Files
carbon-lang/toolchain/check/testdata/interop/cpp/function/import/union.carbon
T
Chandler CarruthandChristopher Di Bella 8a59f2a76b Fix mangling collision for C++ class template specializations (#7269)
Carbon-side thunks (for example the `Copy`/`Destroy` witness thunks
generated for imported C++ types) are mangled by Carbon, and their names
incorporate a fingerprint of the involved types. The instruction
fingerprinter identifies a class only by its name and parent scope,
which is sufficient for Carbon classes but not for imported C++ classes:
different specializations of one class template (and other cases such as
types in anonymous namespaces) share a Carbon name and parent scope. As
a result, the thunks for two distinct specializations could mangle to
the same name, producing a single LLVM function with two definitions and
failing `verifyModule` during lowering.

When fingerprinting a class imported from C++, also include the Clang
mangled name of its type.

Test: toolchain/lower/testdata/interop/cpp/thunks.carbon gains a split
with two specializations of one class template, each requiring a thunk;
their thunks now get distinct mangled names instead of colliding.

Assisted-by: Claude Code

---------

Co-authored-by: Christopher Di Bella <cjdb.ns@gmail.com>
2026-05-30 08:13:00 +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/convert.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/union.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interop/cpp/function/import/union.carbon
// ============================================================================
// Forward-declared union as parameter type
// ============================================================================
// --- decl_value_param_type.h
union U;
auto foo1(U) -> void;
auto foo2(U) -> void;
// --- fail_import_decl_value_param_type.carbon
library "[[@TEST_NAME]]";
// CHECK:STDERR: fail_import_decl_value_param_type.carbon:[[@LINE+8]]:10: in file included here [InCppInclude]
// CHECK:STDERR: ./decl_value_param_type.h:4:6: error: argument type 'U' is incomplete [CppInteropParseError]
// CHECK:STDERR: 4 | auto foo1(U) -> void;
// CHECK:STDERR: | ^~~~
// CHECK:STDERR: fail_import_decl_value_param_type.carbon:[[@LINE+4]]:10: in file included here [InCppInclude]
// CHECK:STDERR: ./decl_value_param_type.h:2:7: note: forward declaration of 'U' [CppInteropParseNote]
// CHECK:STDERR: 2 | union U;
// CHECK:STDERR: | ^
import Cpp library "decl_value_param_type.h";
fn F(p: Cpp.U*) {
// CHECK:STDERR: fail_import_decl_value_param_type.carbon:[[@LINE+12]]:3: note: in thunk for C++ function used here [InCppThunk]
// CHECK:STDERR: Cpp.foo1(*p);
// CHECK:STDERR: ^~~~~~~~~~~~
// CHECK:STDERR:
// CHECK:STDERR: fail_import_decl_value_param_type.carbon:[[@LINE-7]]:10: in file included here [InCppInclude]
// CHECK:STDERR: ./decl_value_param_type.h:5:6: error: argument type 'U' is incomplete [CppInteropParseError]
// CHECK:STDERR: 5 | auto foo2(U) -> void;
// CHECK:STDERR: | ^~~~
// CHECK:STDERR: fail_import_decl_value_param_type.carbon:[[@LINE-11]]:10: in file included here [InCppInclude]
// CHECK:STDERR: ./decl_value_param_type.h:2:7: note: forward declaration of 'U' [CppInteropParseNote]
// CHECK:STDERR: 2 | union U;
// CHECK:STDERR: | ^
Cpp.foo1(*p);
// CHECK:STDERR: fail_import_decl_value_param_type.carbon:[[@LINE+28]]:3: note: in thunk for C++ function used here [InCppThunk]
// CHECK:STDERR: Cpp.foo2(*p);
// CHECK:STDERR: ^~~~~~~~~~~~
// CHECK:STDERR:
// CHECK:STDERR: fail_import_decl_value_param_type.carbon:[[@LINE-5]]:12: error: forming value of incomplete type `Cpp.U` [IncompleteTypeInValueConversion]
// CHECK:STDERR: Cpp.foo1(*p);
// CHECK:STDERR: ^~
// CHECK:STDERR: fail_import_decl_value_param_type.carbon:[[@LINE-23]]:10: in file included here [InCppInclude]
// CHECK:STDERR: ./decl_value_param_type.h:2:7: note: class was forward declared here [ClassForwardDeclaredHere]
// CHECK:STDERR: union U;
// CHECK:STDERR: ^
// CHECK:STDERR: fail_import_decl_value_param_type.carbon:[[@LINE-27]]:10: in file included here [InCppInclude]
// CHECK:STDERR: ./decl_value_param_type.h:4:12: note: initializing function parameter [InCallToFunctionParam]
// CHECK:STDERR: auto foo1(U) -> void;
// CHECK:STDERR: ^
// CHECK:STDERR:
// CHECK:STDERR: fail_import_decl_value_param_type.carbon:[[@LINE+12]]:12: error: forming value of incomplete type `Cpp.U` [IncompleteTypeInValueConversion]
// CHECK:STDERR: Cpp.foo2(*p);
// CHECK:STDERR: ^~
// CHECK:STDERR: fail_import_decl_value_param_type.carbon:[[@LINE-35]]:10: in file included here [InCppInclude]
// CHECK:STDERR: ./decl_value_param_type.h:2:7: note: class was forward declared here [ClassForwardDeclaredHere]
// CHECK:STDERR: union U;
// CHECK:STDERR: ^
// CHECK:STDERR: fail_import_decl_value_param_type.carbon:[[@LINE-39]]:10: in file included here [InCppInclude]
// CHECK:STDERR: ./decl_value_param_type.h:5:12: note: initializing function parameter [InCallToFunctionParam]
// CHECK:STDERR: auto foo2(U) -> void;
// CHECK:STDERR: ^
// CHECK:STDERR:
Cpp.foo2(*p);
}
// ============================================================================
// Defined union without data members as parameter type
// ============================================================================
// --- definition_no_data_members_value_param_type.h
union U {};
auto foo(U) -> void;
// --- import_definition_no_data_members_value_param_type.carbon
library "[[@TEST_NAME]]";
import Cpp library "definition_no_data_members_value_param_type.h";
fn F(u: Cpp.U) {
//@dump-sem-ir-begin
Cpp.foo(u);
//@dump-sem-ir-end
}
// ============================================================================
// Defined union with a single data member as parameter type
// ============================================================================
// --- definition_single_data_member_value_param_type.h
struct S {};
union U {
S s;
};
auto foo(U) -> void;
// --- import_definition_single_data_member_value_param_type.carbon
library "[[@TEST_NAME]]";
import Cpp library "definition_single_data_member_value_param_type.h";
fn F(u: Cpp.U) {
//@dump-sem-ir-begin
Cpp.foo(u);
//@dump-sem-ir-end
}
// ============================================================================
// Defined union with multiple data members as parameter type
// ============================================================================
// --- definition_multiple_data_members_value_param_type.h
struct S {};
union U {
S s1;
S s2;
S s3;
};
auto foo(U) -> void;
// --- import_definition_multiple_data_members_value_param_type.carbon
library "[[@TEST_NAME]]";
import Cpp library "definition_multiple_data_members_value_param_type.h";
fn F(u: Cpp.U) {
//@dump-sem-ir-begin
Cpp.foo(u);
//@dump-sem-ir-end
}
// ============================================================================
// Defined union in namespace
// ============================================================================
// --- definition_in_namespace_value_param_type.h
namespace N { union U {}; }
auto foo(N::U) -> void;
// --- import_definition_in_namespace_value_param_type.carbon
library "[[@TEST_NAME]]";
import Cpp library "definition_in_namespace_value_param_type.h";
fn F(u: Cpp.N.U) {
//@dump-sem-ir-begin
Cpp.foo(u);
// Check that the parameter type was imported correctly.
var unused x: Cpp.N.U;
//@dump-sem-ir-end
}
// ============================================================================
// Defined union in relative namespace
// ============================================================================
// --- definition_in_relative_namespace_value_param_type.h
namespace N1 {
namespace N2 { union U {}; }
auto foo(N2::U) -> void;
}
// --- import_definition_in_relative_namespace_value_param_type.carbon
library "[[@TEST_NAME]]";
import Cpp library "definition_in_relative_namespace_value_param_type.h";
fn F(u: Cpp.N1.N2.U) {
//@dump-sem-ir-begin
Cpp.N1.foo(u);
//@dump-sem-ir-end
}
// ============================================================================
// Defined union in union
// ============================================================================
// --- definition_in_outer_definition.h
union O {
public:
union U {};
};
auto foo(O::U) -> void;
// --- import_definition_in_outer_definition.carbon
library "[[@TEST_NAME]]";
import Cpp library "definition_in_outer_definition.h";
fn F(u: Cpp.O.U) {
//@dump-sem-ir-begin
Cpp.foo(u);
var unused x: Cpp.O;
//@dump-sem-ir-end
}
// ============================================================================
// Defined union and explicitly used
// ============================================================================
// --- definition_with_static_method.h
union U {
static void bar();
};
auto foo(U) -> void;
// --- import_definition_and_static_method_call_before.carbon
library "[[@TEST_NAME]]";
import Cpp library "definition_with_static_method.h";
fn F(u: Cpp.U) {
//@dump-sem-ir-begin
Cpp.U.bar();
Cpp.foo(u);
//@dump-sem-ir-end
}
// --- import_definition_and_static_method_call_after.carbon
library "[[@TEST_NAME]]";
import Cpp library "definition_with_static_method.h";
fn F(u: Cpp.U) {
//@dump-sem-ir-begin
Cpp.foo(u);
Cpp.U.bar();
//@dump-sem-ir-end
}
// ============================================================================
// Incomplete union
// ============================================================================
// --- incomplete.h
union Incomplete;
// --- fail_import_incomplete.carbon
library "[[@TEST_NAME]]";
import Cpp library "incomplete.h";
fn F() {
// CHECK:STDERR: fail_import_incomplete.carbon:[[@LINE+8]]:3: error: member access into incomplete class `Cpp.Incomplete` [QualifiedExprInIncompleteClassScope]
// CHECK:STDERR: Cpp.Incomplete.foo();
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~
// CHECK:STDERR: fail_import_incomplete.carbon:[[@LINE-6]]:10: in file included here [InCppInclude]
// CHECK:STDERR: ./incomplete.h:2:7: note: class was forward declared here [ClassForwardDeclaredHere]
// CHECK:STDERR: union Incomplete;
// CHECK:STDERR: ^
// CHECK:STDERR:
Cpp.Incomplete.foo();
}
// ============================================================================
// Pointer to forward-declared union as parameter type
// ============================================================================
// --- decl_pointer_param_type.h
union U;
auto foo(U* _Nonnull) -> void;
// --- import_decl_pointer_param_type.carbon
library "[[@TEST_NAME]]";
import Cpp library "decl_pointer_param_type.h";
fn F(u: Cpp.U*) {
//@dump-sem-ir-begin
Cpp.foo(u);
//@dump-sem-ir-end
}
// ============================================================================
// Pointer to defined union as parameter type
// ============================================================================
// --- definition_pointer_param_type.h
union U {};
auto foo(U* _Nonnull) -> void;
// --- import_definition_pointer_param_type.carbon
library "[[@TEST_NAME]]";
import Cpp library "definition_pointer_param_type.h";
fn F(u: Cpp.U*) {
//@dump-sem-ir-begin
Cpp.foo(u);
//@dump-sem-ir-end
}
// ============================================================================
// Forward-declared union as return type
// ============================================================================
// --- decl_value_return_type.h
union U;
auto foo() -> U;
// --- fail_import_decl_value_return_type.carbon
library "[[@TEST_NAME]]";
// CHECK:STDERR: fail_import_decl_value_return_type.carbon:[[@LINE+12]]:10: in file included here [InCppInclude]
// CHECK:STDERR: ./decl_value_return_type.h:4:6: error: calling 'foo' with incomplete return type 'U' [CppInteropParseError]
// CHECK:STDERR: 4 | auto foo() -> U;
// CHECK:STDERR: | ^~~
// CHECK:STDERR: fail_import_decl_value_return_type.carbon:[[@LINE+8]]:10: in file included here [InCppInclude]
// CHECK:STDERR: ./decl_value_return_type.h:4:6: note: 'foo' declared here [CppInteropParseNote]
// CHECK:STDERR: 4 | auto foo() -> U;
// CHECK:STDERR: | ^
// CHECK:STDERR: fail_import_decl_value_return_type.carbon:[[@LINE+4]]:10: in file included here [InCppInclude]
// CHECK:STDERR: ./decl_value_return_type.h:2:7: note: forward declaration of 'U' [CppInteropParseNote]
// CHECK:STDERR: 2 | union U;
// CHECK:STDERR: | ^
import Cpp library "decl_value_return_type.h";
fn F() {
// CHECK:STDERR: fail_import_decl_value_return_type.carbon:[[@LINE+16]]:3: note: in thunk for C++ function used here [InCppThunk]
// CHECK:STDERR: Cpp.foo();
// CHECK:STDERR: ^~~~~~~~~
// CHECK:STDERR:
// CHECK:STDERR: fail_import_decl_value_return_type.carbon:[[@LINE+12]]:3: error: function returns incomplete type `Cpp.U` [IncompleteTypeInFunctionReturnType]
// CHECK:STDERR: Cpp.foo();
// CHECK:STDERR: ^~~~~~~~~
// CHECK:STDERR: fail_import_decl_value_return_type.carbon:[[@LINE-10]]:10: in file included here [InCppInclude]
// CHECK:STDERR: ./decl_value_return_type.h:2:7: note: class was forward declared here [ClassForwardDeclaredHere]
// CHECK:STDERR: union U;
// CHECK:STDERR: ^
// CHECK:STDERR: fail_import_decl_value_return_type.carbon:[[@LINE-14]]:10: in file included here [InCppInclude]
// CHECK:STDERR: ./decl_value_return_type.h:4:1: note: return type declared here [IncompleteReturnTypeHere]
// CHECK:STDERR: auto foo() -> U;
// CHECK:STDERR: ^
// CHECK:STDERR:
Cpp.foo();
}
// ============================================================================
// Defined union as return type
// ============================================================================
// --- definition_value_return_type.h
union U {};
auto foo() -> U;
// --- import_definition_value_return_type.carbon
library "[[@TEST_NAME]]";
import Cpp library "definition_value_return_type.h";
fn F() {
//@dump-sem-ir-begin
Cpp.foo();
//@dump-sem-ir-end
}
// ============================================================================
// Pointer to forward-declared union as return type
// ============================================================================
// --- decl_pointer_return_type.h
union U;
auto foo() -> U* _Nonnull;
// --- import_decl_pointer_return_type.carbon
library "[[@TEST_NAME]]";
import Cpp library "decl_pointer_return_type.h";
fn F() {
//@dump-sem-ir-begin
Cpp.foo();
//@dump-sem-ir-end
}
// ============================================================================
// Pointer to defined union as return type
// ============================================================================
// --- definition_pointer_return_type.h
union U {};
auto foo() -> U* _Nonnull;
// --- import_definition_pointer_return_type.carbon
library "[[@TEST_NAME]]";
import Cpp library "definition_pointer_return_type.h";
fn F() {
//@dump-sem-ir-begin
Cpp.foo();
//@dump-sem-ir-end
}
// CHECK:STDOUT: --- import_definition_no_data_members_value_param_type.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %U: type = class_type @U [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %foo.cpp_overload_set.type: type = cpp_overload_set_type @foo.cpp_overload_set [concrete]
// CHECK:STDOUT: %foo.cpp_overload_set.value: %foo.cpp_overload_set.type = cpp_overload_set_value @foo.cpp_overload_set [concrete]
// CHECK:STDOUT: %ptr.b3b: type = ptr_type %U [concrete]
// CHECK:STDOUT: %foo__carbon_thunk.type: type = fn_type @foo__carbon_thunk [concrete]
// CHECK:STDOUT: %foo__carbon_thunk: %foo__carbon_thunk.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .U = %U.decl
// CHECK:STDOUT: .foo = %foo.cpp_overload_set.value
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %U.decl: type = class_decl @U [concrete = constants.%U] {} {}
// CHECK:STDOUT: %foo.cpp_overload_set.value: %foo.cpp_overload_set.type = cpp_overload_set_value @foo.cpp_overload_set [concrete = constants.%foo.cpp_overload_set.value]
// CHECK:STDOUT: %foo__carbon_thunk.decl: %foo__carbon_thunk.type = fn_decl @foo__carbon_thunk [concrete = constants.%foo__carbon_thunk] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F(%u.param: %U) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref.loc8: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref: %foo.cpp_overload_set.type = name_ref foo, imports.%foo.cpp_overload_set.value [concrete = constants.%foo.cpp_overload_set.value]
// CHECK:STDOUT: %u.ref: %U = name_ref u, %u
// CHECK:STDOUT: %.loc8: ref %U = value_as_ref %u.ref
// CHECK:STDOUT: %addr: %ptr.b3b = addr_of %.loc8
// CHECK:STDOUT: %foo__carbon_thunk.call: init %empty_tuple.type = call imports.%foo__carbon_thunk.decl(%addr)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_definition_single_data_member_value_param_type.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %U: type = class_type @U [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %foo.cpp_overload_set.type: type = cpp_overload_set_type @foo.cpp_overload_set [concrete]
// CHECK:STDOUT: %foo.cpp_overload_set.value: %foo.cpp_overload_set.type = cpp_overload_set_value @foo.cpp_overload_set [concrete]
// CHECK:STDOUT: %ptr.b3b: type = ptr_type %U [concrete]
// CHECK:STDOUT: %foo__carbon_thunk.type: type = fn_type @foo__carbon_thunk [concrete]
// CHECK:STDOUT: %foo__carbon_thunk: %foo__carbon_thunk.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .U = %U.decl
// CHECK:STDOUT: .foo = %foo.cpp_overload_set.value
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %U.decl: type = class_decl @U [concrete = constants.%U] {} {}
// CHECK:STDOUT: %foo.cpp_overload_set.value: %foo.cpp_overload_set.type = cpp_overload_set_value @foo.cpp_overload_set [concrete = constants.%foo.cpp_overload_set.value]
// CHECK:STDOUT: %foo__carbon_thunk.decl: %foo__carbon_thunk.type = fn_decl @foo__carbon_thunk [concrete = constants.%foo__carbon_thunk] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F(%u.param: %U) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref.loc8: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref: %foo.cpp_overload_set.type = name_ref foo, imports.%foo.cpp_overload_set.value [concrete = constants.%foo.cpp_overload_set.value]
// CHECK:STDOUT: %u.ref: %U = name_ref u, %u
// CHECK:STDOUT: %.loc8: ref %U = value_as_ref %u.ref
// CHECK:STDOUT: %addr: %ptr.b3b = addr_of %.loc8
// CHECK:STDOUT: %foo__carbon_thunk.call: init %empty_tuple.type = call imports.%foo__carbon_thunk.decl(%addr)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_definition_multiple_data_members_value_param_type.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %U: type = class_type @U [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %foo.cpp_overload_set.type: type = cpp_overload_set_type @foo.cpp_overload_set [concrete]
// CHECK:STDOUT: %foo.cpp_overload_set.value: %foo.cpp_overload_set.type = cpp_overload_set_value @foo.cpp_overload_set [concrete]
// CHECK:STDOUT: %ptr.b3b: type = ptr_type %U [concrete]
// CHECK:STDOUT: %foo__carbon_thunk.type: type = fn_type @foo__carbon_thunk [concrete]
// CHECK:STDOUT: %foo__carbon_thunk: %foo__carbon_thunk.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .U = %U.decl
// CHECK:STDOUT: .foo = %foo.cpp_overload_set.value
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %U.decl: type = class_decl @U [concrete = constants.%U] {} {}
// CHECK:STDOUT: %foo.cpp_overload_set.value: %foo.cpp_overload_set.type = cpp_overload_set_value @foo.cpp_overload_set [concrete = constants.%foo.cpp_overload_set.value]
// CHECK:STDOUT: %foo__carbon_thunk.decl: %foo__carbon_thunk.type = fn_decl @foo__carbon_thunk [concrete = constants.%foo__carbon_thunk] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F(%u.param: %U) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref.loc8: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref: %foo.cpp_overload_set.type = name_ref foo, imports.%foo.cpp_overload_set.value [concrete = constants.%foo.cpp_overload_set.value]
// CHECK:STDOUT: %u.ref: %U = name_ref u, %u
// CHECK:STDOUT: %.loc8: ref %U = value_as_ref %u.ref
// CHECK:STDOUT: %addr: %ptr.b3b = addr_of %.loc8
// CHECK:STDOUT: %foo__carbon_thunk.call: init %empty_tuple.type = call imports.%foo__carbon_thunk.decl(%addr)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_definition_in_namespace_value_param_type.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %U: type = class_type @U [concrete]
// CHECK:STDOUT: %pattern_type.769: type = pattern_type %U [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %foo.cpp_overload_set.type: type = cpp_overload_set_type @foo.cpp_overload_set [concrete]
// CHECK:STDOUT: %foo.cpp_overload_set.value: %foo.cpp_overload_set.type = cpp_overload_set_value @foo.cpp_overload_set [concrete]
// CHECK:STDOUT: %ptr.987: type = ptr_type %U [concrete]
// CHECK:STDOUT: %foo__carbon_thunk.type: type = fn_type @foo__carbon_thunk [concrete]
// CHECK:STDOUT: %foo__carbon_thunk: %foo__carbon_thunk.type = struct_value () [concrete]
// CHECK:STDOUT: %DefaultOrUnformed.type: type = facet_type <@DefaultOrUnformed> [concrete]
// CHECK:STDOUT: %Default.type: type = facet_type <@Default> [concrete]
// CHECK:STDOUT: %T.4ca: %Default.type = symbolic_binding T, 0 [symbolic]
// CHECK:STDOUT: %T.as_type.as.DefaultOrUnformed.impl.Op.type.47c: type = fn_type @T.as_type.as.DefaultOrUnformed.impl.Op, @T.as_type.as.DefaultOrUnformed.impl(%T.4ca) [symbolic]
// CHECK:STDOUT: %T.as_type.as.DefaultOrUnformed.impl.Op.25a: %T.as_type.as.DefaultOrUnformed.impl.Op.type.47c = struct_value () [symbolic]
// CHECK:STDOUT: %U.Op.type: type = fn_type @U.Op [concrete]
// CHECK:STDOUT: %U.Op: %U.Op.type = struct_value () [concrete]
// CHECK:STDOUT: %custom_witness.3d0: <witness> = custom_witness (%U.Op), @Default [concrete]
// CHECK:STDOUT: %Default.facet.f66: %Default.type = facet_value %U, (%custom_witness.3d0) [concrete]
// CHECK:STDOUT: %DefaultOrUnformed.impl_witness.9ec: <witness> = impl_witness imports.%DefaultOrUnformed.impl_witness_table.b72, @T.as_type.as.DefaultOrUnformed.impl(%Default.facet.f66) [concrete]
// CHECK:STDOUT: %DefaultOrUnformed.facet: %DefaultOrUnformed.type = facet_value %U, (%DefaultOrUnformed.impl_witness.9ec) [concrete]
// CHECK:STDOUT: %U.cpp_destructor.type: type = fn_type @U.cpp_destructor [concrete]
// CHECK:STDOUT: %U.cpp_destructor: %U.cpp_destructor.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .N = %N
// CHECK:STDOUT: .foo = %foo.cpp_overload_set.value
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %N: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .U = %U.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %U.decl: type = class_decl @U [concrete = constants.%U] {} {}
// CHECK:STDOUT: %foo.cpp_overload_set.value: %foo.cpp_overload_set.type = cpp_overload_set_value @foo.cpp_overload_set [concrete = constants.%foo.cpp_overload_set.value]
// CHECK:STDOUT: %foo__carbon_thunk.decl: %foo__carbon_thunk.type = fn_decl @foo__carbon_thunk [concrete = constants.%foo__carbon_thunk] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import_ref.dfa: @T.as_type.as.DefaultOrUnformed.impl.%T.as_type.as.DefaultOrUnformed.impl.Op.type (%T.as_type.as.DefaultOrUnformed.impl.Op.type.47c) = import_ref Core//prelude/parts/default, loc{{\d+_\d+}}, loaded [symbolic = @T.as_type.as.DefaultOrUnformed.impl.%T.as_type.as.DefaultOrUnformed.impl.Op (constants.%T.as_type.as.DefaultOrUnformed.impl.Op.25a)]
// CHECK:STDOUT: %DefaultOrUnformed.impl_witness_table.b72 = impl_witness_table (%Core.import_ref.dfa), @T.as_type.as.DefaultOrUnformed.impl [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F(%u.param: %U) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref.loc8: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref: %foo.cpp_overload_set.type = name_ref foo, imports.%foo.cpp_overload_set.value [concrete = constants.%foo.cpp_overload_set.value]
// CHECK:STDOUT: %u.ref: %U = name_ref u, %u
// CHECK:STDOUT: %.loc8: ref %U = value_as_ref %u.ref
// CHECK:STDOUT: %addr: %ptr.987 = addr_of %.loc8
// CHECK:STDOUT: %foo__carbon_thunk.call: init %empty_tuple.type = call imports.%foo__carbon_thunk.decl(%addr)
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %x.patt: %pattern_type.769 = ref_binding_pattern x [concrete]
// CHECK:STDOUT: %x.var_patt: %pattern_type.769 = var_pattern %x.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %x.var: ref %U = var %x.var_patt
// CHECK:STDOUT: %DefaultOrUnformed.facet: %DefaultOrUnformed.type = facet_value constants.%U, (constants.%DefaultOrUnformed.impl_witness.9ec) [concrete = constants.%DefaultOrUnformed.facet]
// CHECK:STDOUT: %.loc10_24.1: %DefaultOrUnformed.type = converted constants.%U, %DefaultOrUnformed.facet [concrete = constants.%DefaultOrUnformed.facet]
// CHECK:STDOUT: %as_type: type = facet_access_type %.loc10_24.1 [concrete = constants.%U]
// CHECK:STDOUT: %.loc10_24.2: type = converted %.loc10_24.1, %as_type [concrete = constants.%U]
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %.loc10_3: ref %U = splice_block %x.var {}
// CHECK:STDOUT: %T.as_type.as.DefaultOrUnformed.impl.Op.call: init %U to %.loc10_3 = call %T.as_type.as.DefaultOrUnformed.impl.Op.specific_fn()
// CHECK:STDOUT: assign %x.var, %T.as_type.as.DefaultOrUnformed.impl.Op.call
// CHECK:STDOUT: %.loc10_22: type = splice_block %U.ref.loc10 [concrete = constants.%U] {
// CHECK:STDOUT: %Cpp.ref.loc10: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %N.ref.loc10: <namespace> = name_ref N, imports.%N [concrete = imports.%N]
// CHECK:STDOUT: %U.ref.loc10: type = name_ref U, imports.%U.decl [concrete = constants.%U]
// CHECK:STDOUT: }
// CHECK:STDOUT: %x: ref %U = ref_binding x, %x.var
// CHECK:STDOUT: %U.cpp_destructor.bound: <bound method> = bound_method %x.var, constants.%U.cpp_destructor
// CHECK:STDOUT: %U.cpp_destructor.call: init %empty_tuple.type = call %U.cpp_destructor.bound(%x.var)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_definition_in_relative_namespace_value_param_type.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %U: type = class_type @U [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %foo.cpp_overload_set.type: type = cpp_overload_set_type @foo.cpp_overload_set [concrete]
// CHECK:STDOUT: %foo.cpp_overload_set.value: %foo.cpp_overload_set.type = cpp_overload_set_value @foo.cpp_overload_set [concrete]
// CHECK:STDOUT: %ptr.ff3: type = ptr_type %U [concrete]
// CHECK:STDOUT: %foo__carbon_thunk.type: type = fn_type @foo__carbon_thunk [concrete]
// CHECK:STDOUT: %foo__carbon_thunk: %foo__carbon_thunk.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .N1 = %N1
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %N1: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .N2 = %N2
// CHECK:STDOUT: .foo = %foo.cpp_overload_set.value
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %N2: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .U = %U.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %U.decl: type = class_decl @U [concrete = constants.%U] {} {}
// CHECK:STDOUT: %foo.cpp_overload_set.value: %foo.cpp_overload_set.type = cpp_overload_set_value @foo.cpp_overload_set [concrete = constants.%foo.cpp_overload_set.value]
// CHECK:STDOUT: %foo__carbon_thunk.decl: %foo__carbon_thunk.type = fn_decl @foo__carbon_thunk [concrete = constants.%foo__carbon_thunk] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F(%u.param: %U) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref.loc8: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %N1.ref.loc8: <namespace> = name_ref N1, imports.%N1 [concrete = imports.%N1]
// CHECK:STDOUT: %foo.ref: %foo.cpp_overload_set.type = name_ref foo, imports.%foo.cpp_overload_set.value [concrete = constants.%foo.cpp_overload_set.value]
// CHECK:STDOUT: %u.ref: %U = name_ref u, %u
// CHECK:STDOUT: %.loc8: ref %U = value_as_ref %u.ref
// CHECK:STDOUT: %addr: %ptr.ff3 = addr_of %.loc8
// CHECK:STDOUT: %foo__carbon_thunk.call: init %empty_tuple.type = call imports.%foo__carbon_thunk.decl(%addr)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_definition_in_outer_definition.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %O: type = class_type @O [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %U: type = class_type @U [concrete]
// CHECK:STDOUT: %foo.cpp_overload_set.type: type = cpp_overload_set_type @foo.cpp_overload_set [concrete]
// CHECK:STDOUT: %foo.cpp_overload_set.value: %foo.cpp_overload_set.type = cpp_overload_set_value @foo.cpp_overload_set [concrete]
// CHECK:STDOUT: %ptr.5aa: type = ptr_type %U [concrete]
// CHECK:STDOUT: %foo__carbon_thunk.type: type = fn_type @foo__carbon_thunk [concrete]
// CHECK:STDOUT: %foo__carbon_thunk: %foo__carbon_thunk.type = struct_value () [concrete]
// CHECK:STDOUT: %pattern_type.554: type = pattern_type %O [concrete]
// CHECK:STDOUT: %DefaultOrUnformed.type: type = facet_type <@DefaultOrUnformed> [concrete]
// CHECK:STDOUT: %Default.type: type = facet_type <@Default> [concrete]
// CHECK:STDOUT: %T.4ca: %Default.type = symbolic_binding T, 0 [symbolic]
// CHECK:STDOUT: %T.as_type.as.DefaultOrUnformed.impl.Op.type.47c: type = fn_type @T.as_type.as.DefaultOrUnformed.impl.Op, @T.as_type.as.DefaultOrUnformed.impl(%T.4ca) [symbolic]
// CHECK:STDOUT: %T.as_type.as.DefaultOrUnformed.impl.Op.25a: %T.as_type.as.DefaultOrUnformed.impl.Op.type.47c = struct_value () [symbolic]
// CHECK:STDOUT: %O.Op.type: type = fn_type @O.Op [concrete]
// CHECK:STDOUT: %O.Op: %O.Op.type = struct_value () [concrete]
// CHECK:STDOUT: %custom_witness.213: <witness> = custom_witness (%O.Op), @Default [concrete]
// CHECK:STDOUT: %Default.facet.478: %Default.type = facet_value %O, (%custom_witness.213) [concrete]
// CHECK:STDOUT: %DefaultOrUnformed.impl_witness.1cc: <witness> = impl_witness imports.%DefaultOrUnformed.impl_witness_table.b72, @T.as_type.as.DefaultOrUnformed.impl(%Default.facet.478) [concrete]
// CHECK:STDOUT: %DefaultOrUnformed.facet: %DefaultOrUnformed.type = facet_value %O, (%DefaultOrUnformed.impl_witness.1cc) [concrete]
// CHECK:STDOUT: %O.cpp_destructor.type: type = fn_type @O.cpp_destructor [concrete]
// CHECK:STDOUT: %O.cpp_destructor: %O.cpp_destructor.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .O = %O.decl
// CHECK:STDOUT: .foo = %foo.cpp_overload_set.value
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %O.decl: type = class_decl @O [concrete = constants.%O] {} {}
// CHECK:STDOUT: %foo.cpp_overload_set.value: %foo.cpp_overload_set.type = cpp_overload_set_value @foo.cpp_overload_set [concrete = constants.%foo.cpp_overload_set.value]
// CHECK:STDOUT: %foo__carbon_thunk.decl: %foo__carbon_thunk.type = fn_decl @foo__carbon_thunk [concrete = constants.%foo__carbon_thunk] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import_ref.dfa: @T.as_type.as.DefaultOrUnformed.impl.%T.as_type.as.DefaultOrUnformed.impl.Op.type (%T.as_type.as.DefaultOrUnformed.impl.Op.type.47c) = import_ref Core//prelude/parts/default, loc{{\d+_\d+}}, loaded [symbolic = @T.as_type.as.DefaultOrUnformed.impl.%T.as_type.as.DefaultOrUnformed.impl.Op (constants.%T.as_type.as.DefaultOrUnformed.impl.Op.25a)]
// CHECK:STDOUT: %DefaultOrUnformed.impl_witness_table.b72 = impl_witness_table (%Core.import_ref.dfa), @T.as_type.as.DefaultOrUnformed.impl [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F(%u.param: %U) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref.loc8: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref: %foo.cpp_overload_set.type = name_ref foo, imports.%foo.cpp_overload_set.value [concrete = constants.%foo.cpp_overload_set.value]
// CHECK:STDOUT: %u.ref: %U = name_ref u, %u
// CHECK:STDOUT: %.loc8: ref %U = value_as_ref %u.ref
// CHECK:STDOUT: %addr: %ptr.5aa = addr_of %.loc8
// CHECK:STDOUT: %foo__carbon_thunk.call: init %empty_tuple.type = call imports.%foo__carbon_thunk.decl(%addr)
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %x.patt: %pattern_type.554 = ref_binding_pattern x [concrete]
// CHECK:STDOUT: %x.var_patt: %pattern_type.554 = var_pattern %x.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %x.var: ref %O = var %x.var_patt
// CHECK:STDOUT: %DefaultOrUnformed.facet: %DefaultOrUnformed.type = facet_value constants.%O, (constants.%DefaultOrUnformed.impl_witness.1cc) [concrete = constants.%DefaultOrUnformed.facet]
// CHECK:STDOUT: %.loc9_22.1: %DefaultOrUnformed.type = converted constants.%O, %DefaultOrUnformed.facet [concrete = constants.%DefaultOrUnformed.facet]
// CHECK:STDOUT: %as_type: type = facet_access_type %.loc9_22.1 [concrete = constants.%O]
// CHECK:STDOUT: %.loc9_22.2: type = converted %.loc9_22.1, %as_type [concrete = constants.%O]
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %.loc9_3: ref %O = splice_block %x.var {}
// CHECK:STDOUT: %T.as_type.as.DefaultOrUnformed.impl.Op.call: init %O to %.loc9_3 = call %T.as_type.as.DefaultOrUnformed.impl.Op.specific_fn()
// CHECK:STDOUT: assign %x.var, %T.as_type.as.DefaultOrUnformed.impl.Op.call
// CHECK:STDOUT: %.loc9_20: type = splice_block %O.ref.loc9 [concrete = constants.%O] {
// CHECK:STDOUT: %Cpp.ref.loc9: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %O.ref.loc9: type = name_ref O, imports.%O.decl [concrete = constants.%O]
// CHECK:STDOUT: }
// CHECK:STDOUT: %x: ref %O = ref_binding x, %x.var
// CHECK:STDOUT: %O.cpp_destructor.bound: <bound method> = bound_method %x.var, constants.%O.cpp_destructor
// CHECK:STDOUT: %O.cpp_destructor.call: init %empty_tuple.type = call %O.cpp_destructor.bound(%x.var)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_definition_and_static_method_call_before.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %U: type = class_type @U [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %U.bar.cpp_overload_set.type: type = cpp_overload_set_type @U.bar.cpp_overload_set [concrete]
// CHECK:STDOUT: %U.bar.cpp_overload_set.value: %U.bar.cpp_overload_set.type = cpp_overload_set_value @U.bar.cpp_overload_set [concrete]
// CHECK:STDOUT: %U.bar.type: type = fn_type @U.bar [concrete]
// CHECK:STDOUT: %U.bar: %U.bar.type = struct_value () [concrete]
// CHECK:STDOUT: %foo.cpp_overload_set.type: type = cpp_overload_set_type @foo.cpp_overload_set [concrete]
// CHECK:STDOUT: %foo.cpp_overload_set.value: %foo.cpp_overload_set.type = cpp_overload_set_value @foo.cpp_overload_set [concrete]
// CHECK:STDOUT: %ptr.b3b: type = ptr_type %U [concrete]
// CHECK:STDOUT: %foo__carbon_thunk.type: type = fn_type @foo__carbon_thunk [concrete]
// CHECK:STDOUT: %foo__carbon_thunk: %foo__carbon_thunk.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .U = %U.decl
// CHECK:STDOUT: .foo = %foo.cpp_overload_set.value
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %U.decl: type = class_decl @U [concrete = constants.%U] {} {}
// CHECK:STDOUT: %U.bar.cpp_overload_set.value: %U.bar.cpp_overload_set.type = cpp_overload_set_value @U.bar.cpp_overload_set [concrete = constants.%U.bar.cpp_overload_set.value]
// CHECK:STDOUT: %U.bar.decl: %U.bar.type = fn_decl @U.bar [concrete = constants.%U.bar] {} {}
// CHECK:STDOUT: %foo.cpp_overload_set.value: %foo.cpp_overload_set.type = cpp_overload_set_value @foo.cpp_overload_set [concrete = constants.%foo.cpp_overload_set.value]
// CHECK:STDOUT: %foo__carbon_thunk.decl: %foo__carbon_thunk.type = fn_decl @foo__carbon_thunk [concrete = constants.%foo__carbon_thunk] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F(%u.param: %U) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref.loc8: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %U.ref.loc8: type = name_ref U, imports.%U.decl [concrete = constants.%U]
// CHECK:STDOUT: %bar.ref: %U.bar.cpp_overload_set.type = name_ref bar, imports.%U.bar.cpp_overload_set.value [concrete = constants.%U.bar.cpp_overload_set.value]
// CHECK:STDOUT: %U.bar.call: init %empty_tuple.type = call imports.%U.bar.decl()
// CHECK:STDOUT: %Cpp.ref.loc9: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref: %foo.cpp_overload_set.type = name_ref foo, imports.%foo.cpp_overload_set.value [concrete = constants.%foo.cpp_overload_set.value]
// CHECK:STDOUT: %u.ref: %U = name_ref u, %u
// CHECK:STDOUT: %.loc9: ref %U = value_as_ref %u.ref
// CHECK:STDOUT: %addr: %ptr.b3b = addr_of %.loc9
// CHECK:STDOUT: %foo__carbon_thunk.call: init %empty_tuple.type = call imports.%foo__carbon_thunk.decl(%addr)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_definition_and_static_method_call_after.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %U: type = class_type @U [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %foo.cpp_overload_set.type: type = cpp_overload_set_type @foo.cpp_overload_set [concrete]
// CHECK:STDOUT: %foo.cpp_overload_set.value: %foo.cpp_overload_set.type = cpp_overload_set_value @foo.cpp_overload_set [concrete]
// CHECK:STDOUT: %ptr.b3b: type = ptr_type %U [concrete]
// CHECK:STDOUT: %foo__carbon_thunk.type: type = fn_type @foo__carbon_thunk [concrete]
// CHECK:STDOUT: %foo__carbon_thunk: %foo__carbon_thunk.type = struct_value () [concrete]
// CHECK:STDOUT: %U.bar.cpp_overload_set.type: type = cpp_overload_set_type @U.bar.cpp_overload_set [concrete]
// CHECK:STDOUT: %U.bar.cpp_overload_set.value: %U.bar.cpp_overload_set.type = cpp_overload_set_value @U.bar.cpp_overload_set [concrete]
// CHECK:STDOUT: %U.bar.type: type = fn_type @U.bar [concrete]
// CHECK:STDOUT: %U.bar: %U.bar.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .U = %U.decl
// CHECK:STDOUT: .foo = %foo.cpp_overload_set.value
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %U.decl: type = class_decl @U [concrete = constants.%U] {} {}
// CHECK:STDOUT: %foo.cpp_overload_set.value: %foo.cpp_overload_set.type = cpp_overload_set_value @foo.cpp_overload_set [concrete = constants.%foo.cpp_overload_set.value]
// CHECK:STDOUT: %foo__carbon_thunk.decl: %foo__carbon_thunk.type = fn_decl @foo__carbon_thunk [concrete = constants.%foo__carbon_thunk] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: %U.bar.cpp_overload_set.value: %U.bar.cpp_overload_set.type = cpp_overload_set_value @U.bar.cpp_overload_set [concrete = constants.%U.bar.cpp_overload_set.value]
// CHECK:STDOUT: %U.bar.decl: %U.bar.type = fn_decl @U.bar [concrete = constants.%U.bar] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F(%u.param: %U) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref.loc8: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref: %foo.cpp_overload_set.type = name_ref foo, imports.%foo.cpp_overload_set.value [concrete = constants.%foo.cpp_overload_set.value]
// CHECK:STDOUT: %u.ref: %U = name_ref u, %u
// CHECK:STDOUT: %.loc8: ref %U = value_as_ref %u.ref
// CHECK:STDOUT: %addr: %ptr.b3b = addr_of %.loc8
// CHECK:STDOUT: %foo__carbon_thunk.call: init %empty_tuple.type = call imports.%foo__carbon_thunk.decl(%addr)
// CHECK:STDOUT: %Cpp.ref.loc9: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %U.ref.loc9: type = name_ref U, imports.%U.decl [concrete = constants.%U]
// CHECK:STDOUT: %bar.ref: %U.bar.cpp_overload_set.type = name_ref bar, imports.%U.bar.cpp_overload_set.value [concrete = constants.%U.bar.cpp_overload_set.value]
// CHECK:STDOUT: %U.bar.call: init %empty_tuple.type = call imports.%U.bar.decl()
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_decl_pointer_param_type.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %U: type = class_type @U [concrete]
// CHECK:STDOUT: %ptr: type = ptr_type %U [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %foo.cpp_overload_set.type: type = cpp_overload_set_type @foo.cpp_overload_set [concrete]
// 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: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .U = %U.decl
// CHECK:STDOUT: .foo = %foo.cpp_overload_set.value
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %U.decl: type = class_decl @U [concrete = constants.%U] {} {}
// CHECK:STDOUT: %foo.cpp_overload_set.value: %foo.cpp_overload_set.type = cpp_overload_set_value @foo.cpp_overload_set [concrete = constants.%foo.cpp_overload_set.value]
// CHECK:STDOUT: %foo.decl: %foo.type = fn_decl @foo [concrete = constants.%foo] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F(%u.param: %ptr) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref.loc8: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref: %foo.cpp_overload_set.type = name_ref foo, imports.%foo.cpp_overload_set.value [concrete = constants.%foo.cpp_overload_set.value]
// CHECK:STDOUT: %u.ref: %ptr = name_ref u, %u
// CHECK:STDOUT: %foo.call: init %empty_tuple.type = call imports.%foo.decl(%u.ref)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_definition_pointer_param_type.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %U: type = class_type @U [concrete]
// CHECK:STDOUT: %ptr: type = ptr_type %U [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %foo.cpp_overload_set.type: type = cpp_overload_set_type @foo.cpp_overload_set [concrete]
// 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: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .U = %U.decl
// CHECK:STDOUT: .foo = %foo.cpp_overload_set.value
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %U.decl: type = class_decl @U [concrete = constants.%U] {} {}
// CHECK:STDOUT: %foo.cpp_overload_set.value: %foo.cpp_overload_set.type = cpp_overload_set_value @foo.cpp_overload_set [concrete = constants.%foo.cpp_overload_set.value]
// CHECK:STDOUT: %foo.decl: %foo.type = fn_decl @foo [concrete = constants.%foo] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F(%u.param: %ptr) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref.loc8: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref: %foo.cpp_overload_set.type = name_ref foo, imports.%foo.cpp_overload_set.value [concrete = constants.%foo.cpp_overload_set.value]
// CHECK:STDOUT: %u.ref: %ptr = name_ref u, %u
// CHECK:STDOUT: %foo.call: init %empty_tuple.type = call imports.%foo.decl(%u.ref)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_definition_value_return_type.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %foo.cpp_overload_set.type: type = cpp_overload_set_type @foo.cpp_overload_set [concrete]
// CHECK:STDOUT: %foo.cpp_overload_set.value: %foo.cpp_overload_set.type = cpp_overload_set_value @foo.cpp_overload_set [concrete]
// CHECK:STDOUT: %U: type = class_type @U [concrete]
// CHECK:STDOUT: %ptr.b3b: type = ptr_type %U [concrete]
// CHECK:STDOUT: %foo__carbon_thunk.type: type = fn_type @foo__carbon_thunk [concrete]
// CHECK:STDOUT: %foo__carbon_thunk: %foo__carbon_thunk.type = struct_value () [concrete]
// CHECK:STDOUT: %U.cpp_destructor.type: type = fn_type @U.cpp_destructor [concrete]
// CHECK:STDOUT: %U.cpp_destructor: %U.cpp_destructor.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .foo = %foo.cpp_overload_set.value
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %foo.cpp_overload_set.value: %foo.cpp_overload_set.type = cpp_overload_set_value @foo.cpp_overload_set [concrete = constants.%foo.cpp_overload_set.value]
// CHECK:STDOUT: %foo__carbon_thunk.decl: %foo__carbon_thunk.type = fn_decl @foo__carbon_thunk [concrete = constants.%foo__carbon_thunk] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref: %foo.cpp_overload_set.type = name_ref foo, imports.%foo.cpp_overload_set.value [concrete = constants.%foo.cpp_overload_set.value]
// CHECK:STDOUT: %.loc8_11.1: ref %U = temporary_storage
// CHECK:STDOUT: %addr: %ptr.b3b = addr_of %.loc8_11.1
// CHECK:STDOUT: %foo__carbon_thunk.call: init %empty_tuple.type = call imports.%foo__carbon_thunk.decl(%addr)
// CHECK:STDOUT: %.loc8_11.2: init %U to %.loc8_11.1 = mark_in_place_init %foo__carbon_thunk.call
// CHECK:STDOUT: %.loc8_11.3: ref %U = temporary %.loc8_11.1, %.loc8_11.2
// CHECK:STDOUT: %U.cpp_destructor.bound: <bound method> = bound_method %.loc8_11.3, constants.%U.cpp_destructor
// CHECK:STDOUT: %U.cpp_destructor.call: init %empty_tuple.type = call %U.cpp_destructor.bound(%.loc8_11.3)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_decl_pointer_return_type.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %foo.cpp_overload_set.type: type = cpp_overload_set_type @foo.cpp_overload_set [concrete]
// CHECK:STDOUT: %foo.cpp_overload_set.value: %foo.cpp_overload_set.type = cpp_overload_set_value @foo.cpp_overload_set [concrete]
// CHECK:STDOUT: %U: type = class_type @U [concrete]
// CHECK:STDOUT: %ptr: type = ptr_type %U [concrete]
// CHECK:STDOUT: %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT: %foo: %foo.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .foo = %foo.cpp_overload_set.value
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %foo.cpp_overload_set.value: %foo.cpp_overload_set.type = cpp_overload_set_value @foo.cpp_overload_set [concrete = constants.%foo.cpp_overload_set.value]
// CHECK:STDOUT: %foo.decl: %foo.type = fn_decl @foo [concrete = constants.%foo] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref: %foo.cpp_overload_set.type = name_ref foo, imports.%foo.cpp_overload_set.value [concrete = constants.%foo.cpp_overload_set.value]
// CHECK:STDOUT: %foo.call: init %ptr = call imports.%foo.decl()
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_definition_pointer_return_type.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %foo.cpp_overload_set.type: type = cpp_overload_set_type @foo.cpp_overload_set [concrete]
// CHECK:STDOUT: %foo.cpp_overload_set.value: %foo.cpp_overload_set.type = cpp_overload_set_value @foo.cpp_overload_set [concrete]
// CHECK:STDOUT: %U: type = class_type @U [concrete]
// CHECK:STDOUT: %ptr: type = ptr_type %U [concrete]
// CHECK:STDOUT: %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT: %foo: %foo.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .foo = %foo.cpp_overload_set.value
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %foo.cpp_overload_set.value: %foo.cpp_overload_set.type = cpp_overload_set_value @foo.cpp_overload_set [concrete = constants.%foo.cpp_overload_set.value]
// CHECK:STDOUT: %foo.decl: %foo.type = fn_decl @foo [concrete = constants.%foo] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref: %foo.cpp_overload_set.type = name_ref foo, imports.%foo.cpp_overload_set.value [concrete = constants.%foo.cpp_overload_set.value]
// CHECK:STDOUT: %foo.call: init %ptr = call imports.%foo.decl()
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: