Auto merge of #3254 - rust-lang:rustup-2024-01-06, r=saethlin

Automatic Rustup

6 files changed, 53 insertions, 61 deletions

diff --git a/compiler/rustc_codegen_ssa/src/back/symbol_export.rs b/compiler/rustc_codegen_ssa/src/back/symbol_export.rs
index 54b523cb6bd..94841ab7b33 100644
--- a/compiler/rustc_codegen_ssa/src/back/symbol_export.rs
+++ b/compiler/rustc_codegen_ssa/src/back/symbol_export.rs
@@ -3,7 +3,7 @@ use crate::base::allocator_kind_for_codegen;
 use std::collections::hash_map::Entry::*;
 
 use rustc_ast::expand::allocator::{ALLOCATOR_METHODS, NO_ALLOC_SHIM_IS_UNSTABLE};
-use rustc_data_structures::fx::FxHashMap;
+use rustc_data_structures::unord::UnordMap;
 use rustc_hir::def::DefKind;
 use rustc_hir::def_id::{CrateNum, DefId, DefIdMap, LocalDefId, LOCAL_CRATE};
 use rustc_middle::middle::codegen_fn_attrs::CodegenFnAttrFlags;
@@ -393,10 +393,10 @@ fn exported_symbols_provider_local(
 fn upstream_monomorphizations_provider(
     tcx: TyCtxt<'_>,
     (): (),
-) -> DefIdMap<FxHashMap<GenericArgsRef<'_>, CrateNum>> {
+) -> DefIdMap<UnordMap<GenericArgsRef<'_>, CrateNum>> {
     let cnums = tcx.crates(());
 
-    let mut instances: DefIdMap<FxHashMap<_, _>> = Default::default();
+    let mut instances: DefIdMap<UnordMap<_, _>> = Default::default();
 
     let drop_in_place_fn_def_id = tcx.lang_items().drop_in_place_fn();
 
@@ -445,7 +445,7 @@ fn upstream_monomorphizations_provider(
 fn upstream_monomorphizations_for_provider(
     tcx: TyCtxt<'_>,
     def_id: DefId,
-) -> Option<&FxHashMap<GenericArgsRef<'_>, CrateNum>> {
+) -> Option<&UnordMap<GenericArgsRef<'_>, CrateNum>> {
     debug_assert!(!def_id.is_local());
     tcx.upstream_monomorphizations(()).get(&def_id)
 }
@@ -656,7 +656,7 @@ fn maybe_emutls_symbol_name<'tcx>(
     }
 }
 
-fn wasm_import_module_map(tcx: TyCtxt<'_>, cnum: CrateNum) -> FxHashMap<DefId, String> {
+fn wasm_import_module_map(tcx: TyCtxt<'_>, cnum: CrateNum) -> DefIdMap<String> {
     // Build up a map from DefId to a `NativeLib` structure, where
     // `NativeLib` internally contains information about
     // `#[link(wasm_import_module = "...")]` for example.
@@ -665,9 +665,9 @@ fn wasm_import_module_map(tcx: TyCtxt<'_>, cnum: CrateNum) -> FxHashMap<DefId, S
     let def_id_to_native_lib = native_libs
         .iter()
         .filter_map(|lib| lib.foreign_module.map(|id| (id, lib)))
-        .collect::<FxHashMap<_, _>>();
+        .collect::<DefIdMap<_>>();
 
-    let mut ret = FxHashMap::default();
+    let mut ret = DefIdMap::default();
     for (def_id, lib) in tcx.foreign_modules(cnum).iter() {
         let module = def_id_to_native_lib.get(def_id).and_then(|s| s.wasm_import_module());
         let Some(module) = module else { continue };
diff --git a/compiler/rustc_codegen_ssa/src/back/write.rs b/compiler/rustc_codegen_ssa/src/back/write.rs
index 5a8db7bbf2d..d2c6b6e0c7b 100644
--- a/compiler/rustc_codegen_ssa/src/back/write.rs
+++ b/compiler/rustc_codegen_ssa/src/back/write.rs
@@ -1848,9 +1848,9 @@ impl SharedEmitterMain {
                 }
                 Ok(SharedEmitterMessage::InlineAsmError(cookie, msg, level, source)) => {
                     let err_level = match level {
-                        Level::Error { lint: false } => rustc_errors::Level::Error { lint: false },
-                        Level::Warning(_) => rustc_errors::Level::Warning(None),
-                        Level::Note => rustc_errors::Level::Note,
+                        Level::Error => Level::Error,
+                        Level::Warning(_) => Level::Warning(None),
+                        Level::Note => Level::Note,
                         _ => bug!("Invalid inline asm diagnostic level"),
                     };
                     let msg = msg.strip_prefix("error: ").unwrap_or(&msg).to_string();
@@ -1860,7 +1860,7 @@ impl SharedEmitterMain {
                     if cookie != 0 {
                         let pos = BytePos::from_u32(cookie);
                         let span = Span::with_root_ctxt(pos, pos);
-                        err.set_span(span);
+                        err.span(span);
                     };
 
                     // Point to the generated assembly if it is available.
diff --git a/compiler/rustc_codegen_ssa/src/errors.rs b/compiler/rustc_codegen_ssa/src/errors.rs
index 2b628d2aa69..c1086bebb8d 100644
--- a/compiler/rustc_codegen_ssa/src/errors.rs
+++ b/compiler/rustc_codegen_ssa/src/errors.rs
@@ -244,30 +244,30 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for ThorinErrorWrapper {
             }
             thorin::Error::NamelessSection(_, offset) => {
                 diag = build(fluent::codegen_ssa_thorin_section_without_name);
-                diag.set_arg("offset", format!("0x{offset:08x}"));
+                diag.arg("offset", format!("0x{offset:08x}"));
                 diag
             }
             thorin::Error::RelocationWithInvalidSymbol(section, offset) => {
                 diag = build(fluent::codegen_ssa_thorin_relocation_with_invalid_symbol);
-                diag.set_arg("section", section);
-                diag.set_arg("offset", format!("0x{offset:08x}"));
+                diag.arg("section", section);
+                diag.arg("offset", format!("0x{offset:08x}"));
                 diag
             }
             thorin::Error::MultipleRelocations(section, offset) => {
                 diag = build(fluent::codegen_ssa_thorin_multiple_relocations);
-                diag.set_arg("section", section);
-                diag.set_arg("offset", format!("0x{offset:08x}"));
+                diag.arg("section", section);
+                diag.arg("offset", format!("0x{offset:08x}"));
                 diag
             }
             thorin::Error::UnsupportedRelocation(section, offset) => {
                 diag = build(fluent::codegen_ssa_thorin_unsupported_relocation);
-                diag.set_arg("section", section);
-                diag.set_arg("offset", format!("0x{offset:08x}"));
+                diag.arg("section", section);
+                diag.arg("offset", format!("0x{offset:08x}"));
                 diag
             }
             thorin::Error::MissingDwoName(id) => {
                 diag = build(fluent::codegen_ssa_thorin_missing_dwo_name);
-                diag.set_arg("id", format!("0x{id:08x}"));
+                diag.arg("id", format!("0x{id:08x}"));
                 diag
             }
             thorin::Error::NoCompilationUnits => {
@@ -284,7 +284,7 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for ThorinErrorWrapper {
             }
             thorin::Error::MissingRequiredSection(section) => {
                 diag = build(fluent::codegen_ssa_thorin_missing_required_section);
-                diag.set_arg("section", section);
+                diag.arg("section", section);
                 diag
             }
             thorin::Error::ParseUnitAbbreviations(_) => {
@@ -305,34 +305,34 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for ThorinErrorWrapper {
             }
             thorin::Error::IncompatibleIndexVersion(section, format, actual) => {
                 diag = build(fluent::codegen_ssa_thorin_incompatible_index_version);
-                diag.set_arg("section", section);
-                diag.set_arg("actual", actual);
-                diag.set_arg("format", format);
+                diag.arg("section", section);
+                diag.arg("actual", actual);
+                diag.arg("format", format);
                 diag
             }
             thorin::Error::OffsetAtIndex(_, index) => {
                 diag = build(fluent::codegen_ssa_thorin_offset_at_index);
-                diag.set_arg("index", index);
+                diag.arg("index", index);
                 diag
             }
             thorin::Error::StrAtOffset(_, offset) => {
                 diag = build(fluent::codegen_ssa_thorin_str_at_offset);
-                diag.set_arg("offset", format!("0x{offset:08x}"));
+                diag.arg("offset", format!("0x{offset:08x}"));
                 diag
             }
             thorin::Error::ParseIndex(_, section) => {
                 diag = build(fluent::codegen_ssa_thorin_parse_index);
-                diag.set_arg("section", section);
+                diag.arg("section", section);
                 diag
             }
             thorin::Error::UnitNotInIndex(unit) => {
                 diag = build(fluent::codegen_ssa_thorin_unit_not_in_index);
-                diag.set_arg("unit", format!("0x{unit:08x}"));
+                diag.arg("unit", format!("0x{unit:08x}"));
                 diag
             }
             thorin::Error::RowNotInIndex(_, row) => {
                 diag = build(fluent::codegen_ssa_thorin_row_not_in_index);
-                diag.set_arg("row", row);
+                diag.arg("row", row);
                 diag
             }
             thorin::Error::SectionNotInRow => {
@@ -341,7 +341,7 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for ThorinErrorWrapper {
             }
             thorin::Error::EmptyUnit(unit) => {
                 diag = build(fluent::codegen_ssa_thorin_empty_unit);
-                diag.set_arg("unit", format!("0x{unit:08x}"));
+                diag.arg("unit", format!("0x{unit:08x}"));
                 diag
             }
             thorin::Error::MultipleDebugInfoSection => {
@@ -358,12 +358,12 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for ThorinErrorWrapper {
             }
             thorin::Error::DuplicateUnit(unit) => {
                 diag = build(fluent::codegen_ssa_thorin_duplicate_unit);
-                diag.set_arg("unit", format!("0x{unit:08x}"));
+                diag.arg("unit", format!("0x{unit:08x}"));
                 diag
             }
             thorin::Error::MissingReferencedUnit(unit) => {
                 diag = build(fluent::codegen_ssa_thorin_missing_referenced_unit);
-                diag.set_arg("unit", format!("0x{unit:08x}"));
+                diag.arg("unit", format!("0x{unit:08x}"));
                 diag
             }
             thorin::Error::NoOutputObjectCreated => {
@@ -376,27 +376,27 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for ThorinErrorWrapper {
             }
             thorin::Error::Io(e) => {
                 diag = build(fluent::codegen_ssa_thorin_io);
-                diag.set_arg("error", format!("{e}"));
+                diag.arg("error", format!("{e}"));
                 diag
             }
             thorin::Error::ObjectRead(e) => {
                 diag = build(fluent::codegen_ssa_thorin_object_read);
-                diag.set_arg("error", format!("{e}"));
+                diag.arg("error", format!("{e}"));
                 diag
             }
             thorin::Error::ObjectWrite(e) => {
                 diag = build(fluent::codegen_ssa_thorin_object_write);
-                diag.set_arg("error", format!("{e}"));
+                diag.arg("error", format!("{e}"));
                 diag
             }
             thorin::Error::GimliRead(e) => {
                 diag = build(fluent::codegen_ssa_thorin_gimli_read);
-                diag.set_arg("error", format!("{e}"));
+                diag.arg("error", format!("{e}"));
                 diag
             }
             thorin::Error::GimliWrite(e) => {
                 diag = build(fluent::codegen_ssa_thorin_gimli_write);
-                diag.set_arg("error", format!("{e}"));
+                diag.arg("error", format!("{e}"));
                 diag
             }
             _ => unimplemented!("Untranslated thorin error"),
@@ -414,8 +414,8 @@ pub struct LinkingFailed<'a> {
 impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for LinkingFailed<'_> {
     fn into_diagnostic(self, dcx: &DiagCtxt, level: Level) -> DiagnosticBuilder<'_, G> {
         let mut diag = DiagnosticBuilder::new(dcx, level, fluent::codegen_ssa_linking_failed);
-        diag.set_arg("linker_path", format!("{}", self.linker_path.display()));
-        diag.set_arg("exit_status", format!("{}", self.exit_status));
+        diag.arg("linker_path", format!("{}", self.linker_path.display()));
+        diag.arg("exit_status", format!("{}", self.exit_status));
 
         let contains_undefined_ref = self.escaped_output.contains("undefined reference to");
 
diff --git a/compiler/rustc_codegen_ssa/src/mir/operand.rs b/compiler/rustc_codegen_ssa/src/mir/operand.rs
index 794cbd315b7..6f6f010422f 100644
--- a/compiler/rustc_codegen_ssa/src/mir/operand.rs
+++ b/compiler/rustc_codegen_ssa/src/mir/operand.rs
@@ -231,14 +231,12 @@ impl<'a, 'tcx, V: CodegenObject> OperandRef<'tcx, V> {
         bx: &mut Bx,
     ) -> V {
         if let OperandValue::Pair(a, b) = self.val {
-            let llty = bx.cx().backend_type(self.layout);
+            let llty = bx.cx().immediate_backend_type(self.layout);
             debug!("Operand::immediate_or_packed_pair: packing {:?} into {:?}", self, llty);
             // Reconstruct the immediate aggregate.
             let mut llpair = bx.cx().const_poison(llty);
-            let imm_a = bx.from_immediate(a);
-            let imm_b = bx.from_immediate(b);
-            llpair = bx.insert_value(llpair, imm_a, 0);
-            llpair = bx.insert_value(llpair, imm_b, 1);
+            llpair = bx.insert_value(llpair, a, 0);
+            llpair = bx.insert_value(llpair, b, 1);
             llpair
         } else {
             self.immediate()
@@ -251,14 +249,12 @@ impl<'a, 'tcx, V: CodegenObject> OperandRef<'tcx, V> {
         llval: V,
         layout: TyAndLayout<'tcx>,
     ) -> Self {
-        let val = if let Abi::ScalarPair(a, b) = layout.abi {
+        let val = if let Abi::ScalarPair(..) = layout.abi {
             debug!("Operand::from_immediate_or_packed_pair: unpacking {:?} @ {:?}", llval, layout);
 
             // Deconstruct the immediate aggregate.
             let a_llval = bx.extract_value(llval, 0);
-            let a_llval = bx.to_immediate_scalar(a_llval, a);
             let b_llval = bx.extract_value(llval, 1);
-            let b_llval = bx.to_immediate_scalar(b_llval, b);
             OperandValue::Pair(a_llval, b_llval)
         } else {
             OperandValue::Immediate(llval)
@@ -435,15 +431,14 @@ impl<'a, 'tcx, V: CodegenObject> OperandValue<V> {
                 let Abi::ScalarPair(a_scalar, b_scalar) = dest.layout.abi else {
                     bug!("store_with_flags: invalid ScalarPair layout: {:#?}", dest.layout);
                 };
-                let ty = bx.backend_type(dest.layout);
                 let b_offset = a_scalar.size(bx).align_to(b_scalar.align(bx).abi);
 
-                let llptr = bx.struct_gep(ty, dest.llval, 0);
                 let val = bx.from_immediate(a);
                 let align = dest.align;
-                bx.store_with_flags(val, llptr, align, flags);
+                bx.store_with_flags(val, dest.llval, align, flags);
 
-                let llptr = bx.struct_gep(ty, dest.llval, 1);
+                let llptr =
+                    bx.inbounds_gep(bx.type_i8(), dest.llval, &[bx.const_usize(b_offset.bytes())]);
                 let val = bx.from_immediate(b);
                 let align = dest.align.restrict_for_offset(b_offset);
                 bx.store_with_flags(val, llptr, align, flags);
diff --git a/compiler/rustc_codegen_ssa/src/mir/place.rs b/compiler/rustc_codegen_ssa/src/mir/place.rs
index c0bb3ac5661..73c08e2ca61 100644
--- a/compiler/rustc_codegen_ssa/src/mir/place.rs
+++ b/compiler/rustc_codegen_ssa/src/mir/place.rs
@@ -108,20 +108,17 @@ impl<'a, 'tcx, V: CodegenObject> PlaceRef<'tcx, V> {
                     // Also handles the first field of Scalar, ScalarPair, and Vector layouts.
                     self.llval
                 }
-                Abi::ScalarPair(a, b)
-                    if offset == a.size(bx.cx()).align_to(b.align(bx.cx()).abi) =>
-                {
-                    // Offset matches second field.
-                    let ty = bx.backend_type(self.layout);
-                    bx.struct_gep(ty, self.llval, 1)
+                Abi::ScalarPair(..) => {
+                    // FIXME(nikic): Generate this for all ABIs.
+                    bx.inbounds_gep(bx.type_i8(), self.llval, &[bx.const_usize(offset.bytes())])
                 }
-                Abi::Scalar(_) | Abi::ScalarPair(..) | Abi::Vector { .. } if field.is_zst() => {
+                Abi::Scalar(_) | Abi::Vector { .. } if field.is_zst() => {
                     // ZST fields (even some that require alignment) are not included in Scalar,
                     // ScalarPair, and Vector layouts, so manually offset the pointer.
                     bx.gep(bx.cx().type_i8(), self.llval, &[bx.const_usize(offset.bytes())])
                 }
-                Abi::Scalar(_) | Abi::ScalarPair(..) => {
-                    // All fields of Scalar and ScalarPair layouts must have been handled by this point.
+                Abi::Scalar(_) => {
+                    // All fields of Scalar layouts must have been handled by this point.
                     // Vector layouts have additional fields for each element of the vector, so don't panic in that case.
                     bug!(
                         "offset of non-ZST field `{:?}` does not match layout `{:#?}`",
diff --git a/compiler/rustc_codegen_ssa/src/target_features.rs b/compiler/rustc_codegen_ssa/src/target_features.rs
index 031fcc0adb1..b6bb1607a09 100644
--- a/compiler/rustc_codegen_ssa/src/target_features.rs
+++ b/compiler/rustc_codegen_ssa/src/target_features.rs
@@ -1,8 +1,8 @@
 use crate::errors;
 use rustc_ast::ast;
 use rustc_attr::InstructionSetAttr;
-use rustc_data_structures::fx::FxHashMap;
 use rustc_data_structures::fx::FxIndexSet;
+use rustc_data_structures::unord::UnordMap;
 use rustc_errors::Applicability;
 use rustc_hir::def::DefKind;
 use rustc_hir::def_id::DefId;
@@ -18,7 +18,7 @@ use rustc_span::Span;
 pub fn from_target_feature(
     tcx: TyCtxt<'_>,
     attr: &ast::Attribute,
-    supported_target_features: &FxHashMap<String, Option<Symbol>>,
+    supported_target_features: &UnordMap<String, Option<Symbol>>,
     target_features: &mut Vec<Symbol>,
 ) {
     let Some(list) = attr.meta_item_list() else { return };