Also use Const in SMIR instead of just ConstantKind

Author: oli-obk

compiler/rustc_smir/src/rustc_smir/mod.rs

@@ -1216,22 +1216,26 @@ impl<'tcx> Stable<'tcx> for ty::TraitDef {
 }
 
 impl<'tcx> Stable<'tcx> for rustc_middle::mir::ConstantKind<'tcx> {
-    type T = stable_mir::ty::ConstantKind;
+    type T = stable_mir::ty::Const;
 
     fn stable(&self, tables: &mut Tables<'tcx>) -> Self::T {
         match *self {
-            ConstantKind::Ty(c) => c.stable(tables).literal,
-            ConstantKind::Unevaluated(unev_const, ty) => {
-                stable_mir::ty::ConstantKind::Unevaluated(stable_mir::ty::UnevaluatedConst {
-                    ty: tables.intern_ty(ty),
-                    def: tables.const_def(unev_const.def),
-                    args: unev_const.args.stable(tables),
-                    promoted: unev_const.promoted.map(|u| u.as_u32()),
-                })
-            }
-            ConstantKind::Val(val, ty) => {
-                stable_mir::ty::ConstantKind::Allocated(alloc::new_allocation(ty, val, tables))
-            }
+            ConstantKind::Ty(c) => c.stable(tables),
+            ConstantKind::Unevaluated(unev_const, ty) => stable_mir::ty::Const {
+                literal: stable_mir::ty::ConstantKind::Unevaluated(
+                    stable_mir::ty::UnevaluatedConst {
+                        ty: tables.intern_ty(ty),
+                        def: tables.const_def(unev_const.def),
+                        args: unev_const.args.stable(tables),
+                        promoted: unev_const.promoted.map(|u| u.as_u32()),
+                    },
+                ),
+            },
+            ConstantKind::Val(val, ty) => stable_mir::ty::Const {
+                literal: stable_mir::ty::ConstantKind::Allocated(alloc::new_allocation(
+                    ty, val, tables,
+                )),
+            },
         }
     }
 }

compiler/rustc_smir/src/stable_mir/mir/body.rs

@@ -1,6 +1,6 @@
 use crate::rustc_internal::Opaque;
 use crate::stable_mir::ty::{
-    AdtDef, ClosureDef, Const, ConstantKind, GeneratorDef, GenericArgs, Movability, Region,
+    AdtDef, ClosureDef, Const, GeneratorDef, GenericArgs, Movability, Region,
 };
 use crate::stable_mir::{self, ty::Ty, Span};
 
@@ -352,7 +352,7 @@ type UserTypeAnnotationIndex = usize;
 pub struct Constant {
     pub span: Span,
     pub user_ty: Option<UserTypeAnnotationIndex>,
-    pub literal: ConstantKind,
+    pub literal: Const,
 }
 
 #[derive(Clone, Debug)]

tests/ui-fulldeps/stable-mir/crate-info.rs

@@ -114,7 +114,7 @@ fn test_stable_mir(tcx: TyCtxt<'_>) -> ControlFlow<()> {
     for block in monomorphic.body().blocks {
         match &block.terminator {
             stable_mir::mir::Terminator::Call { func, .. } => match func {
-                stable_mir::mir::Operand::Constant(c) => match &c.literal {
+                stable_mir::mir::Operand::Constant(c) => match &c.literal.literal {
                     stable_mir::ty::ConstantKind::Allocated(alloc) => {
                         assert!(alloc.bytes.is_empty())
                     }