rustup to nightly-2025-04-28

Cargo.toml

@@ -31,7 +31,7 @@ members = [
 [workspace.package]
 version = "0.9.0"
 authors = ["rust-gpu developers", "Embark <[email protected]>"]
-edition = "2021"
+edition = "2024"
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/rust-gpu/rust-gpu"
 

crates/rustc_codegen_spirv/Cargo.toml

@@ -41,8 +41,8 @@ rustix = { version = "0.38.42", features = ["all-apis"] }
 
 # HACK(eddyb) deps of `rustc_codegen_ssa`, for `pqp_cg_ssa` (see `build.rs`),
 # that cannot be handled with just `extern crate` pulling out of the sysroot.
-object = { version = "0.36.2",  default-features = false, features = ["read_core", "elf", "macho", "pe", "xcoff", "unaligned", "archive", "write", "wasm"] }
-thorin-dwp = "0.8"
+object = { version = "0.36.2", default-features = false, features = ["read_core", "elf", "macho", "pe", "xcoff", "unaligned", "archive", "write", "wasm"] }
+thorin-dwp = "0.9"
 
 # Normal dependencies.
 ar = "0.9.0"
@@ -64,6 +64,9 @@ tracing-tree = "0.3.0"
 [dev-dependencies]
 pretty_assertions = "1.0"
 
+[lints.rust]
+unexpected_cfgs = { level = "warn", check-cfg = ['cfg(bootstrap)', 'cfg(llvm_enzyme)'] }
+
 # HACK(eddyb) can't re-introduce deps of `rustc_codegen_ssa`, for `pqp_cg_ssa`
 # (see `build.rs`).
 # tempfile = "3.4"

crates/rustc_codegen_spirv/build.rs

@@ -15,9 +15,9 @@ use std::{env, fs, mem};
 /// `cargo publish`. We need to figure out a way to do this properly, but let's hardcode it for now :/
 //const REQUIRED_RUST_TOOLCHAIN: &str = include_str!("../../rust-toolchain.toml");
 const REQUIRED_RUST_TOOLCHAIN: &str = r#"[toolchain]
-channel = "nightly-2024-11-22"
+channel = "nightly-2025-04-28"
 components = ["rust-src", "rustc-dev", "llvm-tools"]
-# commit_hash = b19329a37cedf2027517ae22c87cf201f93d776e"#;
+# commit_hash = cb31a009e3e735ab08613cec2d8a5a754e65596f"#;
 
 fn rustc_output(arg: &str) -> Result<String, Box<dyn Error>> {
     let rustc = env::var("RUSTC").unwrap_or_else(|_| "rustc".into());
@@ -206,24 +206,70 @@ mod win {",
     // HACK(eddyb) very basic extraction of deps from original `Cargo.toml`.
     let mut all_extern_crates = cg_ssa_lib_rs_extern_crates;
     let cg_ssa_cargo_toml = fs::read_to_string(out_pqp_cg_ssa_dir.join("Cargo.toml"))?;
-    let mut toml_directive = None;
+
+    let mut current_section: Option<&str> = None;
+
     for line in cg_ssa_cargo_toml.lines() {
         let line = line.trim();
         if line.starts_with('#') || line.is_empty() {
             continue;
         }
-        if line.starts_with('[') {
-            toml_directive = Some(line);
-        } else if toml_directive == Some("[dependencies]") {
-            if let Some((name, _)) = line.split_once(" = ") {
+
+        if line.starts_with('[') && line.ends_with(']') {
+            if line == "[dependencies]" {
+                current_section = Some("[dependencies]");
+            } else if line.starts_with("[dependencies.") {
+                // This is a [dependencies.foo] section header.
+                // Extract 'foo' from '[dependencies.foo]'
+                if let Some(name_in_header) = line
+                    .strip_prefix("[dependencies.")
+                    .and_then(|s| s.strip_suffix(']'))
+                {
+                    let name = name_in_header.trim().trim_matches('"');
+
+                    // HACK(eddyb) ignore a weird edge case.
+                    if name == "thorin-dwp" {
+                        continue;
+                    }
+                    if !name.is_empty() {
+                        let crate_identifier = name.replace('-', "_");
+                        let extern_crate = format!("extern crate {};", crate_identifier);
+
+                        if !all_extern_crates.contains(&extern_crate) {
+                            writeln(&mut all_extern_crates, "#[allow(unused_extern_crates)]");
+                            writeln(&mut all_extern_crates, &extern_crate);
+                        }
+                    }
+
+                    // Set section to None so we don't process lines *within* this table
+                    // (like version="...") as dependency names.
+                    current_section = None;
+                } else {
+                    // Malformed line like "[dependencies.foo", treat as unknown section
+                    current_section = Some(line);
+                }
+            } else {
+                // It's some other section ([build-dependencies], [workspace], etc.)
+                current_section = Some(line);
+            }
+        } else if current_section == Some("[dependencies]") {
+            // Look for lines like `name = ...`
+            if let Some((name_in_line, _)) = line.split_once('=') {
+                let name = name_in_line.trim().trim_matches('"');
+
                 // HACK(eddyb) ignore a weird edge case.
                 if name == "thorin-dwp" {
                     continue;
                 }
-                let extern_crate = format!("extern crate {};", name.replace('-', "_"));
-                if !all_extern_crates.contains(&extern_crate) {
-                    writeln(&mut all_extern_crates, "#[allow(unused_extern_crates)]");
-                    writeln(&mut all_extern_crates, &extern_crate);
+
+                if !name.is_empty() {
+                    let crate_identifier = name.replace('-', "_");
+                    let extern_crate = format!("extern crate {};", crate_identifier);
+
+                    if !all_extern_crates.contains(&extern_crate) {
+                        writeln(&mut all_extern_crates, "#[allow(unused_extern_crates)]");
+                        writeln(&mut all_extern_crates, &extern_crate);
+                    }
                 }
             }
         }

crates/rustc_codegen_spirv/src/abi.rs

@@ -6,6 +6,11 @@ use crate::codegen_cx::CodegenCx;
 use crate::spirv_type::SpirvType;
 use itertools::Itertools;
 use rspirv::spirv::{Dim, ImageFormat, StorageClass, Word};
+use rustc_abi::ExternAbi;
+use rustc_abi::{
+    Align, BackendRepr, FieldsShape, LayoutData, Primitive, ReprFlags, ReprOptions, Scalar, Size,
+    TagEncoding, VariantIdx, Variants,
+};
 use rustc_data_structures::fx::FxHashMap;
 use rustc_errors::ErrorGuaranteed;
 use rustc_index::Idx;
@@ -20,12 +25,7 @@ use rustc_middle::{bug, span_bug};
 use rustc_span::DUMMY_SP;
 use rustc_span::def_id::DefId;
 use rustc_span::{Span, Symbol};
-use rustc_target::abi::call::{ArgAbi, ArgAttributes, FnAbi, PassMode};
-use rustc_target::abi::{
-    Align, BackendRepr, FieldsShape, LayoutData, Primitive, ReprFlags, ReprOptions, Scalar, Size,
-    TagEncoding, VariantIdx, Variants,
-};
-use rustc_target::spec::abi::Abi;
+use rustc_target::callconv::{ArgAbi, ArgAttributes, FnAbi, PassMode};
 use std::cell::RefCell;
 use std::collections::hash_map::Entry;
 use std::fmt;
@@ -46,8 +46,8 @@ pub(crate) fn provide(providers: &mut Providers) {
         let result = (rustc_interface::DEFAULT_QUERY_PROVIDERS.fn_sig)(tcx, def_id);
         result.map_bound(|outer| {
             outer.map_bound(|mut inner| {
-                if let Abi::C { .. } = inner.abi {
-                    inner.abi = Abi::Unadjusted;
+                if let ExternAbi::C { .. } = inner.abi {
+                    inner.abi = ExternAbi::Unadjusted;
                 }
                 inner
             })
@@ -110,6 +110,8 @@ pub(crate) fn provide(providers: &mut Providers) {
             size,
             max_repr_align,
             unadjusted_abi_align,
+            uninhabited,
+            randomization_seed,
         } = *layout;
         LayoutData {
             fields: match *fields {
@@ -125,6 +127,7 @@ pub(crate) fn provide(providers: &mut Providers) {
                 },
             },
             variants: match *variants {
+                Variants::Empty => Variants::Empty,
                 Variants::Single { index } => Variants::Single { index },
                 Variants::Multiple {
                     tag,
@@ -155,6 +158,8 @@ pub(crate) fn provide(providers: &mut Providers) {
             size,
             max_repr_align,
             unadjusted_abi_align,
+            uninhabited,
+            randomization_seed,
         }
     }
 
@@ -198,6 +203,7 @@ pub(crate) fn provide(providers: &mut Providers) {
         let trivial_struct = match tcx.hir_node_by_def_id(def_id) {
             rustc_hir::Node::Item(item) => match item.kind {
                 rustc_hir::ItemKind::Struct(
+                    _,
                     _,
                     &rustc_hir::Generics {
                         params:
@@ -462,7 +468,7 @@ impl<'tcx> ConvSpirvType<'tcx> for TyAndLayout<'tcx> {
         // `ScalarPair`.
         // There's a few layers that we go through here. First we inspect layout.backend_repr, then if relevant, layout.fields, etc.
         match self.backend_repr {
-            BackendRepr::Uninhabited => SpirvType::Adt {
+            x @ _ if x.is_unsized() => SpirvType::Adt {
                 def_id: def_id_for_spirv_type_adt(*self),
                 size: Some(Size::ZERO),
                 align: Align::from_bytes(0).unwrap(),
@@ -523,7 +529,9 @@ impl<'tcx> ConvSpirvType<'tcx> for TyAndLayout<'tcx> {
                 if let TyKind::Adt(adt, _) = self.ty.kind() {
                     if let Variants::Single { index } = self.variants {
                         for i in self.fields.index_by_increasing_offset() {
-                            let field = &adt.variants()[index].fields[i.into()];
+                            let field_index = rustc_abi::FieldIdx::from_usize(i);
+                            let field: &rustc_middle::ty::FieldDef =
+                                &adt.variants()[index].fields[field_index];
                             field_names.push(field.name);
                         }
                     }
@@ -542,7 +550,7 @@ impl<'tcx> ConvSpirvType<'tcx> for TyAndLayout<'tcx> {
                 }
                 .def_with_name(cx, span, TyLayoutNameKey::from(*self))
             }
-            BackendRepr::Vector { element, count } => {
+            BackendRepr::SimdVector { element, count } => {
                 let elem_spirv = trans_scalar(cx, span, *self, element, Size::ZERO);
                 SpirvType::Vector {
                     element: elem_spirv,
@@ -653,6 +661,7 @@ fn dig_scalar_pointee<'tcx>(
 
     let all_fields = (match &layout.variants {
         Variants::Multiple { variants, .. } => 0..variants.len(),
+        Variants::Empty => 0..0,
         Variants::Single { index } => {
             let i = index.as_usize();
             i..i + 1
@@ -811,7 +820,8 @@ fn trans_struct<'tcx>(cx: &CodegenCx<'tcx>, span: Span, ty: TyAndLayout<'tcx>) -
         field_offsets.push(offset);
         if let Variants::Single { index } = ty.variants {
             if let TyKind::Adt(adt, _) = ty.ty.kind() {
-                let field = &adt.variants()[index].fields[i.into()];
+                let field_index = rustc_abi::FieldIdx::from_usize(i);
+                let field: &rustc_middle::ty::FieldDef = &adt.variants()[index].fields[field_index];
                 field_names.push(field.name);
             } else {
                 // FIXME(eddyb) this looks like something that should exist in rustc.
@@ -868,6 +878,7 @@ impl<'tcx> From<TyAndLayout<'tcx>> for TyLayoutNameKey<'tcx> {
             variant: match layout.variants {
                 Variants::Single { index } => Some(index),
                 Variants::Multiple { .. } => None,
+                Variants::Empty => None,
             },
         }
     }
@@ -984,11 +995,11 @@ fn trans_intrinsic_type<'tcx>(
                 cx: &CodegenCx<'tcx>,
                 const_: Const<'tcx>,
             ) -> Result<P, ErrorGuaranteed> {
-                let (const_val, const_ty) = const_
-                    .try_to_valtree()
-                    .expect("expected monomorphic const in codegen");
+                let const_val = const_.to_value();
+                let const_ty = const_val.ty;
                 assert!(const_ty.is_integral());
                 const_val
+                    .valtree
                     .try_to_scalar_int()
                     .and_then(P::from_scalar_int)
                     .ok_or_else(|| {

crates/rustc_codegen_spirv/src/attr.rs

@@ -5,7 +5,7 @@
 use crate::codegen_cx::CodegenCx;
 use crate::symbols::Symbols;
 use rspirv::spirv::{BuiltIn, ExecutionMode, ExecutionModel, StorageClass};
-use rustc_ast::Attribute;
+
 use rustc_hir as hir;
 use rustc_hir::def_id::LocalModDefId;
 use rustc_hir::intravisit::{self, Visitor};
@@ -148,7 +148,7 @@ impl AggregatedSpirvAttributes {
     ///
     /// Any errors for malformed/duplicate attributes will have been reported
     /// prior to codegen, by the `attr` check pass.
-    pub fn parse<'tcx>(cx: &CodegenCx<'tcx>, attrs: &'tcx [Attribute]) -> Self {
+    pub fn parse<'tcx>(cx: &CodegenCx<'tcx>, attrs: &'tcx [rustc_hir::Attribute]) -> Self {
         let mut aggregated_attrs = Self::default();
 
         // NOTE(eddyb) `span_delayed_bug` ensures that if attribute checking fails
@@ -254,8 +254,8 @@ fn target_from_impl_item(tcx: TyCtxt<'_>, impl_item: &hir::ImplItem<'_>) -> Targ
     match impl_item.kind {
         hir::ImplItemKind::Const(..) => Target::AssocConst,
         hir::ImplItemKind::Fn(..) => {
-            let parent_owner_id = tcx.hir().get_parent_item(impl_item.hir_id());
-            let containing_item = tcx.hir().expect_item(parent_owner_id.def_id);
+            let parent_owner_id = tcx.hir_get_parent_item(impl_item.hir_id());
+            let containing_item = tcx.hir_expect_item(parent_owner_id.def_id);
             let containing_impl_is_for_trait = match &containing_item.kind {
                 hir::ItemKind::Impl(hir::Impl { of_trait, .. }) => of_trait.is_some(),
                 _ => unreachable!("parent of an ImplItem must be an Impl"),
@@ -281,7 +281,7 @@ impl CheckSpirvAttrVisitor<'_> {
 
         let parse_attrs = |attrs| crate::symbols::parse_attrs_for_checking(&self.sym, attrs);
 
-        let attrs = self.tcx.hir().attrs(hir_id);
+        let attrs = self.tcx.hir_attrs(hir_id);
         for parse_attr_result in parse_attrs(attrs) {
             let (span, parsed_attr) = match parse_attr_result {
                 Ok(span_and_parsed_attr) => span_and_parsed_attr,
@@ -327,10 +327,9 @@ impl CheckSpirvAttrVisitor<'_> {
                 | SpirvAttribute::SpecConstant(_) => match target {
                     Target::Param => {
                         let parent_hir_id = self.tcx.parent_hir_id(hir_id);
-                        let parent_is_entry_point =
-                            parse_attrs(self.tcx.hir().attrs(parent_hir_id))
-                                .filter_map(|r| r.ok())
-                                .any(|(_, attr)| matches!(attr, SpirvAttribute::Entry(_)));
+                        let parent_is_entry_point = parse_attrs(self.tcx.hir_attrs(parent_hir_id))
+                            .filter_map(|r| r.ok())
+                            .any(|(_, attr)| matches!(attr, SpirvAttribute::Entry(_)));
                         if !parent_is_entry_point {
                             self.tcx.dcx().span_err(
                                 span,
@@ -418,8 +417,8 @@ impl CheckSpirvAttrVisitor<'_> {
 impl<'tcx> Visitor<'tcx> for CheckSpirvAttrVisitor<'tcx> {
     type NestedFilter = nested_filter::OnlyBodies;
 
-    fn nested_visit_map(&mut self) -> Self::Map {
-        self.tcx.hir()
+    fn maybe_tcx(&mut self) -> Self::MaybeTyCtxt {
+        self.tcx
     }
 
     fn visit_item(&mut self, item: &'tcx hir::Item<'tcx>) {
@@ -498,8 +497,8 @@ fn check_mod_attrs(tcx: TyCtxt<'_>, module_def_id: LocalModDefId) {
         tcx,
         sym: Symbols::get(),
     };
-    tcx.hir()
-        .visit_item_likes_in_module(module_def_id, check_spirv_attr_visitor);
+    tcx.hir_visit_item_likes_in_module(module_def_id, check_spirv_attr_visitor);
+
     if module_def_id.is_top_level_module() {
         check_spirv_attr_visitor.check_spirv_attributes(CRATE_HIR_ID, Target::Mod);
     }