Auto merge of #70211 - Centril:rollup-fusltgc, r=Centril

Rollup of 8 pull requests

Successful merges:

 - #67888 (Prefetch some queries used by the metadata encoder)
 - #69934 (Update the mir inline costs)
 - #69965 (Refactorings to get rid of rustc_codegen_utils)
 - #70054 (Build dist-android with --enable-profiler)
 - #70089 (rustc_infer: remove InferCtxt::closure_sig as the FnSig is always shallowly known.)
 - #70092 (hir: replace "items" terminology with "nodes" where appropriate.)
 - #70138 (do not 'return' in 'throw_' macros)
 - #70151 (Update stdarch submodule)

Failed merges:

 - #70074 (Expand: nix all fatal errors)

r? @ghost

Cargo.lock

@@ -3567,7 +3567,6 @@ dependencies = [
  "rustc_ast",
  "rustc_attr",
  "rustc_codegen_ssa",
- "rustc_codegen_utils",
  "rustc_data_structures",
  "rustc_errors",
  "rustc_feature",
@@ -3598,37 +3597,21 @@ dependencies = [
  "rustc_apfloat",
  "rustc_ast",
  "rustc_attr",
- "rustc_codegen_utils",
  "rustc_data_structures",
  "rustc_errors",
  "rustc_fs_util",
  "rustc_hir",
  "rustc_incremental",
  "rustc_index",
+ "rustc_metadata",
  "rustc_session",
  "rustc_span",
+ "rustc_symbol_mangling",
  "rustc_target",
  "serialize",
  "tempfile",
 ]
 
-[[package]]
-name = "rustc_codegen_utils"
-version = "0.0.0"
-dependencies = [
- "log",
- "punycode",
- "rustc",
- "rustc-demangle",
- "rustc_ast",
- "rustc_data_structures",
- "rustc_hir",
- "rustc_metadata",
- "rustc_session",
- "rustc_span",
- "rustc_target",
-]
-
 [[package]]
 name = "rustc_data_structures"
 version = "0.0.0"
@@ -3665,7 +3648,6 @@ dependencies = [
  "rustc_ast",
  "rustc_ast_pretty",
  "rustc_codegen_ssa",
- "rustc_codegen_utils",
  "rustc_data_structures",
  "rustc_error_codes",
  "rustc_errors",
@@ -3814,7 +3796,6 @@ dependencies = [
  "rustc_builtin_macros",
  "rustc_codegen_llvm",
  "rustc_codegen_ssa",
- "rustc_codegen_utils",
  "rustc_data_structures",
  "rustc_errors",
  "rustc_expand",
@@ -3832,6 +3813,7 @@ dependencies = [
  "rustc_resolve",
  "rustc_session",
  "rustc_span",
+ "rustc_symbol_mangling",
  "rustc_target",
  "rustc_trait_selection",
  "rustc_traits",
@@ -4071,7 +4053,6 @@ dependencies = [
  "rustc",
  "rustc_ast",
  "rustc_ast_pretty",
- "rustc_codegen_utils",
  "rustc_data_structures",
  "rustc_hir",
  "rustc_parse",
@@ -4112,6 +4093,23 @@ dependencies = [
  "unicode-width",
 ]
 
+[[package]]
+name = "rustc_symbol_mangling"
+version = "0.0.0"
+dependencies = [
+ "log",
+ "punycode",
+ "rustc",
+ "rustc-demangle",
+ "rustc_ast",
+ "rustc_data_structures",
+ "rustc_hir",
+ "rustc_metadata",
+ "rustc_session",
+ "rustc_span",
+ "rustc_target",
+]
+
 [[package]]
 name = "rustc_target"
 version = "0.0.0"

src/ci/docker/dist-android/Dockerfile

@@ -23,6 +23,7 @@ ENV TARGETS=$TARGETS,x86_64-linux-android
 
 ENV RUST_CONFIGURE_ARGS \
       --enable-extended \
+      --enable-profiler \
       --arm-linux-androideabi-ndk=/android/ndk/arm-14 \
       --armv7-linux-androideabi-ndk=/android/ndk/arm-14 \
       --thumbv7neon-linux-androideabi-ndk=/android/ndk/arm-14 \

src/libprofiler_builtins/build.rs

@@ -41,7 +41,6 @@ fn main() {
         cfg.flag("-fno-builtin");
         cfg.flag("-fvisibility=hidden");
         cfg.flag("-fomit-frame-pointer");
-        cfg.flag("-ffreestanding");
         cfg.define("VISIBILITY_HIDDEN", None);
         if !target.contains("windows") {
             cfg.define("COMPILER_RT_HAS_UNAME", Some("1"));

src/librustc/arena.rs

@@ -165,8 +165,8 @@ macro_rules! arena_types {
             // HIR query types
             [few] indexed_hir: rustc::hir::map::IndexedHir<$tcx>,
             [few] hir_definitions: rustc::hir::map::definitions::Definitions,
-            [] hir_owner: rustc::hir::HirOwner<$tcx>,
-            [] hir_owner_items: rustc::hir::HirOwnerItems<$tcx>,
+            [] hir_owner: rustc::hir::Owner<$tcx>,
+            [] hir_owner_nodes: rustc::hir::OwnerNodes<$tcx>,
         ], $tcx);
     )
 }

src/librustc/dep_graph/graph.rs

@@ -659,7 +659,7 @@ impl DepGraph {
                         // bug that must be fixed before removing this.
                         match dep_dep_node.kind {
                             DepKind::hir_owner
-                            | DepKind::hir_owner_items
+                            | DepKind::hir_owner_nodes
                             | DepKind::CrateMetadata => {
                                 if let Some(def_id) = dep_dep_node.extract_def_id(tcx) {
                                     if def_id_corresponds_to_hir_dep_node(tcx, def_id) {

src/librustc/hir/map/collector.rs

@@ -1,7 +1,7 @@
 use crate::arena::Arena;
 use crate::hir::map::definitions::{self, DefPathHash};
 use crate::hir::map::{Entry, HirOwnerData, Map};
-use crate::hir::{HirItem, HirOwner, HirOwnerItems};
+use crate::hir::{Owner, OwnerNodes, ParentedNode};
 use crate::ich::StableHashingContext;
 use crate::middle::cstore::CrateStore;
 use rustc_data_structures::fingerprint::Fingerprint;
@@ -203,30 +203,30 @@ impl<'a, 'hir> NodeCollector<'a, 'hir> {
         let data = &mut self.map[id.owner];
 
         if data.with_bodies.is_none() {
-            data.with_bodies = Some(arena.alloc(HirOwnerItems {
+            data.with_bodies = Some(arena.alloc(OwnerNodes {
                 hash,
-                items: IndexVec::new(),
+                nodes: IndexVec::new(),
                 bodies: FxHashMap::default(),
             }));
         }
 
-        let items = data.with_bodies.as_mut().unwrap();
+        let nodes = data.with_bodies.as_mut().unwrap();
 
         if i == 0 {
             // Overwrite the dummy hash with the real HIR owner hash.
-            items.hash = hash;
+            nodes.hash = hash;
 
             // FIXME: feature(impl_trait_in_bindings) broken and trigger this assert
             //assert!(data.signature.is_none());
 
             data.signature =
-                Some(self.arena.alloc(HirOwner { parent: entry.parent, node: entry.node }));
+                Some(self.arena.alloc(Owner { parent: entry.parent, node: entry.node }));
         } else {
             assert_eq!(entry.parent.owner, id.owner);
             insert_vec_map(
-                &mut items.items,
+                &mut nodes.nodes,
                 id.local_id,
-                HirItem { parent: entry.parent.local_id, node: entry.node },
+                ParentedNode { parent: entry.parent.local_id, node: entry.node },
             );
         }
     }

src/librustc/hir/map/mod.rs

@@ -3,7 +3,7 @@ pub use self::definitions::{
     DefKey, DefPath, DefPathData, DefPathHash, Definitions, DisambiguatedDefPathData,
 };
 
-use crate::hir::{HirOwner, HirOwnerItems};
+use crate::hir::{Owner, OwnerNodes};
 use crate::ty::query::Providers;
 use crate::ty::TyCtxt;
 use rustc_ast::ast::{self, Name, NodeId};
@@ -130,8 +130,8 @@ fn is_body_owner<'hir>(node: Node<'hir>, hir_id: HirId) -> bool {
 }
 
 pub(super) struct HirOwnerData<'hir> {
-    pub(super) signature: Option<&'hir HirOwner<'hir>>,
-    pub(super) with_bodies: Option<&'hir mut HirOwnerItems<'hir>>,
+    pub(super) signature: Option<&'hir Owner<'hir>>,
+    pub(super) with_bodies: Option<&'hir mut OwnerNodes<'hir>>,
 }
 
 pub struct IndexedHir<'hir> {
@@ -345,9 +345,12 @@ impl<'hir> Map<'hir> {
             let owner = self.tcx.hir_owner(id.owner);
             Entry { parent: owner.parent, node: owner.node }
         } else {
-            let owner = self.tcx.hir_owner_items(id.owner);
-            let item = owner.items[id.local_id].as_ref().unwrap();
-            Entry { parent: HirId { owner: id.owner, local_id: item.parent }, node: item.node }
+            let owner = self.tcx.hir_owner_nodes(id.owner);
+            let node = owner.nodes[id.local_id].as_ref().unwrap();
+            // FIXME(eddyb) use a single generic type insted of having both
+            // `Entry` and `ParentedNode`, which are effectively the same.
+            // Alternatively, rewrite code using `Entry` to use `ParentedNode`.
+            Entry { parent: HirId { owner: id.owner, local_id: node.parent }, node: node.node }
         }
     }
 
@@ -373,7 +376,7 @@ impl<'hir> Map<'hir> {
     }
 
     pub fn body(&self, id: BodyId) -> &'hir Body<'hir> {
-        self.tcx.hir_owner_items(id.hir_id.owner).bodies.get(&id.hir_id.local_id).unwrap()
+        self.tcx.hir_owner_nodes(id.hir_id.owner).bodies.get(&id.hir_id.local_id).unwrap()
     }
 
     pub fn fn_decl_by_hir_id(&self, hir_id: HirId) -> Option<&'hir FnDecl<'hir>> {

src/librustc/hir/mod.rs

@@ -18,14 +18,14 @@ use rustc_hir::ItemLocalId;
 use rustc_hir::Node;
 use rustc_index::vec::IndexVec;
 
-pub struct HirOwner<'tcx> {
+pub struct Owner<'tcx> {
     parent: HirId,
     node: Node<'tcx>,
 }
 
-impl<'a, 'tcx> HashStable<StableHashingContext<'a>> for HirOwner<'tcx> {
+impl<'a, 'tcx> HashStable<StableHashingContext<'a>> for Owner<'tcx> {
     fn hash_stable(&self, hcx: &mut StableHashingContext<'a>, hasher: &mut StableHasher) {
-        let HirOwner { parent, node } = self;
+        let Owner { parent, node } = self;
         hcx.while_hashing_hir_bodies(false, |hcx| {
             parent.hash_stable(hcx, hasher);
             node.hash_stable(hcx, hasher);
@@ -34,22 +34,22 @@ impl<'a, 'tcx> HashStable<StableHashingContext<'a>> for HirOwner<'tcx> {
 }
 
 #[derive(Clone)]
-pub struct HirItem<'tcx> {
+pub struct ParentedNode<'tcx> {
     parent: ItemLocalId,
     node: Node<'tcx>,
 }
 
-pub struct HirOwnerItems<'tcx> {
+pub struct OwnerNodes<'tcx> {
     hash: Fingerprint,
-    items: IndexVec<ItemLocalId, Option<HirItem<'tcx>>>,
+    nodes: IndexVec<ItemLocalId, Option<ParentedNode<'tcx>>>,
     bodies: FxHashMap<ItemLocalId, &'tcx Body<'tcx>>,
 }
 
-impl<'a, 'tcx> HashStable<StableHashingContext<'a>> for HirOwnerItems<'tcx> {
+impl<'a, 'tcx> HashStable<StableHashingContext<'a>> for OwnerNodes<'tcx> {
     fn hash_stable(&self, hcx: &mut StableHashingContext<'a>, hasher: &mut StableHasher) {
-        // We ignore the `items` and `bodies` fields since these refer to information included in
+        // We ignore the `nodes` and `bodies` fields since these refer to information included in
         // `hash` which is hashed in the collector and used for the crate hash.
-        let HirOwnerItems { hash, items: _, bodies: _ } = *self;
+        let OwnerNodes { hash, nodes: _, bodies: _ } = *self;
         hash.hash_stable(hcx, hasher);
     }
 }
@@ -79,8 +79,8 @@ pub fn provide(providers: &mut Providers<'_>) {
         &tcx.untracked_crate.modules[&module]
     };
     providers.hir_owner = |tcx, id| tcx.index_hir(LOCAL_CRATE).map[id].signature.unwrap();
-    providers.hir_owner_items = |tcx, id| {
-        tcx.index_hir(LOCAL_CRATE).map[id].with_bodies.as_ref().map(|items| &**items).unwrap()
+    providers.hir_owner_nodes = |tcx, id| {
+        tcx.index_hir(LOCAL_CRATE).map[id].with_bodies.as_ref().map(|nodes| &**nodes).unwrap()
     };
     map::provide(providers);
 }

src/librustc/mir/interpret/mod.rs

@@ -46,9 +46,10 @@ macro_rules! err_exhaust {
     };
 }
 
+// In the `throw_*` macros, avoid `return` to make them work with `try {}`.
 #[macro_export]
 macro_rules! throw_unsup {
-    ($($tt:tt)*) => { return Err(err_unsup!($($tt)*).into()) };
+    ($($tt:tt)*) => { Err::<!, _>(err_unsup!($($tt)*))? };
 }
 
 #[macro_export]
@@ -58,12 +59,12 @@ macro_rules! throw_unsup_format {
 
 #[macro_export]
 macro_rules! throw_inval {
-    ($($tt:tt)*) => { return Err(err_inval!($($tt)*).into()) };
+    ($($tt:tt)*) => { Err::<!, _>(err_inval!($($tt)*))? };
 }
 
 #[macro_export]
 macro_rules! throw_ub {
-    ($($tt:tt)*) => { return Err(err_ub!($($tt)*).into()) };
+    ($($tt:tt)*) => { Err::<!, _>(err_ub!($($tt)*))? };
 }
 
 #[macro_export]
@@ -73,13 +74,13 @@ macro_rules! throw_ub_format {
 
 #[macro_export]
 macro_rules! throw_exhaust {
-    ($($tt:tt)*) => { return Err(err_exhaust!($($tt)*).into()) };
+    ($($tt:tt)*) => { Err::<!, _>(err_exhaust!($($tt)*))? };
 }
 
 #[macro_export]
 macro_rules! throw_machine_stop {
     ($($tt:tt)*) => {
-        return Err($crate::mir::interpret::InterpError::MachineStop(Box::new($($tt)*)).into())
+        Err::<!, _>($crate::mir::interpret::InterpError::MachineStop(Box::new($($tt)*)))?
     };
 }
 

src/librustc/query/mod.rs

@@ -64,27 +64,28 @@ rustc_queries! {
         }
 
         // The items in a module.
+        //
         // This can be conveniently accessed by `tcx.hir().visit_item_likes_in_module`.
         // Avoid calling this query directly.
         query hir_module_items(key: LocalDefId) -> &'tcx hir::ModuleItems {
             eval_always
             desc { |tcx| "HIR module items in `{}`", tcx.def_path_str(key.to_def_id()) }
         }
 
-        // An HIR item with a `LocalDefId` that can own other HIR items which do
-        // not themselves have a `LocalDefId`.
+        // Gives access to the HIR node for the HIR owner `key`.
+        //
         // This can be conveniently accessed by methods on `tcx.hir()`.
         // Avoid calling this query directly.
-        query hir_owner(key: LocalDefId) -> &'tcx HirOwner<'tcx> {
+        query hir_owner(key: LocalDefId) -> &'tcx crate::hir::Owner<'tcx> {
             eval_always
             desc { |tcx| "HIR owner of `{}`", tcx.def_path_str(key.to_def_id()) }
         }
 
-        // The HIR items which do not themselves have a `LocalDefId` and are
-        // owned by another HIR item with a `LocalDefId`.
+        // Gives access to the HIR nodes and bodies inside the HIR owner `key`.
+        //
         // This can be conveniently accessed by methods on `tcx.hir()`.
         // Avoid calling this query directly.
-        query hir_owner_items(key: LocalDefId) -> &'tcx HirOwnerItems<'tcx> {
+        query hir_owner_nodes(key: LocalDefId) -> &'tcx crate::hir::OwnerNodes<'tcx> {
             eval_always
             desc { |tcx| "HIR owner items in `{}`", tcx.def_path_str(key.to_def_id()) }
         }

src/librustc/ty/context.rs

@@ -1323,7 +1323,7 @@ impl<'tcx> TyCtxt<'tcx> {
     }
 
     pub fn encode_metadata(self) -> EncodedMetadata {
-        let _prof_timer = self.prof.generic_activity("generate_crate_metadata");
+        let _prof_timer = self.prof.verbose_generic_activity("generate_crate_metadata");
         self.cstore.encode_metadata(self)
     }
 

src/librustc/ty/mod.rs

@@ -3148,6 +3148,7 @@ pub fn provide(providers: &mut ty::query::Providers<'_>) {
     context::provide(providers);
     erase_regions::provide(providers);
     layout::provide(providers);
+    super::util::bug::provide(providers);
     *providers = ty::query::Providers {
         trait_impls_of: trait_def::trait_impls_of_provider,
         all_local_trait_impls: trait_def::all_local_trait_impls,

src/librustc/ty/print/pretty.rs

@@ -681,9 +681,9 @@ pub trait PrettyPrinter<'tcx>:
 
                 if self.tcx().sess.verbose() {
                     p!(write(
-                        " closure_kind_ty={:?} closure_sig_ty={:?}",
+                        " closure_kind_ty={:?} closure_sig_as_fn_ptr_ty={:?}",
                         substs.as_closure().kind_ty(did, self.tcx()),
-                        substs.as_closure().sig_ty(did, self.tcx())
+                        substs.as_closure().sig_as_fn_ptr_ty(did, self.tcx())
                     ));
                 }