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Support Temporary constants (#6983)

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Evaluate `Temporary` constants to a `Temporary` with the `storage` field
set to `None`.
This commit is contained in:
Nicholas Bishop
2026-03-30 19:07:46 +00:00
committed by GitHub
parent 9ed045ec25
commit bf6a14ac39
64 changed files with 462 additions and 721 deletions
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toolchain/check/testdata/interop/cpp/function/default_arg.carbon
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+21 -35
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@@ -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: