diff --git a/toolchain/check/eval.cpp b/toolchain/check/eval.cpp
index b0fc9ac3535e..5ce6baa4ca23 100644
--- a/toolchain/check/eval.cpp
+++ b/toolchain/check/eval.cpp
@@ -2474,6 +2474,24 @@ auto TryEvalTypedInst<SemIR::SymbolicBindingType>(EvalContext& eval_context,
   return MakeConstantResult(eval_context.context(), inst, phase);
 }
 
+template <>
+auto TryEvalTypedInst<SemIR::Temporary>(EvalContext& eval_context,
+                                        SemIR::InstId inst_id, SemIR::Inst inst)
+    -> SemIR::ConstantId {
+  auto temporary = inst.As<SemIR::Temporary>();
+  temporary.storage_id = SemIR::InstId::None;
+
+  Phase phase = Phase::Concrete;
+  if (!ReplaceTypeWithConstantValue(eval_context, inst_id, &temporary,
+                                    &phase) ||
+      !ReplaceFieldWithConstantValue(eval_context, &temporary,
+                                     &SemIR::Temporary::init_id, &phase)) {
+    return SemIR::ConstantId::NotConstant;
+  }
+
+  return MakeConstantResult(eval_context.context(), temporary, phase);
+}
+
 // Returns whether `const_id` is the same constant facet value as
 // `facet_value_inst_id`.
 //
diff --git a/toolchain/check/eval_inst.cpp b/toolchain/check/eval_inst.cpp
index 6e1d8010f019..b1abc69ee967 100644
--- a/toolchain/check/eval_inst.cpp
+++ b/toolchain/check/eval_inst.cpp
@@ -669,12 +669,6 @@ auto EvalConstantInst(Context& /*context*/, SemIR::StructLiteral inst)
       .type_id = inst.type_id, .elements_id = inst.elements_id});
 }
 
-auto EvalConstantInst(Context& /*context*/, SemIR::Temporary /*inst*/)
-    -> ConstantEvalResult {
-  // TODO: Handle this. Can we just return the value of `init_id`?
-  return ConstantEvalResult::TODO;
-}
-
 auto EvalConstantInst(Context& context, SemIR::TupleAccess inst)
     -> ConstantEvalResult {
   return PerformAggregateAccess(context, inst);
diff --git a/toolchain/check/import_ref.cpp b/toolchain/check/import_ref.cpp
index 7a651b73a2f1..23589ebfe5a0 100644
--- a/toolchain/check/import_ref.cpp
+++ b/toolchain/check/import_ref.cpp
@@ -3874,6 +3874,22 @@ static auto TryResolveTypedInst(ImportRefResolver& resolver,
                  .facet_value_inst_id = facet_value_inst_id});
 }
 
+static auto TryResolveTypedInst(ImportRefResolver& resolver,
+                                SemIR::Temporary inst) -> ResolveResult {
+  CARBON_CHECK(inst.storage_id == SemIR::InstId::None);
+  auto type_id = GetLocalConstantId(resolver, inst.type_id);
+  auto init_id = GetLocalConstantInstId(resolver, inst.init_id);
+  if (resolver.HasNewWork()) {
+    return ResolveResult::Retry();
+  }
+
+  return ResolveResult::Deduplicated<SemIR::Temporary>(
+      resolver,
+      {.type_id = resolver.local_types().GetTypeIdForTypeConstantId(type_id),
+       .storage_id = SemIR::InstId::None,
+       .init_id = init_id});
+}
+
 static auto TryResolveTypedInst(ImportRefResolver& resolver,
                                 SemIR::TupleAccess inst) -> ResolveResult {
   auto type_id = GetLocalConstantId(resolver, inst.type_id);
@@ -4247,6 +4263,9 @@ static auto TryResolveInstCanonical(ImportRefResolver& resolver,
     case CARBON_KIND(SemIR::SymbolicBindingType inst): {
       return TryResolveTypedInst(resolver, inst);
     }
+    case CARBON_KIND(SemIR::Temporary inst): {
+      return TryResolveTypedInst(resolver, inst);
+    }
     case CARBON_KIND(SemIR::TupleAccess inst): {
       return TryResolveTypedInst(resolver, inst);
     }
diff --git a/toolchain/check/testdata/alias/basics.carbon b/toolchain/check/testdata/alias/basics.carbon
index 7a8786c5d562..750750c5e645 100644
--- a/toolchain/check/testdata/alias/basics.carbon
+++ b/toolchain/check/testdata/alias/basics.carbon
@@ -171,6 +171,7 @@ extern alias C = Class;
 // CHECK:STDOUT:   %pattern_type: type = pattern_type %C [concrete]
 // CHECK:STDOUT:   %empty_struct: %empty_struct_type = struct_value () [concrete]
 // CHECK:STDOUT:   %C.val: %C = struct_value () [concrete]
+// CHECK:STDOUT:   %.5ea: ref %C = temporary invalid, %C.val [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: file {
@@ -187,7 +188,7 @@ extern alias C = Class;
 // CHECK:STDOUT:   %.loc10_13.1: ref %C = temporary_storage
 // CHECK:STDOUT:   %.loc10_13.2: init %C to %.loc10_13.1 = class_init () [concrete = constants.%C.val]
 // CHECK:STDOUT:   %.loc10_13.3: init %C = converted @__global_init.%.loc10, %.loc10_13.2 [concrete = constants.%C.val]
-// CHECK:STDOUT:   %.loc10_13.4: ref %C = temporary %.loc10_13.1, %.loc10_13.3
+// CHECK:STDOUT:   %.loc10_13.4: ref %C = temporary %.loc10_13.1, %.loc10_13.3 [concrete = constants.%.5ea]
 // CHECK:STDOUT:   %.loc10_13.5: %C = acquire_value %.loc10_13.4
 // CHECK:STDOUT:   %d: %C = value_binding d, %.loc10_13.5
 // CHECK:STDOUT: }
diff --git a/toolchain/check/testdata/array/index_not_literal.carbon b/toolchain/check/testdata/array/index_not_literal.carbon
index 640c012f7ff6..5832ea81619a 100644
--- a/toolchain/check/testdata/array/index_not_literal.carbon
+++ b/toolchain/check/testdata/array/index_not_literal.carbon
@@ -50,7 +50,6 @@ fn F(a: array({}, 3)) -> {} {
 // CHECK:STDOUT:
 // CHECK:STDOUT: constants {
 // CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
-// CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
 // CHECK:STDOUT:   %N: Core.IntLiteral = symbolic_binding N, 0 [symbolic]
 // CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
 // CHECK:STDOUT:   %int_3.1ba: Core.IntLiteral = int_value 3 [concrete]
@@ -93,8 +92,7 @@ fn F(a: array({}, 3)) -> {} {
 // CHECK:STDOUT:   %bound_method.fa7: <bound method> = bound_method %int_3.1ba, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
 // CHECK:STDOUT:   %int_3.822: %i32 = int_value 3 [concrete]
 // CHECK:STDOUT:   %array: %array_type = tuple_value (%int_1.5d2, %int_2.ef8, %int_3.822) [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
+// CHECK:STDOUT:   %.fd3: ref %array_type = temporary invalid, %array [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -157,7 +155,7 @@ fn F(a: array({}, 3)) -> {} {
 // CHECK:STDOUT:   %.loc10_20.11: init %i32 to %.loc10_20.10 = in_place_init %.loc10_20.9 [concrete = constants.%int_3.822]
 // CHECK:STDOUT:   %.loc10_20.12: init %array_type to %.loc10_20.3 = array_init (%.loc10_20.5, %.loc10_20.8, %.loc10_20.11) [concrete = constants.%array]
 // CHECK:STDOUT:   %.loc10_20.13: init %array_type = converted %.loc10_20.1, %.loc10_20.12 [concrete = constants.%array]
-// CHECK:STDOUT:   %.loc10_20.14: ref %array_type = temporary %.loc10_20.3, %.loc10_20.13
+// CHECK:STDOUT:   %.loc10_20.14: ref %array_type = temporary %.loc10_20.3, %.loc10_20.13 [concrete = constants.%.fd3]
 // CHECK:STDOUT:   %.loc10_20.15: %array_type = acquire_value %.loc10_20.14
 // CHECK:STDOUT:   %impl.elem0.loc10_23: %.545 = impl_witness_access constants.%ImplicitAs.impl_witness.6bc, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5]
 // CHECK:STDOUT:   %bound_method.loc10_23.1: <bound method> = bound_method %int_1.loc10_23, %impl.elem0.loc10_23 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.215]
@@ -167,8 +165,6 @@ fn F(a: array({}, 3)) -> {} {
 // CHECK:STDOUT:   %.loc10_23.1: %i32 = value_of_initializer %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc10_23 [concrete = constants.%int_1.5d2]
 // CHECK:STDOUT:   %.loc10_23.2: %i32 = converted %int_1.loc10_23, %.loc10_23.1 [concrete = constants.%int_1.5d2]
 // CHECK:STDOUT:   %F.call: init %i32 = call %F.ref(%.loc10_20.15, %.loc10_23.2)
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc10_20.14, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc10_20.14)
 // CHECK:STDOUT:   return %F.call
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
diff --git a/toolchain/check/testdata/as/adapter_conversion.carbon b/toolchain/check/testdata/as/adapter_conversion.carbon
index 095c4d9975a5..3363349941ff 100644
--- a/toolchain/check/testdata/as/adapter_conversion.carbon
+++ b/toolchain/check/testdata/as/adapter_conversion.carbon
@@ -354,6 +354,7 @@ var b: B = {.x = ()} as B;
 // CHECK:STDOUT:   %int_2.ef8: %i32 = int_value 2 [concrete]
 // CHECK:STDOUT:   %A.val: %A = struct_value (%int_1.5d2, %int_2.ef8) [concrete]
 // CHECK:STDOUT:   %B.val: %B = struct_value (%int_1.5d2, %int_2.ef8) [concrete]
+// CHECK:STDOUT:   %.4e1: ref %B = temporary invalid, %B.val [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -366,7 +367,7 @@ var b: B = {.x = ()} as B;
 // CHECK:STDOUT:     %b_value.patt: %pattern_type.1f4 = value_binding_pattern b_value [concrete]
 // CHECK:STDOUT:   }
 // CHECK:STDOUT:   %B.ref: type = name_ref B, %B.decl [concrete = constants.%B]
-// CHECK:STDOUT:   %.loc14_42.1: ref %B = temporary @__global_init.%.loc14_34.3, @__global_init.%.loc14_42.2
+// CHECK:STDOUT:   %.loc14_42.1: ref %B = temporary @__global_init.%.loc14_34.3, @__global_init.%.loc14_42.2 [concrete = constants.%.4e1]
 // CHECK:STDOUT:   %.loc14_42.2: %B = acquire_value %.loc14_42.1
 // CHECK:STDOUT:   %b_value: %B = value_binding b_value, %.loc14_42.2
 // CHECK:STDOUT: }
diff --git a/toolchain/check/testdata/as/basics.carbon b/toolchain/check/testdata/as/basics.carbon
index 6ae49a7b0a76..016ede8a245b 100644
--- a/toolchain/check/testdata/as/basics.carbon
+++ b/toolchain/check/testdata/as/basics.carbon
@@ -371,6 +371,7 @@ let n: {.x: ()} = {.x = ()} as {.x = ()};
 // CHECK:STDOUT:   %As.WithSelf.Convert.type.edc: type = fn_type @As.WithSelf.Convert, @As.WithSelf(%Y, %As.facet.c03) [concrete]
 // CHECK:STDOUT:   %.84a: type = fn_type_with_self_type %As.WithSelf.Convert.type.edc, %As.facet.c03 [concrete]
 // CHECK:STDOUT:   %X.as.As.impl.Convert.bound: <bound method> = bound_method %X.val, %X.as.As.impl.Convert [concrete]
+// CHECK:STDOUT:   %.730: ref %X = temporary invalid, %X.val [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: file {
@@ -398,7 +399,7 @@ let n: {.x: ()} = {.x = ()} as {.x = ()};
 // CHECK:STDOUT:   %impl.elem0: %.84a = impl_witness_access constants.%As.impl_witness.e92, element0 [concrete = constants.%X.as.As.impl.Convert]
 // CHECK:STDOUT:   %bound_method: <bound method> = bound_method %.loc19_23.1, %impl.elem0 [concrete = constants.%X.as.As.impl.Convert.bound]
 // CHECK:STDOUT:   %.loc19_29.1: ref %Y = temporary_storage
-// CHECK:STDOUT:   %.loc19_23.2: ref %X = temporary %.loc19_21.2, %.loc19_23.1
+// CHECK:STDOUT:   %.loc19_23.2: ref %X = temporary %.loc19_21.2, %.loc19_23.1 [concrete = constants.%.730]
 // CHECK:STDOUT:   %.loc19_23.3: %X = acquire_value %.loc19_23.2
 // CHECK:STDOUT:   %X.as.As.impl.Convert.call: init %Y to %.loc19_29.1 = call %bound_method(%.loc19_23.3)
 // CHECK:STDOUT:   %.loc19_29.2: init %Y = converted %.loc19_23.1, %X.as.As.impl.Convert.call
diff --git a/toolchain/check/testdata/choice/basic.carbon b/toolchain/check/testdata/choice/basic.carbon
index 527013c72cbf..4590e302ae68 100644
--- a/toolchain/check/testdata/choice/basic.carbon
+++ b/toolchain/check/testdata/choice/basic.carbon
@@ -88,6 +88,7 @@ let never: Never = {};
 // CHECK:STDOUT:   %empty_tuple: %empty_tuple.type = tuple_value () [concrete]
 // CHECK:STDOUT:   %struct: %struct_type.discriminant = struct_value (%empty_tuple) [concrete]
 // CHECK:STDOUT:   %Always.val: %Always = struct_value (%empty_tuple) [concrete]
+// CHECK:STDOUT:   %.bc0: ref %Always = temporary invalid, %Always.val [concrete]
 // CHECK:STDOUT:   %pattern_type: type = pattern_type %Always [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -112,7 +113,7 @@ let never: Never = {};
 // CHECK:STDOUT:   %.loc6_1.7: init %empty_tuple.type = converted %.loc6_1.2, %.loc6_1.6 [concrete = constants.%empty_tuple]
 // CHECK:STDOUT:   %.loc6_1.8: init %Always to %.loc6_1.4 = class_init (%.loc6_1.7) [concrete = constants.%Always.val]
 // CHECK:STDOUT:   %.loc6_1.9: init %Always = converted %.loc6_1.3, %.loc6_1.8 [concrete = constants.%Always.val]
-// CHECK:STDOUT:   %.loc6_1.10: ref %Always = temporary %.loc6_1.4, %.loc6_1.9
+// CHECK:STDOUT:   %.loc6_1.10: ref %Always = temporary %.loc6_1.4, %.loc6_1.9 [concrete = constants.%.bc0]
 // CHECK:STDOUT:   %.loc6_1.11: %Always = acquire_value %.loc6_1.10
 // CHECK:STDOUT:   %Sunny: %Always = value_binding Sunny, %.loc6_1.11
 // CHECK:STDOUT:   complete_type_witness = %complete_type
@@ -167,6 +168,7 @@ let never: Never = {};
 // CHECK:STDOUT:   %UInt.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %UInt.as.Copy.impl.Op.b2d, @UInt.as.Copy.impl.Op(%int_2.ecc) [concrete]
 // CHECK:STDOUT:   %bound_method.428: <bound method> = bound_method %int_0.9fd, %UInt.as.Copy.impl.Op.specific_fn [concrete]
 // CHECK:STDOUT:   %Ordering.val.9ea: %Ordering = struct_value (%int_0.9fd) [concrete]
+// CHECK:STDOUT:   %.917: ref %Ordering = temporary invalid, %Ordering.val.9ea [concrete]
 // CHECK:STDOUT:   %int_1.5b8: Core.IntLiteral = int_value 1 [concrete]
 // CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.6b7: <bound method> = bound_method %int_1.5b8, %Core.IntLiteral.as.ImplicitAs.impl.Convert.0ed [concrete]
 // CHECK:STDOUT:   %bound_method.a4b: <bound method> = bound_method %int_1.5b8, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
@@ -175,6 +177,7 @@ let never: Never = {};
 // CHECK:STDOUT:   %UInt.as.Copy.impl.Op.bound.67d: <bound method> = bound_method %int_1.b2c, %UInt.as.Copy.impl.Op.b2d [concrete]
 // CHECK:STDOUT:   %bound_method.8f6: <bound method> = bound_method %int_1.b2c, %UInt.as.Copy.impl.Op.specific_fn [concrete]
 // CHECK:STDOUT:   %Ordering.val.d41: %Ordering = struct_value (%int_1.b2c) [concrete]
+// CHECK:STDOUT:   %.1a9: ref %Ordering = temporary invalid, %Ordering.val.d41 [concrete]
 // CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.c76: <bound method> = bound_method %int_2.ecc, %Core.IntLiteral.as.ImplicitAs.impl.Convert.0ed [concrete]
 // CHECK:STDOUT:   %bound_method.c5b: <bound method> = bound_method %int_2.ecc, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
 // CHECK:STDOUT:   %int_2.788: %u2 = int_value 2 [concrete]
@@ -182,6 +185,7 @@ let never: Never = {};
 // CHECK:STDOUT:   %UInt.as.Copy.impl.Op.bound.f0c: <bound method> = bound_method %int_2.788, %UInt.as.Copy.impl.Op.b2d [concrete]
 // CHECK:STDOUT:   %bound_method.f1a: <bound method> = bound_method %int_2.788, %UInt.as.Copy.impl.Op.specific_fn [concrete]
 // CHECK:STDOUT:   %Ordering.val.e86: %Ordering = struct_value (%int_2.788) [concrete]
+// CHECK:STDOUT:   %.c4a: ref %Ordering = temporary invalid, %Ordering.val.e86 [concrete]
 // CHECK:STDOUT:   %int_3.1ba: Core.IntLiteral = int_value 3 [concrete]
 // CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.cdf: <bound method> = bound_method %int_3.1ba, %Core.IntLiteral.as.ImplicitAs.impl.Convert.0ed [concrete]
 // CHECK:STDOUT:   %bound_method.898: <bound method> = bound_method %int_3.1ba, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
@@ -190,6 +194,7 @@ let never: Never = {};
 // CHECK:STDOUT:   %UInt.as.Copy.impl.Op.bound.7b5: <bound method> = bound_method %int_3.975, %UInt.as.Copy.impl.Op.b2d [concrete]
 // CHECK:STDOUT:   %bound_method.824: <bound method> = bound_method %int_3.975, %UInt.as.Copy.impl.Op.specific_fn [concrete]
 // CHECK:STDOUT:   %Ordering.val.a17: %Ordering = struct_value (%int_3.975) [concrete]
+// CHECK:STDOUT:   %.ab9: ref %Ordering = temporary invalid, %Ordering.val.a17 [concrete]
 // CHECK:STDOUT:   %pattern_type.a36: type = pattern_type %Ordering [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -245,7 +250,7 @@ let never: Never = {};
 // CHECK:STDOUT:   %.loc5_7.6: init %u2 to %.loc5_7.5 = in_place_init %UInt.as.Copy.impl.Op.call.loc5 [concrete = constants.%int_0.9fd]
 // CHECK:STDOUT:   %.loc5_7.7: init %Ordering to %.loc5_7.4 = class_init (%.loc5_7.6) [concrete = constants.%Ordering.val.9ea]
 // CHECK:STDOUT:   %.loc5_7.8: init %Ordering = converted %.loc5_7.3, %.loc5_7.7 [concrete = constants.%Ordering.val.9ea]
-// CHECK:STDOUT:   %.loc5_7.9: ref %Ordering = temporary %.loc5_7.4, %.loc5_7.8
+// CHECK:STDOUT:   %.loc5_7.9: ref %Ordering = temporary %.loc5_7.4, %.loc5_7.8 [concrete = constants.%.917]
 // CHECK:STDOUT:   %.loc5_7.10: %Ordering = acquire_value %.loc5_7.9
 // CHECK:STDOUT:   %Less: %Ordering = value_binding Less, %.loc5_7.10
 // CHECK:STDOUT:   %int_1: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
@@ -267,7 +272,7 @@ let never: Never = {};
 // CHECK:STDOUT:   %.loc6_13.6: init %u2 to %.loc6_13.5 = in_place_init %UInt.as.Copy.impl.Op.call.loc6 [concrete = constants.%int_1.b2c]
 // CHECK:STDOUT:   %.loc6_13.7: init %Ordering to %.loc6_13.4 = class_init (%.loc6_13.6) [concrete = constants.%Ordering.val.d41]
 // CHECK:STDOUT:   %.loc6_13.8: init %Ordering = converted %.loc6_13.3, %.loc6_13.7 [concrete = constants.%Ordering.val.d41]
-// CHECK:STDOUT:   %.loc6_13.9: ref %Ordering = temporary %.loc6_13.4, %.loc6_13.8
+// CHECK:STDOUT:   %.loc6_13.9: ref %Ordering = temporary %.loc6_13.4, %.loc6_13.8 [concrete = constants.%.1a9]
 // CHECK:STDOUT:   %.loc6_13.10: %Ordering = acquire_value %.loc6_13.9
 // CHECK:STDOUT:   %Equivalent: %Ordering = value_binding Equivalent, %.loc6_13.10
 // CHECK:STDOUT:   %int_2: Core.IntLiteral = int_value 2 [concrete = constants.%int_2.ecc]
@@ -289,7 +294,7 @@ let never: Never = {};
 // CHECK:STDOUT:   %.loc7_10.6: init %u2 to %.loc7_10.5 = in_place_init %UInt.as.Copy.impl.Op.call.loc7 [concrete = constants.%int_2.788]
 // CHECK:STDOUT:   %.loc7_10.7: init %Ordering to %.loc7_10.4 = class_init (%.loc7_10.6) [concrete = constants.%Ordering.val.e86]
 // CHECK:STDOUT:   %.loc7_10.8: init %Ordering = converted %.loc7_10.3, %.loc7_10.7 [concrete = constants.%Ordering.val.e86]
-// CHECK:STDOUT:   %.loc7_10.9: ref %Ordering = temporary %.loc7_10.4, %.loc7_10.8
+// CHECK:STDOUT:   %.loc7_10.9: ref %Ordering = temporary %.loc7_10.4, %.loc7_10.8 [concrete = constants.%.c4a]
 // CHECK:STDOUT:   %.loc7_10.10: %Ordering = acquire_value %.loc7_10.9
 // CHECK:STDOUT:   %Greater: %Ordering = value_binding Greater, %.loc7_10.10
 // CHECK:STDOUT:   %int_3: Core.IntLiteral = int_value 3 [concrete = constants.%int_3.1ba]
@@ -311,7 +316,7 @@ let never: Never = {};
 // CHECK:STDOUT:   %.loc9_1.6: init %u2 to %.loc9_1.5 = in_place_init %UInt.as.Copy.impl.Op.call.loc9 [concrete = constants.%int_3.975]
 // CHECK:STDOUT:   %.loc9_1.7: init %Ordering to %.loc9_1.4 = class_init (%.loc9_1.6) [concrete = constants.%Ordering.val.a17]
 // CHECK:STDOUT:   %.loc9_1.8: init %Ordering = converted %.loc9_1.3, %.loc9_1.7 [concrete = constants.%Ordering.val.a17]
-// CHECK:STDOUT:   %.loc9_1.9: ref %Ordering = temporary %.loc9_1.4, %.loc9_1.8
+// CHECK:STDOUT:   %.loc9_1.9: ref %Ordering = temporary %.loc9_1.4, %.loc9_1.8 [concrete = constants.%.ab9]
 // CHECK:STDOUT:   %.loc9_1.10: %Ordering = acquire_value %.loc9_1.9
 // CHECK:STDOUT:   %Incomparable: %Ordering = value_binding Incomparable, %.loc9_1.10
 // CHECK:STDOUT:   complete_type_witness = %complete_type
diff --git a/toolchain/check/testdata/choice/generic.carbon b/toolchain/check/testdata/choice/generic.carbon
index 76eb70865039..1912c8862d36 100644
--- a/toolchain/check/testdata/choice/generic.carbon
+++ b/toolchain/check/testdata/choice/generic.carbon
@@ -31,6 +31,7 @@ choice Always(T:! type) {
 // CHECK:STDOUT:   %struct: %struct_type.discriminant = struct_value (%empty_tuple) [concrete]
 // CHECK:STDOUT:   %require_complete: <witness> = require_complete_type %Always [symbolic]
 // CHECK:STDOUT:   %Always.val: %Always = struct_value (%empty_tuple) [symbolic]
+// CHECK:STDOUT:   %.19a: ref %Always = temporary invalid, %Always.val [symbolic]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: file {
@@ -52,6 +53,7 @@ choice Always(T:! type) {
 // CHECK:STDOUT:   %Always: type = class_type @Always, @Always(%T.loc14_16.1) [symbolic = %Always (constants.%Always)]
 // CHECK:STDOUT:   %require_complete: <witness> = require_complete_type %Always [symbolic = %require_complete (constants.%require_complete)]
 // CHECK:STDOUT:   %Always.val: @Always.%Always (%Always) = struct_value (constants.%empty_tuple) [symbolic = %Always.val (constants.%Always.val)]
+// CHECK:STDOUT:   %.loc16_1.12: ref @Always.%Always (%Always) = temporary invalid, %Always.val [symbolic = %.loc16_1.12 (constants.%.19a)]
 // CHECK:STDOUT:
 // CHECK:STDOUT:   class {
 // CHECK:STDOUT:     %complete_type: <witness> = complete_type_witness constants.%struct_type.discriminant [concrete = constants.%complete_type]
@@ -65,7 +67,7 @@ choice Always(T:! type) {
 // CHECK:STDOUT:     %.loc16_1.7: init %empty_tuple.type = converted %.loc16_1.2, %.loc16_1.6 [concrete = constants.%empty_tuple]
 // CHECK:STDOUT:     %.loc16_1.8: init @Always.%Always (%Always) to %.loc16_1.4 = class_init (%.loc16_1.7) [symbolic = %Always.val (constants.%Always.val)]
 // CHECK:STDOUT:     %.loc16_1.9: init @Always.%Always (%Always) = converted %.loc16_1.3, %.loc16_1.8 [symbolic = %Always.val (constants.%Always.val)]
-// CHECK:STDOUT:     %.loc16_1.10: ref @Always.%Always (%Always) = temporary %.loc16_1.4, %.loc16_1.9
+// CHECK:STDOUT:     %.loc16_1.10: ref @Always.%Always (%Always) = temporary %.loc16_1.4, %.loc16_1.9 [symbolic = %.loc16_1.12 (constants.%.19a)]
 // CHECK:STDOUT:     %.loc16_1.11: @Always.%Always (%Always) = acquire_value %.loc16_1.10
 // CHECK:STDOUT:     %Sunny: @Always.%Always (%Always) = value_binding Sunny, %.loc16_1.11
 // CHECK:STDOUT:     complete_type_witness = %complete_type
diff --git a/toolchain/check/testdata/class/adapter/init_adapt.carbon b/toolchain/check/testdata/class/adapter/init_adapt.carbon
index bc8c260660be..fd73dd9bdfb8 100644
--- a/toolchain/check/testdata/class/adapter/init_adapt.carbon
+++ b/toolchain/check/testdata/class/adapter/init_adapt.carbon
@@ -133,6 +133,7 @@ var e: C = MakeAdaptC();
 // CHECK:STDOUT:   %bound_method.646: <bound method> = bound_method %int_2.ecc, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
 // CHECK:STDOUT:   %int_2.ef8: %i32 = int_value 2 [concrete]
 // CHECK:STDOUT:   %C.val: %C = struct_value (%int_1.5d2, %int_2.ef8) [concrete]
+// CHECK:STDOUT:   %.740: ref %C = temporary invalid, %C.val [concrete]
 // CHECK:STDOUT:   %pattern_type.507: type = pattern_type %AdaptC [concrete]
 // CHECK:STDOUT:   %.a69: Core.Form = init_form %C [concrete]
 // CHECK:STDOUT:   %MakeC.type: type = fn_type @MakeC [concrete]
@@ -194,7 +195,7 @@ var e: C = MakeAdaptC();
 // CHECK:STDOUT:   %.loc13_27.7: init %i32 to %.loc13_27.6 = in_place_init %.loc13_27.5 [concrete = constants.%int_2.ef8]
 // CHECK:STDOUT:   %.loc13_27.8: init %C to %.loc13_27.2 = class_init (%.loc13_27.4, %.loc13_27.7) [concrete = constants.%C.val]
 // CHECK:STDOUT:   %.loc13_27.9: init %C = converted @__global_init.%.loc13, %.loc13_27.8 [concrete = constants.%C.val]
-// CHECK:STDOUT:   %.loc13_27.10: ref %C = temporary %.loc13_27.2, %.loc13_27.9
+// CHECK:STDOUT:   %.loc13_27.10: ref %C = temporary %.loc13_27.2, %.loc13_27.9 [concrete = constants.%.740]
 // CHECK:STDOUT:   %.loc13_27.11: %C = acquire_value %.loc13_27.10
 // CHECK:STDOUT:   %a: %C = value_binding a, %.loc13_27.11
 // CHECK:STDOUT:   name_binding_decl {
@@ -337,6 +338,7 @@ var e: C = MakeAdaptC();
 // CHECK:STDOUT:   %bound_method.646: <bound method> = bound_method %int_2.ecc, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
 // CHECK:STDOUT:   %int_2.ef8: %i32 = int_value 2 [concrete]
 // CHECK:STDOUT:   %C.val: %C = struct_value (%int_1.5d2, %int_2.ef8) [concrete]
+// CHECK:STDOUT:   %.740: ref %C = temporary invalid, %C.val [concrete]
 // CHECK:STDOUT:   %pattern_type.507: type = pattern_type %AdaptC [concrete]
 // CHECK:STDOUT:   %.a69: Core.Form = init_form %C [concrete]
 // CHECK:STDOUT:   %MakeC.type: type = fn_type @MakeC [concrete]
@@ -398,7 +400,7 @@ var e: C = MakeAdaptC();
 // CHECK:STDOUT:   %.loc13_27.7: init %i32 to %.loc13_27.6 = in_place_init %.loc13_27.5 [concrete = constants.%int_2.ef8]
 // CHECK:STDOUT:   %.loc13_27.8: init %C to %.loc13_27.2 = class_init (%.loc13_27.4, %.loc13_27.7) [concrete = constants.%C.val]
 // CHECK:STDOUT:   %.loc13_27.9: init %C = converted @__global_init.%.loc13, %.loc13_27.8 [concrete = constants.%C.val]
-// CHECK:STDOUT:   %.loc13_27.10: ref %C = temporary %.loc13_27.2, %.loc13_27.9
+// CHECK:STDOUT:   %.loc13_27.10: ref %C = temporary %.loc13_27.2, %.loc13_27.9 [concrete = constants.%.740]
 // CHECK:STDOUT:   %.loc13_27.11: %C = acquire_value %.loc13_27.10
 // CHECK:STDOUT:   %a: %C = value_binding a, %.loc13_27.11
 // CHECK:STDOUT:   name_binding_decl {
diff --git a/toolchain/check/testdata/class/generic/method_deduce.carbon b/toolchain/check/testdata/class/generic/method_deduce.carbon
index 5f8204332511..420135b3aa79 100644
--- a/toolchain/check/testdata/class/generic/method_deduce.carbon
+++ b/toolchain/check/testdata/class/generic/method_deduce.carbon
@@ -40,7 +40,6 @@ fn CallGenericMethodWithNonDeducedParam(c: Class(A)) -> (A, B) {
 // CHECK:STDOUT:   %pattern_type.98f: type = pattern_type type [concrete]
 // CHECK:STDOUT:   %T: type = symbolic_binding T, 0 [symbolic]
 // CHECK:STDOUT:   %Class.type: type = generic_class_type @Class [concrete]
-// CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
 // CHECK:STDOUT:   %Class.generic: %Class.type = struct_value () [concrete]
 // CHECK:STDOUT:   %Class.0db: type = class_type @Class, @Class(%T) [symbolic]
 // CHECK:STDOUT:   %U: type = symbolic_binding U, 1 [symbolic]
@@ -77,9 +76,8 @@ fn CallGenericMethodWithNonDeducedParam(c: Class(A)) -> (A, B) {
 // CHECK:STDOUT:   %pattern_type.1ab: type = pattern_type %A [concrete]
 // CHECK:STDOUT:   %Class.GetNoDeduce.specific_fn.83b: <specific function> = specific_function %Class.GetNoDeduce.472, @Class.GetNoDeduce(%A, %B) [concrete]
 // CHECK:STDOUT:   %A.val: %A = struct_value () [concrete]
+// CHECK:STDOUT:   %.33f: ref %A = temporary invalid, %A.val [concrete]
 // CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
 // CHECK:STDOUT:   %complete_type.f71: <witness> = complete_type_witness %tuple.type.e87 [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -313,11 +311,9 @@ fn CallGenericMethodWithNonDeducedParam(c: Class(A)) -> (A, B) {
 // CHECK:STDOUT:   %.loc28_25.2: ref %A = temporary_storage
 // CHECK:STDOUT:   %.loc28_25.3: init %A to %.loc28_25.2 = class_init () [concrete = constants.%A.val]
 // CHECK:STDOUT:   %.loc28_25.4: init %A = converted %.loc28_25.1, %.loc28_25.3 [concrete = constants.%A.val]
-// CHECK:STDOUT:   %.loc28_25.5: ref %A = temporary %.loc28_25.2, %.loc28_25.4
+// CHECK:STDOUT:   %.loc28_25.5: ref %A = temporary %.loc28_25.2, %.loc28_25.4 [concrete = constants.%.33f]
 // CHECK:STDOUT:   %.loc28_25.6: %A = acquire_value %.loc28_25.5
 // CHECK:STDOUT:   %Class.GetNoDeduce.call: init %tuple.type.e87 to %.loc27_62.1 = call %Class.GetNoDeduce.specific_fn(%.loc28_25.6)
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc28_25.5, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc28_25.5)
 // CHECK:STDOUT:   return %Class.GetNoDeduce.call to %return.param
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
diff --git a/toolchain/check/testdata/class/generic/stringify.carbon b/toolchain/check/testdata/class/generic/stringify.carbon
index de1cb407e863..183262ad64d5 100644
--- a/toolchain/check/testdata/class/generic/stringify.carbon
+++ b/toolchain/check/testdata/class/generic/stringify.carbon
@@ -541,6 +541,7 @@ var g: E({.a = 1, .b = 2}) = {} as E({.a = 3, .b = 4} as D);
 // CHECK:STDOUT:   %bound_method.646: <bound method> = bound_method %int_2.ecc, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
 // CHECK:STDOUT:   %int_2.ef8: %i32 = int_value 2 [concrete]
 // CHECK:STDOUT:   %D.val.525: %D = struct_value (%int_1.5d2, %int_2.ef8) [concrete]
+// CHECK:STDOUT:   %.88a: ref %D = temporary invalid, %D.val.525 [concrete]
 // CHECK:STDOUT:   %empty_struct: %empty_struct_type = struct_value () [concrete]
 // CHECK:STDOUT:   %int_3.1ba: Core.IntLiteral = int_value 3 [concrete]
 // CHECK:STDOUT:   %int_4.0c1: Core.IntLiteral = int_value 4 [concrete]
@@ -552,6 +553,7 @@ var g: E({.a = 1, .b = 2}) = {} as E({.a = 3, .b = 4} as D);
 // CHECK:STDOUT:   %bound_method.6d7: <bound method> = bound_method %int_4.0c1, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
 // CHECK:STDOUT:   %int_4.940: %i32 = int_value 4 [concrete]
 // CHECK:STDOUT:   %D.val.659: %D = struct_value (%int_3.822, %int_4.940) [concrete]
+// CHECK:STDOUT:   %.aec: ref %D = temporary invalid, %D.val.659 [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -614,7 +616,7 @@ var g: E({.a = 1, .b = 2}) = {} as E({.a = 3, .b = 4} as D);
 // CHECK:STDOUT:     %.loc25_25.8: init %i32 to %.loc25_25.7 = in_place_init %.loc25_25.6 [concrete = constants.%int_2.ef8]
 // CHECK:STDOUT:     %.loc25_25.9: init %D to %.loc25_25.3 = class_init (%.loc25_25.5, %.loc25_25.8) [concrete = constants.%D.val.525]
 // CHECK:STDOUT:     %.loc25_26.1: init %D = converted %.loc25_25.1, %.loc25_25.9 [concrete = constants.%D.val.525]
-// CHECK:STDOUT:     %.loc25_26.2: ref %D = temporary %.loc25_25.3, %.loc25_26.1
+// CHECK:STDOUT:     %.loc25_26.2: ref %D = temporary %.loc25_25.3, %.loc25_26.1 [concrete = constants.%.88a]
 // CHECK:STDOUT:     %.loc25_26.3: %D = acquire_value %.loc25_26.2
 // CHECK:STDOUT:   }
 // CHECK:STDOUT:   %g: ref <error> = ref_binding g, <error> [concrete = <error>]
@@ -675,7 +677,7 @@ var g: E({.a = 1, .b = 2}) = {} as E({.a = 3, .b = 4} as D);
 // CHECK:STDOUT:   %.loc25_53.8: init %i32 to %.loc25_53.7 = in_place_init %.loc25_53.6 [concrete = constants.%int_4.940]
 // CHECK:STDOUT:   %.loc25_53.9: init %D to %.loc25_53.3 = class_init (%.loc25_53.5, %.loc25_53.8) [concrete = constants.%D.val.659]
 // CHECK:STDOUT:   %.loc25_55.1: init %D = converted %.loc25_53.1, %.loc25_53.9 [concrete = constants.%D.val.659]
-// CHECK:STDOUT:   %.loc25_55.2: ref %D = temporary %.loc25_53.3, %.loc25_55.1
+// CHECK:STDOUT:   %.loc25_55.2: ref %D = temporary %.loc25_53.3, %.loc25_55.1 [concrete = constants.%.aec]
 // CHECK:STDOUT:   %.loc25_55.3: %D = acquire_value %.loc25_55.2
 // CHECK:STDOUT:   assign file.%g.var, <error>
 // CHECK:STDOUT:   return
diff --git a/toolchain/check/testdata/class/inheritance/derived_to_base.carbon b/toolchain/check/testdata/class/inheritance/derived_to_base.carbon
index b3c6953e222e..45a22a850919 100644
--- a/toolchain/check/testdata/class/inheritance/derived_to_base.carbon
+++ b/toolchain/check/testdata/class/inheritance/derived_to_base.carbon
@@ -121,7 +121,6 @@ fn PassConstB(p: const B) {
 // CHECK:STDOUT: constants {
 // CHECK:STDOUT:   %A: type = class_type @A [concrete]
 // CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
-// CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
 // CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
 // CHECK:STDOUT:   %B: type = class_type @B [concrete]
 // CHECK:STDOUT:   %C: type = class_type @C [concrete]
@@ -201,8 +200,9 @@ fn PassConstB(p: const B) {
 // CHECK:STDOUT:   %bound_method.fa7: <bound method> = bound_method %int_3.1ba, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
 // CHECK:STDOUT:   %int_3.822: %i32 = int_value 3 [concrete]
 // CHECK:STDOUT:   %C.val: %C = struct_value (%B.val, %int_3.822) [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
+// CHECK:STDOUT:   %.6f9: ref %C = temporary invalid, %C.val [concrete]
+// CHECK:STDOUT:   %.797: ref %B = class_element_access %.6f9, element0 [concrete]
+// CHECK:STDOUT:   %.e51: ref %A = class_element_access %.797, element0 [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -422,14 +422,12 @@ fn PassConstB(p: const B) {
 // CHECK:STDOUT:   %.loc32_64.9: init %C to %.loc32_64.2 = class_init (%.loc32_64.5, %.loc32_64.8) [concrete = constants.%C.val]
 // CHECK:STDOUT:   %.loc32_66.1: init %C = converted %.loc32_64.1, %.loc32_64.9 [concrete = constants.%C.val]
 // CHECK:STDOUT:   %A.ref: type = name_ref A, file.%A.decl [concrete = constants.%A]
-// CHECK:STDOUT:   %.loc32_66.2: ref %C = temporary %.loc32_64.2, %.loc32_66.1
-// CHECK:STDOUT:   %.loc32_66.3: ref %B = class_element_access %.loc32_66.2, element0
-// CHECK:STDOUT:   %.loc32_66.4: ref %A = class_element_access %.loc32_66.3, element0
-// CHECK:STDOUT:   %.loc32_66.5: ref %A = converted %.loc32_66.1, %.loc32_66.4
+// CHECK:STDOUT:   %.loc32_66.2: ref %C = temporary %.loc32_64.2, %.loc32_66.1 [concrete = constants.%.6f9]
+// CHECK:STDOUT:   %.loc32_66.3: ref %B = class_element_access %.loc32_66.2, element0 [concrete = constants.%.797]
+// CHECK:STDOUT:   %.loc32_66.4: ref %A = class_element_access %.loc32_66.3, element0 [concrete = constants.%.e51]
+// CHECK:STDOUT:   %.loc32_66.5: ref %A = converted %.loc32_66.1, %.loc32_66.4 [concrete = constants.%.e51]
 // CHECK:STDOUT:   %.loc32_66.6: %A = acquire_value %.loc32_66.5
 // CHECK:STDOUT:   %a: %A = value_binding a, %.loc32_66.6
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc32_66.2, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc32_66.2)
 // CHECK:STDOUT:   return
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
diff --git a/toolchain/check/testdata/class/init_as.carbon b/toolchain/check/testdata/class/init_as.carbon
index 28300a1c6dde..4825df2763f7 100644
--- a/toolchain/check/testdata/class/init_as.carbon
+++ b/toolchain/check/testdata/class/init_as.carbon
@@ -59,6 +59,8 @@ fn G() -> i32 {
 // CHECK:STDOUT:   %bound_method.646: <bound method> = bound_method %int_2.ecc, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
 // CHECK:STDOUT:   %int_2.ef8: %i32 = int_value 2 [concrete]
 // CHECK:STDOUT:   %Class.val: %Class = struct_value (%int_1.5d2, %int_2.ef8) [concrete]
+// CHECK:STDOUT:   %.950: ref %Class = temporary invalid, %Class.val [concrete]
+// CHECK:STDOUT:   %.872: ref %i32 = class_element_access %.950, element0 [concrete]
 // CHECK:STDOUT:   %Copy.type: type = facet_type <@Copy> [concrete]
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.type.824: type = fn_type @Int.as.Copy.impl.Op, @Int.as.Copy.impl(%N) [symbolic]
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.9b9: %Int.as.Copy.impl.Op.type.824 = struct_value () [symbolic]
@@ -106,17 +108,15 @@ fn G() -> i32 {
 // CHECK:STDOUT:   %.loc20_26.8: init %i32 to %.loc20_26.7 = in_place_init %.loc20_26.6 [concrete = constants.%int_2.ef8]
 // CHECK:STDOUT:   %.loc20_26.9: init %Class to %.loc20_26.3 = class_init (%.loc20_26.5, %.loc20_26.8) [concrete = constants.%Class.val]
 // CHECK:STDOUT:   %.loc20_28.1: init %Class = converted %.loc20_26.1, %.loc20_26.9 [concrete = constants.%Class.val]
-// CHECK:STDOUT:   %.loc20_28.2: ref %Class = temporary %.loc20_26.3, %.loc20_28.1
+// CHECK:STDOUT:   %.loc20_28.2: ref %Class = temporary %.loc20_26.3, %.loc20_28.1 [concrete = constants.%.950]
 // CHECK:STDOUT:   %a.ref: %Class.elem = name_ref a, @Class.%.loc14 [concrete = @Class.%.loc14]
-// CHECK:STDOUT:   %.loc20_37.1: ref %i32 = class_element_access %.loc20_28.2, element0
+// CHECK:STDOUT:   %.loc20_37.1: ref %i32 = class_element_access %.loc20_28.2, element0 [concrete = constants.%.872]
 // CHECK:STDOUT:   %.loc20_37.2: %i32 = acquire_value %.loc20_37.1
 // CHECK:STDOUT:   %impl.elem0.loc20_37: %.8e2 = impl_witness_access constants.%Copy.impl_witness.f17, element0 [concrete = constants.%Int.as.Copy.impl.Op.664]
 // CHECK:STDOUT:   %bound_method.loc20_37.1: <bound method> = bound_method %.loc20_37.2, %impl.elem0.loc20_37
 // CHECK:STDOUT:   %specific_fn.loc20_37: <specific function> = specific_function %impl.elem0.loc20_37, @Int.as.Copy.impl.Op(constants.%int_32) [concrete = constants.%Int.as.Copy.impl.Op.specific_fn]
 // CHECK:STDOUT:   %bound_method.loc20_37.2: <bound method> = bound_method %.loc20_37.2, %specific_fn.loc20_37
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.call: init %i32 = call %bound_method.loc20_37.2(%.loc20_37.2)
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc20_28.2, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc20_28.2)
 // CHECK:STDOUT:   return %Int.as.Copy.impl.Op.call
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
diff --git a/toolchain/check/testdata/class/method/method.carbon b/toolchain/check/testdata/class/method/method.carbon
index 64a3aaf3c54b..5624c1d860e7 100644
--- a/toolchain/check/testdata/class/method/method.carbon
+++ b/toolchain/check/testdata/class/method/method.carbon
@@ -119,6 +119,8 @@ fn CallGOnInitializingExpr() -> i32 {
 // CHECK:STDOUT:   %bound_method: <bound method> = bound_method %int_1.5b8, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
 // CHECK:STDOUT:   %int_1.5d2: %i32 = int_value 1 [concrete]
 // CHECK:STDOUT:   %Class.val: %Class = struct_value (%int_1.5d2) [concrete]
+// CHECK:STDOUT:   %.ae5: ref %Class = temporary invalid, %Class.val [concrete]
+// CHECK:STDOUT:   %Class.F.bound: <bound method> = bound_method %.ae5, %Class.F [concrete]
 // CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
 // CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
 // CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
@@ -403,13 +405,11 @@ fn CallGOnInitializingExpr() -> i32 {
 // CHECK:STDOUT:   %.loc39_18.5: init %i32 to %.loc39_18.4 = in_place_init %.loc39_18.2 [concrete = constants.%int_1.5d2]
 // CHECK:STDOUT:   %.loc39_18.6: init %Class to %.loc39_18.3 = class_init (%.loc39_18.5) [concrete = constants.%Class.val]
 // CHECK:STDOUT:   %.loc39_20.1: init %Class = converted %.loc39_18.1, %.loc39_18.6 [concrete = constants.%Class.val]
-// CHECK:STDOUT:   %.loc39_20.2: ref %Class = temporary %.loc39_18.3, %.loc39_20.1
+// CHECK:STDOUT:   %.loc39_20.2: ref %Class = temporary %.loc39_18.3, %.loc39_20.1 [concrete = constants.%.ae5]
 // CHECK:STDOUT:   %F.ref: %Class.F.type = name_ref F, @Class.%Class.F.decl [concrete = constants.%Class.F]
-// CHECK:STDOUT:   %Class.F.bound: <bound method> = bound_method %.loc39_20.2, %F.ref
+// CHECK:STDOUT:   %Class.F.bound: <bound method> = bound_method %.loc39_20.2, %F.ref [concrete = constants.%Class.F.bound]
 // CHECK:STDOUT:   %.loc39_20.3: %Class = acquire_value %.loc39_20.2
 // CHECK:STDOUT:   %Class.F.call: init %i32 = call %Class.F.bound(%.loc39_20.3)
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc39_20.2, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc39_20.2)
 // CHECK:STDOUT:   return %Class.F.call
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
diff --git a/toolchain/check/testdata/deduce/generic_type.carbon b/toolchain/check/testdata/deduce/generic_type.carbon
index c7d381af25fe..13adb198e216 100644
--- a/toolchain/check/testdata/deduce/generic_type.carbon
+++ b/toolchain/check/testdata/deduce/generic_type.carbon
@@ -751,7 +751,6 @@ fn G() -> i32 {
 // CHECK:STDOUT:   %.Self: %type = symbolic_binding .Self [symbolic_self]
 // CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
 // CHECK:STDOUT:   %Int.type: type = generic_class_type @Int [concrete]
-// CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
 // CHECK:STDOUT:   %Int.generic: %Int.type = struct_value () [concrete]
 // CHECK:STDOUT:   %N.fe9: Core.IntLiteral = symbolic_binding N, 0 [symbolic]
 // CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
@@ -803,9 +802,8 @@ fn G() -> i32 {
 // CHECK:STDOUT:   %WithNontype.val: %WithNontype.6bb = struct_value () [concrete]
 // CHECK:STDOUT:   %pattern_type.7a0: type = pattern_type %WithNontype.6bb [concrete]
 // CHECK:STDOUT:   %F.specific_fn: <specific function> = specific_function %F, @F(%int_0.6a9) [concrete]
+// CHECK:STDOUT:   %.0bf: ref %WithNontype.6bb = temporary invalid, %WithNontype.val [concrete]
 // CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.bound.06d: <bound method> = bound_method %int_0.6a9, %Int.as.Copy.impl.Op.664 [concrete]
 // CHECK:STDOUT:   %bound_method.5f6: <bound method> = bound_method %int_0.6a9, %Int.as.Copy.impl.Op.specific_fn [concrete]
 // CHECK:STDOUT: }
@@ -935,11 +933,9 @@ fn G() -> i32 {
 // CHECK:STDOUT:   %.loc9_13.3: init %WithNontype.6bb to %.loc9_13.2 = class_init () [concrete = constants.%WithNontype.val]
 // CHECK:STDOUT:   %.loc9_15.1: init %WithNontype.6bb = converted %.loc9_13.1, %.loc9_13.3 [concrete = constants.%WithNontype.val]
 // CHECK:STDOUT:   %F.specific_fn: <specific function> = specific_function %F.ref, @F(constants.%int_0.6a9) [concrete = constants.%F.specific_fn]
-// CHECK:STDOUT:   %.loc9_15.2: ref %WithNontype.6bb = temporary %.loc9_13.2, %.loc9_15.1
+// CHECK:STDOUT:   %.loc9_15.2: ref %WithNontype.6bb = temporary %.loc9_13.2, %.loc9_15.1 [concrete = constants.%.0bf]
 // CHECK:STDOUT:   %.loc9_15.3: %WithNontype.6bb = acquire_value %.loc9_15.2
 // CHECK:STDOUT:   %F.call: init %i32 = call %F.specific_fn(%.loc9_15.3)
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc9_15.2, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc9_15.2)
 // CHECK:STDOUT:   return %F.call
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
diff --git a/toolchain/check/testdata/deduce/value_with_type_through_access.carbon b/toolchain/check/testdata/deduce/value_with_type_through_access.carbon
index 78df229dc1c2..37a0fc759d99 100644
--- a/toolchain/check/testdata/deduce/value_with_type_through_access.carbon
+++ b/toolchain/check/testdata/deduce/value_with_type_through_access.carbon
@@ -145,12 +145,10 @@ fn G() {
 // CHECK:STDOUT:   %pattern_type.a646: type = pattern_type %HoldsType.a31 [concrete]
 // CHECK:STDOUT:   %pattern_type.7c7: type = pattern_type %C [concrete]
 // CHECK:STDOUT:   %F.specific_fn: <specific function> = specific_function %F, @F(%tuple.1f1) [concrete]
+// CHECK:STDOUT:   %.31a: ref %HoldsType.a31 = temporary invalid, %HoldsType.val [concrete]
 // CHECK:STDOUT:   %C.val: %C = struct_value () [concrete]
+// CHECK:STDOUT:   %.5ea: ref %C = temporary invalid, %C.val [concrete]
 // CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type.bae255.1: type = fn_type @Destroy.Op.loc13_30 [concrete]
-// CHECK:STDOUT:   %Destroy.Op.651ba6.1: %Destroy.Op.type.bae255.1 = struct_value () [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type.bae255.2: type = fn_type @Destroy.Op.loc13_8 [concrete]
-// CHECK:STDOUT:   %Destroy.Op.651ba6.2: %Destroy.Op.type.bae255.2 = struct_value () [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -269,18 +267,14 @@ fn G() {
 // CHECK:STDOUT:   %.loc13_8.1: init %HoldsType.a31 = converted %.loc13_6.1, %.loc13_6.3 [concrete = constants.%HoldsType.val]
 // CHECK:STDOUT:   %.loc13_30.1: %empty_struct_type = struct_literal () [concrete = constants.%empty_struct]
 // CHECK:STDOUT:   %F.specific_fn: <specific function> = specific_function %F.ref, @F(constants.%tuple.1f1) [concrete = constants.%F.specific_fn]
-// CHECK:STDOUT:   %.loc13_8.2: ref %HoldsType.a31 = temporary %.loc13_6.2, %.loc13_8.1
+// CHECK:STDOUT:   %.loc13_8.2: ref %HoldsType.a31 = temporary %.loc13_6.2, %.loc13_8.1 [concrete = constants.%.31a]
 // CHECK:STDOUT:   %.loc13_8.3: %HoldsType.a31 = acquire_value %.loc13_8.2
 // CHECK:STDOUT:   %.loc13_30.2: ref %C = temporary_storage
 // CHECK:STDOUT:   %.loc13_30.3: init %C to %.loc13_30.2 = class_init () [concrete = constants.%C.val]
 // CHECK:STDOUT:   %.loc13_30.4: init %C = converted %.loc13_30.1, %.loc13_30.3 [concrete = constants.%C.val]
-// CHECK:STDOUT:   %.loc13_30.5: ref %C = temporary %.loc13_30.2, %.loc13_30.4
+// CHECK:STDOUT:   %.loc13_30.5: ref %C = temporary %.loc13_30.2, %.loc13_30.4 [concrete = constants.%.5ea]
 // CHECK:STDOUT:   %.loc13_30.6: %C = acquire_value %.loc13_30.5
 // CHECK:STDOUT:   %F.call: init %empty_tuple.type = call %F.specific_fn(%.loc13_8.3, %.loc13_30.6)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc13_30: <bound method> = bound_method %.loc13_30.5, constants.%Destroy.Op.651ba6.1
-// CHECK:STDOUT:   %Destroy.Op.call.loc13_30: init %empty_tuple.type = call %Destroy.Op.bound.loc13_30(%.loc13_30.5)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc13_8: <bound method> = bound_method %.loc13_8.2, constants.%Destroy.Op.651ba6.2
-// CHECK:STDOUT:   %Destroy.Op.call.loc13_8: init %empty_tuple.type = call %Destroy.Op.bound.loc13_8(%.loc13_8.2)
 // CHECK:STDOUT:   return
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -351,12 +345,10 @@ fn G() {
 // CHECK:STDOUT:   %pattern_type.4e6: type = pattern_type %HoldsType.673 [concrete]
 // CHECK:STDOUT:   %pattern_type.7c7: type = pattern_type %C [concrete]
 // CHECK:STDOUT:   %F.specific_fn: <specific function> = specific_function %F, @F(%struct) [concrete]
+// CHECK:STDOUT:   %.41d: ref %HoldsType.673 = temporary invalid, %HoldsType.val [concrete]
 // CHECK:STDOUT:   %C.val: %C = struct_value () [concrete]
+// CHECK:STDOUT:   %.5ea: ref %C = temporary invalid, %C.val [concrete]
 // CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type.bae255.1: type = fn_type @Destroy.Op.loc13_33 [concrete]
-// CHECK:STDOUT:   %Destroy.Op.651ba6.1: %Destroy.Op.type.bae255.1 = struct_value () [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type.bae255.2: type = fn_type @Destroy.Op.loc13_8 [concrete]
-// CHECK:STDOUT:   %Destroy.Op.651ba6.2: %Destroy.Op.type.bae255.2 = struct_value () [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -472,18 +464,14 @@ fn G() {
 // CHECK:STDOUT:   %.loc13_8.1: init %HoldsType.673 = converted %.loc13_6.1, %.loc13_6.3 [concrete = constants.%HoldsType.val]
 // CHECK:STDOUT:   %.loc13_33.1: %empty_struct_type = struct_literal () [concrete = constants.%empty_struct]
 // CHECK:STDOUT:   %F.specific_fn: <specific function> = specific_function %F.ref, @F(constants.%struct) [concrete = constants.%F.specific_fn]
-// CHECK:STDOUT:   %.loc13_8.2: ref %HoldsType.673 = temporary %.loc13_6.2, %.loc13_8.1
+// CHECK:STDOUT:   %.loc13_8.2: ref %HoldsType.673 = temporary %.loc13_6.2, %.loc13_8.1 [concrete = constants.%.41d]
 // CHECK:STDOUT:   %.loc13_8.3: %HoldsType.673 = acquire_value %.loc13_8.2
 // CHECK:STDOUT:   %.loc13_33.2: ref %C = temporary_storage
 // CHECK:STDOUT:   %.loc13_33.3: init %C to %.loc13_33.2 = class_init () [concrete = constants.%C.val]
 // CHECK:STDOUT:   %.loc13_33.4: init %C = converted %.loc13_33.1, %.loc13_33.3 [concrete = constants.%C.val]
-// CHECK:STDOUT:   %.loc13_33.5: ref %C = temporary %.loc13_33.2, %.loc13_33.4
+// CHECK:STDOUT:   %.loc13_33.5: ref %C = temporary %.loc13_33.2, %.loc13_33.4 [concrete = constants.%.5ea]
 // CHECK:STDOUT:   %.loc13_33.6: %C = acquire_value %.loc13_33.5
 // CHECK:STDOUT:   %F.call: init %empty_tuple.type = call %F.specific_fn(%.loc13_8.3, %.loc13_33.6)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc13_33: <bound method> = bound_method %.loc13_33.5, constants.%Destroy.Op.651ba6.1
-// CHECK:STDOUT:   %Destroy.Op.call.loc13_33: init %empty_tuple.type = call %Destroy.Op.bound.loc13_33(%.loc13_33.5)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc13_8: <bound method> = bound_method %.loc13_8.2, constants.%Destroy.Op.651ba6.2
-// CHECK:STDOUT:   %Destroy.Op.call.loc13_8: init %empty_tuple.type = call %Destroy.Op.bound.loc13_8(%.loc13_8.2)
 // CHECK:STDOUT:   return
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -535,7 +523,6 @@ fn G() {
 // CHECK:STDOUT:   %pattern_type.904: type = pattern_type %Class [concrete]
 // CHECK:STDOUT:   %T.d7d: %Class = symbolic_binding T, 0 [symbolic]
 // CHECK:STDOUT:   %HoldsType.type: type = generic_class_type @HoldsType [concrete]
-// CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
 // CHECK:STDOUT:   %HoldsType.generic: %HoldsType.type = struct_value () [concrete]
 // CHECK:STDOUT:   %HoldsType.47b504.1: type = class_type @HoldsType, @HoldsType(%T.d7d) [symbolic]
 // CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
@@ -565,9 +552,8 @@ fn G() {
 // CHECK:STDOUT:   %type.as.Copy.impl.Op: %type.as.Copy.impl.Op.type = struct_value () [concrete]
 // CHECK:STDOUT:   %type.as.Copy.impl.Op.bound: <bound method> = bound_method %C, %type.as.Copy.impl.Op [concrete]
 // CHECK:STDOUT:   %Class.val: %Class = struct_value (%C) [concrete]
+// CHECK:STDOUT:   %.2e2: ref %Class = temporary invalid, %Class.val [concrete]
 // CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -729,10 +715,8 @@ fn G() {
 // CHECK:STDOUT:   %.loc37_12.4: init type to %.loc37_12.3 = in_place_init %type.as.Copy.impl.Op.call [concrete = constants.%C]
 // CHECK:STDOUT:   %.loc37_12.5: init %Class to %.loc37_12.2 = class_init (%.loc37_12.4) [concrete = constants.%Class.val]
 // CHECK:STDOUT:   %.loc37_13.1: init %Class = converted %.loc37_12.1, %.loc37_12.5 [concrete = constants.%Class.val]
-// CHECK:STDOUT:   %.loc37_13.2: ref %Class = temporary %.loc37_12.2, %.loc37_13.1
+// CHECK:STDOUT:   %.loc37_13.2: ref %Class = temporary %.loc37_12.2, %.loc37_13.1 [concrete = constants.%.2e2]
 // CHECK:STDOUT:   %.loc37_13.3: %Class = acquire_value %.loc37_13.2
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc37_13.2, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc37_13.2)
 // CHECK:STDOUT:   return
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -771,7 +755,6 @@ fn G() {
 // CHECK:STDOUT:   %pattern_type.dcb: type = pattern_type %array_type [concrete]
 // CHECK:STDOUT:   %T.9b7: %array_type = symbolic_binding T, 0 [symbolic]
 // CHECK:STDOUT:   %HoldsType.type: type = generic_class_type @HoldsType [concrete]
-// CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
 // CHECK:STDOUT:   %HoldsType.generic: %HoldsType.type = struct_value () [concrete]
 // CHECK:STDOUT:   %HoldsType: type = class_type @HoldsType, @HoldsType(%T.9b7) [symbolic]
 // CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
@@ -816,9 +799,8 @@ fn G() {
 // CHECK:STDOUT:   %type.as.Copy.impl.Op: %type.as.Copy.impl.Op.type = struct_value () [concrete]
 // CHECK:STDOUT:   %type.as.Copy.impl.Op.bound: <bound method> = bound_method %C, %type.as.Copy.impl.Op [concrete]
 // CHECK:STDOUT:   %array: %array_type = tuple_value (%C) [concrete]
+// CHECK:STDOUT:   %.296: ref %array_type = temporary invalid, %array [concrete]
 // CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -957,11 +939,9 @@ fn G() {
 // CHECK:STDOUT:   %.loc24_25.4: init type to %.loc24_25.3 = in_place_init %type.as.Copy.impl.Op.call [concrete = constants.%C]
 // CHECK:STDOUT:   %.loc24_25.5: init %array_type to %.loc24_25.2 = array_init (%.loc24_25.4) [concrete = constants.%array]
 // CHECK:STDOUT:   %.loc24_27.1: init %array_type = converted %.loc24_25.1, %.loc24_25.5 [concrete = constants.%array]
-// CHECK:STDOUT:   %.loc24_27.2: ref %array_type = temporary %.loc24_25.2, %.loc24_27.1
+// CHECK:STDOUT:   %.loc24_27.2: ref %array_type = temporary %.loc24_25.2, %.loc24_27.1 [concrete = constants.%.296]
 // CHECK:STDOUT:   %.loc24_27.3: %array_type = acquire_value %.loc24_27.2
 // CHECK:STDOUT:   %.loc24_48: %empty_struct_type = struct_literal () [concrete = constants.%empty_struct]
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc24_27.2, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc24_27.2)
 // CHECK:STDOUT:   return
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
diff --git a/toolchain/check/testdata/eval/aggregates.carbon b/toolchain/check/testdata/eval/aggregates.carbon
index 6000614830cf..0b8d69699763 100644
--- a/toolchain/check/testdata/eval/aggregates.carbon
+++ b/toolchain/check/testdata/eval/aggregates.carbon
@@ -389,6 +389,7 @@ fn G(N:! i32) {
 // CHECK:STDOUT:   %bound_method.661: <bound method> = bound_method %int_9.988, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
 // CHECK:STDOUT:   %int_9.f88: %i32 = int_value 9 [concrete]
 // CHECK:STDOUT:   %array: %array_type.f32 = tuple_value (%int_5.0f6, %int_7.0b1, %int_1.5d2, %int_9.f88) [concrete]
+// CHECK:STDOUT:   %.00e: ref %array_type.f32 = temporary invalid, %array [concrete]
 // CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.4e5: <bound method> = bound_method %int_2.ecc, %Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5 [concrete]
 // CHECK:STDOUT:   %bound_method.646: <bound method> = bound_method %int_2.ecc, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
 // CHECK:STDOUT:   %int_2.ef8: %i32 = int_value 2 [concrete]
@@ -466,7 +467,7 @@ fn G(N:! i32) {
 // CHECK:STDOUT:   %.loc9_65.15: init %array_type.f32 to %.loc9_65.3 = array_init (%.loc9_65.5, %.loc9_65.8, %.loc9_65.11, %.loc9_65.14) [concrete = constants.%array]
 // CHECK:STDOUT:   %.loc9_67.1: init %array_type.f32 = converted %.loc9_65.1, %.loc9_65.15 [concrete = constants.%array]
 // CHECK:STDOUT:   %int_2.loc9_85: Core.IntLiteral = int_value 2 [concrete = constants.%int_2.ecc]
-// CHECK:STDOUT:   %.loc9_67.2: ref %array_type.f32 = temporary %.loc9_65.3, %.loc9_67.1
+// CHECK:STDOUT:   %.loc9_67.2: ref %array_type.f32 = temporary %.loc9_65.3, %.loc9_67.1 [concrete = constants.%.00e]
 // CHECK:STDOUT:   %impl.elem0.loc9_85: %.545 = impl_witness_access constants.%ImplicitAs.impl_witness.6bc, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5]
 // CHECK:STDOUT:   %bound_method.loc9_85.1: <bound method> = bound_method %int_2.loc9_85, %impl.elem0.loc9_85 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.4e5]
 // CHECK:STDOUT:   %specific_fn.loc9_85: <specific function> = specific_function %impl.elem0.loc9_85, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
diff --git a/toolchain/check/testdata/eval/binding.carbon b/toolchain/check/testdata/eval/binding.carbon
index ee9598df53cf..1ec60ee47e80 100644
--- a/toolchain/check/testdata/eval/binding.carbon
+++ b/toolchain/check/testdata/eval/binding.carbon
@@ -115,6 +115,7 @@ let n: array(i32, G()) = (1, 2, 3);
 // CHECK:STDOUT:   %bound_method.646: <bound method> = bound_method %int_2.ecc, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
 // CHECK:STDOUT:   %int_2.ef8: %i32 = int_value 2 [concrete]
 // CHECK:STDOUT:   %array: %array_type = tuple_value (%int_1.5d2, %int_2.ef8, %int_3.822) [concrete]
+// CHECK:STDOUT:   %.fd3: ref %array_type = temporary invalid, %array [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -181,7 +182,7 @@ let n: array(i32, G()) = (1, 2, 3);
 // CHECK:STDOUT:   %.loc11_35.10: init %i32 to %.loc11_35.9 = in_place_init %.loc11_35.8 [concrete = constants.%int_3.822]
 // CHECK:STDOUT:   %.loc11_35.11: init %array_type to %.loc11_35.2 = array_init (%.loc11_35.4, %.loc11_35.7, %.loc11_35.10) [concrete = constants.%array]
 // CHECK:STDOUT:   %.loc11_35.12: init %array_type = converted @__global_init.%.loc11, %.loc11_35.11 [concrete = constants.%array]
-// CHECK:STDOUT:   %.loc11_35.13: ref %array_type = temporary %.loc11_35.2, %.loc11_35.12
+// CHECK:STDOUT:   %.loc11_35.13: ref %array_type = temporary %.loc11_35.2, %.loc11_35.12 [concrete = constants.%.fd3]
 // CHECK:STDOUT:   %.loc11_35.14: %array_type = acquire_value %.loc11_35.13
 // CHECK:STDOUT:   %n: %array_type = value_binding n, %.loc11_35.14
 // CHECK:STDOUT: }
diff --git a/toolchain/check/testdata/eval/call.carbon b/toolchain/check/testdata/eval/call.carbon
index 25e89211126f..37bbeda59e83 100644
--- a/toolchain/check/testdata/eval/call.carbon
+++ b/toolchain/check/testdata/eval/call.carbon
@@ -184,7 +184,6 @@ fn H() {
 // CHECK:STDOUT:
 // CHECK:STDOUT: constants {
 // CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
-// CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
 // CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
 // CHECK:STDOUT:   %tuple.type.189: type = tuple_type (%i32, %i32, %i32) [concrete]
 // CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
@@ -193,8 +192,7 @@ fn H() {
 // CHECK:STDOUT:   %int_2.ef8: %i32 = int_value 2 [concrete]
 // CHECK:STDOUT:   %int_3.822: %i32 = int_value 3 [concrete]
 // CHECK:STDOUT:   %tuple.ee6: %tuple.type.189 = tuple_value (%int_1.5d2, %int_2.ef8, %int_3.822) [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
+// CHECK:STDOUT:   %.43f: ref %tuple.type.189 = temporary invalid, %tuple.ee6 [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: fn @G() {
@@ -202,9 +200,7 @@ fn H() {
 // CHECK:STDOUT:   %F.ref: %F.type = name_ref F, file.%F.decl [concrete = constants.%F]
 // CHECK:STDOUT:   %.loc8_5.1: ref %tuple.type.189 = temporary_storage
 // CHECK:STDOUT:   %F.call: init %tuple.type.189 to %.loc8_5.1 = call %F.ref() [concrete = constants.%tuple.ee6]
-// CHECK:STDOUT:   %.loc8_5.2: ref %tuple.type.189 = temporary %.loc8_5.1, %F.call
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc8_5.2, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc8_5.2)
+// CHECK:STDOUT:   %.loc8_5.2: ref %tuple.type.189 = temporary %.loc8_5.1, %F.call [concrete = constants.%.43f]
 // CHECK:STDOUT:   <elided>
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -260,7 +256,6 @@ fn H() {
 // CHECK:STDOUT:
 // CHECK:STDOUT: constants {
 // CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
-// CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
 // CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
 // CHECK:STDOUT:   %tuple.type.ff9: type = tuple_type (type, type, type) [concrete]
 // CHECK:STDOUT:   %tuple.e64: %tuple.type.ff9 = tuple_value (%i32, %i32, %i32) [concrete]
@@ -297,8 +292,6 @@ fn H() {
 // CHECK:STDOUT:   %tuple.ee6: %tuple.type.189 = tuple_value (%int_1.5d2, %int_2.ef8, %int_3.822) [concrete]
 // CHECK:STDOUT:   %tuple.type.f94: type = tuple_type (Core.IntLiteral, Core.IntLiteral) [concrete]
 // CHECK:STDOUT:   %tuple.ad8: %tuple.type.f94 = tuple_value (%int_1.5b8, %int_2.ecc) [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -370,8 +363,6 @@ fn H() {
 // CHECK:STDOUT:   assign %a.var, <error>
 // CHECK:STDOUT:   <elided>
 // CHECK:STDOUT:   %a: ref <error> = ref_binding a, <error> [concrete = <error>]
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc17_32.2, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc17_32.2)
 // CHECK:STDOUT:   <elided>
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -385,14 +376,12 @@ fn H() {
 // CHECK:STDOUT:   %.a69: Core.Form = init_form %C [concrete]
 // CHECK:STDOUT:   %pattern_type.7c7: type = pattern_type %C [concrete]
 // CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
-// CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
 // CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
 // CHECK:STDOUT:   %empty_struct: %empty_struct_type = struct_value () [concrete]
 // CHECK:STDOUT:   %C.val: %C = struct_value () [concrete]
 // CHECK:STDOUT:   %G.type: type = fn_type @G [concrete]
 // CHECK:STDOUT:   %G: %G.type = struct_value () [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
+// CHECK:STDOUT:   %.5ea: ref %C = temporary invalid, %C.val [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: file {
@@ -421,10 +410,8 @@ fn H() {
 // CHECK:STDOUT:   %F.ref: %F.type = name_ref F, file.%F.decl [concrete = constants.%F]
 // CHECK:STDOUT:   %.loc21_7.1: ref %C = temporary_storage
 // CHECK:STDOUT:   %F.call: init %C to %.loc21_7.1 = call %F.ref() [concrete = constants.%C.val]
-// CHECK:STDOUT:   %.loc21_7.2: ref %C = temporary %.loc21_7.1, %F.call
+// CHECK:STDOUT:   %.loc21_7.2: ref %C = temporary %.loc21_7.1, %F.call [concrete = constants.%.5ea]
 // CHECK:STDOUT:   %.loc21_7.3: %C = acquire_value %.loc21_7.2
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc21_7.2, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc21_7.2)
 // CHECK:STDOUT:   <elided>
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
diff --git a/toolchain/check/testdata/facet/call_combined_impl_witness.carbon b/toolchain/check/testdata/facet/call_combined_impl_witness.carbon
index 6a9ac07b7a5b..51ca33a8250a 100644
--- a/toolchain/check/testdata/facet/call_combined_impl_witness.carbon
+++ b/toolchain/check/testdata/facet/call_combined_impl_witness.carbon
@@ -127,9 +127,8 @@ fn F() {
 // CHECK:STDOUT:   %facet_value: %facet_type.dc7 = facet_value %C, (%Empty.impl_witness, %A.impl_witness, %B.impl_witness) [concrete]
 // CHECK:STDOUT:   %pattern_type.7c7: type = pattern_type %C [concrete]
 // CHECK:STDOUT:   %G.specific_fn: <specific function> = specific_function %G, @G(%facet_value) [concrete]
+// CHECK:STDOUT:   %.5ea: ref %C = temporary invalid, %C.val [concrete]
 // CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
 // CHECK:STDOUT:   %.171: type = fn_type_with_self_type %A.WithSelf.AA.type.6ff, %A.facet.34f [concrete]
 // CHECK:STDOUT:   %.e04: type = fn_type_with_self_type %B.WithSelf.BB.type.f5e, %B.facet.e93 [concrete]
 // CHECK:STDOUT: }
@@ -387,11 +386,9 @@ fn F() {
 // CHECK:STDOUT:   %facet_value: %facet_type.dc7 = facet_value constants.%C, (constants.%Empty.impl_witness, constants.%A.impl_witness, constants.%B.impl_witness) [concrete = constants.%facet_value]
 // CHECK:STDOUT:   %.loc45_12: %facet_type.dc7 = converted constants.%C, %facet_value [concrete = constants.%facet_value]
 // CHECK:STDOUT:   %G.specific_fn: <specific function> = specific_function %G.ref, @G(constants.%facet_value) [concrete = constants.%G.specific_fn]
-// CHECK:STDOUT:   %.loc45_8.2: ref %C = temporary %.loc45_6.2, %.loc45_8.1
+// CHECK:STDOUT:   %.loc45_8.2: ref %C = temporary %.loc45_6.2, %.loc45_8.1 [concrete = constants.%.5ea]
 // CHECK:STDOUT:   %.loc45_8.3: %C = acquire_value %.loc45_8.2
 // CHECK:STDOUT:   %G.call: init %empty_tuple.type = call %G.specific_fn(%.loc45_8.3)
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc45_8.2, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc45_8.2)
 // CHECK:STDOUT:   return
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
diff --git a/toolchain/check/testdata/facet/convert_class_type_to_generic_facet_value.carbon b/toolchain/check/testdata/facet/convert_class_type_to_generic_facet_value.carbon
index b93c358ad462..59325f0bca0a 100644
--- a/toolchain/check/testdata/facet/convert_class_type_to_generic_facet_value.carbon
+++ b/toolchain/check/testdata/facet/convert_class_type_to_generic_facet_value.carbon
@@ -457,9 +457,8 @@ fn G() {
 // CHECK:STDOUT:   %pattern_type.cba: type = pattern_type %Generic.type.498 [concrete]
 // CHECK:STDOUT:   %pattern_type.27a: type = pattern_type %GenericParam [concrete]
 // CHECK:STDOUT:   %CallGenericMethod.specific_fn: <specific function> = specific_function %CallGenericMethod, @CallGenericMethod(%GenericParam, %Generic.facet) [concrete]
+// CHECK:STDOUT:   %.601: ref %GenericParam = temporary invalid, %GenericParam.val [concrete]
 // CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -610,11 +609,9 @@ fn G() {
 // CHECK:STDOUT:   %Generic.facet: %Generic.type.498 = facet_value constants.%ImplsGeneric, (constants.%Generic.impl_witness) [concrete = constants.%Generic.facet]
 // CHECK:STDOUT:   %.loc18_53: %Generic.type.498 = converted constants.%ImplsGeneric, %Generic.facet [concrete = constants.%Generic.facet]
 // CHECK:STDOUT:   %CallGenericMethod.specific_fn: <specific function> = specific_function %CallGenericMethod.ref, @CallGenericMethod(constants.%GenericParam, constants.%Generic.facet) [concrete = constants.%CallGenericMethod.specific_fn]
-// CHECK:STDOUT:   %.loc18_38.2: ref %GenericParam = temporary %.loc18_36.2, %.loc18_38.1
+// CHECK:STDOUT:   %.loc18_38.2: ref %GenericParam = temporary %.loc18_36.2, %.loc18_38.1 [concrete = constants.%.601]
 // CHECK:STDOUT:   %.loc18_38.3: %GenericParam = acquire_value %.loc18_38.2
 // CHECK:STDOUT:   %CallGenericMethod.call: init %empty_tuple.type = call %CallGenericMethod.specific_fn(%.loc18_38.3)
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc18_38.2, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc18_38.2)
 // CHECK:STDOUT:   return
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
diff --git a/toolchain/check/testdata/facet/convert_class_value_to_facet_value_value.carbon b/toolchain/check/testdata/facet/convert_class_value_to_facet_value_value.carbon
index 96264a0af82a..e3e713bc265c 100644
--- a/toolchain/check/testdata/facet/convert_class_value_to_facet_value_value.carbon
+++ b/toolchain/check/testdata/facet/convert_class_value_to_facet_value_value.carbon
@@ -49,9 +49,8 @@ fn F() {
 // CHECK:STDOUT:   %Goat.val: %Goat = struct_value () [concrete]
 // CHECK:STDOUT:   %pattern_type.234: type = pattern_type %Goat [concrete]
 // CHECK:STDOUT:   %WalkAnimal.specific_fn: <specific function> = specific_function %WalkAnimal, @WalkAnimal(%Animal.facet) [concrete]
+// CHECK:STDOUT:   %.aec: ref %Goat = temporary invalid, %Goat.val [concrete]
 // CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -151,11 +150,9 @@ fn F() {
 // CHECK:STDOUT:   %Animal.facet: %Animal.type = facet_value constants.%Goat, (constants.%Animal.impl_witness) [concrete = constants.%Animal.facet]
 // CHECK:STDOUT:   %.loc23_24: %Animal.type = converted constants.%Goat, %Animal.facet [concrete = constants.%Animal.facet]
 // CHECK:STDOUT:   %WalkAnimal.specific_fn: <specific function> = specific_function %WalkAnimal.ref, @WalkAnimal(constants.%Animal.facet) [concrete = constants.%WalkAnimal.specific_fn]
-// CHECK:STDOUT:   %.loc23_17.2: ref %Goat = temporary %.loc23_15.2, %.loc23_17.1
+// CHECK:STDOUT:   %.loc23_17.2: ref %Goat = temporary %.loc23_15.2, %.loc23_17.1 [concrete = constants.%.aec]
 // CHECK:STDOUT:   %.loc23_17.3: %Goat = acquire_value %.loc23_17.2
 // CHECK:STDOUT:   %WalkAnimal.call: init %empty_tuple.type = call %WalkAnimal.specific_fn(%.loc23_17.3)
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc23_17.2, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc23_17.2)
 // CHECK:STDOUT:   return
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
diff --git a/toolchain/check/testdata/facet/convert_class_value_to_generic_facet_value_value.carbon b/toolchain/check/testdata/facet/convert_class_value_to_generic_facet_value_value.carbon
index eddd9483f3d7..0d12b4e5b8f4 100644
--- a/toolchain/check/testdata/facet/convert_class_value_to_generic_facet_value_value.carbon
+++ b/toolchain/check/testdata/facet/convert_class_value_to_generic_facet_value_value.carbon
@@ -158,11 +158,9 @@ fn B() {
 // CHECK:STDOUT:   %pattern_type.4da: type = pattern_type %ImplsGeneric [concrete]
 // CHECK:STDOUT:   %pattern_type.27a: type = pattern_type %GenericParam [concrete]
 // CHECK:STDOUT:   %CallGenericMethod.specific_fn: <specific function> = specific_function %CallGenericMethod, @CallGenericMethod(%GenericParam, %Generic.facet) [concrete]
+// CHECK:STDOUT:   %.80a: ref %ImplsGeneric = temporary invalid, %ImplsGeneric.val [concrete]
+// CHECK:STDOUT:   %.601: ref %GenericParam = temporary invalid, %GenericParam.val [concrete]
 // CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type.bae255.1: type = fn_type @Destroy.Op.loc20_44 [concrete]
-// CHECK:STDOUT:   %Destroy.Op.651ba6.1: %Destroy.Op.type.bae255.1 = struct_value () [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type.bae255.2: type = fn_type @Destroy.Op.loc20_24 [concrete]
-// CHECK:STDOUT:   %Destroy.Op.651ba6.2: %Destroy.Op.type.bae255.2 = struct_value () [concrete]
 // CHECK:STDOUT:   %complete_type.57a: <witness> = complete_type_witness %Generic.type.498 [concrete]
 // CHECK:STDOUT:   %.fcf: type = fn_type_with_self_type %Generic.WithSelf.F.type.c86, %Generic.facet [concrete]
 // CHECK:STDOUT: }
@@ -347,15 +345,11 @@ fn B() {
 // CHECK:STDOUT:   %Generic.facet: %Generic.type.498 = facet_value constants.%ImplsGeneric, (constants.%Generic.impl_witness) [concrete = constants.%Generic.facet]
 // CHECK:STDOUT:   %.loc20_59: %Generic.type.498 = converted constants.%ImplsGeneric, %Generic.facet [concrete = constants.%Generic.facet]
 // CHECK:STDOUT:   %CallGenericMethod.specific_fn: <specific function> = specific_function %CallGenericMethod.ref, @CallGenericMethod(constants.%GenericParam, constants.%Generic.facet) [concrete = constants.%CallGenericMethod.specific_fn]
-// CHECK:STDOUT:   %.loc20_24.2: ref %ImplsGeneric = temporary %.loc20_22.2, %.loc20_24.1
+// CHECK:STDOUT:   %.loc20_24.2: ref %ImplsGeneric = temporary %.loc20_22.2, %.loc20_24.1 [concrete = constants.%.80a]
 // CHECK:STDOUT:   %.loc20_24.3: %ImplsGeneric = acquire_value %.loc20_24.2
-// CHECK:STDOUT:   %.loc20_44.2: ref %GenericParam = temporary %.loc20_42.2, %.loc20_44.1
+// CHECK:STDOUT:   %.loc20_44.2: ref %GenericParam = temporary %.loc20_42.2, %.loc20_44.1 [concrete = constants.%.601]
 // CHECK:STDOUT:   %.loc20_44.3: %GenericParam = acquire_value %.loc20_44.2
 // CHECK:STDOUT:   %CallGenericMethod.call: init %empty_tuple.type = call %CallGenericMethod.specific_fn(%.loc20_24.3, %.loc20_44.3)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc20_44: <bound method> = bound_method %.loc20_44.2, constants.%Destroy.Op.651ba6.1
-// CHECK:STDOUT:   %Destroy.Op.call.loc20_44: init %empty_tuple.type = call %Destroy.Op.bound.loc20_44(%.loc20_44.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc20_24: <bound method> = bound_method %.loc20_24.2, constants.%Destroy.Op.651ba6.2
-// CHECK:STDOUT:   %Destroy.Op.call.loc20_24: init %empty_tuple.type = call %Destroy.Op.bound.loc20_24(%.loc20_24.2)
 // CHECK:STDOUT:   return
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -508,9 +502,8 @@ fn B() {
 // CHECK:STDOUT:   %I.facet.0e1: %I.type.5f7 = facet_value %C, (%I.impl_witness.1c4) [concrete]
 // CHECK:STDOUT:   %pattern_type.7c7: type = pattern_type %C [concrete]
 // CHECK:STDOUT:   %A.specific_fn: <specific function> = specific_function %A, @A(%I.facet.0e1) [concrete]
+// CHECK:STDOUT:   %.5ea: ref %C = temporary invalid, %C.val [concrete]
 // CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -658,11 +651,9 @@ fn B() {
 // CHECK:STDOUT:   %I.facet: %I.type.5f7 = facet_value constants.%C, (constants.%I.impl_witness.1c4) [concrete = constants.%I.facet.0e1]
 // CHECK:STDOUT:   %.loc12_12: %I.type.5f7 = converted constants.%C, %I.facet [concrete = constants.%I.facet.0e1]
 // CHECK:STDOUT:   %A.specific_fn: <specific function> = specific_function %A.ref, @A(constants.%I.facet.0e1) [concrete = constants.%A.specific_fn]
-// CHECK:STDOUT:   %.loc12_8.2: ref %C = temporary %.loc12_6.2, %.loc12_8.1
+// CHECK:STDOUT:   %.loc12_8.2: ref %C = temporary %.loc12_6.2, %.loc12_8.1 [concrete = constants.%.5ea]
 // CHECK:STDOUT:   %.loc12_8.3: %C = acquire_value %.loc12_8.2
 // CHECK:STDOUT:   %A.call: init %empty_tuple.type = call %A.specific_fn(%.loc12_8.3)
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc12_8.2, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc12_8.2)
 // CHECK:STDOUT:   return
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
diff --git a/toolchain/check/testdata/facet/convert_facet_value_as_type_knows_original_type.carbon b/toolchain/check/testdata/facet/convert_facet_value_as_type_knows_original_type.carbon
index 178aa68d0dfb..f9df0b0b3e75 100644
--- a/toolchain/check/testdata/facet/convert_facet_value_as_type_knows_original_type.carbon
+++ b/toolchain/check/testdata/facet/convert_facet_value_as_type_knows_original_type.carbon
@@ -146,9 +146,8 @@ fn F[A:! J, B:! A](x: C(A, B)) {
 // CHECK:STDOUT:   %pattern_type.234: type = pattern_type %Goat [concrete]
 // CHECK:STDOUT:   %empty_struct: %empty_struct_type = struct_value () [concrete]
 // CHECK:STDOUT:   %Goat.val: %Goat = struct_value () [concrete]
+// CHECK:STDOUT:   %.aec: ref %Goat = temporary invalid, %Goat.val [concrete]
 // CHECK:STDOUT:   %.35f: type = fn_type_with_self_type %Eats.WithSelf.Eat.type.b4d, %Eats.facet [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: fn @F() {
@@ -169,7 +168,7 @@ fn F[A:! J, B:! A](x: C(A, B)) {
 // CHECK:STDOUT:     %as_type.loc22: type = facet_access_type %.loc22_15.2 [concrete = constants.%Goat]
 // CHECK:STDOUT:     %.loc22_15.3: type = converted %.loc22_15.2, %as_type.loc22 [concrete = constants.%Goat]
 // CHECK:STDOUT:   }
-// CHECK:STDOUT:   %.loc22_30.2: ref %Goat = temporary %.loc22_28.2, %.loc22_30.1
+// CHECK:STDOUT:   %.loc22_30.2: ref %Goat = temporary %.loc22_28.2, %.loc22_30.1 [concrete = constants.%.aec]
 // CHECK:STDOUT:   %.loc22_30.3: %Goat = acquire_value %.loc22_30.2
 // CHECK:STDOUT:   %x: %Goat = value_binding x, %.loc22_30.3
 // CHECK:STDOUT:   %x.ref.loc23: %Goat = name_ref x, %x
@@ -190,7 +189,7 @@ fn F[A:! J, B:! A](x: C(A, B)) {
 // CHECK:STDOUT:   %.loc26_26: %Animal.type = converted %Goat.ref.loc26_21, %Animal.facet.loc26 [concrete = constants.%Animal.facet]
 // CHECK:STDOUT:   %as_type.loc26: type = facet_access_type %.loc26_26 [concrete = constants.%Goat]
 // CHECK:STDOUT:   %.loc26_35: type = converted %.loc26_26, %as_type.loc26 [concrete = constants.%Goat]
-// CHECK:STDOUT:   %.loc26_8.2: ref %Goat = temporary %.loc26_6.2, %.loc26_8.1
+// CHECK:STDOUT:   %.loc26_8.2: ref %Goat = temporary %.loc26_6.2, %.loc26_8.1 [concrete = constants.%.aec]
 // CHECK:STDOUT:   %Bleet.ref.loc26: %Goat.Bleet.type = name_ref Bleet, @Goat.%Goat.Bleet.decl [concrete = constants.%Goat.Bleet]
 // CHECK:STDOUT:   %Goat.Bleet.call.loc26: init %empty_tuple.type = call %Bleet.ref.loc26()
 // CHECK:STDOUT:   %.loc27_6.1: %empty_struct_type = struct_literal () [concrete = constants.%empty_struct]
@@ -204,16 +203,10 @@ fn F[A:! J, B:! A](x: C(A, B)) {
 // CHECK:STDOUT:   %.loc27_26: %Animal.type = converted %Goat.ref.loc27_21, %Animal.facet.loc27 [concrete = constants.%Animal.facet]
 // CHECK:STDOUT:   %as_type.loc27: type = facet_access_type %.loc27_26 [concrete = constants.%Goat]
 // CHECK:STDOUT:   %.loc27_35: type = converted %.loc27_26, %as_type.loc27 [concrete = constants.%Goat]
-// CHECK:STDOUT:   %.loc27_8.2: ref %Goat = temporary %.loc27_6.2, %.loc27_8.1
+// CHECK:STDOUT:   %.loc27_8.2: ref %Goat = temporary %.loc27_6.2, %.loc27_8.1 [concrete = constants.%.aec]
 // CHECK:STDOUT:   %Eat.ref.loc27: %Eats.assoc_type = name_ref Eat, @Eats.WithSelf.%assoc0 [concrete = constants.%assoc0.083]
 // CHECK:STDOUT:   %impl.elem0.loc27: %.35f = impl_witness_access constants.%Eats.impl_witness, element0 [concrete = constants.%Goat.as.Eats.impl.Eat]
 // CHECK:STDOUT:   %Goat.as.Eats.impl.Eat.call.loc27: init %empty_tuple.type = call %impl.elem0.loc27()
-// CHECK:STDOUT:   %Destroy.Op.bound.loc27: <bound method> = bound_method %.loc27_8.2, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call.loc27: init %empty_tuple.type = call %Destroy.Op.bound.loc27(%.loc27_8.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc26: <bound method> = bound_method %.loc26_8.2, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call.loc26: init %empty_tuple.type = call %Destroy.Op.bound.loc26(%.loc26_8.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc22: <bound method> = bound_method %.loc22_30.2, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call.loc22: init %empty_tuple.type = call %Destroy.Op.bound.loc22(%.loc22_30.2)
 // CHECK:STDOUT:   <elided>
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
diff --git a/toolchain/check/testdata/facet/convert_facet_value_value_to_generic_facet_value_value.carbon b/toolchain/check/testdata/facet/convert_facet_value_value_to_generic_facet_value_value.carbon
index e9ef67868916..8b17eb434e4d 100644
--- a/toolchain/check/testdata/facet/convert_facet_value_value_to_generic_facet_value_value.carbon
+++ b/toolchain/check/testdata/facet/convert_facet_value_value_to_generic_facet_value_value.carbon
@@ -109,11 +109,9 @@ fn F() {
 // CHECK:STDOUT:   %pattern_type.234: type = pattern_type %Goat [concrete]
 // CHECK:STDOUT:   %pattern_type.df6: type = pattern_type %Grass [concrete]
 // CHECK:STDOUT:   %HandleAnimal.specific_fn: <specific function> = specific_function %HandleAnimal, @HandleAnimal(%Animal.facet, %Edible.facet) [concrete]
+// CHECK:STDOUT:   %.aec: ref %Goat = temporary invalid, %Goat.val [concrete]
+// CHECK:STDOUT:   %.cf4: ref %Grass = temporary invalid, %Grass.val [concrete]
 // CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type.bae255.1: type = fn_type @Destroy.Op.loc35_31 [concrete]
-// CHECK:STDOUT:   %Destroy.Op.651ba6.1: %Destroy.Op.type.bae255.1 = struct_value () [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type.bae255.2: type = fn_type @Destroy.Op.loc35_19 [concrete]
-// CHECK:STDOUT:   %Destroy.Op.651ba6.2: %Destroy.Op.type.bae255.2 = struct_value () [concrete]
 // CHECK:STDOUT:   %Eats.type.8c2: type = facet_type <@Eats, @Eats(%Grass)> [concrete]
 // CHECK:STDOUT:   %Eats.impl_witness.f54: <witness> = impl_witness @T.binding.as_type.as.Eats.impl.%Eats.impl_witness_table, @T.binding.as_type.as.Eats.impl(%Animal.facet, %Edible.facet) [concrete]
 // CHECK:STDOUT:   %Self.ebd: %Eats.type.8c2 = symbolic_binding Self, 1 [symbolic]
@@ -425,15 +423,11 @@ fn F() {
 // CHECK:STDOUT:   %Edible.facet: %Edible.type = facet_value constants.%Grass, (constants.%Edible.impl_witness) [concrete = constants.%Edible.facet]
 // CHECK:STDOUT:   %.loc35_39.2: %Edible.type = converted constants.%Grass, %Edible.facet [concrete = constants.%Edible.facet]
 // CHECK:STDOUT:   %HandleAnimal.specific_fn: <specific function> = specific_function %HandleAnimal.ref, @HandleAnimal(constants.%Animal.facet, constants.%Edible.facet) [concrete = constants.%HandleAnimal.specific_fn]
-// CHECK:STDOUT:   %.loc35_19.2: ref %Goat = temporary %.loc35_17.2, %.loc35_19.1
+// CHECK:STDOUT:   %.loc35_19.2: ref %Goat = temporary %.loc35_17.2, %.loc35_19.1 [concrete = constants.%.aec]
 // CHECK:STDOUT:   %.loc35_19.3: %Goat = acquire_value %.loc35_19.2
-// CHECK:STDOUT:   %.loc35_31.2: ref %Grass = temporary %.loc35_29.2, %.loc35_31.1
+// CHECK:STDOUT:   %.loc35_31.2: ref %Grass = temporary %.loc35_29.2, %.loc35_31.1 [concrete = constants.%.cf4]
 // CHECK:STDOUT:   %.loc35_31.3: %Grass = acquire_value %.loc35_31.2
 // CHECK:STDOUT:   %HandleAnimal.call: init %empty_tuple.type = call %HandleAnimal.specific_fn(%.loc35_19.3, %.loc35_31.3)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc35_31: <bound method> = bound_method %.loc35_31.2, constants.%Destroy.Op.651ba6.1
-// CHECK:STDOUT:   %Destroy.Op.call.loc35_31: init %empty_tuple.type = call %Destroy.Op.bound.loc35_31(%.loc35_31.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc35_19: <bound method> = bound_method %.loc35_19.2, constants.%Destroy.Op.651ba6.2
-// CHECK:STDOUT:   %Destroy.Op.call.loc35_19: init %empty_tuple.type = call %Destroy.Op.bound.loc35_19(%.loc35_19.2)
 // CHECK:STDOUT:   return
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
diff --git a/toolchain/check/testdata/facet/convert_facet_value_value_to_itself.carbon b/toolchain/check/testdata/facet/convert_facet_value_value_to_itself.carbon
index fc293a29eef3..0cc773f6be5c 100644
--- a/toolchain/check/testdata/facet/convert_facet_value_value_to_itself.carbon
+++ b/toolchain/check/testdata/facet/convert_facet_value_value_to_itself.carbon
@@ -54,9 +54,8 @@ fn F() {
 // CHECK:STDOUT:   %Goat.val: %Goat = struct_value () [concrete]
 // CHECK:STDOUT:   %pattern_type.234: type = pattern_type %Goat [concrete]
 // CHECK:STDOUT:   %HandleAnimal.specific_fn: <specific function> = specific_function %HandleAnimal, @HandleAnimal(%Animal.facet) [concrete]
+// CHECK:STDOUT:   %.aec: ref %Goat = temporary invalid, %Goat.val [concrete]
 // CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
 // CHECK:STDOUT:   %FeedAnimal.specific_fn.cc5: <specific function> = specific_function %FeedAnimal, @FeedAnimal(%Animal.facet) [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -196,11 +195,9 @@ fn F() {
 // CHECK:STDOUT:   %Animal.facet: %Animal.type = facet_value constants.%Goat, (constants.%Animal.impl_witness) [concrete = constants.%Animal.facet]
 // CHECK:STDOUT:   %.loc25_26: %Animal.type = converted constants.%Goat, %Animal.facet [concrete = constants.%Animal.facet]
 // CHECK:STDOUT:   %HandleAnimal.specific_fn: <specific function> = specific_function %HandleAnimal.ref, @HandleAnimal(constants.%Animal.facet) [concrete = constants.%HandleAnimal.specific_fn]
-// CHECK:STDOUT:   %.loc25_19.2: ref %Goat = temporary %.loc25_17.2, %.loc25_19.1
+// CHECK:STDOUT:   %.loc25_19.2: ref %Goat = temporary %.loc25_17.2, %.loc25_19.1 [concrete = constants.%.aec]
 // CHECK:STDOUT:   %.loc25_19.3: %Goat = acquire_value %.loc25_19.2
 // CHECK:STDOUT:   %HandleAnimal.call: init %empty_tuple.type = call %HandleAnimal.specific_fn(%.loc25_19.3)
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc25_19.2, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc25_19.2)
 // CHECK:STDOUT:   return
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
diff --git a/toolchain/check/testdata/for/basic.carbon b/toolchain/check/testdata/for/basic.carbon
index c28c982b0565..00a6743352e2 100644
--- a/toolchain/check/testdata/for/basic.carbon
+++ b/toolchain/check/testdata/for/basic.carbon
@@ -92,16 +92,17 @@ fn Run() {
 // CHECK:STDOUT:   %AfterLoop: %AfterLoop.type = struct_value () [concrete]
 // CHECK:STDOUT:   %empty_struct: %empty_struct_type = struct_value () [concrete]
 // CHECK:STDOUT:   %TrivialRange.val: %TrivialRange = struct_value () [concrete]
+// CHECK:STDOUT:   %.401: ref %TrivialRange = temporary invalid, %TrivialRange.val [concrete]
 // CHECK:STDOUT:   %.ccd: type = fn_type_with_self_type %Iterate.WithSelf.NewCursor.type.a3c, %Iterate.facet [concrete]
+// CHECK:STDOUT:   %TrivialRange.as.Iterate.impl.NewCursor.bound: <bound method> = bound_method %.401, %TrivialRange.as.Iterate.impl.NewCursor.c71f42.2 [concrete]
 // CHECK:STDOUT:   %.827: type = fn_type_with_self_type %Iterate.WithSelf.Next.type.9dc, %Iterate.facet [concrete]
+// CHECK:STDOUT:   %TrivialRange.as.Iterate.impl.Next.bound: <bound method> = bound_method %.401, %TrivialRange.as.Iterate.impl.Next [concrete]
 // CHECK:STDOUT:   %Optional.HasValue.specific_fn: <specific function> = specific_function %Optional.HasValue.4fc, @Optional.HasValue(%Copy.facet) [concrete]
 // CHECK:STDOUT:   %Optional.Get.specific_fn: <specific function> = specific_function %Optional.Get.756, @Optional.Get(%Copy.facet) [concrete]
 // CHECK:STDOUT:   %Destroy.Op.type.bae255.1: type = fn_type @Destroy.Op.loc18_35.1 [concrete]
 // CHECK:STDOUT:   %Destroy.Op.651ba6.1: %Destroy.Op.type.bae255.1 = struct_value () [concrete]
 // CHECK:STDOUT:   %Destroy.Op.type.bae255.2: type = fn_type @Destroy.Op.loc18_35.2 [concrete]
 // CHECK:STDOUT:   %Destroy.Op.651ba6.2: %Destroy.Op.type.bae255.2 = struct_value () [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type.bae255.3: type = fn_type @Destroy.Op.loc18_20 [concrete]
-// CHECK:STDOUT:   %Destroy.Op.651ba6.3: %Destroy.Op.type.bae255.3 = struct_value () [concrete]
 // CHECK:STDOUT:   %empty_tuple.type.as.Copy.impl.Op.type: type = fn_type @empty_tuple.type.as.Copy.impl.Op [concrete]
 // CHECK:STDOUT:   %empty_tuple.type.as.Copy.impl.Op: %empty_tuple.type.as.Copy.impl.Op.type = struct_value () [concrete]
 // CHECK:STDOUT: }
@@ -123,9 +124,9 @@ fn Run() {
 // CHECK:STDOUT:   %.loc18_18.2: ref %TrivialRange = temporary_storage
 // CHECK:STDOUT:   %.loc18_18.3: init %TrivialRange to %.loc18_18.2 = class_init () [concrete = constants.%TrivialRange.val]
 // CHECK:STDOUT:   %.loc18_20.1: init %TrivialRange = converted %.loc18_18.1, %.loc18_18.3 [concrete = constants.%TrivialRange.val]
-// CHECK:STDOUT:   %.loc18_20.2: ref %TrivialRange = temporary %.loc18_18.2, %.loc18_20.1
+// CHECK:STDOUT:   %.loc18_20.2: ref %TrivialRange = temporary %.loc18_18.2, %.loc18_20.1 [concrete = constants.%.401]
 // CHECK:STDOUT:   %impl.elem2: %.ccd = impl_witness_access constants.%Iterate.impl_witness, element2 [concrete = constants.%TrivialRange.as.Iterate.impl.NewCursor.c71f42.2]
-// CHECK:STDOUT:   %bound_method.loc18_35.1: <bound method> = bound_method %.loc18_20.2, %impl.elem2
+// CHECK:STDOUT:   %bound_method.loc18_35.1: <bound method> = bound_method %.loc18_20.2, %impl.elem2 [concrete = constants.%TrivialRange.as.Iterate.impl.NewCursor.bound]
 // CHECK:STDOUT:   %.loc18_20.3: %TrivialRange = acquire_value %.loc18_20.2
 // CHECK:STDOUT:   %NewCursor.ref: %TrivialRange.as.Iterate.impl.NewCursor.type.408fa8.1 = name_ref NewCursor, @TrivialRange.as.Iterate.impl.%TrivialRange.as.Iterate.impl.NewCursor.decl.loc6_39.1 [concrete = constants.%TrivialRange.as.Iterate.impl.NewCursor.c71f42.1]
 // CHECK:STDOUT:   %TrivialRange.as.Iterate.impl.NewCursor.bound: <bound method> = bound_method %.loc18_20.3, %NewCursor.ref
@@ -137,7 +138,7 @@ fn Run() {
 // CHECK:STDOUT: !for.next:
 // CHECK:STDOUT:   %addr: %ptr.843 = addr_of %var
 // CHECK:STDOUT:   %impl.elem3: %.827 = impl_witness_access constants.%Iterate.impl_witness, element3 [concrete = constants.%TrivialRange.as.Iterate.impl.Next]
-// CHECK:STDOUT:   %bound_method.loc18_35.2: <bound method> = bound_method %.loc18_20.2, %impl.elem3
+// CHECK:STDOUT:   %bound_method.loc18_35.2: <bound method> = bound_method %.loc18_20.2, %impl.elem3 [concrete = constants.%TrivialRange.as.Iterate.impl.Next.bound]
 // CHECK:STDOUT:   %.loc18_35.1: ref %Optional.311 = temporary_storage
 // CHECK:STDOUT:   %.loc18_20.4: %TrivialRange = acquire_value %.loc18_20.2
 // CHECK:STDOUT:   %TrivialRange.as.Iterate.impl.Next.call: init %Optional.311 to %.loc18_35.1 = call %bound_method.loc18_35.2(%.loc18_20.4, %addr)
@@ -183,8 +184,6 @@ fn Run() {
 // CHECK:STDOUT:   %Destroy.Op.call.loc18_35.2: init %empty_tuple.type = call %Destroy.Op.bound.loc18_35.2(%.loc18_35.2)
 // CHECK:STDOUT:   %Destroy.Op.bound.loc18_35.3: <bound method> = bound_method %var, constants.%Destroy.Op.651ba6.1
 // CHECK:STDOUT:   %Destroy.Op.call.loc18_35.3: init %empty_tuple.type = call %Destroy.Op.bound.loc18_35.3(%var)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc18_20: <bound method> = bound_method %.loc18_20.2, constants.%Destroy.Op.651ba6.3
-// CHECK:STDOUT:   %Destroy.Op.call.loc18_20: init %empty_tuple.type = call %Destroy.Op.bound.loc18_20(%.loc18_20.2)
 // CHECK:STDOUT:   <elided>
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
diff --git a/toolchain/check/testdata/function/call/form.carbon b/toolchain/check/testdata/function/call/form.carbon
index 8a8703296a53..d88457fc9fe7 100644
--- a/toolchain/check/testdata/function/call/form.carbon
+++ b/toolchain/check/testdata/function/call/form.carbon
@@ -292,8 +292,7 @@ fn F(Form:! Core.Form()) ->? Form;
 // CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn: <specific function> = specific_function %Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5, @Core.IntLiteral.as.ImplicitAs.impl.Convert(%int_32) [concrete]
 // CHECK:STDOUT:   %bound_method: <bound method> = bound_method %int_0.5c6, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
 // CHECK:STDOUT:   %int_0.6a9: %i32 = int_value 0 [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
+// CHECK:STDOUT:   %.eea: ref %i32 = temporary invalid, %int_0.6a9 [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -328,10 +327,8 @@ fn F(Form:! Core.Form()) ->? Form;
 // CHECK:STDOUT:   %bound_method.loc4_7.2: <bound method> = bound_method %int_0, %specific_fn [concrete = constants.%bound_method]
 // CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.call: init %i32 = call %bound_method.loc4_7.2(%int_0) [concrete = constants.%int_0.6a9]
 // CHECK:STDOUT:   %.loc4_7.2: init %i32 = converted %int_0, %Core.IntLiteral.as.ImplicitAs.impl.Convert.call [concrete = constants.%int_0.6a9]
-// CHECK:STDOUT:   %.loc4_7.3: ref %i32 = temporary %.loc4_7.1, %.loc4_7.2
+// CHECK:STDOUT:   %.loc4_7.3: ref %i32 = temporary %.loc4_7.1, %.loc4_7.2 [concrete = constants.%.eea]
 // CHECK:STDOUT:   %F.call: init %empty_tuple.type = call %F.ref(%.loc4_7.3)
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc4_7.3, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc4_7.3)
 // CHECK:STDOUT:   <elided>
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
diff --git a/toolchain/check/testdata/function/generic/deduce.carbon b/toolchain/check/testdata/function/generic/deduce.carbon
index 5db28d6e68fd..6fe676338309 100644
--- a/toolchain/check/testdata/function/generic/deduce.carbon
+++ b/toolchain/check/testdata/function/generic/deduce.carbon
@@ -546,7 +546,6 @@ fn F() {
 // CHECK:STDOUT:   %.cb6: Core.Form = init_form %ptr.e8f [symbolic]
 // CHECK:STDOUT:   %pattern_type.4f4: type = pattern_type %ptr.e8f [symbolic]
 // CHECK:STDOUT:   %ExplicitAndAlsoDeduced.type: type = fn_type @ExplicitAndAlsoDeduced [concrete]
-// CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
 // CHECK:STDOUT:   %ExplicitAndAlsoDeduced: %ExplicitAndAlsoDeduced.type = struct_value () [concrete]
 // CHECK:STDOUT:   %require_complete.944: <witness> = require_complete_type %T [symbolic]
 // CHECK:STDOUT:   %require_complete.ef1: <witness> = require_complete_type %ptr.e8f [symbolic]
@@ -560,9 +559,8 @@ fn F() {
 // CHECK:STDOUT:   %pattern_type.1ab: type = pattern_type %A [concrete]
 // CHECK:STDOUT:   %ExplicitAndAlsoDeduced.specific_fn.1f3: <specific function> = specific_function %ExplicitAndAlsoDeduced, @ExplicitAndAlsoDeduced(%A) [concrete]
 // CHECK:STDOUT:   %A.val: %A = struct_value () [concrete]
+// CHECK:STDOUT:   %.33f: ref %A = temporary invalid, %A.val [concrete]
 // CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
 // CHECK:STDOUT:   %complete_type.8a0: <witness> = complete_type_witness %ptr.643 [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -657,11 +655,9 @@ fn F() {
 // CHECK:STDOUT:   %.loc11_37.2: ref %A = temporary_storage
 // CHECK:STDOUT:   %.loc11_37.3: init %A to %.loc11_37.2 = class_init () [concrete = constants.%A.val]
 // CHECK:STDOUT:   %.loc11_37.4: init %A = converted %.loc11_37.1, %.loc11_37.3 [concrete = constants.%A.val]
-// CHECK:STDOUT:   %.loc11_37.5: ref %A = temporary %.loc11_37.2, %.loc11_37.4
+// CHECK:STDOUT:   %.loc11_37.5: ref %A = temporary %.loc11_37.2, %.loc11_37.4 [concrete = constants.%.33f]
 // CHECK:STDOUT:   %.loc11_37.6: %A = acquire_value %.loc11_37.5
 // CHECK:STDOUT:   %ExplicitAndAlsoDeduced.call: init %ptr.643 = call %ExplicitAndAlsoDeduced.specific_fn(%.loc11_37.6)
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc11_37.5, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc11_37.5)
 // CHECK:STDOUT:   return %ExplicitAndAlsoDeduced.call
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
diff --git a/toolchain/check/testdata/impl/fail_extend_impl_scope.carbon b/toolchain/check/testdata/impl/fail_extend_impl_scope.carbon
index 5f5537884f47..10f7018cd150 100644
--- a/toolchain/check/testdata/impl/fail_extend_impl_scope.carbon
+++ b/toolchain/check/testdata/impl/fail_extend_impl_scope.carbon
@@ -202,14 +202,13 @@ fn F() {
 // CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
 // CHECK:STDOUT:   %empty_struct: %empty_struct_type = struct_value () [concrete]
 // CHECK:STDOUT:   %Point.val: %Point = struct_value () [concrete]
+// CHECK:STDOUT:   %.fcf: ref %Point = temporary invalid, %Point.val [concrete]
 // CHECK:STDOUT:   %type: type = facet_type <type> [concrete]
 // CHECK:STDOUT:   %Point.type.facet: %type = facet_value %Point, () [concrete]
 // CHECK:STDOUT:   %Z.WithSelf.Zero.type.15e: type = fn_type @Z.WithSelf.Zero, @Z.WithSelf(%Point.type.facet) [concrete]
 // CHECK:STDOUT:   %Z.WithSelf.Zero.55b: %Z.WithSelf.Zero.type.15e = struct_value () [concrete]
 // CHECK:STDOUT:   %.c1b: type = fn_type_with_self_type %Z.WithSelf.Zero.type.bb1, %Z.facet [concrete]
 // CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -320,12 +319,10 @@ fn F() {
 // CHECK:STDOUT:   %.loc25_5.2: ref %Point = temporary_storage
 // CHECK:STDOUT:   %.loc25_5.3: init %Point to %.loc25_5.2 = class_init () [concrete = constants.%Point.val]
 // CHECK:STDOUT:   %.loc25_7.1: init %Point = converted %.loc25_5.1, %.loc25_5.3 [concrete = constants.%Point.val]
-// CHECK:STDOUT:   %.loc25_7.2: ref %Point = temporary %.loc25_5.2, %.loc25_7.1
+// CHECK:STDOUT:   %.loc25_7.2: ref %Point = temporary %.loc25_5.2, %.loc25_7.1 [concrete = constants.%.fcf]
 // CHECK:STDOUT:   %Zero.ref: %Z.assoc_type = name_ref Zero, @Z.WithSelf.%assoc0 [concrete = constants.%assoc0.cc0]
 // CHECK:STDOUT:   %impl.elem0: %.c1b = impl_witness_access constants.%Z.impl_witness, element0 [concrete = constants.%Point.as.Z.impl.Zero]
 // CHECK:STDOUT:   %Point.as.Z.impl.Zero.call: init %empty_tuple.type = call %impl.elem0()
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc25_7.2, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc25_7.2)
 // CHECK:STDOUT:   return
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
diff --git a/toolchain/check/testdata/impl/fail_impl_as_scope.carbon b/toolchain/check/testdata/impl/fail_impl_as_scope.carbon
index a37bcf7563ba..a8360581e47f 100644
--- a/toolchain/check/testdata/impl/fail_impl_as_scope.carbon
+++ b/toolchain/check/testdata/impl/fail_impl_as_scope.carbon
@@ -270,9 +270,8 @@ class X {
 // CHECK:STDOUT:   %Point.val: %Point = struct_value () [concrete]
 // CHECK:STDOUT:   %.429: type = fn_type_with_self_type %Z.WithSelf.Method.type.707, %Z.facet [concrete]
 // CHECK:STDOUT:   %Point.as.Z.impl.Method.bound: <bound method> = bound_method %Point.val, %Point.as.Z.impl.Method [concrete]
+// CHECK:STDOUT:   %.fcf: ref %Point = temporary invalid, %Point.val [concrete]
 // CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -457,11 +456,9 @@ class X {
 // CHECK:STDOUT:   %Method.ref: %Z.assoc_type = name_ref Method, @Z.WithSelf.%assoc1 [concrete = constants.%assoc1]
 // CHECK:STDOUT:   %impl.elem1: %.429 = impl_witness_access constants.%Z.impl_witness, element1 [concrete = constants.%Point.as.Z.impl.Method]
 // CHECK:STDOUT:   %bound_method: <bound method> = bound_method %.loc29_7.1, %impl.elem1 [concrete = constants.%Point.as.Z.impl.Method.bound]
-// CHECK:STDOUT:   %.loc29_7.2: ref %Point = temporary %.loc29_5.2, %.loc29_7.1
+// CHECK:STDOUT:   %.loc29_7.2: ref %Point = temporary %.loc29_5.2, %.loc29_7.1 [concrete = constants.%.fcf]
 // CHECK:STDOUT:   %.loc29_7.3: %Point = acquire_value %.loc29_7.2
 // CHECK:STDOUT:   %Point.as.Z.impl.Method.call: init %empty_tuple.type = call %bound_method(%.loc29_7.3)
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc29_7.2, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc29_7.2)
 // CHECK:STDOUT:   return
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
diff --git a/toolchain/check/testdata/impl/import_thunk.carbon b/toolchain/check/testdata/impl/import_thunk.carbon
index e6e298873235..894c5b8dc700 100644
--- a/toolchain/check/testdata/impl/import_thunk.carbon
+++ b/toolchain/check/testdata/impl/import_thunk.carbon
@@ -138,6 +138,7 @@ fn G() {
 // CHECK:STDOUT:   %require_complete: <witness> = require_complete_type %C.c8540f.2 [symbolic]
 // CHECK:STDOUT:   %C.as.I.impl.F.specific_fn: <specific function> = specific_function %C.as.I.impl.F.421e41.1, @C.as.I.impl.F.loc8_24.1(%Y) [symbolic]
 // CHECK:STDOUT:   %C.val: %C.c8540f.2 = struct_value () [symbolic]
+// CHECK:STDOUT:   %.5fa: ref %C.c8540f.2 = temporary invalid, %C.val [symbolic]
 // CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
 // CHECK:STDOUT:   %Self.765: %Destroy.type = symbolic_binding Self, 0 [symbolic]
 // CHECK:STDOUT:   %Destroy.WithSelf.Op.type.cb2: type = fn_type @Destroy.WithSelf.Op, @Destroy.WithSelf(%Self.765) [symbolic]
@@ -149,7 +150,9 @@ fn G() {
 // CHECK:STDOUT:   %Destroy.WithSelf.Op.type.155: type = fn_type @Destroy.WithSelf.Op, @Destroy.WithSelf(%Destroy.facet) [symbolic]
 // CHECK:STDOUT:   %.371: type = fn_type_with_self_type %Destroy.WithSelf.Op.type.155, %Destroy.facet [symbolic]
 // CHECK:STDOUT:   %impl.elem0: %.371 = impl_witness_access %Destroy.lookup_impl_witness, element0 [symbolic]
+// CHECK:STDOUT:   %bound_method.995: <bound method> = bound_method %.5fa, %impl.elem0 [symbolic]
 // CHECK:STDOUT:   %specific_impl_fn: <specific function> = specific_impl_function %impl.elem0, @Destroy.WithSelf.Op(%Destroy.facet) [symbolic]
+// CHECK:STDOUT:   %bound_method.fc8: <bound method> = bound_method %.5fa, %specific_impl_fn [symbolic]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -294,12 +297,15 @@ fn G() {
 // CHECK:STDOUT:   %C: type = class_type @C, @C(%Y) [symbolic = %C (constants.%C.c8540f.2)]
 // CHECK:STDOUT:   %require_complete: <witness> = require_complete_type %C [symbolic = %require_complete (constants.%require_complete)]
 // CHECK:STDOUT:   %C.val: @C.as.I.impl.F.loc8_24.2.%C (%C.c8540f.2) = struct_value () [symbolic = %C.val (constants.%C.val)]
+// CHECK:STDOUT:   %.6: ref @C.as.I.impl.F.loc8_24.2.%C (%C.c8540f.2) = temporary invalid, %C.val [symbolic = %.6 (constants.%.5fa)]
 // CHECK:STDOUT:   %Destroy.lookup_impl_witness: <witness> = lookup_impl_witness %C, @Destroy [symbolic = %Destroy.lookup_impl_witness (constants.%Destroy.lookup_impl_witness)]
 // CHECK:STDOUT:   %Destroy.facet: %Destroy.type = facet_value %C, (%Destroy.lookup_impl_witness) [symbolic = %Destroy.facet (constants.%Destroy.facet)]
 // CHECK:STDOUT:   %Destroy.WithSelf.Op.type: type = fn_type @Destroy.WithSelf.Op, @Destroy.WithSelf(%Destroy.facet) [symbolic = %Destroy.WithSelf.Op.type (constants.%Destroy.WithSelf.Op.type.155)]
-// CHECK:STDOUT:   %.6: type = fn_type_with_self_type %Destroy.WithSelf.Op.type, %Destroy.facet [symbolic = %.6 (constants.%.371)]
-// CHECK:STDOUT:   %impl.elem0.2: @C.as.I.impl.F.loc8_24.2.%.6 (%.371) = impl_witness_access %Destroy.lookup_impl_witness, element0 [symbolic = %impl.elem0.2 (constants.%impl.elem0)]
+// CHECK:STDOUT:   %.7: type = fn_type_with_self_type %Destroy.WithSelf.Op.type, %Destroy.facet [symbolic = %.7 (constants.%.371)]
+// CHECK:STDOUT:   %impl.elem0.2: @C.as.I.impl.F.loc8_24.2.%.7 (%.371) = impl_witness_access %Destroy.lookup_impl_witness, element0 [symbolic = %impl.elem0.2 (constants.%impl.elem0)]
+// CHECK:STDOUT:   %bound_method.3: <bound method> = bound_method %.6, %impl.elem0.2 [symbolic = %bound_method.3 (constants.%bound_method.995)]
 // CHECK:STDOUT:   %specific_impl_fn.2: <specific function> = specific_impl_function %impl.elem0.2, @Destroy.WithSelf.Op(%Destroy.facet) [symbolic = %specific_impl_fn.2 (constants.%specific_impl_fn)]
+// CHECK:STDOUT:   %bound_method.4: <bound method> = bound_method %.6, %specific_impl_fn.2 [symbolic = %bound_method.4 (constants.%bound_method.fc8)]
 // CHECK:STDOUT:
 // CHECK:STDOUT:   fn(%x.param: %empty_struct_type) [thunk @C.as.I.impl.%C.as.I.impl.F.decl.loc8_24.1] {
 // CHECK:STDOUT:   !entry:
@@ -309,14 +315,14 @@ fn G() {
 // CHECK:STDOUT:     %.1: ref @C.as.I.impl.F.loc8_24.2.%C (%C.c8540f.2) = temporary_storage
 // CHECK:STDOUT:     %.2: init @C.as.I.impl.F.loc8_24.2.%C (%C.c8540f.2) to %.1 = class_init () [symbolic = %C.val (constants.%C.val)]
 // CHECK:STDOUT:     %.3: init @C.as.I.impl.F.loc8_24.2.%C (%C.c8540f.2) = converted %x.param, %.2 [symbolic = %C.val (constants.%C.val)]
-// CHECK:STDOUT:     %.4: ref @C.as.I.impl.F.loc8_24.2.%C (%C.c8540f.2) = temporary %.1, %.3
+// CHECK:STDOUT:     %.4: ref @C.as.I.impl.F.loc8_24.2.%C (%C.c8540f.2) = temporary %.1, %.3 [symbolic = %.6 (constants.%.5fa)]
 // CHECK:STDOUT:     %.5: @C.as.I.impl.F.loc8_24.2.%C (%C.c8540f.2) = acquire_value %.4
 // CHECK:STDOUT:     %C.as.I.impl.F.call: init %empty_tuple.type = call %C.as.I.impl.F.specific_fn.loc8_24.1(%.5)
 // CHECK:STDOUT:     %Op.ref: %Destroy.assoc_type = name_ref Op, imports.%Core.import_ref.06b [concrete = constants.%assoc0]
-// CHECK:STDOUT:     %impl.elem0.1: @C.as.I.impl.F.loc8_24.2.%.6 (%.371) = impl_witness_access constants.%Destroy.lookup_impl_witness, element0 [symbolic = %impl.elem0.2 (constants.%impl.elem0)]
-// CHECK:STDOUT:     %bound_method.1: <bound method> = bound_method %.4, %impl.elem0.1
+// CHECK:STDOUT:     %impl.elem0.1: @C.as.I.impl.F.loc8_24.2.%.7 (%.371) = impl_witness_access constants.%Destroy.lookup_impl_witness, element0 [symbolic = %impl.elem0.2 (constants.%impl.elem0)]
+// CHECK:STDOUT:     %bound_method.1: <bound method> = bound_method %.4, %impl.elem0.1 [symbolic = %bound_method.3 (constants.%bound_method.995)]
 // CHECK:STDOUT:     %specific_impl_fn.1: <specific function> = specific_impl_function %impl.elem0.1, @Destroy.WithSelf.Op(constants.%Destroy.facet) [symbolic = %specific_impl_fn.2 (constants.%specific_impl_fn)]
-// CHECK:STDOUT:     %bound_method.2: <bound method> = bound_method %.4, %specific_impl_fn.1
+// CHECK:STDOUT:     %bound_method.2: <bound method> = bound_method %.4, %specific_impl_fn.1 [symbolic = %bound_method.4 (constants.%bound_method.fc8)]
 // CHECK:STDOUT:     %Destroy.WithSelf.Op.call: init %empty_tuple.type = call %bound_method.2(%.4)
 // CHECK:STDOUT:     return
 // CHECK:STDOUT:   }
@@ -403,12 +409,15 @@ fn G() {
 // CHECK:STDOUT:   %Destroy.WithSelf.Op.type.696: type = fn_type @Destroy.WithSelf.Op, @Destroy.WithSelf(%Destroy.facet.3bf) [symbolic]
 // CHECK:STDOUT:   %.634: type = fn_type_with_self_type %Destroy.WithSelf.Op.type.696, %Destroy.facet.3bf [symbolic]
 // CHECK:STDOUT:   %impl.elem0: %.634 = impl_witness_access %Destroy.lookup_impl_witness, element0 [symbolic]
+// CHECK:STDOUT:   %specific_impl_fn: <specific function> = specific_impl_function %impl.elem0, @Destroy.WithSelf.Op(%Destroy.facet.3bf) [symbolic]
+// CHECK:STDOUT:   %pattern_type.fb2: type = pattern_type %C.c8540f.2 [symbolic]
+// CHECK:STDOUT:   %C.val.6cb: %C.c8540f.2 = struct_value () [symbolic]
+// CHECK:STDOUT:   %.5fa: ref %C.c8540f.2 = temporary invalid, %C.val.6cb [symbolic]
 // CHECK:STDOUT:   %C.as.I.impl.F.type.cf838e.2: type = fn_type @C.as.I.impl.F.2, @C.as.I.impl(%Y) [symbolic]
 // CHECK:STDOUT:   %C.as.I.impl.F.421e41.2: %C.as.I.impl.F.type.cf838e.2 = struct_value () [symbolic]
-// CHECK:STDOUT:   %pattern_type.fb2: type = pattern_type %C.c8540f.2 [symbolic]
 // CHECK:STDOUT:   %require_complete: <witness> = require_complete_type %C.c8540f.2 [symbolic]
-// CHECK:STDOUT:   %specific_impl_fn: <specific function> = specific_impl_function %impl.elem0, @Destroy.WithSelf.Op(%Destroy.facet.3bf) [symbolic]
-// CHECK:STDOUT:   %C.val.6cb: %C.c8540f.2 = struct_value () [symbolic]
+// CHECK:STDOUT:   %bound_method.ff8: <bound method> = bound_method %.5fa, %specific_impl_fn [symbolic]
+// CHECK:STDOUT:   %bound_method.88b: <bound method> = bound_method %.5fa, %impl.elem0 [symbolic]
 // CHECK:STDOUT:   %C.as.I.impl.F.specific_fn.23d: <specific function> = specific_function %C.as.I.impl.F.421e41.2, @C.as.I.impl.F.2(%Y) [symbolic]
 // CHECK:STDOUT:   %I.impl_witness.ead: <witness> = impl_witness imports.%I.impl_witness_table, @C.as.I.impl(%empty_tuple) [concrete]
 // CHECK:STDOUT:   %C.as.I.impl.F.type.0e1915.1: type = fn_type @C.as.I.impl.F.2, @C.as.I.impl(%empty_tuple) [concrete]
@@ -418,18 +427,20 @@ fn G() {
 // CHECK:STDOUT:   %I.facet: %I.type = facet_value %C.387, (%I.impl_witness.ead) [concrete]
 // CHECK:STDOUT:   %I.WithSelf.F.type.99c: type = fn_type @I.WithSelf.F, @I.WithSelf(%I.facet) [concrete]
 // CHECK:STDOUT:   %I.WithSelf.F.8d9: %I.WithSelf.F.type.99c = struct_value () [concrete]
-// CHECK:STDOUT:   %.e94: type = fn_type_with_self_type %I.WithSelf.F.type.99c, %I.facet [concrete]
+// CHECK:STDOUT:   %.e941: type = fn_type_with_self_type %I.WithSelf.F.type.99c, %I.facet [concrete]
 // CHECK:STDOUT:   %empty_struct: %empty_struct_type = struct_value () [concrete]
 // CHECK:STDOUT:   %C.as.I.impl.F.specific_fn.a77113.1: <specific function> = specific_function %C.as.I.impl.F.fcfec4.2, @C.as.I.impl.F.1(%empty_tuple) [concrete]
 // CHECK:STDOUT:   %pattern_type.678: type = pattern_type %C.387 [concrete]
 // CHECK:STDOUT:   %C.as.I.impl.F.specific_fn.a77113.2: <specific function> = specific_function %C.as.I.impl.F.fcfec4.1, @C.as.I.impl.F.2(%empty_tuple) [concrete]
 // CHECK:STDOUT:   %C.val.135: %C.387 = struct_value () [concrete]
+// CHECK:STDOUT:   %.e94e: ref %C.387 = temporary invalid, %C.val.135 [concrete]
 // CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
 // CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
 // CHECK:STDOUT:   %custom_witness.50a: <witness> = custom_witness (%Destroy.Op), @Destroy [concrete]
 // CHECK:STDOUT:   %Destroy.facet.4d6: %Destroy.type = facet_value %C.387, (%custom_witness.50a) [concrete]
 // CHECK:STDOUT:   %Destroy.WithSelf.Op.type.cb8: type = fn_type @Destroy.WithSelf.Op, @Destroy.WithSelf(%Destroy.facet.4d6) [concrete]
 // CHECK:STDOUT:   %.58c: type = fn_type_with_self_type %Destroy.WithSelf.Op.type.cb8, %Destroy.facet.4d6 [concrete]
+// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.e94e, %Destroy.Op [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -522,7 +533,7 @@ fn G() {
 // CHECK:STDOUT:   %F.ref.loc7_11: %I.assoc_type = name_ref F, imports.%Main.import_ref.a54 [concrete = constants.%assoc0.a42]
 // CHECK:STDOUT:   %I.facet: %I.type = facet_value %C, (constants.%I.impl_witness.ead) [concrete = constants.%I.facet]
 // CHECK:STDOUT:   %.loc7_8: %I.type = converted %C, %I.facet [concrete = constants.%I.facet]
-// CHECK:STDOUT:   %impl.elem0: %.e94 = impl_witness_access constants.%I.impl_witness.ead, element0 [concrete = constants.%C.as.I.impl.F.fcfec4.2]
+// CHECK:STDOUT:   %impl.elem0: %.e941 = impl_witness_access constants.%I.impl_witness.ead, element0 [concrete = constants.%C.as.I.impl.F.fcfec4.2]
 // CHECK:STDOUT:   %.loc7_16.1: %empty_struct_type = struct_literal () [concrete = constants.%empty_struct]
 // CHECK:STDOUT:   %empty_struct.loc7_16.1: %empty_struct_type = struct_value () [concrete = constants.%empty_struct]
 // CHECK:STDOUT:   %.loc7_17.1: %empty_struct_type = converted %.loc7_16.1, %empty_struct.loc7_16.1 [concrete = constants.%empty_struct]
@@ -535,11 +546,9 @@ fn G() {
 // CHECK:STDOUT:   %.loc7_16.3: ref %C.387 = temporary_storage
 // CHECK:STDOUT:   %.loc7_16.4: init %C.387 to %.loc7_16.3 = class_init () [concrete = constants.%C.val.135]
 // CHECK:STDOUT:   %.loc7_16.5: init %C.387 = converted %.loc7_16.2, %.loc7_16.4 [concrete = constants.%C.val.135]
-// CHECK:STDOUT:   %.loc7_16.6: ref %C.387 = temporary %.loc7_16.3, %.loc7_16.5
+// CHECK:STDOUT:   %.loc7_16.6: ref %C.387 = temporary %.loc7_16.3, %.loc7_16.5 [concrete = constants.%.e94e]
 // CHECK:STDOUT:   %.loc7_16.7: %C.387 = acquire_value %.loc7_16.6
 // CHECK:STDOUT:   %C.as.I.impl.F.call: init %empty_tuple.type = call %C.as.I.impl.F.specific_fn(%.loc7_16.7)
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc7_16.6, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc7_16.6)
 // CHECK:STDOUT:   return
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -556,12 +565,15 @@ fn G() {
 // CHECK:STDOUT:   %C: type = class_type @C, @C(%Y) [symbolic = %C (constants.%C.c8540f.2)]
 // CHECK:STDOUT:   %require_complete: <witness> = require_complete_type %C [symbolic = %require_complete (constants.%require_complete)]
 // CHECK:STDOUT:   %C.val: @C.as.I.impl.F.1.%C (%C.c8540f.2) = struct_value () [symbolic = %C.val (constants.%C.val.6cb)]
+// CHECK:STDOUT:   %.1: ref @C.as.I.impl.F.1.%C (%C.c8540f.2) = temporary invalid, %C.val [symbolic = %.1 (constants.%.5fa)]
 // CHECK:STDOUT:   %Destroy.lookup_impl_witness: <witness> = lookup_impl_witness %C, @Destroy [symbolic = %Destroy.lookup_impl_witness (constants.%Destroy.lookup_impl_witness)]
 // CHECK:STDOUT:   %Destroy.facet: %Destroy.type = facet_value %C, (%Destroy.lookup_impl_witness) [symbolic = %Destroy.facet (constants.%Destroy.facet.3bf)]
 // CHECK:STDOUT:   %Destroy.WithSelf.Op.type: type = fn_type @Destroy.WithSelf.Op, @Destroy.WithSelf(%Destroy.facet) [symbolic = %Destroy.WithSelf.Op.type (constants.%Destroy.WithSelf.Op.type.696)]
-// CHECK:STDOUT:   %.1: type = fn_type_with_self_type %Destroy.WithSelf.Op.type, %Destroy.facet [symbolic = %.1 (constants.%.634)]
-// CHECK:STDOUT:   %impl.elem0: @C.as.I.impl.F.1.%.1 (%.634) = impl_witness_access %Destroy.lookup_impl_witness, element0 [symbolic = %impl.elem0 (constants.%impl.elem0)]
+// CHECK:STDOUT:   %.2: type = fn_type_with_self_type %Destroy.WithSelf.Op.type, %Destroy.facet [symbolic = %.2 (constants.%.634)]
+// CHECK:STDOUT:   %impl.elem0: @C.as.I.impl.F.1.%.2 (%.634) = impl_witness_access %Destroy.lookup_impl_witness, element0 [symbolic = %impl.elem0 (constants.%impl.elem0)]
+// CHECK:STDOUT:   %bound_method.1: <bound method> = bound_method %.1, %impl.elem0 [symbolic = %bound_method.1 (constants.%bound_method.88b)]
 // CHECK:STDOUT:   %specific_impl_fn: <specific function> = specific_impl_function %impl.elem0, @Destroy.WithSelf.Op(%Destroy.facet) [symbolic = %specific_impl_fn (constants.%specific_impl_fn)]
+// CHECK:STDOUT:   %bound_method.2: <bound method> = bound_method %.1, %specific_impl_fn [symbolic = %bound_method.2 (constants.%bound_method.ff8)]
 // CHECK:STDOUT:
 // CHECK:STDOUT:   fn [thunk imports.%Main.F.13b];
 // CHECK:STDOUT: }
@@ -655,12 +667,15 @@ fn G() {
 // CHECK:STDOUT:   %C => constants.%C.387
 // CHECK:STDOUT:   %require_complete => constants.%complete_type
 // CHECK:STDOUT:   %C.val => constants.%C.val.135
+// CHECK:STDOUT:   %.1 => constants.%.e94e
 // CHECK:STDOUT:   %Destroy.lookup_impl_witness => constants.%custom_witness.50a
 // CHECK:STDOUT:   %Destroy.facet => constants.%Destroy.facet.4d6
 // CHECK:STDOUT:   %Destroy.WithSelf.Op.type => constants.%Destroy.WithSelf.Op.type.cb8
-// CHECK:STDOUT:   %.1 => constants.%.58c
+// CHECK:STDOUT:   %.2 => constants.%.58c
 // CHECK:STDOUT:   %impl.elem0 => constants.%Destroy.Op
+// CHECK:STDOUT:   %bound_method.1 => constants.%Destroy.Op.bound
 // CHECK:STDOUT:   %specific_impl_fn => constants.%Destroy.Op
+// CHECK:STDOUT:   %bound_method.2 => constants.%Destroy.Op.bound
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: specific @C.as.I.impl.F.2(constants.%empty_tuple) {
diff --git a/toolchain/check/testdata/impl/lookup/canonical_query_self.carbon b/toolchain/check/testdata/impl/lookup/canonical_query_self.carbon
index 0205aac0f5c0..e43672e62cc4 100644
--- a/toolchain/check/testdata/impl/lookup/canonical_query_self.carbon
+++ b/toolchain/check/testdata/impl/lookup/canonical_query_self.carbon
@@ -119,17 +119,17 @@ fn G() {
 // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
 // CHECK:STDOUT:   %empty_struct: %empty_struct_type = struct_value () [concrete]
 // CHECK:STDOUT:   %C.val: %C = struct_value () [concrete]
+// CHECK:STDOUT:   %.b19: ref %C = temporary invalid, %C.val [concrete]
 // CHECK:STDOUT:   %C.type.facet: %type = facet_value %C, () [concrete]
 // CHECK:STDOUT:   %J.WithSelf.JJ.type.f53: type = fn_type @J.WithSelf.JJ, @J.WithSelf(%C.type.facet) [concrete]
 // CHECK:STDOUT:   %J.WithSelf.JJ.9df: %J.WithSelf.JJ.type.f53 = struct_value () [concrete]
 // CHECK:STDOUT:   %I.WithSelf.II.type.152: type = fn_type @I.WithSelf.II, @I.WithSelf(%C.type.facet) [concrete]
 // CHECK:STDOUT:   %I.WithSelf.II.feb: %I.WithSelf.II.type.152 = struct_value () [concrete]
 // CHECK:STDOUT:   %.366: type = fn_type_with_self_type %J.WithSelf.JJ.type.6ae, %J.facet.fc3 [concrete]
+// CHECK:STDOUT:   %C.as.J.impl.JJ.bound: <bound method> = bound_method %.b19, %C.as.J.impl.JJ [concrete]
 // CHECK:STDOUT:   %facet_value: %facet_type = facet_value %C, (%I.impl_witness, %J.impl_witness) [concrete]
 // CHECK:STDOUT:   %F.specific_fn: <specific function> = specific_function %F, @F(%facet_value) [concrete]
 // CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -396,10 +396,10 @@ fn G() {
 // CHECK:STDOUT:   %.loc40_71: %J.type = converted %.loc40_62, %J.facet.loc40_71 [concrete = constants.%J.facet.fc3]
 // CHECK:STDOUT:   %as_type.loc40_75: type = facet_access_type %.loc40_71 [concrete = constants.%C]
 // CHECK:STDOUT:   %.loc40_75: type = converted %.loc40_71, %as_type.loc40_75 [concrete = constants.%C]
-// CHECK:STDOUT:   %.loc40_8.2: ref %C = temporary %.loc40_6.2, %.loc40_8.1
+// CHECK:STDOUT:   %.loc40_8.2: ref %C = temporary %.loc40_6.2, %.loc40_8.1 [concrete = constants.%.b19]
 // CHECK:STDOUT:   %JJ.ref: %J.assoc_type = name_ref JJ, @J.WithSelf.%assoc0 [concrete = constants.%assoc0.8f4]
 // CHECK:STDOUT:   %impl.elem0: %.366 = impl_witness_access constants.%J.impl_witness, element0 [concrete = constants.%C.as.J.impl.JJ]
-// CHECK:STDOUT:   %bound_method: <bound method> = bound_method %.loc40_8.2, %impl.elem0
+// CHECK:STDOUT:   %bound_method: <bound method> = bound_method %.loc40_8.2, %impl.elem0 [concrete = constants.%C.as.J.impl.JJ.bound]
 // CHECK:STDOUT:   %.loc40_8.3: %C = acquire_value %.loc40_8.2
 // CHECK:STDOUT:   %C.as.J.impl.JJ.call: init %empty_tuple.type = call %bound_method(%.loc40_8.3)
 // CHECK:STDOUT:   %F.ref: %F.type = name_ref F, file.%F.decl [concrete = constants.%F]
@@ -414,13 +414,9 @@ fn G() {
 // CHECK:STDOUT:   %facet_value.loc46_15.2: %facet_type = facet_value constants.%C, (constants.%I.impl_witness, constants.%J.impl_witness) [concrete = constants.%facet_value]
 // CHECK:STDOUT:   %.loc46_15.2: %facet_type = converted constants.%C, %facet_value.loc46_15.2 [concrete = constants.%facet_value]
 // CHECK:STDOUT:   %F.specific_fn: <specific function> = specific_function %F.ref, @F(constants.%facet_value) [concrete = constants.%F.specific_fn]
-// CHECK:STDOUT:   %.loc46_11.2: ref %C = temporary %.loc46_9.2, %.loc46_11.1
+// CHECK:STDOUT:   %.loc46_11.2: ref %C = temporary %.loc46_9.2, %.loc46_11.1 [concrete = constants.%.b19]
 // CHECK:STDOUT:   %.loc46_11.3: %C = acquire_value %.loc46_11.2
 // CHECK:STDOUT:   %F.call: init %empty_tuple.type = call %F.specific_fn(%.loc46_11.3)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc46: <bound method> = bound_method %.loc46_11.2, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call.loc46: init %empty_tuple.type = call %Destroy.Op.bound.loc46(%.loc46_11.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc40: <bound method> = bound_method %.loc40_8.2, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call.loc40: init %empty_tuple.type = call %Destroy.Op.bound.loc40(%.loc40_8.2)
 // CHECK:STDOUT:   return
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
diff --git a/toolchain/check/testdata/impl/use_assoc_entity.carbon b/toolchain/check/testdata/impl/use_assoc_entity.carbon
index 2ce08c6430b4..1103738171f5 100644
--- a/toolchain/check/testdata/impl/use_assoc_entity.carbon
+++ b/toolchain/check/testdata/impl/use_assoc_entity.carbon
@@ -4560,7 +4560,6 @@ fn F() {
 // CHECK:STDOUT:   %pattern_type.98f: type = pattern_type type [concrete]
 // CHECK:STDOUT:   %T: type = symbolic_binding T, 0 [symbolic]
 // CHECK:STDOUT:   %C.type: type = generic_class_type @C [concrete]
-// CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
 // CHECK:STDOUT:   %C.generic: %C.type = struct_value () [concrete]
 // CHECK:STDOUT:   %C.5a3: type = class_type @C, @C(%T) [symbolic]
 // CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
@@ -4584,9 +4583,8 @@ fn F() {
 // CHECK:STDOUT:   %pattern_type.a7e: type = pattern_type %C.302 [concrete]
 // CHECK:STDOUT:   %empty_struct: %empty_struct_type = struct_value () [concrete]
 // CHECK:STDOUT:   %C.val: %C.302 = struct_value () [concrete]
+// CHECK:STDOUT:   %.cdd: ref %C.302 = temporary invalid, %C.val [concrete]
 // CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -4723,11 +4721,9 @@ fn F() {
 // CHECK:STDOUT:     %.loc12_18.2: %Z.type = converted %D.ref.loc12_17, %Z.facet [concrete = constants.%Z.facet.59e]
 // CHECK:STDOUT:     %impl.elem0: type = impl_witness_access constants.%Z.impl_witness.63b, element0 [concrete = constants.%C.302]
 // CHECK:STDOUT:   }
-// CHECK:STDOUT:   %.loc12_30.2: ref %C.302 = temporary %.loc12_28.2, %.loc12_30.1
+// CHECK:STDOUT:   %.loc12_30.2: ref %C.302 = temporary %.loc12_28.2, %.loc12_30.1 [concrete = constants.%.cdd]
 // CHECK:STDOUT:   %.loc12_30.3: %C.302 = acquire_value %.loc12_30.2
 // CHECK:STDOUT:   %a: %C.302 = value_binding a, %.loc12_30.3
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc12_30.2, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc12_30.2)
 // CHECK:STDOUT:   return
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
diff --git a/toolchain/check/testdata/interface/generic_method.carbon b/toolchain/check/testdata/interface/generic_method.carbon
index f3e93a49b03c..778132b1d784 100644
--- a/toolchain/check/testdata/interface/generic_method.carbon
+++ b/toolchain/check/testdata/interface/generic_method.carbon
@@ -829,6 +829,7 @@ fn CallIndirect() {
 // CHECK:STDOUT:   %pattern_type.30b: type = pattern_type %tuple.type.65a [concrete]
 // CHECK:STDOUT:   %tuple.type.as.A.impl.F.specific_fn.af6: <specific function> = specific_function %tuple.type.as.A.impl.F.cc8, @tuple.type.as.A.impl.F(%Y1, %Y2, %X, %Z) [concrete]
 // CHECK:STDOUT:   %Z.val: %Z = struct_value () [concrete]
+// CHECK:STDOUT:   %.318: ref %Z = temporary invalid, %Z.val [concrete]
 // CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
 // CHECK:STDOUT:   %Destroy.Op.type.bae255.1: type = fn_type @Destroy.Op.loc24_39 [concrete]
 // CHECK:STDOUT:   %Destroy.Op.651ba6.1: %Destroy.Op.type.bae255.1 = struct_value () [concrete]
@@ -836,8 +837,6 @@ fn CallIndirect() {
 // CHECK:STDOUT:   %Destroy.facet.9fd: %Destroy.type = facet_value %tuple.type.65a, (%custom_witness.8d7fae.1) [concrete]
 // CHECK:STDOUT:   %Destroy.WithSelf.Op.type.d36: type = fn_type @Destroy.WithSelf.Op, @Destroy.WithSelf(%Destroy.facet.9fd) [concrete]
 // CHECK:STDOUT:   %.498: type = fn_type_with_self_type %Destroy.WithSelf.Op.type.d36, %Destroy.facet.9fd [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type.bae255.2: type = fn_type @Destroy.Op.loc24_38 [concrete]
-// CHECK:STDOUT:   %Destroy.Op.651ba6.2: %Destroy.Op.type.bae255.2 = struct_value () [concrete]
 // CHECK:STDOUT:   %pattern_type.143: type = pattern_type %A.type.ab6 [concrete]
 // CHECK:STDOUT:   %T.2bc: %A.type.ab6 = symbolic_binding T, 0 [symbolic]
 // CHECK:STDOUT:   %CallGeneric.type: type = fn_type @CallGeneric [concrete]
@@ -1157,14 +1156,12 @@ fn CallIndirect() {
 // CHECK:STDOUT:   %.loc24_38.2: ref %Z = temporary_storage
 // CHECK:STDOUT:   %.loc24_38.3: init %Z to %.loc24_38.2 = class_init () [concrete = constants.%Z.val]
 // CHECK:STDOUT:   %.loc24_38.4: init %Z = converted %.loc24_38.1, %.loc24_38.3 [concrete = constants.%Z.val]
-// CHECK:STDOUT:   %.loc24_38.5: ref %Z = temporary %.loc24_38.2, %.loc24_38.4
+// CHECK:STDOUT:   %.loc24_38.5: ref %Z = temporary %.loc24_38.2, %.loc24_38.4 [concrete = constants.%.318]
 // CHECK:STDOUT:   %.loc24_38.6: %Z = acquire_value %.loc24_38.5
 // CHECK:STDOUT:   %tuple.type.as.A.impl.F.call: init %tuple.type.65a to %.loc24_39.1 = call %specific_fn(%.loc24_38.6)
 // CHECK:STDOUT:   %.loc24_39.2: ref %tuple.type.65a = temporary %.loc24_39.1, %tuple.type.as.A.impl.F.call
-// CHECK:STDOUT:   %Destroy.Op.bound.loc24_39: <bound method> = bound_method %.loc24_39.2, constants.%Destroy.Op.651ba6.1
-// CHECK:STDOUT:   %Destroy.Op.call.loc24_39: init %empty_tuple.type = call %Destroy.Op.bound.loc24_39(%.loc24_39.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc24_38: <bound method> = bound_method %.loc24_38.5, constants.%Destroy.Op.651ba6.2
-// CHECK:STDOUT:   %Destroy.Op.call.loc24_38: init %empty_tuple.type = call %Destroy.Op.bound.loc24_38(%.loc24_38.5)
+// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc24_39.2, constants.%Destroy.Op.651ba6.1
+// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc24_39.2)
 // CHECK:STDOUT:   return
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -1206,7 +1203,7 @@ fn CallIndirect() {
 // CHECK:STDOUT:     %.loc28_11.2: ref %Z = temporary_storage
 // CHECK:STDOUT:     %.loc28_11.3: init %Z to %.loc28_11.2 = class_init () [concrete = constants.%Z.val]
 // CHECK:STDOUT:     %.loc28_11.4: init %Z = converted %.loc28_11.1, %.loc28_11.3 [concrete = constants.%Z.val]
-// CHECK:STDOUT:     %.loc28_11.5: ref %Z = temporary %.loc28_11.2, %.loc28_11.4
+// CHECK:STDOUT:     %.loc28_11.5: ref %Z = temporary %.loc28_11.2, %.loc28_11.4 [concrete = constants.%.318]
 // CHECK:STDOUT:     %.loc28_11.6: %Z = acquire_value %.loc28_11.5
 // CHECK:STDOUT:     %A.WithSelf.F.call: init @CallGeneric.%tuple.type (%tuple.type.856) to %.loc28_12.1 = call %specific_impl_fn.loc28_4.1(%.loc28_11.6)
 // CHECK:STDOUT:     %.loc28_12.2: ref @CallGeneric.%tuple.type (%tuple.type.856) = temporary %.loc28_12.1, %A.WithSelf.F.call
@@ -1215,8 +1212,6 @@ fn CallIndirect() {
 // CHECK:STDOUT:     %specific_impl_fn.loc28_12.1: <specific function> = specific_impl_function %impl.elem0.loc28_12.1, @Destroy.WithSelf.Op(constants.%Destroy.facet.a1c) [symbolic = %specific_impl_fn.loc28_12.2 (constants.%specific_impl_fn.56d)]
 // CHECK:STDOUT:     %bound_method.loc28_12.2: <bound method> = bound_method %.loc28_12.2, %specific_impl_fn.loc28_12.1
 // CHECK:STDOUT:     %Destroy.WithSelf.Op.call: init %empty_tuple.type = call %bound_method.loc28_12.2(%.loc28_12.2)
-// CHECK:STDOUT:     %Destroy.Op.bound: <bound method> = bound_method %.loc28_11.5, constants.%Destroy.Op.651ba6.2
-// CHECK:STDOUT:     %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc28_11.5)
 // CHECK:STDOUT:     return
 // CHECK:STDOUT:   }
 // CHECK:STDOUT: }
diff --git a/toolchain/check/testdata/interop/cpp/class/constructor.carbon b/toolchain/check/testdata/interop/cpp/class/constructor.carbon
index 7ba122403b04..dcade5a0a3e2 100644
--- a/toolchain/check/testdata/interop/cpp/class/constructor.carbon
+++ b/toolchain/check/testdata/interop/cpp/class/constructor.carbon
@@ -797,12 +797,12 @@ fn F() {
 // CHECK:STDOUT:   %bool.as.Copy.impl.Op.type: type = fn_type @bool.as.Copy.impl.Op [concrete]
 // CHECK:STDOUT:   %bool.as.Copy.impl.Op: %bool.as.Copy.impl.Op.type = struct_value () [concrete]
 // CHECK:STDOUT:   %bool.as.Copy.impl.Op.bound: <bound method> = bound_method %true, %bool.as.Copy.impl.Op [concrete]
+// CHECK:STDOUT:   %.e3b: ref bool = temporary invalid, %true [concrete]
+// CHECK:STDOUT:   %addr: %ptr.bb2 = addr_of %.e3b [concrete]
 // CHECK:STDOUT:   %C__carbon_thunk.type.65f120.3: type = fn_type @C__carbon_thunk.3 [concrete]
 // CHECK:STDOUT:   %C__carbon_thunk.d98342.3: %C__carbon_thunk.type.65f120.3 = struct_value () [concrete]
 // CHECK:STDOUT:   %C.cpp_destructor.type: type = fn_type @C.cpp_destructor [concrete]
 // CHECK:STDOUT:   %C.cpp_destructor: %C.cpp_destructor.type = struct_value () [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -875,8 +875,8 @@ fn F() {
 // CHECK:STDOUT:   %impl.elem0.loc9: %.86d = impl_witness_access constants.%Copy.impl_witness.348, element0 [concrete = constants.%bool.as.Copy.impl.Op]
 // CHECK:STDOUT:   %bound_method.loc9: <bound method> = bound_method %true, %impl.elem0.loc9 [concrete = constants.%bool.as.Copy.impl.Op.bound]
 // CHECK:STDOUT:   %bool.as.Copy.impl.Op.call: init bool = call %bound_method.loc9(%true) [concrete = constants.%true]
-// CHECK:STDOUT:   %.loc9_34.2: ref bool = temporary %.loc9_34.1, %bool.as.Copy.impl.Op.call
-// CHECK:STDOUT:   %addr.loc9_38.1: %ptr.bb2 = addr_of %.loc9_34.2
+// CHECK:STDOUT:   %.loc9_34.2: ref bool = temporary %.loc9_34.1, %bool.as.Copy.impl.Op.call [concrete = constants.%.e3b]
+// CHECK:STDOUT:   %addr.loc9_38.1: %ptr.bb2 = addr_of %.loc9_34.2 [concrete = constants.%addr]
 // CHECK:STDOUT:   %addr.loc9_38.2: %ptr.d9e = addr_of %.loc9_3
 // CHECK:STDOUT:   %C__carbon_thunk.call.loc9: init %empty_tuple.type = call imports.%C__carbon_thunk.decl.8acdfe.2(%addr.loc9_38.1, %addr.loc9_38.2)
 // CHECK:STDOUT:   %.loc9_38: init %C to %.loc9_3 = mark_in_place_init %C__carbon_thunk.call.loc9
@@ -908,8 +908,6 @@ fn F() {
 // CHECK:STDOUT:   %c3: ref %C = ref_binding c3, %c3.var
 // CHECK:STDOUT:   %C.cpp_destructor.bound.loc10: <bound method> = bound_method %c3.var, constants.%C.cpp_destructor
 // CHECK:STDOUT:   %C.cpp_destructor.call.loc10: init %empty_tuple.type = call %C.cpp_destructor.bound.loc10(%c3.var)
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc9_34.2, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc9_34.2)
 // CHECK:STDOUT:   %C.cpp_destructor.bound.loc9: <bound method> = bound_method %c2.var, constants.%C.cpp_destructor
 // CHECK:STDOUT:   %C.cpp_destructor.call.loc9: init %empty_tuple.type = call %C.cpp_destructor.bound.loc9(%c2.var)
 // CHECK:STDOUT:   %C.cpp_destructor.bound.loc8: <bound method> = bound_method %c1.var, constants.%C.cpp_destructor
diff --git a/toolchain/check/testdata/interop/cpp/function/arithmetic_types_bridged.carbon b/toolchain/check/testdata/interop/cpp/function/arithmetic_types_bridged.carbon
index a206f3c945e3..deb660f21592 100644
--- a/toolchain/check/testdata/interop/cpp/function/arithmetic_types_bridged.carbon
+++ b/toolchain/check/testdata/interop/cpp/function/arithmetic_types_bridged.carbon
@@ -573,8 +573,8 @@ fn F() {
 // CHECK:STDOUT:   %bool.as.Copy.impl.Op.type: type = fn_type @bool.as.Copy.impl.Op [concrete]
 // CHECK:STDOUT:   %bool.as.Copy.impl.Op: %bool.as.Copy.impl.Op.type = struct_value () [concrete]
 // CHECK:STDOUT:   %bool.as.Copy.impl.Op.bound: <bound method> = bound_method %true, %bool.as.Copy.impl.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
+// CHECK:STDOUT:   %.e3b: ref bool = temporary invalid, %true [concrete]
+// CHECK:STDOUT:   %addr: %ptr.bb2 = addr_of %.e3b [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -601,11 +601,9 @@ fn F() {
 // CHECK:STDOUT:   %impl.elem0: %.86d = impl_witness_access constants.%Copy.impl_witness.348, element0 [concrete = constants.%bool.as.Copy.impl.Op]
 // CHECK:STDOUT:   %bound_method: <bound method> = bound_method %true, %impl.elem0 [concrete = constants.%bool.as.Copy.impl.Op.bound]
 // CHECK:STDOUT:   %bool.as.Copy.impl.Op.call: init bool = call %bound_method(%true) [concrete = constants.%true]
-// CHECK:STDOUT:   %.loc8_11.2: ref bool = temporary %.loc8_11.1, %bool.as.Copy.impl.Op.call
-// CHECK:STDOUT:   %addr: %ptr.bb2 = addr_of %.loc8_11.2
+// CHECK:STDOUT:   %.loc8_11.2: ref bool = temporary %.loc8_11.1, %bool.as.Copy.impl.Op.call [concrete = constants.%.e3b]
+// CHECK:STDOUT:   %addr: %ptr.bb2 = addr_of %.loc8_11.2 [concrete = constants.%addr]
 // CHECK:STDOUT:   %foo__carbon_thunk.call: init %empty_tuple.type = call imports.%foo__carbon_thunk.decl(%addr)
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc8_11.2, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc8_11.2)
 // CHECK:STDOUT:   <elided>
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -629,8 +627,8 @@ fn F() {
 // CHECK:STDOUT:   %bool.as.Copy.impl.Op.type: type = fn_type @bool.as.Copy.impl.Op [concrete]
 // CHECK:STDOUT:   %bool.as.Copy.impl.Op: %bool.as.Copy.impl.Op.type = struct_value () [concrete]
 // CHECK:STDOUT:   %bool.as.Copy.impl.Op.bound: <bound method> = bound_method %false, %bool.as.Copy.impl.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
+// CHECK:STDOUT:   %.48c: ref bool = temporary invalid, %false [concrete]
+// CHECK:STDOUT:   %addr: %ptr.bb2 = addr_of %.48c [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -657,11 +655,9 @@ fn F() {
 // CHECK:STDOUT:   %impl.elem0: %.86d = impl_witness_access constants.%Copy.impl_witness.348, element0 [concrete = constants.%bool.as.Copy.impl.Op]
 // CHECK:STDOUT:   %bound_method: <bound method> = bound_method %false, %impl.elem0 [concrete = constants.%bool.as.Copy.impl.Op.bound]
 // CHECK:STDOUT:   %bool.as.Copy.impl.Op.call: init bool = call %bound_method(%false) [concrete = constants.%false]
-// CHECK:STDOUT:   %.loc8_11.2: ref bool = temporary %.loc8_11.1, %bool.as.Copy.impl.Op.call
-// CHECK:STDOUT:   %addr: %ptr.bb2 = addr_of %.loc8_11.2
+// CHECK:STDOUT:   %.loc8_11.2: ref bool = temporary %.loc8_11.1, %bool.as.Copy.impl.Op.call [concrete = constants.%.48c]
+// CHECK:STDOUT:   %addr: %ptr.bb2 = addr_of %.loc8_11.2 [concrete = constants.%addr]
 // CHECK:STDOUT:   %foo__carbon_thunk.call: init %empty_tuple.type = call imports.%foo__carbon_thunk.decl(%addr)
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc8_11.2, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc8_11.2)
 // CHECK:STDOUT:   <elided>
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -715,8 +711,8 @@ fn F() {
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.bound: <bound method> = bound_method %int_-1.416, %Int.as.Copy.impl.Op.817 [concrete]
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %Int.as.Copy.impl.Op.817, @Int.as.Copy.impl.Op(%int_8) [concrete]
 // CHECK:STDOUT:   %bound_method.81a: <bound method> = bound_method %int_-1.416, %Int.as.Copy.impl.Op.specific_fn [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
+// CHECK:STDOUT:   %.702: ref %i8 = temporary invalid, %int_-1.416 [concrete]
+// CHECK:STDOUT:   %addr: %ptr.5c1 = addr_of %.702 [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -762,11 +758,9 @@ fn F() {
 // CHECK:STDOUT:   %specific_fn.loc8_11.2: <specific function> = specific_function %impl.elem0.loc8_11.2, @Int.as.Copy.impl.Op(constants.%int_8) [concrete = constants.%Int.as.Copy.impl.Op.specific_fn]
 // CHECK:STDOUT:   %bound_method.loc8_11.5: <bound method> = bound_method %.loc8_11.4, %specific_fn.loc8_11.2 [concrete = constants.%bound_method.81a]
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.call: init %i8 = call %bound_method.loc8_11.5(%.loc8_11.4) [concrete = constants.%int_-1.416]
-// CHECK:STDOUT:   %.loc8_11.6: ref %i8 = temporary %.loc8_11.5, %Int.as.Copy.impl.Op.call
-// CHECK:STDOUT:   %addr: %ptr.5c1 = addr_of %.loc8_11.6
+// CHECK:STDOUT:   %.loc8_11.6: ref %i8 = temporary %.loc8_11.5, %Int.as.Copy.impl.Op.call [concrete = constants.%.702]
+// CHECK:STDOUT:   %addr: %ptr.5c1 = addr_of %.loc8_11.6 [concrete = constants.%addr]
 // CHECK:STDOUT:   %foo__carbon_thunk.call: init %empty_tuple.type = call imports.%foo__carbon_thunk.decl(%addr)
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc8_11.6, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc8_11.6)
 // CHECK:STDOUT:   <elided>
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -811,8 +805,8 @@ fn F() {
 // CHECK:STDOUT:   %UInt.as.Copy.impl.Op.bound: <bound method> = bound_method %int_1.e80, %UInt.as.Copy.impl.Op.ccb [concrete]
 // CHECK:STDOUT:   %UInt.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %UInt.as.Copy.impl.Op.ccb, @UInt.as.Copy.impl.Op(%int_8) [concrete]
 // CHECK:STDOUT:   %bound_method.98f: <bound method> = bound_method %int_1.e80, %UInt.as.Copy.impl.Op.specific_fn [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
+// CHECK:STDOUT:   %.84f: ref %u8 = temporary invalid, %int_1.e80 [concrete]
+// CHECK:STDOUT:   %addr: %ptr.3e8 = addr_of %.84f [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -850,11 +844,9 @@ fn F() {
 // CHECK:STDOUT:   %specific_fn.loc8_11.2: <specific function> = specific_function %impl.elem0.loc8_11.2, @UInt.as.Copy.impl.Op(constants.%int_8) [concrete = constants.%UInt.as.Copy.impl.Op.specific_fn]
 // CHECK:STDOUT:   %bound_method.loc8_11.4: <bound method> = bound_method %.loc8_11.2, %specific_fn.loc8_11.2 [concrete = constants.%bound_method.98f]
 // CHECK:STDOUT:   %UInt.as.Copy.impl.Op.call: init %u8 = call %bound_method.loc8_11.4(%.loc8_11.2) [concrete = constants.%int_1.e80]
-// CHECK:STDOUT:   %.loc8_11.4: ref %u8 = temporary %.loc8_11.3, %UInt.as.Copy.impl.Op.call
-// CHECK:STDOUT:   %addr: %ptr.3e8 = addr_of %.loc8_11.4
+// CHECK:STDOUT:   %.loc8_11.4: ref %u8 = temporary %.loc8_11.3, %UInt.as.Copy.impl.Op.call [concrete = constants.%.84f]
+// CHECK:STDOUT:   %addr: %ptr.3e8 = addr_of %.loc8_11.4 [concrete = constants.%addr]
 // CHECK:STDOUT:   %foo__carbon_thunk.call: init %empty_tuple.type = call imports.%foo__carbon_thunk.decl(%addr)
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc8_11.4, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc8_11.4)
 // CHECK:STDOUT:   <elided>
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -888,8 +880,8 @@ fn F() {
 // CHECK:STDOUT:   %char.as.Copy.impl.Op.type: type = fn_type @char.as.Copy.impl.Op [concrete]
 // CHECK:STDOUT:   %char.as.Copy.impl.Op: %char.as.Copy.impl.Op.type = struct_value () [concrete]
 // CHECK:STDOUT:   %char.as.Copy.impl.Op.bound: <bound method> = bound_method %int_88, %char.as.Copy.impl.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
+// CHECK:STDOUT:   %.3df: ref %char = temporary invalid, %int_88 [concrete]
+// CHECK:STDOUT:   %addr: %ptr.fb0 = addr_of %.3df [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -923,11 +915,9 @@ fn F() {
 // CHECK:STDOUT:   %impl.elem0.loc8_11.2: %.bf3 = impl_witness_access constants.%Copy.impl_witness.bd9, element0 [concrete = constants.%char.as.Copy.impl.Op]
 // CHECK:STDOUT:   %bound_method.loc8_11.2: <bound method> = bound_method %.loc8_11.3, %impl.elem0.loc8_11.2 [concrete = constants.%char.as.Copy.impl.Op.bound]
 // CHECK:STDOUT:   %char.as.Copy.impl.Op.call: init %char = call %bound_method.loc8_11.2(%.loc8_11.3) [concrete = constants.%int_88]
-// CHECK:STDOUT:   %.loc8_11.5: ref %char = temporary %.loc8_11.4, %char.as.Copy.impl.Op.call
-// CHECK:STDOUT:   %addr: %ptr.fb0 = addr_of %.loc8_11.5
+// CHECK:STDOUT:   %.loc8_11.5: ref %char = temporary %.loc8_11.4, %char.as.Copy.impl.Op.call [concrete = constants.%.3df]
+// CHECK:STDOUT:   %addr: %ptr.fb0 = addr_of %.loc8_11.5 [concrete = constants.%addr]
 // CHECK:STDOUT:   %foo__carbon_thunk.call: init %empty_tuple.type = call imports.%foo__carbon_thunk.decl(%addr)
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc8_11.5, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc8_11.5)
 // CHECK:STDOUT:   <elided>
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -1102,8 +1092,8 @@ fn F() {
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.bound: <bound method> = bound_method %int_1.f90, %Int.as.Copy.impl.Op.0da [concrete]
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %Int.as.Copy.impl.Op.0da, @Int.as.Copy.impl.Op(%int_16) [concrete]
 // CHECK:STDOUT:   %bound_method.a48: <bound method> = bound_method %int_1.f90, %Int.as.Copy.impl.Op.specific_fn [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
+// CHECK:STDOUT:   %.dde: ref %i16 = temporary invalid, %int_1.f90 [concrete]
+// CHECK:STDOUT:   %addr: %ptr.251 = addr_of %.dde [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -1142,11 +1132,9 @@ fn F() {
 // CHECK:STDOUT:   %specific_fn.loc8_13.2: <specific function> = specific_function %impl.elem0.loc8_13.2, @Int.as.Copy.impl.Op(constants.%int_16) [concrete = constants.%Int.as.Copy.impl.Op.specific_fn]
 // CHECK:STDOUT:   %bound_method.loc8_13.4: <bound method> = bound_method %.loc8_13.2, %specific_fn.loc8_13.2 [concrete = constants.%bound_method.a48]
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.call: init %i16 = call %bound_method.loc8_13.4(%.loc8_13.2) [concrete = constants.%int_1.f90]
-// CHECK:STDOUT:   %.loc8_13.4: ref %i16 = temporary %.loc8_13.3, %Int.as.Copy.impl.Op.call
-// CHECK:STDOUT:   %addr: %ptr.251 = addr_of %.loc8_13.4
+// CHECK:STDOUT:   %.loc8_13.4: ref %i16 = temporary %.loc8_13.3, %Int.as.Copy.impl.Op.call [concrete = constants.%.dde]
+// CHECK:STDOUT:   %addr: %ptr.251 = addr_of %.loc8_13.4 [concrete = constants.%addr]
 // CHECK:STDOUT:   %foo__carbon_thunk.call: init %empty_tuple.type = call imports.%foo__carbon_thunk.decl(%addr)
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc8_13.4, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc8_13.4)
 // CHECK:STDOUT:   <elided>
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -1191,8 +1179,8 @@ fn F() {
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.bound: <bound method> = bound_method %int_32767.faa, %Int.as.Copy.impl.Op.0da [concrete]
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %Int.as.Copy.impl.Op.0da, @Int.as.Copy.impl.Op(%int_16) [concrete]
 // CHECK:STDOUT:   %bound_method.964: <bound method> = bound_method %int_32767.faa, %Int.as.Copy.impl.Op.specific_fn [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
+// CHECK:STDOUT:   %.436: ref %i16 = temporary invalid, %int_32767.faa [concrete]
+// CHECK:STDOUT:   %addr: %ptr.251 = addr_of %.436 [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -1230,11 +1218,9 @@ fn F() {
 // CHECK:STDOUT:   %specific_fn.loc8_11.2: <specific function> = specific_function %impl.elem0.loc8_11.2, @Int.as.Copy.impl.Op(constants.%int_16) [concrete = constants.%Int.as.Copy.impl.Op.specific_fn]
 // CHECK:STDOUT:   %bound_method.loc8_11.4: <bound method> = bound_method %.loc8_11.2, %specific_fn.loc8_11.2 [concrete = constants.%bound_method.964]
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.call: init %i16 = call %bound_method.loc8_11.4(%.loc8_11.2) [concrete = constants.%int_32767.faa]
-// CHECK:STDOUT:   %.loc8_11.4: ref %i16 = temporary %.loc8_11.3, %Int.as.Copy.impl.Op.call
-// CHECK:STDOUT:   %addr: %ptr.251 = addr_of %.loc8_11.4
+// CHECK:STDOUT:   %.loc8_11.4: ref %i16 = temporary %.loc8_11.3, %Int.as.Copy.impl.Op.call [concrete = constants.%.436]
+// CHECK:STDOUT:   %addr: %ptr.251 = addr_of %.loc8_11.4 [concrete = constants.%addr]
 // CHECK:STDOUT:   %foo__carbon_thunk.call: init %empty_tuple.type = call imports.%foo__carbon_thunk.decl(%addr)
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc8_11.4, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc8_11.4)
 // CHECK:STDOUT:   <elided>
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -1288,8 +1274,8 @@ fn F() {
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.bound: <bound method> = bound_method %int_-32768.7e5, %Int.as.Copy.impl.Op.0da [concrete]
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %Int.as.Copy.impl.Op.0da, @Int.as.Copy.impl.Op(%int_16) [concrete]
 // CHECK:STDOUT:   %bound_method.971: <bound method> = bound_method %int_-32768.7e5, %Int.as.Copy.impl.Op.specific_fn [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
+// CHECK:STDOUT:   %.81f: ref %i16 = temporary invalid, %int_-32768.7e5 [concrete]
+// CHECK:STDOUT:   %addr: %ptr.251 = addr_of %.81f [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -1335,11 +1321,9 @@ fn F() {
 // CHECK:STDOUT:   %specific_fn.loc8_11.2: <specific function> = specific_function %impl.elem0.loc8_11.2, @Int.as.Copy.impl.Op(constants.%int_16) [concrete = constants.%Int.as.Copy.impl.Op.specific_fn]
 // CHECK:STDOUT:   %bound_method.loc8_11.5: <bound method> = bound_method %.loc8_11.4, %specific_fn.loc8_11.2 [concrete = constants.%bound_method.971]
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.call: init %i16 = call %bound_method.loc8_11.5(%.loc8_11.4) [concrete = constants.%int_-32768.7e5]
-// CHECK:STDOUT:   %.loc8_11.6: ref %i16 = temporary %.loc8_11.5, %Int.as.Copy.impl.Op.call
-// CHECK:STDOUT:   %addr: %ptr.251 = addr_of %.loc8_11.6
+// CHECK:STDOUT:   %.loc8_11.6: ref %i16 = temporary %.loc8_11.5, %Int.as.Copy.impl.Op.call [concrete = constants.%.81f]
+// CHECK:STDOUT:   %addr: %ptr.251 = addr_of %.loc8_11.6 [concrete = constants.%addr]
 // CHECK:STDOUT:   %foo__carbon_thunk.call: init %empty_tuple.type = call imports.%foo__carbon_thunk.decl(%addr)
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc8_11.6, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc8_11.6)
 // CHECK:STDOUT:   <elided>
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -1384,8 +1368,8 @@ fn F() {
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.bound: <bound method> = bound_method %int_1.f90, %Int.as.Copy.impl.Op.0da [concrete]
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %Int.as.Copy.impl.Op.0da, @Int.as.Copy.impl.Op(%int_16) [concrete]
 // CHECK:STDOUT:   %bound_method.a48: <bound method> = bound_method %int_1.f90, %Int.as.Copy.impl.Op.specific_fn [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
+// CHECK:STDOUT:   %.dde: ref %i16 = temporary invalid, %int_1.f90 [concrete]
+// CHECK:STDOUT:   %addr: %ptr.251 = addr_of %.dde [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -1424,11 +1408,9 @@ fn F() {
 // CHECK:STDOUT:   %specific_fn.loc8_13.2: <specific function> = specific_function %impl.elem0.loc8_13.2, @Int.as.Copy.impl.Op(constants.%int_16) [concrete = constants.%Int.as.Copy.impl.Op.specific_fn]
 // CHECK:STDOUT:   %bound_method.loc8_13.4: <bound method> = bound_method %.loc8_13.2, %specific_fn.loc8_13.2 [concrete = constants.%bound_method.a48]
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.call: init %i16 = call %bound_method.loc8_13.4(%.loc8_13.2) [concrete = constants.%int_1.f90]
-// CHECK:STDOUT:   %.loc8_13.4: ref %i16 = temporary %.loc8_13.3, %Int.as.Copy.impl.Op.call
-// CHECK:STDOUT:   %addr: %ptr.251 = addr_of %.loc8_13.4
+// CHECK:STDOUT:   %.loc8_13.4: ref %i16 = temporary %.loc8_13.3, %Int.as.Copy.impl.Op.call [concrete = constants.%.dde]
+// CHECK:STDOUT:   %addr: %ptr.251 = addr_of %.loc8_13.4 [concrete = constants.%addr]
 // CHECK:STDOUT:   %foo__carbon_thunk.call: init %empty_tuple.type = call imports.%foo__carbon_thunk.decl(%addr)
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc8_13.4, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc8_13.4)
 // CHECK:STDOUT:   <elided>
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -1473,8 +1455,8 @@ fn F() {
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.bound: <bound method> = bound_method %int_1.f90, %Int.as.Copy.impl.Op.0da [concrete]
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %Int.as.Copy.impl.Op.0da, @Int.as.Copy.impl.Op(%int_16) [concrete]
 // CHECK:STDOUT:   %bound_method.a48: <bound method> = bound_method %int_1.f90, %Int.as.Copy.impl.Op.specific_fn [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
+// CHECK:STDOUT:   %.dde: ref %i16 = temporary invalid, %int_1.f90 [concrete]
+// CHECK:STDOUT:   %addr: %ptr.251 = addr_of %.dde [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -1513,11 +1495,9 @@ fn F() {
 // CHECK:STDOUT:   %specific_fn.loc8_13.2: <specific function> = specific_function %impl.elem0.loc8_13.2, @Int.as.Copy.impl.Op(constants.%int_16) [concrete = constants.%Int.as.Copy.impl.Op.specific_fn]
 // CHECK:STDOUT:   %bound_method.loc8_13.4: <bound method> = bound_method %.loc8_13.2, %specific_fn.loc8_13.2 [concrete = constants.%bound_method.a48]
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.call: init %i16 = call %bound_method.loc8_13.4(%.loc8_13.2) [concrete = constants.%int_1.f90]
-// CHECK:STDOUT:   %.loc8_13.4: ref %i16 = temporary %.loc8_13.3, %Int.as.Copy.impl.Op.call
-// CHECK:STDOUT:   %addr: %ptr.251 = addr_of %.loc8_13.4
+// CHECK:STDOUT:   %.loc8_13.4: ref %i16 = temporary %.loc8_13.3, %Int.as.Copy.impl.Op.call [concrete = constants.%.dde]
+// CHECK:STDOUT:   %addr: %ptr.251 = addr_of %.loc8_13.4 [concrete = constants.%addr]
 // CHECK:STDOUT:   %foo__carbon_thunk.call: init %empty_tuple.type = call imports.%foo__carbon_thunk.decl(%addr)
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc8_13.4, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc8_13.4)
 // CHECK:STDOUT:   <elided>
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -1562,8 +1542,8 @@ fn F() {
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.bound: <bound method> = bound_method %int_1.f90, %Int.as.Copy.impl.Op.0da [concrete]
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %Int.as.Copy.impl.Op.0da, @Int.as.Copy.impl.Op(%int_16) [concrete]
 // CHECK:STDOUT:   %bound_method.a48: <bound method> = bound_method %int_1.f90, %Int.as.Copy.impl.Op.specific_fn [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
+// CHECK:STDOUT:   %.dde: ref %i16 = temporary invalid, %int_1.f90 [concrete]
+// CHECK:STDOUT:   %addr: %ptr.251 = addr_of %.dde [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -1602,11 +1582,9 @@ fn F() {
 // CHECK:STDOUT:   %specific_fn.loc8_13.2: <specific function> = specific_function %impl.elem0.loc8_13.2, @Int.as.Copy.impl.Op(constants.%int_16) [concrete = constants.%Int.as.Copy.impl.Op.specific_fn]
 // CHECK:STDOUT:   %bound_method.loc8_13.4: <bound method> = bound_method %.loc8_13.2, %specific_fn.loc8_13.2 [concrete = constants.%bound_method.a48]
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.call: init %i16 = call %bound_method.loc8_13.4(%.loc8_13.2) [concrete = constants.%int_1.f90]
-// CHECK:STDOUT:   %.loc8_13.4: ref %i16 = temporary %.loc8_13.3, %Int.as.Copy.impl.Op.call
-// CHECK:STDOUT:   %addr: %ptr.251 = addr_of %.loc8_13.4
+// CHECK:STDOUT:   %.loc8_13.4: ref %i16 = temporary %.loc8_13.3, %Int.as.Copy.impl.Op.call [concrete = constants.%.dde]
+// CHECK:STDOUT:   %addr: %ptr.251 = addr_of %.loc8_13.4 [concrete = constants.%addr]
 // CHECK:STDOUT:   %foo__carbon_thunk.call: init %empty_tuple.type = call imports.%foo__carbon_thunk.decl(%addr)
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc8_13.4, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc8_13.4)
 // CHECK:STDOUT:   <elided>
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -1651,8 +1629,8 @@ fn F() {
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.bound: <bound method> = bound_method %int_1.f90, %Int.as.Copy.impl.Op.0da [concrete]
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %Int.as.Copy.impl.Op.0da, @Int.as.Copy.impl.Op(%int_16) [concrete]
 // CHECK:STDOUT:   %bound_method.a48: <bound method> = bound_method %int_1.f90, %Int.as.Copy.impl.Op.specific_fn [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
+// CHECK:STDOUT:   %.dde: ref %i16 = temporary invalid, %int_1.f90 [concrete]
+// CHECK:STDOUT:   %addr: %ptr.251 = addr_of %.dde [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -1691,11 +1669,9 @@ fn F() {
 // CHECK:STDOUT:   %specific_fn.loc8_13.2: <specific function> = specific_function %impl.elem0.loc8_13.2, @Int.as.Copy.impl.Op(constants.%int_16) [concrete = constants.%Int.as.Copy.impl.Op.specific_fn]
 // CHECK:STDOUT:   %bound_method.loc8_13.4: <bound method> = bound_method %.loc8_13.2, %specific_fn.loc8_13.2 [concrete = constants.%bound_method.a48]
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.call: init %i16 = call %bound_method.loc8_13.4(%.loc8_13.2) [concrete = constants.%int_1.f90]
-// CHECK:STDOUT:   %.loc8_13.4: ref %i16 = temporary %.loc8_13.3, %Int.as.Copy.impl.Op.call
-// CHECK:STDOUT:   %addr: %ptr.251 = addr_of %.loc8_13.4
+// CHECK:STDOUT:   %.loc8_13.4: ref %i16 = temporary %.loc8_13.3, %Int.as.Copy.impl.Op.call [concrete = constants.%.dde]
+// CHECK:STDOUT:   %addr: %ptr.251 = addr_of %.loc8_13.4 [concrete = constants.%addr]
 // CHECK:STDOUT:   %foo__carbon_thunk.call: init %empty_tuple.type = call imports.%foo__carbon_thunk.decl(%addr)
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc8_13.4, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc8_13.4)
 // CHECK:STDOUT:   <elided>
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -1739,8 +1715,8 @@ fn F() {
 // CHECK:STDOUT:   %Float.as.Copy.impl.Op.bound: <bound method> = bound_method %float.032, %Float.as.Copy.impl.Op.d96 [concrete]
 // CHECK:STDOUT:   %Float.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %Float.as.Copy.impl.Op.d96, @Float.as.Copy.impl.Op(%int_16) [concrete]
 // CHECK:STDOUT:   %bound_method.670: <bound method> = bound_method %float.032, %Float.as.Copy.impl.Op.specific_fn [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
+// CHECK:STDOUT:   %.9d1: ref %f16.a6a = temporary invalid, %float.032 [concrete]
+// CHECK:STDOUT:   %addr: %ptr.823 = addr_of %.9d1 [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -1779,11 +1755,9 @@ fn F() {
 // CHECK:STDOUT:   %specific_fn.loc8_15.2: <specific function> = specific_function %impl.elem0.loc8_15.2, @Float.as.Copy.impl.Op(constants.%int_16) [concrete = constants.%Float.as.Copy.impl.Op.specific_fn]
 // CHECK:STDOUT:   %bound_method.loc8_15.4: <bound method> = bound_method %.loc8_15.2, %specific_fn.loc8_15.2 [concrete = constants.%bound_method.670]
 // CHECK:STDOUT:   %Float.as.Copy.impl.Op.call: init %f16.a6a = call %bound_method.loc8_15.4(%.loc8_15.2) [concrete = constants.%float.032]
-// CHECK:STDOUT:   %.loc8_15.4: ref %f16.a6a = temporary %.loc8_15.3, %Float.as.Copy.impl.Op.call
-// CHECK:STDOUT:   %addr: %ptr.823 = addr_of %.loc8_15.4
+// CHECK:STDOUT:   %.loc8_15.4: ref %f16.a6a = temporary %.loc8_15.3, %Float.as.Copy.impl.Op.call [concrete = constants.%.9d1]
+// CHECK:STDOUT:   %addr: %ptr.823 = addr_of %.loc8_15.4 [concrete = constants.%addr]
 // CHECK:STDOUT:   %foo__carbon_thunk.call: init %empty_tuple.type = call imports.%foo__carbon_thunk.decl(%addr)
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc8_15.4, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc8_15.4)
 // CHECK:STDOUT:   <elided>
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -1827,8 +1801,8 @@ fn F() {
 // CHECK:STDOUT:   %Float.as.Copy.impl.Op.bound: <bound method> = bound_method %float.4cb, %Float.as.Copy.impl.Op.27a [concrete]
 // CHECK:STDOUT:   %Float.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %Float.as.Copy.impl.Op.27a, @Float.as.Copy.impl.Op(%int_32) [concrete]
 // CHECK:STDOUT:   %bound_method.d87: <bound method> = bound_method %float.4cb, %Float.as.Copy.impl.Op.specific_fn [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
+// CHECK:STDOUT:   %.404: ref %f32.97e = temporary invalid, %float.4cb [concrete]
+// CHECK:STDOUT:   %addr: %ptr.0bc = addr_of %.404 [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -1867,11 +1841,9 @@ fn F() {
 // CHECK:STDOUT:   %specific_fn.loc8_15.2: <specific function> = specific_function %impl.elem0.loc8_15.2, @Float.as.Copy.impl.Op(constants.%int_32) [concrete = constants.%Float.as.Copy.impl.Op.specific_fn]
 // CHECK:STDOUT:   %bound_method.loc8_15.4: <bound method> = bound_method %.loc8_15.2, %specific_fn.loc8_15.2 [concrete = constants.%bound_method.d87]
 // CHECK:STDOUT:   %Float.as.Copy.impl.Op.call: init %f32.97e = call %bound_method.loc8_15.4(%.loc8_15.2) [concrete = constants.%float.4cb]
-// CHECK:STDOUT:   %.loc8_15.4: ref %f32.97e = temporary %.loc8_15.3, %Float.as.Copy.impl.Op.call
-// CHECK:STDOUT:   %addr: %ptr.0bc = addr_of %.loc8_15.4
+// CHECK:STDOUT:   %.loc8_15.4: ref %f32.97e = temporary %.loc8_15.3, %Float.as.Copy.impl.Op.call [concrete = constants.%.404]
+// CHECK:STDOUT:   %addr: %ptr.0bc = addr_of %.loc8_15.4 [concrete = constants.%addr]
 // CHECK:STDOUT:   %foo__carbon_thunk.call: init %empty_tuple.type = call imports.%foo__carbon_thunk.decl(%addr)
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc8_15.4, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc8_15.4)
 // CHECK:STDOUT:   <elided>
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -1915,8 +1887,8 @@ fn F() {
 // CHECK:STDOUT:   %Float.as.Copy.impl.Op.bound: <bound method> = bound_method %float.0fc, %Float.as.Copy.impl.Op.f05 [concrete]
 // CHECK:STDOUT:   %Float.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %Float.as.Copy.impl.Op.f05, @Float.as.Copy.impl.Op(%int_64) [concrete]
 // CHECK:STDOUT:   %bound_method.36b: <bound method> = bound_method %float.0fc, %Float.as.Copy.impl.Op.specific_fn [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
+// CHECK:STDOUT:   %.39a: ref %f64.d77 = temporary invalid, %float.0fc [concrete]
+// CHECK:STDOUT:   %addr: %ptr.bcc = addr_of %.39a [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -1955,11 +1927,9 @@ fn F() {
 // CHECK:STDOUT:   %specific_fn.loc8_15.2: <specific function> = specific_function %impl.elem0.loc8_15.2, @Float.as.Copy.impl.Op(constants.%int_64) [concrete = constants.%Float.as.Copy.impl.Op.specific_fn]
 // CHECK:STDOUT:   %bound_method.loc8_15.4: <bound method> = bound_method %.loc8_15.2, %specific_fn.loc8_15.2 [concrete = constants.%bound_method.36b]
 // CHECK:STDOUT:   %Float.as.Copy.impl.Op.call: init %f64.d77 = call %bound_method.loc8_15.4(%.loc8_15.2) [concrete = constants.%float.0fc]
-// CHECK:STDOUT:   %.loc8_15.4: ref %f64.d77 = temporary %.loc8_15.3, %Float.as.Copy.impl.Op.call
-// CHECK:STDOUT:   %addr: %ptr.bcc = addr_of %.loc8_15.4
+// CHECK:STDOUT:   %.loc8_15.4: ref %f64.d77 = temporary %.loc8_15.3, %Float.as.Copy.impl.Op.call [concrete = constants.%.39a]
+// CHECK:STDOUT:   %addr: %ptr.bcc = addr_of %.loc8_15.4 [concrete = constants.%addr]
 // CHECK:STDOUT:   %foo__carbon_thunk.call: init %empty_tuple.type = call imports.%foo__carbon_thunk.decl(%addr)
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc8_15.4, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc8_15.4)
 // CHECK:STDOUT:   <elided>
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -2003,8 +1973,8 @@ fn F() {
 // CHECK:STDOUT:   %Float.as.Copy.impl.Op.bound: <bound method> = bound_method %float.709, %Float.as.Copy.impl.Op.021 [concrete]
 // CHECK:STDOUT:   %Float.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %Float.as.Copy.impl.Op.021, @Float.as.Copy.impl.Op(%int_128) [concrete]
 // CHECK:STDOUT:   %bound_method.6ed: <bound method> = bound_method %float.709, %Float.as.Copy.impl.Op.specific_fn [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
+// CHECK:STDOUT:   %.1c5: ref %f128.b8c = temporary invalid, %float.709 [concrete]
+// CHECK:STDOUT:   %addr: %ptr.402 = addr_of %.1c5 [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -2043,11 +2013,9 @@ fn F() {
 // CHECK:STDOUT:   %specific_fn.loc8_15.2: <specific function> = specific_function %impl.elem0.loc8_15.2, @Float.as.Copy.impl.Op(constants.%int_128) [concrete = constants.%Float.as.Copy.impl.Op.specific_fn]
 // CHECK:STDOUT:   %bound_method.loc8_15.4: <bound method> = bound_method %.loc8_15.2, %specific_fn.loc8_15.2 [concrete = constants.%bound_method.6ed]
 // CHECK:STDOUT:   %Float.as.Copy.impl.Op.call: init %f128.b8c = call %bound_method.loc8_15.4(%.loc8_15.2) [concrete = constants.%float.709]
-// CHECK:STDOUT:   %.loc8_15.4: ref %f128.b8c = temporary %.loc8_15.3, %Float.as.Copy.impl.Op.call
-// CHECK:STDOUT:   %addr: %ptr.402 = addr_of %.loc8_15.4
+// CHECK:STDOUT:   %.loc8_15.4: ref %f128.b8c = temporary %.loc8_15.3, %Float.as.Copy.impl.Op.call [concrete = constants.%.1c5]
+// CHECK:STDOUT:   %addr: %ptr.402 = addr_of %.loc8_15.4 [concrete = constants.%addr]
 // CHECK:STDOUT:   %foo__carbon_thunk.call: init %empty_tuple.type = call imports.%foo__carbon_thunk.decl(%addr)
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc8_15.4, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc8_15.4)
 // CHECK:STDOUT:   <elided>
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
diff --git a/toolchain/check/testdata/interop/cpp/function/default_arg.carbon b/toolchain/check/testdata/interop/cpp/function/default_arg.carbon
index 594e923ba301..b8d64f2cdbc0 100644
--- a/toolchain/check/testdata/interop/cpp/function/default_arg.carbon
+++ b/toolchain/check/testdata/interop/cpp/function/default_arg.carbon
@@ -181,8 +181,10 @@ fn Call() {
 // CHECK:STDOUT:   %empty_struct: %empty_struct_type = struct_value () [concrete]
 // CHECK:STDOUT:   %X: type = class_type @X [concrete]
 // CHECK:STDOUT:   %X.val: %X = struct_value () [concrete]
+// CHECK:STDOUT:   %.3af: ref %X = temporary invalid, %X.val [concrete]
 // CHECK:STDOUT:   %X.B.cpp_overload_set.type: type = cpp_overload_set_type @X.B.cpp_overload_set [concrete]
 // CHECK:STDOUT:   %X.B.cpp_overload_set.value: %X.B.cpp_overload_set.type = cpp_overload_set_value @X.B.cpp_overload_set [concrete]
+// CHECK:STDOUT:   %bound_method.a5d: <bound method> = bound_method %.3af, %X.B.cpp_overload_set.value [concrete]
 // CHECK:STDOUT:   %pattern_type.46b: type = pattern_type %X [concrete]
 // CHECK:STDOUT:   %X.B.type: type = fn_type @X.B [concrete]
 // CHECK:STDOUT:   %X.B: %X.B.type = struct_value () [concrete]
@@ -192,13 +194,12 @@ fn Call() {
 // CHECK:STDOUT:   %X.C: %X.C.type = struct_value () [concrete]
 // CHECK:STDOUT:   %X.D.cpp_overload_set.type: type = cpp_overload_set_type @X.D.cpp_overload_set [concrete]
 // CHECK:STDOUT:   %X.D.cpp_overload_set.value: %X.D.cpp_overload_set.type = cpp_overload_set_value @X.D.cpp_overload_set [concrete]
+// CHECK:STDOUT:   %bound_method.d5c: <bound method> = bound_method %.3af, %X.D.cpp_overload_set.value [concrete]
 // CHECK:STDOUT:   %ptr.1f9: type = ptr_type %X [concrete]
 // CHECK:STDOUT:   %D__carbon_thunk.type: type = fn_type @D__carbon_thunk [concrete]
 // CHECK:STDOUT:   %D__carbon_thunk: %D__carbon_thunk.type = struct_value () [concrete]
 // CHECK:STDOUT:   %X.cpp_destructor.type: type = fn_type @X.cpp_destructor [concrete]
 // CHECK:STDOUT:   %X.cpp_destructor: %X.cpp_destructor.type = struct_value () [concrete]
-// CHECK:STDOUT:   %X.Op.type: type = fn_type @X.Op [concrete]
-// CHECK:STDOUT:   %X.Op: %X.Op.type = struct_value () [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -339,9 +340,9 @@ fn Call() {
 // CHECK:STDOUT:   %.loc10_5.2: ref %X = temporary_storage
 // CHECK:STDOUT:   %.loc10_5.3: init %X to %.loc10_5.2 = class_init () [concrete = constants.%X.val]
 // CHECK:STDOUT:   %.loc10_7.1: init %X = converted %.loc10_5.1, %.loc10_5.3 [concrete = constants.%X.val]
-// CHECK:STDOUT:   %.loc10_7.2: ref %X = temporary %.loc10_5.2, %.loc10_7.1
+// CHECK:STDOUT:   %.loc10_7.2: ref %X = temporary %.loc10_5.2, %.loc10_7.1 [concrete = constants.%.3af]
 // CHECK:STDOUT:   %B.ref: %X.B.cpp_overload_set.type = name_ref B, imports.%X.B.cpp_overload_set.value [concrete = constants.%X.B.cpp_overload_set.value]
-// CHECK:STDOUT:   %bound_method.loc10_16: <bound method> = bound_method %.loc10_7.2, %B.ref
+// CHECK:STDOUT:   %bound_method.loc10_16: <bound method> = bound_method %.loc10_7.2, %B.ref [concrete = constants.%bound_method.a5d]
 // CHECK:STDOUT:   %int_1.loc10: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
 // CHECK:STDOUT:   %int_2.loc10: Core.IntLiteral = int_value 2 [concrete = constants.%int_2.ecc]
 // CHECK:STDOUT:   %impl.elem0.loc10_19: %.545 = impl_witness_access constants.%ImplicitAs.impl_witness.6bc, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5]
@@ -385,9 +386,9 @@ fn Call() {
 // CHECK:STDOUT:   %.loc12_5.2: ref %X = temporary_storage
 // CHECK:STDOUT:   %.loc12_5.3: init %X to %.loc12_5.2 = class_init () [concrete = constants.%X.val]
 // CHECK:STDOUT:   %.loc12_7.1: init %X = converted %.loc12_5.1, %.loc12_5.3 [concrete = constants.%X.val]
-// CHECK:STDOUT:   %.loc12_7.2: ref %X = temporary %.loc12_5.2, %.loc12_7.1
+// CHECK:STDOUT:   %.loc12_7.2: ref %X = temporary %.loc12_5.2, %.loc12_7.1 [concrete = constants.%.3af]
 // CHECK:STDOUT:   %D.ref: %X.D.cpp_overload_set.type = name_ref D, imports.%X.D.cpp_overload_set.value [concrete = constants.%X.D.cpp_overload_set.value]
-// CHECK:STDOUT:   %bound_method.loc12_16: <bound method> = bound_method %.loc12_7.2, %D.ref
+// CHECK:STDOUT:   %bound_method.loc12_16: <bound method> = bound_method %.loc12_7.2, %D.ref [concrete = constants.%bound_method.d5c]
 // CHECK:STDOUT:   %int_1.loc12: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
 // CHECK:STDOUT:   %int_2.loc12: Core.IntLiteral = int_value 2 [concrete = constants.%int_2.ecc]
 // CHECK:STDOUT:   %.loc12_7.3: %X = acquire_value %.loc12_7.2
@@ -409,14 +410,8 @@ fn Call() {
 // CHECK:STDOUT:   %addr: %ptr.1f9 = addr_of %.loc12_7.4
 // CHECK:STDOUT:   %D__carbon_thunk.call: init %empty_tuple.type = call imports.%D__carbon_thunk.decl(%addr, %.loc12_19.2, %.loc12_22.2)
 // CHECK:STDOUT:   <elided>
-// CHECK:STDOUT:   %X.Op.bound.loc12: <bound method> = bound_method %.loc12_7.2, constants.%X.Op
 // CHECK:STDOUT:   %Op.ref.loc12: %X.cpp_destructor.type = name_ref Op, imports.%X.cpp_destructor.decl [concrete = constants.%X.cpp_destructor]
-// CHECK:STDOUT:   %X.cpp_destructor.bound.loc12: <bound method> = bound_method %.loc12_7.2, %Op.ref.loc12
-// CHECK:STDOUT:   %X.cpp_destructor.call.loc12: init %empty_tuple.type = call %X.cpp_destructor.bound.loc12(%.loc12_7.2)
-// CHECK:STDOUT:   %X.Op.bound.loc10: <bound method> = bound_method %.loc10_7.2, constants.%X.Op
 // CHECK:STDOUT:   %Op.ref.loc10: %X.cpp_destructor.type = name_ref Op, imports.%X.cpp_destructor.decl [concrete = constants.%X.cpp_destructor]
-// CHECK:STDOUT:   %X.cpp_destructor.bound.loc10: <bound method> = bound_method %.loc10_7.2, %Op.ref.loc10
-// CHECK:STDOUT:   %X.cpp_destructor.call.loc10: init %empty_tuple.type = call %X.cpp_destructor.bound.loc10(%.loc10_7.2)
 // CHECK:STDOUT:   <elided>
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -471,8 +466,10 @@ fn Call() {
 // CHECK:STDOUT:   %X: type = class_type @X [concrete]
 // CHECK:STDOUT:   %complete_type.357: <witness> = complete_type_witness %empty_struct_type [concrete]
 // CHECK:STDOUT:   %X.val: %X = struct_value () [concrete]
+// CHECK:STDOUT:   %.3af: ref %X = temporary invalid, %X.val [concrete]
 // CHECK:STDOUT:   %X.B.cpp_overload_set.type: type = cpp_overload_set_type @X.B.cpp_overload_set [concrete]
 // CHECK:STDOUT:   %X.B.cpp_overload_set.value: %X.B.cpp_overload_set.type = cpp_overload_set_value @X.B.cpp_overload_set [concrete]
+// CHECK:STDOUT:   %bound_method.a5d: <bound method> = bound_method %.3af, %X.B.cpp_overload_set.value [concrete]
 // CHECK:STDOUT:   %pattern_type.46b: type = pattern_type %X [concrete]
 // CHECK:STDOUT:   %B__carbon_thunk.type: type = fn_type @B__carbon_thunk [concrete]
 // CHECK:STDOUT:   %B__carbon_thunk: %B__carbon_thunk.type = struct_value () [concrete]
@@ -482,6 +479,7 @@ fn Call() {
 // CHECK:STDOUT:   %C__carbon_thunk: %C__carbon_thunk.type = struct_value () [concrete]
 // CHECK:STDOUT:   %X.D.cpp_overload_set.type: type = cpp_overload_set_type @X.D.cpp_overload_set [concrete]
 // CHECK:STDOUT:   %X.D.cpp_overload_set.value: %X.D.cpp_overload_set.type = cpp_overload_set_value @X.D.cpp_overload_set [concrete]
+// CHECK:STDOUT:   %bound_method.d5c: <bound method> = bound_method %.3af, %X.D.cpp_overload_set.value [concrete]
 // CHECK:STDOUT:   %ptr.1f9: type = ptr_type %X [concrete]
 // CHECK:STDOUT:   %pattern_type.45c: type = pattern_type %ptr.1f9 [concrete]
 // CHECK:STDOUT:   %D__carbon_thunk.type: type = fn_type @D__carbon_thunk [concrete]
@@ -755,9 +753,9 @@ fn Call() {
 // CHECK:STDOUT:   %.loc11_5.2: ref %X = temporary_storage
 // CHECK:STDOUT:   %.loc11_5.3: init %X to %.loc11_5.2 = class_init () [concrete = constants.%X.val]
 // CHECK:STDOUT:   %.loc11_7.1: init %X = converted %.loc11_5.1, %.loc11_5.3 [concrete = constants.%X.val]
-// CHECK:STDOUT:   %.loc11_7.2: ref %X = temporary %.loc11_5.2, %.loc11_7.1
+// CHECK:STDOUT:   %.loc11_7.2: ref %X = temporary %.loc11_5.2, %.loc11_7.1 [concrete = constants.%.3af]
 // CHECK:STDOUT:   %B.ref: %X.B.cpp_overload_set.type = name_ref B, imports.%X.B.cpp_overload_set.value [concrete = constants.%X.B.cpp_overload_set.value]
-// CHECK:STDOUT:   %bound_method.loc11_16: <bound method> = bound_method %.loc11_7.2, %B.ref
+// CHECK:STDOUT:   %bound_method.loc11_16: <bound method> = bound_method %.loc11_7.2, %B.ref [concrete = constants.%bound_method.a5d]
 // CHECK:STDOUT:   %int_1.loc11: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
 // CHECK:STDOUT:   %impl.elem0.loc11: %.545 = impl_witness_access constants.%ImplicitAs.impl_witness.6bc, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5]
 // CHECK:STDOUT:   %bound_method.loc11_19.1: <bound method> = bound_method %int_1.loc11, %impl.elem0.loc11 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.215]
@@ -785,9 +783,9 @@ fn Call() {
 // CHECK:STDOUT:   %.loc13_5.2: ref %X = temporary_storage
 // CHECK:STDOUT:   %.loc13_5.3: init %X to %.loc13_5.2 = class_init () [concrete = constants.%X.val]
 // CHECK:STDOUT:   %.loc13_7.1: init %X = converted %.loc13_5.1, %.loc13_5.3 [concrete = constants.%X.val]
-// CHECK:STDOUT:   %.loc13_7.2: ref %X = temporary %.loc13_5.2, %.loc13_7.1
+// CHECK:STDOUT:   %.loc13_7.2: ref %X = temporary %.loc13_5.2, %.loc13_7.1 [concrete = constants.%.3af]
 // CHECK:STDOUT:   %D.ref: %X.D.cpp_overload_set.type = name_ref D, imports.%X.D.cpp_overload_set.value [concrete = constants.%X.D.cpp_overload_set.value]
-// CHECK:STDOUT:   %bound_method.loc13_16: <bound method> = bound_method %.loc13_7.2, %D.ref
+// CHECK:STDOUT:   %bound_method.loc13_16: <bound method> = bound_method %.loc13_7.2, %D.ref [concrete = constants.%bound_method.d5c]
 // CHECK:STDOUT:   %int_1.loc13: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
 // CHECK:STDOUT:   %.loc13_7.3: %X = acquire_value %.loc13_7.2
 // CHECK:STDOUT:   %impl.elem0.loc13: %.545 = impl_witness_access constants.%ImplicitAs.impl_witness.6bc, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5]
@@ -807,14 +805,8 @@ fn Call() {
 // CHECK:STDOUT:     %self.param: ref %X = ref_param call_param0
 // CHECK:STDOUT:     %self: ref %X = ref_binding self, %self.param
 // CHECK:STDOUT:   }
-// CHECK:STDOUT:   %X.Op.bound.loc13: <bound method> = bound_method %.loc13_7.2, constants.%X.Op
 // CHECK:STDOUT:   %Op.ref.loc13: %X.cpp_destructor.type = name_ref Op, imports.%X.cpp_destructor.decl [concrete = constants.%X.cpp_destructor]
-// CHECK:STDOUT:   %X.cpp_destructor.bound.loc13: <bound method> = bound_method %.loc13_7.2, %Op.ref.loc13
-// CHECK:STDOUT:   %X.cpp_destructor.call.loc13: init %empty_tuple.type = call %X.cpp_destructor.bound.loc13(%.loc13_7.2)
-// CHECK:STDOUT:   %X.Op.bound.loc11: <bound method> = bound_method %.loc11_7.2, constants.%X.Op
 // CHECK:STDOUT:   %Op.ref.loc11: %X.cpp_destructor.type = name_ref Op, imports.%X.cpp_destructor.decl [concrete = constants.%X.cpp_destructor]
-// CHECK:STDOUT:   %X.cpp_destructor.bound.loc11: <bound method> = bound_method %.loc11_7.2, %Op.ref.loc11
-// CHECK:STDOUT:   %X.cpp_destructor.call.loc11: init %empty_tuple.type = call %X.cpp_destructor.bound.loc11(%.loc11_7.2)
 // CHECK:STDOUT:   return
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -855,7 +847,6 @@ fn Call() {
 // CHECK:STDOUT: --- fail_call_too_few_args.carbon
 // CHECK:STDOUT:
 // CHECK:STDOUT: constants {
-// CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
 // CHECK:STDOUT:   %GlobalNoReturn.cpp_overload_set.type: type = cpp_overload_set_type @GlobalNoReturn.cpp_overload_set [concrete]
 // CHECK:STDOUT:   %GlobalNoReturn.cpp_overload_set.value: %GlobalNoReturn.cpp_overload_set.type = cpp_overload_set_value @GlobalNoReturn.cpp_overload_set [concrete]
 // CHECK:STDOUT:   %int_1: Core.IntLiteral = int_value 1 [concrete]
@@ -865,17 +856,18 @@ fn Call() {
 // CHECK:STDOUT:   %empty_struct: %empty_struct_type = struct_value () [concrete]
 // CHECK:STDOUT:   %X: type = class_type @X [concrete]
 // CHECK:STDOUT:   %X.val: %X = struct_value () [concrete]
+// CHECK:STDOUT:   %.3af: ref %X = temporary invalid, %X.val [concrete]
 // CHECK:STDOUT:   %X.B.cpp_overload_set.type: type = cpp_overload_set_type @X.B.cpp_overload_set [concrete]
 // CHECK:STDOUT:   %X.B.cpp_overload_set.value: %X.B.cpp_overload_set.type = cpp_overload_set_value @X.B.cpp_overload_set [concrete]
+// CHECK:STDOUT:   %bound_method.a5d: <bound method> = bound_method %.3af, %X.B.cpp_overload_set.value [concrete]
 // CHECK:STDOUT:   %X.C.cpp_overload_set.type: type = cpp_overload_set_type @X.C.cpp_overload_set [concrete]
 // CHECK:STDOUT:   %X.C.cpp_overload_set.value: %X.C.cpp_overload_set.type = cpp_overload_set_value @X.C.cpp_overload_set [concrete]
 // CHECK:STDOUT:   %X.D.cpp_overload_set.type: type = cpp_overload_set_type @X.D.cpp_overload_set [concrete]
 // CHECK:STDOUT:   %X.D.cpp_overload_set.value: %X.D.cpp_overload_set.type = cpp_overload_set_value @X.D.cpp_overload_set [concrete]
+// CHECK:STDOUT:   %bound_method.d5c: <bound method> = bound_method %.3af, %X.D.cpp_overload_set.value [concrete]
 // CHECK:STDOUT:   %pattern_type.46b: type = pattern_type %X [concrete]
 // CHECK:STDOUT:   %X.cpp_destructor.type: type = fn_type @X.cpp_destructor [concrete]
 // CHECK:STDOUT:   %X.cpp_destructor: %X.cpp_destructor.type = struct_value () [concrete]
-// CHECK:STDOUT:   %X.Op.type: type = fn_type @X.Op [concrete]
-// CHECK:STDOUT:   %X.Op: %X.Op.type = struct_value () [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -918,9 +910,9 @@ fn Call() {
 // CHECK:STDOUT:   %.loc56_5.2: ref %X = temporary_storage
 // CHECK:STDOUT:   %.loc56_5.3: init %X to %.loc56_5.2 = class_init () [concrete = constants.%X.val]
 // CHECK:STDOUT:   %.loc56_7.1: init %X = converted %.loc56_5.1, %.loc56_5.3 [concrete = constants.%X.val]
-// CHECK:STDOUT:   %.loc56_7.2: ref %X = temporary %.loc56_5.2, %.loc56_7.1
+// CHECK:STDOUT:   %.loc56_7.2: ref %X = temporary %.loc56_5.2, %.loc56_7.1 [concrete = constants.%.3af]
 // CHECK:STDOUT:   %B.ref: %X.B.cpp_overload_set.type = name_ref B, imports.%X.B.cpp_overload_set.value [concrete = constants.%X.B.cpp_overload_set.value]
-// CHECK:STDOUT:   %bound_method.loc56: <bound method> = bound_method %.loc56_7.2, %B.ref
+// CHECK:STDOUT:   %bound_method.loc56: <bound method> = bound_method %.loc56_7.2, %B.ref [concrete = constants.%bound_method.a5d]
 // CHECK:STDOUT:   %Cpp.ref.loc66: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
 // CHECK:STDOUT:   %X.ref.loc66: type = name_ref X, imports.%X.decl [concrete = constants.%X]
 // CHECK:STDOUT:   %C.ref: %X.C.cpp_overload_set.type = name_ref C, imports.%X.C.cpp_overload_set.value [concrete = constants.%X.C.cpp_overload_set.value]
@@ -930,18 +922,12 @@ fn Call() {
 // CHECK:STDOUT:   %.loc76_5.2: ref %X = temporary_storage
 // CHECK:STDOUT:   %.loc76_5.3: init %X to %.loc76_5.2 = class_init () [concrete = constants.%X.val]
 // CHECK:STDOUT:   %.loc76_7.1: init %X = converted %.loc76_5.1, %.loc76_5.3 [concrete = constants.%X.val]
-// CHECK:STDOUT:   %.loc76_7.2: ref %X = temporary %.loc76_5.2, %.loc76_7.1
+// CHECK:STDOUT:   %.loc76_7.2: ref %X = temporary %.loc76_5.2, %.loc76_7.1 [concrete = constants.%.3af]
 // CHECK:STDOUT:   %D.ref: %X.D.cpp_overload_set.type = name_ref D, imports.%X.D.cpp_overload_set.value [concrete = constants.%X.D.cpp_overload_set.value]
-// CHECK:STDOUT:   %bound_method.loc76: <bound method> = bound_method %.loc76_7.2, %D.ref
+// CHECK:STDOUT:   %bound_method.loc76: <bound method> = bound_method %.loc76_7.2, %D.ref [concrete = constants.%bound_method.d5c]
 // CHECK:STDOUT:   <elided>
-// CHECK:STDOUT:   %X.Op.bound.loc76: <bound method> = bound_method %.loc76_7.2, constants.%X.Op
 // CHECK:STDOUT:   %Op.ref.loc76: %X.cpp_destructor.type = name_ref Op, imports.%X.cpp_destructor.decl [concrete = constants.%X.cpp_destructor]
-// CHECK:STDOUT:   %X.cpp_destructor.bound.loc76: <bound method> = bound_method %.loc76_7.2, %Op.ref.loc76
-// CHECK:STDOUT:   %X.cpp_destructor.call.loc76: init %empty_tuple.type = call %X.cpp_destructor.bound.loc76(%.loc76_7.2)
-// CHECK:STDOUT:   %X.Op.bound.loc56: <bound method> = bound_method %.loc56_7.2, constants.%X.Op
 // CHECK:STDOUT:   %Op.ref.loc56: %X.cpp_destructor.type = name_ref Op, imports.%X.cpp_destructor.decl [concrete = constants.%X.cpp_destructor]
-// CHECK:STDOUT:   %X.cpp_destructor.bound.loc56: <bound method> = bound_method %.loc56_7.2, %Op.ref.loc56
-// CHECK:STDOUT:   %X.cpp_destructor.call.loc56: init %empty_tuple.type = call %X.cpp_destructor.bound.loc56(%.loc56_7.2)
 // CHECK:STDOUT:   <elided>
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
diff --git a/toolchain/check/testdata/interop/cpp/function/full_semir.carbon b/toolchain/check/testdata/interop/cpp/function/full_semir.carbon
index 04f32f238934..6e2071ee8200 100644
--- a/toolchain/check/testdata/interop/cpp/function/full_semir.carbon
+++ b/toolchain/check/testdata/interop/cpp/function/full_semir.carbon
@@ -111,9 +111,9 @@ fn F() {
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.bound: <bound method> = bound_method %int_1.f90, %Int.as.Copy.impl.Op.0da [concrete]
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %Int.as.Copy.impl.Op.0da, @Int.as.Copy.impl.Op(%int_16) [concrete]
 // CHECK:STDOUT:   %bound_method.a48: <bound method> = bound_method %int_1.f90, %Int.as.Copy.impl.Op.specific_fn [concrete]
+// CHECK:STDOUT:   %.dde: ref %i16 = temporary invalid, %int_1.f90 [concrete]
+// CHECK:STDOUT:   %addr: %ptr.251 = addr_of %.dde [concrete]
 // CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -184,11 +184,9 @@ fn F() {
 // CHECK:STDOUT:   %specific_fn.loc7_13.2: <specific function> = specific_function %impl.elem0.loc7_13.2, @Int.as.Copy.impl.Op(constants.%int_16) [concrete = constants.%Int.as.Copy.impl.Op.specific_fn]
 // CHECK:STDOUT:   %bound_method.loc7_13.4: <bound method> = bound_method %.loc7_13.2, %specific_fn.loc7_13.2 [concrete = constants.%bound_method.a48]
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.call: init %i16 = call %bound_method.loc7_13.4(%.loc7_13.2) [concrete = constants.%int_1.f90]
-// CHECK:STDOUT:   %.loc7_13.4: ref %i16 = temporary %.loc7_13.3, %Int.as.Copy.impl.Op.call
-// CHECK:STDOUT:   %addr: %ptr.251 = addr_of %.loc7_13.4
+// CHECK:STDOUT:   %.loc7_13.4: ref %i16 = temporary %.loc7_13.3, %Int.as.Copy.impl.Op.call [concrete = constants.%.dde]
+// CHECK:STDOUT:   %addr: %ptr.251 = addr_of %.loc7_13.4 [concrete = constants.%addr]
 // CHECK:STDOUT:   %foo__carbon_thunk.call: init %empty_tuple.type = call imports.%foo__carbon_thunk.decl(%addr)
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc7_13.4, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc7_13.4)
 // CHECK:STDOUT:   return
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
diff --git a/toolchain/check/testdata/interop/cpp/function/inline.carbon b/toolchain/check/testdata/interop/cpp/function/inline.carbon
index 2067af72f502..75262fc4576e 100644
--- a/toolchain/check/testdata/interop/cpp/function/inline.carbon
+++ b/toolchain/check/testdata/interop/cpp/function/inline.carbon
@@ -201,6 +201,8 @@ fn MyF() {
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.bound: <bound method> = bound_method %int_1.f90, %Int.as.Copy.impl.Op.0da [concrete]
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %Int.as.Copy.impl.Op.0da, @Int.as.Copy.impl.Op(%int_16) [concrete]
 // CHECK:STDOUT:   %bound_method.a48: <bound method> = bound_method %int_1.f90, %Int.as.Copy.impl.Op.specific_fn [concrete]
+// CHECK:STDOUT:   %.dde: ref %i16 = temporary invalid, %int_1.f90 [concrete]
+// CHECK:STDOUT:   %addr: %ptr.251 = addr_of %.dde [concrete]
 // CHECK:STDOUT:   %ThunkOnReturn.cpp_overload_set.type: type = cpp_overload_set_type @ThunkOnReturn.cpp_overload_set [concrete]
 // CHECK:STDOUT:   %ThunkOnReturn.cpp_overload_set.value: %ThunkOnReturn.cpp_overload_set.type = cpp_overload_set_value @ThunkOnReturn.cpp_overload_set [concrete]
 // CHECK:STDOUT:   %ThunkOnReturn__carbon_thunk.type: type = fn_type @ThunkOnReturn__carbon_thunk [concrete]
@@ -290,8 +292,8 @@ fn MyF() {
 // CHECK:STDOUT:   %specific_fn.loc14_39.2: <specific function> = specific_function %impl.elem0.loc14_39.2, @Int.as.Copy.impl.Op(constants.%int_16) [concrete = constants.%Int.as.Copy.impl.Op.specific_fn]
 // CHECK:STDOUT:   %bound_method.loc14_39.4: <bound method> = bound_method %.loc14_39.2, %specific_fn.loc14_39.2 [concrete = constants.%bound_method.a48]
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.call.loc14: init %i16 = call %bound_method.loc14_39.4(%.loc14_39.2) [concrete = constants.%int_1.f90]
-// CHECK:STDOUT:   %.loc14_39.4: ref %i16 = temporary %.loc14_39.3, %Int.as.Copy.impl.Op.call.loc14
-// CHECK:STDOUT:   %addr.loc14: %ptr.251 = addr_of %.loc14_39.4
+// CHECK:STDOUT:   %.loc14_39.4: ref %i16 = temporary %.loc14_39.3, %Int.as.Copy.impl.Op.call.loc14 [concrete = constants.%.dde]
+// CHECK:STDOUT:   %addr.loc14: %ptr.251 = addr_of %.loc14_39.4 [concrete = constants.%addr]
 // CHECK:STDOUT:   %ThunkOnArg__carbon_thunk.call: init %i32 = call imports.%ThunkOnArg__carbon_thunk.decl(%addr.loc14)
 // CHECK:STDOUT:   %i32.loc14: type = type_literal constants.%i32 [concrete = constants.%i32]
 // CHECK:STDOUT:   %.loc14_40.1: %i32 = value_of_initializer %ThunkOnArg__carbon_thunk.call
@@ -337,8 +339,8 @@ fn MyF() {
 // CHECK:STDOUT:   %specific_fn.loc16_40.2: <specific function> = specific_function %impl.elem0.loc16_40.2, @Int.as.Copy.impl.Op(constants.%int_16) [concrete = constants.%Int.as.Copy.impl.Op.specific_fn]
 // CHECK:STDOUT:   %bound_method.loc16_40.4: <bound method> = bound_method %.loc16_40.2, %specific_fn.loc16_40.2 [concrete = constants.%bound_method.a48]
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.call.loc16: init %i16 = call %bound_method.loc16_40.4(%.loc16_40.2) [concrete = constants.%int_1.f90]
-// CHECK:STDOUT:   %.loc16_40.4: ref %i16 = temporary %.loc16_40.3, %Int.as.Copy.impl.Op.call.loc16
-// CHECK:STDOUT:   %addr.loc16_41.1: %ptr.251 = addr_of %.loc16_40.4
+// CHECK:STDOUT:   %.loc16_40.4: ref %i16 = temporary %.loc16_40.3, %Int.as.Copy.impl.Op.call.loc16 [concrete = constants.%.dde]
+// CHECK:STDOUT:   %addr.loc16_41.1: %ptr.251 = addr_of %.loc16_40.4 [concrete = constants.%addr]
 // CHECK:STDOUT:   %.loc16_41.1: ref %i16 = temporary_storage
 // CHECK:STDOUT:   %addr.loc16_41.2: %ptr.251 = addr_of %.loc16_41.1
 // CHECK:STDOUT:   %ThunkOnBoth__carbon_thunk.call: init %empty_tuple.type = call imports.%ThunkOnBoth__carbon_thunk.decl(%addr.loc16_41.1, %addr.loc16_41.2)
@@ -347,14 +349,10 @@ fn MyF() {
 // CHECK:STDOUT:   %.loc16_41.3: ref %i16 = temporary %.loc16_41.1, %.loc16_41.2
 // CHECK:STDOUT:   %.loc16_41.4: %i16 = acquire_value %.loc16_41.3
 // CHECK:STDOUT:   %r4: %i16 = value_binding r4, %.loc16_41.4
-// CHECK:STDOUT:   %Destroy.Op.bound.loc16_41: <bound method> = bound_method %.loc16_41.3, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call.loc16_41: init %empty_tuple.type = call %Destroy.Op.bound.loc16_41(%.loc16_41.3)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc16_40: <bound method> = bound_method %.loc16_40.4, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call.loc16_40: init %empty_tuple.type = call %Destroy.Op.bound.loc16_40(%.loc16_40.4)
+// CHECK:STDOUT:   %Destroy.Op.bound.loc16: <bound method> = bound_method %.loc16_41.3, constants.%Destroy.Op
+// CHECK:STDOUT:   %Destroy.Op.call.loc16: init %empty_tuple.type = call %Destroy.Op.bound.loc16(%.loc16_41.3)
 // CHECK:STDOUT:   %Destroy.Op.bound.loc15: <bound method> = bound_method %.loc15_43.3, constants.%Destroy.Op
 // CHECK:STDOUT:   %Destroy.Op.call.loc15: init %empty_tuple.type = call %Destroy.Op.bound.loc15(%.loc15_43.3)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc14: <bound method> = bound_method %.loc14_39.4, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call.loc14: init %empty_tuple.type = call %Destroy.Op.bound.loc14(%.loc14_39.4)
 // CHECK:STDOUT:   <elided>
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
diff --git a/toolchain/check/testdata/interop/cpp/function/overloads.carbon b/toolchain/check/testdata/interop/cpp/function/overloads.carbon
index abc8376c18c6..27c04850fe4e 100644
--- a/toolchain/check/testdata/interop/cpp/function/overloads.carbon
+++ b/toolchain/check/testdata/interop/cpp/function/overloads.carbon
@@ -836,9 +836,9 @@ fn F() {
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.bound: <bound method> = bound_method %int_1.f90, %Int.as.Copy.impl.Op.0da [concrete]
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %Int.as.Copy.impl.Op.0da, @Int.as.Copy.impl.Op(%int_16) [concrete]
 // CHECK:STDOUT:   %bound_method.a48: <bound method> = bound_method %int_1.f90, %Int.as.Copy.impl.Op.specific_fn [concrete]
+// CHECK:STDOUT:   %.dde: ref %i16 = temporary invalid, %int_1.f90 [concrete]
+// CHECK:STDOUT:   %addr: %ptr.251 = addr_of %.dde [concrete]
 // CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -909,11 +909,9 @@ fn F() {
 // CHECK:STDOUT:   %specific_fn.loc7_13.2: <specific function> = specific_function %impl.elem0.loc7_13.2, @Int.as.Copy.impl.Op(constants.%int_16) [concrete = constants.%Int.as.Copy.impl.Op.specific_fn]
 // CHECK:STDOUT:   %bound_method.loc7_13.4: <bound method> = bound_method %.loc7_13.2, %specific_fn.loc7_13.2 [concrete = constants.%bound_method.a48]
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.call: init %i16 = call %bound_method.loc7_13.4(%.loc7_13.2) [concrete = constants.%int_1.f90]
-// CHECK:STDOUT:   %.loc7_13.4: ref %i16 = temporary %.loc7_13.3, %Int.as.Copy.impl.Op.call
-// CHECK:STDOUT:   %addr: %ptr.251 = addr_of %.loc7_13.4
+// CHECK:STDOUT:   %.loc7_13.4: ref %i16 = temporary %.loc7_13.3, %Int.as.Copy.impl.Op.call [concrete = constants.%.dde]
+// CHECK:STDOUT:   %addr: %ptr.251 = addr_of %.loc7_13.4 [concrete = constants.%addr]
 // CHECK:STDOUT:   %bar__carbon_thunk.call: init %empty_tuple.type = call imports.%bar__carbon_thunk.decl(%addr)
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc7_13.4, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc7_13.4)
 // CHECK:STDOUT:   return
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -1081,9 +1079,9 @@ fn F() {
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.bound: <bound method> = bound_method %int_1.f90, %Int.as.Copy.impl.Op.0da [concrete]
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %Int.as.Copy.impl.Op.0da, @Int.as.Copy.impl.Op(%int_16) [concrete]
 // CHECK:STDOUT:   %bound_method.a48: <bound method> = bound_method %int_1.f90, %Int.as.Copy.impl.Op.specific_fn [concrete]
+// CHECK:STDOUT:   %.dde: ref %i16 = temporary invalid, %int_1.f90 [concrete]
+// CHECK:STDOUT:   %addr: %ptr.251 = addr_of %.dde [concrete]
 // CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -1178,11 +1176,9 @@ fn F() {
 // CHECK:STDOUT:   %specific_fn.loc8_13.2: <specific function> = specific_function %impl.elem0.loc8_13.2, @Int.as.Copy.impl.Op(constants.%int_16) [concrete = constants.%Int.as.Copy.impl.Op.specific_fn]
 // CHECK:STDOUT:   %bound_method.loc8_13.4: <bound method> = bound_method %.loc8_13.2, %specific_fn.loc8_13.2 [concrete = constants.%bound_method.a48]
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.call: init %i16 = call %bound_method.loc8_13.4(%.loc8_13.2) [concrete = constants.%int_1.f90]
-// CHECK:STDOUT:   %.loc8_13.4: ref %i16 = temporary %.loc8_13.3, %Int.as.Copy.impl.Op.call
-// CHECK:STDOUT:   %addr: %ptr.251 = addr_of %.loc8_13.4
+// CHECK:STDOUT:   %.loc8_13.4: ref %i16 = temporary %.loc8_13.3, %Int.as.Copy.impl.Op.call [concrete = constants.%.dde]
+// CHECK:STDOUT:   %addr: %ptr.251 = addr_of %.loc8_13.4 [concrete = constants.%addr]
 // CHECK:STDOUT:   %foo__carbon_thunk.call: init %empty_tuple.type = call imports.%foo__carbon_thunk.decl(%addr)
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc8_13.4, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc8_13.4)
 // CHECK:STDOUT:   return
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -1407,24 +1403,32 @@ fn F() {
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.bound.def: <bound method> = bound_method %int_9223372036854775808.f14, %Int.as.Copy.impl.Op.bc1 [concrete]
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %Int.as.Copy.impl.Op.bc1, @Int.as.Copy.impl.Op(%int_128) [concrete]
 // CHECK:STDOUT:   %bound_method.b4e: <bound method> = bound_method %int_9223372036854775808.f14, %Int.as.Copy.impl.Op.specific_fn [concrete]
+// CHECK:STDOUT:   %.5bc: ref %i128 = temporary invalid, %int_9223372036854775808.f14 [concrete]
+// CHECK:STDOUT:   %addr.e72: %ptr.974 = addr_of %.5bc [concrete]
 // CHECK:STDOUT:   %int_18446744073709551615.5ec: Core.IntLiteral = int_value 18446744073709551615 [concrete]
 // CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.9ac: <bound method> = bound_method %int_18446744073709551615.5ec, %Core.IntLiteral.as.ImplicitAs.impl.Convert.75a [concrete]
 // CHECK:STDOUT:   %bound_method.422: <bound method> = bound_method %int_18446744073709551615.5ec, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn.e59 [concrete]
 // CHECK:STDOUT:   %int_18446744073709551615.f56: %i128 = int_value 18446744073709551615 [concrete]
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.bound.cf0: <bound method> = bound_method %int_18446744073709551615.f56, %Int.as.Copy.impl.Op.bc1 [concrete]
 // CHECK:STDOUT:   %bound_method.2cb: <bound method> = bound_method %int_18446744073709551615.f56, %Int.as.Copy.impl.Op.specific_fn [concrete]
+// CHECK:STDOUT:   %.2ee: ref %i128 = temporary invalid, %int_18446744073709551615.f56 [concrete]
+// CHECK:STDOUT:   %addr.9bf: %ptr.974 = addr_of %.2ee [concrete]
 // CHECK:STDOUT:   %int_18446744073709551616.1ee: Core.IntLiteral = int_value 18446744073709551616 [concrete]
 // CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.6a3: <bound method> = bound_method %int_18446744073709551616.1ee, %Core.IntLiteral.as.ImplicitAs.impl.Convert.75a [concrete]
 // CHECK:STDOUT:   %bound_method.e31: <bound method> = bound_method %int_18446744073709551616.1ee, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn.e59 [concrete]
 // CHECK:STDOUT:   %int_18446744073709551616.92b: %i128 = int_value 18446744073709551616 [concrete]
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.bound.bcd: <bound method> = bound_method %int_18446744073709551616.92b, %Int.as.Copy.impl.Op.bc1 [concrete]
 // CHECK:STDOUT:   %bound_method.6a9: <bound method> = bound_method %int_18446744073709551616.92b, %Int.as.Copy.impl.Op.specific_fn [concrete]
+// CHECK:STDOUT:   %.4db: ref %i128 = temporary invalid, %int_18446744073709551616.92b [concrete]
+// CHECK:STDOUT:   %addr.84d: %ptr.974 = addr_of %.4db [concrete]
 // CHECK:STDOUT:   %int_170141183460469231731687303715884105727.fea: Core.IntLiteral = int_value 170141183460469231731687303715884105727 [concrete]
 // CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.8e8: <bound method> = bound_method %int_170141183460469231731687303715884105727.fea, %Core.IntLiteral.as.ImplicitAs.impl.Convert.75a [concrete]
 // CHECK:STDOUT:   %bound_method.d00: <bound method> = bound_method %int_170141183460469231731687303715884105727.fea, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn.e59 [concrete]
 // CHECK:STDOUT:   %int_170141183460469231731687303715884105727.ff5: %i128 = int_value 170141183460469231731687303715884105727 [concrete]
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.bound.78b: <bound method> = bound_method %int_170141183460469231731687303715884105727.ff5, %Int.as.Copy.impl.Op.bc1 [concrete]
 // CHECK:STDOUT:   %bound_method.2fb: <bound method> = bound_method %int_170141183460469231731687303715884105727.ff5, %Int.as.Copy.impl.Op.specific_fn [concrete]
+// CHECK:STDOUT:   %.7df: ref %i128 = temporary invalid, %int_170141183460469231731687303715884105727.ff5 [concrete]
+// CHECK:STDOUT:   %addr.6a2: %ptr.974 = addr_of %.7df [concrete]
 // CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
 // CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
 // CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
@@ -1637,8 +1641,8 @@ fn F() {
 // CHECK:STDOUT:   %specific_fn.loc22_32.2: <specific function> = specific_function %impl.elem0.loc22_32.2, @Int.as.Copy.impl.Op(constants.%int_128) [concrete = constants.%Int.as.Copy.impl.Op.specific_fn]
 // CHECK:STDOUT:   %bound_method.loc22_32.4: <bound method> = bound_method %.loc22_32.2, %specific_fn.loc22_32.2 [concrete = constants.%bound_method.b4e]
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.call.loc22: init %i128 = call %bound_method.loc22_32.4(%.loc22_32.2) [concrete = constants.%int_9223372036854775808.f14]
-// CHECK:STDOUT:   %.loc22_32.4: ref %i128 = temporary %.loc22_32.3, %Int.as.Copy.impl.Op.call.loc22
-// CHECK:STDOUT:   %addr.loc22_51.1: %ptr.974 = addr_of %.loc22_32.4
+// CHECK:STDOUT:   %.loc22_32.4: ref %i128 = temporary %.loc22_32.3, %Int.as.Copy.impl.Op.call.loc22 [concrete = constants.%.5bc]
+// CHECK:STDOUT:   %addr.loc22_51.1: %ptr.974 = addr_of %.loc22_32.4 [concrete = constants.%addr.e72]
 // CHECK:STDOUT:   %.loc22_51.1: ref %i128 = temporary_storage
 // CHECK:STDOUT:   %addr.loc22_51.2: %ptr.974 = addr_of %.loc22_51.1
 // CHECK:STDOUT:   %foo__carbon_thunk.call.loc22: init %empty_tuple.type = call imports.%foo__carbon_thunk.decl(%addr.loc22_51.1, %addr.loc22_51.2)
@@ -1666,8 +1670,8 @@ fn F() {
 // CHECK:STDOUT:   %specific_fn.loc25_32.2: <specific function> = specific_function %impl.elem0.loc25_32.2, @Int.as.Copy.impl.Op(constants.%int_128) [concrete = constants.%Int.as.Copy.impl.Op.specific_fn]
 // CHECK:STDOUT:   %bound_method.loc25_32.4: <bound method> = bound_method %.loc25_32.2, %specific_fn.loc25_32.2 [concrete = constants.%bound_method.2cb]
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.call.loc25: init %i128 = call %bound_method.loc25_32.4(%.loc25_32.2) [concrete = constants.%int_18446744073709551615.f56]
-// CHECK:STDOUT:   %.loc25_32.4: ref %i128 = temporary %.loc25_32.3, %Int.as.Copy.impl.Op.call.loc25
-// CHECK:STDOUT:   %addr.loc25_52.1: %ptr.974 = addr_of %.loc25_32.4
+// CHECK:STDOUT:   %.loc25_32.4: ref %i128 = temporary %.loc25_32.3, %Int.as.Copy.impl.Op.call.loc25 [concrete = constants.%.2ee]
+// CHECK:STDOUT:   %addr.loc25_52.1: %ptr.974 = addr_of %.loc25_32.4 [concrete = constants.%addr.9bf]
 // CHECK:STDOUT:   %.loc25_52.1: ref %i128 = temporary_storage
 // CHECK:STDOUT:   %addr.loc25_52.2: %ptr.974 = addr_of %.loc25_52.1
 // CHECK:STDOUT:   %foo__carbon_thunk.call.loc25: init %empty_tuple.type = call imports.%foo__carbon_thunk.decl(%addr.loc25_52.1, %addr.loc25_52.2)
@@ -1695,8 +1699,8 @@ fn F() {
 // CHECK:STDOUT:   %specific_fn.loc28_32.2: <specific function> = specific_function %impl.elem0.loc28_32.2, @Int.as.Copy.impl.Op(constants.%int_128) [concrete = constants.%Int.as.Copy.impl.Op.specific_fn]
 // CHECK:STDOUT:   %bound_method.loc28_32.4: <bound method> = bound_method %.loc28_32.2, %specific_fn.loc28_32.2 [concrete = constants.%bound_method.6a9]
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.call.loc28: init %i128 = call %bound_method.loc28_32.4(%.loc28_32.2) [concrete = constants.%int_18446744073709551616.92b]
-// CHECK:STDOUT:   %.loc28_32.4: ref %i128 = temporary %.loc28_32.3, %Int.as.Copy.impl.Op.call.loc28
-// CHECK:STDOUT:   %addr.loc28_52.1: %ptr.974 = addr_of %.loc28_32.4
+// CHECK:STDOUT:   %.loc28_32.4: ref %i128 = temporary %.loc28_32.3, %Int.as.Copy.impl.Op.call.loc28 [concrete = constants.%.4db]
+// CHECK:STDOUT:   %addr.loc28_52.1: %ptr.974 = addr_of %.loc28_32.4 [concrete = constants.%addr.84d]
 // CHECK:STDOUT:   %.loc28_52.1: ref %i128 = temporary_storage
 // CHECK:STDOUT:   %addr.loc28_52.2: %ptr.974 = addr_of %.loc28_52.1
 // CHECK:STDOUT:   %foo__carbon_thunk.call.loc28: init %empty_tuple.type = call imports.%foo__carbon_thunk.decl(%addr.loc28_52.1, %addr.loc28_52.2)
@@ -1724,8 +1728,8 @@ fn F() {
 // CHECK:STDOUT:   %specific_fn.loc31_32.2: <specific function> = specific_function %impl.elem0.loc31_32.2, @Int.as.Copy.impl.Op(constants.%int_128) [concrete = constants.%Int.as.Copy.impl.Op.specific_fn]
 // CHECK:STDOUT:   %bound_method.loc31_32.4: <bound method> = bound_method %.loc31_32.2, %specific_fn.loc31_32.2 [concrete = constants.%bound_method.2fb]
 // CHECK:STDOUT:   %Int.as.Copy.impl.Op.call.loc31: init %i128 = call %bound_method.loc31_32.4(%.loc31_32.2) [concrete = constants.%int_170141183460469231731687303715884105727.ff5]
-// CHECK:STDOUT:   %.loc31_32.4: ref %i128 = temporary %.loc31_32.3, %Int.as.Copy.impl.Op.call.loc31
-// CHECK:STDOUT:   %addr.loc31_71.1: %ptr.974 = addr_of %.loc31_32.4
+// CHECK:STDOUT:   %.loc31_32.4: ref %i128 = temporary %.loc31_32.3, %Int.as.Copy.impl.Op.call.loc31 [concrete = constants.%.7df]
+// CHECK:STDOUT:   %addr.loc31_71.1: %ptr.974 = addr_of %.loc31_32.4 [concrete = constants.%addr.6a2]
 // CHECK:STDOUT:   %.loc31_71.1: ref %i128 = temporary_storage
 // CHECK:STDOUT:   %addr.loc31_71.2: %ptr.974 = addr_of %.loc31_71.1
 // CHECK:STDOUT:   %foo__carbon_thunk.call.loc31: init %empty_tuple.type = call imports.%foo__carbon_thunk.decl(%addr.loc31_71.1, %addr.loc31_71.2)
@@ -1734,22 +1738,14 @@ fn F() {
 // CHECK:STDOUT:   %.loc31_71.3: ref %i128 = temporary %.loc31_71.1, %.loc31_71.2
 // CHECK:STDOUT:   %.loc31_71.4: %i128 = acquire_value %.loc31_71.3
 // CHECK:STDOUT:   %g: %i128 = value_binding g, %.loc31_71.4
-// CHECK:STDOUT:   %Destroy.Op.bound.loc31_71: <bound method> = bound_method %.loc31_71.3, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call.loc31_71: init %empty_tuple.type = call %Destroy.Op.bound.loc31_71(%.loc31_71.3)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc31_32: <bound method> = bound_method %.loc31_32.4, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call.loc31_32: init %empty_tuple.type = call %Destroy.Op.bound.loc31_32(%.loc31_32.4)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc28_52: <bound method> = bound_method %.loc28_52.3, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call.loc28_52: init %empty_tuple.type = call %Destroy.Op.bound.loc28_52(%.loc28_52.3)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc28_32: <bound method> = bound_method %.loc28_32.4, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call.loc28_32: init %empty_tuple.type = call %Destroy.Op.bound.loc28_32(%.loc28_32.4)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc25_52: <bound method> = bound_method %.loc25_52.3, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call.loc25_52: init %empty_tuple.type = call %Destroy.Op.bound.loc25_52(%.loc25_52.3)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc25_32: <bound method> = bound_method %.loc25_32.4, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call.loc25_32: init %empty_tuple.type = call %Destroy.Op.bound.loc25_32(%.loc25_32.4)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc22_51: <bound method> = bound_method %.loc22_51.3, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call.loc22_51: init %empty_tuple.type = call %Destroy.Op.bound.loc22_51(%.loc22_51.3)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc22_32: <bound method> = bound_method %.loc22_32.4, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call.loc22_32: init %empty_tuple.type = call %Destroy.Op.bound.loc22_32(%.loc22_32.4)
+// CHECK:STDOUT:   %Destroy.Op.bound.loc31: <bound method> = bound_method %.loc31_71.3, constants.%Destroy.Op
+// CHECK:STDOUT:   %Destroy.Op.call.loc31: init %empty_tuple.type = call %Destroy.Op.bound.loc31(%.loc31_71.3)
+// CHECK:STDOUT:   %Destroy.Op.bound.loc28: <bound method> = bound_method %.loc28_52.3, constants.%Destroy.Op
+// CHECK:STDOUT:   %Destroy.Op.call.loc28: init %empty_tuple.type = call %Destroy.Op.bound.loc28(%.loc28_52.3)
+// CHECK:STDOUT:   %Destroy.Op.bound.loc25: <bound method> = bound_method %.loc25_52.3, constants.%Destroy.Op
+// CHECK:STDOUT:   %Destroy.Op.call.loc25: init %empty_tuple.type = call %Destroy.Op.bound.loc25(%.loc25_52.3)
+// CHECK:STDOUT:   %Destroy.Op.bound.loc22: <bound method> = bound_method %.loc22_51.3, constants.%Destroy.Op
+// CHECK:STDOUT:   %Destroy.Op.call.loc22: init %empty_tuple.type = call %Destroy.Op.bound.loc22(%.loc22_51.3)
 // CHECK:STDOUT:   return
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -2093,6 +2089,8 @@ fn F() {
 // CHECK:STDOUT:   %Float.as.Copy.impl.Op.bound: <bound method> = bound_method %float.d20, %Float.as.Copy.impl.Op.f05 [concrete]
 // CHECK:STDOUT:   %Float.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %Float.as.Copy.impl.Op.f05, @Float.as.Copy.impl.Op(%int_64) [concrete]
 // CHECK:STDOUT:   %bound_method.9b6: <bound method> = bound_method %float.d20, %Float.as.Copy.impl.Op.specific_fn [concrete]
+// CHECK:STDOUT:   %.4f3: ref %f64.d77 = temporary invalid, %float.d20 [concrete]
+// CHECK:STDOUT:   %addr: %ptr.bcc = addr_of %.4f3 [concrete]
 // CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
 // CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
 // CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
@@ -2177,8 +2175,8 @@ fn F() {
 // CHECK:STDOUT:   %specific_fn.loc7_31.2: <specific function> = specific_function %impl.elem0.loc7_31.2, @Float.as.Copy.impl.Op(constants.%int_64) [concrete = constants.%Float.as.Copy.impl.Op.specific_fn]
 // CHECK:STDOUT:   %bound_method.loc7_31.4: <bound method> = bound_method %.loc7_31.2, %specific_fn.loc7_31.2 [concrete = constants.%bound_method.9b6]
 // CHECK:STDOUT:   %Float.as.Copy.impl.Op.call: init %f64.d77 = call %bound_method.loc7_31.4(%.loc7_31.2) [concrete = constants.%float.d20]
-// CHECK:STDOUT:   %.loc7_31.4: ref %f64.d77 = temporary %.loc7_31.3, %Float.as.Copy.impl.Op.call
-// CHECK:STDOUT:   %addr.loc7_34.1: %ptr.bcc = addr_of %.loc7_31.4
+// CHECK:STDOUT:   %.loc7_31.4: ref %f64.d77 = temporary %.loc7_31.3, %Float.as.Copy.impl.Op.call [concrete = constants.%.4f3]
+// CHECK:STDOUT:   %addr.loc7_34.1: %ptr.bcc = addr_of %.loc7_31.4 [concrete = constants.%addr]
 // CHECK:STDOUT:   %.loc7_34.1: ref %f64.d77 = temporary_storage
 // CHECK:STDOUT:   %addr.loc7_34.2: %ptr.bcc = addr_of %.loc7_34.1
 // CHECK:STDOUT:   %foo__carbon_thunk.call: init %empty_tuple.type = call imports.%foo__carbon_thunk.decl(%addr.loc7_34.1, %addr.loc7_34.2)
@@ -2187,10 +2185,8 @@ fn F() {
 // CHECK:STDOUT:   %.loc7_34.3: ref %f64.d77 = temporary %.loc7_34.1, %.loc7_34.2
 // CHECK:STDOUT:   %.loc7_34.4: %f64.d77 = acquire_value %.loc7_34.3
 // CHECK:STDOUT:   %d: %f64.d77 = value_binding d, %.loc7_34.4
-// CHECK:STDOUT:   %Destroy.Op.bound.loc7_34: <bound method> = bound_method %.loc7_34.3, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call.loc7_34: init %empty_tuple.type = call %Destroy.Op.bound.loc7_34(%.loc7_34.3)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc7_31: <bound method> = bound_method %.loc7_31.4, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call.loc7_31: init %empty_tuple.type = call %Destroy.Op.bound.loc7_31(%.loc7_31.4)
+// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc7_34.3, constants.%Destroy.Op
+// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc7_34.3)
 // CHECK:STDOUT:   return
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -2324,17 +2320,15 @@ fn F() {
 // CHECK:STDOUT:   %specific_fn.loc15_11.2: <specific function> = specific_function %impl.elem0.loc15_11.2, @Float.as.Copy.impl.Op(constants.%int_64) [concrete = constants.%Float.as.Copy.impl.Op.specific_fn]
 // CHECK:STDOUT:   %bound_method.loc15_11.4: <bound method> = bound_method %.loc15_11.2, %specific_fn.loc15_11.2 [concrete = <error>]
 // CHECK:STDOUT:   %Float.as.Copy.impl.Op.call: init %f64.d77 = call %bound_method.loc15_11.4(%.loc15_11.2) [concrete = <error>]
-// CHECK:STDOUT:   %.loc15_11.4: ref %f64.d77 = temporary %.loc15_11.3, %Float.as.Copy.impl.Op.call
-// CHECK:STDOUT:   %addr.loc15_19.1: %ptr.bcc = addr_of %.loc15_11.4
+// CHECK:STDOUT:   %.loc15_11.4: ref %f64.d77 = temporary %.loc15_11.3, %Float.as.Copy.impl.Op.call [concrete = <error>]
+// CHECK:STDOUT:   %addr.loc15_19.1: %ptr.bcc = addr_of %.loc15_11.4 [concrete = <error>]
 // CHECK:STDOUT:   %.loc15_19.1: ref %f64.d77 = temporary_storage
 // CHECK:STDOUT:   %addr.loc15_19.2: %ptr.bcc = addr_of %.loc15_19.1
 // CHECK:STDOUT:   %foo__carbon_thunk.call: init %empty_tuple.type = call imports.%foo__carbon_thunk.decl(%addr.loc15_19.1, %addr.loc15_19.2)
 // CHECK:STDOUT:   %.loc15_19.2: init %f64.d77 to %.loc15_19.1 = mark_in_place_init %foo__carbon_thunk.call
 // CHECK:STDOUT:   %.loc15_19.3: ref %f64.d77 = temporary %.loc15_19.1, %.loc15_19.2
-// CHECK:STDOUT:   %Destroy.Op.bound.loc15_19: <bound method> = bound_method %.loc15_19.3, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call.loc15_19: init %empty_tuple.type = call %Destroy.Op.bound.loc15_19(%.loc15_19.3)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc15_11: <bound method> = bound_method %.loc15_11.4, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call.loc15_11: init %empty_tuple.type = call %Destroy.Op.bound.loc15_11(%.loc15_11.4)
+// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc15_19.3, constants.%Destroy.Op
+// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc15_19.3)
 // CHECK:STDOUT:   return
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -2365,9 +2359,8 @@ fn F() {
 // CHECK:STDOUT:   %PassNoFields__carbon_thunk: %PassNoFields__carbon_thunk.type = struct_value () [concrete]
 // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
 // CHECK:STDOUT:   %NoFields.val: %NoFields = struct_value () [concrete]
+// CHECK:STDOUT:   %.413: ref %NoFields = temporary invalid, %NoFields.val [concrete]
 // CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
-// CHECK:STDOUT:   %NoFields.cpp_destructor.type: type = fn_type @NoFields.cpp_destructor [concrete]
-// CHECK:STDOUT:   %NoFields.cpp_destructor: %NoFields.cpp_destructor.type = struct_value () [concrete]
 // CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
 // CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
 // CHECK:STDOUT: }
@@ -2454,7 +2447,7 @@ fn F() {
 // CHECK:STDOUT:   %.loc9_21.2: ref %NoFields = temporary_storage
 // CHECK:STDOUT:   %.loc9_21.3: init %NoFields to %.loc9_21.2 = class_init () [concrete = constants.%NoFields.val]
 // CHECK:STDOUT:   %.loc9_21.4: init %NoFields = converted %.loc9_21.1, %.loc9_21.3 [concrete = constants.%NoFields.val]
-// CHECK:STDOUT:   %.loc9_21.5: ref %NoFields = temporary %.loc9_21.2, %.loc9_21.4
+// CHECK:STDOUT:   %.loc9_21.5: ref %NoFields = temporary %.loc9_21.2, %.loc9_21.4 [concrete = constants.%.413]
 // CHECK:STDOUT:   %.loc9_21.6: %NoFields = acquire_value %.loc9_21.5
 // CHECK:STDOUT:   %.loc9_21.7: ref %NoFields = value_as_ref %.loc9_21.6
 // CHECK:STDOUT:   %addr.loc9: %ptr.dd0 = addr_of %.loc9_21.7
@@ -2465,7 +2458,7 @@ fn F() {
 // CHECK:STDOUT:   %.loc11_20.1: ref %NoFields = temporary_storage
 // CHECK:STDOUT:   %.loc11_20.2: init %NoFields to %.loc11_20.1 = class_init () [concrete = constants.%NoFields.val]
 // CHECK:STDOUT:   %.loc11_20.3: init %NoFields = converted %value.ref, %.loc11_20.2 [concrete = constants.%NoFields.val]
-// CHECK:STDOUT:   %.loc11_20.4: ref %NoFields = temporary %.loc11_20.1, %.loc11_20.3
+// CHECK:STDOUT:   %.loc11_20.4: ref %NoFields = temporary %.loc11_20.1, %.loc11_20.3 [concrete = constants.%.413]
 // CHECK:STDOUT:   %.loc11_20.5: %NoFields = acquire_value %.loc11_20.4
 // CHECK:STDOUT:   %.loc11_20.6: ref %NoFields = value_as_ref %.loc11_20.5
 // CHECK:STDOUT:   %addr.loc11: %ptr.dd0 = addr_of %.loc11_20.6
@@ -2476,7 +2469,7 @@ fn F() {
 // CHECK:STDOUT:   %.loc13_20.1: ref %NoFields = temporary_storage
 // CHECK:STDOUT:   %.loc13_20.2: init %NoFields to %.loc13_20.1 = class_init () [concrete = constants.%NoFields.val]
 // CHECK:STDOUT:   %.loc13_20.3: init %NoFields = converted %reference.ref, %.loc13_20.2 [concrete = constants.%NoFields.val]
-// CHECK:STDOUT:   %.loc13_20.4: ref %NoFields = temporary %.loc13_20.1, %.loc13_20.3
+// CHECK:STDOUT:   %.loc13_20.4: ref %NoFields = temporary %.loc13_20.1, %.loc13_20.3 [concrete = constants.%.413]
 // CHECK:STDOUT:   %.loc13_20.5: %NoFields = acquire_value %.loc13_20.4
 // CHECK:STDOUT:   %.loc13_20.6: ref %NoFields = value_as_ref %.loc13_20.5
 // CHECK:STDOUT:   %addr.loc13: %ptr.dd0 = addr_of %.loc13_20.6
@@ -2490,21 +2483,13 @@ fn F() {
 // CHECK:STDOUT:   %.loc15_30.3: ref %NoFields = temporary_storage
 // CHECK:STDOUT:   %.loc15_30.4: init %NoFields to %.loc15_30.3 = class_init () [concrete = constants.%NoFields.val]
 // CHECK:STDOUT:   %.loc15_30.5: init %NoFields = converted %MakeEmpty.call, %.loc15_30.4 [concrete = constants.%NoFields.val]
-// CHECK:STDOUT:   %.loc15_30.6: ref %NoFields = temporary %.loc15_30.3, %.loc15_30.5
+// CHECK:STDOUT:   %.loc15_30.6: ref %NoFields = temporary %.loc15_30.3, %.loc15_30.5 [concrete = constants.%.413]
 // CHECK:STDOUT:   %.loc15_30.7: %NoFields = acquire_value %.loc15_30.6
 // CHECK:STDOUT:   %.loc15_30.8: ref %NoFields = value_as_ref %.loc15_30.7
 // CHECK:STDOUT:   %addr.loc15: %ptr.dd0 = addr_of %.loc15_30.8
 // CHECK:STDOUT:   %PassNoFields__carbon_thunk.call.loc15: init %empty_tuple.type = call imports.%PassNoFields__carbon_thunk.decl(%addr.loc15)
-// CHECK:STDOUT:   %NoFields.cpp_destructor.bound.loc15: <bound method> = bound_method %.loc15_30.6, constants.%NoFields.cpp_destructor
-// CHECK:STDOUT:   %NoFields.cpp_destructor.call.loc15: init %empty_tuple.type = call %NoFields.cpp_destructor.bound.loc15(%.loc15_30.6)
 // CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc15_30.2, constants.%Destroy.Op
 // CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc15_30.2)
-// CHECK:STDOUT:   %NoFields.cpp_destructor.bound.loc13: <bound method> = bound_method %.loc13_20.4, constants.%NoFields.cpp_destructor
-// CHECK:STDOUT:   %NoFields.cpp_destructor.call.loc13: init %empty_tuple.type = call %NoFields.cpp_destructor.bound.loc13(%.loc13_20.4)
-// CHECK:STDOUT:   %NoFields.cpp_destructor.bound.loc11: <bound method> = bound_method %.loc11_20.4, constants.%NoFields.cpp_destructor
-// CHECK:STDOUT:   %NoFields.cpp_destructor.call.loc11: init %empty_tuple.type = call %NoFields.cpp_destructor.bound.loc11(%.loc11_20.4)
-// CHECK:STDOUT:   %NoFields.cpp_destructor.bound.loc9: <bound method> = bound_method %.loc9_21.5, constants.%NoFields.cpp_destructor
-// CHECK:STDOUT:   %NoFields.cpp_destructor.call.loc9: init %empty_tuple.type = call %NoFields.cpp_destructor.bound.loc9(%.loc9_21.5)
 // CHECK:STDOUT:   return
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
diff --git a/toolchain/check/testdata/interop/cpp/function/pointer.carbon b/toolchain/check/testdata/interop/cpp/function/pointer.carbon
index 108487064761..4108427456dc 100644
--- a/toolchain/check/testdata/interop/cpp/function/pointer.carbon
+++ b/toolchain/check/testdata/interop/cpp/function/pointer.carbon
@@ -1826,6 +1826,7 @@ fn F() {
 // CHECK:STDOUT:   %Indirect.cpp_overload_set.value: %Indirect.cpp_overload_set.type = cpp_overload_set_value @Indirect.cpp_overload_set [concrete]
 // CHECK:STDOUT:   %Indirect__carbon_thunk.type: type = fn_type @Indirect__carbon_thunk [concrete]
 // CHECK:STDOUT:   %Indirect__carbon_thunk: %Indirect__carbon_thunk.type = struct_value () [concrete]
+// CHECK:STDOUT:   %.6ef: ref %S = temporary invalid, %S.val [concrete]
 // CHECK:STDOUT:   %Destroy.Op.type.bae255.2: type = fn_type @Destroy.Op.loc13 [concrete]
 // CHECK:STDOUT:   %Destroy.Op.651ba6.2: %Destroy.Op.type.bae255.2 = struct_value () [concrete]
 // CHECK:STDOUT:   %S.cpp_destructor.type: type = fn_type @S.cpp_destructor [concrete]
@@ -1927,7 +1928,7 @@ fn F() {
 // CHECK:STDOUT:   %.loc13_55.2: ref %S = temporary_storage
 // CHECK:STDOUT:   %.loc13_55.3: init %S to %.loc13_55.2 = class_init () [concrete = constants.%S.val]
 // CHECK:STDOUT:   %.loc13_57.1: init %S = converted %.loc13_55.1, %.loc13_55.3 [concrete = constants.%S.val]
-// CHECK:STDOUT:   %.loc13_57.2: ref %S = temporary %.loc13_55.2, %.loc13_57.1
+// CHECK:STDOUT:   %.loc13_57.2: ref %S = temporary %.loc13_55.2, %.loc13_57.1 [concrete = constants.%.6ef]
 // CHECK:STDOUT:   %.loc13_57.3: %S = acquire_value %.loc13_57.2
 // CHECK:STDOUT:   %.loc13_57.4: ref %S = value_as_ref %.loc13_57.3
 // CHECK:STDOUT:   %addr.loc13: %ptr.5c7 = addr_of %.loc13_57.4
@@ -1948,12 +1949,10 @@ fn F() {
 // CHECK:STDOUT:   %a: %Optional.065 = value_binding a, %.loc13_65.3
 // CHECK:STDOUT:   %Destroy.Op.bound.loc13: <bound method> = bound_method %.loc13_65.2, constants.%Destroy.Op.651ba6.2
 // CHECK:STDOUT:   %Destroy.Op.call.loc13: init %empty_tuple.type = call %Destroy.Op.bound.loc13(%.loc13_65.2)
-// CHECK:STDOUT:   %S.cpp_destructor.bound.loc13: <bound method> = bound_method %.loc13_57.2, constants.%S.cpp_destructor
-// CHECK:STDOUT:   %S.cpp_destructor.call.loc13: init %empty_tuple.type = call %S.cpp_destructor.bound.loc13(%.loc13_57.2)
 // CHECK:STDOUT:   %Destroy.Op.bound.loc11: <bound method> = bound_method %.loc11_14.3, constants.%Destroy.Op.651ba6.2
 // CHECK:STDOUT:   %Destroy.Op.call.loc11: init %empty_tuple.type = call %Destroy.Op.bound.loc11(%.loc11_14.3)
-// CHECK:STDOUT:   %S.cpp_destructor.bound.loc10: <bound method> = bound_method %s.var, constants.%S.cpp_destructor
-// CHECK:STDOUT:   %S.cpp_destructor.call.loc10: init %empty_tuple.type = call %S.cpp_destructor.bound.loc10(%s.var)
+// CHECK:STDOUT:   %S.cpp_destructor.bound: <bound method> = bound_method %s.var, constants.%S.cpp_destructor
+// CHECK:STDOUT:   %S.cpp_destructor.call: init %empty_tuple.type = call %S.cpp_destructor.bound(%s.var)
 // CHECK:STDOUT:   <elided>
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
diff --git a/toolchain/check/testdata/interop/cpp/function/reference.carbon b/toolchain/check/testdata/interop/cpp/function/reference.carbon
index 2b04da961346..85884e40a725 100644
--- a/toolchain/check/testdata/interop/cpp/function/reference.carbon
+++ b/toolchain/check/testdata/interop/cpp/function/reference.carbon
@@ -532,8 +532,7 @@ fn F() {
 // CHECK:STDOUT:   %ptr.5c7: type = ptr_type %S [concrete]
 // CHECK:STDOUT:   %TakesRValue__carbon_thunk.type: type = fn_type @TakesRValue__carbon_thunk [concrete]
 // CHECK:STDOUT:   %TakesRValue__carbon_thunk: %TakesRValue__carbon_thunk.type = struct_value () [concrete]
-// CHECK:STDOUT:   %S.cpp_destructor.type: type = fn_type @S.cpp_destructor [concrete]
-// CHECK:STDOUT:   %S.cpp_destructor: %S.cpp_destructor.type = struct_value () [concrete]
+// CHECK:STDOUT:   %.6ef: ref %S = temporary invalid, %S.val [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -561,13 +560,11 @@ fn F() {
 // CHECK:STDOUT:   %.loc8_20.2: ref %S = temporary_storage
 // CHECK:STDOUT:   %.loc8_20.3: init %S to %.loc8_20.2 = class_init () [concrete = constants.%S.val]
 // CHECK:STDOUT:   %.loc8_22.1: init %S = converted %.loc8_20.1, %.loc8_20.3 [concrete = constants.%S.val]
-// CHECK:STDOUT:   %.loc8_22.2: ref %S = temporary %.loc8_20.2, %.loc8_22.1
+// CHECK:STDOUT:   %.loc8_22.2: ref %S = temporary %.loc8_20.2, %.loc8_22.1 [concrete = constants.%.6ef]
 // CHECK:STDOUT:   %.loc8_22.3: %S = acquire_value %.loc8_22.2
 // CHECK:STDOUT:   %.loc8_22.4: ref %S = value_as_ref %.loc8_22.3
 // CHECK:STDOUT:   %addr: %ptr.5c7 = addr_of %.loc8_22.4
 // CHECK:STDOUT:   %TakesRValue__carbon_thunk.call: init %empty_tuple.type = call imports.%TakesRValue__carbon_thunk.decl(%addr)
-// CHECK:STDOUT:   %S.cpp_destructor.bound: <bound method> = bound_method %.loc8_22.2, constants.%S.cpp_destructor
-// CHECK:STDOUT:   %S.cpp_destructor.call: init %empty_tuple.type = call %S.cpp_destructor.bound(%.loc8_22.2)
 // CHECK:STDOUT:   <elided>
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -777,6 +774,7 @@ fn F() {
 // CHECK:STDOUT:   %pattern_type.7da: type = pattern_type %S [concrete]
 // CHECK:STDOUT:   %empty_struct: %empty_struct_type = struct_value () [concrete]
 // CHECK:STDOUT:   %S.val: %S = struct_value () [concrete]
+// CHECK:STDOUT:   %.6ef: ref %S = temporary invalid, %S.val [concrete]
 // CHECK:STDOUT:   %TakesConstLValue.cpp_overload_set.type: type = cpp_overload_set_type @TakesConstLValue.cpp_overload_set [concrete]
 // CHECK:STDOUT:   %TakesConstLValue.cpp_overload_set.value: %TakesConstLValue.cpp_overload_set.type = cpp_overload_set_value @TakesConstLValue.cpp_overload_set [concrete]
 // CHECK:STDOUT:   %const: type = const_type %S [concrete]
@@ -784,8 +782,6 @@ fn F() {
 // CHECK:STDOUT:   %TakesConstLValue__carbon_thunk.type: type = fn_type @TakesConstLValue__carbon_thunk [concrete]
 // CHECK:STDOUT:   %TakesConstLValue__carbon_thunk: %TakesConstLValue__carbon_thunk.type = struct_value () [concrete]
 // CHECK:STDOUT:   %ptr.5c7: type = ptr_type %S [concrete]
-// CHECK:STDOUT:   %S.cpp_destructor.type: type = fn_type @S.cpp_destructor [concrete]
-// CHECK:STDOUT:   %S.cpp_destructor: %S.cpp_destructor.type = struct_value () [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -816,7 +812,7 @@ fn F() {
 // CHECK:STDOUT:   %.loc8_19.2: ref %S = temporary_storage
 // CHECK:STDOUT:   %.loc8_19.3: init %S to %.loc8_19.2 = class_init () [concrete = constants.%S.val]
 // CHECK:STDOUT:   %.loc8_19.4: init %S = converted %.loc8_19.1, %.loc8_19.3 [concrete = constants.%S.val]
-// CHECK:STDOUT:   %.loc8_19.5: ref %S = temporary %.loc8_19.2, %.loc8_19.4
+// CHECK:STDOUT:   %.loc8_19.5: ref %S = temporary %.loc8_19.2, %.loc8_19.4 [concrete = constants.%.6ef]
 // CHECK:STDOUT:   %.loc8_19.6: %S = acquire_value %.loc8_19.5
 // CHECK:STDOUT:   %s: %S = value_binding s, %.loc8_19.6
 // CHECK:STDOUT:   %Cpp.ref.loc9: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
@@ -842,8 +838,6 @@ fn F() {
 // CHECK:STDOUT:   %.loc11_40.1: %ptr.ff5 = as_compatible %addr.loc11
 // CHECK:STDOUT:   %.loc11_40.2: %ptr.ff5 = converted %addr.loc11, %.loc11_40.1
 // CHECK:STDOUT:   %TakesConstLValue__carbon_thunk.call.loc11: init %empty_tuple.type = call imports.%TakesConstLValue__carbon_thunk.decl(%.loc11_40.2)
-// CHECK:STDOUT:   %S.cpp_destructor.bound: <bound method> = bound_method %.loc8_19.5, constants.%S.cpp_destructor
-// CHECK:STDOUT:   %S.cpp_destructor.call: init %empty_tuple.type = call %S.cpp_destructor.bound(%.loc8_19.5)
 // CHECK:STDOUT:   <elided>
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
diff --git a/toolchain/check/testdata/interop/cpp/stdlib/initializer_list.carbon b/toolchain/check/testdata/interop/cpp/stdlib/initializer_list.carbon
index 114747005992..4ca7aae50333 100644
--- a/toolchain/check/testdata/interop/cpp/stdlib/initializer_list.carbon
+++ b/toolchain/check/testdata/interop/cpp/stdlib/initializer_list.carbon
@@ -94,6 +94,7 @@ fn F() {
 // CHECK:STDOUT:   %bound_method.fa7: <bound method> = bound_method %int_3.1ba, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
 // CHECK:STDOUT:   %int_3.822: %i32 = int_value 3 [concrete]
 // CHECK:STDOUT:   %array: %array_type = tuple_value (%int_1.5d2, %int_2.ef8, %int_3.822) [concrete]
+// CHECK:STDOUT:   %.fd3: ref %array_type = temporary invalid, %array [concrete]
 // CHECK:STDOUT:   %Consume.cpp_overload_set.type: type = cpp_overload_set_type @Consume.cpp_overload_set [concrete]
 // CHECK:STDOUT:   %Consume.cpp_overload_set.value: %Consume.cpp_overload_set.type = cpp_overload_set_value @Consume.cpp_overload_set [concrete]
 // CHECK:STDOUT:   %ptr.82f: type = ptr_type %initializer_list [concrete]
@@ -112,8 +113,6 @@ fn F() {
 // CHECK:STDOUT:   %InitListConstructor.cpp_destructor: %InitListConstructor.cpp_destructor.type = struct_value () [concrete]
 // CHECK:STDOUT:   %initializer_list.cpp_destructor.type: type = fn_type @initializer_list.cpp_destructor [concrete]
 // CHECK:STDOUT:   %initializer_list.cpp_destructor: %initializer_list.cpp_destructor.type = struct_value () [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type.bae255.2: type = fn_type @Destroy.Op.loc12 [concrete]
-// CHECK:STDOUT:   %Destroy.Op.651ba6.2: %Destroy.Op.type.bae255.2 = struct_value () [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -230,7 +229,7 @@ fn F() {
 // CHECK:STDOUT:   %.loc8_50.12: init %i32 to %.loc8_50.11 = in_place_init %.loc8_50.10 [concrete = constants.%int_3.822]
 // CHECK:STDOUT:   %.loc8_50.13: init %array_type to %.loc8_50.4 = array_init (%.loc8_50.6, %.loc8_50.9, %.loc8_50.12) [concrete = constants.%array]
 // CHECK:STDOUT:   %.loc8_50.14: init %array_type = converted %.loc8_50.1, %.loc8_50.13 [concrete = constants.%array]
-// CHECK:STDOUT:   %.loc8_50.15: ref %array_type = temporary %.loc8_50.4, %.loc8_50.14
+// CHECK:STDOUT:   %.loc8_50.15: ref %array_type = temporary %.loc8_50.4, %.loc8_50.14 [concrete = constants.%.fd3]
 // CHECK:STDOUT:   %.loc8_50.16: %array_type = acquire_value %.loc8_50.15
 // CHECK:STDOUT:   %initializer_list.initializer_list.call.loc8: init %initializer_list to %.loc8_50.2 = call generated.%initializer_list.initializer_list.decl.2bdc3e.1(%.loc8_50.16)
 // CHECK:STDOUT:   %.loc8_50.17: init %initializer_list = converted %.loc8_50.1, %initializer_list.initializer_list.call.loc8
@@ -277,7 +276,7 @@ fn F() {
 // CHECK:STDOUT:   %.loc10_23.12: init %i32 to %.loc10_23.11 = in_place_init %.loc10_23.10 [concrete = constants.%int_3.822]
 // CHECK:STDOUT:   %.loc10_23.13: init %array_type to %.loc10_23.4 = array_init (%.loc10_23.6, %.loc10_23.9, %.loc10_23.12) [concrete = constants.%array]
 // CHECK:STDOUT:   %.loc10_23.14: init %array_type = converted %.loc10_23.1, %.loc10_23.13 [concrete = constants.%array]
-// CHECK:STDOUT:   %.loc10_23.15: ref %array_type = temporary %.loc10_23.4, %.loc10_23.14
+// CHECK:STDOUT:   %.loc10_23.15: ref %array_type = temporary %.loc10_23.4, %.loc10_23.14 [concrete = constants.%.fd3]
 // CHECK:STDOUT:   %.loc10_23.16: %array_type = acquire_value %.loc10_23.15
 // CHECK:STDOUT:   %initializer_list.initializer_list.call.loc10: init %initializer_list to %.loc10_23.2 = call generated.%initializer_list.initializer_list.decl.2bdc3e.2(%.loc10_23.16)
 // CHECK:STDOUT:   %.loc10_23.17: init %initializer_list = converted %.loc10_23.1, %initializer_list.initializer_list.call.loc10
@@ -332,7 +331,7 @@ fn F() {
 // CHECK:STDOUT:   %.loc12_44.13: init %i32 to %.loc12_44.12 = in_place_init %.loc12_44.11 [concrete = constants.%int_3.822]
 // CHECK:STDOUT:   %.loc12_44.14: init %array_type to %.loc12_44.5 = array_init (%.loc12_44.7, %.loc12_44.10, %.loc12_44.13) [concrete = constants.%array]
 // CHECK:STDOUT:   %.loc12_44.15: init %array_type = converted %.loc12_44.1, %.loc12_44.14 [concrete = constants.%array]
-// CHECK:STDOUT:   %.loc12_44.16: ref %array_type = temporary %.loc12_44.5, %.loc12_44.15
+// CHECK:STDOUT:   %.loc12_44.16: ref %array_type = temporary %.loc12_44.5, %.loc12_44.15 [concrete = constants.%.fd3]
 // CHECK:STDOUT:   %.loc12_44.17: %array_type = acquire_value %.loc12_44.16
 // CHECK:STDOUT:   %initializer_list.initializer_list.call.loc12: init %initializer_list to %.loc12_44.3 = call generated.%initializer_list.initializer_list.decl.2bdc3e.3(%.loc12_44.17)
 // CHECK:STDOUT:   %.loc12_44.18: init %initializer_list = converted %.loc12_44.1, %initializer_list.initializer_list.call.loc12
@@ -351,16 +350,10 @@ fn F() {
 // CHECK:STDOUT:   %InitListConstructor.cpp_destructor.call: init %empty_tuple.type = call %InitListConstructor.cpp_destructor.bound(%.loc12_44.24)
 // CHECK:STDOUT:   %initializer_list.cpp_destructor.bound.loc12: <bound method> = bound_method %.loc12_44.19, constants.%initializer_list.cpp_destructor
 // CHECK:STDOUT:   %initializer_list.cpp_destructor.call.loc12: init %empty_tuple.type = call %initializer_list.cpp_destructor.bound.loc12(%.loc12_44.19)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc12: <bound method> = bound_method %.loc12_44.16, constants.%Destroy.Op.651ba6.2
-// CHECK:STDOUT:   %Destroy.Op.call.loc12: init %empty_tuple.type = call %Destroy.Op.bound.loc12(%.loc12_44.16)
 // CHECK:STDOUT:   %initializer_list.cpp_destructor.bound.loc10: <bound method> = bound_method %.loc10_23.18, constants.%initializer_list.cpp_destructor
 // CHECK:STDOUT:   %initializer_list.cpp_destructor.call.loc10: init %empty_tuple.type = call %initializer_list.cpp_destructor.bound.loc10(%.loc10_23.18)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc10: <bound method> = bound_method %.loc10_23.15, constants.%Destroy.Op.651ba6.2
-// CHECK:STDOUT:   %Destroy.Op.call.loc10: init %empty_tuple.type = call %Destroy.Op.bound.loc10(%.loc10_23.15)
 // CHECK:STDOUT:   %initializer_list.cpp_destructor.bound.loc8: <bound method> = bound_method %.loc8_50.18, constants.%initializer_list.cpp_destructor
 // CHECK:STDOUT:   %initializer_list.cpp_destructor.call.loc8: init %empty_tuple.type = call %initializer_list.cpp_destructor.bound.loc8(%.loc8_50.18)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc8: <bound method> = bound_method %.loc8_50.15, constants.%Destroy.Op.651ba6.2
-// CHECK:STDOUT:   %Destroy.Op.call.loc8: init %empty_tuple.type = call %Destroy.Op.bound.loc8(%.loc8_50.15)
 // CHECK:STDOUT:   return
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
diff --git a/toolchain/check/testdata/interop/cpp/template/class_template.carbon b/toolchain/check/testdata/interop/cpp/template/class_template.carbon
index bcda798a98b3..e8df99399461 100644
--- a/toolchain/check/testdata/interop/cpp/template/class_template.carbon
+++ b/toolchain/check/testdata/interop/cpp/template/class_template.carbon
@@ -48,6 +48,7 @@ var a: Cpp.A = Cpp.X(Cpp.A, Cpp.B).f({} as Cpp.B);
 // CHECK:STDOUT:   %ptr.270: type = ptr_type %A [concrete]
 // CHECK:STDOUT:   %f__carbon_thunk.type: type = fn_type @f__carbon_thunk [concrete]
 // CHECK:STDOUT:   %f__carbon_thunk: %f__carbon_thunk.type = struct_value () [concrete]
+// CHECK:STDOUT:   %.5ef: ref %B = temporary invalid, %B.val [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -97,7 +98,7 @@ var a: Cpp.A = Cpp.X(Cpp.A, Cpp.B).f({} as Cpp.B);
 // CHECK:STDOUT:   %.loc7_39.3: init %B to %.loc7_39.2 = class_init () [concrete = constants.%B.val]
 // CHECK:STDOUT:   %.loc7_41.1: init %B = converted %.loc7_39.1, %.loc7_39.3 [concrete = constants.%B.val]
 // CHECK:STDOUT:   %.loc7_1: ref %A = splice_block file.%a.var [concrete = file.%a.var] {}
-// CHECK:STDOUT:   %.loc7_41.2: ref %B = temporary %.loc7_39.2, %.loc7_41.1
+// CHECK:STDOUT:   %.loc7_41.2: ref %B = temporary %.loc7_39.2, %.loc7_41.1 [concrete = constants.%.5ef]
 // CHECK:STDOUT:   %.loc7_41.3: %B = acquire_value %.loc7_41.2
 // CHECK:STDOUT:   %.loc7_41.4: ref %B = value_as_ref %.loc7_41.3
 // CHECK:STDOUT:   %addr.loc7_49.1: %ptr.a04 = addr_of %.loc7_41.4
diff --git a/toolchain/check/testdata/operators/overloaded/index.carbon b/toolchain/check/testdata/operators/overloaded/index.carbon
index 7028dfd69d9f..1467c28c1a36 100644
--- a/toolchain/check/testdata/operators/overloaded/index.carbon
+++ b/toolchain/check/testdata/operators/overloaded/index.carbon
@@ -347,9 +347,8 @@ fn F() {
 // CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
 // CHECK:STDOUT:   %empty_struct: %empty_struct_type = struct_value () [concrete]
 // CHECK:STDOUT:   %C.val: %C = struct_value () [concrete]
+// CHECK:STDOUT:   %.5ea: ref %C = temporary invalid, %C.val [concrete]
 // CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
-// CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -484,13 +483,11 @@ fn F() {
 // CHECK:STDOUT:   %.loc15_15.2: ref %C = temporary_storage
 // CHECK:STDOUT:   %.loc15_15.3: init %C to %.loc15_15.2 = class_init () [concrete = constants.%C.val]
 // CHECK:STDOUT:   %.loc15_15.4: init %C = converted %.loc15_15.1, %.loc15_15.3 [concrete = constants.%C.val]
-// CHECK:STDOUT:   %.loc15_15.5: ref %C = temporary %.loc15_15.2, %.loc15_15.4
+// CHECK:STDOUT:   %.loc15_15.5: ref %C = temporary %.loc15_15.2, %.loc15_15.4 [concrete = constants.%.5ea]
 // CHECK:STDOUT:   %.loc15_15.6: %C = acquire_value %.loc15_15.5
 // CHECK:STDOUT:   %c: %C = value_binding c, %.loc15_15.6
 // CHECK:STDOUT:   %c.ref: %C = name_ref c, %c
 // CHECK:STDOUT:   %.loc23: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
-// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.loc15_15.5, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc15_15.5)
 // CHECK:STDOUT:   return
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
diff --git a/toolchain/check/testdata/operators/overloaded/index_with_prelude.carbon b/toolchain/check/testdata/operators/overloaded/index_with_prelude.carbon
index 795d29ef8cd0..746b501e92ec 100644
--- a/toolchain/check/testdata/operators/overloaded/index_with_prelude.carbon
+++ b/toolchain/check/testdata/operators/overloaded/index_with_prelude.carbon
@@ -115,7 +115,9 @@ let x: i32 = c[0];
 // CHECK:STDOUT:   %empty_struct: %empty_struct_type = struct_value () [concrete]
 // CHECK:STDOUT:   %ElementType.val: %ElementType = struct_value () [concrete]
 // CHECK:STDOUT:   %SubscriptType.val: %SubscriptType.9ec = struct_value () [concrete]
+// CHECK:STDOUT:   %.e36: ref %SubscriptType.9ec = temporary invalid, %SubscriptType.val [concrete]
 // CHECK:STDOUT:   %C.val: %C = struct_value () [concrete]
+// CHECK:STDOUT:   %.5ea: ref %C = temporary invalid, %C.val [concrete]
 // CHECK:STDOUT:   %.8f0: type = fn_type_with_self_type %IndexWith.WithSelf.At.type.cc5, %IndexWith.facet [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -172,7 +174,7 @@ let x: i32 = c[0];
 // CHECK:STDOUT:   %.loc14_25.1: ref %SubscriptType.9ec = temporary_storage
 // CHECK:STDOUT:   %.loc14_25.2: init %SubscriptType.9ec to %.loc14_25.1 = class_init () [concrete = constants.%SubscriptType.val]
 // CHECK:STDOUT:   %.loc14_25.3: init %SubscriptType.9ec = converted @__global_init.%.loc14, %.loc14_25.2 [concrete = constants.%SubscriptType.val]
-// CHECK:STDOUT:   %.loc14_25.4: ref %SubscriptType.9ec = temporary %.loc14_25.1, %.loc14_25.3
+// CHECK:STDOUT:   %.loc14_25.4: ref %SubscriptType.9ec = temporary %.loc14_25.1, %.loc14_25.3 [concrete = constants.%.e36]
 // CHECK:STDOUT:   %.loc14_25.5: %SubscriptType.9ec = acquire_value %.loc14_25.4
 // CHECK:STDOUT:   %s: %SubscriptType.9ec = value_binding s, %.loc14_25.5
 // CHECK:STDOUT:   name_binding_decl {
@@ -182,7 +184,7 @@ let x: i32 = c[0];
 // CHECK:STDOUT:   %.loc15_13.1: ref %C = temporary_storage
 // CHECK:STDOUT:   %.loc15_13.2: init %C to %.loc15_13.1 = class_init () [concrete = constants.%C.val]
 // CHECK:STDOUT:   %.loc15_13.3: init %C = converted @__global_init.%.loc15, %.loc15_13.2 [concrete = constants.%C.val]
-// CHECK:STDOUT:   %.loc15_13.4: ref %C = temporary %.loc15_13.1, %.loc15_13.3
+// CHECK:STDOUT:   %.loc15_13.4: ref %C = temporary %.loc15_13.1, %.loc15_13.3 [concrete = constants.%.5ea]
 // CHECK:STDOUT:   %.loc15_13.5: %C = acquire_value %.loc15_13.4
 // CHECK:STDOUT:   %c: %C = value_binding c, %.loc15_13.5
 // CHECK:STDOUT:   name_binding_decl {
@@ -496,6 +498,7 @@ let x: i32 = c[0];
 // CHECK:STDOUT:   %empty_struct: %empty_struct_type = struct_value () [concrete]
 // CHECK:STDOUT:   %ElementType.val: %ElementType = struct_value () [concrete]
 // CHECK:STDOUT:   %C.val: %C = struct_value () [concrete]
+// CHECK:STDOUT:   %.5ea: ref %C = temporary invalid, %C.val [concrete]
 // CHECK:STDOUT:   %int_0: Core.IntLiteral = int_value 0 [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -551,7 +554,7 @@ let x: i32 = c[0];
 // CHECK:STDOUT:   %.loc14_13.1: ref %C = temporary_storage
 // CHECK:STDOUT:   %.loc14_13.2: init %C to %.loc14_13.1 = class_init () [concrete = constants.%C.val]
 // CHECK:STDOUT:   %.loc14_13.3: init %C = converted @__global_init.%.loc14, %.loc14_13.2 [concrete = constants.%C.val]
-// CHECK:STDOUT:   %.loc14_13.4: ref %C = temporary %.loc14_13.1, %.loc14_13.3
+// CHECK:STDOUT:   %.loc14_13.4: ref %C = temporary %.loc14_13.1, %.loc14_13.3 [concrete = constants.%.5ea]
 // CHECK:STDOUT:   %.loc14_13.5: %C = acquire_value %.loc14_13.4
 // CHECK:STDOUT:   %c: %C = value_binding c, %.loc14_13.5
 // CHECK:STDOUT:   name_binding_decl {
@@ -641,6 +644,7 @@ let x: i32 = c[0];
 // CHECK:STDOUT:   %pattern_type.7c7: type = pattern_type %C [concrete]
 // CHECK:STDOUT:   %empty_struct: %empty_struct_type = struct_value () [concrete]
 // CHECK:STDOUT:   %C.val: %C = struct_value () [concrete]
+// CHECK:STDOUT:   %.5ea: ref %C = temporary invalid, %C.val [concrete]
 // CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
 // CHECK:STDOUT:   %Int.type: type = generic_class_type @Int [concrete]
 // CHECK:STDOUT:   %Int.generic: %Int.type = struct_value () [concrete]
@@ -678,7 +682,7 @@ let x: i32 = c[0];
 // CHECK:STDOUT:   %.loc6_13.1: ref %C = temporary_storage
 // CHECK:STDOUT:   %.loc6_13.2: init %C to %.loc6_13.1 = class_init () [concrete = constants.%C.val]
 // CHECK:STDOUT:   %.loc6_13.3: init %C = converted @__global_init.%.loc6, %.loc6_13.2 [concrete = constants.%C.val]
-// CHECK:STDOUT:   %.loc6_13.4: ref %C = temporary %.loc6_13.1, %.loc6_13.3
+// CHECK:STDOUT:   %.loc6_13.4: ref %C = temporary %.loc6_13.1, %.loc6_13.3 [concrete = constants.%.5ea]
 // CHECK:STDOUT:   %.loc6_13.5: %C = acquire_value %.loc6_13.4
 // CHECK:STDOUT:   %c: %C = value_binding c, %.loc6_13.5
 // CHECK:STDOUT:   name_binding_decl {
diff --git a/toolchain/check/testdata/packages/missing_prelude.carbon b/toolchain/check/testdata/packages/missing_prelude.carbon
index da2c7d3d160e..720c64b16a0c 100644
--- a/toolchain/check/testdata/packages/missing_prelude.carbon
+++ b/toolchain/check/testdata/packages/missing_prelude.carbon
@@ -578,6 +578,7 @@ let n: type = i32;
 // CHECK:STDOUT:   %pattern_type.efe: type = pattern_type %Int.553 [concrete]
 // CHECK:STDOUT:   %empty_struct: %empty_struct_type = struct_value () [concrete]
 // CHECK:STDOUT:   %Int.val: %Int.553 = struct_value () [concrete]
+// CHECK:STDOUT:   %.fdf: ref %Int.553 = temporary invalid, %Int.val [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: file {
@@ -607,7 +608,7 @@ let n: type = i32;
 // CHECK:STDOUT:   %.loc8_15.1: ref %Int.553 = temporary_storage
 // CHECK:STDOUT:   %.loc8_15.2: init %Int.553 to %.loc8_15.1 = class_init () [concrete = constants.%Int.val]
 // CHECK:STDOUT:   %.loc8_15.3: init %Int.553 = converted @__global_init.%.loc8, %.loc8_15.2 [concrete = constants.%Int.val]
-// CHECK:STDOUT:   %.loc8_15.4: ref %Int.553 = temporary %.loc8_15.1, %.loc8_15.3
+// CHECK:STDOUT:   %.loc8_15.4: ref %Int.553 = temporary %.loc8_15.1, %.loc8_15.3 [concrete = constants.%.fdf]
 // CHECK:STDOUT:   %.loc8_15.5: %Int.553 = acquire_value %.loc8_15.4
 // CHECK:STDOUT:   %n: %Int.553 = value_binding n, %.loc8_15.5
 // CHECK:STDOUT: }
diff --git a/toolchain/check/testdata/return/import_convert_function.carbon b/toolchain/check/testdata/return/import_convert_function.carbon
index f536ae73030b..cf082933deb1 100644
--- a/toolchain/check/testdata/return/import_convert_function.carbon
+++ b/toolchain/check/testdata/return/import_convert_function.carbon
@@ -707,7 +707,6 @@ fn F0(unused n: i32) -> P.D {
 // CHECK:STDOUT: constants {
 // CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
 // CHECK:STDOUT:   %Int.type: type = generic_class_type @Int [concrete]
-// CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
 // CHECK:STDOUT:   %Int.generic: %Int.type = struct_value () [concrete]
 // CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
 // CHECK:STDOUT:   %pattern_type.7ce: type = pattern_type %i32 [concrete]
@@ -766,9 +765,8 @@ fn F0(unused n: i32) -> P.D {
 // CHECK:STDOUT:   %C.as.ImplicitAs.impl.Convert.type.994: type = fn_type @C.as.ImplicitAs.impl.Convert.1 [concrete]
 // CHECK:STDOUT:   %C.as.ImplicitAs.impl.Convert.78d: %C.as.ImplicitAs.impl.Convert.type.994 = struct_value () [concrete]
 // CHECK:STDOUT:   %C.as.ImplicitAs.impl.Convert.bound.cfc: <bound method> = bound_method %C.val.452, %C.as.ImplicitAs.impl.Convert.78d [concrete]
+// CHECK:STDOUT:   %.b4e: ref %C.b00 = temporary invalid, %C.val.452 [concrete]
 // CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type.bae255.1: type = fn_type @Destroy.Op.loc7 [concrete]
-// CHECK:STDOUT:   %Destroy.Op.651ba6.1: %Destroy.Op.type.bae255.1 = struct_value () [concrete]
 // CHECK:STDOUT:   %int_1.5b8: Core.IntLiteral = int_value 1 [concrete]
 // CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.215: <bound method> = bound_method %int_1.5b8, %Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5 [concrete]
 // CHECK:STDOUT:   %bound_method.38b: <bound method> = bound_method %int_1.5b8, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
@@ -780,8 +778,7 @@ fn F0(unused n: i32) -> P.D {
 // CHECK:STDOUT:   %C.as.ImplicitAs.impl.Convert.type.900: type = fn_type @C.as.ImplicitAs.impl.Convert.2 [concrete]
 // CHECK:STDOUT:   %C.as.ImplicitAs.impl.Convert.b44: %C.as.ImplicitAs.impl.Convert.type.900 = struct_value () [concrete]
 // CHECK:STDOUT:   %C.as.ImplicitAs.impl.Convert.bound.530: <bound method> = bound_method %C.val.678, %C.as.ImplicitAs.impl.Convert.b44 [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type.bae255.2: type = fn_type @Destroy.Op.loc8 [concrete]
-// CHECK:STDOUT:   %Destroy.Op.651ba6.2: %Destroy.Op.type.bae255.2 = struct_value () [concrete]
+// CHECK:STDOUT:   %.6f4: ref %C.674 = temporary invalid, %C.val.678 [concrete]
 // CHECK:STDOUT:   %int_2.ecc: Core.IntLiteral = int_value 2 [concrete]
 // CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.4e5: <bound method> = bound_method %int_2.ecc, %Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5 [concrete]
 // CHECK:STDOUT:   %bound_method.646: <bound method> = bound_method %int_2.ecc, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
@@ -793,8 +790,7 @@ fn F0(unused n: i32) -> P.D {
 // CHECK:STDOUT:   %C.as.ImplicitAs.impl.Convert.type.ae1: type = fn_type @C.as.ImplicitAs.impl.Convert.3 [concrete]
 // CHECK:STDOUT:   %C.as.ImplicitAs.impl.Convert.dd6: %C.as.ImplicitAs.impl.Convert.type.ae1 = struct_value () [concrete]
 // CHECK:STDOUT:   %C.as.ImplicitAs.impl.Convert.bound.fc6: <bound method> = bound_method %C.val.fb5, %C.as.ImplicitAs.impl.Convert.dd6 [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type.bae255.3: type = fn_type @Destroy.Op.loc9 [concrete]
-// CHECK:STDOUT:   %Destroy.Op.651ba6.3: %Destroy.Op.type.bae255.3 = struct_value () [concrete]
+// CHECK:STDOUT:   %.18a: ref %C.681 = temporary invalid, %C.val.fb5 [concrete]
 // CHECK:STDOUT:   %int_3.1ba: Core.IntLiteral = int_value 3 [concrete]
 // CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.061: <bound method> = bound_method %int_3.1ba, %Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5 [concrete]
 // CHECK:STDOUT:   %bound_method.fa7: <bound method> = bound_method %int_3.1ba, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
@@ -806,8 +802,7 @@ fn F0(unused n: i32) -> P.D {
 // CHECK:STDOUT:   %C.as.ImplicitAs.impl.Convert.type.cbe: type = fn_type @C.as.ImplicitAs.impl.Convert.4 [concrete]
 // CHECK:STDOUT:   %C.as.ImplicitAs.impl.Convert.d1c: %C.as.ImplicitAs.impl.Convert.type.cbe = struct_value () [concrete]
 // CHECK:STDOUT:   %C.as.ImplicitAs.impl.Convert.bound.ffe: <bound method> = bound_method %C.val.fe7, %C.as.ImplicitAs.impl.Convert.d1c [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type.bae255.4: type = fn_type @Destroy.Op.loc10 [concrete]
-// CHECK:STDOUT:   %Destroy.Op.651ba6.4: %Destroy.Op.type.bae255.4 = struct_value () [concrete]
+// CHECK:STDOUT:   %.440: ref %C.7ac = temporary invalid, %C.val.fe7 [concrete]
 // CHECK:STDOUT:   %int_4.0c1: Core.IntLiteral = int_value 4 [concrete]
 // CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.f0c: <bound method> = bound_method %int_4.0c1, %Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5 [concrete]
 // CHECK:STDOUT:   %bound_method.6d7: <bound method> = bound_method %int_4.0c1, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
@@ -819,8 +814,7 @@ fn F0(unused n: i32) -> P.D {
 // CHECK:STDOUT:   %C.as.ImplicitAs.impl.Convert.type.876: type = fn_type @C.as.ImplicitAs.impl.Convert.5 [concrete]
 // CHECK:STDOUT:   %C.as.ImplicitAs.impl.Convert.db5: %C.as.ImplicitAs.impl.Convert.type.876 = struct_value () [concrete]
 // CHECK:STDOUT:   %C.as.ImplicitAs.impl.Convert.bound.7cc: <bound method> = bound_method %C.val.1dd, %C.as.ImplicitAs.impl.Convert.db5 [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type.bae255.5: type = fn_type @Destroy.Op.loc11 [concrete]
-// CHECK:STDOUT:   %Destroy.Op.651ba6.5: %Destroy.Op.type.bae255.5 = struct_value () [concrete]
+// CHECK:STDOUT:   %.c3b: ref %C.89d = temporary invalid, %C.val.1dd [concrete]
 // CHECK:STDOUT:   %int_5.64b: Core.IntLiteral = int_value 5 [concrete]
 // CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.005: <bound method> = bound_method %int_5.64b, %Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5 [concrete]
 // CHECK:STDOUT:   %bound_method.e9d: <bound method> = bound_method %int_5.64b, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
@@ -832,8 +826,7 @@ fn F0(unused n: i32) -> P.D {
 // CHECK:STDOUT:   %C.as.ImplicitAs.impl.Convert.type.043: type = fn_type @C.as.ImplicitAs.impl.Convert.6 [concrete]
 // CHECK:STDOUT:   %C.as.ImplicitAs.impl.Convert.a63: %C.as.ImplicitAs.impl.Convert.type.043 = struct_value () [concrete]
 // CHECK:STDOUT:   %C.as.ImplicitAs.impl.Convert.bound.4ca: <bound method> = bound_method %C.val.a4a, %C.as.ImplicitAs.impl.Convert.a63 [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type.bae255.6: type = fn_type @Destroy.Op.loc12 [concrete]
-// CHECK:STDOUT:   %Destroy.Op.651ba6.6: %Destroy.Op.type.bae255.6 = struct_value () [concrete]
+// CHECK:STDOUT:   %.d3c: ref %C.f0a = temporary invalid, %C.val.a4a [concrete]
 // CHECK:STDOUT:   %int_6.462: Core.IntLiteral = int_value 6 [concrete]
 // CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.502: <bound method> = bound_method %int_6.462, %Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5 [concrete]
 // CHECK:STDOUT:   %bound_method.bc2: <bound method> = bound_method %int_6.462, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
@@ -845,8 +838,7 @@ fn F0(unused n: i32) -> P.D {
 // CHECK:STDOUT:   %C.as.ImplicitAs.impl.Convert.type.7be: type = fn_type @C.as.ImplicitAs.impl.Convert.7 [concrete]
 // CHECK:STDOUT:   %C.as.ImplicitAs.impl.Convert.e2f: %C.as.ImplicitAs.impl.Convert.type.7be = struct_value () [concrete]
 // CHECK:STDOUT:   %C.as.ImplicitAs.impl.Convert.bound.f82: <bound method> = bound_method %C.val.a4b, %C.as.ImplicitAs.impl.Convert.e2f [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type.bae255.7: type = fn_type @Destroy.Op.loc13 [concrete]
-// CHECK:STDOUT:   %Destroy.Op.651ba6.7: %Destroy.Op.type.bae255.7 = struct_value () [concrete]
+// CHECK:STDOUT:   %.d2b: ref %C.c60 = temporary invalid, %C.val.a4b [concrete]
 // CHECK:STDOUT:   %int_7.29f: Core.IntLiteral = int_value 7 [concrete]
 // CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.1e0: <bound method> = bound_method %int_7.29f, %Core.IntLiteral.as.ImplicitAs.impl.Convert.0b5 [concrete]
 // CHECK:STDOUT:   %bound_method.bf2: <bound method> = bound_method %int_7.29f, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
@@ -858,8 +850,7 @@ fn F0(unused n: i32) -> P.D {
 // CHECK:STDOUT:   %C.as.ImplicitAs.impl.Convert.type.c30: type = fn_type @C.as.ImplicitAs.impl.Convert.8 [concrete]
 // CHECK:STDOUT:   %C.as.ImplicitAs.impl.Convert.5ea: %C.as.ImplicitAs.impl.Convert.type.c30 = struct_value () [concrete]
 // CHECK:STDOUT:   %C.as.ImplicitAs.impl.Convert.bound.622: <bound method> = bound_method %C.val.f9f, %C.as.ImplicitAs.impl.Convert.5ea [concrete]
-// CHECK:STDOUT:   %Destroy.Op.type.bae255.8: type = fn_type @Destroy.Op.loc14 [concrete]
-// CHECK:STDOUT:   %Destroy.Op.651ba6.8: %Destroy.Op.type.bae255.8 = struct_value () [concrete]
+// CHECK:STDOUT:   %.5dc: ref %C.304 = temporary invalid, %C.val.f9f [concrete]
 // CHECK:STDOUT:   %Make.type: type = fn_type @Make [concrete]
 // CHECK:STDOUT:   %Make: %Make.type = struct_value () [concrete]
 // CHECK:STDOUT: }
@@ -1046,12 +1037,10 @@ fn F0(unused n: i32) -> P.D {
 // CHECK:STDOUT:   %impl.elem0.loc7_35: %.866 = impl_witness_access constants.%ImplicitAs.impl_witness.01b, element0 [concrete = constants.%C.as.ImplicitAs.impl.Convert.78d]
 // CHECK:STDOUT:   %bound_method.loc7_35: <bound method> = bound_method %.loc7_26.1, %impl.elem0.loc7_35 [concrete = constants.%C.as.ImplicitAs.impl.Convert.bound.cfc]
 // CHECK:STDOUT:   %.loc6_26.1: ref %D = splice_block %return.param {}
-// CHECK:STDOUT:   %.loc7_26.2: ref %C.b00 = temporary %.loc7_24.2, %.loc7_26.1
+// CHECK:STDOUT:   %.loc7_26.2: ref %C.b00 = temporary %.loc7_24.2, %.loc7_26.1 [concrete = constants.%.b4e]
 // CHECK:STDOUT:   %.loc7_26.3: %C.b00 = acquire_value %.loc7_26.2
 // CHECK:STDOUT:   %C.as.ImplicitAs.impl.Convert.call.loc7: init %D to %.loc6_26.1 = call %bound_method.loc7_35(%.loc7_26.3)
 // CHECK:STDOUT:   %.loc7_35: init %D = converted %.loc7_26.1, %C.as.ImplicitAs.impl.Convert.call.loc7
-// CHECK:STDOUT:   %Destroy.Op.bound.loc7_26.1: <bound method> = bound_method %.loc7_26.2, constants.%Destroy.Op.651ba6.1
-// CHECK:STDOUT:   %Destroy.Op.call.loc7_26.1: init %empty_tuple.type = call %Destroy.Op.bound.loc7_26.1(%.loc7_26.2)
 // CHECK:STDOUT:   return %.loc7_35 to %return.param
 // CHECK:STDOUT:
 // CHECK:STDOUT: !if.else.loc7:
@@ -1077,14 +1066,10 @@ fn F0(unused n: i32) -> P.D {
 // CHECK:STDOUT:   %impl.elem0.loc8_35: %.86b = impl_witness_access constants.%ImplicitAs.impl_witness.638, element0 [concrete = constants.%C.as.ImplicitAs.impl.Convert.b44]
 // CHECK:STDOUT:   %bound_method.loc8_35: <bound method> = bound_method %.loc8_26.1, %impl.elem0.loc8_35 [concrete = constants.%C.as.ImplicitAs.impl.Convert.bound.530]
 // CHECK:STDOUT:   %.loc6_26.2: ref %D = splice_block %return.param {}
-// CHECK:STDOUT:   %.loc8_26.2: ref %C.674 = temporary %.loc8_24.2, %.loc8_26.1
+// CHECK:STDOUT:   %.loc8_26.2: ref %C.674 = temporary %.loc8_24.2, %.loc8_26.1 [concrete = constants.%.6f4]
 // CHECK:STDOUT:   %.loc8_26.3: %C.674 = acquire_value %.loc8_26.2
 // CHECK:STDOUT:   %C.as.ImplicitAs.impl.Convert.call.loc8: init %D to %.loc6_26.2 = call %bound_method.loc8_35(%.loc8_26.3)
 // CHECK:STDOUT:   %.loc8_35: init %D = converted %.loc8_26.1, %C.as.ImplicitAs.impl.Convert.call.loc8
-// CHECK:STDOUT:   %Destroy.Op.bound.loc8_26.1: <bound method> = bound_method %.loc8_26.2, constants.%Destroy.Op.651ba6.2
-// CHECK:STDOUT:   %Destroy.Op.call.loc8_26.1: init %empty_tuple.type = call %Destroy.Op.bound.loc8_26.1(%.loc8_26.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc7_26.2: <bound method> = bound_method %.loc7_26.2, constants.%Destroy.Op.651ba6.1
-// CHECK:STDOUT:   %Destroy.Op.call.loc7_26.2: init %empty_tuple.type = call %Destroy.Op.bound.loc7_26.2(%.loc7_26.2)
 // CHECK:STDOUT:   return %.loc8_35 to %return.param
 // CHECK:STDOUT:
 // CHECK:STDOUT: !if.else.loc8:
@@ -1110,16 +1095,10 @@ fn F0(unused n: i32) -> P.D {
 // CHECK:STDOUT:   %impl.elem0.loc9_35: %.bfa = impl_witness_access constants.%ImplicitAs.impl_witness.a8d, element0 [concrete = constants.%C.as.ImplicitAs.impl.Convert.dd6]
 // CHECK:STDOUT:   %bound_method.loc9_35: <bound method> = bound_method %.loc9_26.1, %impl.elem0.loc9_35 [concrete = constants.%C.as.ImplicitAs.impl.Convert.bound.fc6]
 // CHECK:STDOUT:   %.loc6_26.3: ref %D = splice_block %return.param {}
-// CHECK:STDOUT:   %.loc9_26.2: ref %C.681 = temporary %.loc9_24.2, %.loc9_26.1
+// CHECK:STDOUT:   %.loc9_26.2: ref %C.681 = temporary %.loc9_24.2, %.loc9_26.1 [concrete = constants.%.18a]
 // CHECK:STDOUT:   %.loc9_26.3: %C.681 = acquire_value %.loc9_26.2
 // CHECK:STDOUT:   %C.as.ImplicitAs.impl.Convert.call.loc9: init %D to %.loc6_26.3 = call %bound_method.loc9_35(%.loc9_26.3)
 // CHECK:STDOUT:   %.loc9_35: init %D = converted %.loc9_26.1, %C.as.ImplicitAs.impl.Convert.call.loc9
-// CHECK:STDOUT:   %Destroy.Op.bound.loc9_26.1: <bound method> = bound_method %.loc9_26.2, constants.%Destroy.Op.651ba6.3
-// CHECK:STDOUT:   %Destroy.Op.call.loc9_26.1: init %empty_tuple.type = call %Destroy.Op.bound.loc9_26.1(%.loc9_26.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc8_26.2: <bound method> = bound_method %.loc8_26.2, constants.%Destroy.Op.651ba6.2
-// CHECK:STDOUT:   %Destroy.Op.call.loc8_26.2: init %empty_tuple.type = call %Destroy.Op.bound.loc8_26.2(%.loc8_26.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc7_26.3: <bound method> = bound_method %.loc7_26.2, constants.%Destroy.Op.651ba6.1
-// CHECK:STDOUT:   %Destroy.Op.call.loc7_26.3: init %empty_tuple.type = call %Destroy.Op.bound.loc7_26.3(%.loc7_26.2)
 // CHECK:STDOUT:   return %.loc9_35 to %return.param
 // CHECK:STDOUT:
 // CHECK:STDOUT: !if.else.loc9:
@@ -1145,18 +1124,10 @@ fn F0(unused n: i32) -> P.D {
 // CHECK:STDOUT:   %impl.elem0.loc10_35: %.a2c = impl_witness_access constants.%ImplicitAs.impl_witness.56b, element0 [concrete = constants.%C.as.ImplicitAs.impl.Convert.d1c]
 // CHECK:STDOUT:   %bound_method.loc10_35: <bound method> = bound_method %.loc10_26.1, %impl.elem0.loc10_35 [concrete = constants.%C.as.ImplicitAs.impl.Convert.bound.ffe]
 // CHECK:STDOUT:   %.loc6_26.4: ref %D = splice_block %return.param {}
-// CHECK:STDOUT:   %.loc10_26.2: ref %C.7ac = temporary %.loc10_24.2, %.loc10_26.1
+// CHECK:STDOUT:   %.loc10_26.2: ref %C.7ac = temporary %.loc10_24.2, %.loc10_26.1 [concrete = constants.%.440]
 // CHECK:STDOUT:   %.loc10_26.3: %C.7ac = acquire_value %.loc10_26.2
 // CHECK:STDOUT:   %C.as.ImplicitAs.impl.Convert.call.loc10: init %D to %.loc6_26.4 = call %bound_method.loc10_35(%.loc10_26.3)
 // CHECK:STDOUT:   %.loc10_35: init %D = converted %.loc10_26.1, %C.as.ImplicitAs.impl.Convert.call.loc10
-// CHECK:STDOUT:   %Destroy.Op.bound.loc10_26.1: <bound method> = bound_method %.loc10_26.2, constants.%Destroy.Op.651ba6.4
-// CHECK:STDOUT:   %Destroy.Op.call.loc10_26.1: init %empty_tuple.type = call %Destroy.Op.bound.loc10_26.1(%.loc10_26.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc9_26.2: <bound method> = bound_method %.loc9_26.2, constants.%Destroy.Op.651ba6.3
-// CHECK:STDOUT:   %Destroy.Op.call.loc9_26.2: init %empty_tuple.type = call %Destroy.Op.bound.loc9_26.2(%.loc9_26.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc8_26.3: <bound method> = bound_method %.loc8_26.2, constants.%Destroy.Op.651ba6.2
-// CHECK:STDOUT:   %Destroy.Op.call.loc8_26.3: init %empty_tuple.type = call %Destroy.Op.bound.loc8_26.3(%.loc8_26.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc7_26.4: <bound method> = bound_method %.loc7_26.2, constants.%Destroy.Op.651ba6.1
-// CHECK:STDOUT:   %Destroy.Op.call.loc7_26.4: init %empty_tuple.type = call %Destroy.Op.bound.loc7_26.4(%.loc7_26.2)
 // CHECK:STDOUT:   return %.loc10_35 to %return.param
 // CHECK:STDOUT:
 // CHECK:STDOUT: !if.else.loc10:
@@ -1182,20 +1153,10 @@ fn F0(unused n: i32) -> P.D {
 // CHECK:STDOUT:   %impl.elem0.loc11_35: %.c32 = impl_witness_access constants.%ImplicitAs.impl_witness.e05, element0 [concrete = constants.%C.as.ImplicitAs.impl.Convert.db5]
 // CHECK:STDOUT:   %bound_method.loc11_35: <bound method> = bound_method %.loc11_26.1, %impl.elem0.loc11_35 [concrete = constants.%C.as.ImplicitAs.impl.Convert.bound.7cc]
 // CHECK:STDOUT:   %.loc6_26.5: ref %D = splice_block %return.param {}
-// CHECK:STDOUT:   %.loc11_26.2: ref %C.89d = temporary %.loc11_24.2, %.loc11_26.1
+// CHECK:STDOUT:   %.loc11_26.2: ref %C.89d = temporary %.loc11_24.2, %.loc11_26.1 [concrete = constants.%.c3b]
 // CHECK:STDOUT:   %.loc11_26.3: %C.89d = acquire_value %.loc11_26.2
 // CHECK:STDOUT:   %C.as.ImplicitAs.impl.Convert.call.loc11: init %D to %.loc6_26.5 = call %bound_method.loc11_35(%.loc11_26.3)
 // CHECK:STDOUT:   %.loc11_35: init %D = converted %.loc11_26.1, %C.as.ImplicitAs.impl.Convert.call.loc11
-// CHECK:STDOUT:   %Destroy.Op.bound.loc11_26.1: <bound method> = bound_method %.loc11_26.2, constants.%Destroy.Op.651ba6.5
-// CHECK:STDOUT:   %Destroy.Op.call.loc11_26.1: init %empty_tuple.type = call %Destroy.Op.bound.loc11_26.1(%.loc11_26.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc10_26.2: <bound method> = bound_method %.loc10_26.2, constants.%Destroy.Op.651ba6.4
-// CHECK:STDOUT:   %Destroy.Op.call.loc10_26.2: init %empty_tuple.type = call %Destroy.Op.bound.loc10_26.2(%.loc10_26.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc9_26.3: <bound method> = bound_method %.loc9_26.2, constants.%Destroy.Op.651ba6.3
-// CHECK:STDOUT:   %Destroy.Op.call.loc9_26.3: init %empty_tuple.type = call %Destroy.Op.bound.loc9_26.3(%.loc9_26.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc8_26.4: <bound method> = bound_method %.loc8_26.2, constants.%Destroy.Op.651ba6.2
-// CHECK:STDOUT:   %Destroy.Op.call.loc8_26.4: init %empty_tuple.type = call %Destroy.Op.bound.loc8_26.4(%.loc8_26.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc7_26.5: <bound method> = bound_method %.loc7_26.2, constants.%Destroy.Op.651ba6.1
-// CHECK:STDOUT:   %Destroy.Op.call.loc7_26.5: init %empty_tuple.type = call %Destroy.Op.bound.loc7_26.5(%.loc7_26.2)
 // CHECK:STDOUT:   return %.loc11_35 to %return.param
 // CHECK:STDOUT:
 // CHECK:STDOUT: !if.else.loc11:
@@ -1221,22 +1182,10 @@ fn F0(unused n: i32) -> P.D {
 // CHECK:STDOUT:   %impl.elem0.loc12_35: %.df3 = impl_witness_access constants.%ImplicitAs.impl_witness.262, element0 [concrete = constants.%C.as.ImplicitAs.impl.Convert.a63]
 // CHECK:STDOUT:   %bound_method.loc12_35: <bound method> = bound_method %.loc12_26.1, %impl.elem0.loc12_35 [concrete = constants.%C.as.ImplicitAs.impl.Convert.bound.4ca]
 // CHECK:STDOUT:   %.loc6_26.6: ref %D = splice_block %return.param {}
-// CHECK:STDOUT:   %.loc12_26.2: ref %C.f0a = temporary %.loc12_24.2, %.loc12_26.1
+// CHECK:STDOUT:   %.loc12_26.2: ref %C.f0a = temporary %.loc12_24.2, %.loc12_26.1 [concrete = constants.%.d3c]
 // CHECK:STDOUT:   %.loc12_26.3: %C.f0a = acquire_value %.loc12_26.2
 // CHECK:STDOUT:   %C.as.ImplicitAs.impl.Convert.call.loc12: init %D to %.loc6_26.6 = call %bound_method.loc12_35(%.loc12_26.3)
 // CHECK:STDOUT:   %.loc12_35: init %D = converted %.loc12_26.1, %C.as.ImplicitAs.impl.Convert.call.loc12
-// CHECK:STDOUT:   %Destroy.Op.bound.loc12_26.1: <bound method> = bound_method %.loc12_26.2, constants.%Destroy.Op.651ba6.6
-// CHECK:STDOUT:   %Destroy.Op.call.loc12_26.1: init %empty_tuple.type = call %Destroy.Op.bound.loc12_26.1(%.loc12_26.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc11_26.2: <bound method> = bound_method %.loc11_26.2, constants.%Destroy.Op.651ba6.5
-// CHECK:STDOUT:   %Destroy.Op.call.loc11_26.2: init %empty_tuple.type = call %Destroy.Op.bound.loc11_26.2(%.loc11_26.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc10_26.3: <bound method> = bound_method %.loc10_26.2, constants.%Destroy.Op.651ba6.4
-// CHECK:STDOUT:   %Destroy.Op.call.loc10_26.3: init %empty_tuple.type = call %Destroy.Op.bound.loc10_26.3(%.loc10_26.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc9_26.4: <bound method> = bound_method %.loc9_26.2, constants.%Destroy.Op.651ba6.3
-// CHECK:STDOUT:   %Destroy.Op.call.loc9_26.4: init %empty_tuple.type = call %Destroy.Op.bound.loc9_26.4(%.loc9_26.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc8_26.5: <bound method> = bound_method %.loc8_26.2, constants.%Destroy.Op.651ba6.2
-// CHECK:STDOUT:   %Destroy.Op.call.loc8_26.5: init %empty_tuple.type = call %Destroy.Op.bound.loc8_26.5(%.loc8_26.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc7_26.6: <bound method> = bound_method %.loc7_26.2, constants.%Destroy.Op.651ba6.1
-// CHECK:STDOUT:   %Destroy.Op.call.loc7_26.6: init %empty_tuple.type = call %Destroy.Op.bound.loc7_26.6(%.loc7_26.2)
 // CHECK:STDOUT:   return %.loc12_35 to %return.param
 // CHECK:STDOUT:
 // CHECK:STDOUT: !if.else.loc12:
@@ -1262,24 +1211,10 @@ fn F0(unused n: i32) -> P.D {
 // CHECK:STDOUT:   %impl.elem0.loc13_35: %.4a2 = impl_witness_access constants.%ImplicitAs.impl_witness.7d1, element0 [concrete = constants.%C.as.ImplicitAs.impl.Convert.e2f]
 // CHECK:STDOUT:   %bound_method.loc13_35: <bound method> = bound_method %.loc13_26.1, %impl.elem0.loc13_35 [concrete = constants.%C.as.ImplicitAs.impl.Convert.bound.f82]
 // CHECK:STDOUT:   %.loc6_26.7: ref %D = splice_block %return.param {}
-// CHECK:STDOUT:   %.loc13_26.2: ref %C.c60 = temporary %.loc13_24.2, %.loc13_26.1
+// CHECK:STDOUT:   %.loc13_26.2: ref %C.c60 = temporary %.loc13_24.2, %.loc13_26.1 [concrete = constants.%.d2b]
 // CHECK:STDOUT:   %.loc13_26.3: %C.c60 = acquire_value %.loc13_26.2
 // CHECK:STDOUT:   %C.as.ImplicitAs.impl.Convert.call.loc13: init %D to %.loc6_26.7 = call %bound_method.loc13_35(%.loc13_26.3)
 // CHECK:STDOUT:   %.loc13_35: init %D = converted %.loc13_26.1, %C.as.ImplicitAs.impl.Convert.call.loc13
-// CHECK:STDOUT:   %Destroy.Op.bound.loc13_26.1: <bound method> = bound_method %.loc13_26.2, constants.%Destroy.Op.651ba6.7
-// CHECK:STDOUT:   %Destroy.Op.call.loc13_26.1: init %empty_tuple.type = call %Destroy.Op.bound.loc13_26.1(%.loc13_26.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc12_26.2: <bound method> = bound_method %.loc12_26.2, constants.%Destroy.Op.651ba6.6
-// CHECK:STDOUT:   %Destroy.Op.call.loc12_26.2: init %empty_tuple.type = call %Destroy.Op.bound.loc12_26.2(%.loc12_26.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc11_26.3: <bound method> = bound_method %.loc11_26.2, constants.%Destroy.Op.651ba6.5
-// CHECK:STDOUT:   %Destroy.Op.call.loc11_26.3: init %empty_tuple.type = call %Destroy.Op.bound.loc11_26.3(%.loc11_26.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc10_26.4: <bound method> = bound_method %.loc10_26.2, constants.%Destroy.Op.651ba6.4
-// CHECK:STDOUT:   %Destroy.Op.call.loc10_26.4: init %empty_tuple.type = call %Destroy.Op.bound.loc10_26.4(%.loc10_26.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc9_26.5: <bound method> = bound_method %.loc9_26.2, constants.%Destroy.Op.651ba6.3
-// CHECK:STDOUT:   %Destroy.Op.call.loc9_26.5: init %empty_tuple.type = call %Destroy.Op.bound.loc9_26.5(%.loc9_26.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc8_26.6: <bound method> = bound_method %.loc8_26.2, constants.%Destroy.Op.651ba6.2
-// CHECK:STDOUT:   %Destroy.Op.call.loc8_26.6: init %empty_tuple.type = call %Destroy.Op.bound.loc8_26.6(%.loc8_26.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc7_26.7: <bound method> = bound_method %.loc7_26.2, constants.%Destroy.Op.651ba6.1
-// CHECK:STDOUT:   %Destroy.Op.call.loc7_26.7: init %empty_tuple.type = call %Destroy.Op.bound.loc7_26.7(%.loc7_26.2)
 // CHECK:STDOUT:   return %.loc13_35 to %return.param
 // CHECK:STDOUT:
 // CHECK:STDOUT: !if.else.loc13:
@@ -1305,26 +1240,10 @@ fn F0(unused n: i32) -> P.D {
 // CHECK:STDOUT:   %impl.elem0.loc14_35: %.ad8 = impl_witness_access constants.%ImplicitAs.impl_witness.356, element0 [concrete = constants.%C.as.ImplicitAs.impl.Convert.5ea]
 // CHECK:STDOUT:   %bound_method.loc14_35: <bound method> = bound_method %.loc14_26.1, %impl.elem0.loc14_35 [concrete = constants.%C.as.ImplicitAs.impl.Convert.bound.622]
 // CHECK:STDOUT:   %.loc6_26.8: ref %D = splice_block %return.param {}
-// CHECK:STDOUT:   %.loc14_26.2: ref %C.304 = temporary %.loc14_24.2, %.loc14_26.1
+// CHECK:STDOUT:   %.loc14_26.2: ref %C.304 = temporary %.loc14_24.2, %.loc14_26.1 [concrete = constants.%.5dc]
 // CHECK:STDOUT:   %.loc14_26.3: %C.304 = acquire_value %.loc14_26.2
 // CHECK:STDOUT:   %C.as.ImplicitAs.impl.Convert.call.loc14: init %D to %.loc6_26.8 = call %bound_method.loc14_35(%.loc14_26.3)
 // CHECK:STDOUT:   %.loc14_35: init %D = converted %.loc14_26.1, %C.as.ImplicitAs.impl.Convert.call.loc14
-// CHECK:STDOUT:   %Destroy.Op.bound.loc14_26.1: <bound method> = bound_method %.loc14_26.2, constants.%Destroy.Op.651ba6.8
-// CHECK:STDOUT:   %Destroy.Op.call.loc14_26.1: init %empty_tuple.type = call %Destroy.Op.bound.loc14_26.1(%.loc14_26.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc13_26.2: <bound method> = bound_method %.loc13_26.2, constants.%Destroy.Op.651ba6.7
-// CHECK:STDOUT:   %Destroy.Op.call.loc13_26.2: init %empty_tuple.type = call %Destroy.Op.bound.loc13_26.2(%.loc13_26.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc12_26.3: <bound method> = bound_method %.loc12_26.2, constants.%Destroy.Op.651ba6.6
-// CHECK:STDOUT:   %Destroy.Op.call.loc12_26.3: init %empty_tuple.type = call %Destroy.Op.bound.loc12_26.3(%.loc12_26.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc11_26.4: <bound method> = bound_method %.loc11_26.2, constants.%Destroy.Op.651ba6.5
-// CHECK:STDOUT:   %Destroy.Op.call.loc11_26.4: init %empty_tuple.type = call %Destroy.Op.bound.loc11_26.4(%.loc11_26.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc10_26.5: <bound method> = bound_method %.loc10_26.2, constants.%Destroy.Op.651ba6.4
-// CHECK:STDOUT:   %Destroy.Op.call.loc10_26.5: init %empty_tuple.type = call %Destroy.Op.bound.loc10_26.5(%.loc10_26.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc9_26.6: <bound method> = bound_method %.loc9_26.2, constants.%Destroy.Op.651ba6.3
-// CHECK:STDOUT:   %Destroy.Op.call.loc9_26.6: init %empty_tuple.type = call %Destroy.Op.bound.loc9_26.6(%.loc9_26.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc8_26.7: <bound method> = bound_method %.loc8_26.2, constants.%Destroy.Op.651ba6.2
-// CHECK:STDOUT:   %Destroy.Op.call.loc8_26.7: init %empty_tuple.type = call %Destroy.Op.bound.loc8_26.7(%.loc8_26.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc7_26.8: <bound method> = bound_method %.loc7_26.2, constants.%Destroy.Op.651ba6.1
-// CHECK:STDOUT:   %Destroy.Op.call.loc7_26.8: init %empty_tuple.type = call %Destroy.Op.bound.loc7_26.8(%.loc7_26.2)
 // CHECK:STDOUT:   return %.loc14_35 to %return.param
 // CHECK:STDOUT:
 // CHECK:STDOUT: !if.else.loc14:
@@ -1332,22 +1251,6 @@ fn F0(unused n: i32) -> P.D {
 // CHECK:STDOUT:   %Make.ref: %Make.type = name_ref Make, imports.%P.Make [concrete = constants.%Make]
 // CHECK:STDOUT:   %.loc6_26.9: ref %D = splice_block %return.param {}
 // CHECK:STDOUT:   %Make.call: init %D to %.loc6_26.9 = call %Make.ref()
-// CHECK:STDOUT:   %Destroy.Op.bound.loc14_26.2: <bound method> = bound_method %.loc14_26.2, constants.%Destroy.Op.651ba6.8
-// CHECK:STDOUT:   %Destroy.Op.call.loc14_26.2: init %empty_tuple.type = call %Destroy.Op.bound.loc14_26.2(%.loc14_26.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc13_26.3: <bound method> = bound_method %.loc13_26.2, constants.%Destroy.Op.651ba6.7
-// CHECK:STDOUT:   %Destroy.Op.call.loc13_26.3: init %empty_tuple.type = call %Destroy.Op.bound.loc13_26.3(%.loc13_26.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc12_26.4: <bound method> = bound_method %.loc12_26.2, constants.%Destroy.Op.651ba6.6
-// CHECK:STDOUT:   %Destroy.Op.call.loc12_26.4: init %empty_tuple.type = call %Destroy.Op.bound.loc12_26.4(%.loc12_26.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc11_26.5: <bound method> = bound_method %.loc11_26.2, constants.%Destroy.Op.651ba6.5
-// CHECK:STDOUT:   %Destroy.Op.call.loc11_26.5: init %empty_tuple.type = call %Destroy.Op.bound.loc11_26.5(%.loc11_26.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc10_26.6: <bound method> = bound_method %.loc10_26.2, constants.%Destroy.Op.651ba6.4
-// CHECK:STDOUT:   %Destroy.Op.call.loc10_26.6: init %empty_tuple.type = call %Destroy.Op.bound.loc10_26.6(%.loc10_26.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc9_26.7: <bound method> = bound_method %.loc9_26.2, constants.%Destroy.Op.651ba6.3
-// CHECK:STDOUT:   %Destroy.Op.call.loc9_26.7: init %empty_tuple.type = call %Destroy.Op.bound.loc9_26.7(%.loc9_26.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc8_26.8: <bound method> = bound_method %.loc8_26.2, constants.%Destroy.Op.651ba6.2
-// CHECK:STDOUT:   %Destroy.Op.call.loc8_26.8: init %empty_tuple.type = call %Destroy.Op.bound.loc8_26.8(%.loc8_26.2)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc7_26.9: <bound method> = bound_method %.loc7_26.2, constants.%Destroy.Op.651ba6.1
-// CHECK:STDOUT:   %Destroy.Op.call.loc7_26.9: init %empty_tuple.type = call %Destroy.Op.bound.loc7_26.9(%.loc7_26.2)
 // CHECK:STDOUT:   return %Make.call to %return.param
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
diff --git a/toolchain/check/testdata/var/var_pattern.carbon b/toolchain/check/testdata/var/var_pattern.carbon
index 627f6b54c067..a30b3698491d 100644
--- a/toolchain/check/testdata/var/var_pattern.carbon
+++ b/toolchain/check/testdata/var/var_pattern.carbon
@@ -425,6 +425,7 @@ fn G() {
 // CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
 // CHECK:STDOUT:   %G.type: type = fn_type @G [concrete]
 // CHECK:STDOUT:   %G: %G.type = struct_value () [concrete]
+// CHECK:STDOUT:   %.a4d: ref %empty_tuple.type = temporary invalid, %empty_tuple [concrete]
 // CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
 // CHECK:STDOUT:   %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
 // CHECK:STDOUT:   %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
@@ -494,12 +495,10 @@ fn G() {
 // CHECK:STDOUT:   %.loc4_13.1: ref %empty_tuple.type = temporary_storage
 // CHECK:STDOUT:   %.loc8_9.2: init %empty_tuple.type = tuple_init () [concrete = constants.%empty_tuple]
 // CHECK:STDOUT:   %.loc4_13.2: init %empty_tuple.type = converted %.loc8_9.1, %.loc8_9.2 [concrete = constants.%empty_tuple]
-// CHECK:STDOUT:   %.loc4_13.3: ref %empty_tuple.type = temporary %.loc4_13.1, %.loc4_13.2
+// CHECK:STDOUT:   %.loc4_13.3: ref %empty_tuple.type = temporary %.loc4_13.1, %.loc4_13.2 [concrete = constants.%.a4d]
 // CHECK:STDOUT:   %F.call: init %empty_tuple.type = call %F.ref(%.loc8_5, %.loc4_13.3)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc4: <bound method> = bound_method %.loc4_13.3, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call.loc4: init %empty_tuple.type = call %Destroy.Op.bound.loc4(%.loc4_13.3)
-// CHECK:STDOUT:   %Destroy.Op.bound.loc7: <bound method> = bound_method %v.var, constants.%Destroy.Op
-// CHECK:STDOUT:   %Destroy.Op.call.loc7: init %empty_tuple.type = call %Destroy.Op.bound.loc7(%v.var)
+// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %v.var, constants.%Destroy.Op
+// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%v.var)
 // CHECK:STDOUT:   return
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -611,6 +610,7 @@ fn G() {
 // CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
 // CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
 // CHECK:STDOUT:   %empty_tuple: %empty_tuple.type = tuple_value () [concrete]
+// CHECK:STDOUT:   %.a4d: ref %empty_tuple.type = temporary invalid, %empty_tuple [concrete]
 // CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
 // CHECK:STDOUT:   %Self: %Destroy.type = symbolic_binding Self, 0 [symbolic]
 // CHECK:STDOUT:   %Destroy.WithSelf.Op.type.cb2: type = fn_type @Destroy.WithSelf.Op, @Destroy.WithSelf(%Self) [symbolic]
@@ -623,6 +623,7 @@ fn G() {
 // CHECK:STDOUT:   %Destroy.facet.5ae: %Destroy.type = facet_value %empty_tuple.type, (%custom_witness.8d7) [concrete]
 // CHECK:STDOUT:   %Destroy.WithSelf.Op.type.89a: type = fn_type @Destroy.WithSelf.Op, @Destroy.WithSelf(%Destroy.facet.5ae) [concrete]
 // CHECK:STDOUT:   %.518: type = fn_type_with_self_type %Destroy.WithSelf.Op.type.89a, %Destroy.facet.5ae [concrete]
+// CHECK:STDOUT:   %Destroy.Op.bound: <bound method> = bound_method %.a4d, %Destroy.Op [concrete]
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: imports {
@@ -663,12 +664,12 @@ fn G() {
 // CHECK:STDOUT:   %.1: ref %empty_tuple.type = temporary_storage
 // CHECK:STDOUT:   %.loc7_12.2: init %empty_tuple.type = tuple_init () [concrete = constants.%empty_tuple]
 // CHECK:STDOUT:   %.2: init %empty_tuple.type = converted %.loc7_12.1, %.loc7_12.2 [concrete = constants.%empty_tuple]
-// CHECK:STDOUT:   %.3: ref %empty_tuple.type = temporary %.1, %.2
+// CHECK:STDOUT:   %.3: ref %empty_tuple.type = temporary %.1, %.2 [concrete = constants.%.a4d]
 // CHECK:STDOUT:   %F.call: init %empty_tuple.type = call %F.ref(%.loc7_8.2, %.3)
 // CHECK:STDOUT:   %Op.ref: %Destroy.assoc_type = name_ref Op, imports.%Core.import_ref.06b [concrete = constants.%assoc0]
 // CHECK:STDOUT:   %impl.elem0: %.518 = impl_witness_access constants.%custom_witness.8d7, element0 [concrete = constants.%Destroy.Op]
-// CHECK:STDOUT:   %bound_method: <bound method> = bound_method %.3, %impl.elem0
-// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %bound_method(%.3)
+// CHECK:STDOUT:   %bound_method: <bound method> = bound_method %.3, %impl.elem0 [concrete = constants.%Destroy.Op.bound]
+// CHECK:STDOUT:   %Destroy.Op.call: init %empty_tuple.type = call %bound_method(%.3) [concrete = constants.%empty_tuple]
 // CHECK:STDOUT:   return
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
diff --git a/toolchain/lower/constant.cpp b/toolchain/lower/constant.cpp
index 1752e2b6142d..cf76a0f0aee7 100644
--- a/toolchain/lower/constant.cpp
+++ b/toolchain/lower/constant.cpp
@@ -100,6 +100,9 @@ class ConstantContext {
     return file_context_->llvm_module();
   }
   auto sem_ir() const -> const SemIR::File& { return file_context_->sem_ir(); }
+  auto inst_namer() const -> const SemIR::InstNamer* {
+    return file_context_->inst_namer();
+  }
 
  private:
   FileContext* file_context_;
@@ -297,6 +300,25 @@ static auto EmitAsConstant(ConstantContext& context, SemIR::StringLiteral inst)
           /*Name=*/"", /*AddressSpace=*/0, &context.llvm_module());
 }
 
+static auto EmitAsConstant(ConstantContext& context, SemIR::Temporary inst)
+    -> llvm::Constant* {
+  auto* const_value = context.GetConstant(inst.init_id);
+
+  llvm::StringRef const_name;
+  if (context.inst_namer()) {
+    const_name = context.inst_namer()->GetUnscopedNameFor(inst.init_id);
+  }
+  if (const_name.empty()) {
+    const_name = "const";
+  }
+
+  auto* global_variable = new llvm::GlobalVariable(
+      context.llvm_module(), context.GetType(inst.type_id),
+      /*isConstant=*/true, llvm::GlobalVariable::InternalLinkage, const_value,
+      const_name);
+  return global_variable;
+}
+
 static auto EmitAsConstant(ConstantContext& context,
                            SemIR::UninitializedValue inst) -> llvm::Constant* {
   return llvm::PoisonValue::get(context.GetType(inst.type_id));
diff --git a/toolchain/lower/testdata/array/function_param.carbon b/toolchain/lower/testdata/array/function_param.carbon
index c9d3f4a1a278..84064bb90dbf 100644
--- a/toolchain/lower/testdata/array/function_param.carbon
+++ b/toolchain/lower/testdata/array/function_param.carbon
@@ -21,7 +21,7 @@ fn G() -> i32 {
 // CHECK:STDOUT: ; ModuleID = 'function_param.carbon'
 // CHECK:STDOUT: source_filename = "function_param.carbon"
 // CHECK:STDOUT:
-// CHECK:STDOUT: @array.loc18_20.13 = internal constant [3 x i32] [i32 1, i32 2, i32 3]
+// CHECK:STDOUT: @array = internal constant [3 x i32] [i32 1, i32 2, i32 3]
 // CHECK:STDOUT:
 // CHECK:STDOUT: ; Function Attrs: nounwind
 // CHECK:STDOUT: define i32 @_CF.Main(ptr %arr, i32 %i) #0 !dbg !4 {
@@ -39,20 +39,15 @@ fn G() -> i32 {
 // CHECK:STDOUT:   %.loc18_20.4.array.index = getelementptr inbounds [3 x i32], ptr %.loc18_20.3.temp, i32 0, i64 0, !dbg !17
 // CHECK:STDOUT:   %.loc18_20.7.array.index = getelementptr inbounds [3 x i32], ptr %.loc18_20.3.temp, i32 0, i64 1, !dbg !17
 // CHECK:STDOUT:   %.loc18_20.10.array.index = getelementptr inbounds [3 x i32], ptr %.loc18_20.3.temp, i32 0, i64 2, !dbg !17
-// CHECK:STDOUT:   call void @llvm.memcpy.p0.p0.i64(ptr align 4 %.loc18_20.3.temp, ptr align 4 @array.loc18_20.13, i64 12, i1 false), !dbg !17
-// CHECK:STDOUT:   %F.call = call i32 @_CF.Main(ptr %.loc18_20.3.temp, i32 1), !dbg !18
+// CHECK:STDOUT:   %F.call = call i32 @_CF.Main(ptr @array, i32 1), !dbg !18
 // CHECK:STDOUT:   ret i32 %F.call, !dbg !19
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
 // CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #1
 // CHECK:STDOUT:
-// CHECK:STDOUT: ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
-// CHECK:STDOUT: declare void @llvm.memcpy.p0.p0.i64(ptr noalias writeonly captures(none), ptr noalias readonly captures(none), i64, i1 immarg) #2
-// CHECK:STDOUT:
 // CHECK:STDOUT: attributes #0 = { nounwind }
 // CHECK:STDOUT: attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
-// CHECK:STDOUT: attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
 // CHECK:STDOUT:
 // CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
 // CHECK:STDOUT: !llvm.dbg.cu = !{!2}
diff --git a/toolchain/lower/testdata/array/iterate.carbon b/toolchain/lower/testdata/array/iterate.carbon
index 9648b74f1a92..8c2b19945be4 100644
--- a/toolchain/lower/testdata/array/iterate.carbon
+++ b/toolchain/lower/testdata/array/iterate.carbon
@@ -22,7 +22,7 @@ fn F() {
 // CHECK:STDOUT: ; ModuleID = 'iterate.carbon'
 // CHECK:STDOUT: source_filename = "iterate.carbon"
 // CHECK:STDOUT:
-// CHECK:STDOUT: @array.loc16_43.22 = internal constant [6 x i32] [i32 1, i32 2, i32 3, i32 4, i32 5, i32 6]
+// CHECK:STDOUT: @array = internal constant [6 x i32] [i32 1, i32 2, i32 3, i32 4, i32 5, i32 6]
 // CHECK:STDOUT:
 // CHECK:STDOUT: declare void @_CG.Main(i32)
 // CHECK:STDOUT:
@@ -39,15 +39,14 @@ fn F() {
 // CHECK:STDOUT:   %.loc16_43.13.array.index = getelementptr inbounds [6 x i32], ptr %.loc16_43.3.temp, i32 0, i64 3, !dbg !7
 // CHECK:STDOUT:   %.loc16_43.16.array.index = getelementptr inbounds [6 x i32], ptr %.loc16_43.3.temp, i32 0, i64 4, !dbg !7
 // CHECK:STDOUT:   %.loc16_43.19.array.index = getelementptr inbounds [6 x i32], ptr %.loc16_43.3.temp, i32 0, i64 5, !dbg !7
-// CHECK:STDOUT:   call void @llvm.memcpy.p0.p0.i64(ptr align 4 %.loc16_43.3.temp, ptr align 4 @array.loc16_43.22, i64 24, i1 false), !dbg !7
-// CHECK:STDOUT:   %array_type.as.Iterate.impl.NewCursor.call = call i32 @"_CNewCursor.7711e6f0e1563534:Iterate.Core.355bb079bb00aa16"(ptr %.loc16_43.3.temp), !dbg !8
+// CHECK:STDOUT:   %array_type.as.Iterate.impl.NewCursor.call = call i32 @"_CNewCursor.7711e6f0e1563534:Iterate.Core.355bb079bb00aa16"(ptr @array), !dbg !8
 // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %var), !dbg !8
 // CHECK:STDOUT:   store i32 %array_type.as.Iterate.impl.NewCursor.call, ptr %var, align 4, !dbg !8
 // CHECK:STDOUT:   br label %for.next, !dbg !8
 // CHECK:STDOUT:
 // CHECK:STDOUT: for.next:                                         ; preds = %for.body, %entry
 // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc17_19.1.temp), !dbg !8
-// CHECK:STDOUT:   call void @"_CNext.7711e6f0e1563534:Iterate.Core.355bb079bb00aa16"(ptr %.loc17_19.1.temp, ptr %.loc16_43.3.temp, ptr %var), !dbg !8
+// CHECK:STDOUT:   call void @"_CNext.7711e6f0e1563534:Iterate.Core.355bb079bb00aa16"(ptr %.loc17_19.1.temp, ptr @array, ptr %var), !dbg !8
 // CHECK:STDOUT:   %Optional.HasValue.call = call i1 @_CHasValue.Optional.Core.b5e6acce74484d77(ptr %.loc17_19.1.temp), !dbg !8
 // CHECK:STDOUT:   br i1 %Optional.HasValue.call, label %for.body, label %for.done, !dbg !8
 // CHECK:STDOUT:
@@ -63,9 +62,6 @@ fn F() {
 // CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
 // CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #1
 // CHECK:STDOUT:
-// CHECK:STDOUT: ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
-// CHECK:STDOUT: declare void @llvm.memcpy.p0.p0.i64(ptr noalias writeonly captures(none), ptr noalias readonly captures(none), i64, i1 immarg) #2
-// CHECK:STDOUT:
 // CHECK:STDOUT: ; Function Attrs: nounwind
 // CHECK:STDOUT: define linkonce_odr i32 @"_CNewCursor.7711e6f0e1563534:Iterate.Core.355bb079bb00aa16"(ptr %self) #0 !dbg !12 {
 // CHECK:STDOUT:   ret i32 0, !dbg !20
@@ -137,7 +133,7 @@ fn F() {
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: ; Function Attrs: alwaysinline nounwind
-// CHECK:STDOUT: define linkonce_odr void @"_COp:thunk.Int.9452f4c51951679b.Core:AddAssignWith.e2da7149b7fcf782.Core.23ea0ff7335d4fdc"(ptr %self, i32 %other) #3 !dbg !79 {
+// CHECK:STDOUT: define linkonce_odr void @"_COp:thunk.Int.9452f4c51951679b.Core:AddAssignWith.e2da7149b7fcf782.Core.23ea0ff7335d4fdc"(ptr %self, i32 %other) #2 !dbg !79 {
 // CHECK:STDOUT:   %1 = call i32 @"_CConvert.93210ed0b06d6c25:ImplicitAs.11da3bb3c3dce533.Core.5da21217b3d19eab"(i32 %other), !dbg !85
 // CHECK:STDOUT:   %2 = load i32, ptr %self, align 4, !dbg !86
 // CHECK:STDOUT:   %3 = add i32 %2, %1, !dbg !86
@@ -177,8 +173,7 @@ fn F() {
 // CHECK:STDOUT:
 // CHECK:STDOUT: attributes #0 = { nounwind }
 // CHECK:STDOUT: attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
-// CHECK:STDOUT: attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
-// CHECK:STDOUT: attributes #3 = { alwaysinline nounwind }
+// CHECK:STDOUT: attributes #2 = { alwaysinline nounwind }
 // CHECK:STDOUT:
 // CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
 // CHECK:STDOUT: !llvm.dbg.cu = !{!2}
diff --git a/toolchain/lower/testdata/builtins/cpp.carbon b/toolchain/lower/testdata/builtins/cpp.carbon
index ee6434ff869a..89da299bfdd3 100644
--- a/toolchain/lower/testdata/builtins/cpp.carbon
+++ b/toolchain/lower/testdata/builtins/cpp.carbon
@@ -44,7 +44,7 @@ fn Test() {
 // CHECK:STDOUT: target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
 // CHECK:STDOUT: target triple = "x86_64-unknown-linux-gnu"
 // CHECK:STDOUT:
-// CHECK:STDOUT: @array.loc25_52.16 = internal constant [4 x i32] [i32 1, i32 2, i32 3, i32 4]
+// CHECK:STDOUT: @array = internal constant [4 x i32] [i32 1, i32 2, i32 3, i32 4]
 // CHECK:STDOUT:
 // CHECK:STDOUT: declare void @_CTakePointerPointer.Main(ptr)
 // CHECK:STDOUT:
@@ -63,12 +63,10 @@ fn Test() {
 // CHECK:STDOUT:   %.loc25_52.7.array.index = getelementptr inbounds [4 x i32], ptr %.loc25_52.3.temp, i32 0, i64 1, !dbg !15
 // CHECK:STDOUT:   %.loc25_52.10.array.index = getelementptr inbounds [4 x i32], ptr %.loc25_52.3.temp, i32 0, i64 2, !dbg !15
 // CHECK:STDOUT:   %.loc25_52.13.array.index = getelementptr inbounds [4 x i32], ptr %.loc25_52.3.temp, i32 0, i64 3, !dbg !15
-// CHECK:STDOUT:   call void @llvm.memcpy.p0.p0.i64(ptr align 4 %.loc25_52.3.temp, ptr align 4 @array.loc25_52.16, i64 16, i1 false), !dbg !15
 // CHECK:STDOUT:   %MakePointerPointer.call.init_list.begin = getelementptr inbounds nuw [16 x i8], ptr %.loc25_53.1.temp, i32 0, i32 0, !dbg !14
-// CHECK:STDOUT:   store ptr %.loc25_52.3.temp, ptr %MakePointerPointer.call.init_list.begin, align 8, !dbg !14
+// CHECK:STDOUT:   store ptr @array, ptr %MakePointerPointer.call.init_list.begin, align 8, !dbg !14
 // CHECK:STDOUT:   %MakePointerPointer.call.init_list.end = getelementptr inbounds nuw [16 x i8], ptr %.loc25_53.1.temp, i32 0, i32 8, !dbg !14
-// CHECK:STDOUT:   %MakePointerPointer.call.array.end = getelementptr inbounds [4 x i32], ptr %.loc25_52.3.temp, i32 1, !dbg !14
-// CHECK:STDOUT:   store ptr %MakePointerPointer.call.array.end, ptr %MakePointerPointer.call.init_list.end, align 8, !dbg !14
+// CHECK:STDOUT:   store ptr getelementptr inbounds ([4 x i32], ptr @array, i32 1), ptr %MakePointerPointer.call.init_list.end, align 8, !dbg !14
 // CHECK:STDOUT:   call void @_CTakePointerPointer.Main(ptr %.loc25_53.1.temp), !dbg !18
 // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc26_47.1.temp), !dbg !16
 // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc26_46.3.temp), !dbg !17
@@ -76,9 +74,8 @@ fn Test() {
 // CHECK:STDOUT:   %.loc26_46.7.array.index = getelementptr inbounds [4 x i32], ptr %.loc26_46.3.temp, i32 0, i64 1, !dbg !17
 // CHECK:STDOUT:   %.loc26_46.10.array.index = getelementptr inbounds [4 x i32], ptr %.loc26_46.3.temp, i32 0, i64 2, !dbg !17
 // CHECK:STDOUT:   %.loc26_46.13.array.index = getelementptr inbounds [4 x i32], ptr %.loc26_46.3.temp, i32 0, i64 3, !dbg !17
-// CHECK:STDOUT:   call void @llvm.memcpy.p0.p0.i64(ptr align 4 %.loc26_46.3.temp, ptr align 4 @array.loc25_52.16, i64 16, i1 false), !dbg !17
 // CHECK:STDOUT:   %MakePointerSize.call.init_list.begin = getelementptr inbounds nuw [16 x i8], ptr %.loc26_47.1.temp, i32 0, i32 0, !dbg !16
-// CHECK:STDOUT:   store ptr %.loc26_46.3.temp, ptr %MakePointerSize.call.init_list.begin, align 8, !dbg !16
+// CHECK:STDOUT:   store ptr @array, ptr %MakePointerSize.call.init_list.begin, align 8, !dbg !16
 // CHECK:STDOUT:   %MakePointerSize.call.init_list.size = getelementptr inbounds nuw [16 x i8], ptr %.loc26_47.1.temp, i32 0, i32 8, !dbg !16
 // CHECK:STDOUT:   store i64 4, ptr %MakePointerSize.call.init_list.size, align 8, !dbg !16
 // CHECK:STDOUT:   call void @_CTakePointerSize.Main(ptr %.loc26_47.1.temp), !dbg !19
@@ -88,16 +85,11 @@ fn Test() {
 // CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
 // CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #1
 // CHECK:STDOUT:
-// CHECK:STDOUT: ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
-// CHECK:STDOUT: declare void @llvm.memcpy.p0.p0.i64(ptr noalias writeonly captures(none), ptr noalias readonly captures(none), i64, i1 immarg) #2
-// CHECK:STDOUT:
 // CHECK:STDOUT: ; uselistorder directives
 // CHECK:STDOUT: uselistorder ptr @llvm.lifetime.start.p0, { 3, 2, 1, 0 }
-// CHECK:STDOUT: uselistorder ptr @llvm.memcpy.p0.p0.i64, { 1, 0 }
 // CHECK:STDOUT:
 // CHECK:STDOUT: attributes #0 = { nounwind }
 // CHECK:STDOUT: attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
-// CHECK:STDOUT: attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
 // CHECK:STDOUT:
 // CHECK:STDOUT: !llvm.module.flags = !{!0, !1, !2, !3, !4}
 // CHECK:STDOUT: !llvm.dbg.cu = !{!5}
diff --git a/toolchain/lower/testdata/function/call/form.carbon b/toolchain/lower/testdata/function/call/form.carbon
index fa9182affb01..508689001d8a 100644
--- a/toolchain/lower/testdata/function/call/form.carbon
+++ b/toolchain/lower/testdata/function/call/form.carbon
@@ -102,6 +102,8 @@ fn G() {
 // CHECK:STDOUT: ; ModuleID = 'var_form_param.carbon'
 // CHECK:STDOUT: source_filename = "var_form_param.carbon"
 // CHECK:STDOUT:
+// CHECK:STDOUT: @int_0.6a9 = internal constant i32 0
+// CHECK:STDOUT:
 // CHECK:STDOUT: declare void @_CF.Main(ptr)
 // CHECK:STDOUT:
 // CHECK:STDOUT: ; Function Attrs: nounwind
@@ -109,8 +111,7 @@ fn G() {
 // CHECK:STDOUT: entry:
 // CHECK:STDOUT:   %.loc3_7.1.temp = alloca i32, align 4, !dbg !7
 // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc3_7.1.temp), !dbg !7
-// CHECK:STDOUT:   store i32 0, ptr %.loc3_7.1.temp, align 4, !dbg !7
-// CHECK:STDOUT:   call void @_CF.Main(ptr %.loc3_7.1.temp), !dbg !8
+// CHECK:STDOUT:   call void @_CF.Main(ptr @int_0.6a9), !dbg !8
 // CHECK:STDOUT:   ret void, !dbg !9
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
diff --git a/toolchain/lower/testdata/function/definition/destroy.carbon b/toolchain/lower/testdata/function/definition/destroy.carbon
index 18398882f350..e6498d7aa681 100644
--- a/toolchain/lower/testdata/function/definition/destroy.carbon
+++ b/toolchain/lower/testdata/function/definition/destroy.carbon
@@ -75,7 +75,7 @@ fn InitLet() {
 // CHECK:STDOUT: ; ModuleID = 'let_param.carbon'
 // CHECK:STDOUT: source_filename = "let_param.carbon"
 // CHECK:STDOUT:
-// CHECK:STDOUT: @C.val.loc12_6.4 = internal constant {} zeroinitializer
+// CHECK:STDOUT: @C.val = internal constant {} zeroinitializer
 // CHECK:STDOUT:
 // CHECK:STDOUT: ; Function Attrs: nounwind
 // CHECK:STDOUT: define void @_CF.Main(ptr %_) #0 !dbg !4 {
@@ -90,8 +90,7 @@ fn InitLet() {
 // CHECK:STDOUT: entry:
 // CHECK:STDOUT:   %.loc12_6.2.temp = alloca {}, align 8, !dbg !14
 // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc12_6.2.temp), !dbg !14
-// CHECK:STDOUT:   call void @llvm.memcpy.p0.p0.i64(ptr align 1 %.loc12_6.2.temp, ptr align 1 @C.val.loc12_6.4, i64 0, i1 false), !dbg !14
-// CHECK:STDOUT:   call void @_CF.Main(ptr %.loc12_6.2.temp), !dbg !15
+// CHECK:STDOUT:   call void @_CF.Main(ptr @C.val), !dbg !15
 // CHECK:STDOUT:   call void @_CG.Main(), !dbg !16
 // CHECK:STDOUT:   ret void, !dbg !17
 // CHECK:STDOUT: }
@@ -99,12 +98,8 @@ fn InitLet() {
 // CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
 // CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #1
 // CHECK:STDOUT:
-// CHECK:STDOUT: ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
-// CHECK:STDOUT: declare void @llvm.memcpy.p0.p0.i64(ptr noalias writeonly captures(none), ptr noalias readonly captures(none), i64, i1 immarg) #2
-// CHECK:STDOUT:
 // CHECK:STDOUT: attributes #0 = { nounwind }
 // CHECK:STDOUT: attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
-// CHECK:STDOUT: attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
 // CHECK:STDOUT:
 // CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
 // CHECK:STDOUT: !llvm.dbg.cu = !{!2}
@@ -130,7 +125,7 @@ fn InitLet() {
 // CHECK:STDOUT: ; ModuleID = 'var_param.carbon'
 // CHECK:STDOUT: source_filename = "var_param.carbon"
 // CHECK:STDOUT:
-// CHECK:STDOUT: @C.val.loc6_6.2 = internal constant {} zeroinitializer
+// CHECK:STDOUT: @C.val = internal constant {} zeroinitializer
 // CHECK:STDOUT:
 // CHECK:STDOUT: ; Function Attrs: nounwind
 // CHECK:STDOUT: define void @_CF.Main(ptr %_) #0 !dbg !4 {
@@ -145,8 +140,7 @@ fn InitLet() {
 // CHECK:STDOUT: entry:
 // CHECK:STDOUT:   %.loc6_6.1.temp = alloca {}, align 8, !dbg !14
 // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc6_6.1.temp), !dbg !14
-// CHECK:STDOUT:   call void @llvm.memcpy.p0.p0.i64(ptr align 1 %.loc6_6.1.temp, ptr align 1 @C.val.loc6_6.2, i64 0, i1 false), !dbg !14
-// CHECK:STDOUT:   call void @_CF.Main(ptr %.loc6_6.1.temp), !dbg !15
+// CHECK:STDOUT:   call void @_CF.Main(ptr @C.val), !dbg !15
 // CHECK:STDOUT:   call void @_CG.Main(), !dbg !16
 // CHECK:STDOUT:   ret void, !dbg !17
 // CHECK:STDOUT: }
@@ -154,12 +148,8 @@ fn InitLet() {
 // CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
 // CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #1
 // CHECK:STDOUT:
-// CHECK:STDOUT: ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
-// CHECK:STDOUT: declare void @llvm.memcpy.p0.p0.i64(ptr noalias writeonly captures(none), ptr noalias readonly captures(none), i64, i1 immarg) #2
-// CHECK:STDOUT:
 // CHECK:STDOUT: attributes #0 = { nounwind }
 // CHECK:STDOUT: attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
-// CHECK:STDOUT: attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
 // CHECK:STDOUT:
 // CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
 // CHECK:STDOUT: !llvm.dbg.cu = !{!2}
diff --git a/toolchain/lower/testdata/function/definition/var_param.carbon b/toolchain/lower/testdata/function/definition/var_param.carbon
index 9346644c4b09..6f21f151e6c7 100644
--- a/toolchain/lower/testdata/function/definition/var_param.carbon
+++ b/toolchain/lower/testdata/function/definition/var_param.carbon
@@ -31,7 +31,8 @@ fn Call() {
 // CHECK:STDOUT: ; ModuleID = 'var_param.carbon'
 // CHECK:STDOUT: source_filename = "var_param.carbon"
 // CHECK:STDOUT:
-// CHECK:STDOUT: @X.val.loc16_13.2 = internal constant {} zeroinitializer
+// CHECK:STDOUT: @int_1.5d2 = internal constant i32 1
+// CHECK:STDOUT: @X.val = internal constant {} zeroinitializer
 // CHECK:STDOUT:
 // CHECK:STDOUT: ; Function Attrs: nounwind
 // CHECK:STDOUT: define void @_COneVar_i32.Main(ptr %_) #0 !dbg !4 {
@@ -74,40 +75,28 @@ fn Call() {
 // CHECK:STDOUT:   %.loc27_18.2.temp = alloca {}, align 8, !dbg !43
 // CHECK:STDOUT:   %.loc21_23.1.temp = alloca {}, align 8, !dbg !44
 // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc15_15.1.temp), !dbg !38
-// CHECK:STDOUT:   store i32 1, ptr %.loc15_15.1.temp, align 4, !dbg !38
-// CHECK:STDOUT:   call void @_COneVar_i32.Main(ptr %.loc15_15.1.temp), !dbg !45
+// CHECK:STDOUT:   call void @_COneVar_i32.Main(ptr @int_1.5d2), !dbg !45
 // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc16_13.1.temp), !dbg !39
-// CHECK:STDOUT:   call void @llvm.memcpy.p0.p0.i64(ptr align 1 %.loc16_13.1.temp, ptr align 1 @X.val.loc16_13.2, i64 0, i1 false), !dbg !39
-// CHECK:STDOUT:   call void @_COneVar_X.Main(ptr %.loc16_13.1.temp), !dbg !46
+// CHECK:STDOUT:   call void @_COneVar_X.Main(ptr @X.val), !dbg !46
 // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc18_12.1.temp), !dbg !40
-// CHECK:STDOUT:   store i32 1, ptr %.loc18_12.1.temp, align 4, !dbg !40
 // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc18_24.1.temp), !dbg !41
-// CHECK:STDOUT:   call void @llvm.memcpy.p0.p0.i64(ptr align 1 %.loc18_24.1.temp, ptr align 1 @X.val.loc16_13.2, i64 0, i1 false), !dbg !41
-// CHECK:STDOUT:   call void @_CTwoVars.Main(ptr %.loc18_12.1.temp, ptr %.loc18_24.1.temp), !dbg !47
+// CHECK:STDOUT:   call void @_CTwoVars.Main(ptr @int_1.5d2, ptr @X.val), !dbg !47
 // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc20_15.1.temp), !dbg !42
-// CHECK:STDOUT:   store i32 1, ptr %.loc20_15.1.temp, align 4, !dbg !42
 // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc27_18.2.temp), !dbg !43
-// CHECK:STDOUT:   call void @llvm.memcpy.p0.p0.i64(ptr align 1 %.loc27_18.2.temp, ptr align 1 @X.val.loc16_13.2, i64 0, i1 false), !dbg !43
-// CHECK:STDOUT:   call void @_CVarThenLet.Main(ptr %.loc20_15.1.temp, ptr %.loc27_18.2.temp), !dbg !48
+// CHECK:STDOUT:   call void @_CVarThenLet.Main(ptr @int_1.5d2, ptr @X.val), !dbg !48
 // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc21_23.1.temp), !dbg !44
-// CHECK:STDOUT:   call void @llvm.memcpy.p0.p0.i64(ptr align 1 %.loc21_23.1.temp, ptr align 1 @X.val.loc16_13.2, i64 0, i1 false), !dbg !44
-// CHECK:STDOUT:   call void @_CLetThenVar.Main(i32 1, ptr %.loc21_23.1.temp), !dbg !49
+// CHECK:STDOUT:   call void @_CLetThenVar.Main(i32 1, ptr @X.val), !dbg !49
 // CHECK:STDOUT:   ret void, !dbg !50
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
 // CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #1
 // CHECK:STDOUT:
-// CHECK:STDOUT: ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
-// CHECK:STDOUT: declare void @llvm.memcpy.p0.p0.i64(ptr noalias writeonly captures(none), ptr noalias readonly captures(none), i64, i1 immarg) #2
-// CHECK:STDOUT:
 // CHECK:STDOUT: ; uselistorder directives
 // CHECK:STDOUT: uselistorder ptr @llvm.lifetime.start.p0, { 6, 5, 4, 3, 2, 1, 0 }
-// CHECK:STDOUT: uselistorder ptr @llvm.memcpy.p0.p0.i64, { 3, 2, 1, 0 }
 // CHECK:STDOUT:
 // CHECK:STDOUT: attributes #0 = { nounwind }
 // CHECK:STDOUT: attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
-// CHECK:STDOUT: attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
 // CHECK:STDOUT:
 // CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
 // CHECK:STDOUT: !llvm.dbg.cu = !{!2}
diff --git a/toolchain/lower/testdata/interop/cpp/method.carbon b/toolchain/lower/testdata/interop/cpp/method.carbon
index 7c00471b039e..7131ae3d9e2e 100644
--- a/toolchain/lower/testdata/interop/cpp/method.carbon
+++ b/toolchain/lower/testdata/interop/cpp/method.carbon
@@ -266,6 +266,8 @@ fn Call(n: Cpp.NeedThunk) {
 // CHECK:STDOUT:
 // CHECK:STDOUT: %struct.NeedThunk = type { i8 }
 // CHECK:STDOUT:
+// CHECK:STDOUT: @int_1.30e = internal constant i8 1
+// CHECK:STDOUT:
 // CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress uwtable
 // CHECK:STDOUT: define dso_local void @_ZNK9NeedThunk8ImplicitEa.carbon_thunk(ptr noundef nonnull align 1 dereferenceable(1) %this, ptr noundef %c) #0 {
 // CHECK:STDOUT: entry:
@@ -305,11 +307,9 @@ fn Call(n: Cpp.NeedThunk) {
 // CHECK:STDOUT:   %.loc7_14.3.temp = alloca i8, align 1, !dbg !24
 // CHECK:STDOUT:   %.loc8_14.3.temp = alloca i8, align 1, !dbg !25
 // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc7_14.3.temp), !dbg !24
-// CHECK:STDOUT:   store i8 1, ptr %.loc7_14.3.temp, align 1, !dbg !24
-// CHECK:STDOUT:   call void @_ZNK9NeedThunk8ImplicitEa.carbon_thunk(ptr %n, ptr %.loc7_14.3.temp), !dbg !26
+// CHECK:STDOUT:   call void @_ZNK9NeedThunk8ImplicitEa.carbon_thunk(ptr %n, ptr @int_1.30e), !dbg !26
 // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc8_14.3.temp), !dbg !25
-// CHECK:STDOUT:   store i8 1, ptr %.loc8_14.3.temp, align 1, !dbg !25
-// CHECK:STDOUT:   call void @_ZNH9NeedThunk8ExplicitES_a.carbon_thunk(ptr %n, ptr %.loc8_14.3.temp), !dbg !27
+// CHECK:STDOUT:   call void @_ZNH9NeedThunk8ExplicitES_a.carbon_thunk(ptr %n, ptr @int_1.30e), !dbg !27
 // CHECK:STDOUT:   ret void, !dbg !28
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
diff --git a/toolchain/lower/testdata/interop/cpp/parameters.carbon b/toolchain/lower/testdata/interop/cpp/parameters.carbon
index 7fca3160b683..bb946a6c5372 100644
--- a/toolchain/lower/testdata/interop/cpp/parameters.carbon
+++ b/toolchain/lower/testdata/interop/cpp/parameters.carbon
@@ -113,6 +113,10 @@ fn PassValueExpr(y: Cpp.Y) {
 // CHECK:STDOUT: target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
 // CHECK:STDOUT: target triple = "x86_64-unknown-linux-gnu"
 // CHECK:STDOUT:
+// CHECK:STDOUT: @int_1.30e = internal constant i8 1
+// CHECK:STDOUT: @int_2.305 = internal constant i16 2
+// CHECK:STDOUT: @int_1.e80 = internal constant i8 1
+// CHECK:STDOUT: @int_2.fb2 = internal constant i16 2
 // CHECK:STDOUT: @_Cc.Main = global i16 0
 // CHECK:STDOUT: @llvm.global_ctors = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 0, ptr @_C__global_init.Main, ptr null }]
 // CHECK:STDOUT:
@@ -183,15 +187,11 @@ fn PassValueExpr(y: Cpp.Y) {
 // CHECK:STDOUT:   %.loc9_21.3.temp = alloca i8, align 1, !dbg !26
 // CHECK:STDOUT:   %.loc9_24.3.temp = alloca i16, align 2, !dbg !27
 // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc7_19.3.temp), !dbg !24
-// CHECK:STDOUT:   store i8 1, ptr %.loc7_19.3.temp, align 1, !dbg !24
 // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc7_22.3.temp), !dbg !25
-// CHECK:STDOUT:   store i16 2, ptr %.loc7_22.3.temp, align 2, !dbg !25
-// CHECK:STDOUT:   call void @_Z11pass_signedasil.carbon_thunk(ptr %.loc7_19.3.temp, ptr %.loc7_22.3.temp, i32 3, i64 4), !dbg !28
+// CHECK:STDOUT:   call void @_Z11pass_signedasil.carbon_thunk(ptr @int_1.30e, ptr @int_2.305, i32 3, i64 4), !dbg !28
 // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc9_21.3.temp), !dbg !26
-// CHECK:STDOUT:   store i8 1, ptr %.loc9_21.3.temp, align 1, !dbg !26
 // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc9_24.3.temp), !dbg !27
-// CHECK:STDOUT:   store i16 2, ptr %.loc9_24.3.temp, align 2, !dbg !27
-// CHECK:STDOUT:   call void @_Z13pass_unsignedhtjm.carbon_thunk(ptr %.loc9_21.3.temp, ptr %.loc9_24.3.temp, i32 3, i64 4), !dbg !29
+// CHECK:STDOUT:   call void @_Z13pass_unsignedhtjm.carbon_thunk(ptr @int_1.e80, ptr @int_2.fb2, i32 3, i64 4), !dbg !29
 // CHECK:STDOUT:   ret void, !dbg !30
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
diff --git a/toolchain/lower/testdata/interop/cpp/reference.carbon b/toolchain/lower/testdata/interop/cpp/reference.carbon
index 8006d2eac0aa..d6acd95c87b8 100644
--- a/toolchain/lower/testdata/interop/cpp/reference.carbon
+++ b/toolchain/lower/testdata/interop/cpp/reference.carbon
@@ -133,7 +133,8 @@ fn GetRefs() {
 // CHECK:STDOUT: target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
 // CHECK:STDOUT: target triple = "x86_64-unknown-linux-gnu"
 // CHECK:STDOUT:
-// CHECK:STDOUT: @C.val.loc19_20.1 = internal constant {} zeroinitializer
+// CHECK:STDOUT: @C.val = internal constant {} zeroinitializer
+// CHECK:STDOUT: @int_42.c68 = internal constant i32 42
 // CHECK:STDOUT:
 // CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress nounwind uwtable
 // CHECK:STDOUT: define dso_local void @_ZN1CC1Ev.carbon_thunk(ptr noundef %return) #0 {
@@ -204,15 +205,13 @@ fn GetRefs() {
 // CHECK:STDOUT:   call void @"_COp.9b0a46309e124f8a:DefaultOrUnformed.Core.93349b0fe912a29b"(ptr %c.var), !dbg !19
 // CHECK:STDOUT:   call void @_Z8TakeCRefR1C(ptr %c.var), !dbg !24
 // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc19_18.2.temp), !dbg !20
-// CHECK:STDOUT:   call void @llvm.memcpy.p0.p0.i64(ptr align 1 %.loc19_18.2.temp, ptr align 1 @C.val.loc19_20.1, i64 0, i1 false), !dbg !20
-// CHECK:STDOUT:   call void @_Z9TakeCRRefO1C.carbon_thunk(ptr %.loc19_18.2.temp), !dbg !25
+// CHECK:STDOUT:   call void @_Z9TakeCRRefO1C.carbon_thunk(ptr @C.val), !dbg !25
 // CHECK:STDOUT:   call void @_Z13TakeConstCRefRK1C.carbon_thunk(ptr %c.var), !dbg !26
 // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %n.var), !dbg !21
 // CHECK:STDOUT:   store i32 poison, ptr %n.var, align 4, !dbg !21
 // CHECK:STDOUT:   call void @_Z10TakeIntRefRi(ptr %n.var), !dbg !27
 // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc24_22.3.temp), !dbg !22
-// CHECK:STDOUT:   store i32 42, ptr %.loc24_22.3.temp, align 4, !dbg !22
-// CHECK:STDOUT:   call void @_Z11TakeIntRRefOi.carbon_thunk(ptr %.loc24_22.3.temp), !dbg !28
+// CHECK:STDOUT:   call void @_Z11TakeIntRRefOi.carbon_thunk(ptr @int_42.c68), !dbg !28
 // CHECK:STDOUT:   %.loc25_23.1 = load i32, ptr %n.var, align 4, !dbg !23
 // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc25_23.2.temp), !dbg !23
 // CHECK:STDOUT:   store i32 %.loc25_23.1, ptr %.loc25_23.2.temp, align 4, !dbg !23
@@ -240,9 +239,6 @@ fn GetRefs() {
 // CHECK:STDOUT:   ret void, !dbg !39
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
-// CHECK:STDOUT: ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
-// CHECK:STDOUT: declare void @llvm.memcpy.p0.p0.i64(ptr noalias writeonly captures(none), ptr noalias readonly captures(none), i64, i1 immarg) #6
-// CHECK:STDOUT:
 // CHECK:STDOUT: ; uselistorder directives
 // CHECK:STDOUT: uselistorder ptr @llvm.lifetime.start.p0, { 4, 3, 2, 1, 0 }
 // CHECK:STDOUT:
@@ -252,7 +248,6 @@ fn GetRefs() {
 // CHECK:STDOUT: attributes #3 = { nounwind }
 // CHECK:STDOUT: attributes #4 = { alwaysinline nounwind }
 // CHECK:STDOUT: attributes #5 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
-// CHECK:STDOUT: attributes #6 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
 // CHECK:STDOUT:
 // CHECK:STDOUT: !llvm.module.flags = !{!0, !1, !2, !3, !4}
 // CHECK:STDOUT: !llvm.dbg.cu = !{!5}
@@ -305,7 +300,8 @@ fn GetRefs() {
 // CHECK:STDOUT:
 // CHECK:STDOUT: %class.ForceThunk = type { i8 }
 // CHECK:STDOUT:
-// CHECK:STDOUT: @C.val.loc20_20.1 = internal constant {} zeroinitializer
+// CHECK:STDOUT: @C.val = internal constant {} zeroinitializer
+// CHECK:STDOUT: @int_42.c68 = internal constant i32 42
 // CHECK:STDOUT:
 // CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress nounwind uwtable
 // CHECK:STDOUT: define dso_local void @_ZN1CC1Ev.carbon_thunk(ptr noundef %return) #0 {
@@ -406,15 +402,13 @@ fn GetRefs() {
 // CHECK:STDOUT:   call void @"_COp.9b0a46309e124f8a:DefaultOrUnformed.Core.93349b0fe912a29b"(ptr %c.var), !dbg !21
 // CHECK:STDOUT:   call void @_Z8TakeCRefR1C10ForceThunk.carbon_thunk1(ptr %c.var), !dbg !26
 // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc20_18.2.temp), !dbg !22
-// CHECK:STDOUT:   call void @llvm.memcpy.p0.p0.i64(ptr align 1 %.loc20_18.2.temp, ptr align 1 @C.val.loc20_20.1, i64 0, i1 false), !dbg !22
-// CHECK:STDOUT:   call void @_Z9TakeCRRefRK1C10ForceThunk.carbon_thunk1(ptr %.loc20_18.2.temp), !dbg !27
+// CHECK:STDOUT:   call void @_Z9TakeCRRefRK1C10ForceThunk.carbon_thunk1(ptr @C.val), !dbg !27
 // CHECK:STDOUT:   call void @_Z13TakeConstCRefRK1C10ForceThunk.carbon_thunk1(ptr %c.var), !dbg !28
 // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %n.var), !dbg !23
 // CHECK:STDOUT:   store i32 poison, ptr %n.var, align 4, !dbg !23
 // CHECK:STDOUT:   call void @_Z10TakeIntRefRi10ForceThunk.carbon_thunk1(ptr %n.var), !dbg !29
 // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc25_22.3.temp), !dbg !24
-// CHECK:STDOUT:   store i32 42, ptr %.loc25_22.3.temp, align 4, !dbg !24
-// CHECK:STDOUT:   call void @_Z11TakeIntRRefOi10ForceThunk.carbon_thunk1(ptr %.loc25_22.3.temp), !dbg !30
+// CHECK:STDOUT:   call void @_Z11TakeIntRRefOi10ForceThunk.carbon_thunk1(ptr @int_42.c68), !dbg !30
 // CHECK:STDOUT:   %.loc26_23.1 = load i32, ptr %n.var, align 4, !dbg !25
 // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc26_23.2.temp), !dbg !25
 // CHECK:STDOUT:   store i32 %.loc26_23.1, ptr %.loc26_23.2.temp, align 4, !dbg !25
@@ -438,9 +432,6 @@ fn GetRefs() {
 // CHECK:STDOUT:   ret void, !dbg !41
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
-// CHECK:STDOUT: ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
-// CHECK:STDOUT: declare void @llvm.memcpy.p0.p0.i64(ptr noalias writeonly captures(none), ptr noalias readonly captures(none), i64, i1 immarg) #6
-// CHECK:STDOUT:
 // CHECK:STDOUT: ; uselistorder directives
 // CHECK:STDOUT: uselistorder ptr @llvm.lifetime.start.p0, { 4, 3, 2, 1, 0 }
 // CHECK:STDOUT:
@@ -450,7 +441,6 @@ fn GetRefs() {
 // CHECK:STDOUT: attributes #3 = { nounwind }
 // CHECK:STDOUT: attributes #4 = { alwaysinline nounwind }
 // CHECK:STDOUT: attributes #5 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
-// CHECK:STDOUT: attributes #6 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
 // CHECK:STDOUT:
 // CHECK:STDOUT: !llvm.module.flags = !{!0, !1, !2, !3, !4}
 // CHECK:STDOUT: !llvm.dbg.cu = !{!5}
diff --git a/toolchain/lower/testdata/interop/cpp/std_initializer_list.carbon b/toolchain/lower/testdata/interop/cpp/std_initializer_list.carbon
index 44218d06bace..f77de38d1987 100644
--- a/toolchain/lower/testdata/interop/cpp/std_initializer_list.carbon
+++ b/toolchain/lower/testdata/interop/cpp/std_initializer_list.carbon
@@ -124,7 +124,7 @@ fn InitNontrivialDtor() {
 // CHECK:STDOUT:
 // CHECK:STDOUT: $_ZN11vector_likeD2Ev = comdat any
 // CHECK:STDOUT:
-// CHECK:STDOUT: @array.loc13_50.13 = internal constant [3 x i32] [i32 1, i32 2, i32 3]
+// CHECK:STDOUT: @array = internal constant [3 x i32] [i32 1, i32 2, i32 3]
 // CHECK:STDOUT:
 // CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress uwtable
 // CHECK:STDOUT: define dso_local void @_ZN11vector_likeC1ESt16initializer_listIiE.carbon_thunk(ptr noundef %list, ptr noundef %return) #0 {
@@ -193,12 +193,10 @@ fn InitNontrivialDtor() {
 // CHECK:STDOUT:   %.loc13_50.4.array.index = getelementptr inbounds [3 x i32], ptr %.loc13_50.3.temp, i32 0, i64 0, !dbg !25
 // CHECK:STDOUT:   %.loc13_50.7.array.index = getelementptr inbounds [3 x i32], ptr %.loc13_50.3.temp, i32 0, i64 1, !dbg !25
 // CHECK:STDOUT:   %.loc13_50.10.array.index = getelementptr inbounds [3 x i32], ptr %.loc13_50.3.temp, i32 0, i64 2, !dbg !25
-// CHECK:STDOUT:   call void @llvm.memcpy.p0.p0.i64(ptr align 4 %.loc13_50.3.temp, ptr align 4 @array.loc13_50.13, i64 12, i1 false), !dbg !25
 // CHECK:STDOUT:   %initializer_list.initializer_list.call.init_list.begin = getelementptr inbounds nuw [16 x i8], ptr %_.var, i32 0, i32 0, !dbg !24
-// CHECK:STDOUT:   store ptr %.loc13_50.3.temp, ptr %initializer_list.initializer_list.call.init_list.begin, align 8, !dbg !24
+// CHECK:STDOUT:   store ptr @array, ptr %initializer_list.initializer_list.call.init_list.begin, align 8, !dbg !24
 // CHECK:STDOUT:   %initializer_list.initializer_list.call.init_list.end = getelementptr inbounds nuw [16 x i8], ptr %_.var, i32 0, i32 8, !dbg !24
-// CHECK:STDOUT:   %initializer_list.initializer_list.call.array.end = getelementptr inbounds [3 x i32], ptr %.loc13_50.3.temp, i32 1, !dbg !24
-// CHECK:STDOUT:   store ptr %initializer_list.initializer_list.call.array.end, ptr %initializer_list.initializer_list.call.init_list.end, align 8, !dbg !24
+// CHECK:STDOUT:   store ptr getelementptr inbounds ([3 x i32], ptr @array, i32 1), ptr %initializer_list.initializer_list.call.init_list.end, align 8, !dbg !24
 // CHECK:STDOUT:   call void @_CWithinLifetime.Main(), !dbg !26
 // CHECK:STDOUT:   ret void, !dbg !27
 // CHECK:STDOUT: }
@@ -215,12 +213,10 @@ fn InitNontrivialDtor() {
 // CHECK:STDOUT:   %.loc18_36.5.array.index = getelementptr inbounds [3 x i32], ptr %.loc18_36.4.temp, i32 0, i64 0, !dbg !30
 // CHECK:STDOUT:   %.loc18_36.8.array.index = getelementptr inbounds [3 x i32], ptr %.loc18_36.4.temp, i32 0, i64 1, !dbg !30
 // CHECK:STDOUT:   %.loc18_36.11.array.index = getelementptr inbounds [3 x i32], ptr %.loc18_36.4.temp, i32 0, i64 2, !dbg !30
-// CHECK:STDOUT:   call void @llvm.memcpy.p0.p0.i64(ptr align 4 %.loc18_36.4.temp, ptr align 4 @array.loc13_50.13, i64 12, i1 false), !dbg !30
 // CHECK:STDOUT:   %initializer_list.initializer_list.call.init_list.begin = getelementptr inbounds nuw [16 x i8], ptr %.loc18_36.2.temp, i32 0, i32 0, !dbg !30
-// CHECK:STDOUT:   store ptr %.loc18_36.4.temp, ptr %initializer_list.initializer_list.call.init_list.begin, align 8, !dbg !30
+// CHECK:STDOUT:   store ptr @array, ptr %initializer_list.initializer_list.call.init_list.begin, align 8, !dbg !30
 // CHECK:STDOUT:   %initializer_list.initializer_list.call.init_list.end = getelementptr inbounds nuw [16 x i8], ptr %.loc18_36.2.temp, i32 0, i32 8, !dbg !30
-// CHECK:STDOUT:   %initializer_list.initializer_list.call.array.end = getelementptr inbounds [3 x i32], ptr %.loc18_36.4.temp, i32 1, !dbg !30
-// CHECK:STDOUT:   store ptr %initializer_list.initializer_list.call.array.end, ptr %initializer_list.initializer_list.call.init_list.end, align 8, !dbg !30
+// CHECK:STDOUT:   store ptr getelementptr inbounds ([3 x i32], ptr @array, i32 1), ptr %initializer_list.initializer_list.call.init_list.end, align 8, !dbg !30
 // CHECK:STDOUT:   call void @_ZN11vector_likeC1ESt16initializer_listIiE.carbon_thunk(ptr %.loc18_36.2.temp, ptr %_.var), !dbg !29
 // CHECK:STDOUT:   call void @_CWithinLifetime.Main(), !dbg !31
 // CHECK:STDOUT:   call void @_ZN11vector_likeD2Ev(ptr %_.var), !dbg !29
@@ -325,7 +321,7 @@ fn InitNontrivialDtor() {
 // CHECK:STDOUT:
 // CHECK:STDOUT: $_ZN11vector_likeD2Ev = comdat any
 // CHECK:STDOUT:
-// CHECK:STDOUT: @array.loc13_50.13 = internal constant [3 x i32] [i32 1, i32 2, i32 3]
+// CHECK:STDOUT: @array = internal constant [3 x i32] [i32 1, i32 2, i32 3]
 // CHECK:STDOUT:
 // CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress uwtable
 // CHECK:STDOUT: define dso_local void @_ZN11vector_likeC1ESt16initializer_listIiE.carbon_thunk(ptr noundef %list, ptr noundef %return) #0 {
@@ -394,9 +390,8 @@ fn InitNontrivialDtor() {
 // CHECK:STDOUT:   %.loc13_50.4.array.index = getelementptr inbounds [3 x i32], ptr %.loc13_50.3.temp, i32 0, i64 0, !dbg !27
 // CHECK:STDOUT:   %.loc13_50.7.array.index = getelementptr inbounds [3 x i32], ptr %.loc13_50.3.temp, i32 0, i64 1, !dbg !27
 // CHECK:STDOUT:   %.loc13_50.10.array.index = getelementptr inbounds [3 x i32], ptr %.loc13_50.3.temp, i32 0, i64 2, !dbg !27
-// CHECK:STDOUT:   call void @llvm.memcpy.p0.p0.i64(ptr align 4 %.loc13_50.3.temp, ptr align 4 @array.loc13_50.13, i64 12, i1 false), !dbg !27
 // CHECK:STDOUT:   %initializer_list.initializer_list.call.init_list.begin = getelementptr inbounds nuw [16 x i8], ptr %_.var, i32 0, i32 0, !dbg !26
-// CHECK:STDOUT:   store ptr %.loc13_50.3.temp, ptr %initializer_list.initializer_list.call.init_list.begin, align 8, !dbg !26
+// CHECK:STDOUT:   store ptr @array, ptr %initializer_list.initializer_list.call.init_list.begin, align 8, !dbg !26
 // CHECK:STDOUT:   %initializer_list.initializer_list.call.init_list.size = getelementptr inbounds nuw [16 x i8], ptr %_.var, i32 0, i32 8, !dbg !26
 // CHECK:STDOUT:   store i64 3, ptr %initializer_list.initializer_list.call.init_list.size, align 8, !dbg !26
 // CHECK:STDOUT:   call void @_CWithinLifetime.Main(), !dbg !28
@@ -415,9 +410,8 @@ fn InitNontrivialDtor() {
 // CHECK:STDOUT:   %.loc18_36.5.array.index = getelementptr inbounds [3 x i32], ptr %.loc18_36.4.temp, i32 0, i64 0, !dbg !32
 // CHECK:STDOUT:   %.loc18_36.8.array.index = getelementptr inbounds [3 x i32], ptr %.loc18_36.4.temp, i32 0, i64 1, !dbg !32
 // CHECK:STDOUT:   %.loc18_36.11.array.index = getelementptr inbounds [3 x i32], ptr %.loc18_36.4.temp, i32 0, i64 2, !dbg !32
-// CHECK:STDOUT:   call void @llvm.memcpy.p0.p0.i64(ptr align 4 %.loc18_36.4.temp, ptr align 4 @array.loc13_50.13, i64 12, i1 false), !dbg !32
 // CHECK:STDOUT:   %initializer_list.initializer_list.call.init_list.begin = getelementptr inbounds nuw [16 x i8], ptr %.loc18_36.2.temp, i32 0, i32 0, !dbg !32
-// CHECK:STDOUT:   store ptr %.loc18_36.4.temp, ptr %initializer_list.initializer_list.call.init_list.begin, align 8, !dbg !32
+// CHECK:STDOUT:   store ptr @array, ptr %initializer_list.initializer_list.call.init_list.begin, align 8, !dbg !32
 // CHECK:STDOUT:   %initializer_list.initializer_list.call.init_list.size = getelementptr inbounds nuw [16 x i8], ptr %.loc18_36.2.temp, i32 0, i32 8, !dbg !32
 // CHECK:STDOUT:   store i64 3, ptr %initializer_list.initializer_list.call.init_list.size, align 8, !dbg !32
 // CHECK:STDOUT:   call void @_ZN11vector_likeC1ESt16initializer_listIiE.carbon_thunk(ptr %.loc18_36.2.temp, ptr %_.var), !dbg !31
diff --git a/toolchain/lower/testdata/interop/cpp/template.carbon b/toolchain/lower/testdata/interop/cpp/template.carbon
index 7b56cb48558a..b3d713db6e64 100644
--- a/toolchain/lower/testdata/interop/cpp/template.carbon
+++ b/toolchain/lower/testdata/interop/cpp/template.carbon
@@ -263,7 +263,7 @@ fn Call3() {
 // CHECK:STDOUT:
 // CHECK:STDOUT: %class.X = type { i8 }
 // CHECK:STDOUT:
-// CHECK:STDOUT: @X.val.loc12_14.1 = internal constant {} zeroinitializer
+// CHECK:STDOUT: @X.val = internal constant {} zeroinitializer
 // CHECK:STDOUT:
 // CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress uwtable
 // CHECK:STDOUT: define dso_local void @_Z3fooIJEEv1XDpT_.carbon_thunk(ptr noundef %0) #0 {
@@ -318,8 +318,7 @@ fn Call3() {
 // CHECK:STDOUT: entry:
 // CHECK:STDOUT:   %.loc12_12.2.temp = alloca {}, align 8, !dbg !17
 // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc12_12.2.temp), !dbg !17
-// CHECK:STDOUT:   call void @llvm.memcpy.p0.p0.i64(ptr align 1 %.loc12_12.2.temp, ptr align 1 @X.val.loc12_14.1, i64 0, i1 false), !dbg !17
-// CHECK:STDOUT:   call void @_Z3fooIJEEv1XDpT_.carbon_thunk(ptr %.loc12_12.2.temp), !dbg !18
+// CHECK:STDOUT:   call void @_Z3fooIJEEv1XDpT_.carbon_thunk(ptr @X.val), !dbg !18
 // CHECK:STDOUT:   ret void, !dbg !19
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -328,8 +327,7 @@ fn Call3() {
 // CHECK:STDOUT: entry:
 // CHECK:STDOUT:   %.loc18_12.2.temp = alloca {}, align 8, !dbg !21
 // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc18_12.2.temp), !dbg !21
-// CHECK:STDOUT:   call void @llvm.memcpy.p0.p0.i64(ptr align 1 %.loc18_12.2.temp, ptr align 1 @X.val.loc12_14.1, i64 0, i1 false), !dbg !21
-// CHECK:STDOUT:   call void @_Z3fooIJiEEv1XDpT_.carbon_thunk(ptr %.loc18_12.2.temp, i32 2), !dbg !22
+// CHECK:STDOUT:   call void @_Z3fooIJiEEv1XDpT_.carbon_thunk(ptr @X.val, i32 2), !dbg !22
 // CHECK:STDOUT:   ret void, !dbg !23
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
@@ -338,26 +336,20 @@ fn Call3() {
 // CHECK:STDOUT: entry:
 // CHECK:STDOUT:   %.loc24_12.2.temp = alloca {}, align 8, !dbg !25
 // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc24_12.2.temp), !dbg !25
-// CHECK:STDOUT:   call void @llvm.memcpy.p0.p0.i64(ptr align 1 %.loc24_12.2.temp, ptr align 1 @X.val.loc12_14.1, i64 0, i1 false), !dbg !25
-// CHECK:STDOUT:   call void @_Z3fooIJiiEEv1XDpT_.carbon_thunk(ptr %.loc24_12.2.temp, i32 2, i32 3), !dbg !26
+// CHECK:STDOUT:   call void @_Z3fooIJiiEEv1XDpT_.carbon_thunk(ptr @X.val, i32 2, i32 3), !dbg !26
 // CHECK:STDOUT:   ret void, !dbg !27
 // CHECK:STDOUT: }
 // CHECK:STDOUT:
 // CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
 // CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #3
 // CHECK:STDOUT:
-// CHECK:STDOUT: ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
-// CHECK:STDOUT: declare void @llvm.memcpy.p0.p0.i64(ptr noalias writeonly captures(none), ptr noalias readonly captures(none), i64, i1 immarg) #4
-// CHECK:STDOUT:
 // CHECK:STDOUT: ; uselistorder directives
 // CHECK:STDOUT: uselistorder ptr @llvm.lifetime.start.p0, { 2, 1, 0 }
-// CHECK:STDOUT: uselistorder ptr @llvm.memcpy.p0.p0.i64, { 2, 1, 0 }
 // CHECK:STDOUT:
 // CHECK:STDOUT: attributes #0 = { alwaysinline mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
 // CHECK:STDOUT: attributes #1 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
 // CHECK:STDOUT: attributes #2 = { nounwind }
 // CHECK:STDOUT: attributes #3 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
-// CHECK:STDOUT: attributes #4 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
 // CHECK:STDOUT:
 // CHECK:STDOUT: !llvm.module.flags = !{!0, !1, !2, !3, !4}
 // CHECK:STDOUT: !llvm.dbg.cu = !{!5}
diff --git a/toolchain/sem_ir/typed_insts.h b/toolchain/sem_ir/typed_insts.h
index 74f7bc860675..d704e51f3618 100644
--- a/toolchain/sem_ir/typed_insts.h
+++ b/toolchain/sem_ir/typed_insts.h
@@ -1910,6 +1910,7 @@ struct Temporary {
   static constexpr auto Kind = InstKind::Temporary.Define<Parse::NodeId>(
       {.ir_name = "temporary",
        .expr_category = ExprCategory::EphemeralRef,
+       .constant_kind = InstConstantKind::Conditional,
        .has_cleanup = true});
 
   TypeId type_id;