make visit_projection take a PlaceRef

Author: henryboisdequin

compiler/rustc_codegen_ssa/src/mir/analyze.rs

@@ -199,7 +199,7 @@ impl<Bx: BuilderMethods<'a, 'tcx>> LocalAnalyzer<'mir, 'a, 'tcx, Bx> {
             }
 
             self.visit_local(&place_ref.local, context, location);
-            self.visit_projection(place_ref.local, place_ref.projection, context, location);
+            self.visit_projection(*place_ref, context, location);
         }
     }
 }

compiler/rustc_middle/src/mir/visit.rs

@@ -998,12 +998,11 @@ macro_rules! visit_place_fns {
     () => {
         fn visit_projection(
             &mut self,
-            local: Local,
-            projection: &[PlaceElem<'tcx>],
+            place_ref: PlaceRef<'tcx>,
             context: PlaceContext,
             location: Location,
         ) {
-            self.super_projection(local, projection, context, location);
+            self.super_projection(place_ref.local, place_ref.projection, context, location);
         }
 
         fn visit_projection_elem(
@@ -1033,7 +1032,7 @@ macro_rules! visit_place_fns {
 
             self.visit_local(&place.local, context, location);
 
-            self.visit_projection(place.local, &place.projection, context, location);
+            self.visit_projection(place.as_ref(), context, location);
         }
 
         fn super_projection(

compiler/rustc_mir/src/dataflow/impls/liveness.rs

@@ -95,7 +95,7 @@ where
 
         // We purposefully do not call `super_place` here to avoid calling `visit_local` for this
         // place with one of the `Projection` variants of `PlaceContext`.
-        self.visit_projection(local, projection, context, location);
+        self.visit_projection(place.as_ref(), context, location);
 
         match DefUse::for_place(context) {
             // Treat derefs as a use of the base local. `*p = 4` is not a def of `p` but a use.

compiler/rustc_mir/src/transform/check_consts/validation.rs

@@ -508,12 +508,7 @@ impl Visitor<'tcx> for Validator<'mir, 'tcx> {
                         }
                     };
                     self.visit_local(&reborrowed_place_ref.local, ctx, location);
-                    self.visit_projection(
-                        reborrowed_place_ref.local,
-                        reborrowed_place_ref.projection,
-                        ctx,
-                        location,
-                    );
+                    self.visit_projection(reborrowed_place_ref, ctx, location);
                     return;
                 }
             }
@@ -526,12 +521,7 @@ impl Visitor<'tcx> for Validator<'mir, 'tcx> {
                         Mutability::Mut => PlaceContext::MutatingUse(MutatingUseContext::AddressOf),
                     };
                     self.visit_local(&reborrowed_place_ref.local, ctx, location);
-                    self.visit_projection(
-                        reborrowed_place_ref.local,
-                        reborrowed_place_ref.projection,
-                        ctx,
-                        location,
-                    );
+                    self.visit_projection(reborrowed_place_ref, ctx, location);
                     return;
                 }
             }