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Auto merge of #120931 - chenyukang:yukang-cleanup-hashmap, r=michaelwoerister

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Clean up potential_query_instability with FxIndexMap and UnordMap

From https://github.com/rust-lang/rust/pull/120485#issuecomment-1916437191

r? `@michaelwoerister`
This commit is contained in:
bors 2024-02-15 12:36:37 +00:00
commit fa9f77ff35
30 changed files with 122 additions and 139 deletions
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7
compiler/rustc_borrowck/src/universal_regions.rs
View File

@ -15,7 +15,7 @@
#![allow(rustc::diagnostic_outside_of_impl)]
#![allow(rustc::untranslatable_diagnostic)]
use rustc_data_structures::fx::FxHashMap;
use rustc_data_structures::fx::FxIndexMap;
use rustc_errors::Diagnostic;
use rustc_hir::def_id::{DefId, LocalDefId};
use rustc_hir::lang_items::LangItem;
@ -180,7 +180,7 @@ struct UniversalRegionIndices<'tcx> {
/// basically equivalent to an `GenericArgs`, except that it also
/// contains an entry for `ReStatic` -- it might be nice to just
/// use an args, and then handle `ReStatic` another way.
indices: FxHashMap<ty::Region<'tcx>, RegionVid>,
indices: FxIndexMap<ty::Region<'tcx>, RegionVid>,
/// The vid assigned to `'static`. Used only for diagnostics.
pub fr_static: RegionVid,
@ -325,9 +325,6 @@ impl<'tcx> UniversalRegions<'tcx> {
}
/// Gets an iterator over all the early-bound regions that have names.
/// Iteration order may be unstable, so this should only be used when
/// iteration order doesn't affect anything
#[allow(rustc::potential_query_instability)]
pub fn named_universal_regions<'s>(
&'s self,
) -> impl Iterator<Item = (ty::Region<'tcx>, ty::RegionVid)> + 's {

6
compiler/rustc_codegen_llvm/src/back/lto.rs
View File

@ -21,6 +21,7 @@ use rustc_middle::dep_graph::WorkProduct;
use rustc_middle::middle::exported_symbols::{SymbolExportInfo, SymbolExportLevel};
use rustc_session::config::{self, CrateType, Lto};
use std::collections::BTreeMap;
use std::ffi::{CStr, CString};
use std::fs::File;
use std::io;
@ -787,7 +788,7 @@ pub unsafe fn optimize_thin_module(
#[derive(Debug, Default)]
pub struct ThinLTOKeysMap {
// key = llvm name of importing module, value = LLVM cache key
keys: FxHashMap<String, String>,
keys: BTreeMap<String, String>,
}
impl ThinLTOKeysMap {
@ -797,7 +798,6 @@ impl ThinLTOKeysMap {
let mut writer = io::BufWriter::new(file);
// The entries are loaded back into a hash map in `load_from_file()`, so
// the order in which we write them to file here does not matter.
#[allow(rustc::potential_query_instability)]
for (module, key) in &self.keys {
writeln!(writer, "{module} {key}")?;
}
@ -806,7 +806,7 @@ impl ThinLTOKeysMap {
fn load_from_file(path: &Path) -> io::Result<Self> {
use std::io::BufRead;
let mut keys = FxHashMap::default();
let mut keys = BTreeMap::default();
let file = File::open(path)?;
for line in io::BufReader::new(file).lines() {
let line = line?;

1
compiler/rustc_codegen_llvm/src/coverageinfo/mapgen.rs
View File

@ -403,7 +403,6 @@ fn codegenned_and_inlined_items(tcx: TyCtxt<'_>) -> DefIdSet {
let mut result = items.clone();
for cgu in cgus {
#[allow(rustc::potential_query_instability)]
for item in cgu.items().keys() {
if let mir::mono::MonoItem::Fn(ref instance) = item {
let did = instance.def_id();

10
compiler/rustc_codegen_ssa/src/assert_module_sources.rs
View File

@ -25,7 +25,7 @@
use crate::errors;
use rustc_ast as ast;
use rustc_data_structures::fx::FxHashMap;
use rustc_data_structures::unord::UnordMap;
use rustc_data_structures::unord::UnordSet;
use rustc_errors::{DiagnosticArgValue, IntoDiagnosticArg};
use rustc_hir::def_id::LOCAL_CRATE;
@ -218,8 +218,8 @@ pub enum ComparisonKind {
}
struct TrackerData {
actual_reuse: FxHashMap<String, CguReuse>,
expected_reuse: FxHashMap<String, (String, Span, CguReuse, ComparisonKind)>,
actual_reuse: UnordMap<String, CguReuse>,
expected_reuse: UnordMap<String, (String, Span, CguReuse, ComparisonKind)>,
}
pub struct CguReuseTracker {
@ -267,9 +267,7 @@ impl CguReuseTracker {
fn check_expected_reuse(&self, sess: &Session) {
if let Some(ref data) = self.data {
#[allow(rustc::potential_query_instability)]
let mut keys = data.expected_reuse.keys().collect::<Vec<_>>();
keys.sort_unstable();
let keys = data.expected_reuse.keys().into_sorted_stable_ord();
for cgu_name in keys {
let &(ref cgu_user_name, ref error_span, expected_reuse, comparison_kind) =
data.expected_reuse.get(cgu_name).unwrap();

4
compiler/rustc_codegen_ssa/src/back/archive.rs
View File

@ -1,4 +1,4 @@
use rustc_data_structures::fx::FxHashSet;
use rustc_data_structures::fx::FxIndexSet;
use rustc_data_structures::memmap::Mmap;
use rustc_session::cstore::DllImport;
use rustc_session::Session;
@ -41,7 +41,7 @@ pub trait ArchiveBuilderBuilder {
&'a self,
rlib: &'a Path,
outdir: &Path,
bundled_lib_file_names: &FxHashSet<Symbol>,
bundled_lib_file_names: &FxIndexSet<Symbol>,
) -> Result<(), ExtractBundledLibsError<'_>> {
let archive_map = unsafe {
Mmap::map(

26
compiler/rustc_codegen_ssa/src/back/link.rs
View File

@ -1,7 +1,6 @@
use rustc_arena::TypedArena;
use rustc_ast::CRATE_NODE_ID;
use rustc_data_structures::fx::FxHashSet;
use rustc_data_structures::fx::FxIndexMap;
use rustc_data_structures::fx::{FxIndexMap, FxIndexSet};
use rustc_data_structures::memmap::Mmap;
use rustc_data_structures::temp_dir::MaybeTempDir;
use rustc_errors::{DiagCtxt, ErrorGuaranteed};
@ -534,9 +533,9 @@ fn link_staticlib<'a>(
let native_libs = codegen_results.crate_info.native_libraries[&cnum].iter();
let relevant = native_libs.clone().filter(|lib| relevant_lib(sess, lib));
let relevant_libs: FxHashSet<_> = relevant.filter_map(|lib| lib.filename).collect();
let relevant_libs: FxIndexSet<_> = relevant.filter_map(|lib| lib.filename).collect();
let bundled_libs: FxHashSet<_> = native_libs.filter_map(|lib| lib.filename).collect();
let bundled_libs: FxIndexSet<_> = native_libs.filter_map(|lib| lib.filename).collect();
ab.add_archive(
path,
Box::new(move |fname: &str| {
@ -564,11 +563,7 @@ fn link_staticlib<'a>(
.extract_bundled_libs(path, tempdir.as_ref(), &relevant_libs)
.unwrap_or_else(|e| sess.dcx().emit_fatal(e));
// We sort the libraries below
#[allow(rustc::potential_query_instability)]
let mut relevant_libs: Vec<Symbol> = relevant_libs.into_iter().collect();
relevant_libs.sort_unstable();
for filename in relevant_libs {
for filename in relevant_libs.iter() {
let joined = tempdir.as_ref().join(filename.as_str());
let path = joined.as_path();
ab.add_archive(path, Box::new(|_| false)).unwrap();
@ -682,13 +677,14 @@ fn link_dwarf_object<'a>(
}
// Input rlibs contain .o/.dwo files from dependencies.
#[allow(rustc::potential_query_instability)]
let input_rlibs = cg_results
.crate_info
.used_crate_source
.values()
.filter_map(|csource| csource.rlib.as_ref())
.map(|(path, _)| path);
.items()
.filter_map(|(_, csource)| csource.rlib.as_ref())
.map(|(path, _)| path)
.into_sorted_stable_ord();
for input_rlib in input_rlibs {
debug!(?input_rlib);
package.add_input_object(input_rlib)?;
@ -2456,7 +2452,7 @@ fn add_native_libs_from_crate(
codegen_results: &CodegenResults,
tmpdir: &Path,
search_paths: &SearchPaths,
bundled_libs: &FxHashSet<Symbol>,
bundled_libs: &FxIndexSet<Symbol>,
cnum: CrateNum,
link_static: bool,
link_dynamic: bool,
@ -2777,7 +2773,7 @@ fn add_static_crate<'a>(
codegen_results: &CodegenResults,
tmpdir: &Path,
cnum: CrateNum,
bundled_lib_file_names: &FxHashSet<Symbol>,
bundled_lib_file_names: &FxIndexSet<Symbol>,
) {
let src = &codegen_results.crate_info.used_crate_source[&cnum];
let cratepath = &src.rlib.as_ref().unwrap().0;

4
compiler/rustc_codegen_ssa/src/back/write.rs
View File

@ -1001,7 +1001,7 @@ pub struct CguMessage;
struct Diagnostic {
msgs: Vec<(DiagnosticMessage, Style)>,
args: FxHashMap<DiagnosticArgName, DiagnosticArgValue>,
args: FxIndexMap<DiagnosticArgName, DiagnosticArgValue>,
code: Option<ErrCode>,
lvl: Level,
}
@ -1813,7 +1813,7 @@ impl Translate for SharedEmitter {
impl Emitter for SharedEmitter {
fn emit_diagnostic(&mut self, diag: rustc_errors::Diagnostic) {
let args: FxHashMap<DiagnosticArgName, DiagnosticArgValue> =
let args: FxIndexMap<DiagnosticArgName, DiagnosticArgValue> =
diag.args().map(|(name, arg)| (name.clone(), arg.clone())).collect();
drop(self.sender.send(SharedEmitterMessage::Diagnostic(Diagnostic {
msgs: diag.messages.clone(),

15
compiler/rustc_codegen_ssa/src/base.rs
View File

@ -16,9 +16,10 @@ use crate::{CachedModuleCodegen, CompiledModule, CrateInfo, MemFlags, ModuleCode
use rustc_ast::expand::allocator::{global_fn_name, AllocatorKind, ALLOCATOR_METHODS};
use rustc_attr as attr;
use rustc_data_structures::fx::{FxHashMap, FxHashSet};
use rustc_data_structures::fx::{FxHashMap, FxIndexSet};
use rustc_data_structures::profiling::{get_resident_set_size, print_time_passes_entry};
use rustc_data_structures::sync::par_map;
use rustc_data_structures::unord::UnordMap;
use rustc_hir as hir;
use rustc_hir::def_id::{DefId, LOCAL_CRATE};
use rustc_hir::lang_items::LangItem;
@ -851,6 +852,8 @@ impl CrateInfo {
// `compiler_builtins` are always placed last to ensure that they're linked correctly.
used_crates.extend(compiler_builtins);
let crates = tcx.crates(());
let n_crates = crates.len();
let mut info = CrateInfo {
target_cpu,
crate_types,
@ -862,19 +865,15 @@ impl CrateInfo {
is_no_builtins: Default::default(),
native_libraries: Default::default(),
used_libraries: tcx.native_libraries(LOCAL_CRATE).iter().map(Into::into).collect(),
crate_name: Default::default(),
crate_name: UnordMap::with_capacity(n_crates),
used_crates,
used_crate_source: Default::default(),
used_crate_source: UnordMap::with_capacity(n_crates),
dependency_formats: tcx.dependency_formats(()).clone(),
windows_subsystem,
natvis_debugger_visualizers: Default::default(),
};
let crates = tcx.crates(());
let n_crates = crates.len();
info.native_libraries.reserve(n_crates);
info.crate_name.reserve(n_crates);
info.used_crate_source.reserve(n_crates);
for &cnum in crates.iter() {
info.native_libraries
@ -901,7 +900,7 @@ impl CrateInfo {
// by the compiler, but that's ok because all this stuff is unstable anyway.
let target = &tcx.sess.target;
if !are_upstream_rust_objects_already_included(tcx.sess) {
let missing_weak_lang_items: FxHashSet<Symbol> = info
let missing_weak_lang_items: FxIndexSet<Symbol> = info
.used_crates
.iter()
.flat_map(|&cnum| tcx.missing_lang_items(cnum))

14
compiler/rustc_codegen_ssa/src/lib.rs
View File

@ -24,8 +24,10 @@ extern crate tracing;
extern crate rustc_middle;
use rustc_ast as ast;
use rustc_data_structures::fx::{FxHashMap, FxHashSet};
use rustc_data_structures::fx::FxHashSet;
use rustc_data_structures::fx::FxIndexMap;
use rustc_data_structures::sync::Lrc;
use rustc_data_structures::unord::UnordMap;
use rustc_hir::def_id::CrateNum;
use rustc_middle::dep_graph::WorkProduct;
use rustc_middle::middle::debugger_visualizer::DebuggerVisualizerFile;
@ -152,16 +154,16 @@ impl From<&cstore::NativeLib> for NativeLib {
pub struct CrateInfo {
pub target_cpu: String,
pub crate_types: Vec<CrateType>,
pub exported_symbols: FxHashMap<CrateType, Vec<String>>,
pub linked_symbols: FxHashMap<CrateType, Vec<(String, SymbolExportKind)>>,
pub exported_symbols: UnordMap<CrateType, Vec<String>>,
pub linked_symbols: FxIndexMap<CrateType, Vec<(String, SymbolExportKind)>>,
pub local_crate_name: Symbol,
pub compiler_builtins: Option<CrateNum>,
pub profiler_runtime: Option<CrateNum>,
pub is_no_builtins: FxHashSet<CrateNum>,
pub native_libraries: FxHashMap<CrateNum, Vec<NativeLib>>,
pub crate_name: FxHashMap<CrateNum, Symbol>,
pub native_libraries: FxIndexMap<CrateNum, Vec<NativeLib>>,
pub crate_name: UnordMap<CrateNum, Symbol>,
pub used_libraries: Vec<NativeLib>,
pub used_crate_source: FxHashMap<CrateNum, Lrc<CrateSource>>,
pub used_crate_source: UnordMap<CrateNum, Lrc<CrateSource>>,
pub used_crates: Vec<CrateNum>,
pub dependency_formats: Lrc<Dependencies>,
pub windows_subsystem: Option<String>,

10
compiler/rustc_const_eval/src/interpret/memory.rs
View File

@ -13,7 +13,7 @@ use std::fmt;
use std::ptr;
use rustc_ast::Mutability;
use rustc_data_structures::fx::{FxHashMap, FxHashSet};
use rustc_data_structures::fx::{FxHashSet, FxIndexMap};
use rustc_middle::mir::display_allocation;
use rustc_middle::ty::{self, Instance, ParamEnv, Ty, TyCtxt};
use rustc_target::abi::{Align, HasDataLayout, Size};
@ -104,13 +104,13 @@ pub struct Memory<'mir, 'tcx, M: Machine<'mir, 'tcx>> {
pub(super) alloc_map: M::MemoryMap,
/// Map for "extra" function pointers.
extra_fn_ptr_map: FxHashMap<AllocId, M::ExtraFnVal>,
extra_fn_ptr_map: FxIndexMap<AllocId, M::ExtraFnVal>,
/// To be able to compare pointers with null, and to check alignment for accesses
/// to ZSTs (where pointers may dangle), we keep track of the size even for allocations
/// that do not exist any more.
// FIXME: this should not be public, but interning currently needs access to it
pub(super) dead_alloc_map: FxHashMap<AllocId, (Size, Align)>,
pub(super) dead_alloc_map: FxIndexMap<AllocId, (Size, Align)>,
}
/// A reference to some allocation that was already bounds-checked for the given region
@ -135,8 +135,8 @@ impl<'mir, 'tcx, M: Machine<'mir, 'tcx>> Memory<'mir, 'tcx, M> {
pub fn new() -> Self {
Memory {
alloc_map: M::MemoryMap::default(),
extra_fn_ptr_map: FxHashMap::default(),
dead_alloc_map: FxHashMap::default(),
extra_fn_ptr_map: FxIndexMap::default(),
dead_alloc_map: FxIndexMap::default(),
}
}

5
compiler/rustc_data_structures/src/unord.rs
View File

@ -524,6 +524,11 @@ impl<K: Eq + Hash, V> UnordMap<K, V> {
UnordItems(self.inner.into_iter())
}
#[inline]
pub fn keys(&self) -> UnordItems<&K, impl Iterator<Item = &K>> {
UnordItems(self.inner.keys())
}
/// Returns the entries of this map in stable sort order (as defined by `ToStableHashKey`).
///
/// The `cache_sort_key` parameter controls if [slice::sort_by_cached_key] or

9
compiler/rustc_errors/src/diagnostic.rs
View File

@ -3,7 +3,7 @@ use crate::{
CodeSuggestion, DiagnosticBuilder, DiagnosticMessage, EmissionGuarantee, ErrCode, Level,
MultiSpan, SubdiagnosticMessage, Substitution, SubstitutionPart, SuggestionStyle,
};
use rustc_data_structures::fx::{FxHashMap, FxIndexMap};
use rustc_data_structures::fx::FxIndexMap;
use rustc_error_messages::fluent_value_from_str_list_sep_by_and;
use rustc_error_messages::FluentValue;
use rustc_lint_defs::{Applicability, LintExpectationId};
@ -105,7 +105,7 @@ pub struct Diagnostic {
pub span: MultiSpan,
pub children: Vec<SubDiagnostic>,
pub suggestions: Result<Vec<CodeSuggestion>, SuggestionsDisabled>,
args: FxHashMap<DiagnosticArgName, DiagnosticArgValue>,
args: FxIndexMap<DiagnosticArgName, DiagnosticArgValue>,
/// This is not used for highlighting or rendering any error message. Rather, it can be used
/// as a sort key to sort a buffer of diagnostics. By default, it is the primary span of
@ -898,9 +898,6 @@ impl Diagnostic {
self
}
// Exact iteration order of diagnostic arguments shouldn't make a difference to output because
// they're only used in interpolation.
#[allow(rustc::potential_query_instability)]
pub fn args(&self) -> impl Iterator<Item = DiagnosticArg<'_>> {
self.args.iter()
}
@ -914,7 +911,7 @@ impl Diagnostic {
self
}
pub fn replace_args(&mut self, args: FxHashMap<DiagnosticArgName, DiagnosticArgValue>) {
pub fn replace_args(&mut self, args: FxIndexMap<DiagnosticArgName, DiagnosticArgValue>) {
self.args = args;
}

4
compiler/rustc_hir_analysis/src/astconv/bounds.rs
View File

@ -1,4 +1,4 @@
use rustc_data_structures::fx::FxHashMap;
use rustc_data_structures::fx::FxIndexMap;
use rustc_errors::{codes::*, struct_span_code_err};
use rustc_hir as hir;
use rustc_hir::def::{DefKind, Res};
@ -241,7 +241,7 @@ impl<'tcx> dyn AstConv<'tcx> + '_ {
binding: &ConvertedBinding<'_, 'tcx>,
bounds: &mut Bounds<'tcx>,
speculative: bool,
dup_bindings: &mut FxHashMap<DefId, Span>,
dup_bindings: &mut FxIndexMap<DefId, Span>,
path_span: Span,
only_self_bounds: OnlySelfBounds,
) -> Result<(), ErrorGuaranteed> {

4
compiler/rustc_hir_analysis/src/astconv/errors.rs
View File

@ -5,7 +5,7 @@ use crate::errors::{
};
use crate::fluent_generated as fluent;
use crate::traits::error_reporting::report_object_safety_error;
use rustc_data_structures::fx::{FxHashMap, FxIndexMap, FxIndexSet};
use rustc_data_structures::fx::{FxIndexMap, FxIndexSet};
use rustc_data_structures::sorted_map::SortedMap;
use rustc_data_structures::unord::UnordMap;
use rustc_errors::{
@ -806,7 +806,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o {
if suggestions.len() != 1 || already_has_generics_args_suggestion {
// We don't need this label if there's an inline suggestion, show otherwise.
for (span, assoc_items) in &associated_types {
let mut names: FxHashMap<_, usize> = FxHashMap::default();
let mut names: FxIndexMap<_, usize> = FxIndexMap::default();
for item in assoc_items {
types_count += 1;
*names.entry(item.name).or_insert(0) += 1;

4
compiler/rustc_hir_analysis/src/astconv/mod.rs
View File

@ -16,7 +16,7 @@ use crate::errors::AmbiguousLifetimeBound;
use crate::middle::resolve_bound_vars as rbv;
use crate::require_c_abi_if_c_variadic;
use rustc_ast::TraitObjectSyntax;
use rustc_data_structures::fx::{FxHashMap, FxHashSet};
use rustc_data_structures::fx::{FxHashSet, FxIndexMap};
use rustc_errors::{
codes::*, struct_span_code_err, Applicability, Diagnostic, DiagnosticBuilder, ErrorGuaranteed,
FatalError, MultiSpan,
@ -752,7 +752,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o {
debug!(?poly_trait_ref, ?assoc_bindings);
bounds.push_trait_bound(tcx, poly_trait_ref, span, polarity);
let mut dup_bindings = FxHashMap::default();
let mut dup_bindings = FxIndexMap::default();
for binding in &assoc_bindings {
// Don't register additional associated type bounds for negative bounds,
// since we should have emitten an error for them earlier, and they will

2
compiler/rustc_hir_analysis/src/check/check.rs
View File

@ -1367,7 +1367,7 @@ fn check_type_alias_type_params_are_used<'tcx>(tcx: TyCtxt<'tcx>, def_id: LocalD
// `Sized` bounds. If they came last for example, this would break `Trait + /*elab*/Sized`
// since it would overwrite the span of the user-written bound. This could be fixed by
// folding the spans with `Span::to` which requires a bit of effort I think.
.collect::<FxHashMap<_, _>>()
.collect::<FxIndexMap<_, _>>()
});
let mut params_used = BitSet::new_empty(generics.params.len());

14
compiler/rustc_hir_analysis/src/check/compare_impl_item.rs
View File

@ -1,7 +1,7 @@
use super::potentially_plural_count;
use crate::errors::{LifetimesOrBoundsMismatchOnTrait, MethodShouldReturnFuture};
use hir::def_id::{DefId, DefIdMap, LocalDefId};
use rustc_data_structures::fx::{FxHashMap, FxHashSet, FxIndexSet};
use rustc_data_structures::fx::{FxHashSet, FxIndexMap, FxIndexSet};
use rustc_errors::{codes::*, pluralize, struct_span_code_err, Applicability, ErrorGuaranteed};
use rustc_hir as hir;
use rustc_hir::def::{DefKind, Res};
@ -392,7 +392,7 @@ fn compare_method_predicate_entailment<'tcx>(
struct RemapLateBound<'a, 'tcx> {
tcx: TyCtxt<'tcx>,
mapping: &'a FxHashMap<ty::BoundRegionKind, ty::BoundRegionKind>,
mapping: &'a FxIndexMap<ty::BoundRegionKind, ty::BoundRegionKind>,
}
impl<'tcx> TypeFolder<TyCtxt<'tcx>> for RemapLateBound<'_, 'tcx> {
@ -553,7 +553,7 @@ pub(super) fn collect_return_position_impl_trait_in_trait_tys<'tcx>(
// prove below that the hidden types are well formed.
let universe = infcx.create_next_universe();
let mut idx = 0;
let mapping: FxHashMap<_, _> = collector
let mapping: FxIndexMap<_, _> = collector
.types
.iter()
.map(|(_, &(ty, _))| {
@ -690,7 +690,7 @@ pub(super) fn collect_return_position_impl_trait_in_trait_tys<'tcx>(
// contains `def_id`'s early-bound regions.
let id_args = GenericArgs::identity_for_item(tcx, def_id);
debug!(?id_args, ?args);
let map: FxHashMap<_, _> = std::iter::zip(args, id_args)
let map: FxIndexMap<_, _> = std::iter::zip(args, id_args)
.skip(tcx.generics_of(trait_m.def_id).count())
.filter_map(|(a, b)| Some((a.as_region()?, b.as_region()?)))
.collect();
@ -766,7 +766,7 @@ pub(super) fn collect_return_position_impl_trait_in_trait_tys<'tcx>(
struct ImplTraitInTraitCollector<'a, 'tcx> {
ocx: &'a ObligationCtxt<'a, 'tcx>,
types: FxHashMap<DefId, (Ty<'tcx>, ty::GenericArgsRef<'tcx>)>,
types: FxIndexMap<DefId, (Ty<'tcx>, ty::GenericArgsRef<'tcx>)>,
span: Span,
param_env: ty::ParamEnv<'tcx>,
body_id: LocalDefId,
@ -779,7 +779,7 @@ impl<'a, 'tcx> ImplTraitInTraitCollector<'a, 'tcx> {
param_env: ty::ParamEnv<'tcx>,
body_id: LocalDefId,
) -> Self {
ImplTraitInTraitCollector { ocx, types: FxHashMap::default(), span, param_env, body_id }
ImplTraitInTraitCollector { ocx, types: FxIndexMap::default(), span, param_env, body_id }
}
}
@ -838,7 +838,7 @@ impl<'tcx> TypeFolder<TyCtxt<'tcx>> for ImplTraitInTraitCollector<'_, 'tcx> {
struct RemapHiddenTyRegions<'tcx> {
tcx: TyCtxt<'tcx>,
map: FxHashMap<ty::Region<'tcx>, ty::Region<'tcx>>,
map: FxIndexMap<ty::Region<'tcx>, ty::Region<'tcx>>,
num_trait_args: usize,
num_impl_args: usize,
def_id: DefId,

4
compiler/rustc_hir_analysis/src/check/mod.rs
View File

@ -76,7 +76,7 @@ pub use check::check_abi;
use std::num::NonZeroU32;
use rustc_data_structures::fx::{FxHashMap, FxHashSet};
use rustc_data_structures::fx::{FxHashSet, FxIndexMap};
use rustc_errors::ErrorGuaranteed;
use rustc_errors::{pluralize, struct_span_code_err, Diagnostic, DiagnosticBuilder};
use rustc_hir::def_id::{DefId, LocalDefId};
@ -307,7 +307,7 @@ fn bounds_from_generic_predicates<'tcx>(
tcx: TyCtxt<'tcx>,
predicates: impl IntoIterator<Item = (ty::Clause<'tcx>, Span)>,
) -> (String, String) {
let mut types: FxHashMap<Ty<'tcx>, Vec<DefId>> = FxHashMap::default();
let mut types: FxIndexMap<Ty<'tcx>, Vec<DefId>> = FxIndexMap::default();
let mut projections = vec![];
for (predicate, _) in predicates {
debug!("predicate {:?}", predicate);

14
compiler/rustc_hir_analysis/src/coherence/inherent_impls_overlap.rs
View File

@ -1,4 +1,5 @@
use rustc_data_structures::fx::{FxHashMap, FxHashSet};
use rustc_data_structures::fx::IndexEntry;
use rustc_data_structures::fx::{FxHashSet, FxIndexMap};
use rustc_errors::{codes::*, struct_span_code_err};
use rustc_hir as hir;
use rustc_hir::def::DefKind;
@ -9,7 +10,6 @@ use rustc_middle::ty::{self, TyCtxt};
use rustc_span::{ErrorGuaranteed, Symbol};
use rustc_trait_selection::traits::{self, SkipLeakCheck};
use smallvec::SmallVec;
use std::collections::hash_map::Entry;
pub fn crate_inherent_impls_overlap_check(tcx: TyCtxt<'_>, (): ()) -> Result<(), ErrorGuaranteed> {
let mut inherent_overlap_checker = InherentOverlapChecker { tcx };
@ -63,7 +63,7 @@ impl<'tcx> InherentOverlapChecker<'tcx> {
fn check_for_duplicate_items_in_impl(&self, impl_: DefId) -> Result<(), ErrorGuaranteed> {
let impl_items = self.tcx.associated_items(impl_);
let mut seen_items = FxHashMap::default();
let mut seen_items = FxIndexMap::default();
let mut res = Ok(());
for impl_item in impl_items.in_definition_order() {
let span = self.tcx.def_span(impl_item.def_id);
@ -71,7 +71,7 @@ impl<'tcx> InherentOverlapChecker<'tcx> {
let norm_ident = ident.normalize_to_macros_2_0();
match seen_items.entry(norm_ident) {
Entry::Occupied(entry) => {
IndexEntry::Occupied(entry) => {
let former = entry.get();
res = Err(struct_span_code_err!(
self.tcx.dcx(),
@ -84,7 +84,7 @@ impl<'tcx> InherentOverlapChecker<'tcx> {
.with_span_label(*former, format!("other definition for `{ident}`"))
.emit());
}
Entry::Vacant(entry) => {
IndexEntry::Vacant(entry) => {
entry.insert(span);
}
}
@ -216,7 +216,7 @@ impl<'tcx> InherentOverlapChecker<'tcx> {
}
let mut connected_regions: IndexVec<RegionId, _> = Default::default();
// Reverse map from the Symbol to the connected region id.
let mut connected_region_ids = FxHashMap::default();
let mut connected_region_ids = FxIndexMap::default();
for (i, &(&_impl_def_id, impl_items)) in impls_items.iter().enumerate() {
if impl_items.len() == 0 {
@ -228,7 +228,7 @@ impl<'tcx> InherentOverlapChecker<'tcx> {
.in_definition_order()
.filter_map(|item| {
let entry = connected_region_ids.entry(item.name);
if let Entry::Occupied(e) = &entry {
if let IndexEntry::Occupied(e) = &entry {
Some(*e.get())
} else {
idents_to_add.push(item.name);

6
compiler/rustc_hir_analysis/src/collect.rs
View File

@ -15,7 +15,7 @@
//! crate as a kind of pass. This should eventually be factored away.
use rustc_data_structures::captures::Captures;
use rustc_data_structures::fx::{FxHashMap, FxHashSet};
use rustc_data_structures::fx::{FxHashSet, FxIndexMap};
use rustc_data_structures::unord::UnordMap;
use rustc_errors::{Applicability, DiagnosticBuilder, ErrorGuaranteed, StashKey};
use rustc_hir as hir;
@ -834,12 +834,12 @@ impl From<NestedSpan> for FieldDeclSpan {
struct FieldUniquenessCheckContext<'tcx> {
tcx: TyCtxt<'tcx>,
seen_fields: FxHashMap<Ident, FieldDeclSpan>,
seen_fields: FxIndexMap<Ident, FieldDeclSpan>,
}
impl<'tcx> FieldUniquenessCheckContext<'tcx> {
fn new(tcx: TyCtxt<'tcx>) -> Self {
Self { tcx, seen_fields: FxHashMap::default() }
Self { tcx, seen_fields: FxIndexMap::default() }
}
/// Check if a given field `ident` declared at `field_decl` has been declared elsewhere before.

6
compiler/rustc_hir_analysis/src/outlives/explicit.rs
View File

@ -1,4 +1,4 @@
use rustc_data_structures::fx::FxHashMap;
use rustc_data_structures::fx::FxIndexMap;
use rustc_hir::def_id::DefId;
use rustc_middle::ty::{self, OutlivesPredicate, TyCtxt};
@ -6,12 +6,12 @@ use super::utils::*;
#[derive(Debug)]
pub struct ExplicitPredicatesMap<'tcx> {
map: FxHashMap<DefId, ty::EarlyBinder<RequiredPredicates<'tcx>>>,
map: FxIndexMap<DefId, ty::EarlyBinder<RequiredPredicates<'tcx>>>,
}
impl<'tcx> ExplicitPredicatesMap<'tcx> {
pub fn new() -> ExplicitPredicatesMap<'tcx> {
ExplicitPredicatesMap { map: FxHashMap::default() }
ExplicitPredicatesMap { map: FxIndexMap::default() }
}
pub(crate) fn explicit_predicates_of(

10
compiler/rustc_hir_analysis/src/outlives/implicit_infer.rs
View File

@ -1,4 +1,4 @@
use rustc_data_structures::fx::FxHashMap;
use rustc_data_structures::fx::FxIndexMap;
use rustc_hir::def::DefKind;
use rustc_hir::def_id::DefId;
use rustc_middle::ty::{self, Ty, TyCtxt};
@ -15,12 +15,12 @@ use super::utils::*;
/// now be filled with inferred predicates.
pub(super) fn infer_predicates(
tcx: TyCtxt<'_>,
) -> FxHashMap<DefId, ty::EarlyBinder<RequiredPredicates<'_>>> {
) -> FxIndexMap<DefId, ty::EarlyBinder<RequiredPredicates<'_>>> {
debug!("infer_predicates");
let mut explicit_map = ExplicitPredicatesMap::new();
let mut global_inferred_outlives = FxHashMap::default();
let mut global_inferred_outlives = FxIndexMap::default();
// If new predicates were added then we need to re-calculate
// all crates since there could be new implied predicates.
@ -101,7 +101,7 @@ fn insert_required_predicates_to_be_wf<'tcx>(
tcx: TyCtxt<'tcx>,
ty: Ty<'tcx>,
span: Span,
global_inferred_outlives: &FxHashMap<DefId, ty::EarlyBinder<RequiredPredicates<'tcx>>>,
global_inferred_outlives: &FxIndexMap<DefId, ty::EarlyBinder<RequiredPredicates<'tcx>>>,
required_predicates: &mut RequiredPredicates<'tcx>,
explicit_map: &mut ExplicitPredicatesMap<'tcx>,
) {
@ -322,7 +322,7 @@ fn check_inferred_predicates<'tcx>(
tcx: TyCtxt<'tcx>,
def_id: DefId,
args: ty::GenericArgsRef<'tcx>,
global_inferred_outlives: &FxHashMap<DefId, ty::EarlyBinder<RequiredPredicates<'tcx>>>,
global_inferred_outlives: &FxIndexMap<DefId, ty::EarlyBinder<RequiredPredicates<'tcx>>>,
required_predicates: &mut RequiredPredicates<'tcx>,
) {
// Load the current set of inferred and explicit predicates from `global_inferred_outlives`

12
compiler/rustc_hir_typeck/src/expr.rs
View File

@ -24,6 +24,7 @@ use crate::{
use rustc_ast as ast;
use rustc_data_structures::fx::{FxHashMap, FxHashSet};
use rustc_data_structures::stack::ensure_sufficient_stack;
use rustc_data_structures::unord::UnordMap;
use rustc_errors::{
codes::*, pluralize, struct_span_code_err, AddToDiagnostic, Applicability, Diagnostic,
DiagnosticBuilder, ErrCode, ErrorGuaranteed, StashKey,
@ -1709,7 +1710,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
.fields
.iter_enumerated()
.map(|(i, field)| (field.ident(tcx).normalize_to_macros_2_0(), (i, field)))
.collect::<FxHashMap<_, _>>();
.collect::<UnordMap<_, _>>();
let mut seen_fields = FxHashMap::default();
@ -1954,18 +1955,15 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
&self,
adt_ty: Ty<'tcx>,
span: Span,
remaining_fields: FxHashMap<Ident, (FieldIdx, &ty::FieldDef)>,
remaining_fields: UnordMap<Ident, (FieldIdx, &ty::FieldDef)>,
variant: &'tcx ty::VariantDef,
ast_fields: &'tcx [hir::ExprField<'tcx>],
args: GenericArgsRef<'tcx>,
) {
let len = remaining_fields.len();
#[allow(rustc::potential_query_instability)]
let mut displayable_field_names: Vec<&str> =
remaining_fields.keys().map(|ident| ident.as_str()).collect();
// sorting &str primitives here, sort_unstable is ok
displayable_field_names.sort_unstable();
let displayable_field_names: Vec<&str> =
remaining_fields.items().map(|(ident, _)| ident.as_str()).into_sorted_stable_ord();
let mut truncated_fields_error = String::new();
let remaining_fields_names = match &displayable_field_names[..] {

6
compiler/rustc_interface/src/passes.rs
View File

@ -306,11 +306,7 @@ fn early_lint_checks(tcx: TyCtxt<'_>, (): ()) {
// Gate identifiers containing invalid Unicode codepoints that were recovered during lexing.
sess.parse_sess.bad_unicode_identifiers.with_lock(|identifiers| {
// We will soon sort, so the initial order does not matter.
#[allow(rustc::potential_query_instability)]
let mut identifiers: Vec<_> = identifiers.drain().collect();
identifiers.sort_by_key(|&(key, _)| key);
for (ident, mut spans) in identifiers.into_iter() {
for (ident, mut spans) in identifiers.drain(..) {
spans.sort();
if ident == sym::ferris {
let first_span = spans[0];

22
compiler/rustc_lint/src/context.rs
View File

@ -18,8 +18,9 @@ use self::TargetLint::*;
use crate::levels::LintLevelsBuilder;
use crate::passes::{EarlyLintPassObject, LateLintPassObject};
use rustc_data_structures::fx::FxHashMap;
use rustc_data_structures::fx::FxIndexMap;
use rustc_data_structures::sync;
use rustc_data_structures::unord::UnordMap;
use rustc_errors::{DecorateLint, DiagnosticBuilder, DiagnosticMessage, MultiSpan};
use rustc_feature::Features;
use rustc_hir as hir;
@ -69,10 +70,10 @@ pub struct LintStore {
pub late_module_passes: Vec<Box<LateLintPassFactory>>,
/// Lints indexed by name.
by_name: FxHashMap<String, TargetLint>,
by_name: UnordMap<String, TargetLint>,
/// Map of registered lint groups to what lints they expand to.
lint_groups: FxHashMap<&'static str, LintGroup>,
lint_groups: FxIndexMap<&'static str, LintGroup>,
}
impl LintStoreMarker for LintStore {}
@ -152,8 +153,6 @@ impl LintStore {
pub fn get_lint_groups<'t>(
&'t self,
) -> impl Iterator<Item = (&'static str, Vec<LintId>, bool)> + 't {
// This function is not used in a way which observes the order of lints.
#[allow(rustc::potential_query_instability)]
self.lint_groups
.iter()
.filter(|(_, LintGroup { depr, .. })| {
@ -326,9 +325,11 @@ impl LintStore {
/// True if this symbol represents a lint group name.
pub fn is_lint_group(&self, lint_name: Symbol) -> bool {
#[allow(rustc::potential_query_instability)]
let lint_groups = self.lint_groups.keys().collect::<Vec<_>>();
debug!("is_lint_group(lint_name={:?}, lint_groups={:?})", lint_name, lint_groups);
debug!(
"is_lint_group(lint_name={:?}, lint_groups={:?})",
lint_name,
self.lint_groups.keys().collect::<Vec<_>>()
);
let lint_name_str = lint_name.as_str();
self.lint_groups.contains_key(lint_name_str) || {
let warnings_name_str = crate::WARNINGS.name_lower();
@ -372,12 +373,9 @@ impl LintStore {
None => {
// 1. The tool is currently running, so this lint really doesn't exist.
// FIXME: should this handle tools that never register a lint, like rustfmt?
#[allow(rustc::potential_query_instability)]
let lints = self.by_name.keys().collect::<Vec<_>>();
debug!("lints={:?}", lints);
debug!("lints={:?}", self.by_name);
let tool_prefix = format!("{tool_name}::");
#[allow(rustc::potential_query_instability)]
return if self.by_name.keys().any(|lint| lint.starts_with(&tool_prefix)) {
self.no_lint_suggestion(&complete_name, tool_name.as_str())
} else {

1
compiler/rustc_lint/src/non_ascii_idents.rs
View File

@ -179,7 +179,6 @@ impl EarlyLintPass for NonAsciiIdents {
#[allow(rustc::potential_query_instability)]
let mut symbols: Vec<_> = symbols.iter().collect();
symbols.sort_by_key(|k| k.1);
for (symbol, &sp) in symbols.iter() {
let symbol_str = symbol.as_str();
if symbol_str.is_ascii() {

9
compiler/rustc_middle/src/mir/mono.rs
View File

@ -4,6 +4,7 @@ use rustc_attr::InlineAttr;
use rustc_data_structures::base_n;
use rustc_data_structures::fingerprint::Fingerprint;
use rustc_data_structures::fx::FxHashMap;
use rustc_data_structures::fx::FxIndexMap;
use rustc_data_structures::stable_hasher::{Hash128, HashStable, StableHasher};
use rustc_hir::def_id::{CrateNum, DefId, LOCAL_CRATE};
use rustc_hir::ItemId;
@ -241,7 +242,7 @@ pub struct CodegenUnit<'tcx> {
/// contain something unique to this crate (e.g., a module path)
/// as well as the crate name and disambiguator.
name: Symbol,
items: FxHashMap<MonoItem<'tcx>, MonoItemData>,
items: FxIndexMap<MonoItem<'tcx>, MonoItemData>,
size_estimate: usize,
primary: bool,
/// True if this is CGU is used to hold code coverage information for dead code,
@ -316,13 +317,11 @@ impl<'tcx> CodegenUnit<'tcx> {
self.primary = true;
}
/// The order of these items is non-determinstic.
pub fn items(&self) -> &FxHashMap<MonoItem<'tcx>, MonoItemData> {
pub fn items(&self) -> &FxIndexMap<MonoItem<'tcx>, MonoItemData> {
&self.items
}
/// The order of these items is non-determinstic.
pub fn items_mut(&mut self) -> &mut FxHashMap<MonoItem<'tcx>, MonoItemData> {
pub fn items_mut(&mut self) -> &mut FxIndexMap<MonoItem<'tcx>, MonoItemData> {
&mut self.items
}

4
compiler/rustc_monomorphize/src/partitioning.rs
View File

@ -368,7 +368,7 @@ fn merge_codegen_units<'tcx>(
// Move the items from `cgu_src` to `cgu_dst`. Some of them may be
// duplicate inlined items, in which case the destination CGU is
// unaffected. Recalculate size estimates afterwards.
cgu_dst.items_mut().extend(cgu_src.items_mut().drain());
cgu_dst.items_mut().extend(cgu_src.items_mut().drain(..));
cgu_dst.compute_size_estimate();
// Record that `cgu_dst` now contains all the stuff that was in
@ -407,7 +407,7 @@ fn merge_codegen_units<'tcx>(
// Move the items from `smallest` to `second_smallest`. Some of them
// may be duplicate inlined items, in which case the destination CGU is
// unaffected. Recalculate size estimates afterwards.
second_smallest.items_mut().extend(smallest.items_mut().drain());
second_smallest.items_mut().extend(smallest.items_mut().drain(..));
second_smallest.compute_size_estimate();
// Don't update `cgu_contents`, that's only for incremental builds.

12
compiler/rustc_session/src/parse.rs
View File

@ -11,7 +11,7 @@ use crate::lint::{
};
use crate::Session;
use rustc_ast::node_id::NodeId;
use rustc_data_structures::fx::{FxHashMap, FxHashSet};
use rustc_data_structures::fx::{FxHashMap, FxIndexMap, FxIndexSet};
use rustc_data_structures::sync::{AppendOnlyVec, Lock, Lrc};
use rustc_errors::{emitter::SilentEmitter, DiagCtxt};
use rustc_errors::{
@ -205,19 +205,19 @@ pub struct ParseSess {
/// Places where identifiers that contain invalid Unicode codepoints but that look like they
/// should be. Useful to avoid bad tokenization when encountering emoji. We group them to
/// provide a single error per unique incorrect identifier.
pub bad_unicode_identifiers: Lock<FxHashMap<Symbol, Vec<Span>>>,
pub bad_unicode_identifiers: Lock<FxIndexMap<Symbol, Vec<Span>>>,
source_map: Lrc<SourceMap>,
pub buffered_lints: Lock<Vec<BufferedEarlyLint>>,
/// Contains the spans of block expressions that could have been incomplete based on the
/// operation token that followed it, but that the parser cannot identify without further
/// analysis.
pub ambiguous_block_expr_parse: Lock<FxHashMap<Span, Span>>,
pub ambiguous_block_expr_parse: Lock<FxIndexMap<Span, Span>>,
pub gated_spans: GatedSpans,
pub symbol_gallery: SymbolGallery,
/// Environment variables accessed during the build and their values when they exist.
pub env_depinfo: Lock<FxHashSet<(Symbol, Option<Symbol>)>>,
pub env_depinfo: Lock<FxIndexSet<(Symbol, Option<Symbol>)>>,
/// File paths accessed during the build.
pub file_depinfo: Lock<FxHashSet<Symbol>>,
pub file_depinfo: Lock<FxIndexSet<Symbol>>,
/// Whether cfg(version) should treat the current release as incomplete
pub assume_incomplete_release: bool,
/// Spans passed to `proc_macro::quote_span`. Each span has a numerical
@ -247,7 +247,7 @@ impl ParseSess {
bad_unicode_identifiers: Lock::new(Default::default()),
source_map,
buffered_lints: Lock::new(vec![]),
ambiguous_block_expr_parse: Lock::new(FxHashMap::default()),
ambiguous_block_expr_parse: Lock::new(Default::default()),
gated_spans: GatedSpans::default(),
symbol_gallery: SymbolGallery::default(),
env_depinfo: Default::default(),

16
tests/ui/parser/emoji-identifiers.stderr
View File

@ -9,14 +9,6 @@ help: Unicode character '➖' (Heavy Minus Sign) looks like '-' (Minus/Hyphen),
LL | let _ = i_like_to_😄_a_lot() - 4;
| ~
error: Ferris cannot be used as an identifier
--> $DIR/emoji-identifiers.rs:17:9
|
LL | let 🦀 = 1;
| ^^ help: try using their name instead: `ferris`
LL | dbg!(🦀);
| ^^
error: identifiers cannot contain emoji: `ABig👩👩👧👧Family`
--> $DIR/emoji-identifiers.rs:1:8
|
@ -64,6 +56,14 @@ error: identifiers cannot contain emoji: `i_like_to_😄_a_lot`
LL | let _ = i_like_to_😄_a_lot() ➖ 4;
| ^^^^^^^^^^^^^^^^^^
error: Ferris cannot be used as an identifier
--> $DIR/emoji-identifiers.rs:17:9
|
LL | let 🦀 = 1;
| ^^ help: try using their name instead: `ferris`
LL | dbg!(🦀);
| ^^
error[E0599]: no function or associated item named `full_of✨` found for struct `👀` in the current scope
--> $DIR/emoji-identifiers.rs:9:8
|