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carbon-lang/toolchain/check/testdata/interop/cpp/function/import/inline.carbon
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Dana Jansens 24766e213e Defer evaluation of witnesses substituted while identifying a facet type (#7930) 
When identifying a facet type, defer evaluation of LookupImplWitnesses
by redirecting them to evaluate into IdentifiedWitness. Then the caller
of identify will need to substitute the IdentifiedWitnesses, either with
witnesses of their own, or with LookupImplWitness to cause a lookup
operation.

This allows:
- An `impl as` on a named constraint can subst the witnesses in
designators from the named constraint with a witness to the impl itself.
This prevents them from looking for and finding some other overlapping
impl. (This PR)
- Impl lookup to collect rewrite/equality requirements from all named
constraints and then use the impls it has already found to evaluate any
designators in those requirements instead of performing impl lookup
again (creating a cycle). (Done in
https://github.com/carbon-language/carbon-lang/pull/7944)
- Similarly, an `impl as` can collect impls and equality requirements
from all named constraints and verify them correctly by replacing
witnesses that should refer to the impl with the correct witness instead
of performing a lookup and finding an overlapping impl. (Done in
https://github.com/carbon-language/carbon-lang/pull/7937)
- ImplWitnessAccess to be able to find rewrites from a named constraint,
not just from the initial DeclaredFacetType. (TBD)

To do this we need to introduce the concept of "identified" specifics.
In order to identify a facet type, we must construct a specific for each
require decl in a named constraint. These specifics will have
IdentifiedWitnesses inside them, but their args would otherwise match a
specific for the require decl constructed in another context. To avoid
polluting the canonical specific namespace, we introduce a second
namespace of specifics that are "identified" since they are created by
identifying.

As we have introduced a new global state that modifies eval behaviour,
we must disable that state when resolving a specific (as per
https://github.com/carbon-language/carbon-lang/pull/7923). But inside an
"identified" specific, we preserve the behaviour so that the witnesses
modified by identify (through SubstPeriodSelf or through evaluating a
require specific) have their evaluation deferred.
2026-10-14 14:12:56 +00:00

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// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/int.carbon
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/interop/cpp/function/import/inline.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interop/cpp/function/import/inline.carbon
// ============================================================================
// With definition
// ============================================================================
// --- with_definition.h
inline void inline_with_def() {}
// --- import_with_definition.carbon
library "[[@TEST_NAME]]";
import Cpp library "with_definition.h";
fn MyF() {
//@dump-sem-ir-begin
Cpp.inline_with_def();
//@dump-sem-ir-end
}
// ============================================================================
// Without definition
// ============================================================================
// --- without_definition.h
// TODO: Promote this warning to an error by default.
// CHECK:STDERR: ./without_definition.h:[[@LINE+3]]:13: warning: inline function 'inline_without_def' is not defined [CppInteropParseWarning]
// CHECK:STDERR: 6 | inline void inline_without_def();
// CHECK:STDERR: | ^
inline void inline_without_def();
// --- todo_fail_import_without_definition.carbon
library "[[@TEST_NAME]]";
import Cpp library "without_definition.h";
fn MyF() {
//@dump-sem-ir-begin
// CHECK:STDERR: todo_fail_import_without_definition.carbon:[[@LINE+4]]:26: note: used here [CppInteropParseNote]
// CHECK:STDERR: 12 | Cpp.inline_without_def();
// CHECK:STDERR: | ^
// CHECK:STDERR:
Cpp.inline_without_def();
// Don't error on repeated calls.
Cpp.inline_without_def();
//@dump-sem-ir-end
}
// ============================================================================
// automatic return type
// ============================================================================
// --- automatic_return_type.carbon
library "[[@TEST_NAME]]";
import Cpp inline '''
inline auto WithoutThunk(int) -> auto { return 0; }
inline auto ThunkOnArg(short) -> auto { return 0; }
inline auto ThunkOnReturn(int) -> auto { short x = 0; return x; }
inline auto ThunkOnBoth(short) -> auto { short x = 0; return x; }
''';
fn MyF() {
//@dump-sem-ir-begin
let unused r1: i32 = Cpp.WithoutThunk(1);
let unused r2: i32 = Cpp.ThunkOnArg(1);
let unused r3: i16 = Cpp.ThunkOnReturn(1);
let unused r4: i16 = Cpp.ThunkOnBoth(1);
//@dump-sem-ir-end
}
// CHECK:STDOUT: --- import_with_definition.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: type: type = facet_type <type> [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %inline_with_def.cpp_overload_set.type: type = cpp_overload_set_type @inline_with_def.cpp_overload_set [concrete]
// CHECK:STDOUT: %inline_with_def.cpp_overload_set.value: %inline_with_def.cpp_overload_set.type = cpp_overload_set_value @inline_with_def.cpp_overload_set [concrete]
// CHECK:STDOUT: %inline_with_def.type: type = fn_type @inline_with_def [concrete]
// CHECK:STDOUT: %inline_with_def: %inline_with_def.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .inline_with_def = %inline_with_def.cpp_overload_set.value
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %inline_with_def.cpp_overload_set.value: %inline_with_def.cpp_overload_set.type = cpp_overload_set_value @inline_with_def.cpp_overload_set [concrete = constants.%inline_with_def.cpp_overload_set.value]
// CHECK:STDOUT: %inline_with_def.decl: %inline_with_def.type = fn_decl @inline_with_def [concrete = constants.%inline_with_def] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @MyF() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %inline_with_def.ref: %inline_with_def.cpp_overload_set.type = name_ref inline_with_def, imports.%inline_with_def.cpp_overload_set.value [concrete = constants.%inline_with_def.cpp_overload_set.value]
// CHECK:STDOUT: %inline_with_def.call: init %empty_tuple.type = call imports.%inline_with_def.decl()
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- todo_fail_import_without_definition.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: type: type = facet_type <type> [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %inline_without_def.cpp_overload_set.type: type = cpp_overload_set_type @inline_without_def.cpp_overload_set [concrete]
// CHECK:STDOUT: %inline_without_def.cpp_overload_set.value: %inline_without_def.cpp_overload_set.type = cpp_overload_set_value @inline_without_def.cpp_overload_set [concrete]
// CHECK:STDOUT: %inline_without_def.type: type = fn_type @inline_without_def [concrete]
// CHECK:STDOUT: %inline_without_def: %inline_without_def.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .inline_without_def = %inline_without_def.cpp_overload_set.value
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %inline_without_def.cpp_overload_set.value: %inline_without_def.cpp_overload_set.type = cpp_overload_set_value @inline_without_def.cpp_overload_set [concrete = constants.%inline_without_def.cpp_overload_set.value]
// CHECK:STDOUT: %inline_without_def.decl: %inline_without_def.type = fn_decl @inline_without_def [concrete = constants.%inline_without_def] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @MyF() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref.loc12: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %inline_without_def.ref.loc12: %inline_without_def.cpp_overload_set.type = name_ref inline_without_def, imports.%inline_without_def.cpp_overload_set.value [concrete = constants.%inline_without_def.cpp_overload_set.value]
// CHECK:STDOUT: %inline_without_def.call.loc12: init %empty_tuple.type = call imports.%inline_without_def.decl()
// CHECK:STDOUT: %Cpp.ref.loc15: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %inline_without_def.ref.loc15: %inline_without_def.cpp_overload_set.type = name_ref inline_without_def, imports.%inline_without_def.cpp_overload_set.value [concrete = constants.%inline_without_def.cpp_overload_set.value]
// CHECK:STDOUT: %inline_without_def.call.loc15: init %empty_tuple.type = call imports.%inline_without_def.decl()
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- automatic_return_type.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: type: type = facet_type <type> [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT: %N: Core.IntLiteral = symbolic_binding N, 0 [symbolic]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT: %pattern_type.d94: type = pattern_type %i32 [concrete]
// CHECK:STDOUT: %r1.patt: %pattern_type.d94 = value_binding_pattern r1 [concrete]
// CHECK:STDOUT: %WithoutThunk.cpp_overload_set.type: type = cpp_overload_set_type @WithoutThunk.cpp_overload_set [concrete]
// CHECK:STDOUT: %WithoutThunk.cpp_overload_set.value: %WithoutThunk.cpp_overload_set.type = cpp_overload_set_value @WithoutThunk.cpp_overload_set [concrete]
// CHECK:STDOUT: %int_1.5b8: Core.IntLiteral = int_value 1 [concrete]
// CHECK:STDOUT: %WithoutThunk.type: type = fn_type @WithoutThunk [concrete]
// CHECK:STDOUT: %WithoutThunk: %WithoutThunk.type = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.type.6b0: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
// CHECK:STDOUT: %To: Core.IntLiteral = symbolic_binding To, 0 [symbolic]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.3c6: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%To) [symbolic]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.6f2: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.3c6 = struct_value () [symbolic]
// CHECK:STDOUT: %ImplicitAs.impl_witness.d73: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.f53, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.766: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.f60: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.766 = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.facet.fc6: %ImplicitAs.type.6b0 = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.d73) [concrete]
// CHECK:STDOUT: %ImplicitAs.WithSelf.Convert.type.58f: type = fn_type @ImplicitAs.WithSelf.Convert, @ImplicitAs.WithSelf(%i32, %ImplicitAs.facet.fc6) [concrete]
// CHECK:STDOUT: %.33a: type = fn_type_with_self_type %ImplicitAs.WithSelf.Convert.type.58f, %ImplicitAs.facet.fc6 [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.282: <bound method> = bound_method %int_1.5b8, %Core.IntLiteral.as.ImplicitAs.impl.Convert.f60 [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn.5d8: <specific function> = specific_function %Core.IntLiteral.as.ImplicitAs.impl.Convert.f60, @Core.IntLiteral.as.ImplicitAs.impl.Convert(%int_32) [concrete]
// CHECK:STDOUT: %bound_method.3bd: <bound method> = bound_method %int_1.5b8, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn.5d8 [concrete]
// CHECK:STDOUT: %int_1.68a: %i32 = int_value 1 [concrete]
// CHECK:STDOUT: %r2.patt: %pattern_type.d94 = value_binding_pattern r2 [concrete]
// CHECK:STDOUT: %ThunkOnArg.cpp_overload_set.type: type = cpp_overload_set_type @ThunkOnArg.cpp_overload_set [concrete]
// CHECK:STDOUT: %ThunkOnArg.cpp_overload_set.value: %ThunkOnArg.cpp_overload_set.type = cpp_overload_set_value @ThunkOnArg.cpp_overload_set [concrete]
// CHECK:STDOUT: %int_16: Core.IntLiteral = int_value 16 [concrete]
// CHECK:STDOUT: %i16: type = class_type @Int, @Int(%int_16) [concrete]
// CHECK:STDOUT: %pattern_type.9bc: type = pattern_type %i16 [concrete]
// CHECK:STDOUT: %ptr.e14: type = ptr_type %i16 [concrete]
// CHECK:STDOUT: %ThunkOnArg__carbon_thunk.type: type = fn_type @ThunkOnArg__carbon_thunk [concrete]
// CHECK:STDOUT: %ThunkOnArg__carbon_thunk: %ThunkOnArg__carbon_thunk.type = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.type.887: type = facet_type <@ImplicitAs, @ImplicitAs(%i16)> [concrete]
// CHECK:STDOUT: %ImplicitAs.impl_witness.610: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.f53, @Core.IntLiteral.as.ImplicitAs.impl(%int_16) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.9e0: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%int_16) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.e71: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.9e0 = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.facet.b42: %ImplicitAs.type.887 = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.610) [concrete]
// CHECK:STDOUT: %ImplicitAs.WithSelf.Convert.type.14b: type = fn_type @ImplicitAs.WithSelf.Convert, @ImplicitAs.WithSelf(%i16, %ImplicitAs.facet.b42) [concrete]
// CHECK:STDOUT: %.425: type = fn_type_with_self_type %ImplicitAs.WithSelf.Convert.type.14b, %ImplicitAs.facet.b42 [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.d9f: <bound method> = bound_method %int_1.5b8, %Core.IntLiteral.as.ImplicitAs.impl.Convert.e71 [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn.91f: <specific function> = specific_function %Core.IntLiteral.as.ImplicitAs.impl.Convert.e71, @Core.IntLiteral.as.ImplicitAs.impl.Convert(%int_16) [concrete]
// CHECK:STDOUT: %bound_method.f03: <bound method> = bound_method %int_1.5b8, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn.91f [concrete]
// CHECK:STDOUT: %int_1.6e1: %i16 = int_value 1 [concrete]
// CHECK:STDOUT: %Copy.type: type = facet_type <@Copy> [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.type.a1d: type = fn_type @Int.as.Copy.impl.Op, @Int.as.Copy.impl(%N) [symbolic]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.3c1: %Int.as.Copy.impl.Op.type.a1d = struct_value () [symbolic]
// CHECK:STDOUT: %Copy.impl_witness.21d: <witness> = impl_witness imports.%Copy.impl_witness_table.f44, @Int.as.Copy.impl(%int_16) [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.type.6f7: type = fn_type @Int.as.Copy.impl.Op, @Int.as.Copy.impl(%int_16) [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.5fe: %Int.as.Copy.impl.Op.type.6f7 = struct_value () [concrete]
// CHECK:STDOUT: %Copy.facet: %Copy.type = facet_value %i16, (%Copy.impl_witness.21d) [concrete]
// CHECK:STDOUT: %Copy.WithSelf.Op.type.64d: type = fn_type @Copy.WithSelf.Op, @Copy.WithSelf(%Copy.facet) [concrete]
// CHECK:STDOUT: %.376: type = fn_type_with_self_type %Copy.WithSelf.Op.type.64d, %Copy.facet [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.bound: <bound method> = bound_method %int_1.6e1, %Int.as.Copy.impl.Op.5fe [concrete]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %Int.as.Copy.impl.Op.5fe, @Int.as.Copy.impl.Op(%int_16) [concrete]
// CHECK:STDOUT: %bound_method.96e: <bound method> = bound_method %int_1.6e1, %Int.as.Copy.impl.Op.specific_fn [concrete]
// CHECK:STDOUT: %.c52: ref %i16 = temporary invalid, %int_1.6e1 [concrete]
// CHECK:STDOUT: %addr: %ptr.e14 = addr_of %.c52 [concrete]
// CHECK:STDOUT: %r3.patt: %pattern_type.9bc = value_binding_pattern r3 [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]
// CHECK:STDOUT: %ThunkOnReturn__carbon_thunk: %ThunkOnReturn__carbon_thunk.type = struct_value () [concrete]
// CHECK:STDOUT: %r4.patt: %pattern_type.9bc = value_binding_pattern r4 [concrete]
// CHECK:STDOUT: %ThunkOnBoth.cpp_overload_set.type: type = cpp_overload_set_type @ThunkOnBoth.cpp_overload_set [concrete]
// CHECK:STDOUT: %ThunkOnBoth.cpp_overload_set.value: %ThunkOnBoth.cpp_overload_set.type = cpp_overload_set_value @ThunkOnBoth.cpp_overload_set [concrete]
// CHECK:STDOUT: %ThunkOnBoth__carbon_thunk.type: type = fn_type @ThunkOnBoth__carbon_thunk [concrete]
// CHECK:STDOUT: %ThunkOnBoth__carbon_thunk: %ThunkOnBoth__carbon_thunk.type = struct_value () [concrete]
// CHECK:STDOUT: %self.param_patt.2ee: %pattern_type.9bc = ref_param_pattern [concrete]
// CHECK:STDOUT: %self.patt.f46: %pattern_type.9bc = wrapper_binding_pattern self, %self.param_patt.2ee [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.SubobjectDestroy.type.dfc: type = fn_type @Destroy.WithSelf.SubobjectDestroy.loc16 [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.SubobjectDestroy.d01: %Destroy.WithSelf.SubobjectDestroy.type.dfc = struct_value () [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.Op.type.ef0: type = fn_type @Destroy.WithSelf.Op.loc16 [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.Op.403: %Destroy.WithSelf.Op.type.ef0 = struct_value () [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.SelfDestruct.type.fbc: type = fn_type @Destroy.WithSelf.SelfDestruct.loc16 [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.SelfDestruct.db3: %Destroy.WithSelf.SelfDestruct.type.fbc = struct_value () [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.SelfDestruct.bound: <bound method> = bound_method %.c52, %Destroy.WithSelf.SelfDestruct.db3 [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .WithoutThunk = %WithoutThunk.cpp_overload_set.value
// CHECK:STDOUT: .ThunkOnArg = %ThunkOnArg.cpp_overload_set.value
// CHECK:STDOUT: .ThunkOnReturn = %ThunkOnReturn.cpp_overload_set.value
// CHECK:STDOUT: .ThunkOnBoth = %ThunkOnBoth.cpp_overload_set.value
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %WithoutThunk.cpp_overload_set.value: %WithoutThunk.cpp_overload_set.type = cpp_overload_set_value @WithoutThunk.cpp_overload_set [concrete = constants.%WithoutThunk.cpp_overload_set.value]
// CHECK:STDOUT: %WithoutThunk.decl: %WithoutThunk.type = fn_decl @WithoutThunk [concrete = constants.%WithoutThunk] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import_ref.e47: @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert.type (%Core.IntLiteral.as.ImplicitAs.impl.Convert.type.3c6) = import_ref Core//prelude/parts/int, loc{{\d+_\d+}}, loaded [symbolic = @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert (constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.6f2)]
// CHECK:STDOUT: %ImplicitAs.impl_witness_table.f53 = impl_witness_table (%Core.import_ref.e47), @Core.IntLiteral.as.ImplicitAs.impl [concrete]
// CHECK:STDOUT: %ThunkOnArg.cpp_overload_set.value: %ThunkOnArg.cpp_overload_set.type = cpp_overload_set_value @ThunkOnArg.cpp_overload_set [concrete = constants.%ThunkOnArg.cpp_overload_set.value]
// CHECK:STDOUT: %ThunkOnArg__carbon_thunk.decl: %ThunkOnArg__carbon_thunk.type = fn_decl @ThunkOnArg__carbon_thunk [concrete = constants.%ThunkOnArg__carbon_thunk] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import_ref.72f: @Int.as.Copy.impl.%Int.as.Copy.impl.Op.type (%Int.as.Copy.impl.Op.type.a1d) = import_ref Core//prelude/parts/int, loc{{\d+_\d+}}, loaded [symbolic = @Int.as.Copy.impl.%Int.as.Copy.impl.Op (constants.%Int.as.Copy.impl.Op.3c1)]
// CHECK:STDOUT: %Copy.impl_witness_table.f44 = impl_witness_table (%Core.import_ref.72f), @Int.as.Copy.impl [concrete]
// CHECK:STDOUT: %ThunkOnReturn.cpp_overload_set.value: %ThunkOnReturn.cpp_overload_set.type = cpp_overload_set_value @ThunkOnReturn.cpp_overload_set [concrete = constants.%ThunkOnReturn.cpp_overload_set.value]
// CHECK:STDOUT: %ThunkOnReturn__carbon_thunk.decl: %ThunkOnReturn__carbon_thunk.type = fn_decl @ThunkOnReturn__carbon_thunk [concrete = constants.%ThunkOnReturn__carbon_thunk] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: %ThunkOnBoth.cpp_overload_set.value: %ThunkOnBoth.cpp_overload_set.type = cpp_overload_set_value @ThunkOnBoth.cpp_overload_set [concrete = constants.%ThunkOnBoth.cpp_overload_set.value]
// CHECK:STDOUT: %ThunkOnBoth__carbon_thunk.decl: %ThunkOnBoth__carbon_thunk.type = fn_decl @ThunkOnBoth__carbon_thunk [concrete = constants.%ThunkOnBoth__carbon_thunk] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generated {
// CHECK:STDOUT: %Destroy.WithSelf.SubobjectDestroy.decl: %Destroy.WithSelf.SubobjectDestroy.type.dfc = fn_decl @Destroy.WithSelf.SubobjectDestroy.loc16 [concrete = constants.%Destroy.WithSelf.SubobjectDestroy.d01] {
// CHECK:STDOUT: %self.param_patt: %pattern_type.9bc = ref_param_pattern [concrete = constants.%self.param_patt.2ee]
// CHECK:STDOUT: %self.patt: %pattern_type.9bc = wrapper_binding_pattern self, %self.param_patt [concrete = constants.%self.patt.f46]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %self.param: ref %i16 = ref_param call_param0
// CHECK:STDOUT: %self: ref %i16 = wrapper_binding self, %self.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %Destroy.WithSelf.Op.decl: %Destroy.WithSelf.Op.type.ef0 = fn_decl @Destroy.WithSelf.Op.loc16 [concrete = constants.%Destroy.WithSelf.Op.403] {
// CHECK:STDOUT: %self.param_patt: %pattern_type.9bc = ref_param_pattern [concrete = constants.%self.param_patt.2ee]
// CHECK:STDOUT: %self.patt: %pattern_type.9bc = wrapper_binding_pattern self, %self.param_patt [concrete = constants.%self.patt.f46]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %self.param: ref %i16 = ref_param call_param0
// CHECK:STDOUT: %self: ref %i16 = wrapper_binding self, %self.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @MyF() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref.loc13: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %WithoutThunk.ref: %WithoutThunk.cpp_overload_set.type = name_ref WithoutThunk, imports.%WithoutThunk.cpp_overload_set.value [concrete = constants.%WithoutThunk.cpp_overload_set.value]
// CHECK:STDOUT: %int_1.loc13: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
// CHECK:STDOUT: %impl.elem0.loc13: %.33a = impl_witness_access constants.%ImplicitAs.impl_witness.d73, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.f60]
// CHECK:STDOUT: %bound_method.loc13_41.1: <bound method> = bound_method %int_1.loc13, %impl.elem0.loc13 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.282]
// CHECK:STDOUT: %specific_fn.loc13: <specific function> = specific_function %impl.elem0.loc13, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn.5d8]
// CHECK:STDOUT: %bound_method.loc13_41.2: <bound method> = bound_method %int_1.loc13, %specific_fn.loc13 [concrete = constants.%bound_method.3bd]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc13: init %i32 = call %bound_method.loc13_41.2(%int_1.loc13) [concrete = constants.%int_1.68a]
// CHECK:STDOUT: %.loc13_41.1: %i32 = value_of_initializer %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc13 [concrete = constants.%int_1.68a]
// CHECK:STDOUT: %.loc13_41.2: %i32 = converted %int_1.loc13, %.loc13_41.1 [concrete = constants.%int_1.68a]
// CHECK:STDOUT: %WithoutThunk.call: init %i32 = call imports.%WithoutThunk.decl(%.loc13_41.2)
// CHECK:STDOUT: %.loc13_42.1: %i32 = value_of_initializer %WithoutThunk.call
// CHECK:STDOUT: %.loc13_42.2: %i32 = converted %WithoutThunk.call, %.loc13_42.1
// CHECK:STDOUT: %i32.loc13: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %r1: %i32 = wrapper_binding r1, %.loc13_42.2
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %r1.patt: %pattern_type.d94 = value_binding_pattern r1 [concrete = constants.%r1.patt]
// CHECK:STDOUT: }
// CHECK:STDOUT: %Cpp.ref.loc14: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %ThunkOnArg.ref: %ThunkOnArg.cpp_overload_set.type = name_ref ThunkOnArg, imports.%ThunkOnArg.cpp_overload_set.value [concrete = constants.%ThunkOnArg.cpp_overload_set.value]
// CHECK:STDOUT: %int_1.loc14: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
// CHECK:STDOUT: %impl.elem0.loc14_39.1: %.425 = impl_witness_access constants.%ImplicitAs.impl_witness.610, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.e71]
// CHECK:STDOUT: %bound_method.loc14_39.1: <bound method> = bound_method %int_1.loc14, %impl.elem0.loc14_39.1 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.d9f]
// CHECK:STDOUT: %specific_fn.loc14_39.1: <specific function> = specific_function %impl.elem0.loc14_39.1, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_16) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn.91f]
// CHECK:STDOUT: %bound_method.loc14_39.2: <bound method> = bound_method %int_1.loc14, %specific_fn.loc14_39.1 [concrete = constants.%bound_method.f03]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc14: init %i16 = call %bound_method.loc14_39.2(%int_1.loc14) [concrete = constants.%int_1.6e1]
// CHECK:STDOUT: %.loc14_39.1: %i16 = value_of_initializer %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc14 [concrete = constants.%int_1.6e1]
// CHECK:STDOUT: %.loc14_39.2: %i16 = converted %int_1.loc14, %.loc14_39.1 [concrete = constants.%int_1.6e1]
// CHECK:STDOUT: %impl.elem0.loc14_39.2: %.376 = impl_witness_access constants.%Copy.impl_witness.21d, element0 [concrete = constants.%Int.as.Copy.impl.Op.5fe]
// CHECK:STDOUT: %bound_method.loc14_39.3: <bound method> = bound_method %.loc14_39.2, %impl.elem0.loc14_39.2 [concrete = constants.%Int.as.Copy.impl.Op.bound]
// 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.96e]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.call.loc14: init %i16 = call %bound_method.loc14_39.4(%.loc14_39.2) [concrete = constants.%int_1.6e1]
// CHECK:STDOUT: %.loc14_39.3: ref %i16 = temporary_storage
// CHECK:STDOUT: %.loc14_39.4: ref %i16 = temporary %.loc14_39.3, %Int.as.Copy.impl.Op.call.loc14 [concrete = constants.%.c52]
// CHECK:STDOUT: %addr.loc14: %ptr.e14 = 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: %.loc14_40.1: %i32 = value_of_initializer %ThunkOnArg__carbon_thunk.call
// CHECK:STDOUT: %.loc14_40.2: %i32 = converted %ThunkOnArg__carbon_thunk.call, %.loc14_40.1
// CHECK:STDOUT: %i32.loc14: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %r2: %i32 = wrapper_binding r2, %.loc14_40.2
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %r2.patt: %pattern_type.d94 = value_binding_pattern r2 [concrete = constants.%r2.patt]
// CHECK:STDOUT: }
// CHECK:STDOUT: %Cpp.ref.loc15: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %ThunkOnReturn.ref: %ThunkOnReturn.cpp_overload_set.type = name_ref ThunkOnReturn, imports.%ThunkOnReturn.cpp_overload_set.value [concrete = constants.%ThunkOnReturn.cpp_overload_set.value]
// CHECK:STDOUT: %int_1.loc15: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
// CHECK:STDOUT: %impl.elem0.loc15: %.33a = impl_witness_access constants.%ImplicitAs.impl_witness.d73, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.f60]
// CHECK:STDOUT: %bound_method.loc15_42.1: <bound method> = bound_method %int_1.loc15, %impl.elem0.loc15 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.282]
// CHECK:STDOUT: %specific_fn.loc15: <specific function> = specific_function %impl.elem0.loc15, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn.5d8]
// CHECK:STDOUT: %bound_method.loc15_42.2: <bound method> = bound_method %int_1.loc15, %specific_fn.loc15 [concrete = constants.%bound_method.3bd]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc15: init %i32 = call %bound_method.loc15_42.2(%int_1.loc15) [concrete = constants.%int_1.68a]
// CHECK:STDOUT: %.loc15_42.1: %i32 = value_of_initializer %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc15 [concrete = constants.%int_1.68a]
// CHECK:STDOUT: %.loc15_42.2: %i32 = converted %int_1.loc15, %.loc15_42.1 [concrete = constants.%int_1.68a]
// CHECK:STDOUT: %.loc15_43.1: ref %i16 = temporary_storage
// CHECK:STDOUT: %addr.loc15: %ptr.e14 = addr_of %.loc15_43.1
// CHECK:STDOUT: %ThunkOnReturn__carbon_thunk.call: init %empty_tuple.type = call imports.%ThunkOnReturn__carbon_thunk.decl(%.loc15_42.2, %addr.loc15)
// CHECK:STDOUT: %.loc15_43.2: init %i16 to %.loc15_43.1 = mark_in_place_init %ThunkOnReturn__carbon_thunk.call
// CHECK:STDOUT: %.loc15_43.3: ref %i16 = temporary %.loc15_43.1, %.loc15_43.2
// CHECK:STDOUT: %.loc15_43.4: %i16 = acquire_value %.loc15_43.3
// CHECK:STDOUT: %i16.loc15: type = type_literal constants.%i16 [concrete = constants.%i16]
// CHECK:STDOUT: %r3: %i16 = wrapper_binding r3, %.loc15_43.4
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %r3.patt: %pattern_type.9bc = value_binding_pattern r3 [concrete = constants.%r3.patt]
// CHECK:STDOUT: }
// CHECK:STDOUT: %Cpp.ref.loc16: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %ThunkOnBoth.ref: %ThunkOnBoth.cpp_overload_set.type = name_ref ThunkOnBoth, imports.%ThunkOnBoth.cpp_overload_set.value [concrete = constants.%ThunkOnBoth.cpp_overload_set.value]
// CHECK:STDOUT: %int_1.loc16: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
// CHECK:STDOUT: %impl.elem0.loc16_40.1: %.425 = impl_witness_access constants.%ImplicitAs.impl_witness.610, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.e71]
// CHECK:STDOUT: %bound_method.loc16_40.1: <bound method> = bound_method %int_1.loc16, %impl.elem0.loc16_40.1 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.d9f]
// CHECK:STDOUT: %specific_fn.loc16_40.1: <specific function> = specific_function %impl.elem0.loc16_40.1, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_16) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn.91f]
// CHECK:STDOUT: %bound_method.loc16_40.2: <bound method> = bound_method %int_1.loc16, %specific_fn.loc16_40.1 [concrete = constants.%bound_method.f03]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc16: init %i16 = call %bound_method.loc16_40.2(%int_1.loc16) [concrete = constants.%int_1.6e1]
// CHECK:STDOUT: %.loc16_40.1: %i16 = value_of_initializer %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc16 [concrete = constants.%int_1.6e1]
// CHECK:STDOUT: %.loc16_40.2: %i16 = converted %int_1.loc16, %.loc16_40.1 [concrete = constants.%int_1.6e1]
// CHECK:STDOUT: %impl.elem0.loc16_40.2: %.376 = impl_witness_access constants.%Copy.impl_witness.21d, element0 [concrete = constants.%Int.as.Copy.impl.Op.5fe]
// CHECK:STDOUT: %bound_method.loc16_40.3: <bound method> = bound_method %.loc16_40.2, %impl.elem0.loc16_40.2 [concrete = constants.%Int.as.Copy.impl.Op.bound]
// 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.96e]
// CHECK:STDOUT: %Int.as.Copy.impl.Op.call.loc16: init %i16 = call %bound_method.loc16_40.4(%.loc16_40.2) [concrete = constants.%int_1.6e1]
// CHECK:STDOUT: %.loc16_40.3: ref %i16 = temporary_storage
// CHECK:STDOUT: %.loc16_40.4: ref %i16 = temporary %.loc16_40.3, %Int.as.Copy.impl.Op.call.loc16 [concrete = constants.%.c52]
// CHECK:STDOUT: %addr.loc16_41.1: %ptr.e14 = addr_of %.loc16_40.4 [concrete = constants.%addr]
// CHECK:STDOUT: %.loc16_41.1: ref %i16 = temporary_storage
// CHECK:STDOUT: %addr.loc16_41.2: %ptr.e14 = 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)
// CHECK:STDOUT: %.loc16_41.2: init %i16 to %.loc16_41.1 = mark_in_place_init %ThunkOnBoth__carbon_thunk.call
// 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: %i16.loc16: type = type_literal constants.%i16 [concrete = constants.%i16]
// CHECK:STDOUT: %r4: %i16 = wrapper_binding r4, %.loc16_41.4
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %r4.patt: %pattern_type.9bc = value_binding_pattern r4 [concrete = constants.%r4.patt]
// CHECK:STDOUT: }
// CHECK:STDOUT: %Destroy.WithSelf.SelfDestruct.bound.loc16: <bound method> = bound_method %.loc16_41.3, constants.%Destroy.WithSelf.SelfDestruct.db3
// CHECK:STDOUT: %Destroy.WithSelf.SelfDestruct.call.loc16_41: init %empty_tuple.type = call %Destroy.WithSelf.SelfDestruct.bound.loc16(%.loc16_41.3)
// CHECK:STDOUT: %Destroy.WithSelf.SelfDestruct.call.loc16_40: init %empty_tuple.type = call constants.%Destroy.WithSelf.SelfDestruct.bound(constants.%.c52)
// CHECK:STDOUT: %Destroy.WithSelf.SelfDestruct.bound.loc15: <bound method> = bound_method %.loc15_43.3, constants.%Destroy.WithSelf.SelfDestruct.db3
// CHECK:STDOUT: %Destroy.WithSelf.SelfDestruct.call.loc15: init %empty_tuple.type = call %Destroy.WithSelf.SelfDestruct.bound.loc15(%.loc15_43.3)
// CHECK:STDOUT: %Destroy.WithSelf.SelfDestruct.call.loc14: init %empty_tuple.type = call constants.%Destroy.WithSelf.SelfDestruct.bound(constants.%.c52)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.WithSelf.SubobjectDestroy.loc16(%self.param: ref %i16) = "no_op";
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.WithSelf.Op.loc16(%self.param: ref %i16) = "no_op";
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.WithSelf.SelfDestruct.loc16(%self.param: ref %i16) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Destroy.WithSelf.Op.call: init %empty_tuple.type = call generated.%Destroy.WithSelf.Op.decl(%self.param)
// CHECK:STDOUT: %Destroy.WithSelf.SubobjectDestroy.call: init %empty_tuple.type = call generated.%Destroy.WithSelf.SubobjectDestroy.decl(%self.param)
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
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