Support a C++ class as a parameter or return by value, similar to a C++ struct (#5709)

Add tests for C++ `union`.
Also fix some typos in `class` tests and remove SemIR ranges from tests
that should diagnose an error.

Part of #5533.
This commit is contained in:
Boaz Brickner
2025-06-23 19:30:56 +00:00
committed by GitHub
parent 8aedcbcabd
commit 20f44e0a92
3 changed files with 941 additions and 153 deletions
+198 -139
View File
@@ -27,8 +27,13 @@ library "[[@TEST_NAME]]";
import Cpp library "decl_value_param_type.h";
fn F() {
//@dump-sem-ir-begin
// TODO: This should fail on the fact `C` is declared and not defined.
// CHECK:STDERR: fail_todo_import_decl_value_param_type.carbon:[[@LINE+14]]:3: error: semantics TODO: `Unsupported: Record declarations without a definition` [SemanticsTodo]
// CHECK:STDERR: Cpp.foo({});
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: fail_todo_import_decl_value_param_type.carbon:[[@LINE+11]]:3: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
// CHECK:STDERR: Cpp.foo({});
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
// CHECK:STDERR: fail_todo_import_decl_value_param_type.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: parameter type: class C` [SemanticsTodo]
// CHECK:STDERR: Cpp.foo({});
// CHECK:STDERR: ^~~~~~~
@@ -37,7 +42,6 @@ fn F() {
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
Cpp.foo({});
//@dump-sem-ir-end
}
// ============================================================================
@@ -50,7 +54,7 @@ class C {};
auto foo(C) -> void;
// --- fail_todo_import_definition_no_data_members_value_param_type.carbon
// --- import_definition_no_data_members_value_param_type.carbon
library "[[@TEST_NAME]]";
@@ -58,13 +62,6 @@ import Cpp library "definition_no_data_members_value_param_type.h";
fn F() {
//@dump-sem-ir-begin
// CHECK:STDERR: fail_todo_import_definition_no_data_members_value_param_type.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: parameter type: class C` [SemanticsTodo]
// CHECK:STDERR: Cpp.foo({});
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: fail_todo_import_definition_no_data_members_value_param_type.carbon:[[@LINE+4]]:3: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
// CHECK:STDERR: Cpp.foo({});
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
Cpp.foo({});
//@dump-sem-ir-end
}
@@ -83,7 +80,7 @@ class C {
auto foo(C) -> void;
// --- fail_todo_import_definition_single_data_member_value_param_type.carbon
// --- import_definition_single_data_member_value_param_type.carbon
library "[[@TEST_NAME]]";
@@ -91,13 +88,6 @@ import Cpp library "definition_single_data_member_value_param_type.h";
fn F() {
//@dump-sem-ir-begin
// CHECK:STDERR: fail_todo_import_definition_single_data_member_value_param_type.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: parameter type: class C` [SemanticsTodo]
// CHECK:STDERR: Cpp.foo({});
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: fail_todo_import_definition_single_data_member_value_param_type.carbon:[[@LINE+4]]:3: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
// CHECK:STDERR: Cpp.foo({});
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
Cpp.foo({});
//@dump-sem-ir-end
}
@@ -118,7 +108,7 @@ class C {
auto foo(C) -> void;
// --- fail_todo_import_definition_multiple_data_members_value_param_type.carbon
// --- import_definition_multiple_data_members_value_param_type.carbon
library "[[@TEST_NAME]]";
@@ -126,13 +116,6 @@ import Cpp library "definition_multiple_data_members_value_param_type.h";
fn F() {
//@dump-sem-ir-begin
// CHECK:STDERR: fail_todo_import_definition_multiple_data_members_value_param_type.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: parameter type: class C` [SemanticsTodo]
// CHECK:STDERR: Cpp.foo({});
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: fail_todo_import_definition_multiple_data_members_value_param_type.carbon:[[@LINE+4]]:3: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
// CHECK:STDERR: Cpp.foo({});
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
Cpp.foo({});
//@dump-sem-ir-end
}
@@ -147,7 +130,7 @@ namespace N { class C {}; }
auto foo(N::C) -> void;
// --- fail_todo_import_definition_in_namespace_value_param_type.carbon
// --- import_definition_in_namespace_value_param_type.carbon
library "[[@TEST_NAME]]";
@@ -155,13 +138,6 @@ import Cpp library "definition_in_namespace_value_param_type.h";
fn F() {
//@dump-sem-ir-begin
// CHECK:STDERR: fail_todo_import_definition_in_namespace_value_param_type.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: parameter type: class N::C` [SemanticsTodo]
// CHECK:STDERR: Cpp.foo({});
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: fail_todo_import_definition_in_namespace_value_param_type.carbon:[[@LINE+4]]:3: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
// CHECK:STDERR: Cpp.foo({});
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
Cpp.foo({});
//@dump-sem-ir-end
}
@@ -177,7 +153,7 @@ namespace N1 {
auto foo(N2::C) -> void;
}
// --- fail_todo_import_definition_in_relative_namespace_value_param_type.carbon
// --- import_definition_in_relative_namespace_value_param_type.carbon
library "[[@TEST_NAME]]";
@@ -185,13 +161,6 @@ import Cpp library "definition_in_relative_namespace_value_param_type.h";
fn F() {
//@dump-sem-ir-begin
// CHECK:STDERR: fail_todo_import_definition_in_relative_namespace_value_param_type.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: parameter type: class N1::N2::C` [SemanticsTodo]
// CHECK:STDERR: Cpp.N1.foo({});
// CHECK:STDERR: ^~~~~~~~~~
// CHECK:STDERR: fail_todo_import_definition_in_relative_namespace_value_param_type.carbon:[[@LINE+4]]:3: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
// CHECK:STDERR: Cpp.N1.foo({});
// CHECK:STDERR: ^~~~~~~~~~
// CHECK:STDERR:
Cpp.N1.foo({});
//@dump-sem-ir-end
}
@@ -208,7 +177,7 @@ class C {
auto foo(C) -> void;
// --- fail_todo_import_definition_and_static_method_call_before.carbon
// --- import_definition_and_static_method_call_before.carbon
library "[[@TEST_NAME]]";
@@ -217,18 +186,11 @@ import Cpp library "definition_with_static_method.h";
fn F() {
//@dump-sem-ir-begin
Cpp.C.bar();
// CHECK:STDERR: fail_todo_import_definition_and_static_method_call_before.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: parameter type: class C` [SemanticsTodo]
// CHECK:STDERR: Cpp.foo({});
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: fail_todo_import_definition_and_static_method_call_before.carbon:[[@LINE+4]]:3: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
// CHECK:STDERR: Cpp.foo({});
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
Cpp.foo({});
//@dump-sem-ir-end
}
// --- fail_todo_import_definition_and_static_method_call_after.carbon
// --- import_definition_and_static_method_call_after.carbon
library "[[@TEST_NAME]]";
@@ -236,13 +198,6 @@ import Cpp library "definition_with_static_method.h";
fn F() {
//@dump-sem-ir-begin
// CHECK:STDERR: fail_todo_import_definition_and_static_method_call_after.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: parameter type: class C` [SemanticsTodo]
// CHECK:STDERR: Cpp.foo({});
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: fail_todo_import_definition_and_static_method_call_after.carbon:[[@LINE+4]]:3: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
// CHECK:STDERR: Cpp.foo({});
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
Cpp.foo({});
Cpp.C.bar();
//@dump-sem-ir-end
@@ -265,22 +220,22 @@ library "[[@TEST_NAME]]";
import Cpp library "decl_pointer_param_type.h";
// CHECK:STDERR: fail_todo_import_decl_pointer_param_type.carbon:[[@LINE+7]]:9: error: semantics TODO: `Unsupported: Record declarations without a definition` [SemanticsTodo]
// CHECK:STDERR: fn F(s: Cpp.C*) {
// CHECK:STDERR: fn F(c: Cpp.C*) {
// CHECK:STDERR: ^~~~~
// CHECK:STDERR: fail_todo_import_decl_pointer_param_type.carbon:[[@LINE+4]]:9: note: in `Cpp` name lookup for `C` [InCppNameLookup]
// CHECK:STDERR: fn F(s: Cpp.C*) {
// CHECK:STDERR: fn F(c: Cpp.C*) {
// CHECK:STDERR: ^~~~~
// CHECK:STDERR:
fn F(s: Cpp.C*) {
fn F(c: Cpp.C*) {
//@dump-sem-ir-begin
// CHECK:STDERR: fail_todo_import_decl_pointer_param_type.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: parameter type: class C *` [SemanticsTodo]
// CHECK:STDERR: Cpp.foo(s);
// CHECK:STDERR: Cpp.foo(c);
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: fail_todo_import_decl_pointer_param_type.carbon:[[@LINE+4]]:3: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
// CHECK:STDERR: Cpp.foo(s);
// CHECK:STDERR: Cpp.foo(c);
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
Cpp.foo(s);
Cpp.foo(c);
//@dump-sem-ir-end
}
@@ -300,16 +255,16 @@ library "[[@TEST_NAME]]";
import Cpp library "definition_pointer_param_type.h";
fn F(s: Cpp.C*) {
fn F(c: Cpp.C*) {
//@dump-sem-ir-begin
// CHECK:STDERR: fail_todo_import_definition_pointer_param_type.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: parameter type: class C *` [SemanticsTodo]
// CHECK:STDERR: Cpp.foo(s);
// CHECK:STDERR: Cpp.foo(c);
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: fail_todo_import_definition_pointer_param_type.carbon:[[@LINE+4]]:3: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
// CHECK:STDERR: Cpp.foo(s);
// CHECK:STDERR: Cpp.foo(c);
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
Cpp.foo(s);
Cpp.foo(c);
//@dump-sem-ir-end
}
@@ -330,7 +285,13 @@ library "[[@TEST_NAME]]";
import Cpp library "decl_value_return_type.h";
fn F() {
// TODO: This should fail on the fact `C` is declared and not defined.
// CHECK:STDERR: fail_todo_import_decl_value_return_type.carbon:[[@LINE+14]]:3: error: semantics TODO: `Unsupported: Record declarations without a definition` [SemanticsTodo]
// CHECK:STDERR: Cpp.foo();
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: fail_todo_import_decl_value_return_type.carbon:[[@LINE+11]]:3: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
// CHECK:STDERR: Cpp.foo();
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
// CHECK:STDERR: fail_todo_import_decl_value_return_type.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: return type: class C` [SemanticsTodo]
// CHECK:STDERR: Cpp.foo();
// CHECK:STDERR: ^~~~~~~
@@ -351,7 +312,7 @@ class C {};
auto foo() -> C;
// --- fail_todo_import_definition_value_return_type.carbon
// --- import_definition_value_return_type.carbon
library "[[@TEST_NAME]]";
@@ -359,13 +320,6 @@ import Cpp library "definition_value_return_type.h";
fn F() {
//@dump-sem-ir-begin
// CHECK:STDERR: fail_todo_import_definition_value_return_type.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: return type: class C` [SemanticsTodo]
// CHECK:STDERR: Cpp.foo();
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: fail_todo_import_definition_value_return_type.carbon:[[@LINE+4]]:3: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
// CHECK:STDERR: Cpp.foo();
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
Cpp.foo();
//@dump-sem-ir-end
}
@@ -428,115 +382,169 @@ fn F() {
//@dump-sem-ir-end
}
// CHECK:STDOUT: --- fail_todo_import_decl_value_param_type.carbon
// CHECK:STDOUT: --- import_definition_no_data_members_value_param_type.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %C: type = class_type @C [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT: %foo: %foo.type = struct_value () [concrete]
// CHECK:STDOUT: %C.val: %C = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .foo = <error>
// CHECK:STDOUT: .foo = %foo.decl
// CHECK:STDOUT: .C = %C.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
// 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: <error> = name_ref foo, <error> [concrete = <error>]
// CHECK:STDOUT: %.loc16: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %foo.ref: %foo.type = name_ref foo, imports.%foo.decl [concrete = constants.%foo]
// CHECK:STDOUT: %.loc8_12.1: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %.loc8_12.2: ref %C = temporary_storage
// CHECK:STDOUT: %.loc8_12.3: init %C = class_init (), %.loc8_12.2 [concrete = constants.%C.val]
// CHECK:STDOUT: %.loc8_12.4: ref %C = temporary %.loc8_12.2, %.loc8_12.3
// CHECK:STDOUT: %.loc8_12.5: ref %C = converted %.loc8_12.1, %.loc8_12.4
// CHECK:STDOUT: %.loc8_12.6: %C = bind_value %.loc8_12.5
// CHECK:STDOUT: %foo.call: init %empty_tuple.type = call %foo.ref(%.loc8_12.6)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_todo_import_definition_no_data_members_value_param_type.carbon
// CHECK:STDOUT: --- import_definition_single_data_member_value_param_type.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %C: type = class_type @C [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT: %foo: %foo.type = struct_value () [concrete]
// CHECK:STDOUT: %C.val: %C = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .foo = <error>
// CHECK:STDOUT: .foo = %foo.decl
// CHECK:STDOUT: .C = %C.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
// 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: <error> = name_ref foo, <error> [concrete = <error>]
// CHECK:STDOUT: %.loc15: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %foo.ref: %foo.type = name_ref foo, imports.%foo.decl [concrete = constants.%foo]
// CHECK:STDOUT: %.loc8_12.1: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %.loc8_12.2: ref %C = temporary_storage
// CHECK:STDOUT: %.loc8_12.3: init %C = class_init (), %.loc8_12.2 [concrete = constants.%C.val]
// CHECK:STDOUT: %.loc8_12.4: ref %C = temporary %.loc8_12.2, %.loc8_12.3
// CHECK:STDOUT: %.loc8_12.5: ref %C = converted %.loc8_12.1, %.loc8_12.4
// CHECK:STDOUT: %.loc8_12.6: %C = bind_value %.loc8_12.5
// CHECK:STDOUT: %foo.call: init %empty_tuple.type = call %foo.ref(%.loc8_12.6)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_todo_import_definition_single_data_member_value_param_type.carbon
// CHECK:STDOUT: --- import_definition_multiple_data_members_value_param_type.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %C: type = class_type @C [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT: %foo: %foo.type = struct_value () [concrete]
// CHECK:STDOUT: %C.val: %C = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .foo = <error>
// CHECK:STDOUT: .foo = %foo.decl
// CHECK:STDOUT: .C = %C.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
// 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: <error> = name_ref foo, <error> [concrete = <error>]
// CHECK:STDOUT: %.loc15: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %foo.ref: %foo.type = name_ref foo, imports.%foo.decl [concrete = constants.%foo]
// CHECK:STDOUT: %.loc8_12.1: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %.loc8_12.2: ref %C = temporary_storage
// CHECK:STDOUT: %.loc8_12.3: init %C = class_init (), %.loc8_12.2 [concrete = constants.%C.val]
// CHECK:STDOUT: %.loc8_12.4: ref %C = temporary %.loc8_12.2, %.loc8_12.3
// CHECK:STDOUT: %.loc8_12.5: ref %C = converted %.loc8_12.1, %.loc8_12.4
// CHECK:STDOUT: %.loc8_12.6: %C = bind_value %.loc8_12.5
// CHECK:STDOUT: %foo.call: init %empty_tuple.type = call %foo.ref(%.loc8_12.6)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_todo_import_definition_multiple_data_members_value_param_type.carbon
// CHECK:STDOUT: --- import_definition_in_namespace_value_param_type.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %C: type = class_type @C [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT: %foo: %foo.type = struct_value () [concrete]
// CHECK:STDOUT: %C.val: %C = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .foo = <error>
// CHECK:STDOUT: .foo = %foo.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// 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: <error> = name_ref foo, <error> [concrete = <error>]
// CHECK:STDOUT: %.loc15: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %foo.ref: %foo.type = name_ref foo, imports.%foo.decl [concrete = constants.%foo]
// CHECK:STDOUT: %.loc8_12.1: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %.loc8_12.2: ref %C = temporary_storage
// CHECK:STDOUT: %.loc8_12.3: init %C = class_init (), %.loc8_12.2 [concrete = constants.%C.val]
// CHECK:STDOUT: %.loc8_12.4: ref %C = temporary %.loc8_12.2, %.loc8_12.3
// CHECK:STDOUT: %.loc8_12.5: ref %C = converted %.loc8_12.1, %.loc8_12.4
// CHECK:STDOUT: %.loc8_12.6: %C = bind_value %.loc8_12.5
// CHECK:STDOUT: %foo.call: init %empty_tuple.type = call %foo.ref(%.loc8_12.6)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_todo_import_definition_in_namespace_value_param_type.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .foo = <error>
// CHECK:STDOUT: import Cpp//...
// 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: <error> = name_ref foo, <error> [concrete = <error>]
// CHECK:STDOUT: %.loc15: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_todo_import_definition_in_relative_namespace_value_param_type.carbon
// CHECK:STDOUT: --- import_definition_in_relative_namespace_value_param_type.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %C: type = class_type @C [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT: %foo: %foo.type = struct_value () [concrete]
// CHECK:STDOUT: %C.val: %C = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
@@ -545,21 +553,32 @@ fn F() {
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %N1: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .foo = <error>
// CHECK:STDOUT: .foo = %foo.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// 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: %N1.ref: <namespace> = name_ref N1, imports.%N1 [concrete = imports.%N1]
// CHECK:STDOUT: %foo.ref: <error> = name_ref foo, <error> [concrete = <error>]
// CHECK:STDOUT: %.loc15: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %foo.ref: %foo.type = name_ref foo, imports.%foo.decl [concrete = constants.%foo]
// CHECK:STDOUT: %.loc8_15.1: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %.loc8_15.2: ref %C = temporary_storage
// CHECK:STDOUT: %.loc8_15.3: init %C = class_init (), %.loc8_15.2 [concrete = constants.%C.val]
// CHECK:STDOUT: %.loc8_15.4: ref %C = temporary %.loc8_15.2, %.loc8_15.3
// CHECK:STDOUT: %.loc8_15.5: ref %C = converted %.loc8_15.1, %.loc8_15.4
// CHECK:STDOUT: %.loc8_15.6: %C = bind_value %.loc8_15.5
// CHECK:STDOUT: %foo.call: init %empty_tuple.type = call %foo.ref(%.loc8_15.6)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_todo_import_definition_and_static_method_call_before.carbon
// CHECK:STDOUT: --- import_definition_and_static_method_call_before.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
@@ -567,16 +586,24 @@ fn F() {
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %bar.type: type = fn_type @bar [concrete]
// CHECK:STDOUT: %bar: %bar.type = struct_value () [concrete]
// CHECK:STDOUT: %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT: %foo: %foo.type = struct_value () [concrete]
// CHECK:STDOUT: %C.val: %C = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .C = %C.decl
// CHECK:STDOUT: .foo = <error>
// CHECK:STDOUT: .foo = %foo.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
// CHECK:STDOUT: %bar.decl: %bar.type = fn_decl @bar [concrete = constants.%bar] {} {}
// 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() {
@@ -586,39 +613,58 @@ fn F() {
// CHECK:STDOUT: %C.ref: type = name_ref C, imports.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %bar.ref: %bar.type = name_ref bar, imports.%bar.decl [concrete = constants.%bar]
// CHECK:STDOUT: %bar.call: init %empty_tuple.type = call %bar.ref()
// CHECK:STDOUT: %Cpp.ref.loc16: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref: <error> = name_ref foo, <error> [concrete = <error>]
// CHECK:STDOUT: %.loc16: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %Cpp.ref.loc9: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref: %foo.type = name_ref foo, imports.%foo.decl [concrete = constants.%foo]
// CHECK:STDOUT: %.loc9_12.1: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %.loc9_12.2: ref %C = temporary_storage
// CHECK:STDOUT: %.loc9_12.3: init %C = class_init (), %.loc9_12.2 [concrete = constants.%C.val]
// CHECK:STDOUT: %.loc9_12.4: ref %C = temporary %.loc9_12.2, %.loc9_12.3
// CHECK:STDOUT: %.loc9_12.5: ref %C = converted %.loc9_12.1, %.loc9_12.4
// CHECK:STDOUT: %.loc9_12.6: %C = bind_value %.loc9_12.5
// CHECK:STDOUT: %foo.call: init %empty_tuple.type = call %foo.ref(%.loc9_12.6)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_todo_import_definition_and_static_method_call_after.carbon
// CHECK:STDOUT: --- import_definition_and_static_method_call_after.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %C: type = class_type @C [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT: %foo: %foo.type = struct_value () [concrete]
// CHECK:STDOUT: %C.val: %C = struct_value () [concrete]
// CHECK:STDOUT: %bar.type: type = fn_type @bar [concrete]
// CHECK:STDOUT: %bar: %bar.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .foo = <error>
// CHECK:STDOUT: .foo = %foo.decl
// CHECK:STDOUT: .C = %C.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
// CHECK:STDOUT: %foo.decl: %foo.type = fn_decl @foo [concrete = constants.%foo] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: %bar.decl: %bar.type = fn_decl @bar [concrete = constants.%bar] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref.loc15: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref: <error> = name_ref foo, <error> [concrete = <error>]
// CHECK:STDOUT: %.loc15: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %Cpp.ref.loc16: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %Cpp.ref.loc8: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref: %foo.type = name_ref foo, imports.%foo.decl [concrete = constants.%foo]
// CHECK:STDOUT: %.loc8_12.1: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %.loc8_12.2: ref %C = temporary_storage
// CHECK:STDOUT: %.loc8_12.3: init %C = class_init (), %.loc8_12.2 [concrete = constants.%C.val]
// CHECK:STDOUT: %.loc8_12.4: ref %C = temporary %.loc8_12.2, %.loc8_12.3
// CHECK:STDOUT: %.loc8_12.5: ref %C = converted %.loc8_12.1, %.loc8_12.4
// CHECK:STDOUT: %.loc8_12.6: %C = bind_value %.loc8_12.5
// CHECK:STDOUT: %foo.call: init %empty_tuple.type = call %foo.ref(%.loc8_12.6)
// CHECK:STDOUT: %Cpp.ref.loc9: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %C.ref: type = name_ref C, imports.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %bar.ref: %bar.type = name_ref bar, imports.%bar.decl [concrete = constants.%bar]
// CHECK:STDOUT: %bar.call: init %empty_tuple.type = call %bar.ref()
@@ -638,11 +684,11 @@ fn F() {
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F(%s.param: <error>) {
// CHECK:STDOUT: fn @F(%c.param: <error>) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref.loc22: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref: <error> = name_ref foo, <error> [concrete = <error>]
// CHECK:STDOUT: %s.ref: <error> = name_ref s, %s [concrete = <error>]
// CHECK:STDOUT: %c.ref: <error> = name_ref c, %c [concrete = <error>]
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
@@ -662,30 +708,43 @@ fn F() {
// CHECK:STDOUT: %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F(%s.param: %ptr) {
// CHECK:STDOUT: fn @F(%c.param: %ptr) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref.loc15: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref: <error> = name_ref foo, <error> [concrete = <error>]
// CHECK:STDOUT: %s.ref: %ptr = name_ref s, %s
// CHECK:STDOUT: %c.ref: %ptr = name_ref c, %c
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_todo_import_definition_value_return_type.carbon
// CHECK:STDOUT: --- import_definition_value_return_type.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %C: type = class_type @C [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 = <error>
// CHECK:STDOUT: .foo = %foo.decl
// CHECK:STDOUT: .C = %C.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
// 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: <error> = name_ref foo, <error> [concrete = <error>]
// CHECK:STDOUT: %foo.ref: %foo.type = name_ref foo, imports.%foo.decl [concrete = constants.%foo]
// CHECK:STDOUT: %.loc8_11.1: ref %C = temporary_storage
// CHECK:STDOUT: %foo.call: init %C = call %foo.ref() to %.loc8_11.1
// CHECK:STDOUT: %.loc8_11.2: ref %C = temporary %.loc8_11.1, %foo.call
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
@@ -0,0 +1,729 @@
// 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/none.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/union.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interop/cpp/function/union.carbon
// ============================================================================
// Forward-declared union as parameter type
// ============================================================================
// --- decl_value_param_type.h
union U;
auto foo(U) -> void;
// --- fail_todo_import_decl_value_param_type.carbon
library "[[@TEST_NAME]]";
import Cpp library "decl_value_param_type.h";
fn F() {
//@dump-sem-ir-begin
// TODO: This should fail on the fact `U` is declared and not defined.
// CHECK:STDERR: fail_todo_import_decl_value_param_type.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: parameter type: union U` [SemanticsTodo]
// CHECK:STDERR: Cpp.foo({});
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: fail_todo_import_decl_value_param_type.carbon:[[@LINE+4]]:3: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
// CHECK:STDERR: Cpp.foo({});
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
Cpp.foo({});
//@dump-sem-ir-end
}
// ============================================================================
// Defined union without data members as parameter type
// ============================================================================
// --- definition_no_data_members_value_param_type.h
union U {};
auto foo(U) -> void;
// --- fail_todo_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() {
//@dump-sem-ir-begin
// CHECK:STDERR: fail_todo_import_definition_no_data_members_value_param_type.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: parameter type: union U` [SemanticsTodo]
// CHECK:STDERR: Cpp.foo({});
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: fail_todo_import_definition_no_data_members_value_param_type.carbon:[[@LINE+4]]:3: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
// CHECK:STDERR: Cpp.foo({});
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
Cpp.foo({});
//@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;
// --- fail_todo_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() {
//@dump-sem-ir-begin
// CHECK:STDERR: fail_todo_import_definition_single_data_member_value_param_type.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: parameter type: union U` [SemanticsTodo]
// CHECK:STDERR: Cpp.foo({});
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: fail_todo_import_definition_single_data_member_value_param_type.carbon:[[@LINE+4]]:3: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
// CHECK:STDERR: Cpp.foo({});
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
Cpp.foo({});
//@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;
// --- fail_todo_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() {
//@dump-sem-ir-begin
// CHECK:STDERR: fail_todo_import_definition_multiple_data_members_value_param_type.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: parameter type: union U` [SemanticsTodo]
// CHECK:STDERR: Cpp.foo({});
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: fail_todo_import_definition_multiple_data_members_value_param_type.carbon:[[@LINE+4]]:3: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
// CHECK:STDERR: Cpp.foo({});
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
Cpp.foo({});
//@dump-sem-ir-end
}
// ============================================================================
// Defined union in namespace
// ============================================================================
// --- definition_in_namespace_value_param_type.h
namespace N { union U {}; }
auto foo(N::U) -> void;
// --- fail_todo_import_definition_in_namespace_value_param_type.carbon
library "[[@TEST_NAME]]";
import Cpp library "definition_in_namespace_value_param_type.h";
fn F() {
//@dump-sem-ir-begin
// CHECK:STDERR: fail_todo_import_definition_in_namespace_value_param_type.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: parameter type: union N::U` [SemanticsTodo]
// CHECK:STDERR: Cpp.foo({});
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: fail_todo_import_definition_in_namespace_value_param_type.carbon:[[@LINE+4]]:3: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
// CHECK:STDERR: Cpp.foo({});
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
Cpp.foo({});
//@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;
}
// --- fail_todo_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() {
//@dump-sem-ir-begin
// CHECK:STDERR: fail_todo_import_definition_in_relative_namespace_value_param_type.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: parameter type: union N1::N2::U` [SemanticsTodo]
// CHECK:STDERR: Cpp.N1.foo({});
// CHECK:STDERR: ^~~~~~~~~~
// CHECK:STDERR: fail_todo_import_definition_in_relative_namespace_value_param_type.carbon:[[@LINE+4]]:3: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
// CHECK:STDERR: Cpp.N1.foo({});
// CHECK:STDERR: ^~~~~~~~~~
// CHECK:STDERR:
Cpp.N1.foo({});
//@dump-sem-ir-end
}
// ============================================================================
// Defined union and explicitly used
// ============================================================================
// --- definition_with_static_method.h
union U {
static void bar();
};
auto foo(U) -> void;
// --- fail_todo_import_definition_and_static_method_call_before.carbon
library "[[@TEST_NAME]]";
import Cpp library "definition_with_static_method.h";
fn F() {
//@dump-sem-ir-begin
Cpp.U.bar();
// CHECK:STDERR: fail_todo_import_definition_and_static_method_call_before.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: parameter type: union U` [SemanticsTodo]
// CHECK:STDERR: Cpp.foo({});
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: fail_todo_import_definition_and_static_method_call_before.carbon:[[@LINE+4]]:3: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
// CHECK:STDERR: Cpp.foo({});
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
Cpp.foo({});
//@dump-sem-ir-end
}
// --- fail_todo_import_definition_and_static_method_call_after.carbon
library "[[@TEST_NAME]]";
import Cpp library "definition_with_static_method.h";
fn F() {
//@dump-sem-ir-begin
// CHECK:STDERR: fail_todo_import_definition_and_static_method_call_after.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: parameter type: union U` [SemanticsTodo]
// CHECK:STDERR: Cpp.foo({});
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: fail_todo_import_definition_and_static_method_call_after.carbon:[[@LINE+4]]:3: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
// CHECK:STDERR: Cpp.foo({});
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
Cpp.foo({});
Cpp.U.bar();
//@dump-sem-ir-end
}
// ============================================================================
// Pointer to forward-declared union as parameter type
// ============================================================================
// --- decl_pointer_param_type.h
union U;
auto foo(U*) -> void;
// --- fail_todo_import_decl_pointer_param_type.carbon
library "[[@TEST_NAME]]";
import Cpp library "decl_pointer_param_type.h";
// CHECK:STDERR: fail_todo_import_decl_pointer_param_type.carbon:[[@LINE+7]]:9: error: semantics TODO: `Unsupported: Record declarations without a definition` [SemanticsTodo]
// CHECK:STDERR: fn F(u: Cpp.U*) {
// CHECK:STDERR: ^~~~~
// CHECK:STDERR: fail_todo_import_decl_pointer_param_type.carbon:[[@LINE+4]]:9: note: in `Cpp` name lookup for `U` [InCppNameLookup]
// CHECK:STDERR: fn F(u: Cpp.U*) {
// CHECK:STDERR: ^~~~~
// CHECK:STDERR:
fn F(u: Cpp.U*) {
//@dump-sem-ir-begin
// CHECK:STDERR: fail_todo_import_decl_pointer_param_type.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: parameter type: union U *` [SemanticsTodo]
// CHECK:STDERR: Cpp.foo(u);
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: fail_todo_import_decl_pointer_param_type.carbon:[[@LINE+4]]:3: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
// CHECK:STDERR: Cpp.foo(u);
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
Cpp.foo(u);
//@dump-sem-ir-end
}
// ============================================================================
// Pointer to defined union as parameter type
// ============================================================================
// --- definition_pointer_param_type.h
union U {};
auto foo(U*) -> void;
// --- fail_todo_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
// CHECK:STDERR: fail_todo_import_definition_pointer_param_type.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: parameter type: union U *` [SemanticsTodo]
// CHECK:STDERR: Cpp.foo(u);
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: fail_todo_import_definition_pointer_param_type.carbon:[[@LINE+4]]:3: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
// CHECK:STDERR: Cpp.foo(u);
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
Cpp.foo(u);
//@dump-sem-ir-end
}
// ============================================================================
// Forward-declared union as return type
// ============================================================================
// --- decl_value_return_type.h
union U;
auto foo() -> U;
// --- fail_todo_import_decl_value_return_type.carbon
library "[[@TEST_NAME]]";
import Cpp library "decl_value_return_type.h";
fn F() {
// TODO: This should fail on the fact `U` is declared and not defined.
// CHECK:STDERR: fail_todo_import_decl_value_return_type.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: return type: union U` [SemanticsTodo]
// CHECK:STDERR: Cpp.foo();
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: fail_todo_import_decl_value_return_type.carbon:[[@LINE+4]]:3: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
// CHECK:STDERR: Cpp.foo();
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
Cpp.foo();
}
// ============================================================================
// Defined union as return type
// ============================================================================
// --- definition_value_return_type.h
union U {};
auto foo() -> U;
// --- fail_todo_import_definition_value_return_type.carbon
library "[[@TEST_NAME]]";
import Cpp library "definition_value_return_type.h";
fn F() {
//@dump-sem-ir-begin
// CHECK:STDERR: fail_todo_import_definition_value_return_type.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: return type: union U` [SemanticsTodo]
// CHECK:STDERR: Cpp.foo();
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: fail_todo_import_definition_value_return_type.carbon:[[@LINE+4]]:3: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
// CHECK:STDERR: Cpp.foo();
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
Cpp.foo();
//@dump-sem-ir-end
}
// ============================================================================
// Pointer to forward-declared union as return type
// ============================================================================
// --- decl_pointer_return_type.h
union U;
auto foo() -> U*;
// --- fail_todo_import_decl_pointer_return_type.carbon
library "[[@TEST_NAME]]";
import Cpp library "decl_pointer_return_type.h";
fn F() {
//@dump-sem-ir-begin
// CHECK:STDERR: fail_todo_import_decl_pointer_return_type.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: return type: union U *` [SemanticsTodo]
// CHECK:STDERR: Cpp.foo();
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: fail_todo_import_decl_pointer_return_type.carbon:[[@LINE+4]]:3: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
// CHECK:STDERR: Cpp.foo();
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
Cpp.foo();
//@dump-sem-ir-end
}
// ============================================================================
// Pointer to defined union as return type
// ============================================================================
// --- definition_pointer_return_type.h
union U {};
auto foo() -> U*;
// --- fail_todo_import_definition_pointer_return_type.carbon
library "[[@TEST_NAME]]";
import Cpp library "definition_pointer_return_type.h";
fn F() {
//@dump-sem-ir-begin
// CHECK:STDERR: fail_todo_import_definition_pointer_return_type.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: return type: union U *` [SemanticsTodo]
// CHECK:STDERR: Cpp.foo();
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: fail_todo_import_definition_pointer_return_type.carbon:[[@LINE+4]]:3: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
// CHECK:STDERR: Cpp.foo();
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
Cpp.foo();
//@dump-sem-ir-end
}
// CHECK:STDOUT: --- fail_todo_import_decl_value_param_type.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .foo = <error>
// CHECK:STDOUT: import Cpp//...
// 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: <error> = name_ref foo, <error> [concrete = <error>]
// CHECK:STDOUT: %.loc16: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_todo_import_definition_no_data_members_value_param_type.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .foo = <error>
// CHECK:STDOUT: import Cpp//...
// 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: <error> = name_ref foo, <error> [concrete = <error>]
// CHECK:STDOUT: %.loc15: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_todo_import_definition_single_data_member_value_param_type.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .foo = <error>
// CHECK:STDOUT: import Cpp//...
// 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: <error> = name_ref foo, <error> [concrete = <error>]
// CHECK:STDOUT: %.loc15: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_todo_import_definition_multiple_data_members_value_param_type.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .foo = <error>
// CHECK:STDOUT: import Cpp//...
// 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: <error> = name_ref foo, <error> [concrete = <error>]
// CHECK:STDOUT: %.loc15: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_todo_import_definition_in_namespace_value_param_type.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .foo = <error>
// CHECK:STDOUT: import Cpp//...
// 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: <error> = name_ref foo, <error> [concrete = <error>]
// CHECK:STDOUT: %.loc15: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_todo_import_definition_in_relative_namespace_value_param_type.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [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: .foo = <error>
// CHECK:STDOUT: import Cpp//...
// 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: %N1.ref: <namespace> = name_ref N1, imports.%N1 [concrete = imports.%N1]
// CHECK:STDOUT: %foo.ref: <error> = name_ref foo, <error> [concrete = <error>]
// CHECK:STDOUT: %.loc15: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_todo_import_definition_and_static_method_call_before.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %U: type = class_type @U [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %bar.type: type = fn_type @bar [concrete]
// CHECK:STDOUT: %bar: %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 = <error>
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %U.decl: type = class_decl @U [concrete = constants.%U] {} {}
// CHECK:STDOUT: %bar.decl: %bar.type = fn_decl @bar [concrete = constants.%bar] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref.loc8: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %U.ref: type = name_ref U, imports.%U.decl [concrete = constants.%U]
// CHECK:STDOUT: %bar.ref: %bar.type = name_ref bar, imports.%bar.decl [concrete = constants.%bar]
// CHECK:STDOUT: %bar.call: init %empty_tuple.type = call %bar.ref()
// CHECK:STDOUT: %Cpp.ref.loc16: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref: <error> = name_ref foo, <error> [concrete = <error>]
// CHECK:STDOUT: %.loc16: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_todo_import_definition_and_static_method_call_after.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %U: type = class_type @U [concrete]
// CHECK:STDOUT: %bar.type: type = fn_type @bar [concrete]
// CHECK:STDOUT: %bar: %bar.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .foo = <error>
// CHECK:STDOUT: .U = %U.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %U.decl: type = class_decl @U [concrete = constants.%U] {} {}
// CHECK:STDOUT: %bar.decl: %bar.type = fn_decl @bar [concrete = constants.%bar] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref.loc15: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref: <error> = name_ref foo, <error> [concrete = <error>]
// CHECK:STDOUT: %.loc15: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %Cpp.ref.loc16: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %U.ref: type = name_ref U, imports.%U.decl [concrete = constants.%U]
// CHECK:STDOUT: %bar.ref: %bar.type = name_ref bar, imports.%bar.decl [concrete = constants.%bar]
// CHECK:STDOUT: %bar.call: init %empty_tuple.type = call %bar.ref()
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_todo_import_decl_pointer_param_type.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .U = <error>
// CHECK:STDOUT: .foo = <error>
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F(%u.param: <error>) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref.loc22: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref: <error> = name_ref foo, <error> [concrete = <error>]
// CHECK:STDOUT: %u.ref: <error> = name_ref u, %u [concrete = <error>]
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_todo_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: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .U = %U.decl
// CHECK:STDOUT: .foo = <error>
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %U.decl: type = class_decl @U [concrete = constants.%U] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F(%u.param: %ptr) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref.loc15: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref: <error> = name_ref foo, <error> [concrete = <error>]
// CHECK:STDOUT: %u.ref: %ptr = name_ref u, %u
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_todo_import_definition_value_return_type.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .foo = <error>
// CHECK:STDOUT: import Cpp//...
// 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: <error> = name_ref foo, <error> [concrete = <error>]
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_todo_import_decl_pointer_return_type.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .foo = <error>
// CHECK:STDOUT: import Cpp//...
// 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: <error> = name_ref foo, <error> [concrete = <error>]
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_todo_import_definition_pointer_return_type.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .foo = <error>
// CHECK:STDOUT: import Cpp//...
// 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: <error> = name_ref foo, <error> [concrete = <error>]
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: