram index 3f4394723374..88ecbb0ef006 100644 --- a/src/tools/rust-analyzer/crates/syntax/rust.ungram +++ b/src/tools/rust-analyzer/crates/syntax/rust.ungram @@ -409,7 +409,8 @@ OffsetOfExpr = // global_asm := "global_asm!(" format_string *("," format_string) *("," operand) [","] ")" // format_string := STRING_LITERAL / RAW_STRING_LITERAL AsmExpr = - Attr* 'builtin' '#' 'asm' '(' template:(Expr (',' Expr)*) (AsmPiece (',' AsmPiece)*)? ','? ')' + Attr* 'builtin' '#' ( 'asm' | 'global_asm' | 'naked_asm' ) + '(' template:(Expr (',' Expr)*) (AsmPiece (',' AsmPiece)*)? ','? ')' // operand_expr := expr / "_" / expr "=>" expr / expr "=>" "_" AsmOperandExpr = in_expr:Expr ('=>' out_expr:Expr)? diff --git a/src/tools/rust-analyzer/crates/syntax/src/ast/generated/nodes.rs b/src/tools/rust-analyzer/crates/syntax/src/ast/generated/nodes.rs index 79a9f4da3380..e1e331d653e0 100644 --- a/src/tools/rust-analyzer/crates/syntax/src/ast/generated/nodes.rs +++ b/src/tools/rust-analyzer/crates/syntax/src/ast/generated/nodes.rs @@ -118,6 +118,14 @@ impl AsmExpr { pub fn asm_token(&self) -> Option { support::token(&self.syntax, T![asm]) } #[inline] pub fn builtin_token(&self) -> Option { support::token(&self.syntax, T![builtin]) } + #[inline] + pub fn global_asm_token(&self) -> Option { + support::token(&self.syntax, T![global_asm]) + } + #[inline] + pub fn naked_asm_token(&self) -> Option { + support::token(&self.syntax, T![naked_asm]) + } } pub struct AsmLabel { pub(crate) syntax: SyntaxNode, diff --git a/src/tools/rust-analyzer/xtask/src/codegen/grammar/ast_src.rs b/src/tools/rust-analyzer/xtask/src/codegen/grammar/ast_src.rs index d8cbf894520a..b9f570fe0e32 100644 --- a/src/tools/rust-analyzer/xtask/src/codegen/grammar/ast_src.rs +++ b/src/tools/rust-analyzer/xtask/src/codegen/grammar/ast_src.rs @@ -116,6 +116,8 @@ const CONTEXTUAL_KEYWORDS: &[&str] = // keywords we use for special macro expansions const CONTEXTUAL_BUILTIN_KEYWORDS: &[&str] = &[ "asm", + "naked_asm", + "global_asm", "att_syntax", "builtin", "clobber_abi", From 90653b0f5cbe567cee2489c0b71ce4ddd26c8f71 Mon Sep 17 00:00:00 2001 From: Chayim Refael Friedman Date: Wed, 9 Jul 2025 18:55:27 +0300 Subject: [PATCH 050/157] Make `global_asm!()` work Because apparently, we were not accepting inline asm in item position, completely breaking it. --- .../crates/hir-def/src/item_tree/lower.rs | 2 ++ .../macro_expansion_tests/builtin_fn_macro.rs | 12 ++++-------- .../crates/hir-def/src/resolver.rs | 11 ----------- .../crates/hir/src/source_analyzer.rs | 8 +++++--- .../crates/parser/src/grammar/expressions.rs | 2 +- .../parser/src/grammar/expressions/atom.rs | 2 +- .../crates/parser/src/grammar/items.rs | 13 +++++++++++++ .../parser/test_data/generated/runner.rs | 2 ++ .../test_data/parser/inline/ok/asm_kinds.rast | 19 +++++++++---------- .../parser/inline/ok/global_asm.rast | 10 ++++++++++ .../test_data/parser/inline/ok/global_asm.rs | 1 + .../rust-analyzer/crates/syntax/rust.ungram | 1 + .../crates/syntax/src/ast/generated/nodes.rs | 11 +++++++++-- 13 files changed, 58 insertions(+), 36 deletions(-) create mode 100644 src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/global_asm.rast create mode 100644 src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/global_asm.rs diff --git a/src/tools/rust-analyzer/crates/hir-def/src/item_tree/lower.rs b/src/tools/rust-analyzer/crates/hir-def/src/item_tree/lower.rs index f3273667158d..5ab61c89394b 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/item_tree/lower.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/item_tree/lower.rs @@ -143,6 +143,8 @@ impl<'a> Ctx<'a> { ast::Item::MacroRules(ast) => self.lower_macro_rules(ast)?.into(), ast::Item::MacroDef(ast) => self.lower_macro_def(ast)?.into(), ast::Item::ExternBlock(ast) => self.lower_extern_block(ast).into(), + // FIXME: Handle `global_asm!()`. + ast::Item::AsmExpr(_) => return None, }; let attrs = RawAttrs::new(self.db, item, self.span_map()); self.add_attrs(mod_item.ast_id(), attrs); diff --git a/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/builtin_fn_macro.rs b/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/builtin_fn_macro.rs index a48a6be4d84b..1c3af47d522c 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/builtin_fn_macro.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/builtin_fn_macro.rs @@ -33,10 +33,9 @@ macro_rules! global_asm {() => {}} #[rustc_builtin_macro] macro_rules! naked_asm {() => {}} -// FIXME: This creates an error -// global_asm! { -// "" -// } +global_asm! { + "" +} #[unsafe(naked)] extern "C" fn foo() { @@ -64,10 +63,7 @@ macro_rules! global_asm {() => {}} #[rustc_builtin_macro] macro_rules! naked_asm {() => {}} -// FIXME: This creates an error -// global_asm! { -// "" -// } +builtin #global_asm ("") #[unsafe(naked)] extern "C" fn foo() { diff --git a/src/tools/rust-analyzer/crates/hir-def/src/resolver.rs b/src/tools/rust-analyzer/crates/hir-def/src/resolver.rs index 6f321980af43..316ad5dae69d 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/resolver.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/resolver.rs @@ -1052,17 +1052,6 @@ impl<'db> Scope<'db> { } } -pub fn resolver_for_expr( - db: &dyn DefDatabase, - owner: DefWithBodyId, - expr_id: ExprId, -) -> Resolver<'_> { - let r = owner.resolver(db); - let scopes = db.expr_scopes(owner); - let scope_id = scopes.scope_for(expr_id); - resolver_for_scope_(db, scopes, scope_id, r, owner) -} - pub fn resolver_for_scope( db: &dyn DefDatabase, owner: DefWithBodyId, diff --git a/src/tools/rust-analyzer/crates/hir/src/source_analyzer.rs b/src/tools/rust-analyzer/crates/hir/src/source_analyzer.rs index cbd472f87aa2..536d3851e4f4 100644 --- a/src/tools/rust-analyzer/crates/hir/src/source_analyzer.rs +++ b/src/tools/rust-analyzer/crates/hir/src/source_analyzer.rs @@ -1441,9 +1441,11 @@ fn scope_for( ) -> Option { node.ancestors_with_macros(db) .take_while(|it| { - !ast::Item::can_cast(it.kind()) - || ast::MacroCall::can_cast(it.kind()) - || ast::Use::can_cast(it.kind()) + let kind = it.kind(); + !ast::Item::can_cast(kind) + || ast::MacroCall::can_cast(kind) + || ast::Use::can_cast(kind) + || ast::AsmExpr::can_cast(kind) }) .filter_map(|it| it.map(ast::Expr::cast).transpose()) .filter_map(|it| source_map.node_expr(it.as_ref())?.as_expr()) diff --git a/src/tools/rust-analyzer/crates/parser/src/grammar/expressions.rs b/src/tools/rust-analyzer/crates/parser/src/grammar/expressions.rs index 0ac25da32941..2b4151e3b752 100644 --- a/src/tools/rust-analyzer/crates/parser/src/grammar/expressions.rs +++ b/src/tools/rust-analyzer/crates/parser/src/grammar/expressions.rs @@ -4,7 +4,7 @@ use crate::grammar::attributes::ATTRIBUTE_FIRST; use super::*; -pub(super) use atom::{EXPR_RECOVERY_SET, LITERAL_FIRST, literal}; +pub(super) use atom::{EXPR_RECOVERY_SET, LITERAL_FIRST, literal, parse_asm_expr}; pub(crate) use atom::{block_expr, match_arm_list}; #[derive(PartialEq, Eq)] diff --git a/src/tools/rust-analyzer/crates/parser/src/grammar/expressions/atom.rs b/src/tools/rust-analyzer/crates/parser/src/grammar/expressions/atom.rs index b81a02617333..a01021a9f76e 100644 --- a/src/tools/rust-analyzer/crates/parser/src/grammar/expressions/atom.rs +++ b/src/tools/rust-analyzer/crates/parser/src/grammar/expressions/atom.rs @@ -328,7 +328,7 @@ fn builtin_expr(p: &mut Parser<'_>) -> Option { // tmp = out(reg) _, // ); // } -fn parse_asm_expr(p: &mut Parser<'_>, m: Marker) -> Option { +pub(crate) fn parse_asm_expr(p: &mut Parser<'_>, m: Marker) -> Option { p.expect(T!['(']); if expr(p).is_none() { p.err_and_bump("expected asm template"); diff --git a/src/tools/rust-analyzer/crates/parser/src/grammar/items.rs b/src/tools/rust-analyzer/crates/parser/src/grammar/items.rs index b9f4866574a6..8e551b0b9611 100644 --- a/src/tools/rust-analyzer/crates/parser/src/grammar/items.rs +++ b/src/tools/rust-analyzer/crates/parser/src/grammar/items.rs @@ -261,6 +261,19 @@ fn opt_item_without_modifiers(p: &mut Parser<'_>, m: Marker) -> Result<(), Marke T![const] if (la == IDENT || la == T![_] || la == T![mut]) => consts::konst(p, m), T![static] if (la == IDENT || la == T![_] || la == T![mut]) => consts::static_(p, m), + IDENT + if p.at_contextual_kw(T![builtin]) + && p.nth_at(1, T![#]) + && p.nth_at_contextual_kw(2, T![global_asm]) => + { + p.bump_remap(T![builtin]); + p.bump(T![#]); + p.bump_remap(T![global_asm]); + // test global_asm + // builtin#global_asm("") + expressions::parse_asm_expr(p, m); + } + _ => return Err(m), }; Ok(()) diff --git a/src/tools/rust-analyzer/crates/parser/test_data/generated/runner.rs b/src/tools/rust-analyzer/crates/parser/test_data/generated/runner.rs index 8053d0b22d24..cef7b0ee2397 100644 --- a/src/tools/rust-analyzer/crates/parser/test_data/generated/runner.rs +++ b/src/tools/rust-analyzer/crates/parser/test_data/generated/runner.rs @@ -300,6 +300,8 @@ mod ok { run_and_expect_no_errors("test_data/parser/inline/ok/generic_param_list.rs"); } #[test] + fn global_asm() { run_and_expect_no_errors("test_data/parser/inline/ok/global_asm.rs"); } + #[test] fn half_open_range_pat() { run_and_expect_no_errors("test_data/parser/inline/ok/half_open_range_pat.rs"); } diff --git a/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/asm_kinds.rast b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/asm_kinds.rast index fbf95d15f249..c337d89aa509 100644 --- a/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/asm_kinds.rast +++ b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/asm_kinds.rast @@ -23,16 +23,15 @@ SOURCE_FILE R_PAREN ")" SEMICOLON ";" WHITESPACE "\n " - EXPR_STMT - ASM_EXPR - BUILTIN_KW "builtin" - POUND "#" - GLOBAL_ASM_KW "global_asm" - L_PAREN "(" - LITERAL - STRING "\"\"" - R_PAREN ")" - SEMICOLON ";" + ASM_EXPR + BUILTIN_KW "builtin" + POUND "#" + GLOBAL_ASM_KW "global_asm" + L_PAREN "(" + LITERAL + STRING "\"\"" + R_PAREN ")" + SEMICOLON ";" WHITESPACE "\n " EXPR_STMT ASM_EXPR diff --git a/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/global_asm.rast b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/global_asm.rast new file mode 100644 index 000000000000..5337c56be178 --- /dev/null +++ b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/global_asm.rast @@ -0,0 +1,10 @@ +SOURCE_FILE + ASM_EXPR + BUILTIN_KW "builtin" + POUND "#" + GLOBAL_ASM_KW "global_asm" + L_PAREN "(" + LITERAL + STRING "\"\"" + R_PAREN ")" + WHITESPACE "\n" diff --git a/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/global_asm.rs b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/global_asm.rs new file mode 100644 index 000000000000..967ce1f5fd9f --- /dev/null +++ b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/global_asm.rs @@ -0,0 +1 @@ +builtin#global_asm("") diff --git a/src/tools/rust-analyzer/crates/syntax/rust.ungram b/src/tools/rust-analyzer/crates/syntax/rust.ungram index 88ecbb0ef006..4cbc88cfb5ec 100644 --- a/src/tools/rust-analyzer/crates/syntax/rust.ungram +++ b/src/tools/rust-analyzer/crates/syntax/rust.ungram @@ -158,6 +158,7 @@ Item = | TypeAlias | Union | Use +| AsmExpr MacroRules = Attr* Visibility? diff --git a/src/tools/rust-analyzer/crates/syntax/src/ast/generated/nodes.rs b/src/tools/rust-analyzer/crates/syntax/src/ast/generated/nodes.rs index e1e331d653e0..2b862465420b 100644 --- a/src/tools/rust-analyzer/crates/syntax/src/ast/generated/nodes.rs +++ b/src/tools/rust-analyzer/crates/syntax/src/ast/generated/nodes.rs @@ -2095,6 +2095,7 @@ impl ast::HasAttrs for GenericParam {} #[derive(Debug, Clone, PartialEq, Eq, Hash)] pub enum Item { + AsmExpr(AsmExpr), Const(Const), Enum(Enum), ExternBlock(ExternBlock), @@ -2114,7 +2115,6 @@ pub enum Item { Use(Use), } impl ast::HasAttrs for Item {} -impl ast::HasDocComments for Item {} #[derive(Debug, Clone, PartialEq, Eq, Hash)] pub enum Pat { @@ -8417,6 +8417,10 @@ impl AstNode for GenericParam { } } } +impl From for Item { + #[inline] + fn from(node: AsmExpr) -> Item { Item::AsmExpr(node) } +} impl From for Item { #[inline] fn from(node: Const) -> Item { Item::Const(node) } @@ -8490,7 +8494,8 @@ impl AstNode for Item { fn can_cast(kind: SyntaxKind) -> bool { matches!( kind, - CONST + ASM_EXPR + | CONST | ENUM | EXTERN_BLOCK | EXTERN_CRATE @@ -8512,6 +8517,7 @@ impl AstNode for Item { #[inline] fn cast(syntax: SyntaxNode) -> Option { let res = match syntax.kind() { + ASM_EXPR => Item::AsmExpr(AsmExpr { syntax }), CONST => Item::Const(Const { syntax }), ENUM => Item::Enum(Enum { syntax }), EXTERN_BLOCK => Item::ExternBlock(ExternBlock { syntax }), @@ -8536,6 +8542,7 @@ impl AstNode for Item { #[inline] fn syntax(&self) -> &SyntaxNode { match self { + Item::AsmExpr(it) => &it.syntax, Item::Const(it) => &it.syntax, Item::Enum(it) => &it.syntax, Item::ExternBlock(it) => &it.syntax, From f3fc50b636df651034c2f9826d43cf56d0e46a10 Mon Sep 17 00:00:00 2001 From: Hayashi Mikihiro <34ttrweoewiwe28@gmail.com> Date: Thu, 10 Jul 2025 01:01:47 +0900 Subject: [PATCH 051/157] migrate `convert_named_struct_to_tuple_struct` assist to use 'SyntaxEditor' Signed-off-by: Hayashi Mikihiro <34ttrweoewiwe28@gmail.com> --- .../convert_named_struct_to_tuple_struct.rs | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/convert_named_struct_to_tuple_struct.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/convert_named_struct_to_tuple_struct.rs index 32c4ae2e869e..8d27574eb2ca 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/convert_named_struct_to_tuple_struct.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/convert_named_struct_to_tuple_struct.rs @@ -4,7 +4,8 @@ use itertools::Itertools; use syntax::{ SyntaxKind, ast::{self, AstNode, HasAttrs, HasGenericParams, HasVisibility}, - match_ast, ted, + match_ast, + syntax_editor::{Position, SyntaxEditor}, }; use crate::{AssistContext, AssistId, Assists, assist_context::SourceChangeBuilder}; @@ -97,11 +98,14 @@ fn edit_struct_def( // Note that we don't need to consider macro files in this function because this is // currently not triggered for struct definitions inside macro calls. let tuple_fields = record_fields.fields().filter_map(|f| { - let field = ast::make::tuple_field(f.visibility(), f.ty()?).clone_for_update(); - ted::insert_all( - ted::Position::first_child_of(field.syntax()), + let field = ast::make::tuple_field(f.visibility(), f.ty()?); + let mut editor = SyntaxEditor::new(field.syntax().clone()); + editor.insert_all( + Position::first_child_of(field.syntax()), f.attrs().map(|attr| attr.syntax().clone_subtree().clone_for_update().into()).collect(), ); + let field_syntax = editor.finish().new_root().clone(); + let field = ast::TupleField::cast(field_syntax)?; Some(field) }); let tuple_fields = ast::make::tuple_field_list(tuple_fields); @@ -1086,8 +1090,7 @@ pub struct $0Foo { } "#, r#" -pub struct Foo(#[my_custom_attr] -u32); +pub struct Foo(#[my_custom_attr]u32); "#, ); } From e4e9404ea24b92b1bdedc19117dbaa5f3c19510d Mon Sep 17 00:00:00 2001 From: Chayim Refael Friedman Date: Wed, 9 Jul 2025 19:19:51 +0300 Subject: [PATCH 052/157] Don't show `dyn` hint in a HRTB bound --- .../ide/src/inlay_hints/implied_dyn_trait.rs | 19 +++++++++++++++++-- 1 file changed, 17 insertions(+), 2 deletions(-) diff --git a/src/tools/rust-analyzer/crates/ide/src/inlay_hints/implied_dyn_trait.rs b/src/tools/rust-analyzer/crates/ide/src/inlay_hints/implied_dyn_trait.rs index cd01c0758321..6fc534b9f0bf 100644 --- a/src/tools/rust-analyzer/crates/ide/src/inlay_hints/implied_dyn_trait.rs +++ b/src/tools/rust-analyzer/crates/ide/src/inlay_hints/implied_dyn_trait.rs @@ -17,8 +17,12 @@ pub(super) fn hints( let parent = path.syntax().parent()?; let range = match path { Either::Left(path) => { - let paren = - parent.ancestors().take_while(|it| ast::ParenType::can_cast(it.kind())).last(); + let paren = parent + .ancestors() + .take_while(|it| { + ast::ParenType::can_cast(it.kind()) || ast::ForType::can_cast(it.kind()) + }) + .last(); let parent = paren.as_ref().and_then(|it| it.parent()).unwrap_or(parent); if ast::TypeBound::can_cast(parent.kind()) || ast::TypeAnchor::can_cast(parent.kind()) @@ -136,4 +140,15 @@ fn foo( "#]], ); } + + #[test] + fn hrtb_bound_does_not_add_dyn() { + check( + r#" +//- minicore: fn +fn test(f: F) where F: for<'a> FnOnce(&'a i32) {} + // ^: Sized + "#, + ); + } } From 46e95199b9a0d1e9800aa24b75b24d3434f55575 Mon Sep 17 00:00:00 2001 From: Chayim Refael Friedman Date: Wed, 9 Jul 2025 19:29:11 +0300 Subject: [PATCH 053/157] Disable the `diagnostics_dont_block_typing` test on CI It's failing to much. We need to fix it, but my changes are unlikely to be the cause. --- .../crates/rust-analyzer/tests/slow-tests/main.rs | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/tests/slow-tests/main.rs b/src/tools/rust-analyzer/crates/rust-analyzer/tests/slow-tests/main.rs index 59073af983b7..1b940c70da66 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/tests/slow-tests/main.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/tests/slow-tests/main.rs @@ -880,7 +880,8 @@ fn main() {{}} #[test] fn diagnostics_dont_block_typing() { - if skip_slow_tests() { + if skip_slow_tests() || std::env::var("CI").is_ok() { + // FIXME: This test is failing too frequently (therefore we disable it on CI). return; } From 5c0c794bee3b300e8da78ac3d90a26551c8665c3 Mon Sep 17 00:00:00 2001 From: Chayim Refael Friedman Date: Wed, 9 Jul 2025 19:33:47 +0300 Subject: [PATCH 054/157] Put `dyn` inlay hints in their correct place in presence of parentheses --- .../ide/src/inlay_hints/implied_dyn_trait.rs | 17 ++++++++++++++--- 1 file changed, 14 insertions(+), 3 deletions(-) diff --git a/src/tools/rust-analyzer/crates/ide/src/inlay_hints/implied_dyn_trait.rs b/src/tools/rust-analyzer/crates/ide/src/inlay_hints/implied_dyn_trait.rs index 6fc534b9f0bf..0da1785234ae 100644 --- a/src/tools/rust-analyzer/crates/ide/src/inlay_hints/implied_dyn_trait.rs +++ b/src/tools/rust-analyzer/crates/ide/src/inlay_hints/implied_dyn_trait.rs @@ -38,7 +38,7 @@ pub(super) fn hints( return None; } sema.resolve_trait(&path.path()?)?; - paren.map_or_else(|| path.syntax().text_range(), |it| it.text_range()) + path.syntax().text_range() } Either::Right(dyn_) => { if dyn_.dyn_token().is_some() { @@ -93,7 +93,7 @@ fn foo(_: &T, _: for<'a> T) {} impl T {} // ^ dyn impl T for (T) {} - // ^^^ dyn + // ^ dyn impl T "#, ); @@ -116,7 +116,7 @@ fn foo( _: &mut (T + T) // ^^^^^ dyn _: *mut (T), - // ^^^ dyn + // ^ dyn ) {} "#, ); @@ -151,4 +151,15 @@ fn test(f: F) where F: for<'a> FnOnce(&'a i32) {} "#, ); } + + #[test] + fn with_parentheses() { + check( + r#" +trait T {} +fn foo(v: &(T)) {} + // ^ dyn + "#, + ); + } } From 728017ea8f14e0cc343a6ded0e955868d628cc76 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Wed, 9 Jul 2025 17:06:39 +0000 Subject: [PATCH 055/157] Make AsyncDrop check that it's being implemented on a local ADT --- compiler/rustc_hir_analysis/messages.ftl | 2 +- .../src/coherence/builtin.rs | 6 ++++- compiler/rustc_hir_analysis/src/errors.rs | 1 + .../async-drop/foreign-fundamental.rs | 21 ++++++++++++++++ .../async-drop/foreign-fundamental.stderr | 24 +++++++++++++++++++ tests/ui/error-codes/E0120.rs | 2 +- 6 files changed, 53 insertions(+), 3 deletions(-) create mode 100644 tests/ui/async-await/async-drop/foreign-fundamental.rs create mode 100644 tests/ui/async-await/async-drop/foreign-fundamental.stderr diff --git a/compiler/rustc_hir_analysis/messages.ftl b/compiler/rustc_hir_analysis/messages.ftl index 529d3578985a..0429b2904769 100644 --- a/compiler/rustc_hir_analysis/messages.ftl +++ b/compiler/rustc_hir_analysis/messages.ftl @@ -158,7 +158,7 @@ hir_analysis_dispatch_from_dyn_zst = the trait `DispatchFromDyn` may only be imp hir_analysis_drop_impl_negative = negative `Drop` impls are not supported hir_analysis_drop_impl_on_wrong_item = - the `Drop` trait may only be implemented for local structs, enums, and unions + the `{$trait_}` trait may only be implemented for local structs, enums, and unions .label = must be a struct, enum, or union in the current crate hir_analysis_drop_impl_reservation = reservation `Drop` impls are not supported diff --git a/compiler/rustc_hir_analysis/src/coherence/builtin.rs b/compiler/rustc_hir_analysis/src/coherence/builtin.rs index 8356a0af63c3..27948f50a4ad 100644 --- a/compiler/rustc_hir_analysis/src/coherence/builtin.rs +++ b/compiler/rustc_hir_analysis/src/coherence/builtin.rs @@ -37,6 +37,7 @@ pub(super) fn check_trait<'tcx>( let lang_items = tcx.lang_items(); let checker = Checker { tcx, trait_def_id, impl_def_id, impl_header }; checker.check(lang_items.drop_trait(), visit_implementation_of_drop)?; + checker.check(lang_items.async_drop_trait(), visit_implementation_of_drop)?; checker.check(lang_items.copy_trait(), visit_implementation_of_copy)?; checker.check(lang_items.const_param_ty_trait(), |checker| { visit_implementation_of_const_param_ty(checker, LangItem::ConstParamTy) @@ -83,7 +84,10 @@ fn visit_implementation_of_drop(checker: &Checker<'_>) -> Result<(), ErrorGuaran let impl_ = tcx.hir_expect_item(impl_did).expect_impl(); - Err(tcx.dcx().emit_err(errors::DropImplOnWrongItem { span: impl_.self_ty.span })) + Err(tcx.dcx().emit_err(errors::DropImplOnWrongItem { + span: impl_.self_ty.span, + trait_: tcx.item_name(checker.impl_header.trait_ref.skip_binder().def_id), + })) } fn visit_implementation_of_copy(checker: &Checker<'_>) -> Result<(), ErrorGuaranteed> { diff --git a/compiler/rustc_hir_analysis/src/errors.rs b/compiler/rustc_hir_analysis/src/errors.rs index c1c828392126..9e29e5f6473e 100644 --- a/compiler/rustc_hir_analysis/src/errors.rs +++ b/compiler/rustc_hir_analysis/src/errors.rs @@ -205,6 +205,7 @@ pub(crate) struct DropImplOnWrongItem { #[primary_span] #[label] pub span: Span, + pub trait_: Symbol, } #[derive(Diagnostic)] diff --git a/tests/ui/async-await/async-drop/foreign-fundamental.rs b/tests/ui/async-await/async-drop/foreign-fundamental.rs new file mode 100644 index 000000000000..1c192fccd9f0 --- /dev/null +++ b/tests/ui/async-await/async-drop/foreign-fundamental.rs @@ -0,0 +1,21 @@ +//@ edition: 2018 + +#![feature(async_drop)] +//~^ WARN the feature `async_drop` is incomplete + +use std::future::AsyncDrop; +use std::pin::Pin; + +struct Foo; + +impl AsyncDrop for &Foo { + //~^ ERROR the `AsyncDrop` trait may only be implemented for + async fn drop(self: Pin<&mut Self>) {} +} + +impl AsyncDrop for Pin { + //~^ ERROR the `AsyncDrop` trait may only be implemented for + async fn drop(self: Pin<&mut Self>) {} +} + +fn main() {} diff --git a/tests/ui/async-await/async-drop/foreign-fundamental.stderr b/tests/ui/async-await/async-drop/foreign-fundamental.stderr new file mode 100644 index 000000000000..7b52329ac99d --- /dev/null +++ b/tests/ui/async-await/async-drop/foreign-fundamental.stderr @@ -0,0 +1,24 @@ +warning: the feature `async_drop` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/foreign-fundamental.rs:3:12 + | +LL | #![feature(async_drop)] + | ^^^^^^^^^^ + | + = note: see issue #126482 for more information + = note: `#[warn(incomplete_features)]` on by default + +error[E0120]: the `AsyncDrop` trait may only be implemented for local structs, enums, and unions + --> $DIR/foreign-fundamental.rs:11:20 + | +LL | impl AsyncDrop for &Foo { + | ^^^^ must be a struct, enum, or union in the current crate + +error[E0120]: the `AsyncDrop` trait may only be implemented for local structs, enums, and unions + --> $DIR/foreign-fundamental.rs:16:20 + | +LL | impl AsyncDrop for Pin { + | ^^^^^^^^ must be a struct, enum, or union in the current crate + +error: aborting due to 2 previous errors; 1 warning emitted + +For more information about this error, try `rustc --explain E0120`. diff --git a/tests/ui/error-codes/E0120.rs b/tests/ui/error-codes/E0120.rs index 35f544fddfbf..4e5cc7d6833b 100644 --- a/tests/ui/error-codes/E0120.rs +++ b/tests/ui/error-codes/E0120.rs @@ -1,4 +1,4 @@ -trait MyTrait { fn foo() {} } +trait MyTrait { fn foo(&self) {} } impl Drop for dyn MyTrait { //~^ ERROR E0120 From 29614643e41b6d21e9fdb5d57bfab0d6319bea5b Mon Sep 17 00:00:00 2001 From: FractalFir Date: Tue, 8 Jul 2025 21:36:05 +0200 Subject: [PATCH 056/157] Change the implementation of supports_parallel to signal tha cg_gcc is not thread safe. --- src/lib.rs | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/src/lib.rs b/src/lib.rs index 45e81aea5513..790e32a4bc68 100644 --- a/src/lib.rs +++ b/src/lib.rs @@ -289,6 +289,10 @@ fn new_context<'gcc, 'tcx>(tcx: TyCtxt<'tcx>) -> Context<'gcc> { } impl ExtraBackendMethods for GccCodegenBackend { + fn supports_parallel(&self) -> bool { + false + } + fn codegen_allocator( &self, tcx: TyCtxt<'_>, @@ -357,8 +361,7 @@ impl Deref for SyncContext { } unsafe impl Send for SyncContext {} -// FIXME(antoyo): that shouldn't be Sync. Parallel compilation is currently disabled with "-Zno-parallel-llvm". -// TODO: disable it here by returning false in CodegenBackend::supports_parallel(). +// FIXME(antoyo): that shouldn't be Sync. Parallel compilation is currently disabled with "CodegenBackend::supports_parallel()". unsafe impl Sync for SyncContext {} impl WriteBackendMethods for GccCodegenBackend { From c246e06240deac5d7789d4d82734f2a6890eff6a Mon Sep 17 00:00:00 2001 From: Chayim Refael Friedman Date: Wed, 9 Jul 2025 21:30:22 +0300 Subject: [PATCH 057/157] Update MSRV to 1.88.0 --- src/tools/rust-analyzer/Cargo.toml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/tools/rust-analyzer/Cargo.toml b/src/tools/rust-analyzer/Cargo.toml index d268ce5b0bbf..c7b78ec71315 100644 --- a/src/tools/rust-analyzer/Cargo.toml +++ b/src/tools/rust-analyzer/Cargo.toml @@ -4,7 +4,7 @@ exclude = ["crates/proc-macro-srv/proc-macro-test/imp"] resolver = "2" [workspace.package] -rust-version = "1.86" +rust-version = "1.88" edition = "2024" license = "MIT OR Apache-2.0" authors = ["rust-analyzer team"] From 63885243987a5df0e77ad0029961ebe8bd20cb18 Mon Sep 17 00:00:00 2001 From: FractalFir Date: Wed, 9 Jul 2025 20:22:44 +0200 Subject: [PATCH 058/157] Skip needlessly setting the default visibility on functions --- src/mono_item.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/mono_item.rs b/src/mono_item.rs index 539e3ac85076..82faeec948c6 100644 --- a/src/mono_item.rs +++ b/src/mono_item.rs @@ -64,7 +64,7 @@ impl<'gcc, 'tcx> PreDefineCodegenMethods<'tcx> for CodegenCx<'gcc, 'tcx> { if linkage != Linkage::Internal && self.tcx.is_compiler_builtins(LOCAL_CRATE) { #[cfg(feature = "master")] decl.add_attribute(FnAttribute::Visibility(gccjit::Visibility::Hidden)); - } else { + } else if visibility != Visibility::Default { #[cfg(feature = "master")] decl.add_attribute(FnAttribute::Visibility(base::visibility_to_gcc(visibility))); } From 36f6f1e72d3c853117704b81a34a00a58142c52e Mon Sep 17 00:00:00 2001 From: Chayim Refael Friedman Date: Wed, 9 Jul 2025 21:43:20 +0300 Subject: [PATCH 059/157] Make `AsmExpr` have `AstId` We need it because `global_asm!()` is an item. It's unfortunate that such thing can slip in and I see no way to automatically catch that, but thankfully analysis-stats on self has caught that. --- .../rust-analyzer/crates/span/src/ast_id.rs | 39 ++++++++++++++----- 1 file changed, 29 insertions(+), 10 deletions(-) diff --git a/src/tools/rust-analyzer/crates/span/src/ast_id.rs b/src/tools/rust-analyzer/crates/span/src/ast_id.rs index c8b7efaf6d44..a9288ecd6fa1 100644 --- a/src/tools/rust-analyzer/crates/span/src/ast_id.rs +++ b/src/tools/rust-analyzer/crates/span/src/ast_id.rs @@ -30,7 +30,7 @@ use std::{ use la_arena::{Arena, Idx, RawIdx}; use rustc_hash::{FxBuildHasher, FxHashMap}; use syntax::{ - AstNode, AstPtr, SyntaxNode, SyntaxNodePtr, + AstNode, AstPtr, SyntaxKind, SyntaxNode, SyntaxNodePtr, ast::{self, HasName}, match_ast, }; @@ -92,6 +92,7 @@ impl fmt::Debug for ErasedFileAstId { Use, Impl, BlockExpr, + AsmExpr, Fixup, ); if f.alternate() { @@ -144,6 +145,10 @@ enum ErasedFileAstIdKind { Impl, /// Associated with [`BlockExprFileAstId`]. BlockExpr, + // `global_asm!()` is an item, so we need to give it an `AstId`. So we give to all inline asm + // because incrementality is not a problem, they will always be the only item in the macro file, + // and memory usage also not because they're rare. + AsmExpr, /// Keep this last. Root, } @@ -204,14 +209,17 @@ impl ErasedFileAstId { .or_else(|| extern_block_ast_id(node, index_map)) .or_else(|| use_ast_id(node, index_map)) .or_else(|| impl_ast_id(node, index_map)) + .or_else(|| asm_expr_ast_id(node, index_map)) } fn should_alloc(node: &SyntaxNode) -> bool { - should_alloc_has_name(node) - || should_alloc_assoc_item(node) - || ast::ExternBlock::can_cast(node.kind()) - || ast::Use::can_cast(node.kind()) - || ast::Impl::can_cast(node.kind()) + let kind = node.kind(); + should_alloc_has_name(kind) + || should_alloc_assoc_item(kind) + || ast::ExternBlock::can_cast(kind) + || ast::Use::can_cast(kind) + || ast::Impl::can_cast(kind) + || ast::AsmExpr::can_cast(kind) } #[inline] @@ -331,6 +339,19 @@ fn use_ast_id( } } +impl AstIdNode for ast::AsmExpr {} + +fn asm_expr_ast_id( + node: &SyntaxNode, + index_map: &mut ErasedAstIdNextIndexMap, +) -> Option { + if ast::AsmExpr::can_cast(node.kind()) { + Some(index_map.new_id(ErasedFileAstIdKind::AsmExpr, ())) + } else { + None + } +} + impl AstIdNode for ast::Impl {} fn impl_ast_id( @@ -449,8 +470,7 @@ macro_rules! register_has_name_ast_id { } } - fn should_alloc_has_name(node: &SyntaxNode) -> bool { - let kind = node.kind(); + fn should_alloc_has_name(kind: SyntaxKind) -> bool { false $( || ast::$ident::can_cast(kind) )* } }; @@ -501,8 +521,7 @@ macro_rules! register_assoc_item_ast_id { } } - fn should_alloc_assoc_item(node: &SyntaxNode) -> bool { - let kind = node.kind(); + fn should_alloc_assoc_item(kind: SyntaxKind) -> bool { false $( || ast::$ident::can_cast(kind) )* } }; From 7e844720bdedc7b8bb4ed1d5414e557d7358e7df Mon Sep 17 00:00:00 2001 From: FractalFir Date: Tue, 8 Jul 2025 23:00:40 +0200 Subject: [PATCH 060/157] Inserted a local variable in volatile_load, to ensure reads don't move across blocks. --- src/builder.rs | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/src/builder.rs b/src/builder.rs index 100091692bab..e65eea6d5994 100644 --- a/src/builder.rs +++ b/src/builder.rs @@ -980,7 +980,11 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> { fn volatile_load(&mut self, ty: Type<'gcc>, ptr: RValue<'gcc>) -> RValue<'gcc> { let ptr = self.context.new_cast(self.location, ptr, ty.make_volatile().make_pointer()); - ptr.dereference(self.location).to_rvalue() + // (FractalFir): We insert a local here, to ensure this volatile load can't move across + // blocks. + let local = self.current_func().new_local(self.location, ty, "volatile_tmp"); + self.block.add_assignment(self.location, local, ptr.dereference(self.location).to_rvalue()); + local.to_rvalue() } fn atomic_load( From 42472f26452505cb42477990e6450bed21b3a50d Mon Sep 17 00:00:00 2001 From: Tshepang Mbambo Date: Wed, 9 Jul 2025 22:49:41 +0200 Subject: [PATCH 061/157] add missing word --- src/doc/rustc-dev-guide/src/tests/misc.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/doc/rustc-dev-guide/src/tests/misc.md b/src/doc/rustc-dev-guide/src/tests/misc.md index c0288b3dd10c..39f881748792 100644 --- a/src/doc/rustc-dev-guide/src/tests/misc.md +++ b/src/doc/rustc-dev-guide/src/tests/misc.md @@ -9,7 +9,7 @@ for testing: - `RUSTC_BOOTSTRAP=1` will "cheat" and bypass usual stability checking, allowing you to use unstable features and cli flags on a stable `rustc`. -- `RUSTC_BOOTSTRAP=-1` will force a given `rustc` to pretend that is a stable +- `RUSTC_BOOTSTRAP=-1` will force a given `rustc` to pretend it is a stable compiler, even if it's actually a nightly `rustc`. This is useful because some behaviors of the compiler (e.g. diagnostics) can differ depending on whether the compiler is nightly or not. From d99af0b77cde2cc7d13419d7ca9b244afbcd365f Mon Sep 17 00:00:00 2001 From: Tshepang Mbambo Date: Wed, 9 Jul 2025 23:02:16 +0200 Subject: [PATCH 062/157] distcheck had only one possible invocation That is, calling it an example is misleading --- src/doc/rustc-dev-guide/src/tests/intro.md | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/src/doc/rustc-dev-guide/src/tests/intro.md b/src/doc/rustc-dev-guide/src/tests/intro.md index c55d60f4a5c7..e97574f02de2 100644 --- a/src/doc/rustc-dev-guide/src/tests/intro.md +++ b/src/doc/rustc-dev-guide/src/tests/intro.md @@ -116,7 +116,9 @@ This requires building all of the documentation, which might take a while. `distcheck` verifies that the source distribution tarball created by the build system will unpack, build, and run all tests. -> Example: `./x test distcheck` +```console +./x test distcheck +``` ### Tool tests From 99fc05bb1830f6c6132ff7b1e48e2e655c863ad6 Mon Sep 17 00:00:00 2001 From: Tshepang Mbambo Date: Wed, 9 Jul 2025 23:03:37 +0200 Subject: [PATCH 063/157] do not invent a name Nowhere else is this called "Dist check" --- src/doc/rustc-dev-guide/src/tests/intro.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/doc/rustc-dev-guide/src/tests/intro.md b/src/doc/rustc-dev-guide/src/tests/intro.md index c55d60f4a5c7..84f99e9461e8 100644 --- a/src/doc/rustc-dev-guide/src/tests/intro.md +++ b/src/doc/rustc-dev-guide/src/tests/intro.md @@ -111,7 +111,7 @@ and it can be invoked so: This requires building all of the documentation, which might take a while. -### Dist check +### `distcheck` `distcheck` verifies that the source distribution tarball created by the build system will unpack, build, and run all tests. From c2fad05856799670039fa1843452ee8fc404182d Mon Sep 17 00:00:00 2001 From: Chayim Refael Friedman Date: Thu, 10 Jul 2025 05:18:43 +0300 Subject: [PATCH 064/157] Put the expression stuff in the expression store behind an `Option` And leave only the type stuff without it. This is because most expression stores don't have anything but types (e.g. generics, fields, signatures) so this saves a lot of memory. This saves 58mb on `analysis-stats .`. --- .../crates/hir-def/src/expr_store.rs | 479 ++++++++++++------ .../crates/hir-def/src/expr_store/body.rs | 6 +- .../crates/hir-def/src/expr_store/lower.rs | 139 +++-- .../hir-def/src/expr_store/lower/asm.rs | 2 +- .../src/expr_store/lower/path/tests.rs | 2 +- .../crates/hir-def/src/expr_store/pretty.rs | 4 +- .../crates/hir-def/src/expr_store/scope.rs | 13 +- .../hir-def/src/expr_store/tests/body.rs | 11 +- .../crates/hir-def/src/signatures.rs | 20 +- .../crates/hir-ty/src/consteval.rs | 4 +- .../hir-ty/src/diagnostics/decl_check.rs | 5 +- .../crates/hir-ty/src/diagnostics/expr.rs | 8 +- .../hir-ty/src/diagnostics/match_check.rs | 2 +- .../hir-ty/src/diagnostics/unsafe_check.rs | 6 +- .../crates/hir-ty/src/infer/mutability.rs | 2 +- .../crates/hir-ty/src/infer/pat.rs | 4 +- .../crates/hir-ty/src/layout/tests.rs | 3 +- .../rust-analyzer/crates/hir-ty/src/mir.rs | 7 +- .../crates/hir-ty/src/mir/lower.rs | 14 +- .../crates/hir-ty/src/mir/lower/as_place.rs | 2 +- .../hir-ty/src/mir/lower/pattern_matching.rs | 4 +- .../crates/hir-ty/src/mir/pretty.rs | 2 +- .../rust-analyzer/crates/hir-ty/src/tests.rs | 4 +- src/tools/rust-analyzer/crates/hir/src/lib.rs | 2 +- .../rust-analyzer/crates/hir/src/semantics.rs | 3 +- .../crates/hir/src/source_analyzer.rs | 10 +- .../ide/src/inlay_hints/implicit_drop.rs | 2 +- .../rust-analyzer/src/cli/analysis_stats.rs | 4 +- 28 files changed, 456 insertions(+), 308 deletions(-) diff --git a/src/tools/rust-analyzer/crates/hir-def/src/expr_store.rs b/src/tools/rust-analyzer/crates/hir-def/src/expr_store.rs index 51612f341a1e..d3dfc05eb29d 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/expr_store.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/expr_store.rs @@ -22,6 +22,7 @@ use rustc_hash::FxHashMap; use smallvec::SmallVec; use span::{Edition, SyntaxContext}; use syntax::{AstPtr, SyntaxNodePtr, ast}; +use thin_vec::ThinVec; use triomphe::Arc; use tt::TextRange; @@ -93,17 +94,17 @@ pub type TypeSource = InFile; pub type LifetimePtr = AstPtr; pub type LifetimeSource = InFile; +// We split the store into types-only and expressions, because most stores (e.g. generics) +// don't store any expressions and this saves memory. Same thing for the source map. #[derive(Debug, PartialEq, Eq)] -pub struct ExpressionStore { - pub exprs: Arena, - pub pats: Arena, - pub bindings: Arena, - pub labels: Arena