Auto merge of #88880 - cjgillot:no-krate, r=oli-obk

Rework HIR API to make invocations of the hir_crate query harder.

`hir_crate` forces the recomputation of queries that depend on it.

This PR aims at avoiding useless invocations of `hir_crate` by making dependent code go through `tcx.hir()`.

1 files changed, 2 insertions, 4 deletions

diff --git a/compiler/rustc_mir_transform/src/lib.rs b/compiler/rustc_mir_transform/src/lib.rs
index bfd0de85438..b1b31e0784c 100644
--- a/compiler/rustc_mir_transform/src/lib.rs
+++ b/compiler/rustc_mir_transform/src/lib.rs
@@ -133,7 +133,7 @@ fn mir_keys(tcx: TyCtxt<'_>, (): ()) -> FxHashSet<LocalDefId> {
     let mut set = FxHashSet::default();
 
     // All body-owners have MIR associated with them.
-    set.extend(tcx.body_owners());
+    set.extend(tcx.hir().body_owners());
 
     // Additionally, tuple struct/variant constructors have MIR, but
     // they don't have a BodyId, so we need to build them separately.
@@ -160,9 +160,7 @@ fn mir_keys(tcx: TyCtxt<'_>, (): ()) -> FxHashSet<LocalDefId> {
             NestedVisitorMap::None
         }
     }
-    tcx.hir()
-        .krate()
-        .visit_all_item_likes(&mut GatherCtors { tcx, set: &mut set }.as_deep_visitor());
+    tcx.hir().visit_all_item_likes(&mut GatherCtors { tcx, set: &mut set }.as_deep_visitor());
 
     set
 }