Remove eval_always for HIR queries.

They depend on `hir_crate` and `index_hir`.

compiler/rustc_middle/src/hir/mod.rs

@@ -163,7 +163,7 @@ pub fn provide(providers: &mut Providers) {
         let index = tcx.index_hir(());
         index.parenting.get(&id).copied().unwrap_or(CRATE_HIR_ID)
     };
-    providers.hir_attrs = |tcx, id| AttributeMap { map: &tcx.untracked_crate.attrs, prefix: id };
+    providers.hir_attrs = |tcx, id| AttributeMap { map: &tcx.hir_crate(()).attrs, prefix: id };
     providers.source_span = |tcx, def_id| tcx.resolutions(()).definitions.def_span(def_id);
     providers.def_span = |tcx, def_id| tcx.hir().span_if_local(def_id).unwrap_or(DUMMY_SP);
     providers.fn_arg_names = |tcx, id| {

compiler/rustc_middle/src/query/mod.rs

@@ -62,7 +62,6 @@
     /// This can be conveniently accessed by methods on `tcx.hir()`.
     /// Avoid calling this query directly.
     query hir_owner(key: LocalDefId) -> Option<crate::hir::Owner<'tcx>> {
-        eval_always
         desc { |tcx| "HIR owner of `{}`", tcx.def_path_str(key.to_def_id()) }
     }
 
@@ -71,7 +70,6 @@
     /// This can be conveniently accessed by methods on `tcx.hir()`.
     /// Avoid calling this query directly.
     query hir_owner_parent(key: LocalDefId) -> hir::HirId {
-        eval_always
         desc { |tcx| "HIR parent of `{}`", tcx.def_path_str(key.to_def_id()) }
     }
 
@@ -80,7 +78,6 @@
     /// This can be conveniently accessed by methods on `tcx.hir()`.
     /// Avoid calling this query directly.
     query hir_owner_nodes(key: LocalDefId) -> Option<&'tcx crate::hir::OwnerNodes<'tcx>> {
-        eval_always
         desc { |tcx| "HIR owner items in `{}`", tcx.def_path_str(key.to_def_id()) }
     }
 
@@ -89,7 +86,6 @@
     /// This can be conveniently accessed by methods on `tcx.hir()`.
     /// Avoid calling this query directly.
     query hir_attrs(key: LocalDefId) -> rustc_middle::hir::AttributeMap<'tcx> {
-        eval_always
         desc { |tcx| "HIR owner attributes in `{}`", tcx.def_path_str(key.to_def_id()) }
     }
 
@@ -933,12 +929,6 @@
 
     query def_span(def_id: DefId) -> Span {
         desc { |tcx| "looking up span for `{}`", tcx.def_path_str(def_id) }
-        // FIXME(mw): DefSpans are not really inputs since they are derived from
-        // HIR. But at the moment HIR hashing still contains some hacks that allow
-        // to make type debuginfo to be source location independent. Declaring
-        // DefSpan an input makes sure that changes to these are always detected
-        // regardless of HIR hashing.
-        eval_always
     }
 
     query def_ident_span(def_id: DefId) -> Option<Span> {