3 files changed, 4 insertions, 0 deletions
diff --git a/compiler/rustc_query_system/src/dep_graph/graph.rs b/compiler/rustc_query_system/src/dep_graph/graph.rs
index 3291717c550..5d9a4d8ce4e 100644
--- a/compiler/rustc_query_system/src/dep_graph/graph.rs
+++ b/compiler/rustc_query_system/src/dep_graph/graph.rs
@@ -59,6 +59,7 @@ pub enum DepNodeColor {
 }
 
 impl DepNodeColor {
+    #[inline]
     pub fn is_green(self) -> bool {
         match self {
             DepNodeColor::Red => false,
diff --git a/compiler/rustc_query_system/src/query/job.rs b/compiler/rustc_query_system/src/query/job.rs
index f1316557c29..9f5779194af 100644
--- a/compiler/rustc_query_system/src/query/job.rs
+++ b/compiler/rustc_query_system/src/query/job.rs
@@ -84,6 +84,7 @@ pub struct QueryJob {
 
 impl QueryJob {
     /// Creates a new query job.
+    #[inline]
     pub fn new(id: QueryJobId, span: Span, parent: Option<QueryJobId>) -> Self {
         QueryJob {
             id,
@@ -106,6 +107,7 @@ impl QueryJob {
     ///
     /// This does nothing for single threaded rustc,
     /// as there are no concurrent jobs which could be waiting on us
+    #[inline]
     pub fn signal_complete(self) {
         #[cfg(parallel_compiler)]
         {
diff --git a/compiler/rustc_query_system/src/query/mod.rs b/compiler/rustc_query_system/src/query/mod.rs
index de64ebb6203..f698a853d1e 100644
--- a/compiler/rustc_query_system/src/query/mod.rs
+++ b/compiler/rustc_query_system/src/query/mod.rs
@@ -81,6 +81,7 @@ pub struct QuerySideEffects {
 }
 
 impl QuerySideEffects {
+    #[inline]
     pub fn is_empty(&self) -> bool {
         let QuerySideEffects { diagnostics } = self;
         diagnostics.is_empty()