Add reference support to C++ interop. (#6082)

For now this works as follows:

* `T&&` is mapped to a by-value `param: T` parameter.
* `T&` is mapped to an `addr param: T*` parameter.

In either case, we will generate a thunk, which will internally pass the
parameter as a pointer.
This commit is contained in:
Richard Smith
2025-09-17 02:03:22 +00:00
committed by GitHub
parent 4edd2ced62
commit 1e47f29963
6 changed files with 990 additions and 468 deletions
@@ -423,104 +423,6 @@ fn F() {
//@dump-sem-ir-end
}
// ============================================================================
// short reference param
// ============================================================================
// --- short_ref_param.h
auto foo(short& a) -> void;
// --- fail_todo_import_short_ref_param.carbon
library "[[@TEST_NAME]]";
import Cpp library "short_ref_param.h";
fn F() {
var a: i16 = 1;
//@dump-sem-ir-begin
// CHECK:STDERR: fail_todo_import_short_ref_param.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: parameter type: short &` [SemanticsTodo]
// CHECK:STDERR: Cpp.foo(a);
// CHECK:STDERR: ^~~~~~~~~~
// CHECK:STDERR: fail_todo_import_short_ref_param.carbon:[[@LINE+4]]:3: note: in call to Cpp function here [InCallToCppFunction]
// CHECK:STDERR: Cpp.foo(a);
// CHECK:STDERR: ^~~~~~~~~~
// CHECK:STDERR:
Cpp.foo(a);
//@dump-sem-ir-end
}
// ============================================================================
// const short reference param
// ============================================================================
// --- const_short_ref_param.h
auto foo(const short& a) -> void;
// --- fail_todo_import_const_short_ref_param.carbon
library "[[@TEST_NAME]]";
import Cpp library "const_short_ref_param.h";
fn F() {
var a: i16 = 1;
//@dump-sem-ir-begin
// CHECK:STDERR: fail_todo_import_const_short_ref_param.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: parameter type: const short &` [SemanticsTodo]
// CHECK:STDERR: Cpp.foo(a);
// CHECK:STDERR: ^~~~~~~~~~
// CHECK:STDERR: fail_todo_import_const_short_ref_param.carbon:[[@LINE+4]]:3: note: in call to Cpp function here [InCallToCppFunction]
// CHECK:STDERR: Cpp.foo(a);
// CHECK:STDERR: ^~~~~~~~~~
// CHECK:STDERR:
Cpp.foo(a);
//@dump-sem-ir-end
}
// ============================================================================
// short pointer param
// ============================================================================
// --- short_pointer_param.h
auto foo(short* _Nonnull a) -> void;
// --- import_short_pointer_param.carbon
library "[[@TEST_NAME]]";
import Cpp library "short_pointer_param.h";
fn F() {
var a: i16 = 1;
//@dump-sem-ir-begin
Cpp.foo(&a);
//@dump-sem-ir-end
}
// ============================================================================
// const short pointer param
// ============================================================================
// --- const_short_pointer_param.h
auto foo(const short* _Nonnull a) -> void;
// --- import_const_short_pointer_param.carbon
library "[[@TEST_NAME]]";
import Cpp library "const_short_pointer_param.h";
fn F() {
var a: i16 = 1;
//@dump-sem-ir-begin
Cpp.foo(&a);
//@dump-sem-ir-end
}
// ============================================================================
// _Float16 param
// ============================================================================
@@ -1931,136 +1833,6 @@ fn F() {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_todo_import_short_ref_param.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %int_16: Core.IntLiteral = int_value 16 [concrete]
// CHECK:STDOUT: %i16: type = class_type @Int, @Int(%int_16) [concrete]
// CHECK:STDOUT: %.c5d: type = cpp_overload_set_type @ImplicitAs.Convert [concrete]
// CHECK:STDOUT: %empty_struct: %.c5d = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .foo = %.a21
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %.a21: %.c5d = cpp_overload_set_value @ImplicitAs.Convert [concrete = constants.%empty_struct]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref: %.c5d = name_ref foo, imports.%.a21 [concrete = constants.%empty_struct]
// CHECK:STDOUT: %a.ref: ref %i16 = name_ref a, %a
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_todo_import_const_short_ref_param.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %int_16: Core.IntLiteral = int_value 16 [concrete]
// CHECK:STDOUT: %i16: type = class_type @Int, @Int(%int_16) [concrete]
// CHECK:STDOUT: %.c5d: type = cpp_overload_set_type @ImplicitAs.Convert [concrete]
// CHECK:STDOUT: %empty_struct: %.c5d = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .foo = %.a21
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %.a21: %.c5d = cpp_overload_set_value @ImplicitAs.Convert [concrete = constants.%empty_struct]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref: %.c5d = name_ref foo, imports.%.a21 [concrete = constants.%empty_struct]
// CHECK:STDOUT: %a.ref: ref %i16 = name_ref a, %a
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_short_pointer_param.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %int_16: Core.IntLiteral = int_value 16 [concrete]
// CHECK:STDOUT: %i16: type = class_type @Int, @Int(%int_16) [concrete]
// CHECK:STDOUT: %.c5d: type = cpp_overload_set_type @ImplicitAs.Convert [concrete]
// CHECK:STDOUT: %empty_struct: %.c5d = struct_value () [concrete]
// CHECK:STDOUT: %ptr.251: type = ptr_type %i16 [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 = %.a21
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %.a21: %.c5d = cpp_overload_set_value @ImplicitAs.Convert [concrete = constants.%empty_struct]
// 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: <elided>
// CHECK:STDOUT: %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref: %.c5d = name_ref foo, imports.%.a21 [concrete = constants.%empty_struct]
// CHECK:STDOUT: %a.ref: ref %i16 = name_ref a, %a
// CHECK:STDOUT: %addr.loc9: %ptr.251 = addr_of %a.ref
// CHECK:STDOUT: %foo.call: init %empty_tuple.type = call imports.%foo.decl(%addr.loc9)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_const_short_pointer_param.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %int_16: Core.IntLiteral = int_value 16 [concrete]
// CHECK:STDOUT: %i16: type = class_type @Int, @Int(%int_16) [concrete]
// CHECK:STDOUT: %.c5d: type = cpp_overload_set_type @ImplicitAs.Convert [concrete]
// CHECK:STDOUT: %empty_struct: %.c5d = struct_value () [concrete]
// CHECK:STDOUT: %ptr.251: type = ptr_type %i16 [concrete]
// CHECK:STDOUT: %const: type = const_type %i16 [concrete]
// CHECK:STDOUT: %ptr.758: type = ptr_type %const [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 = %.a21
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %.a21: %.c5d = cpp_overload_set_value @ImplicitAs.Convert [concrete = constants.%empty_struct]
// 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: <elided>
// CHECK:STDOUT: %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref: %.c5d = name_ref foo, imports.%.a21 [concrete = constants.%empty_struct]
// CHECK:STDOUT: %a.ref: ref %i16 = name_ref a, %a
// CHECK:STDOUT: %addr.loc9: %ptr.251 = addr_of %a.ref
// CHECK:STDOUT: %.loc9_11.1: %ptr.758 = as_compatible %addr.loc9
// CHECK:STDOUT: %.loc9_11.2: %ptr.758 = converted %addr.loc9, %.loc9_11.1
// CHECK:STDOUT: %foo.call: init %empty_tuple.type = call imports.%foo.decl(%.loc9_11.2)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_float16_param.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
@@ -327,104 +327,6 @@ fn F() {
//@dump-sem-ir-end
}
// ============================================================================
// int reference param
// ============================================================================
// --- int_ref_param.h
auto foo(int& a) -> int;
// --- fail_todo_import_int_ref_param.carbon
library "[[@TEST_NAME]]";
import Cpp library "int_ref_param.h";
fn F() {
var a: i32 = 1;
//@dump-sem-ir-begin
// CHECK:STDERR: fail_todo_import_int_ref_param.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: parameter type: int &` [SemanticsTodo]
// CHECK:STDERR: Cpp.foo(a);
// CHECK:STDERR: ^~~~~~~~~~
// CHECK:STDERR: fail_todo_import_int_ref_param.carbon:[[@LINE+4]]:3: note: in call to Cpp function here [InCallToCppFunction]
// CHECK:STDERR: Cpp.foo(a);
// CHECK:STDERR: ^~~~~~~~~~
// CHECK:STDERR:
Cpp.foo(a);
//@dump-sem-ir-end
}
// ============================================================================
// const int reference param
// ============================================================================
// --- const_int_ref_param.h
auto foo(const int& a) -> int;
// --- fail_todo_import_const_int_ref_param.carbon
library "[[@TEST_NAME]]";
import Cpp library "const_int_ref_param.h";
fn F() {
var a : i32 = 1;
//@dump-sem-ir-begin
// CHECK:STDERR: fail_todo_import_const_int_ref_param.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: parameter type: const int &` [SemanticsTodo]
// CHECK:STDERR: Cpp.foo(a);
// CHECK:STDERR: ^~~~~~~~~~
// CHECK:STDERR: fail_todo_import_const_int_ref_param.carbon:[[@LINE+4]]:3: note: in call to Cpp function here [InCallToCppFunction]
// CHECK:STDERR: Cpp.foo(a);
// CHECK:STDERR: ^~~~~~~~~~
// CHECK:STDERR:
Cpp.foo(a);
//@dump-sem-ir-end
}
// ============================================================================
// int pointer param
// ============================================================================
// --- int_pointer_param.h
auto foo(int* _Nonnull a) -> void;
// --- import_int_pointer_param.carbon
library "[[@TEST_NAME]]";
import Cpp library "int_pointer_param.h";
fn F() {
var a: i32 = 1;
//@dump-sem-ir-begin
Cpp.foo(&a);
//@dump-sem-ir-end
}
// ============================================================================
// const int pointer param
// ============================================================================
// --- const_int_pointer_param.h
auto foo(const int* _Nonnull a) -> int;
// --- import_const_int_pointer_param.carbon
library "[[@TEST_NAME]]";
import Cpp library "const_int_pointer_param.h";
fn F() {
var a : i32 = 1;
//@dump-sem-ir-begin
Cpp.foo(&a);
//@dump-sem-ir-end
}
// ============================================================================
// int return
// ============================================================================
@@ -1243,135 +1145,6 @@ fn F() {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_todo_import_int_ref_param.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT: %.c5d: type = cpp_overload_set_type @ImplicitAs.Convert [concrete]
// CHECK:STDOUT: %empty_struct: %.c5d = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .foo = %.a21
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %.a21: %.c5d = cpp_overload_set_value @ImplicitAs.Convert [concrete = constants.%empty_struct]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref: %.c5d = name_ref foo, imports.%.a21 [concrete = constants.%empty_struct]
// CHECK:STDOUT: %a.ref: ref %i32 = name_ref a, %a
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_todo_import_const_int_ref_param.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT: %.c5d: type = cpp_overload_set_type @ImplicitAs.Convert [concrete]
// CHECK:STDOUT: %empty_struct: %.c5d = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .foo = %.a21
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %.a21: %.c5d = cpp_overload_set_value @ImplicitAs.Convert [concrete = constants.%empty_struct]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref: %.c5d = name_ref foo, imports.%.a21 [concrete = constants.%empty_struct]
// CHECK:STDOUT: %a.ref: ref %i32 = name_ref a, %a
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_int_pointer_param.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT: %.c5d: type = cpp_overload_set_type @ImplicitAs.Convert [concrete]
// CHECK:STDOUT: %empty_struct: %.c5d = struct_value () [concrete]
// CHECK:STDOUT: %ptr.235: type = ptr_type %i32 [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 = %.a21
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %.a21: %.c5d = cpp_overload_set_value @ImplicitAs.Convert [concrete = constants.%empty_struct]
// 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: <elided>
// CHECK:STDOUT: %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref: %.c5d = name_ref foo, imports.%.a21 [concrete = constants.%empty_struct]
// CHECK:STDOUT: %a.ref: ref %i32 = name_ref a, %a
// CHECK:STDOUT: %addr.loc9: %ptr.235 = addr_of %a.ref
// CHECK:STDOUT: %foo.call: init %empty_tuple.type = call imports.%foo.decl(%addr.loc9)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_const_int_pointer_param.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT: %.c5d: type = cpp_overload_set_type @ImplicitAs.Convert [concrete]
// CHECK:STDOUT: %empty_struct: %.c5d = struct_value () [concrete]
// CHECK:STDOUT: %ptr.235: type = ptr_type %i32 [concrete]
// CHECK:STDOUT: %const: type = const_type %i32 [concrete]
// CHECK:STDOUT: %ptr.36b: type = ptr_type %const [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 = %.a21
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %.a21: %.c5d = cpp_overload_set_value @ImplicitAs.Convert [concrete = constants.%empty_struct]
// 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: <elided>
// CHECK:STDOUT: %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref: %.c5d = name_ref foo, imports.%.a21 [concrete = constants.%empty_struct]
// CHECK:STDOUT: %a.ref: ref %i32 = name_ref a, %a
// CHECK:STDOUT: %addr.loc9: %ptr.235 = addr_of %a.ref
// CHECK:STDOUT: %.loc9_11.1: %ptr.36b = as_compatible %addr.loc9
// CHECK:STDOUT: %.loc9_11.2: %ptr.36b = converted %addr.loc9, %.loc9_11.1
// CHECK:STDOUT: %foo.call: init %i32 = call imports.%foo.decl(%.loc9_11.2)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_int_return.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
@@ -0,0 +1,755 @@
// 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/reference.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interop/cpp/function/reference.carbon
// ============================================================================
// Lvalue reference as a parameter type
// ============================================================================
// --- lvalue_ref.h
struct S {};
struct T {};
auto TakesLValue(S&) -> void;
// --- call_lvalue_ref.carbon
library "[[@TEST_NAME]]";
import Cpp library "lvalue_ref.h";
fn F() {
//@dump-sem-ir-begin
var s: Cpp.S = {};
Cpp.TakesLValue(s);
//@dump-sem-ir-end
}
// --- fail_lvalue_ref.carbon
library "[[@TEST_NAME]]";
import Cpp library "lvalue_ref.h";
fn F() {
//@dump-sem-ir-begin
var v: Cpp.S;
let s: Cpp.S = v;
// CHECK:STDERR: fail_lvalue_ref.carbon:[[@LINE+7]]:3: error: no matching function for call to `TakesLValue` [CppOverloadingNoViableFunctionFound]
// CHECK:STDERR: Cpp.TakesLValue(s);
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~
// CHECK:STDERR: fail_lvalue_ref.carbon:[[@LINE+4]]:3: note: in call to Cpp function here [InCallToCppFunction]
// CHECK:STDERR: Cpp.TakesLValue(s);
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
Cpp.TakesLValue(s);
var t: Cpp.T;
// CHECK:STDERR: fail_lvalue_ref.carbon:[[@LINE+7]]:3: error: no matching function for call to `TakesLValue` [CppOverloadingNoViableFunctionFound]
// CHECK:STDERR: Cpp.TakesLValue(t);
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~
// CHECK:STDERR: fail_lvalue_ref.carbon:[[@LINE+4]]:3: note: in call to Cpp function here [InCallToCppFunction]
// CHECK:STDERR: Cpp.TakesLValue(t);
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
Cpp.TakesLValue(t);
var u: Cpp.S;
// CHECK:STDERR: fail_lvalue_ref.carbon:[[@LINE+7]]:3: error: no matching function for call to `TakesLValue` [CppOverloadingNoViableFunctionFound]
// CHECK:STDERR: Cpp.TakesLValue(u as const Cpp.S);
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR: fail_lvalue_ref.carbon:[[@LINE+4]]:3: note: in call to Cpp function here [InCallToCppFunction]
// CHECK:STDERR: Cpp.TakesLValue(u as const Cpp.S);
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
Cpp.TakesLValue(u as const Cpp.S);
//@dump-sem-ir-end
}
// ============================================================================
// Rvalue reference as a parameter type
// ============================================================================
// --- rvalue_ref.h
struct S {};
struct T {};
auto TakesRValue(S&&) -> void;
// --- call_rvalue_ref.carbon
library "[[@TEST_NAME]]";
import Cpp library "rvalue_ref.h";
fn F() {
//@dump-sem-ir-begin
Cpp.TakesRValue({} as Cpp.S);
//@dump-sem-ir-end
}
// --- todo_fail_value_arg_for_rvalue_ref.carbon
library "[[@TEST_NAME]]";
import Cpp library "rvalue_ref.h";
fn F() {
//@dump-sem-ir-begin
// TODO: We should probably reject binding an rvalue reference to a value
// expression. If we don't reject, we should instead force a copy to be made,
// at least if the type has a pointer value representation, so that moving
// from the reference doesn't alter tne original value.
let s: Cpp.S = {};
Cpp.TakesRValue(s);
//@dump-sem-ir-end
}
// --- fail_rvalue_ref.carbon
library "[[@TEST_NAME]]";
import Cpp library "rvalue_ref.h";
fn F() {
//@dump-sem-ir-begin
var s: Cpp.S;
// CHECK:STDERR: fail_rvalue_ref.carbon:[[@LINE+7]]:3: error: no matching function for call to `TakesRValue` [CppOverloadingNoViableFunctionFound]
// CHECK:STDERR: Cpp.TakesRValue(s);
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~
// CHECK:STDERR: fail_rvalue_ref.carbon:[[@LINE+4]]:3: note: in call to Cpp function here [InCallToCppFunction]
// CHECK:STDERR: Cpp.TakesRValue(s);
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
Cpp.TakesRValue(s);
var t: Cpp.T;
// CHECK:STDERR: fail_rvalue_ref.carbon:[[@LINE+7]]:3: error: no matching function for call to `TakesRValue` [CppOverloadingNoViableFunctionFound]
// CHECK:STDERR: Cpp.TakesRValue(t);
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~
// CHECK:STDERR: fail_rvalue_ref.carbon:[[@LINE+4]]:3: note: in call to Cpp function here [InCallToCppFunction]
// CHECK:STDERR: Cpp.TakesRValue(t);
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
Cpp.TakesRValue(t);
// CHECK:STDERR: fail_rvalue_ref.carbon:[[@LINE+7]]:3: error: no matching function for call to `TakesRValue` [CppOverloadingNoViableFunctionFound]
// CHECK:STDERR: Cpp.TakesRValue(({} as Cpp.S) as const Cpp.S);
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR: fail_rvalue_ref.carbon:[[@LINE+4]]:3: note: in call to Cpp function here [InCallToCppFunction]
// CHECK:STDERR: Cpp.TakesRValue(({} as Cpp.S) as const Cpp.S);
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
Cpp.TakesRValue(({} as Cpp.S) as const Cpp.S);
//@dump-sem-ir-end
}
// ============================================================================
// Const reference as a parameter type
// ============================================================================
// --- const_lvalue_ref.h
struct S {};
struct T {};
auto TakesConstLValue(const S&) -> void;
// --- call_const_lvalue_ref.carbon
library "[[@TEST_NAME]]";
import Cpp library "const_lvalue_ref.h";
fn F() {
//@dump-sem-ir-begin
var s: Cpp.S = {};
Cpp.TakesConstLValue(s as const Cpp.S);
Cpp.TakesConstLValue(s);
//@dump-sem-ir-end
}
// --- fail_const_lvalue_ref.carbon
library "[[@TEST_NAME]]";
import Cpp library "const_lvalue_ref.h";
fn F() {
//@dump-sem-ir-begin
// TODO: Should this work? We could create a temporary. Overload resolution
// accepts this but the Carbon-side call fails.
// TODO: The diagnostic here is wrong; we're internally using `addr` but this
// is not `addr self`.
let s: Cpp.S = {};
// CHECK:STDERR: fail_const_lvalue_ref.carbon:[[@LINE+5]]:24: error: `addr self` method cannot be invoked on a value [AddrSelfIsNonRef]
// CHECK:STDERR: Cpp.TakesConstLValue(s);
// CHECK:STDERR: ^
// CHECK:STDERR: fail_const_lvalue_ref.carbon: note: initializing function parameter [InCallToFunctionParam]
// CHECK:STDERR:
Cpp.TakesConstLValue(s);
var t: Cpp.T;
// CHECK:STDERR: fail_const_lvalue_ref.carbon:[[@LINE+7]]:3: error: no matching function for call to `TakesConstLValue` [CppOverloadingNoViableFunctionFound]
// CHECK:STDERR: Cpp.TakesConstLValue(t);
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR: fail_const_lvalue_ref.carbon:[[@LINE+4]]:3: note: in call to Cpp function here [InCallToCppFunction]
// CHECK:STDERR: Cpp.TakesConstLValue(t);
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
Cpp.TakesConstLValue(t);
//@dump-sem-ir-end
}
// CHECK:STDOUT: --- call_lvalue_ref.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %S: type = class_type @S [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %pattern_type.7da: type = pattern_type %S [concrete]
// CHECK:STDOUT: %S.val: %S = struct_value () [concrete]
// CHECK:STDOUT: %.547: type = cpp_overload_set_type @TakesLValue [concrete]
// CHECK:STDOUT: %empty_struct: %.547 = struct_value () [concrete]
// CHECK:STDOUT: %ptr.5c7: type = ptr_type %S [concrete]
// CHECK:STDOUT: %TakesLValue__carbon_thunk.type: type = fn_type @TakesLValue__carbon_thunk [concrete]
// CHECK:STDOUT: %TakesLValue__carbon_thunk: %TakesLValue__carbon_thunk.type = struct_value () [concrete]
// CHECK:STDOUT: %T.as.Destroy.impl.Op.type.d46: type = fn_type @T.as.Destroy.impl.Op, @T.as.Destroy.impl(%S) [concrete]
// CHECK:STDOUT: %T.as.Destroy.impl.Op.062: %T.as.Destroy.impl.Op.type.d46 = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .S = %S.decl
// CHECK:STDOUT: .TakesLValue = %.a7f
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %S.decl: type = class_decl @S [concrete = constants.%S] {} {}
// CHECK:STDOUT: %.a7f: %.547 = cpp_overload_set_value @TakesLValue [concrete = constants.%empty_struct]
// CHECK:STDOUT: %TakesLValue__carbon_thunk.decl: %TakesLValue__carbon_thunk.type = fn_decl @TakesLValue__carbon_thunk [concrete = constants.%TakesLValue__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: name_binding_decl {
// CHECK:STDOUT: %s.patt: %pattern_type.7da = binding_pattern s [concrete]
// CHECK:STDOUT: %s.var_patt: %pattern_type.7da = var_pattern %s.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %s.var: ref %S = var %s.var_patt
// CHECK:STDOUT: %.loc8_19.1: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %.loc8_19.2: init %S = class_init (), %s.var [concrete = constants.%S.val]
// CHECK:STDOUT: %.loc8_3: init %S = converted %.loc8_19.1, %.loc8_19.2 [concrete = constants.%S.val]
// CHECK:STDOUT: assign %s.var, %.loc8_3
// CHECK:STDOUT: %.loc8_13: type = splice_block %S.ref [concrete = constants.%S] {
// CHECK:STDOUT: %Cpp.ref.loc8: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %S.ref: type = name_ref S, imports.%S.decl [concrete = constants.%S]
// CHECK:STDOUT: }
// CHECK:STDOUT: %s: ref %S = bind_name s, %s.var
// CHECK:STDOUT: %Cpp.ref.loc9: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %TakesLValue.ref: %.547 = name_ref TakesLValue, imports.%.a7f [concrete = constants.%empty_struct]
// CHECK:STDOUT: %s.ref: ref %S = name_ref s, %s
// CHECK:STDOUT: %addr.loc9: %ptr.5c7 = addr_of %s.ref
// CHECK:STDOUT: %TakesLValue__carbon_thunk.call: init %empty_tuple.type = call imports.%TakesLValue__carbon_thunk.decl(%addr.loc9)
// CHECK:STDOUT: %T.as.Destroy.impl.Op.bound: <bound method> = bound_method %s.var, constants.%T.as.Destroy.impl.Op.062
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %bound_method: <bound method> = bound_method %s.var, %T.as.Destroy.impl.Op.specific_fn
// CHECK:STDOUT: %addr.loc8: %ptr.5c7 = addr_of %s.var
// CHECK:STDOUT: %T.as.Destroy.impl.Op.call: init %empty_tuple.type = call %bound_method(%addr.loc8)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_lvalue_ref.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %S: type = class_type @S [concrete]
// CHECK:STDOUT: %pattern_type.7da: type = pattern_type %S [concrete]
// CHECK:STDOUT: %.547: type = cpp_overload_set_type @Destroy.Op [concrete]
// CHECK:STDOUT: %empty_struct: %.547 = struct_value () [concrete]
// CHECK:STDOUT: %T.e15: type = class_type @T [concrete]
// CHECK:STDOUT: %pattern_type.e6b: type = pattern_type %T.e15 [concrete]
// CHECK:STDOUT: %const: type = const_type %S [concrete]
// CHECK:STDOUT: %T.as.Destroy.impl.Op.type.d46: type = fn_type @T.as.Destroy.impl.Op, @T.as.Destroy.impl(%S) [concrete]
// CHECK:STDOUT: %T.as.Destroy.impl.Op.062: %T.as.Destroy.impl.Op.type.d46 = struct_value () [concrete]
// CHECK:STDOUT: %ptr.5c7: type = ptr_type %S [concrete]
// CHECK:STDOUT: %T.as.Destroy.impl.Op.type.559: type = fn_type @T.as.Destroy.impl.Op, @T.as.Destroy.impl(%T.e15) [concrete]
// CHECK:STDOUT: %T.as.Destroy.impl.Op.b53: %T.as.Destroy.impl.Op.type.559 = struct_value () [concrete]
// CHECK:STDOUT: %ptr.b04: type = ptr_type %T.e15 [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .S = %S.decl
// CHECK:STDOUT: .TakesLValue = %.a7f
// CHECK:STDOUT: .T = %T.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %S.decl: type = class_decl @S [concrete = constants.%S] {} {}
// CHECK:STDOUT: %.a7f: %.547 = cpp_overload_set_value @Destroy.Op [concrete = constants.%empty_struct]
// CHECK:STDOUT: %T.decl: type = class_decl @T [concrete = constants.%T.e15] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %v.patt: %pattern_type.7da = binding_pattern v [concrete]
// CHECK:STDOUT: %v.var_patt: %pattern_type.7da = var_pattern %v.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %v.var: ref %S = var %v.var_patt
// CHECK:STDOUT: %.loc8: type = splice_block %S.ref.loc8 [concrete = constants.%S] {
// CHECK:STDOUT: %Cpp.ref.loc8: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %S.ref.loc8: type = name_ref S, imports.%S.decl [concrete = constants.%S]
// CHECK:STDOUT: }
// CHECK:STDOUT: %v: ref %S = bind_name v, %v.var
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %s.patt: %pattern_type.7da = binding_pattern s [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %v.ref: ref %S = name_ref v, %v
// CHECK:STDOUT: %.loc9_13: type = splice_block %S.ref.loc9 [concrete = constants.%S] {
// CHECK:STDOUT: %Cpp.ref.loc9: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %S.ref.loc9: type = name_ref S, imports.%S.decl [concrete = constants.%S]
// CHECK:STDOUT: }
// CHECK:STDOUT: %.loc9_18: %S = bind_value %v.ref
// CHECK:STDOUT: %s: %S = bind_name s, %.loc9_18
// CHECK:STDOUT: %Cpp.ref.loc17: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %TakesLValue.ref.loc17: %.547 = name_ref TakesLValue, imports.%.a7f [concrete = constants.%empty_struct]
// CHECK:STDOUT: %s.ref: %S = name_ref s, %s
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %t.patt: %pattern_type.e6b = binding_pattern t [concrete]
// CHECK:STDOUT: %t.var_patt: %pattern_type.e6b = var_pattern %t.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %t.var: ref %T.e15 = var %t.var_patt
// CHECK:STDOUT: %.loc19: type = splice_block %T.ref [concrete = constants.%T.e15] {
// CHECK:STDOUT: %Cpp.ref.loc19: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %T.ref: type = name_ref T, imports.%T.decl [concrete = constants.%T.e15]
// CHECK:STDOUT: }
// CHECK:STDOUT: %t: ref %T.e15 = bind_name t, %t.var
// CHECK:STDOUT: %Cpp.ref.loc27: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %TakesLValue.ref.loc27: %.547 = name_ref TakesLValue, imports.%.a7f [concrete = constants.%empty_struct]
// CHECK:STDOUT: %t.ref: ref %T.e15 = name_ref t, %t
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %u.patt: %pattern_type.7da = binding_pattern u [concrete]
// CHECK:STDOUT: %u.var_patt: %pattern_type.7da = var_pattern %u.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %u.var: ref %S = var %u.var_patt
// CHECK:STDOUT: %.loc29: type = splice_block %S.ref.loc29 [concrete = constants.%S] {
// CHECK:STDOUT: %Cpp.ref.loc29: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %S.ref.loc29: type = name_ref S, imports.%S.decl [concrete = constants.%S]
// CHECK:STDOUT: }
// CHECK:STDOUT: %u: ref %S = bind_name u, %u.var
// CHECK:STDOUT: %Cpp.ref.loc37_3: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %TakesLValue.ref.loc37: %.547 = name_ref TakesLValue, imports.%.a7f [concrete = constants.%empty_struct]
// CHECK:STDOUT: %u.ref: ref %S = name_ref u, %u
// CHECK:STDOUT: %Cpp.ref.loc37_30: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %S.ref.loc37: type = name_ref S, imports.%S.decl [concrete = constants.%S]
// CHECK:STDOUT: %const: type = const_type %S.ref.loc37 [concrete = constants.%const]
// CHECK:STDOUT: %.loc37_21.1: ref %const = as_compatible %u.ref
// CHECK:STDOUT: %.loc37_21.2: ref %const = converted %u.ref, %.loc37_21.1
// CHECK:STDOUT: %T.as.Destroy.impl.Op.bound.loc29: <bound method> = bound_method %u.var, constants.%T.as.Destroy.impl.Op.062
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %bound_method.loc29: <bound method> = bound_method %u.var, %T.as.Destroy.impl.Op.specific_fn.1
// CHECK:STDOUT: %addr.loc29: %ptr.5c7 = addr_of %u.var
// CHECK:STDOUT: %T.as.Destroy.impl.Op.call.loc29: init %empty_tuple.type = call %bound_method.loc29(%addr.loc29)
// CHECK:STDOUT: %T.as.Destroy.impl.Op.bound.loc19: <bound method> = bound_method %t.var, constants.%T.as.Destroy.impl.Op.b53
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %bound_method.loc19: <bound method> = bound_method %t.var, %T.as.Destroy.impl.Op.specific_fn.2
// CHECK:STDOUT: %addr.loc19: %ptr.b04 = addr_of %t.var
// CHECK:STDOUT: %T.as.Destroy.impl.Op.call.loc19: init %empty_tuple.type = call %bound_method.loc19(%addr.loc19)
// CHECK:STDOUT: %T.as.Destroy.impl.Op.bound.loc8: <bound method> = bound_method %v.var, constants.%T.as.Destroy.impl.Op.062
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %bound_method.loc8: <bound method> = bound_method %v.var, %T.as.Destroy.impl.Op.specific_fn.3
// CHECK:STDOUT: %addr.loc8: %ptr.5c7 = addr_of %v.var
// CHECK:STDOUT: %T.as.Destroy.impl.Op.call.loc8: init %empty_tuple.type = call %bound_method.loc8(%addr.loc8)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- call_rvalue_ref.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %S: type = class_type @S [concrete]
// CHECK:STDOUT: %.1b9: type = cpp_overload_set_type @TakesRValue [concrete]
// CHECK:STDOUT: %empty_struct: %.1b9 = struct_value () [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %S.val: %S = struct_value () [concrete]
// CHECK:STDOUT: %ptr.5c7: type = ptr_type %S [concrete]
// CHECK:STDOUT: %TakesRValue__carbon_thunk.type: type = fn_type @TakesRValue__carbon_thunk [concrete]
// CHECK:STDOUT: %TakesRValue__carbon_thunk: %TakesRValue__carbon_thunk.type = struct_value () [concrete]
// CHECK:STDOUT: %T.as.Destroy.impl.Op.type.d46: type = fn_type @T.as.Destroy.impl.Op, @T.as.Destroy.impl(%S) [concrete]
// CHECK:STDOUT: %T.as.Destroy.impl.Op.062: %T.as.Destroy.impl.Op.type.d46 = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .TakesRValue = %.1f6
// CHECK:STDOUT: .S = %S.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %S.decl: type = class_decl @S [concrete = constants.%S] {} {}
// CHECK:STDOUT: %.1f6: %.1b9 = cpp_overload_set_value @TakesRValue [concrete = constants.%empty_struct]
// CHECK:STDOUT: %TakesRValue__carbon_thunk.decl: %TakesRValue__carbon_thunk.type = fn_decl @TakesRValue__carbon_thunk [concrete = constants.%TakesRValue__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.loc8_3: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %TakesRValue.ref: %.1b9 = name_ref TakesRValue, imports.%.1f6 [concrete = constants.%empty_struct]
// CHECK:STDOUT: %.loc8_20.1: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %Cpp.ref.loc8_25: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %S.ref: type = name_ref S, imports.%S.decl [concrete = constants.%S]
// CHECK:STDOUT: %.loc8_20.2: ref %S = temporary_storage
// CHECK:STDOUT: %.loc8_20.3: init %S = class_init (), %.loc8_20.2 [concrete = constants.%S.val]
// CHECK:STDOUT: %.loc8_20.4: ref %S = temporary %.loc8_20.2, %.loc8_20.3
// CHECK:STDOUT: %.loc8_22.1: ref %S = converted %.loc8_20.1, %.loc8_20.4
// CHECK:STDOUT: %.loc8_22.2: %S = bind_value %.loc8_22.1
// CHECK:STDOUT: %.loc8_22.3: ref %S = value_as_ref %.loc8_22.2
// CHECK:STDOUT: %addr.loc8_30: %ptr.5c7 = addr_of %.loc8_22.3
// CHECK:STDOUT: %TakesRValue__carbon_thunk.call: init %empty_tuple.type = call imports.%TakesRValue__carbon_thunk.decl(%addr.loc8_30)
// CHECK:STDOUT: %T.as.Destroy.impl.Op.bound: <bound method> = bound_method %.loc8_20.4, constants.%T.as.Destroy.impl.Op.062
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %bound_method: <bound method> = bound_method %.loc8_20.4, %T.as.Destroy.impl.Op.specific_fn
// CHECK:STDOUT: %addr.loc8_20: %ptr.5c7 = addr_of %.loc8_20.4
// CHECK:STDOUT: %T.as.Destroy.impl.Op.call: init %empty_tuple.type = call %bound_method(%addr.loc8_20)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- todo_fail_value_arg_for_rvalue_ref.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %S: type = class_type @S [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %pattern_type.7da: type = pattern_type %S [concrete]
// CHECK:STDOUT: %S.val: %S = struct_value () [concrete]
// CHECK:STDOUT: %.1b9: type = cpp_overload_set_type @TakesRValue [concrete]
// CHECK:STDOUT: %empty_struct: %.1b9 = struct_value () [concrete]
// CHECK:STDOUT: %ptr.5c7: type = ptr_type %S [concrete]
// CHECK:STDOUT: %TakesRValue__carbon_thunk.type: type = fn_type @TakesRValue__carbon_thunk [concrete]
// CHECK:STDOUT: %TakesRValue__carbon_thunk: %TakesRValue__carbon_thunk.type = struct_value () [concrete]
// CHECK:STDOUT: %T.as.Destroy.impl.Op.type.d46: type = fn_type @T.as.Destroy.impl.Op, @T.as.Destroy.impl(%S) [concrete]
// CHECK:STDOUT: %T.as.Destroy.impl.Op.062: %T.as.Destroy.impl.Op.type.d46 = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .S = %S.decl
// CHECK:STDOUT: .TakesRValue = %.1f6
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %S.decl: type = class_decl @S [concrete = constants.%S] {} {}
// CHECK:STDOUT: %.1f6: %.1b9 = cpp_overload_set_value @TakesRValue [concrete = constants.%empty_struct]
// CHECK:STDOUT: %TakesRValue__carbon_thunk.decl: %TakesRValue__carbon_thunk.type = fn_decl @TakesRValue__carbon_thunk [concrete = constants.%TakesRValue__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: name_binding_decl {
// CHECK:STDOUT: %s.patt: %pattern_type.7da = binding_pattern s [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %.loc12_19.1: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %.loc12_13: type = splice_block %S.ref [concrete = constants.%S] {
// CHECK:STDOUT: %Cpp.ref.loc12: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %S.ref: type = name_ref S, imports.%S.decl [concrete = constants.%S]
// CHECK:STDOUT: }
// CHECK:STDOUT: %.loc12_19.2: ref %S = temporary_storage
// CHECK:STDOUT: %.loc12_19.3: init %S = class_init (), %.loc12_19.2 [concrete = constants.%S.val]
// CHECK:STDOUT: %.loc12_19.4: ref %S = temporary %.loc12_19.2, %.loc12_19.3
// CHECK:STDOUT: %.loc12_19.5: ref %S = converted %.loc12_19.1, %.loc12_19.4
// CHECK:STDOUT: %.loc12_19.6: %S = bind_value %.loc12_19.5
// CHECK:STDOUT: %s: %S = bind_name s, %.loc12_19.6
// CHECK:STDOUT: %Cpp.ref.loc13: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %TakesRValue.ref: %.1b9 = name_ref TakesRValue, imports.%.1f6 [concrete = constants.%empty_struct]
// CHECK:STDOUT: %s.ref: %S = name_ref s, %s
// CHECK:STDOUT: %.loc13: ref %S = value_as_ref %s.ref
// CHECK:STDOUT: %addr.loc13: %ptr.5c7 = addr_of %.loc13
// CHECK:STDOUT: %TakesRValue__carbon_thunk.call: init %empty_tuple.type = call imports.%TakesRValue__carbon_thunk.decl(%addr.loc13)
// CHECK:STDOUT: %T.as.Destroy.impl.Op.bound: <bound method> = bound_method %.loc12_19.4, constants.%T.as.Destroy.impl.Op.062
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %bound_method: <bound method> = bound_method %.loc12_19.4, %T.as.Destroy.impl.Op.specific_fn
// CHECK:STDOUT: %addr.loc12: %ptr.5c7 = addr_of %.loc12_19.4
// CHECK:STDOUT: %T.as.Destroy.impl.Op.call: init %empty_tuple.type = call %bound_method(%addr.loc12)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_rvalue_ref.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %S: type = class_type @S [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %pattern_type.7da: type = pattern_type %S [concrete]
// CHECK:STDOUT: %.1b9: type = cpp_overload_set_type @Destroy.Op [concrete]
// CHECK:STDOUT: %empty_struct: %.1b9 = struct_value () [concrete]
// CHECK:STDOUT: %T.e15: type = class_type @T [concrete]
// CHECK:STDOUT: %pattern_type.e6b: type = pattern_type %T.e15 [concrete]
// CHECK:STDOUT: %S.val: %S = struct_value () [concrete]
// CHECK:STDOUT: %const: type = const_type %S [concrete]
// CHECK:STDOUT: %T.as.Destroy.impl.Op.type.d46: type = fn_type @T.as.Destroy.impl.Op, @T.as.Destroy.impl(%S) [concrete]
// CHECK:STDOUT: %T.as.Destroy.impl.Op.062: %T.as.Destroy.impl.Op.type.d46 = struct_value () [concrete]
// CHECK:STDOUT: %ptr.5c7: type = ptr_type %S [concrete]
// CHECK:STDOUT: %T.as.Destroy.impl.Op.type.559: type = fn_type @T.as.Destroy.impl.Op, @T.as.Destroy.impl(%T.e15) [concrete]
// CHECK:STDOUT: %T.as.Destroy.impl.Op.b53: %T.as.Destroy.impl.Op.type.559 = struct_value () [concrete]
// CHECK:STDOUT: %ptr.b04: type = ptr_type %T.e15 [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .S = %S.decl
// CHECK:STDOUT: .TakesRValue = %.1f6
// CHECK:STDOUT: .T = %T.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %S.decl: type = class_decl @S [concrete = constants.%S] {} {}
// CHECK:STDOUT: %.1f6: %.1b9 = cpp_overload_set_value @Destroy.Op [concrete = constants.%empty_struct]
// CHECK:STDOUT: %T.decl: type = class_decl @T [concrete = constants.%T.e15] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %s.patt: %pattern_type.7da = binding_pattern s [concrete]
// CHECK:STDOUT: %s.var_patt: %pattern_type.7da = var_pattern %s.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %s.var: ref %S = var %s.var_patt
// CHECK:STDOUT: %.loc8: type = splice_block %S.ref.loc8 [concrete = constants.%S] {
// CHECK:STDOUT: %Cpp.ref.loc8: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %S.ref.loc8: type = name_ref S, imports.%S.decl [concrete = constants.%S]
// CHECK:STDOUT: }
// CHECK:STDOUT: %s: ref %S = bind_name s, %s.var
// CHECK:STDOUT: %Cpp.ref.loc16: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %TakesRValue.ref.loc16: %.1b9 = name_ref TakesRValue, imports.%.1f6 [concrete = constants.%empty_struct]
// CHECK:STDOUT: %s.ref: ref %S = name_ref s, %s
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %t.patt: %pattern_type.e6b = binding_pattern t [concrete]
// CHECK:STDOUT: %t.var_patt: %pattern_type.e6b = var_pattern %t.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %t.var: ref %T.e15 = var %t.var_patt
// CHECK:STDOUT: %.loc18: type = splice_block %T.ref [concrete = constants.%T.e15] {
// CHECK:STDOUT: %Cpp.ref.loc18: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %T.ref: type = name_ref T, imports.%T.decl [concrete = constants.%T.e15]
// CHECK:STDOUT: }
// CHECK:STDOUT: %t: ref %T.e15 = bind_name t, %t.var
// CHECK:STDOUT: %Cpp.ref.loc26: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %TakesRValue.ref.loc26: %.1b9 = name_ref TakesRValue, imports.%.1f6 [concrete = constants.%empty_struct]
// CHECK:STDOUT: %t.ref: ref %T.e15 = name_ref t, %t
// CHECK:STDOUT: %Cpp.ref.loc35_3: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %TakesRValue.ref.loc35: %.1b9 = name_ref TakesRValue, imports.%.1f6 [concrete = constants.%empty_struct]
// CHECK:STDOUT: %.loc35_21.1: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %Cpp.ref.loc35_26: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %S.ref.loc35_29: type = name_ref S, imports.%S.decl [concrete = constants.%S]
// CHECK:STDOUT: %.loc35_21.2: ref %S = temporary_storage
// CHECK:STDOUT: %.loc35_21.3: init %S = class_init (), %.loc35_21.2 [concrete = constants.%S.val]
// CHECK:STDOUT: %.loc35_21.4: ref %S = temporary %.loc35_21.2, %.loc35_21.3
// CHECK:STDOUT: %.loc35_23: ref %S = converted %.loc35_21.1, %.loc35_21.4
// CHECK:STDOUT: %Cpp.ref.loc35_42: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %S.ref.loc35_45: type = name_ref S, imports.%S.decl [concrete = constants.%S]
// CHECK:STDOUT: %const: type = const_type %S.ref.loc35_45 [concrete = constants.%const]
// CHECK:STDOUT: %.loc35_33.1: ref %const = as_compatible %.loc35_23
// CHECK:STDOUT: %.loc35_33.2: ref %const = converted %.loc35_23, %.loc35_33.1
// CHECK:STDOUT: %T.as.Destroy.impl.Op.bound.loc35: <bound method> = bound_method %.loc35_21.4, constants.%T.as.Destroy.impl.Op.062
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %bound_method.loc35: <bound method> = bound_method %.loc35_21.4, %T.as.Destroy.impl.Op.specific_fn.1
// CHECK:STDOUT: %addr.loc35: %ptr.5c7 = addr_of %.loc35_21.4
// CHECK:STDOUT: %T.as.Destroy.impl.Op.call.loc35: init %empty_tuple.type = call %bound_method.loc35(%addr.loc35)
// CHECK:STDOUT: %T.as.Destroy.impl.Op.bound.loc18: <bound method> = bound_method %t.var, constants.%T.as.Destroy.impl.Op.b53
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %bound_method.loc18: <bound method> = bound_method %t.var, %T.as.Destroy.impl.Op.specific_fn.2
// CHECK:STDOUT: %addr.loc18: %ptr.b04 = addr_of %t.var
// CHECK:STDOUT: %T.as.Destroy.impl.Op.call.loc18: init %empty_tuple.type = call %bound_method.loc18(%addr.loc18)
// CHECK:STDOUT: %T.as.Destroy.impl.Op.bound.loc8: <bound method> = bound_method %s.var, constants.%T.as.Destroy.impl.Op.062
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %bound_method.loc8: <bound method> = bound_method %s.var, %T.as.Destroy.impl.Op.specific_fn.3
// CHECK:STDOUT: %addr.loc8: %ptr.5c7 = addr_of %s.var
// CHECK:STDOUT: %T.as.Destroy.impl.Op.call.loc8: init %empty_tuple.type = call %bound_method.loc8(%addr.loc8)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- call_const_lvalue_ref.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %S: type = class_type @S [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %pattern_type.7da: type = pattern_type %S [concrete]
// CHECK:STDOUT: %S.val: %S = struct_value () [concrete]
// CHECK:STDOUT: %.4e1: type = cpp_overload_set_type @TakesConstLValue [concrete]
// CHECK:STDOUT: %empty_struct: %.4e1 = struct_value () [concrete]
// CHECK:STDOUT: %const: type = const_type %S [concrete]
// CHECK:STDOUT: %ptr.ff5: type = ptr_type %const [concrete]
// CHECK:STDOUT: %TakesConstLValue__carbon_thunk.type: type = fn_type @TakesConstLValue__carbon_thunk [concrete]
// CHECK:STDOUT: %TakesConstLValue__carbon_thunk: %TakesConstLValue__carbon_thunk.type = struct_value () [concrete]
// CHECK:STDOUT: %ptr.5c7: type = ptr_type %S [concrete]
// CHECK:STDOUT: %T.as.Destroy.impl.Op.type.d46: type = fn_type @T.as.Destroy.impl.Op, @T.as.Destroy.impl(%S) [concrete]
// CHECK:STDOUT: %T.as.Destroy.impl.Op.062: %T.as.Destroy.impl.Op.type.d46 = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .S = %S.decl
// CHECK:STDOUT: .TakesConstLValue = %.9bc
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %S.decl: type = class_decl @S [concrete = constants.%S] {} {}
// CHECK:STDOUT: %.9bc: %.4e1 = cpp_overload_set_value @TakesConstLValue [concrete = constants.%empty_struct]
// CHECK:STDOUT: %TakesConstLValue__carbon_thunk.decl: %TakesConstLValue__carbon_thunk.type = fn_decl @TakesConstLValue__carbon_thunk [concrete = constants.%TakesConstLValue__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: name_binding_decl {
// CHECK:STDOUT: %s.patt: %pattern_type.7da = binding_pattern s [concrete]
// CHECK:STDOUT: %s.var_patt: %pattern_type.7da = var_pattern %s.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %s.var: ref %S = var %s.var_patt
// CHECK:STDOUT: %.loc8_19.1: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %.loc8_19.2: init %S = class_init (), %s.var [concrete = constants.%S.val]
// CHECK:STDOUT: %.loc8_3: init %S = converted %.loc8_19.1, %.loc8_19.2 [concrete = constants.%S.val]
// CHECK:STDOUT: assign %s.var, %.loc8_3
// CHECK:STDOUT: %.loc8_13: type = splice_block %S.ref.loc8 [concrete = constants.%S] {
// CHECK:STDOUT: %Cpp.ref.loc8: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %S.ref.loc8: type = name_ref S, imports.%S.decl [concrete = constants.%S]
// CHECK:STDOUT: }
// CHECK:STDOUT: %s: ref %S = bind_name s, %s.var
// CHECK:STDOUT: %Cpp.ref.loc9_3: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %TakesConstLValue.ref.loc9: %.4e1 = name_ref TakesConstLValue, imports.%.9bc [concrete = constants.%empty_struct]
// CHECK:STDOUT: %s.ref.loc9: ref %S = name_ref s, %s
// CHECK:STDOUT: %Cpp.ref.loc9_35: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %S.ref.loc9: type = name_ref S, imports.%S.decl [concrete = constants.%S]
// CHECK:STDOUT: %const: type = const_type %S.ref.loc9 [concrete = constants.%const]
// CHECK:STDOUT: %.loc9_26.1: ref %const = as_compatible %s.ref.loc9
// CHECK:STDOUT: %.loc9_26.2: ref %const = converted %s.ref.loc9, %.loc9_26.1
// CHECK:STDOUT: %addr.loc9: %ptr.ff5 = addr_of %.loc9_26.2
// CHECK:STDOUT: %TakesConstLValue__carbon_thunk.call.loc9: init %empty_tuple.type = call imports.%TakesConstLValue__carbon_thunk.decl(%addr.loc9)
// CHECK:STDOUT: %Cpp.ref.loc11: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %TakesConstLValue.ref.loc11: %.4e1 = name_ref TakesConstLValue, imports.%.9bc [concrete = constants.%empty_struct]
// CHECK:STDOUT: %s.ref.loc11: ref %S = name_ref s, %s
// CHECK:STDOUT: %addr.loc11: %ptr.5c7 = addr_of %s.ref.loc11
// CHECK:STDOUT: %.loc11_24.1: %ptr.ff5 = as_compatible %addr.loc11
// CHECK:STDOUT: %.loc11_24.2: %ptr.ff5 = converted %addr.loc11, %.loc11_24.1
// CHECK:STDOUT: %TakesConstLValue__carbon_thunk.call.loc11: init %empty_tuple.type = call imports.%TakesConstLValue__carbon_thunk.decl(%.loc11_24.2)
// CHECK:STDOUT: %T.as.Destroy.impl.Op.bound: <bound method> = bound_method %s.var, constants.%T.as.Destroy.impl.Op.062
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %bound_method: <bound method> = bound_method %s.var, %T.as.Destroy.impl.Op.specific_fn
// CHECK:STDOUT: %addr.loc8: %ptr.5c7 = addr_of %s.var
// CHECK:STDOUT: %T.as.Destroy.impl.Op.call: init %empty_tuple.type = call %bound_method(%addr.loc8)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_const_lvalue_ref.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %S: type = class_type @S [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %pattern_type.7da: type = pattern_type %S [concrete]
// CHECK:STDOUT: %S.val: %S = struct_value () [concrete]
// CHECK:STDOUT: %.4e1: type = cpp_overload_set_type @TakesConstLValue [concrete]
// CHECK:STDOUT: %empty_struct: %.4e1 = struct_value () [concrete]
// CHECK:STDOUT: %const: type = const_type %S [concrete]
// CHECK:STDOUT: %ptr.ff5: type = ptr_type %const [concrete]
// CHECK:STDOUT: %TakesConstLValue__carbon_thunk.type: type = fn_type @TakesConstLValue__carbon_thunk [concrete]
// CHECK:STDOUT: %TakesConstLValue__carbon_thunk: %TakesConstLValue__carbon_thunk.type = struct_value () [concrete]
// CHECK:STDOUT: %ptr.5c7: type = ptr_type %S [concrete]
// CHECK:STDOUT: %T.e15: type = class_type @T [concrete]
// CHECK:STDOUT: %pattern_type.e6b: type = pattern_type %T.e15 [concrete]
// CHECK:STDOUT: %T.as.Destroy.impl.Op.type.559: type = fn_type @T.as.Destroy.impl.Op, @T.as.Destroy.impl(%T.e15) [concrete]
// CHECK:STDOUT: %T.as.Destroy.impl.Op.b53: %T.as.Destroy.impl.Op.type.559 = struct_value () [concrete]
// CHECK:STDOUT: %ptr.b04: type = ptr_type %T.e15 [concrete]
// CHECK:STDOUT: %T.as.Destroy.impl.Op.type.d46: type = fn_type @T.as.Destroy.impl.Op, @T.as.Destroy.impl(%S) [concrete]
// CHECK:STDOUT: %T.as.Destroy.impl.Op.062: %T.as.Destroy.impl.Op.type.d46 = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .S = %S.decl
// CHECK:STDOUT: .TakesConstLValue = %.9bc
// CHECK:STDOUT: .T = %T.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %S.decl: type = class_decl @S [concrete = constants.%S] {} {}
// CHECK:STDOUT: %.9bc: %.4e1 = cpp_overload_set_value @TakesConstLValue [concrete = constants.%empty_struct]
// CHECK:STDOUT: %TakesConstLValue__carbon_thunk.decl: %TakesConstLValue__carbon_thunk.type = fn_decl @TakesConstLValue__carbon_thunk [concrete = constants.%TakesConstLValue__carbon_thunk] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: %T.decl: type = class_decl @T [concrete = constants.%T.e15] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %s.patt: %pattern_type.7da = binding_pattern s [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %.loc12_19.1: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %.loc12_13: type = splice_block %S.ref [concrete = constants.%S] {
// CHECK:STDOUT: %Cpp.ref.loc12: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %S.ref: type = name_ref S, imports.%S.decl [concrete = constants.%S]
// CHECK:STDOUT: }
// CHECK:STDOUT: %.loc12_19.2: ref %S = temporary_storage
// CHECK:STDOUT: %.loc12_19.3: init %S = class_init (), %.loc12_19.2 [concrete = constants.%S.val]
// CHECK:STDOUT: %.loc12_19.4: ref %S = temporary %.loc12_19.2, %.loc12_19.3
// CHECK:STDOUT: %.loc12_19.5: ref %S = converted %.loc12_19.1, %.loc12_19.4
// CHECK:STDOUT: %.loc12_19.6: %S = bind_value %.loc12_19.5
// CHECK:STDOUT: %s: %S = bind_name s, %.loc12_19.6
// CHECK:STDOUT: %Cpp.ref.loc18: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %TakesConstLValue.ref.loc18: %.4e1 = name_ref TakesConstLValue, imports.%.9bc [concrete = constants.%empty_struct]
// CHECK:STDOUT: %s.ref: %S = name_ref s, %s
// CHECK:STDOUT: %.loc18_24.1: ref %S = temporary_storage
// CHECK:STDOUT: %addr.loc18: %ptr.5c7 = addr_of %.loc18_24.1
// CHECK:STDOUT: %.loc18_24.2: %ptr.ff5 = as_compatible %addr.loc18
// CHECK:STDOUT: %.loc18_24.3: %ptr.ff5 = converted %addr.loc18, %.loc18_24.2
// CHECK:STDOUT: %TakesConstLValue__carbon_thunk.call: init %empty_tuple.type = call imports.%TakesConstLValue__carbon_thunk.decl(%.loc18_24.3)
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %t.patt: %pattern_type.e6b = binding_pattern t [concrete]
// CHECK:STDOUT: %t.var_patt: %pattern_type.e6b = var_pattern %t.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %t.var: ref %T.e15 = var %t.var_patt
// CHECK:STDOUT: %.loc20: type = splice_block %T.ref [concrete = constants.%T.e15] {
// CHECK:STDOUT: %Cpp.ref.loc20: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %T.ref: type = name_ref T, imports.%T.decl [concrete = constants.%T.e15]
// CHECK:STDOUT: }
// CHECK:STDOUT: %t: ref %T.e15 = bind_name t, %t.var
// CHECK:STDOUT: %Cpp.ref.loc28: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %TakesConstLValue.ref.loc28: %.4e1 = name_ref TakesConstLValue, imports.%.9bc [concrete = constants.%empty_struct]
// CHECK:STDOUT: %t.ref: ref %T.e15 = name_ref t, %t
// CHECK:STDOUT: %T.as.Destroy.impl.Op.bound.loc20: <bound method> = bound_method %t.var, constants.%T.as.Destroy.impl.Op.b53
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %bound_method.loc20: <bound method> = bound_method %t.var, %T.as.Destroy.impl.Op.specific_fn.1
// CHECK:STDOUT: %addr.loc20: %ptr.b04 = addr_of %t.var
// CHECK:STDOUT: %T.as.Destroy.impl.Op.call.loc20: init %empty_tuple.type = call %bound_method.loc20(%addr.loc20)
// CHECK:STDOUT: %T.as.Destroy.impl.Op.bound.loc12: <bound method> = bound_method %.loc12_19.4, constants.%T.as.Destroy.impl.Op.062
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %bound_method.loc12: <bound method> = bound_method %.loc12_19.4, %T.as.Destroy.impl.Op.specific_fn.2
// CHECK:STDOUT: %addr.loc12: %ptr.5c7 = addr_of %.loc12_19.4
// CHECK:STDOUT: %T.as.Destroy.impl.Op.call.loc12: init %empty_tuple.type = call %bound_method.loc12(%addr.loc12)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: