3 files changed, 11 insertions, 14 deletions
diff --git a/compiler/rustc_codegen_ssa/src/common.rs b/compiler/rustc_codegen_ssa/src/common.rs
index 5a68075991f..641ac3eb808 100644
--- a/compiler/rustc_codegen_ssa/src/common.rs
+++ b/compiler/rustc_codegen_ssa/src/common.rs
@@ -1,7 +1,7 @@
 #![allow(non_camel_case_types)]
 
 use rustc_hir::LangItem;
-use rustc_middle::mir::interpret::ConstValue;
+use rustc_middle::mir;
 use rustc_middle::ty::{self, layout::TyAndLayout, Ty, TyCtxt};
 use rustc_span::Span;
 
@@ -194,10 +194,10 @@ pub fn shift_mask_val<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>(
 pub fn asm_const_to_str<'tcx>(
     tcx: TyCtxt<'tcx>,
     sp: Span,
-    const_value: ConstValue<'tcx>,
+    const_value: mir::ConstValue<'tcx>,
     ty_and_layout: TyAndLayout<'tcx>,
 ) -> String {
-    let ConstValue::Scalar(scalar) = const_value else {
+    let mir::ConstValue::Scalar(scalar) = const_value else {
         span_bug!(sp, "expected Scalar for promoted asm const, but got {:#?}", const_value)
     };
     let value = scalar.assert_bits(ty_and_layout.size);
diff --git a/compiler/rustc_codegen_ssa/src/mir/constant.rs b/compiler/rustc_codegen_ssa/src/mir/constant.rs
index 263b41ed880..7fec4047a95 100644
--- a/compiler/rustc_codegen_ssa/src/mir/constant.rs
+++ b/compiler/rustc_codegen_ssa/src/mir/constant.rs
@@ -2,7 +2,7 @@ use crate::errors;
 use crate::mir::operand::OperandRef;
 use crate::traits::*;
 use rustc_middle::mir;
-use rustc_middle::mir::interpret::{ConstValue, ErrorHandled};
+use rustc_middle::mir::interpret::ErrorHandled;
 use rustc_middle::ty::layout::HasTyCtxt;
 use rustc_middle::ty::{self, Ty};
 use rustc_target::abi::Abi;
@@ -20,7 +20,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
         OperandRef::from_const(bx, val, ty)
     }
 
-    pub fn eval_mir_constant(&self, constant: &mir::Constant<'tcx>) -> ConstValue<'tcx> {
+    pub fn eval_mir_constant(&self, constant: &mir::Constant<'tcx>) -> mir::ConstValue<'tcx> {
         self.monomorphize(constant.literal)
             .eval(self.cx.tcx(), ty::ParamEnv::reveal_all(), Some(constant.span))
             .expect("erroneous constant not captured by required_consts")
diff --git a/compiler/rustc_codegen_ssa/src/mir/operand.rs b/compiler/rustc_codegen_ssa/src/mir/operand.rs
index e192d16ff38..9205acc527e 100644
--- a/compiler/rustc_codegen_ssa/src/mir/operand.rs
+++ b/compiler/rustc_codegen_ssa/src/mir/operand.rs
@@ -6,8 +6,8 @@ use crate::glue;
 use crate::traits::*;
 use crate::MemFlags;
 
-use rustc_middle::mir;
-use rustc_middle::mir::interpret::{alloc_range, ConstValue, Pointer, Scalar};
+use rustc_middle::mir::interpret::{alloc_range, Pointer, Scalar};
+use rustc_middle::mir::{self, ConstValue};
 use rustc_middle::ty::layout::{LayoutOf, TyAndLayout};
 use rustc_middle::ty::Ty;
 use rustc_target::abi::{self, Abi, Align, Size};
@@ -86,7 +86,7 @@ impl<'a, 'tcx, V: CodegenObject> OperandRef<'tcx, V> {
 
     pub fn from_const<Bx: BuilderMethods<'a, 'tcx, Value = V>>(
         bx: &mut Bx,
-        val: ConstValue<'tcx>,
+        val: mir::ConstValue<'tcx>,
         ty: Ty<'tcx>,
     ) -> Self {
         let layout = bx.layout_of(ty);
@@ -100,15 +100,12 @@ impl<'a, 'tcx, V: CodegenObject> OperandRef<'tcx, V> {
                 OperandValue::Immediate(llval)
             }
             ConstValue::ZeroSized => return OperandRef::zero_sized(layout),
-            ConstValue::Slice { data, start, end } => {
+            ConstValue::Slice { data, meta } => {
                 let Abi::ScalarPair(a_scalar, _) = layout.abi else {
                     bug!("from_const: invalid ScalarPair layout: {:#?}", layout);
                 };
                 let a = Scalar::from_pointer(
-                    Pointer::new(
-                        bx.tcx().reserve_and_set_memory_alloc(data),
-                        Size::from_bytes(start),
-                    ),
+                    Pointer::new(bx.tcx().reserve_and_set_memory_alloc(data), Size::ZERO),
                     &bx.tcx(),
                 );
                 let a_llval = bx.scalar_to_backend(
@@ -116,7 +113,7 @@ impl<'a, 'tcx, V: CodegenObject> OperandRef<'tcx, V> {
                     a_scalar,
                     bx.scalar_pair_element_backend_type(layout, 0, true),
                 );
-                let b_llval = bx.const_usize((end - start) as u64);
+                let b_llval = bx.const_usize(meta);
                 OperandValue::Pair(a_llval, b_llval)
             }
             ConstValue::Indirect { alloc_id, offset } => {