compiler: Rename LayoutS to LayoutData

The last {UninternedType}S is in captivity. The galaxy is at peace.

compiler/rustc_abi/src/layout.rs

@@ -7,7 +7,7 @@ use tracing::debug;
 
 use crate::{
     Abi, AbiAndPrefAlign, Align, FieldsShape, HasDataLayout, IndexSlice, IndexVec, Integer,
-    LayoutS, Niche, NonZeroUsize, Primitive, ReprOptions, Scalar, Size, StructKind, TagEncoding,
+    LayoutData, Niche, NonZeroUsize, Primitive, ReprOptions, Scalar, Size, StructKind, TagEncoding,
     Variants, WrappingRange,
 };
 
@@ -26,7 +26,7 @@ fn absent<'a, FieldIdx, VariantIdx, F>(fields: &IndexSlice<FieldIdx, F>) -> bool
 where
     FieldIdx: Idx,
     VariantIdx: Idx,
-    F: Deref<Target = &'a LayoutS<FieldIdx, VariantIdx>> + fmt::Debug,
+    F: Deref<Target = &'a LayoutData<FieldIdx, VariantIdx>> + fmt::Debug,
 {
     let uninhabited = fields.iter().any(|f| f.abi.is_uninhabited());
     // We cannot ignore alignment; that might lead us to entirely discard a variant and
@@ -89,7 +89,7 @@ impl<F> LayoutCalculatorError<F> {
 }
 
 type LayoutCalculatorResult<FieldIdx, VariantIdx, F> =
-    Result<LayoutS<FieldIdx, VariantIdx>, LayoutCalculatorError<F>>;
+    Result<LayoutData<FieldIdx, VariantIdx>, LayoutCalculatorError<F>>;
 
 #[derive(Clone, Copy, Debug)]
 pub struct LayoutCalculator<Cx> {
@@ -105,7 +105,7 @@ impl<Cx: HasDataLayout> LayoutCalculator<Cx> {
         &self,
         a: Scalar,
         b: Scalar,
-    ) -> LayoutS<FieldIdx, VariantIdx> {
+    ) -> LayoutData<FieldIdx, VariantIdx> {
         let dl = self.cx.data_layout();
         let b_align = b.align(dl);
         let align = a.align(dl).max(b_align).max(dl.aggregate_align);
@@ -119,7 +119,7 @@ impl<Cx: HasDataLayout> LayoutCalculator<Cx> {
             .chain(Niche::from_scalar(dl, Size::ZERO, a))
             .max_by_key(|niche| niche.available(dl));
 
-        LayoutS {
+        LayoutData {
             variants: Variants::Single { index: VariantIdx::new(0) },
             fields: FieldsShape::Arbitrary {
                 offsets: [Size::ZERO, b_offset].into(),
@@ -138,7 +138,7 @@ impl<Cx: HasDataLayout> LayoutCalculator<Cx> {
         'a,
         FieldIdx: Idx,
         VariantIdx: Idx,
-        F: Deref<Target = &'a LayoutS<FieldIdx, VariantIdx>> + fmt::Debug + Copy,
+        F: Deref<Target = &'a LayoutData<FieldIdx, VariantIdx>> + fmt::Debug + Copy,
     >(
         &self,
         fields: &IndexSlice<FieldIdx, F>,
@@ -211,9 +211,9 @@ impl<Cx: HasDataLayout> LayoutCalculator<Cx> {
 
     pub fn layout_of_never_type<FieldIdx: Idx, VariantIdx: Idx>(
         &self,
-    ) -> LayoutS<FieldIdx, VariantIdx> {
+    ) -> LayoutData<FieldIdx, VariantIdx> {
         let dl = self.cx.data_layout();
-        LayoutS {
+        LayoutData {
             variants: Variants::Single { index: VariantIdx::new(0) },
             fields: FieldsShape::Primitive,
             abi: Abi::Uninhabited,
@@ -229,7 +229,7 @@ impl<Cx: HasDataLayout> LayoutCalculator<Cx> {
         'a,
         FieldIdx: Idx,
         VariantIdx: Idx,
-        F: Deref<Target = &'a LayoutS<FieldIdx, VariantIdx>> + fmt::Debug + Copy,
+        F: Deref<Target = &'a LayoutData<FieldIdx, VariantIdx>> + fmt::Debug + Copy,
     >(
         &self,
         repr: &ReprOptions,
@@ -292,7 +292,7 @@ impl<Cx: HasDataLayout> LayoutCalculator<Cx> {
         'a,
         FieldIdx: Idx,
         VariantIdx: Idx,
-        F: Deref<Target = &'a LayoutS<FieldIdx, VariantIdx>> + fmt::Debug + Copy,
+        F: Deref<Target = &'a LayoutData<FieldIdx, VariantIdx>> + fmt::Debug + Copy,
     >(
         &self,
         repr: &ReprOptions,
@@ -384,7 +384,7 @@ impl<Cx: HasDataLayout> LayoutCalculator<Cx> {
             return Err(LayoutCalculatorError::EmptyUnion);
         };
 
-        Ok(LayoutS {
+        Ok(LayoutData {
             variants: Variants::Single { index: only_variant_idx },
             fields: FieldsShape::Union(union_field_count),
             abi,
@@ -401,7 +401,7 @@ impl<Cx: HasDataLayout> LayoutCalculator<Cx> {
         'a,
         FieldIdx: Idx,
         VariantIdx: Idx,
-        F: Deref<Target = &'a LayoutS<FieldIdx, VariantIdx>> + fmt::Debug + Copy,
+        F: Deref<Target = &'a LayoutData<FieldIdx, VariantIdx>> + fmt::Debug + Copy,
     >(
         &self,
         repr: &ReprOptions,
@@ -501,7 +501,7 @@ impl<Cx: HasDataLayout> LayoutCalculator<Cx> {
         'a,
         FieldIdx: Idx,
         VariantIdx: Idx,
-        F: Deref<Target = &'a LayoutS<FieldIdx, VariantIdx>> + fmt::Debug + Copy,
+        F: Deref<Target = &'a LayoutData<FieldIdx, VariantIdx>> + fmt::Debug + Copy,
     >(
         &self,
         repr: &ReprOptions,
@@ -516,8 +516,8 @@ impl<Cx: HasDataLayout> LayoutCalculator<Cx> {
         // overall LayoutS. Store the overall LayoutS
         // and the variant LayoutSs here until then.
         struct TmpLayout<FieldIdx: Idx, VariantIdx: Idx> {
-            layout: LayoutS<FieldIdx, VariantIdx>,
-            variants: IndexVec<VariantIdx, LayoutS<FieldIdx, VariantIdx>>,
+            layout: LayoutData<FieldIdx, VariantIdx>,
+            variants: IndexVec<VariantIdx, LayoutData<FieldIdx, VariantIdx>>,
         }
 
         let dl = self.cx.data_layout();
@@ -649,7 +649,7 @@ impl<Cx: HasDataLayout> LayoutCalculator<Cx> {
                 Abi::Aggregate { sized: true }
             };
 
-            let layout = LayoutS {
+            let layout = LayoutData {
                 variants: Variants::Multiple {
                     tag: niche_scalar,
                     tag_encoding: TagEncoding::Niche {
@@ -958,7 +958,7 @@ impl<Cx: HasDataLayout> LayoutCalculator<Cx> {
 
         let largest_niche = Niche::from_scalar(dl, Size::ZERO, tag);
 
-        let tagged_layout = LayoutS {
+        let tagged_layout = LayoutData {
             variants: Variants::Multiple {
                 tag,
                 tag_encoding: TagEncoding::Direct,
@@ -1013,7 +1013,7 @@ impl<Cx: HasDataLayout> LayoutCalculator<Cx> {
         'a,
         FieldIdx: Idx,
         VariantIdx: Idx,
-        F: Deref<Target = &'a LayoutS<FieldIdx, VariantIdx>> + fmt::Debug + Copy,
+        F: Deref<Target = &'a LayoutData<FieldIdx, VariantIdx>> + fmt::Debug + Copy,
     >(
         &self,
         fields: &IndexSlice<FieldIdx, F>,
@@ -1341,7 +1341,7 @@ impl<Cx: HasDataLayout> LayoutCalculator<Cx> {
             unadjusted_abi_align
         };
 
-        Ok(LayoutS {
+        Ok(LayoutData {
             variants: Variants::Single { index: VariantIdx::new(0) },
             fields: FieldsShape::Arbitrary { offsets, memory_index },
             abi,
@@ -1357,10 +1357,10 @@ impl<Cx: HasDataLayout> LayoutCalculator<Cx> {
         'a,
         FieldIdx: Idx,
         VariantIdx: Idx,
-        F: Deref<Target = &'a LayoutS<FieldIdx, VariantIdx>> + fmt::Debug,
+        F: Deref<Target = &'a LayoutData<FieldIdx, VariantIdx>> + fmt::Debug,
     >(
         &self,
-        layout: &LayoutS<FieldIdx, VariantIdx>,
+        layout: &LayoutData<FieldIdx, VariantIdx>,
         fields: &IndexSlice<FieldIdx, F>,
     ) -> String {
         let dl = self.cx.data_layout();

compiler/rustc_abi/src/layout/ty.rs

@@ -58,7 +58,7 @@ rustc_index::newtype_index! {
 }
 #[derive(Copy, Clone, PartialEq, Eq, Hash, HashStable_Generic)]
 #[rustc_pass_by_value]
-pub struct Layout<'a>(pub Interned<'a, LayoutS<FieldIdx, VariantIdx>>);
+pub struct Layout<'a>(pub Interned<'a, LayoutData<FieldIdx, VariantIdx>>);
 
 impl<'a> fmt::Debug for Layout<'a> {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
@@ -68,8 +68,8 @@ impl<'a> fmt::Debug for Layout<'a> {
 }
 
 impl<'a> Deref for Layout<'a> {
-    type Target = &'a LayoutS<FieldIdx, VariantIdx>;
-    fn deref(&self) -> &&'a LayoutS<FieldIdx, VariantIdx> {
+    type Target = &'a LayoutData<FieldIdx, VariantIdx>;
+    fn deref(&self) -> &&'a LayoutData<FieldIdx, VariantIdx> {
         &self.0.0
     }
 }
@@ -142,8 +142,8 @@ impl<'a, Ty: fmt::Display> fmt::Debug for TyAndLayout<'a, Ty> {
 }
 
 impl<'a, Ty> Deref for TyAndLayout<'a, Ty> {
-    type Target = &'a LayoutS<FieldIdx, VariantIdx>;
-    fn deref(&self) -> &&'a LayoutS<FieldIdx, VariantIdx> {
+    type Target = &'a LayoutData<FieldIdx, VariantIdx>;
+    fn deref(&self) -> &&'a LayoutData<FieldIdx, VariantIdx> {
         &self.layout.0.0
     }
 }

compiler/rustc_abi/src/lib.rs

@@ -1485,7 +1485,7 @@ pub enum Variants<FieldIdx: Idx, VariantIdx: Idx> {
         tag: Scalar,
         tag_encoding: TagEncoding<VariantIdx>,
         tag_field: usize,
-        variants: IndexVec<VariantIdx, LayoutS<FieldIdx, VariantIdx>>,
+        variants: IndexVec<VariantIdx, LayoutData<FieldIdx, VariantIdx>>,
     },
 }
 
@@ -1603,7 +1603,7 @@ impl Niche {
 // NOTE: This struct is generic over the FieldIdx and VariantIdx for rust-analyzer usage.
 #[derive(PartialEq, Eq, Hash, Clone)]
 #[cfg_attr(feature = "nightly", derive(HashStable_Generic))]
-pub struct LayoutS<FieldIdx: Idx, VariantIdx: Idx> {
+pub struct LayoutData<FieldIdx: Idx, VariantIdx: Idx> {
     /// Says where the fields are located within the layout.
     pub fields: FieldsShape<FieldIdx>,
 
@@ -1643,7 +1643,7 @@ pub struct LayoutS<FieldIdx: Idx, VariantIdx: Idx> {
     pub unadjusted_abi_align: Align,
 }
 
-impl<FieldIdx: Idx, VariantIdx: Idx> LayoutS<FieldIdx, VariantIdx> {
+impl<FieldIdx: Idx, VariantIdx: Idx> LayoutData<FieldIdx, VariantIdx> {
     /// Returns `true` if this is an aggregate type (including a ScalarPair!)
     pub fn is_aggregate(&self) -> bool {
         match self.abi {
@@ -1656,7 +1656,7 @@ impl<FieldIdx: Idx, VariantIdx: Idx> LayoutS<FieldIdx, VariantIdx> {
         let largest_niche = Niche::from_scalar(cx, Size::ZERO, scalar);
         let size = scalar.size(cx);
         let align = scalar.align(cx);
-        LayoutS {
+        LayoutData {
             variants: Variants::Single { index: VariantIdx::new(0) },
             fields: FieldsShape::Primitive,
             abi: Abi::Scalar(scalar),
@@ -1669,7 +1669,7 @@ impl<FieldIdx: Idx, VariantIdx: Idx> LayoutS<FieldIdx, VariantIdx> {
     }
 }
 
-impl<FieldIdx: Idx, VariantIdx: Idx> fmt::Debug for LayoutS<FieldIdx, VariantIdx>
+impl<FieldIdx: Idx, VariantIdx: Idx> fmt::Debug for LayoutData<FieldIdx, VariantIdx>
 where
     FieldsShape<FieldIdx>: fmt::Debug,
     Variants<FieldIdx, VariantIdx>: fmt::Debug,
@@ -1678,7 +1678,7 @@ where
         // This is how `Layout` used to print before it become
         // `Interned<LayoutS>`. We print it like this to avoid having to update
         // expected output in a lot of tests.
-        let LayoutS {
+        let LayoutData {
             size,
             align,
             abi,
@@ -1723,7 +1723,7 @@ pub struct PointeeInfo {
     pub safe: Option<PointerKind>,
 }
 
-impl<FieldIdx: Idx, VariantIdx: Idx> LayoutS<FieldIdx, VariantIdx> {
+impl<FieldIdx: Idx, VariantIdx: Idx> LayoutData<FieldIdx, VariantIdx> {
     /// Returns `true` if the layout corresponds to an unsized type.
     #[inline]
     pub fn is_unsized(&self) -> bool {

compiler/rustc_middle/src/arena.rs

@@ -8,7 +8,7 @@
 macro_rules! arena_types {
     ($macro:path) => (
         $macro!([
-            [] layout: rustc_target::abi::LayoutS<rustc_target::abi::FieldIdx, rustc_target::abi::VariantIdx>,
+            [] layout: rustc_abi::LayoutData<rustc_abi::FieldIdx, rustc_abi::VariantIdx>,
             [] fn_abi: rustc_target::abi::call::FnAbi<'tcx, rustc_middle::ty::Ty<'tcx>>,
             // AdtDef are interned and compared by address
             [decode] adt_def: rustc_middle::ty::AdtDefData,

compiler/rustc_middle/src/ty/context.rs

@@ -12,7 +12,7 @@ use std::marker::PhantomData;
 use std::ops::{Bound, Deref};
 use std::{fmt, iter, mem};
 
-use rustc_abi::{FieldIdx, Layout, LayoutS, TargetDataLayout, VariantIdx};
+use rustc_abi::{FieldIdx, Layout, LayoutData, TargetDataLayout, VariantIdx};
 use rustc_ast::{self as ast, attr};
 use rustc_data_structures::defer;
 use rustc_data_structures::fingerprint::Fingerprint;
@@ -766,7 +766,7 @@ pub struct CtxtInterners<'tcx> {
     pat: InternedSet<'tcx, PatternKind<'tcx>>,
     const_allocation: InternedSet<'tcx, Allocation>,
     bound_variable_kinds: InternedSet<'tcx, List<ty::BoundVariableKind>>,
-    layout: InternedSet<'tcx, LayoutS<FieldIdx, VariantIdx>>,
+    layout: InternedSet<'tcx, LayoutData<FieldIdx, VariantIdx>>,
     adt_def: InternedSet<'tcx, AdtDefData>,
     external_constraints: InternedSet<'tcx, ExternalConstraintsData<TyCtxt<'tcx>>>,
     predefined_opaques_in_body: InternedSet<'tcx, PredefinedOpaquesData<TyCtxt<'tcx>>>,
@@ -2469,7 +2469,7 @@ direct_interners! {
     region: pub(crate) intern_region(RegionKind<'tcx>): Region -> Region<'tcx>,
     pat: pub mk_pat(PatternKind<'tcx>): Pattern -> Pattern<'tcx>,
     const_allocation: pub mk_const_alloc(Allocation): ConstAllocation -> ConstAllocation<'tcx>,
-    layout: pub mk_layout(LayoutS<FieldIdx, VariantIdx>): Layout -> Layout<'tcx>,
+    layout: pub mk_layout(LayoutData<FieldIdx, VariantIdx>): Layout -> Layout<'tcx>,
     adt_def: pub mk_adt_def_from_data(AdtDefData): AdtDef -> AdtDef<'tcx>,
     external_constraints: pub mk_external_constraints(ExternalConstraintsData<TyCtxt<'tcx>>):
         ExternalConstraints -> ExternalConstraints<'tcx>,

compiler/rustc_middle/src/ty/layout.rs

@@ -4,7 +4,7 @@ use std::{cmp, fmt};
 
 use rustc_abi::Primitive::{self, Float, Int, Pointer};
 use rustc_abi::{
-    Abi, AddressSpace, Align, FieldsShape, HasDataLayout, Integer, LayoutCalculator, LayoutS,
+    Abi, AddressSpace, Align, FieldsShape, HasDataLayout, Integer, LayoutCalculator, LayoutData,
     PointeeInfo, PointerKind, ReprOptions, Scalar, Size, TagEncoding, TargetDataLayout, Variants,
 };
 use rustc_error_messages::DiagMessage;
@@ -751,7 +751,7 @@ where
                     ty::Adt(def, _) => def.variant(variant_index).fields.len(),
                     _ => bug!("`ty_and_layout_for_variant` on unexpected type {}", this.ty),
                 };
-                tcx.mk_layout(LayoutS {
+                tcx.mk_layout(LayoutData {
                     variants: Variants::Single { index: variant_index },
                     fields: match NonZero::new(fields) {
                         Some(fields) => FieldsShape::Union(fields),
@@ -788,7 +788,7 @@ where
             let tcx = cx.tcx();
             let tag_layout = |tag: Scalar| -> TyAndLayout<'tcx> {
                 TyAndLayout {
-                    layout: tcx.mk_layout(LayoutS::scalar(cx, tag)),
+                    layout: tcx.mk_layout(LayoutData::scalar(cx, tag)),
                     ty: tag.primitive().to_ty(tcx),
                 }
             };

compiler/rustc_smir/src/rustc_smir/convert/abi.rs

@@ -50,7 +50,7 @@ impl<'tcx> Stable<'tcx> for rustc_target::abi::Layout<'tcx> {
 }
 
 impl<'tcx> Stable<'tcx>
-    for rustc_abi::LayoutS<rustc_target::abi::FieldIdx, rustc_target::abi::VariantIdx>
+    for rustc_abi::LayoutData<rustc_target::abi::FieldIdx, rustc_target::abi::VariantIdx>
 {
     type T = LayoutShape;