Tune inlining

src/librustc/dep_graph/graph.rs

@@ -1122,7 +1122,7 @@ impl CurrentDepGraph {
 }
 
 impl DepGraphData {
-    #[inline]
+    #[inline(never)]
     fn read_index(&self, source: DepNodeIndex) {
         ty::tls::with_context_opt(|icx| {
             let icx = if let Some(icx) = icx { icx } else { return };

src/librustc_data_structures/profiling.rs

@@ -81,6 +81,7 @@
 //!
 //! [mm]: https://github.com/rust-lang/measureme/
 
+use crate::cold_path;
 use crate::fx::FxHashMap;
 
 use std::borrow::Borrow;
@@ -531,9 +532,11 @@ impl<'a> TimingGuard<'a> {
     #[inline]
     pub fn finish_with_query_invocation_id(self, query_invocation_id: QueryInvocationId) {
         if let Some(guard) = self.0 {
-            let event_id = StringId::new_virtual(query_invocation_id.0);
-            let event_id = EventId::from_virtual(event_id);
-            guard.finish_with_override_event_id(event_id);
+            cold_path(|| {
+                let event_id = StringId::new_virtual(query_invocation_id.0);
+                let event_id = EventId::from_virtual(event_id);
+                guard.finish_with_override_event_id(event_id);
+            });
         }
     }
 

src/librustc_data_structures/stable_hasher.rs

@@ -27,6 +27,7 @@ pub trait StableHasherResult: Sized {
 }
 
 impl StableHasher {
+    #[inline]
     pub fn new() -> Self {
         StableHasher { state: SipHasher128::new_with_keys(0, 0) }
     }

src/librustc_session/session.rs

@@ -392,6 +392,7 @@ impl Session {
         );
     }
 
+    #[inline]
     pub fn source_map(&self) -> &source_map::SourceMap {
         self.parse_sess.source_map()
     }