Auto merge of #69109 - Zoxc:query-refactor, r=<try>

[WIP] Split query execution into hot and cold paths

Author: bors

src/librustc/dep_graph/graph.rs

@@ -1122,6 +1122,7 @@ impl CurrentDepGraph {
 }
 
 impl DepGraphData {
+    #[inline]
     fn read_index(&self, source: DepNodeIndex) {
         ty::tls::with_context_opt(|icx| {
             let icx = if let Some(icx) = icx { icx } else { return };

src/librustc/ty/context.rs

@@ -1608,7 +1608,7 @@ pub mod tls {
 
     use crate::dep_graph::TaskDeps;
     use crate::ty::query;
-    use rustc_data_structures::sync::{self, Lock, Lrc};
+    use rustc_data_structures::sync::{self, Lock};
     use rustc_data_structures::thin_vec::ThinVec;
     use rustc_data_structures::OnDrop;
     use rustc_errors::Diagnostic;
@@ -1633,7 +1633,7 @@ pub mod tls {
 
         /// The current query job, if any. This is updated by `JobOwner::start` in
         /// `ty::query::plumbing` when executing a query.
-        pub query: Option<Lrc<query::QueryJob<'tcx>>>,
+        pub query: Option<query::QueryJobId>,
 
         /// Where to store diagnostics for the current query job, if any.
         /// This is updated by `JobOwner::start` in `ty::query::plumbing` when executing a query.
@@ -1684,6 +1684,7 @@ pub mod tls {
 
     /// Gets the pointer to the current `ImplicitCtxt`.
     #[cfg(not(parallel_compiler))]
+    #[inline]
     fn get_tlv() -> usize {
         TLV.with(|tlv| tlv.get())
     }