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Improve CanDestroyType to handle remaining cases (#6943)

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This is only fixing the decision about *whether* to produce a witness.
Implementation of the witness is still a TODO, though where a body is
generated, it should also precisely reflect where one _needs_ to be
generated.

Note the tests:

- toolchain/lower/testdata/function/generic/import_core_witness.carbon
- toolchain/lower/testdata/function/generic/import_unused_def.carbon

These tests can probably be produced _without_ Core.Destroy, but I found
the essence of them while trying to build //examples with Core.Destroy
and a simpler minimization wasn't striking me.

Assisted-by: Google Antigravity with Gemini

---------

Co-authored-by: jonmeow <jperkins@google.com>
This commit is contained in:
Jon Ross-Perkins
2026-04-02 22:54:58 +00:00
committed by GitHub
co-authored by jonmeow
parent 1fa7a64cd4
commit 9266ced4e3
212 changed files with 11376 additions and 4978 deletions
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toolchain/check/testdata/interop/cpp/function/pointer.carbon
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+146 -41
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@@ -500,8 +500,8 @@ fn F() {
// CHECK:STDOUT: %foo.cpp_overload_set.value: %foo.cpp_overload_set.type = cpp_overload_set_value @foo.cpp_overload_set [concrete]
// CHECK:STDOUT: %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT: %foo: %foo.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: %Destroy.Op.type.bae255.2: type = fn_type @Destroy.Op.loc10_3.2 [concrete]
// CHECK:STDOUT: %Destroy.Op.651ba6.2: %Destroy.Op.type.bae255.2 = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
@@ -543,12 +543,17 @@ fn F() {
// CHECK:STDOUT: %.loc11_11.2: ref %ptr = converted %p.ref, %.loc11_11.1
// CHECK:STDOUT: %.loc11_11.3: %ptr = acquire_value %.loc11_11.2
// CHECK:STDOUT: %foo.call: init %empty_tuple.type = call imports.%foo.decl(%.loc11_11.3)
// CHECK:STDOUT: %Destroy.Op.bound: <bound method> = bound_method %p.var, constants.%Destroy.Op
// CHECK:STDOUT: %Destroy.Op.bound: <bound method> = bound_method %p.var, constants.%Destroy.Op.651ba6.2
// CHECK:STDOUT: %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%p.var)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op(%self.param: ref %const) = "no_op";
// CHECK:STDOUT: fn @Destroy.Op.loc10_3.1(%self.param: ref %ptr) = "no_op";
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc10_3.2(%self.param: ref %const) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_double_non_nullable_pointer_param.carbon
// CHECK:STDOUT:
@@ -709,7 +714,10 @@ fn F() {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op(%self.param: ref %const) = "no_op";
// CHECK:STDOUT: fn @Destroy.Op(%self.param: ref %const) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_non_nullable_pointer_to_const_param_using_non_const.carbon
// CHECK:STDOUT:
@@ -787,8 +795,8 @@ fn F() {
// CHECK:STDOUT: %foo.cpp_overload_set.value: %foo.cpp_overload_set.type = cpp_overload_set_value @foo.cpp_overload_set [concrete]
// CHECK:STDOUT: %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT: %foo: %foo.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: %Destroy.Op.type.bae255.2: type = fn_type @Destroy.Op.loc10_3.2 [concrete]
// CHECK:STDOUT: %Destroy.Op.651ba6.2: %Destroy.Op.type.bae255.2 = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
@@ -830,12 +838,17 @@ fn F() {
// CHECK:STDOUT: %.loc11_11.2: ref %ptr = converted %p.ref, %.loc11_11.1
// CHECK:STDOUT: %.loc11_11.3: %ptr = acquire_value %.loc11_11.2
// CHECK:STDOUT: %foo.call: init %empty_tuple.type = call imports.%foo.decl(%.loc11_11.3)
// CHECK:STDOUT: %Destroy.Op.bound: <bound method> = bound_method %p.var, constants.%Destroy.Op
// CHECK:STDOUT: %Destroy.Op.bound: <bound method> = bound_method %p.var, constants.%Destroy.Op.651ba6.2
// CHECK:STDOUT: %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%p.var)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op(%self.param: ref %const) = "no_op";
// CHECK:STDOUT: fn @Destroy.Op.loc10_3.1(%self.param: ref %ptr) = "no_op";
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc10_3.2(%self.param: ref %const) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_const_non_nullable_pointer_param_using_non_const.carbon
// CHECK:STDOUT:
@@ -919,6 +932,11 @@ fn F() {
// CHECK:STDOUT: %MaybeUnformed.2e9: type = class_type @MaybeUnformed, @MaybeUnformed(%Destroy.facet.617) [symbolic]
// CHECK:STDOUT: %ptr.as.OptionalStorage.impl.Some.type.c7a: type = fn_type @ptr.as.OptionalStorage.impl.Some, @ptr.as.OptionalStorage.impl(%T.67d) [symbolic]
// CHECK:STDOUT: %ptr.as.OptionalStorage.impl.Some.38a: %ptr.as.OptionalStorage.impl.Some.type.c7a = struct_value () [symbolic]
// CHECK:STDOUT: %Destroy.Op.type.bae255.1: type = fn_type @Destroy.Op.1 [concrete]
// CHECK:STDOUT: %Destroy.Op.651ba6.1: %Destroy.Op.type.bae255.1 = struct_value () [concrete]
// CHECK:STDOUT: %custom_witness.8d7fae.1: <witness> = custom_witness (%Destroy.Op.651ba6.1), @Destroy [concrete]
// CHECK:STDOUT: %Destroy.facet.021: %Destroy.type = facet_value %ptr.5c7, (%custom_witness.8d7fae.1) [concrete]
// CHECK:STDOUT: %MaybeUnformed.74a: type = class_type @MaybeUnformed, @MaybeUnformed(%Destroy.facet.021) [concrete]
// CHECK:STDOUT: %OptionalStorage.impl_witness.ba1: <witness> = impl_witness imports.%OptionalStorage.impl_witness_table.bee, @ptr.as.OptionalStorage.impl(%S) [concrete]
// CHECK:STDOUT: %OptionalStorage.facet.872: %OptionalStorage.type = facet_value %ptr.5c7, (%OptionalStorage.impl_witness.ba1) [concrete]
// CHECK:STDOUT: %Optional.065: type = class_type @Optional, @Optional(%OptionalStorage.facet.872) [concrete]
@@ -947,10 +965,10 @@ fn F() {
// CHECK:STDOUT: %ImplicitAs.WithSelf.Convert.type.05e: type = fn_type @ImplicitAs.WithSelf.Convert, @ImplicitAs.WithSelf(%Optional.065, %ImplicitAs.facet.1bd) [concrete]
// CHECK:STDOUT: %.b4e: type = fn_type_with_self_type %ImplicitAs.WithSelf.Convert.type.05e, %ImplicitAs.facet.1bd [concrete]
// CHECK:STDOUT: %const.as.ImplicitAs.impl.Convert.specific_fn: <specific function> = specific_function %const.as.ImplicitAs.impl.Convert.af2, @const.as.ImplicitAs.impl.Convert(%Optional.065, %ImplicitAs.facet.77f) [concrete]
// CHECK:STDOUT: %Destroy.Op.type.bae255.2: type = fn_type @Destroy.Op.loc11 [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.loc10 [concrete]
// CHECK:STDOUT: %Destroy.Op.type.bae255.3: type = fn_type @Destroy.Op.loc11_11.2 [concrete]
// CHECK:STDOUT: %Destroy.Op.651ba6.3: %Destroy.Op.type.bae255.3 = struct_value () [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: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
@@ -1017,16 +1035,27 @@ fn F() {
// CHECK:STDOUT: %.loc11_11.4: ref %Optional.065 = temporary %.loc11_11.3, %.loc11_11.2
// CHECK:STDOUT: %.loc11_11.5: %Optional.065 = acquire_value %.loc11_11.4
// CHECK:STDOUT: %foo.call: init %empty_tuple.type = call imports.%foo.decl(%.loc11_11.5)
// CHECK:STDOUT: %Destroy.Op.bound.loc11: <bound method> = bound_method %.loc11_11.4, constants.%Destroy.Op.651ba6.2
// CHECK:STDOUT: %Destroy.Op.bound.loc11: <bound method> = bound_method %.loc11_11.4, constants.%Destroy.Op.651ba6.3
// CHECK:STDOUT: %Destroy.Op.call.loc11: init %empty_tuple.type = call %Destroy.Op.bound.loc11(%.loc11_11.4)
// CHECK:STDOUT: %Destroy.Op.bound.loc10: <bound method> = bound_method %p.var, constants.%Destroy.Op.651ba6.3
// CHECK:STDOUT: %Destroy.Op.bound.loc10: <bound method> = bound_method %p.var, constants.%Destroy.Op.651ba6.4
// CHECK:STDOUT: %Destroy.Op.call.loc10: init %empty_tuple.type = call %Destroy.Op.bound.loc10(%p.var)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc11(%self.param: ref %Optional.065) = "no_op";
// CHECK:STDOUT: fn @Destroy.Op.loc11_11.1(%self.param: ref %MaybeUnformed.74a) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc10(%self.param: ref %const.b9a) = "no_op";
// CHECK:STDOUT: fn @Destroy.Op.loc11_11.2(%self.param: ref %Optional.065) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc10(%self.param: ref %const.b9a) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_const_nullable_pointer_param_using_non_const.carbon
// CHECK:STDOUT:
@@ -1051,6 +1080,9 @@ fn F() {
// CHECK:STDOUT: %ptr.as.OptionalStorage.impl.Some.38a: %ptr.as.OptionalStorage.impl.Some.type.c7a = struct_value () [symbolic]
// CHECK:STDOUT: %Destroy.Op.type.bae255.1: type = fn_type @Destroy.Op.1 [concrete]
// CHECK:STDOUT: %Destroy.Op.651ba6.1: %Destroy.Op.type.bae255.1 = struct_value () [concrete]
// CHECK:STDOUT: %custom_witness.8d7fae.1: <witness> = custom_witness (%Destroy.Op.651ba6.1), @Destroy [concrete]
// CHECK:STDOUT: %Destroy.facet.021: %Destroy.type = facet_value %ptr.5c7, (%custom_witness.8d7fae.1) [concrete]
// CHECK:STDOUT: %MaybeUnformed.74a: type = class_type @MaybeUnformed, @MaybeUnformed(%Destroy.facet.021) [concrete]
// CHECK:STDOUT: %OptionalStorage.impl_witness.ba1: <witness> = impl_witness imports.%OptionalStorage.impl_witness_table.bee, @ptr.as.OptionalStorage.impl(%S) [concrete]
// CHECK:STDOUT: %OptionalStorage.facet.872: %OptionalStorage.type = facet_value %ptr.5c7, (%OptionalStorage.impl_witness.ba1) [concrete]
// CHECK:STDOUT: %Optional.065: type = class_type @Optional, @Optional(%OptionalStorage.facet.872) [concrete]
@@ -1073,8 +1105,8 @@ fn F() {
// CHECK:STDOUT: %ImplicitAs.WithSelf.Convert.type.0a72: type = fn_type @ImplicitAs.WithSelf.Convert, @ImplicitAs.WithSelf(%Optional.065, %ImplicitAs.facet.77f) [concrete]
// CHECK:STDOUT: %.9b3: type = fn_type_with_self_type %ImplicitAs.WithSelf.Convert.type.0a72, %ImplicitAs.facet.77f [concrete]
// CHECK:STDOUT: %U.binding.as_type.as.ImplicitAs.impl.Convert.specific_fn: <specific function> = specific_function %U.binding.as_type.as.ImplicitAs.impl.Convert.bd4, @U.binding.as_type.as.ImplicitAs.impl.Convert.2(%OptionalStorage.facet.872, %OptionalAs.facet) [concrete]
// CHECK:STDOUT: %Destroy.Op.type.bae255.2: type = fn_type @Destroy.Op.loc11 [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.loc11_11.2 [concrete]
// CHECK:STDOUT: %Destroy.Op.651ba6.3: %Destroy.Op.type.bae255.3 = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
@@ -1138,14 +1170,22 @@ fn F() {
// CHECK:STDOUT: %.loc11_11.4: ref %Optional.065 = temporary %.loc11_11.3, %.loc11_11.2
// CHECK:STDOUT: %.loc11_11.5: %Optional.065 = acquire_value %.loc11_11.4
// CHECK:STDOUT: %foo.call: init %empty_tuple.type = call imports.%foo.decl(%.loc11_11.5)
// CHECK:STDOUT: %Destroy.Op.bound.loc11: <bound method> = bound_method %.loc11_11.4, constants.%Destroy.Op.651ba6.2
// CHECK:STDOUT: %Destroy.Op.bound.loc11: <bound method> = bound_method %.loc11_11.4, constants.%Destroy.Op.651ba6.3
// CHECK:STDOUT: %Destroy.Op.call.loc11: init %empty_tuple.type = call %Destroy.Op.bound.loc11(%.loc11_11.4)
// CHECK:STDOUT: %Destroy.Op.bound.loc10: <bound method> = bound_method %p.var, constants.%Destroy.Op.651ba6.1
// CHECK:STDOUT: %Destroy.Op.call.loc10: init %empty_tuple.type = call %Destroy.Op.bound.loc10(%p.var)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc11(%self.param: ref %Optional.065) = "no_op";
// CHECK:STDOUT: fn @Destroy.Op.loc11_11.1(%self.param: ref %MaybeUnformed.74a) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc11_11.2(%self.param: ref %Optional.065) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_non_nullable_pointer_return.carbon
// CHECK:STDOUT:
@@ -1303,6 +1343,11 @@ fn F() {
// CHECK:STDOUT: %MaybeUnformed.2e9: type = class_type @MaybeUnformed, @MaybeUnformed(%Destroy.facet.617) [symbolic]
// CHECK:STDOUT: %ptr.as.OptionalStorage.impl.Some.type.c7a: type = fn_type @ptr.as.OptionalStorage.impl.Some, @ptr.as.OptionalStorage.impl(%T.67d) [symbolic]
// CHECK:STDOUT: %ptr.as.OptionalStorage.impl.Some.38a: %ptr.as.OptionalStorage.impl.Some.type.c7a = struct_value () [symbolic]
// CHECK:STDOUT: %Destroy.Op.type.bae255.1: type = fn_type @Destroy.Op.1 [concrete]
// CHECK:STDOUT: %Destroy.Op.651ba6.1: %Destroy.Op.type.bae255.1 = struct_value () [concrete]
// CHECK:STDOUT: %custom_witness.8d7fae.1: <witness> = custom_witness (%Destroy.Op.651ba6.1), @Destroy [concrete]
// CHECK:STDOUT: %Destroy.facet.021: %Destroy.type = facet_value %ptr.5c7, (%custom_witness.8d7fae.1) [concrete]
// CHECK:STDOUT: %MaybeUnformed.74a: type = class_type @MaybeUnformed, @MaybeUnformed(%Destroy.facet.021) [concrete]
// CHECK:STDOUT: %OptionalStorage.impl_witness.ba1: <witness> = impl_witness imports.%OptionalStorage.impl_witness_table.bee, @ptr.as.OptionalStorage.impl(%S) [concrete]
// CHECK:STDOUT: %OptionalStorage.facet.872: %OptionalStorage.type = facet_value %ptr.5c7, (%OptionalStorage.impl_witness.ba1) [concrete]
// CHECK:STDOUT: %Optional.065: type = class_type @Optional, @Optional(%OptionalStorage.facet.872) [concrete]
@@ -1325,8 +1370,8 @@ fn F() {
// CHECK:STDOUT: %ImplicitAs.WithSelf.Convert.type.0a72: type = fn_type @ImplicitAs.WithSelf.Convert, @ImplicitAs.WithSelf(%Optional.065, %ImplicitAs.facet.77f) [concrete]
// CHECK:STDOUT: %.9b3: type = fn_type_with_self_type %ImplicitAs.WithSelf.Convert.type.0a72, %ImplicitAs.facet.77f [concrete]
// CHECK:STDOUT: %U.binding.as_type.as.ImplicitAs.impl.Convert.specific_fn: <specific function> = specific_function %U.binding.as_type.as.ImplicitAs.impl.Convert.bd4, @U.binding.as_type.as.ImplicitAs.impl.Convert.2(%OptionalStorage.facet.872, %OptionalAs.facet) [concrete]
// CHECK:STDOUT: %Destroy.Op.type.bae255.2: type = fn_type @Destroy.Op.loc9 [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.loc9_11.2 [concrete]
// CHECK:STDOUT: %Destroy.Op.651ba6.3: %Destroy.Op.type.bae255.3 = 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: }
@@ -1392,14 +1437,22 @@ fn F() {
// CHECK:STDOUT: %.loc9_11.3: ref %Optional.065 = temporary %.loc9_11.2, %.loc9_11.1
// CHECK:STDOUT: %.loc9_11.4: %Optional.065 = acquire_value %.loc9_11.3
// CHECK:STDOUT: %foo.call: init %empty_tuple.type = call imports.%foo.decl(%.loc9_11.4)
// CHECK:STDOUT: %Destroy.Op.bound: <bound method> = bound_method %.loc9_11.3, constants.%Destroy.Op.651ba6.2
// CHECK:STDOUT: %Destroy.Op.bound: <bound method> = bound_method %.loc9_11.3, constants.%Destroy.Op.651ba6.3
// CHECK:STDOUT: %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc9_11.3)
// 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:
// CHECK:STDOUT: fn @Destroy.Op.loc9(%self.param: ref %Optional.065) = "no_op";
// CHECK:STDOUT: fn @Destroy.Op.loc9_11.1(%self.param: ref %MaybeUnformed.74a) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc9_11.2(%self.param: ref %Optional.065) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- null_pointer_arg_to_pointer_param.carbon
// CHECK:STDOUT:
@@ -1423,6 +1476,11 @@ fn F() {
// CHECK:STDOUT: %MaybeUnformed.2e9: type = class_type @MaybeUnformed, @MaybeUnformed(%Destroy.facet.617) [symbolic]
// CHECK:STDOUT: %ptr.as.OptionalStorage.impl.None.type.03c: type = fn_type @ptr.as.OptionalStorage.impl.None, @ptr.as.OptionalStorage.impl(%T.67d) [symbolic]
// CHECK:STDOUT: %ptr.as.OptionalStorage.impl.None.f37: %ptr.as.OptionalStorage.impl.None.type.03c = struct_value () [symbolic]
// CHECK:STDOUT: %Destroy.Op.type.bae255.1: type = fn_type @Destroy.Op.1 [concrete]
// CHECK:STDOUT: %Destroy.Op.651ba6.1: %Destroy.Op.type.bae255.1 = struct_value () [concrete]
// CHECK:STDOUT: %custom_witness.8d7fae.1: <witness> = custom_witness (%Destroy.Op.651ba6.1), @Destroy [concrete]
// CHECK:STDOUT: %Destroy.facet.021: %Destroy.type = facet_value %ptr.5c7, (%custom_witness.8d7fae.1) [concrete]
// CHECK:STDOUT: %MaybeUnformed.74a: type = class_type @MaybeUnformed, @MaybeUnformed(%Destroy.facet.021) [concrete]
// CHECK:STDOUT: %OptionalStorage.impl_witness.a7b: <witness> = impl_witness imports.%OptionalStorage.impl_witness_table.75b, @ptr.as.OptionalStorage.impl(%S) [concrete]
// CHECK:STDOUT: %OptionalStorage.facet: %OptionalStorage.type = facet_value %ptr.5c7, (%OptionalStorage.impl_witness.a7b) [concrete]
// CHECK:STDOUT: %Optional.7f5: type = class_type @Optional, @Optional(%OptionalStorage.facet) [concrete]
@@ -1431,8 +1489,8 @@ fn F() {
// CHECK:STDOUT: %Optional.None.specific_fn: <specific function> = specific_function %Optional.None.c13, @Optional.None(%OptionalStorage.facet) [concrete]
// CHECK:STDOUT: %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT: %foo: %foo.type = struct_value () [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: %Destroy.Op.type.bae255.3: type = fn_type @Destroy.Op.loc8_38.2 [concrete]
// CHECK:STDOUT: %Destroy.Op.651ba6.3: %Destroy.Op.type.bae255.3 = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
@@ -1491,12 +1549,20 @@ fn F() {
// CHECK:STDOUT: %.loc8_38.2: ref %Optional.7f5 = temporary %.loc8_38.1, %Optional.None.call
// CHECK:STDOUT: %.loc8_38.3: %Optional.7f5 = acquire_value %.loc8_38.2
// CHECK:STDOUT: %foo.call: init %empty_tuple.type = call imports.%foo.decl(%.loc8_38.3)
// CHECK:STDOUT: %Destroy.Op.bound: <bound method> = bound_method %.loc8_38.2, constants.%Destroy.Op.651ba6.2
// CHECK:STDOUT: %Destroy.Op.bound: <bound method> = bound_method %.loc8_38.2, constants.%Destroy.Op.651ba6.3
// CHECK:STDOUT: %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc8_38.2)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc8(%self.param: ref %Optional.7f5) = "no_op";
// CHECK:STDOUT: fn @Destroy.Op.loc8_38.1(%self.param: ref %MaybeUnformed.74a) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc8_38.2(%self.param: ref %Optional.7f5) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- nonnull_pointer_arg_to_pointer_param.carbon
// CHECK:STDOUT:
@@ -1524,6 +1590,11 @@ fn F() {
// CHECK:STDOUT: %MaybeUnformed.2e9: type = class_type @MaybeUnformed, @MaybeUnformed(%Destroy.facet.617) [symbolic]
// CHECK:STDOUT: %ptr.as.OptionalStorage.impl.Some.type.c7a: type = fn_type @ptr.as.OptionalStorage.impl.Some, @ptr.as.OptionalStorage.impl(%T.67d) [symbolic]
// CHECK:STDOUT: %ptr.as.OptionalStorage.impl.Some.38a: %ptr.as.OptionalStorage.impl.Some.type.c7a = struct_value () [symbolic]
// CHECK:STDOUT: %Destroy.Op.type.bae255.1: type = fn_type @Destroy.Op.1 [concrete]
// CHECK:STDOUT: %Destroy.Op.651ba6.1: %Destroy.Op.type.bae255.1 = struct_value () [concrete]
// CHECK:STDOUT: %custom_witness.8d7fae.1: <witness> = custom_witness (%Destroy.Op.651ba6.1), @Destroy [concrete]
// CHECK:STDOUT: %Destroy.facet.021: %Destroy.type = facet_value %ptr.5c7, (%custom_witness.8d7fae.1) [concrete]
// CHECK:STDOUT: %MaybeUnformed.74a: type = class_type @MaybeUnformed, @MaybeUnformed(%Destroy.facet.021) [concrete]
// CHECK:STDOUT: %OptionalStorage.impl_witness.ba1: <witness> = impl_witness imports.%OptionalStorage.impl_witness_table.bee, @ptr.as.OptionalStorage.impl(%S) [concrete]
// CHECK:STDOUT: %OptionalStorage.facet: %OptionalStorage.type = facet_value %ptr.5c7, (%OptionalStorage.impl_witness.ba1) [concrete]
// CHECK:STDOUT: %Optional.065: type = class_type @Optional, @Optional(%OptionalStorage.facet) [concrete]
@@ -1532,8 +1603,8 @@ fn F() {
// CHECK:STDOUT: %Optional.Some.specific_fn: <specific function> = specific_function %Optional.Some.16d, @Optional.Some(%OptionalStorage.facet) [concrete]
// CHECK:STDOUT: %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT: %foo: %foo.type = struct_value () [concrete]
// CHECK:STDOUT: %Destroy.Op.type.bae255.2: type = fn_type @Destroy.Op.loc9 [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.loc9_40.2 [concrete]
// CHECK:STDOUT: %Destroy.Op.651ba6.3: %Destroy.Op.type.bae255.3 = 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: }
@@ -1612,14 +1683,22 @@ fn F() {
// CHECK:STDOUT: %.loc9_40.3: ref %Optional.065 = temporary %.loc9_40.2, %Optional.Some.call
// CHECK:STDOUT: %.loc9_40.4: %Optional.065 = acquire_value %.loc9_40.3
// CHECK:STDOUT: %foo.call: init %empty_tuple.type = call imports.%foo.decl(%.loc9_40.4)
// CHECK:STDOUT: %Destroy.Op.bound: <bound method> = bound_method %.loc9_40.3, constants.%Destroy.Op.651ba6.2
// CHECK:STDOUT: %Destroy.Op.bound: <bound method> = bound_method %.loc9_40.3, constants.%Destroy.Op.651ba6.3
// CHECK:STDOUT: %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc9_40.3)
// 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:
// CHECK:STDOUT: fn @Destroy.Op.loc9(%self.param: ref %Optional.065) = "no_op";
// CHECK:STDOUT: fn @Destroy.Op.loc9_40.1(%self.param: ref %MaybeUnformed.74a) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc9_40.2(%self.param: ref %Optional.065) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- forward_nullable_pointer.carbon
// CHECK:STDOUT:
@@ -1638,6 +1717,11 @@ fn F() {
// CHECK:STDOUT: %Destroy.lookup_impl_witness.e1f: <witness> = lookup_impl_witness %ptr.e8f, @Destroy [symbolic]
// CHECK:STDOUT: %Destroy.facet.617: %Destroy.type = facet_value %ptr.e8f, (%Destroy.lookup_impl_witness.e1f) [symbolic]
// CHECK:STDOUT: %MaybeUnformed.2e9: type = class_type @MaybeUnformed, @MaybeUnformed(%Destroy.facet.617) [symbolic]
// CHECK:STDOUT: %Destroy.Op.type.bae255.1: type = fn_type @Destroy.Op.1 [concrete]
// CHECK:STDOUT: %Destroy.Op.651ba6.1: %Destroy.Op.type.bae255.1 = struct_value () [concrete]
// CHECK:STDOUT: %custom_witness.8d7fae.1: <witness> = custom_witness (%Destroy.Op.651ba6.1), @Destroy [concrete]
// CHECK:STDOUT: %Destroy.facet.021: %Destroy.type = facet_value %ptr.5c7, (%custom_witness.8d7fae.1) [concrete]
// CHECK:STDOUT: %MaybeUnformed.74a: type = class_type @MaybeUnformed, @MaybeUnformed(%Destroy.facet.021) [concrete]
// CHECK:STDOUT: %OptionalStorage.impl_witness.723: <witness> = impl_witness imports.%OptionalStorage.impl_witness_table.d23, @ptr.as.OptionalStorage.impl(%S) [concrete]
// CHECK:STDOUT: %OptionalStorage.facet: %OptionalStorage.type = facet_value %ptr.5c7, (%OptionalStorage.impl_witness.723) [concrete]
// CHECK:STDOUT: %Optional.ece: type = class_type @Optional, @Optional(%OptionalStorage.facet) [concrete]
@@ -1645,8 +1729,8 @@ fn F() {
// CHECK:STDOUT: %get: %get.type = struct_value () [concrete]
// CHECK:STDOUT: %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT: %foo: %foo.type = struct_value () [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: %Destroy.Op.type.bae255.3: type = fn_type @Destroy.Op.loc8_19.2 [concrete]
// CHECK:STDOUT: %Destroy.Op.651ba6.3: %Destroy.Op.type.bae255.3 = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
@@ -1695,12 +1779,20 @@ fn F() {
// CHECK:STDOUT: %.loc8_19.2: ref %Optional.ece = temporary %.loc8_19.1, %get.call
// CHECK:STDOUT: %.loc8_19.3: %Optional.ece = acquire_value %.loc8_19.2
// CHECK:STDOUT: %foo.call: init %empty_tuple.type = call imports.%foo.decl(%.loc8_19.3)
// CHECK:STDOUT: %Destroy.Op.bound: <bound method> = bound_method %.loc8_19.2, constants.%Destroy.Op.651ba6.2
// CHECK:STDOUT: %Destroy.Op.bound: <bound method> = bound_method %.loc8_19.2, constants.%Destroy.Op.651ba6.3
// CHECK:STDOUT: %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc8_19.2)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc8(%self.param: ref %Optional.ece) = "no_op";
// CHECK:STDOUT: fn @Destroy.Op.loc8_19.1(%self.param: ref %MaybeUnformed.74a) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc8_19.2(%self.param: ref %Optional.ece) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_deduced_any_param_as_pointer.carbon
// CHECK:STDOUT:
@@ -1797,6 +1889,11 @@ fn F() {
// CHECK:STDOUT: %MaybeUnformed.2e9: type = class_type @MaybeUnformed, @MaybeUnformed(%Destroy.facet.617) [symbolic]
// CHECK:STDOUT: %ptr.as.OptionalStorage.impl.Some.type.c7a: type = fn_type @ptr.as.OptionalStorage.impl.Some, @ptr.as.OptionalStorage.impl(%T.67d) [symbolic]
// CHECK:STDOUT: %ptr.as.OptionalStorage.impl.Some.38a: %ptr.as.OptionalStorage.impl.Some.type.c7a = struct_value () [symbolic]
// CHECK:STDOUT: %Destroy.Op.type.bae255.1: type = fn_type @Destroy.Op.1 [concrete]
// CHECK:STDOUT: %Destroy.Op.651ba6.1: %Destroy.Op.type.bae255.1 = struct_value () [concrete]
// CHECK:STDOUT: %custom_witness.8d7fae.1: <witness> = custom_witness (%Destroy.Op.651ba6.1), @Destroy [concrete]
// CHECK:STDOUT: %Destroy.facet.021: %Destroy.type = facet_value %ptr.5c7, (%custom_witness.8d7fae.1) [concrete]
// CHECK:STDOUT: %MaybeUnformed.74a: type = class_type @MaybeUnformed, @MaybeUnformed(%Destroy.facet.021) [concrete]
// CHECK:STDOUT: %OptionalStorage.impl_witness.ba1: <witness> = impl_witness imports.%OptionalStorage.impl_witness_table.bee, @ptr.as.OptionalStorage.impl(%S) [concrete]
// CHECK:STDOUT: %OptionalStorage.facet.872: %OptionalStorage.type = facet_value %ptr.5c7, (%OptionalStorage.impl_witness.ba1) [concrete]
// CHECK:STDOUT: %Optional.065: type = class_type @Optional, @Optional(%OptionalStorage.facet.872) [concrete]
@@ -1827,8 +1924,8 @@ fn F() {
// 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: %Destroy.Op.type.bae255.3: type = fn_type @Destroy.Op.loc13_65.2 [concrete]
// CHECK:STDOUT: %Destroy.Op.651ba6.3: %Destroy.Op.type.bae255.3 = 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: }
@@ -1947,14 +2044,22 @@ fn F() {
// CHECK:STDOUT: %.loc13_65.2: ref %Optional.065 = temporary %.loc13_65.1, %Indirect__carbon_thunk.call
// CHECK:STDOUT: %.loc13_65.3: %Optional.065 = acquire_value %.loc13_65.2
// 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.bound.loc13: <bound method> = bound_method %.loc13_65.2, constants.%Destroy.Op.651ba6.3
// CHECK:STDOUT: %Destroy.Op.call.loc13: init %empty_tuple.type = call %Destroy.Op.bound.loc13(%.loc13_65.2)
// CHECK:STDOUT: %Destroy.Op.bound.loc11: <bound method> = bound_method %.loc11_14.3, constants.%Destroy.Op.651ba6.2
// CHECK:STDOUT: %Destroy.Op.bound.loc11: <bound method> = bound_method %.loc11_14.3, constants.%Destroy.Op.651ba6.3
// CHECK:STDOUT: %Destroy.Op.call.loc11: init %empty_tuple.type = call %Destroy.Op.bound.loc11(%.loc11_14.3)
// 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:
// CHECK:STDOUT: fn @Destroy.Op.loc13(%self.param: ref %Optional.065) = "no_op";
// CHECK:STDOUT: fn @Destroy.Op.loc13_65.1(%self.param: ref %MaybeUnformed.74a) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc13_65.2(%self.param: ref %Optional.065) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT: