Add inlining attributes for query system functions

compiler/rustc_middle/src/ty/context.rs

@@ -1011,6 +1011,7 @@ impl<'tcx> TyCtxt<'tcx> {
 
     /// Note that this is *untracked* and should only be used within the query
     /// system if the result is otherwise tracked through queries
+    #[inline]
     pub fn cstore_untracked(self) -> MappedReadGuard<'tcx, CrateStoreDyn> {
         ReadGuard::map(self.untracked.cstore.read(), |c| &**c)
     }

compiler/rustc_query_impl/src/plumbing.rs

@@ -124,9 +124,7 @@ impl QueryContext for QueryCtxt<'_> {
             };
 
             // Use the `ImplicitCtxt` while we execute the query.
-            tls::enter_context(&new_icx, || {
-                rustc_data_structures::stack::ensure_sufficient_stack(compute)
-            })
+            tls::enter_context(&new_icx, compute)
         })
     }
 

compiler/rustc_query_system/src/dep_graph/graph.rs

@@ -279,6 +279,7 @@ impl<K: DepKind> DepGraph<K> {
     ///   `arg` parameter.
     ///
     /// [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/incremental-compilation.html
+    #[inline(always)]
     pub fn with_task<Ctxt: HasDepContext<DepKind = K>, A: Debug, R>(
         &self,
         key: DepNode<K>,
@@ -298,6 +299,7 @@ impl<K: DepKind> DepGraph<K> {
         }
     }
 
+    #[inline(always)]
     fn with_task_impl<Ctxt: HasDepContext<DepKind = K>, A: Debug, R>(
         &self,
         key: DepNode<K>,
@@ -598,6 +600,7 @@ impl<K: DepKind> DepGraph<K> {
         self.data.is_some() && self.dep_node_index_of_opt(dep_node).is_some()
     }
 
+    #[inline]
     pub fn prev_fingerprint_of(&self, dep_node: &DepNode<K>) -> Option<Fingerprint> {
         self.data.as_ref().unwrap().previous.fingerprint_of(dep_node)
     }
@@ -1127,6 +1130,7 @@ impl<K: DepKind> CurrentDepGraph<K> {
 
     /// Writes the node to the current dep-graph and allocates a `DepNodeIndex` for it.
     /// Assumes that this is a node that has no equivalent in the previous dep-graph.
+    #[inline(always)]
     fn intern_new_node(
         &self,
         profiler: &SelfProfilerRef,
@@ -1365,6 +1369,7 @@ impl DepNodeColorMap {
         }
     }
 
+    #[inline]
     fn insert(&self, index: SerializedDepNodeIndex, color: DepNodeColor) {
         self.values[index].store(
             match color {

compiler/rustc_query_system/src/query/plumbing.rs

@@ -15,6 +15,7 @@ use rustc_data_structures::fx::FxHashMap;
 use rustc_data_structures::profiling::TimingGuard;
 #[cfg(parallel_compiler)]
 use rustc_data_structures::sharded::Sharded;
+use rustc_data_structures::stack::ensure_sufficient_stack;
 use rustc_data_structures::sync::Lock;
 use rustc_errors::{DiagnosticBuilder, ErrorGuaranteed, FatalError};
 use rustc_session::Session;
@@ -188,12 +189,12 @@ where
         #[cfg(not(parallel_compiler))]
         let mut state_lock = state.active.lock();
         let lock = &mut *state_lock;
+        let current_job_id = qcx.current_query_job();
 
         match lock.entry(key) {
             Entry::Vacant(entry) => {
                 let id = qcx.next_job_id();
-                let job = qcx.current_query_job();
-                let job = QueryJob::new(id, span, job);
+                let job = QueryJob::new(id, span, current_job_id);
 
                 let key = *entry.key();
                 entry.insert(QueryResult::Started(job));
@@ -212,7 +213,7 @@ where
                         // so we just return the error.
                         return TryGetJob::Cycle(id.find_cycle_in_stack(
                             qcx.try_collect_active_jobs().unwrap(),
-                            &qcx.current_query_job(),
+                            &current_job_id,
                             span,
                         ));
                     }
@@ -230,7 +231,7 @@ where
 
                         // With parallel queries we might just have to wait on some other
                         // thread.
-                        let result = latch.wait_on(qcx.current_query_job(), span);
+                        let result = latch.wait_on(current_job_id, span);
 
                         match result {
                             Ok(()) => TryGetJob::JobCompleted(query_blocked_prof_timer),
@@ -346,10 +347,9 @@ where
     }
 }
 
+#[inline(never)]
 fn try_execute_query<Q, Qcx>(
     qcx: Qcx,
-    state: &QueryState<Q::Key, Qcx::DepKind>,
-    cache: &Q::Cache,
     span: Span,
     key: Q::Key,
     dep_node: Option<DepNode<Qcx::DepKind>>,
@@ -358,9 +358,11 @@ where
     Q: QueryConfig<Qcx>,
     Qcx: QueryContext,
 {
+    let state = Q::query_state(qcx);
     match JobOwner::<'_, Q::Key, Qcx::DepKind>::try_start(&qcx, state, span, key) {
         TryGetJob::NotYetStarted(job) => {
             let (result, dep_node_index) = execute_job::<Q, Qcx>(qcx, key, dep_node, job.id);
+            let cache = Q::query_cache(qcx);
             if Q::FEEDABLE {
                 // We should not compute queries that also got a value via feeding.
                 // This can't happen, as query feeding adds the very dependencies to the fed query
@@ -381,7 +383,7 @@ where
         }
         #[cfg(parallel_compiler)]
         TryGetJob::JobCompleted(query_blocked_prof_timer) => {
-            let Some((v, index)) = cache.lookup(&key) else {
+            let Some((v, index)) = Q::query_cache(qcx).lookup(&key) else {
                 panic!("value must be in cache after waiting")
             };
 
@@ -393,6 +395,7 @@ where
     }
 }
 
+#[inline(always)]
 fn execute_job<Q, Qcx>(
     qcx: Qcx,
     key: Q::Key,
@@ -478,6 +481,7 @@ where
     (result, dep_node_index)
 }
 
+#[inline(always)]
 fn try_load_from_disk_and_cache_in_memory<Q, Qcx>(
     qcx: Qcx,
     key: &Q::Key,
@@ -568,6 +572,7 @@ where
     Some((result, dep_node_index))
 }
 
+#[inline]
 #[instrument(skip(tcx, result, hash_result), level = "debug")]
 pub(crate) fn incremental_verify_ich<Tcx, V: Debug>(
     tcx: Tcx,
@@ -722,6 +727,7 @@ pub enum QueryMode {
     Ensure,
 }
 
+#[inline(always)]
 pub fn get_query<Q, Qcx, D>(qcx: Qcx, span: Span, key: Q::Key, mode: QueryMode) -> Option<Q::Value>
 where
     D: DepKind,
@@ -739,14 +745,8 @@ where
         None
     };
 
-    let (result, dep_node_index) = try_execute_query::<Q, Qcx>(
-        qcx,
-        Q::query_state(qcx),
-        Q::query_cache(qcx),
-        span,
-        key,
-        dep_node,
-    );
+    let (result, dep_node_index) =
+        ensure_sufficient_stack(|| try_execute_query::<Q, Qcx>(qcx, span, key, dep_node));
     if let Some(dep_node_index) = dep_node_index {
         qcx.dep_context().dep_graph().read_index(dep_node_index)
     }
@@ -762,14 +762,12 @@ where
 {
     // We may be concurrently trying both execute and force a query.
     // Ensure that only one of them runs the query.
-    let cache = Q::query_cache(qcx);
-    if let Some((_, index)) = cache.lookup(&key) {
+    if let Some((_, index)) = Q::query_cache(qcx).lookup(&key) {
         qcx.dep_context().profiler().query_cache_hit(index.into());
         return;
     }
 
-    let state = Q::query_state(qcx);
     debug_assert!(!Q::ANON);
 
-    try_execute_query::<Q, _>(qcx, state, cache, DUMMY_SP, key, Some(dep_node));
+    ensure_sufficient_stack(|| try_execute_query::<Q, _>(qcx, DUMMY_SP, key, Some(dep_node)));
 }