[Carbon/C++ interop] Add support for C++ overloaded functions (#5891)

As proposed in [Carbon: C++ interop for overloaded functions and
function
templates](https://docs.google.com/document/d/1KUxumZtNe3mY3TsjW2s_ZADOlAaFlrtsLKHVILtqIaM/edit?tab=t.0),
Clang is used to perform the overload resolution using C++ rules, when
an overloaded C++ set is called from Carbon. Once a function is
selected, it's converted into a Carbon function and called using the
Carbon rules including argument conversions.

A single non-templated function is treated the same way as an overload
set and the same rules apply for its call.
Template functions are not supported yet.

Demo:

a) Non-templated function calls:

```c++
// --- overloads.h

auto foo(int a, short b) -> void;
auto foo(double a) -> void;
auto foo(int a) -> void;
```

```c++
// overloads.cpp

#include "overloads.h"
#include <cstdio>

auto foo(int a, short b) -> void {
  printf("hello from foo_int_short(%d, %d) \n", a, b);
}
auto foo(double a) -> void { printf("hello from foo_double(%f) \n", a); }
auto foo(int a) -> void { printf("hello from foo_int(%d) \n", a); }
```
```c++
library "Main";

import Cpp library "overloads.h";

fn Run() -> i32 {
  Cpp.foo(1.1 as f64);
  return 0;
}
```
```
$ clang -c overloads.cpp 
$ bazel-bin/toolchain/carbon compile main.carbon
$ bazel-bin/toolchain/carbon link overloads.o main.o --output=demo
$ ./demo
hello from foo_double(1.100000) 
```

b) Constructors:
```c++
// --- constructor_overloads.h
class C {
 public:
  C();
  C(int a, int b);
};
```

```c++
// constructor_overloads.cpp
#include "constructor_overloads.h"
#include <cstdio>

C::C() { printf("hello from C() \n"); }
C::C(int a, int b) { printf("hello from C(%d, %d) \n", a, b); }
```
```c++
library "Main";

import Cpp library "constructor_overloads.h";

fn Run() -> i32 {
  let c1: Cpp.C = Cpp.C.C();
  let c2: Cpp.C = Cpp.C.C(1, 2);
  return 0;
}
```

```
$ clang -c constructor_overloads.cpp 
$ bazel-bin/toolchain/carbon compile main.carbon
$ bazel-bin/toolchain/carbon link constructor_overloads.o main.o \--output=demo
$ ./demo
hello from C() 
hello from C(1, 2) 
```


Follow-ups:

- `Cpp.foo({})` - proper handling of struct literals as call args.
- Fix access for overloaded sets.
- Fix tests:
- Method calls: `error: missing object argument in method call
[MissingObjectInMethodCall]` in tests.
    - Fix `toolchain/check/testdata/interop/cpp/import.carbon` test.
    - Fix `enums` support.
    - Fix `str` -> `std::string_view` mapping.


Part of #5915
This commit is contained in:
Ivana Ivanovska
2025-09-15 12:29:49 +00:00
committed by GitHub
parent 20ac6b9270
commit 12ddfb9c7c
61 changed files with 4633 additions and 2252 deletions
+142 -186
View File
@@ -24,30 +24,25 @@ auto foo(U) -> void;
library "[[@TEST_NAME]]";
// CHECK:STDERR: fail_import_decl_value_param_type.carbon:[[@LINE+8]]:10: in file included here [InCppInclude]
// CHECK:STDERR: ./decl_value_param_type.h:4:6: error: argument type 'U' is incomplete [CppInteropParseError]
// CHECK:STDERR: 4 | auto foo(U) -> void;
// CHECK:STDERR: | ^~~
// CHECK:STDERR: fail_import_decl_value_param_type.carbon:[[@LINE+4]]:10: in file included here [InCppInclude]
// CHECK:STDERR: ./decl_value_param_type.h:2:7: note: forward declaration of 'U' [CppInteropParseNote]
// CHECK:STDERR: 2 | union U;
// CHECK:STDERR: | ^
import Cpp library "decl_value_param_type.h";
fn F() {
//@dump-sem-ir-begin
// CHECK:STDERR: fail_import_decl_value_param_type.carbon:[[@LINE+12]]:3: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
// CHECK:STDERR: Cpp.foo({} as Cpp.U);
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
// CHECK:STDERR: fail_import_decl_value_param_type.carbon:[[@LINE+8]]:11: error: invalid use of incomplete type `Cpp.U` [IncompleteTypeInConversion]
// CHECK:STDERR: fail_import_decl_value_param_type.carbon:[[@LINE+15]]:11: error: invalid use of incomplete type `Cpp.U` [IncompleteTypeInConversion]
// CHECK:STDERR: Cpp.foo({} as Cpp.U);
// CHECK:STDERR: ^~~~~~~~~~~
// CHECK:STDERR: fail_import_decl_value_param_type.carbon:[[@LINE-11]]:10: in file included here [InCppInclude]
// CHECK:STDERR: fail_import_decl_value_param_type.carbon:[[@LINE-7]]:10: in file included here [InCppInclude]
// CHECK:STDERR: ./decl_value_param_type.h:2:7: note: class was forward declared here [ClassForwardDeclaredHere]
// CHECK:STDERR: union U;
// CHECK:STDERR: ^
// CHECK:STDERR:
// CHECK:STDERR: fail_import_decl_value_param_type.carbon:[[@LINE+7]]:3: error: call argument of type `<error>` is not supported [CppCallArgTypeNotSupported]
// CHECK:STDERR: Cpp.foo({} as Cpp.U);
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR: fail_import_decl_value_param_type.carbon:[[@LINE+4]]:3: note: in call to Cpp function here [InCallToCppFunction]
// CHECK:STDERR: Cpp.foo({} as Cpp.U);
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
Cpp.foo({} as Cpp.U);
//@dump-sem-ir-end
}
@@ -56,34 +51,29 @@ fn F() {
library "[[@TEST_NAME]]";
// CHECK:STDERR: fail_import_decl_value_param_type_previously_imported.carbon:[[@LINE+8]]:10: in file included here [InCppInclude]
// CHECK:STDERR: ./decl_value_param_type.h:4:6: error: argument type 'U' is incomplete [CppInteropParseError]
// CHECK:STDERR: 4 | auto foo(U) -> void;
// CHECK:STDERR: | ^~~
// CHECK:STDERR: fail_import_decl_value_param_type_previously_imported.carbon:[[@LINE+4]]:10: in file included here [InCppInclude]
// CHECK:STDERR: ./decl_value_param_type.h:2:7: note: forward declaration of 'U' [CppInteropParseNote]
// CHECK:STDERR: 2 | union U;
// CHECK:STDERR: | ^
import Cpp library "decl_value_param_type.h";
fn F() {
let u: Cpp.U;
// CHECK:STDERR: fail_import_decl_value_param_type_previously_imported.carbon:[[@LINE+16]]:3: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
// CHECK:STDERR: Cpp.foo(u);
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
// CHECK:STDERR: fail_import_decl_value_param_type_previously_imported.carbon:[[@LINE-5]]:10: error: binding pattern has incomplete type `U` in name binding declaration [IncompleteTypeInBindingDecl]
// CHECK:STDERR: fail_import_decl_value_param_type_previously_imported.carbon:[[@LINE+12]]:10: error: binding pattern has incomplete type `U` in name binding declaration [IncompleteTypeInBindingDecl]
// CHECK:STDERR: let u: Cpp.U;
// CHECK:STDERR: ^~~~~
// CHECK:STDERR: fail_import_decl_value_param_type_previously_imported.carbon:[[@LINE-11]]:10: in file included here [InCppInclude]
// CHECK:STDERR: fail_import_decl_value_param_type_previously_imported.carbon:[[@LINE-6]]:10: in file included here [InCppInclude]
// CHECK:STDERR: ./decl_value_param_type.h:2:7: note: class was forward declared here [ClassForwardDeclaredHere]
// CHECK:STDERR: union U;
// CHECK:STDERR: ^
// CHECK:STDERR:
// CHECK:STDERR: fail_import_decl_value_param_type_previously_imported.carbon:[[@LINE-13]]:15: error: expected `=`; `let` declaration must have an initializer [ExpectedInitializerAfterLet]
// CHECK:STDERR: fail_import_decl_value_param_type_previously_imported.carbon:[[@LINE+4]]:15: error: expected `=`; `let` declaration must have an initializer [ExpectedInitializerAfterLet]
// CHECK:STDERR: let u: Cpp.U;
// CHECK:STDERR: ^
// CHECK:STDERR:
let u: Cpp.U;
// CHECK:STDERR: fail_import_decl_value_param_type_previously_imported.carbon:[[@LINE+7]]:3: error: call argument of type `<error>` is not supported [CppCallArgTypeNotSupported]
// CHECK:STDERR: Cpp.foo(u);
// CHECK:STDERR: ^~~~~~~~~~
// CHECK:STDERR: fail_import_decl_value_param_type_previously_imported.carbon:[[@LINE+4]]:3: note: in call to Cpp function here [InCallToCppFunction]
// CHECK:STDERR: Cpp.foo(u);
// CHECK:STDERR: ^~~~~~~~~~
// CHECK:STDERR:
Cpp.foo(u);
}
@@ -102,49 +92,39 @@ auto foo2(U) -> void;
library "[[@TEST_NAME]]";
// CHECK:STDERR: fail_import_double_decl_value_param_type.carbon:[[@LINE+8]]:10: in file included here [InCppInclude]
// CHECK:STDERR: ./double_decl_value_param_type.h:4:6: error: argument type 'U' is incomplete [CppInteropParseError]
// CHECK:STDERR: 4 | auto foo1(U) -> void;
// CHECK:STDERR: | ^~~~
// CHECK:STDERR: fail_import_double_decl_value_param_type.carbon:[[@LINE+4]]:10: in file included here [InCppInclude]
// CHECK:STDERR: ./double_decl_value_param_type.h:2:7: note: forward declaration of 'U' [CppInteropParseNote]
// CHECK:STDERR: 2 | union U;
// CHECK:STDERR: | ^
import Cpp library "double_decl_value_param_type.h";
fn F() {
// CHECK:STDERR: fail_import_double_decl_value_param_type.carbon:[[@LINE+12]]:3: note: in `Cpp` name lookup for `foo1` [InCppNameLookup]
// CHECK:STDERR: fail_import_double_decl_value_param_type.carbon:[[@LINE+15]]:12: error: invalid use of incomplete type `Cpp.U` [IncompleteTypeInConversion]
// CHECK:STDERR: Cpp.foo1({} as Cpp.U);
// CHECK:STDERR: ^~~~~~~~
// CHECK:STDERR: ^~~~~~~~~~~
// CHECK:STDERR: fail_import_double_decl_value_param_type.carbon:[[@LINE-6]]:10: in file included here [InCppInclude]
// CHECK:STDERR: ./double_decl_value_param_type.h:2:7: note: class was forward declared here [ClassForwardDeclaredHere]
// CHECK:STDERR: union U;
// CHECK:STDERR: ^
// CHECK:STDERR:
// CHECK:STDERR: fail_import_double_decl_value_param_type.carbon:[[@LINE+7]]:3: error: call argument of type `<error>` is not supported [CppCallArgTypeNotSupported]
// CHECK:STDERR: Cpp.foo1({} as Cpp.U);
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR: fail_import_double_decl_value_param_type.carbon:[[@LINE+4]]:3: note: in call to Cpp function here [InCallToCppFunction]
// CHECK:STDERR: Cpp.foo1({} as Cpp.U);
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
// CHECK:STDERR: fail_import_double_decl_value_param_type.carbon:[[@LINE-7]]:10: in file included here [InCppInclude]
// CHECK:STDERR: ./double_decl_value_param_type.h:5:6: error: argument type 'U' is incomplete [CppInteropParseError]
// CHECK:STDERR: 5 | auto foo2(U) -> void;
// CHECK:STDERR: | ^~~~
// CHECK:STDERR: fail_import_double_decl_value_param_type.carbon:[[@LINE-11]]:10: in file included here [InCppInclude]
// CHECK:STDERR: ./double_decl_value_param_type.h:2:7: note: forward declaration of 'U' [CppInteropParseNote]
// CHECK:STDERR: 2 | union U;
// CHECK:STDERR: | ^
Cpp.foo1({} as Cpp.U);
// CHECK:STDERR: fail_import_double_decl_value_param_type.carbon:[[@LINE+20]]:3: note: in `Cpp` name lookup for `foo2` [InCppNameLookup]
// CHECK:STDERR: fail_import_double_decl_value_param_type.carbon:[[@LINE+15]]:12: error: invalid use of incomplete type `Cpp.U` [IncompleteTypeInConversion]
// CHECK:STDERR: Cpp.foo2({} as Cpp.U);
// CHECK:STDERR: ^~~~~~~~
// CHECK:STDERR:
// CHECK:STDERR: fail_import_double_decl_value_param_type.carbon:[[@LINE-5]]:12: error: invalid use of incomplete type `Cpp.U` [IncompleteTypeInConversion]
// CHECK:STDERR: Cpp.foo1({} as Cpp.U);
// CHECK:STDERR: ^~~~~~~~~~~
// CHECK:STDERR: fail_import_double_decl_value_param_type.carbon:[[@LINE-23]]:10: in file included here [InCppInclude]
// CHECK:STDERR: fail_import_double_decl_value_param_type.carbon:[[@LINE-22]]:10: in file included here [InCppInclude]
// CHECK:STDERR: ./double_decl_value_param_type.h:2:7: note: class was forward declared here [ClassForwardDeclaredHere]
// CHECK:STDERR: union U;
// CHECK:STDERR: ^
// CHECK:STDERR:
// CHECK:STDERR: fail_import_double_decl_value_param_type.carbon:[[@LINE+8]]:12: error: invalid use of incomplete type `Cpp.U` [IncompleteTypeInConversion]
// CHECK:STDERR: fail_import_double_decl_value_param_type.carbon:[[@LINE+7]]:3: error: call argument of type `<error>` is not supported [CppCallArgTypeNotSupported]
// CHECK:STDERR: Cpp.foo2({} as Cpp.U);
// CHECK:STDERR: ^~~~~~~~~~~
// CHECK:STDERR: fail_import_double_decl_value_param_type.carbon:[[@LINE-31]]:10: in file included here [InCppInclude]
// CHECK:STDERR: ./double_decl_value_param_type.h:2:7: note: class was forward declared here [ClassForwardDeclaredHere]
// CHECK:STDERR: union U;
// CHECK:STDERR: ^
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR: fail_import_double_decl_value_param_type.carbon:[[@LINE+4]]:3: note: in call to Cpp function here [InCallToCppFunction]
// CHECK:STDERR: Cpp.foo2({} as Cpp.U);
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
Cpp.foo2({} as Cpp.U);
}
@@ -423,9 +403,9 @@ library "[[@TEST_NAME]]";
import Cpp library "decl_value_return_type.h";
fn F() {
// CHECK:STDERR: fail_import_decl_value_return_type.carbon:[[@LINE+13]]:3: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
// CHECK:STDERR: fail_import_decl_value_return_type.carbon:[[@LINE+13]]:3: note: in call to Cpp function here [InCallToCppFunction]
// CHECK:STDERR: Cpp.foo();
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: ^~~~~~~~~
// CHECK:STDERR:
// CHECK:STDERR: fail_import_decl_value_return_type.carbon:[[@LINE+9]]:3: error: function returns incomplete type `Cpp.U` [IncompleteTypeInFunctionReturnType]
// CHECK:STDERR: Cpp.foo();
@@ -508,35 +488,29 @@ fn F() {
// CHECK:STDOUT: --- fail_import_decl_value_param_type.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: %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT: %foo: %foo.type = struct_value () [concrete]
// CHECK:STDOUT: %.c5d: type = cpp_overload_set_type @<null name> [concrete]
// CHECK:STDOUT: %empty_struct: %.c5d = struct_value () [concrete]
// 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 = %foo.decl
// CHECK:STDOUT: .foo = %.a21
// CHECK:STDOUT: .U = %U.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %U.decl: type = class_decl @U [concrete = constants.%U] {} {}
// CHECK:STDOUT: %foo.decl: %foo.type = fn_decl @foo [concrete = constants.%foo] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: %.a21: %.c5d = cpp_overload_set_value @<null name> [concrete = constants.%empty_struct]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref.loc28_3: <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: %.loc28: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %Cpp.ref.loc28_17: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %Cpp.ref.loc23_3: <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: %.loc23: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %Cpp.ref.loc23_17: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %U.ref: type = name_ref U, imports.%U.decl [concrete = constants.%U]
// CHECK:STDOUT: %foo.call: init %empty_tuple.type = call %foo.ref(<error>)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
@@ -545,29 +519,25 @@ fn F() {
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %U: type = class_type @U [concrete]
// CHECK:STDOUT: %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT: %foo: %foo.type = struct_value () [concrete]
// CHECK:STDOUT: %.c5d: type = cpp_overload_set_type @foo [concrete]
// CHECK:STDOUT: %empty_struct: %.c5d = struct_value () [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %U.val: %U = struct_value () [concrete]
// CHECK:STDOUT: %ptr.86f: type = ptr_type %U [concrete]
// CHECK:STDOUT: %foo__carbon_thunk.type: type = fn_type @foo__carbon_thunk [concrete]
// CHECK:STDOUT: %foo__carbon_thunk: %foo__carbon_thunk.type = struct_value () [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %U.val: %U = struct_value () [concrete]
// CHECK:STDOUT: %T.as.Destroy.impl.Op.type.3b9: type = fn_type @T.as.Destroy.impl.Op, @T.as.Destroy.impl(%U) [concrete]
// CHECK:STDOUT: %T.as.Destroy.impl.Op.d78: %T.as.Destroy.impl.Op.type.3b9 = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .foo = %foo.decl
// CHECK:STDOUT: .foo = %.a21
// CHECK:STDOUT: .U = %U.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %U.decl: type = class_decl @U [concrete = constants.%U] {} {}
// CHECK:STDOUT: %foo.decl: %foo.type = fn_decl @foo [concrete = constants.%foo] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: %.a21: %.c5d = cpp_overload_set_value @foo [concrete = constants.%empty_struct]
// CHECK:STDOUT: %foo__carbon_thunk.decl: %foo__carbon_thunk.type = fn_decl @foo__carbon_thunk [concrete = constants.%foo__carbon_thunk] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
@@ -578,7 +548,7 @@ fn F() {
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref.loc8_3: <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: %foo.ref: %.c5d = name_ref foo, imports.%.a21 [concrete = constants.%empty_struct]
// CHECK:STDOUT: %.loc8_12.1: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %Cpp.ref.loc8_17: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %U.ref: type = name_ref U, imports.%U.decl [concrete = constants.%U]
@@ -603,26 +573,22 @@ fn F() {
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %U: type = class_type @U [concrete]
// CHECK:STDOUT: %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT: %foo: %foo.type = struct_value () [concrete]
// CHECK:STDOUT: %.c5d: type = cpp_overload_set_type @As.Convert [concrete]
// CHECK:STDOUT: %empty_struct: %.c5d = struct_value () [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %ptr.86f: type = ptr_type %U [concrete]
// CHECK:STDOUT: %foo__carbon_thunk.type: type = fn_type @foo__carbon_thunk [concrete]
// CHECK:STDOUT: %foo__carbon_thunk: %foo__carbon_thunk.type = struct_value () [concrete]
// CHECK:STDOUT: %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 = %foo.decl
// CHECK:STDOUT: .foo = %.a21
// CHECK:STDOUT: .U = %U.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %U.decl: type = class_decl @U [concrete = constants.%U] {} {}
// CHECK:STDOUT: %foo.decl: %foo.type = fn_decl @foo [concrete = constants.%foo] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: %.a21: %.c5d = cpp_overload_set_value @As.Convert [concrete = constants.%empty_struct]
// CHECK:STDOUT: %foo__carbon_thunk.decl: %foo__carbon_thunk.type = fn_decl @foo__carbon_thunk [concrete = constants.%foo__carbon_thunk] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
@@ -633,7 +599,7 @@ fn F() {
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref.loc15_3: <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: %foo.ref: %.c5d = name_ref foo, imports.%.a21 [concrete = constants.%empty_struct]
// CHECK:STDOUT: %.loc15_12: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %Cpp.ref.loc15_17: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %U.ref: type = name_ref U, imports.%U.decl [concrete = constants.%U]
@@ -648,26 +614,22 @@ fn F() {
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %U: type = class_type @U [concrete]
// CHECK:STDOUT: %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT: %foo: %foo.type = struct_value () [concrete]
// CHECK:STDOUT: %.c5d: type = cpp_overload_set_type @As.Convert [concrete]
// CHECK:STDOUT: %empty_struct: %.c5d = struct_value () [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %ptr.86f: type = ptr_type %U [concrete]
// CHECK:STDOUT: %foo__carbon_thunk.type: type = fn_type @foo__carbon_thunk [concrete]
// CHECK:STDOUT: %foo__carbon_thunk: %foo__carbon_thunk.type = struct_value () [concrete]
// CHECK:STDOUT: %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 = %foo.decl
// CHECK:STDOUT: .foo = %.a21
// CHECK:STDOUT: .U = %U.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %U.decl: type = class_decl @U [concrete = constants.%U] {} {}
// CHECK:STDOUT: %foo.decl: %foo.type = fn_decl @foo [concrete = constants.%foo] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: %.a21: %.c5d = cpp_overload_set_value @As.Convert [concrete = constants.%empty_struct]
// CHECK:STDOUT: %foo__carbon_thunk.decl: %foo__carbon_thunk.type = fn_decl @foo__carbon_thunk [concrete = constants.%foo__carbon_thunk] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
@@ -678,7 +640,7 @@ fn F() {
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref.loc15_3: <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: %foo.ref: %.c5d = name_ref foo, imports.%.a21 [concrete = constants.%empty_struct]
// CHECK:STDOUT: %.loc15_12: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %Cpp.ref.loc15_17: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %U.ref: type = name_ref U, imports.%U.decl [concrete = constants.%U]
@@ -693,21 +655,21 @@ fn F() {
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %U: type = class_type @U [concrete]
// CHECK:STDOUT: %.c5d: type = cpp_overload_set_type @foo [concrete]
// CHECK:STDOUT: %empty_struct: %.c5d = struct_value () [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %U.val: %U = struct_value () [concrete]
// CHECK:STDOUT: %pattern_type.eb9: type = pattern_type %U [concrete]
// CHECK:STDOUT: %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT: %foo: %foo.type = struct_value () [concrete]
// CHECK:STDOUT: %ptr.87e: type = ptr_type %U [concrete]
// CHECK:STDOUT: %foo__carbon_thunk.type: type = fn_type @foo__carbon_thunk [concrete]
// CHECK:STDOUT: %foo__carbon_thunk: %foo__carbon_thunk.type = struct_value () [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %U.val: %U = struct_value () [concrete]
// CHECK:STDOUT: %T.as.Destroy.impl.Op.type.ebf: type = fn_type @T.as.Destroy.impl.Op, @T.as.Destroy.impl(%U) [concrete]
// CHECK:STDOUT: %T.as.Destroy.impl.Op.e62: %T.as.Destroy.impl.Op.type.ebf = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .foo = %foo.decl
// CHECK:STDOUT: .foo = %.a21
// CHECK:STDOUT: .N = %N
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
@@ -716,11 +678,7 @@ fn F() {
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %U.decl: type = class_decl @U [concrete = constants.%U] {} {}
// CHECK:STDOUT: %foo.decl: %foo.type = fn_decl @foo [concrete = constants.%foo] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: %.a21: %.c5d = cpp_overload_set_value @foo [concrete = constants.%empty_struct]
// CHECK:STDOUT: %foo__carbon_thunk.decl: %foo__carbon_thunk.type = fn_decl @foo__carbon_thunk [concrete = constants.%foo__carbon_thunk] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
@@ -731,7 +689,7 @@ fn F() {
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref.loc8_3: <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: %foo.ref: %.c5d = name_ref foo, imports.%.a21 [concrete = constants.%empty_struct]
// CHECK:STDOUT: %.loc8_12.1: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %Cpp.ref.loc8_17: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %N.ref.loc8: <namespace> = name_ref N, imports.%N [concrete = imports.%N]
@@ -773,13 +731,13 @@ fn F() {
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %U: type = class_type @U [concrete]
// CHECK:STDOUT: %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT: %foo: %foo.type = struct_value () [concrete]
// CHECK:STDOUT: %.92e: type = cpp_overload_set_type @foo [concrete]
// CHECK:STDOUT: %empty_struct: %.92e = struct_value () [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %U.val: %U = struct_value () [concrete]
// CHECK:STDOUT: %ptr.8c1: type = ptr_type %U [concrete]
// CHECK:STDOUT: %foo__carbon_thunk.type: type = fn_type @foo__carbon_thunk [concrete]
// CHECK:STDOUT: %foo__carbon_thunk: %foo__carbon_thunk.type = struct_value () [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %U.val: %U = struct_value () [concrete]
// CHECK:STDOUT: %T.as.Destroy.impl.Op.type.fbc: type = fn_type @T.as.Destroy.impl.Op, @T.as.Destroy.impl(%U) [concrete]
// CHECK:STDOUT: %T.as.Destroy.impl.Op.d28: %T.as.Destroy.impl.Op.type.fbc = struct_value () [concrete]
// CHECK:STDOUT: }
@@ -790,7 +748,7 @@ fn F() {
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %N1: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .foo = %foo.decl
// CHECK:STDOUT: .foo = %.218
// CHECK:STDOUT: .N2 = %N2
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
@@ -799,11 +757,7 @@ fn F() {
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %U.decl: type = class_decl @U [concrete = constants.%U] {} {}
// CHECK:STDOUT: %foo.decl: %foo.type = fn_decl @foo [concrete = constants.%foo] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: %.218: %.92e = cpp_overload_set_value @foo [concrete = constants.%empty_struct]
// CHECK:STDOUT: %foo__carbon_thunk.decl: %foo__carbon_thunk.type = fn_decl @foo__carbon_thunk [concrete = constants.%foo__carbon_thunk] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
@@ -815,7 +769,7 @@ fn F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref.loc8_3: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %N1.ref.loc8_6: <namespace> = name_ref N1, imports.%N1 [concrete = imports.%N1]
// CHECK:STDOUT: %foo.ref: %foo.type = name_ref foo, imports.%foo.decl [concrete = constants.%foo]
// CHECK:STDOUT: %foo.ref: %.92e = name_ref foo, imports.%.218 [concrete = constants.%empty_struct]
// CHECK:STDOUT: %.loc8_15.1: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %Cpp.ref.loc8_20: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %N1.ref.loc8_23: <namespace> = name_ref N1, imports.%N1 [concrete = imports.%N1]
@@ -843,13 +797,13 @@ fn F() {
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %O: type = class_type @O [concrete]
// CHECK:STDOUT: %U: type = class_type @U [concrete]
// CHECK:STDOUT: %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT: %foo: %foo.type = struct_value () [concrete]
// CHECK:STDOUT: %.c5d: type = cpp_overload_set_type @foo [concrete]
// CHECK:STDOUT: %empty_struct: %.c5d = struct_value () [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %U.val: %U = struct_value () [concrete]
// CHECK:STDOUT: %ptr.a6c: type = ptr_type %U [concrete]
// CHECK:STDOUT: %foo__carbon_thunk.type: type = fn_type @foo__carbon_thunk [concrete]
// CHECK:STDOUT: %foo__carbon_thunk: %foo__carbon_thunk.type = struct_value () [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %U.val: %U = struct_value () [concrete]
// CHECK:STDOUT: %pattern_type.cff: type = pattern_type %O [concrete]
// CHECK:STDOUT: %T.as.Destroy.impl.Op.type.a33: type = fn_type @T.as.Destroy.impl.Op, @T.as.Destroy.impl(%O) [concrete]
// CHECK:STDOUT: %T.as.Destroy.impl.Op.b71: %T.as.Destroy.impl.Op.type.a33 = struct_value () [concrete]
@@ -860,17 +814,13 @@ fn F() {
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .foo = %foo.decl
// CHECK:STDOUT: .foo = %.a21
// CHECK:STDOUT: .O = %O.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %O.decl: type = class_decl @O [concrete = constants.%O] {} {}
// CHECK:STDOUT: %U.decl: type = class_decl @U [concrete = constants.%U] {} {}
// CHECK:STDOUT: %foo.decl: %foo.type = fn_decl @foo [concrete = constants.%foo] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: %.a21: %.c5d = cpp_overload_set_value @foo [concrete = constants.%empty_struct]
// CHECK:STDOUT: %foo__carbon_thunk.decl: %foo__carbon_thunk.type = fn_decl @foo__carbon_thunk [concrete = constants.%foo__carbon_thunk] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
@@ -881,7 +831,7 @@ fn F() {
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref.loc8_3: <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: %foo.ref: %.c5d = name_ref foo, imports.%.a21 [concrete = constants.%empty_struct]
// CHECK:STDOUT: %.loc8_12.1: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %Cpp.ref.loc8_17: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %O.ref.loc8: type = name_ref O, imports.%O.decl [concrete = constants.%O]
@@ -923,14 +873,16 @@ fn F() {
// 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: %.372: type = cpp_overload_set_type @foo [concrete]
// CHECK:STDOUT: %empty_struct.e6c: %.372 = struct_value () [concrete]
// CHECK:STDOUT: %U.bar.type: type = fn_type @U.bar [concrete]
// CHECK:STDOUT: %U.bar: %U.bar.type = struct_value () [concrete]
// CHECK:STDOUT: %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT: %foo: %foo.type = struct_value () [concrete]
// CHECK:STDOUT: %.c5d: type = cpp_overload_set_type @foo__carbon_thunk [concrete]
// CHECK:STDOUT: %empty_struct.109: %.c5d = struct_value () [concrete]
// CHECK:STDOUT: %U.val: %U = struct_value () [concrete]
// CHECK:STDOUT: %ptr.86f: type = ptr_type %U [concrete]
// CHECK:STDOUT: %foo__carbon_thunk.type: type = fn_type @foo__carbon_thunk [concrete]
// CHECK:STDOUT: %foo__carbon_thunk: %foo__carbon_thunk.type = struct_value () [concrete]
// CHECK:STDOUT: %U.val: %U = struct_value () [concrete]
// CHECK:STDOUT: %T.as.Destroy.impl.Op.type.3b9: type = fn_type @T.as.Destroy.impl.Op, @T.as.Destroy.impl(%U) [concrete]
// CHECK:STDOUT: %T.as.Destroy.impl.Op.d78: %T.as.Destroy.impl.Op.type.3b9 = struct_value () [concrete]
// CHECK:STDOUT: }
@@ -938,16 +890,13 @@ fn F() {
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .U = %U.decl
// CHECK:STDOUT: .foo = %foo.decl
// CHECK:STDOUT: .foo = %.a21
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %U.decl: type = class_decl @U [concrete = constants.%U] {} {}
// CHECK:STDOUT: %.a8c: %.372 = cpp_overload_set_value @foo [concrete = constants.%empty_struct.e6c]
// CHECK:STDOUT: %U.bar.decl: %U.bar.type = fn_decl @U.bar [concrete = constants.%U.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: %.a21: %.c5d = cpp_overload_set_value @foo__carbon_thunk [concrete = constants.%empty_struct.109]
// CHECK:STDOUT: %foo__carbon_thunk.decl: %foo__carbon_thunk.type = fn_decl @foo__carbon_thunk [concrete = constants.%foo__carbon_thunk] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
@@ -959,10 +908,10 @@ fn F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref.loc8: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %U.ref.loc8: type = name_ref U, imports.%U.decl [concrete = constants.%U]
// CHECK:STDOUT: %bar.ref: %U.bar.type = name_ref bar, imports.%U.bar.decl [concrete = constants.%U.bar]
// CHECK:STDOUT: %U.bar.call: init %empty_tuple.type = call %bar.ref()
// CHECK:STDOUT: %bar.ref: %.372 = name_ref bar, imports.%.a8c [concrete = constants.%empty_struct.e6c]
// CHECK:STDOUT: %U.bar.call: init %empty_tuple.type = call imports.%U.bar.decl()
// CHECK:STDOUT: %Cpp.ref.loc9_3: <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: %foo.ref: %.c5d = name_ref foo, imports.%.a21 [concrete = constants.%empty_struct.109]
// CHECK:STDOUT: %.loc9_12.1: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %Cpp.ref.loc9_17: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %U.ref.loc9: type = name_ref U, imports.%U.decl [concrete = constants.%U]
@@ -987,13 +936,15 @@ fn F() {
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %U: type = class_type @U [concrete]
// CHECK:STDOUT: %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT: %foo: %foo.type = struct_value () [concrete]
// CHECK:STDOUT: %.c5d: type = cpp_overload_set_type @foo__carbon_thunk [concrete]
// CHECK:STDOUT: %empty_struct.109: %.c5d = struct_value () [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %U.val: %U = struct_value () [concrete]
// CHECK:STDOUT: %ptr.86f: type = ptr_type %U [concrete]
// CHECK:STDOUT: %foo__carbon_thunk.type: type = fn_type @foo__carbon_thunk [concrete]
// CHECK:STDOUT: %foo__carbon_thunk: %foo__carbon_thunk.type = struct_value () [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %U.val: %U = struct_value () [concrete]
// CHECK:STDOUT: %.372: type = cpp_overload_set_type @U.bar [concrete]
// CHECK:STDOUT: %empty_struct.e6c: %.372 = struct_value () [concrete]
// CHECK:STDOUT: %U.bar.type: type = fn_type @U.bar [concrete]
// CHECK:STDOUT: %U.bar: %U.bar.type = struct_value () [concrete]
// CHECK:STDOUT: %T.as.Destroy.impl.Op.type.3b9: type = fn_type @T.as.Destroy.impl.Op, @T.as.Destroy.impl(%U) [concrete]
@@ -1002,28 +953,25 @@ fn F() {
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .foo = %foo.decl
// CHECK:STDOUT: .foo = %.a21
// CHECK:STDOUT: .U = %U.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %U.decl: type = class_decl @U [concrete = constants.%U] {} {}
// CHECK:STDOUT: %foo.decl: %foo.type = fn_decl @foo [concrete = constants.%foo] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: %.a21: %.c5d = cpp_overload_set_value @foo__carbon_thunk [concrete = constants.%empty_struct.109]
// CHECK:STDOUT: %foo__carbon_thunk.decl: %foo__carbon_thunk.type = fn_decl @foo__carbon_thunk [concrete = constants.%foo__carbon_thunk] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: %.a8c: %.372 = cpp_overload_set_value @U.bar [concrete = constants.%empty_struct.e6c]
// CHECK:STDOUT: %U.bar.decl: %U.bar.type = fn_decl @U.bar [concrete = constants.%U.bar] {} {}
// 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: %foo.ref: %foo.type = name_ref foo, imports.%foo.decl [concrete = constants.%foo]
// CHECK:STDOUT: %foo.ref: %.c5d = name_ref foo, imports.%.a21 [concrete = constants.%empty_struct.109]
// CHECK:STDOUT: %.loc8_12.1: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %Cpp.ref.loc8_17: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %U.ref.loc8: type = name_ref U, imports.%U.decl [concrete = constants.%U]
@@ -1037,8 +985,8 @@ fn F() {
// CHECK:STDOUT: %foo__carbon_thunk.call: init %empty_tuple.type = call imports.%foo__carbon_thunk.decl(%addr.loc8_22)
// CHECK:STDOUT: %Cpp.ref.loc9: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %U.ref.loc9: type = name_ref U, imports.%U.decl [concrete = constants.%U]
// CHECK:STDOUT: %bar.ref: %U.bar.type = name_ref bar, imports.%U.bar.decl [concrete = constants.%U.bar]
// CHECK:STDOUT: %U.bar.call: init %empty_tuple.type = call %bar.ref()
// CHECK:STDOUT: %bar.ref: %.372 = name_ref bar, imports.%.a8c [concrete = constants.%empty_struct.e6c]
// CHECK:STDOUT: %U.bar.call: init %empty_tuple.type = call imports.%U.bar.decl()
// CHECK:STDOUT: %T.as.Destroy.impl.Op.bound: <bound method> = bound_method %.loc8_12.4, constants.%T.as.Destroy.impl.Op.d78
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %bound_method: <bound method> = bound_method %.loc8_12.4, %T.as.Destroy.impl.Op.specific_fn
@@ -1053,6 +1001,8 @@ fn F() {
// CHECK:STDOUT: %U: type = class_type @U [concrete]
// CHECK:STDOUT: %ptr: type = ptr_type %U [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %.c5d: type = cpp_overload_set_type @foo [concrete]
// CHECK:STDOUT: %empty_struct: %.c5d = struct_value () [concrete]
// CHECK:STDOUT: %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT: %foo: %foo.type = struct_value () [concrete]
// CHECK:STDOUT: }
@@ -1060,10 +1010,11 @@ fn F() {
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .U = %U.decl
// CHECK:STDOUT: .foo = %foo.decl
// CHECK:STDOUT: .foo = %.a21
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %U.decl: type = class_decl @U [concrete = constants.%U] {} {}
// CHECK:STDOUT: %.a21: %.c5d = cpp_overload_set_value @foo [concrete = constants.%empty_struct]
// CHECK:STDOUT: %foo.decl: %foo.type = fn_decl @foo [concrete = constants.%foo] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
@@ -1074,9 +1025,9 @@ fn F() {
// CHECK:STDOUT: fn @F(%u.param: %ptr) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref.loc8: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref: %foo.type = name_ref foo, imports.%foo.decl [concrete = constants.%foo]
// CHECK:STDOUT: %foo.ref: %.c5d = name_ref foo, imports.%.a21 [concrete = constants.%empty_struct]
// CHECK:STDOUT: %u.ref: %ptr = name_ref u, %u
// CHECK:STDOUT: %foo.call: init %empty_tuple.type = call %foo.ref(%u.ref)
// CHECK:STDOUT: %foo.call: init %empty_tuple.type = call imports.%foo.decl(%u.ref)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
@@ -1086,6 +1037,8 @@ fn F() {
// CHECK:STDOUT: %U: type = class_type @U [concrete]
// CHECK:STDOUT: %ptr: type = ptr_type %U [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %.c5d: type = cpp_overload_set_type @foo [concrete]
// CHECK:STDOUT: %empty_struct: %.c5d = struct_value () [concrete]
// CHECK:STDOUT: %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT: %foo: %foo.type = struct_value () [concrete]
// CHECK:STDOUT: }
@@ -1093,10 +1046,11 @@ fn F() {
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .U = %U.decl
// CHECK:STDOUT: .foo = %foo.decl
// CHECK:STDOUT: .foo = %.a21
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %U.decl: type = class_decl @U [concrete = constants.%U] {} {}
// CHECK:STDOUT: %.a21: %.c5d = cpp_overload_set_value @foo [concrete = constants.%empty_struct]
// CHECK:STDOUT: %foo.decl: %foo.type = fn_decl @foo [concrete = constants.%foo] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
@@ -1107,9 +1061,9 @@ fn F() {
// CHECK:STDOUT: fn @F(%u.param: %ptr) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref.loc8: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref: %foo.type = name_ref foo, imports.%foo.decl [concrete = constants.%foo]
// CHECK:STDOUT: %foo.ref: %.c5d = name_ref foo, imports.%.a21 [concrete = constants.%empty_struct]
// CHECK:STDOUT: %u.ref: %ptr = name_ref u, %u
// CHECK:STDOUT: %foo.call: init %empty_tuple.type = call %foo.ref(%u.ref)
// CHECK:STDOUT: %foo.call: init %empty_tuple.type = call imports.%foo.decl(%u.ref)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
@@ -1118,8 +1072,8 @@ fn F() {
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %U: type = class_type @U [concrete]
// CHECK:STDOUT: %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT: %foo: %foo.type = struct_value () [concrete]
// CHECK:STDOUT: %.c5d: type = cpp_overload_set_type @foo [concrete]
// CHECK:STDOUT: %empty_struct: %.c5d = struct_value () [concrete]
// CHECK:STDOUT: %ptr.86f: type = ptr_type %U [concrete]
// CHECK:STDOUT: %foo__carbon_thunk.type: type = fn_type @foo__carbon_thunk [concrete]
// CHECK:STDOUT: %foo__carbon_thunk: %foo__carbon_thunk.type = struct_value () [concrete]
@@ -1129,14 +1083,10 @@ fn F() {
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .foo = %foo.decl
// CHECK:STDOUT: .foo = %.a21
// 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: %.a21: %.c5d = cpp_overload_set_value @foo [concrete = constants.%empty_struct]
// CHECK:STDOUT: %foo__carbon_thunk.decl: %foo__carbon_thunk.type = fn_decl @foo__carbon_thunk [concrete = constants.%foo__carbon_thunk] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
@@ -1147,7 +1097,7 @@ fn F() {
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref: %foo.type = name_ref foo, imports.%foo.decl [concrete = constants.%foo]
// CHECK:STDOUT: %foo.ref: %.c5d = name_ref foo, imports.%.a21 [concrete = constants.%empty_struct]
// CHECK:STDOUT: %.loc8_11.1: ref %U = temporary_storage
// CHECK:STDOUT: %addr.loc8_11.1: %ptr.86f = addr_of %.loc8_11.1
// CHECK:STDOUT: %foo__carbon_thunk.call: init %empty_tuple.type = call imports.%foo__carbon_thunk.decl(%addr.loc8_11.1)
@@ -1165,6 +1115,8 @@ fn F() {
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %U: type = class_type @U [concrete]
// CHECK:STDOUT: %.c5d: type = cpp_overload_set_type @foo [concrete]
// CHECK:STDOUT: %empty_struct: %.c5d = struct_value () [concrete]
// CHECK:STDOUT: %ptr: type = ptr_type %U [concrete]
// CHECK:STDOUT: %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT: %foo: %foo.type = struct_value () [concrete]
@@ -1172,9 +1124,10 @@ fn F() {
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .foo = %foo.decl
// CHECK:STDOUT: .foo = %.a21
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %.a21: %.c5d = cpp_overload_set_value @foo [concrete = constants.%empty_struct]
// CHECK:STDOUT: %foo.decl: %foo.type = fn_decl @foo [concrete = constants.%foo] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
@@ -1185,8 +1138,8 @@ fn F() {
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref: %foo.type = name_ref foo, imports.%foo.decl [concrete = constants.%foo]
// CHECK:STDOUT: %foo.call: init %ptr = call %foo.ref()
// CHECK:STDOUT: %foo.ref: %.c5d = name_ref foo, imports.%.a21 [concrete = constants.%empty_struct]
// CHECK:STDOUT: %foo.call: init %ptr = call imports.%foo.decl()
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
@@ -1194,6 +1147,8 @@ fn F() {
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %U: type = class_type @U [concrete]
// CHECK:STDOUT: %.c5d: type = cpp_overload_set_type @foo [concrete]
// CHECK:STDOUT: %empty_struct: %.c5d = struct_value () [concrete]
// CHECK:STDOUT: %ptr: type = ptr_type %U [concrete]
// CHECK:STDOUT: %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT: %foo: %foo.type = struct_value () [concrete]
@@ -1201,9 +1156,10 @@ fn F() {
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .foo = %foo.decl
// CHECK:STDOUT: .foo = %.a21
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %.a21: %.c5d = cpp_overload_set_value @foo [concrete = constants.%empty_struct]
// CHECK:STDOUT: %foo.decl: %foo.type = fn_decl @foo [concrete = constants.%foo] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
@@ -1214,8 +1170,8 @@ fn F() {
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref: %foo.type = name_ref foo, imports.%foo.decl [concrete = constants.%foo]
// CHECK:STDOUT: %foo.call: init %ptr = call %foo.ref()
// CHECK:STDOUT: %foo.ref: %.c5d = name_ref foo, imports.%.a21 [concrete = constants.%empty_struct]
// CHECK:STDOUT: %foo.call: init %ptr = call imports.%foo.decl()
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: