Avoid unnecessary exports.

compiler/rustc_mir_dataflow/src/drop_flag_effects.rs

@@ -128,7 +128,7 @@ pub fn drop_flag_effects_for_location<'tcx, F>(
     for_location_inits(tcx, body, move_data, loc, |mpi| callback(mpi, DropFlagState::Present));
 }
 
-pub fn for_location_inits<'tcx, F>(
+fn for_location_inits<'tcx, F>(
     tcx: TyCtxt<'tcx>,
     body: &Body<'tcx>,
     move_data: &MoveData<'tcx>,

compiler/rustc_mir_dataflow/src/framework/mod.rs

@@ -45,7 +45,7 @@ pub mod graphviz;
 pub mod lattice;
 mod visitor;
 
-pub use self::cursor::{AnalysisResults, ResultsClonedCursor, ResultsCursor, ResultsRefCursor};
+pub use self::cursor::{ResultsClonedCursor, ResultsCursor, ResultsRefCursor};
 pub use self::direction::{Backward, Direction, Forward};
 pub use self::engine::{Engine, EntrySets, Results, ResultsCloned};
 pub use self::lattice::{JoinSemiLattice, MaybeReachable};

compiler/rustc_mir_dataflow/src/lib.rs

@@ -22,12 +22,12 @@ pub use self::drop_flag_effects::{
     move_path_children_matching, on_all_children_bits, on_lookup_result_bits,
 };
 pub use self::framework::{
-    fmt, graphviz, lattice, visit_results, Analysis, AnalysisDomain, AnalysisResults, Backward,
+    fmt, lattice, visit_results, Analysis, AnalysisDomain, Direction, GenKill, GenKillAnalysis,
-    CloneAnalysis, Direction, Engine, Forward, GenKill, GenKillAnalysis, JoinSemiLattice,
+    JoinSemiLattice, MaybeReachable, Results, ResultsCursor, ResultsVisitable, ResultsVisitor,
-    MaybeReachable, Results, ResultsCloned, ResultsClonedCursor, ResultsCursor, ResultsRefCursor,
+};
-    ResultsVisitable, ResultsVisitor, SwitchIntEdgeEffects,
+use self::framework::{
+    Backward, CloneAnalysis, Forward, ResultsClonedCursor, SwitchIntEdgeEffects,
 };
-
 use self::move_paths::MoveData;
 
 pub mod debuginfo;

compiler/rustc_mir_dataflow/src/un_derefer.rs

@@ -3,13 +3,13 @@ use rustc_middle::mir::*;
 
 /// Used for reverting changes made by `DerefSeparator`
 #[derive(Default, Debug)]
-pub struct UnDerefer<'tcx> {
+pub(crate) struct UnDerefer<'tcx> {
     deref_chains: FxHashMap<Local, Vec<PlaceRef<'tcx>>>,
 }
 
 impl<'tcx> UnDerefer<'tcx> {
     #[inline]
-    pub fn insert(&mut self, local: Local, reffed: PlaceRef<'tcx>) {
+    pub(crate) fn insert(&mut self, local: Local, reffed: PlaceRef<'tcx>) {
         let mut chain = self.deref_chains.remove(&reffed.local).unwrap_or_default();
         chain.push(reffed);
         self.deref_chains.insert(local, chain);
@@ -17,7 +17,7 @@ impl<'tcx> UnDerefer<'tcx> {
 
     /// Returns the chain of places behind `DerefTemp` locals
     #[inline]
-    pub fn deref_chain(&self, local: Local) -> &[PlaceRef<'tcx>] {
+    pub(crate) fn deref_chain(&self, local: Local) -> &[PlaceRef<'tcx>] {
         self.deref_chains.get(&local).map(Vec::as_slice).unwrap_or_default()
     }
 
@@ -25,7 +25,7 @@ impl<'tcx> UnDerefer<'tcx> {
     ///
     /// See [`PlaceRef::iter_projections`]
     #[inline]
-    pub fn iter_projections(
+    pub(crate) fn iter_projections(
         &self,
         place: PlaceRef<'tcx>,
     ) -> impl Iterator<Item = (PlaceRef<'tcx>, PlaceElem<'tcx>)> + '_ {