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26e23eac105a4e63b178164c3e66645ddfbf96d7
carbon-lang/toolchain/check/testdata/interop/cpp/function/pointer.carbon
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Richard Smith 26e23eac10 Support import of typedefs. (#5787) 
Unify code paths for importing classes by name and importing them
indirectly when their type is referenced. Switch to using the general
type import machinery to import all type declarations, which allows
typedef declarations naming importable types to be used too.

Fix up handling of error cases to consistently only produce an Error
InstId after actually producing an error message, so that we can produce
exactly one diagnostic in failure cases.

Remove TODO error for unions that previously was only produced when
importing them indirectly, not when importing them by name. Import of
unions is exactly as complete / incomplete as import of other class
types, so treating them differently doesn't seem necessary.
2025-07-10 20:46:46 +00:00

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// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/convert.carbon
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/interop/cpp/function/pointer.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interop/cpp/function/pointer.carbon
// ============================================================================
// Pointer as a parameter type
// ============================================================================
// --- pointer_param.h
struct S {};
auto foo(S* _Nonnull) -> void;
// --- import_pointer_param.carbon
library "[[@TEST_NAME]]";
import Cpp library "pointer_param.h";
fn F() {
//@dump-sem-ir-begin
var s: Cpp.S = {};
Cpp.foo(&s);
//@dump-sem-ir-end
}
// ============================================================================
// Double pointer as a parameter type
// ============================================================================
// --- double_pointer_param.h
struct S {};
auto foo(S* _Nonnull * _Nonnull) -> void;
// --- fail_todo_import_double_pointer_param.carbon
library "[[@TEST_NAME]]";
import Cpp library "double_pointer_param.h";
fn F() {
//@dump-sem-ir-begin
var s: Cpp.S = {};
var p: Cpp.S* = &s;
// CHECK:STDERR: fail_todo_import_double_pointer_param.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: pointer to pointer type: S * _Nonnull` [SemanticsTodo]
// CHECK:STDERR: Cpp.foo(&p);
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: fail_todo_import_double_pointer_param.carbon:[[@LINE+4]]:3: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
// CHECK:STDERR: Cpp.foo(&p);
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
Cpp.foo(&p);
//@dump-sem-ir-end
}
// ============================================================================
// Const pointer as a parameter type
// ============================================================================
// --- const_pointer_param.h
struct S {};
auto foo(const S* _Nonnull) -> void;
// --- fail_todo_import_const_pointer_param.carbon
library "[[@TEST_NAME]]";
import Cpp library "const_pointer_param.h";
fn G() -> const Cpp.S;
fn F() {
//@dump-sem-ir-begin
var s: const Cpp.S = G();
// CHECK:STDERR: fail_todo_import_const_pointer_param.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: parameter type: const S * _Nonnull` [SemanticsTodo]
// CHECK:STDERR: Cpp.foo(&s);
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: fail_todo_import_const_pointer_param.carbon:[[@LINE+4]]:3: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
// CHECK:STDERR: Cpp.foo(&s);
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
Cpp.foo(&s);
//@dump-sem-ir-end
}
// ============================================================================
// Pointer as a return value
// ============================================================================
// --- pointer_return.h
struct S {};
auto foo() -> S* _Nonnull;
// --- import_pointer_return.carbon
library "[[@TEST_NAME]]";
import Cpp library "pointer_return.h";
fn IngestDoublePointer(s: Cpp.S*);
fn F() {
//@dump-sem-ir-begin
IngestDoublePointer(Cpp.foo());
Cpp.foo();
//@dump-sem-ir-end
}
// ============================================================================
// Double pointer as a return value
// ============================================================================
// --- double_pointer_return.h
struct S {};
auto foo() -> S* _Nonnull * _Nonnull;
// --- fail_todo_import_double_pointer_return.carbon
library "[[@TEST_NAME]]";
import Cpp library "double_pointer_return.h";
fn IngestDoublePointer(s: Cpp.S**);
fn F() {
//@dump-sem-ir-begin
// CHECK:STDERR: fail_todo_import_double_pointer_return.carbon:[[@LINE+7]]:23: error: semantics TODO: `Unsupported: pointer to pointer type: S * _Nonnull` [SemanticsTodo]
// CHECK:STDERR: IngestDoublePointer(Cpp.foo());
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: fail_todo_import_double_pointer_return.carbon:[[@LINE+4]]:23: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
// CHECK:STDERR: IngestDoublePointer(Cpp.foo());
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
IngestDoublePointer(Cpp.foo());
Cpp.foo();
//@dump-sem-ir-end
}
// ============================================================================
// Const pointer as a return value
// ============================================================================
// --- const_pointer_return.h
struct S {};
auto foo() -> const S* _Nonnull;
// --- fail_todo_import_const_pointer_return.carbon
library "[[@TEST_NAME]]";
import Cpp library "const_pointer_return.h";
fn IngestConstPointer(s: const Cpp.S*);
fn F() {
//@dump-sem-ir-begin
// CHECK:STDERR: fail_todo_import_const_pointer_return.carbon:[[@LINE+7]]:22: error: semantics TODO: `Unsupported: return type: const S * _Nonnull` [SemanticsTodo]
// CHECK:STDERR: IngestConstPointer(Cpp.foo());
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: fail_todo_import_const_pointer_return.carbon:[[@LINE+4]]:22: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
// CHECK:STDERR: IngestConstPointer(Cpp.foo());
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
IngestConstPointer(Cpp.foo());
Cpp.foo();
//@dump-sem-ir-end
}
// ============================================================================
// Nullable pointer
// ============================================================================
// --- nullable_pointer_param.h
struct S {};
auto foo(S*) -> void;
// --- fail_todo_import_nullable_pointer_param.carbon
library "[[@TEST_NAME]]";
import Cpp library "nullable_pointer_param.h";
fn F() {
//@dump-sem-ir-begin
var s: Cpp.S = {};
// CHECK:STDERR: fail_todo_import_nullable_pointer_param.carbon:[[@LINE+7]]:3: error: semantics TODO: `Unsupported: nullable pointer: S *` [SemanticsTodo]
// CHECK:STDERR: Cpp.foo(&s);
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: fail_todo_import_nullable_pointer_param.carbon:[[@LINE+4]]:3: note: in `Cpp` name lookup for `foo` [InCppNameLookup]
// CHECK:STDERR: Cpp.foo(&s);
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
Cpp.foo(&s);
//@dump-sem-ir-end
}
// CHECK:STDOUT: --- import_pointer_param.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: %ptr.5c7: type = ptr_type %S [concrete]
// CHECK:STDOUT: %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT: %foo: %foo.type = struct_value () [concrete]
// CHECK:STDOUT: %Destroy.type: type = facet_type <@Destroy> [concrete]
// CHECK:STDOUT: %Op.type.bae: type = fn_type @Op.1 [concrete]
// CHECK:STDOUT: %T: type = bind_symbolic_name T, 0 [symbolic]
// CHECK:STDOUT: %Op.type.bc9: type = fn_type @Op.2, @impl(%T) [symbolic]
// CHECK:STDOUT: %Op.46f: %Op.type.bc9 = struct_value () [symbolic]
// CHECK:STDOUT: %Destroy.impl_witness.2d2: <witness> = impl_witness imports.%Destroy.impl_witness_table, @impl(%S) [concrete]
// CHECK:STDOUT: %Op.type.642: type = fn_type @Op.2, @impl(%S) [concrete]
// CHECK:STDOUT: %Op.ab5: %Op.type.642 = struct_value () [concrete]
// CHECK:STDOUT: %Destroy.facet: %Destroy.type = facet_value %S, (%Destroy.impl_witness.2d2) [concrete]
// CHECK:STDOUT: %.271: type = fn_type_with_self_type %Op.type.bae, %Destroy.facet [concrete]
// CHECK:STDOUT: %Op.specific_fn: <specific function> = specific_function %Op.ab5, @Op.2(%S) [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: .foo = %foo.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %S.decl: type = class_decl @S [concrete = constants.%S] {} {}
// CHECK:STDOUT: %foo.decl: %foo.type = fn_decl @foo [concrete = constants.%foo] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import_ref.0b9: @impl.%Op.type (%Op.type.bc9) = import_ref Core//prelude/parts/destroy, loc8_29, loaded [symbolic = @impl.%Op (constants.%Op.46f)]
// CHECK:STDOUT: %Destroy.impl_witness_table = impl_witness_table (%Core.import_ref.0b9), @impl [concrete]
// 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: <elided>
// 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: %foo.ref: %foo.type = name_ref foo, imports.%foo.decl [concrete = constants.%foo]
// CHECK:STDOUT: %s.ref: ref %S = name_ref s, %s
// CHECK:STDOUT: %addr.loc9: %ptr.5c7 = addr_of %s.ref
// CHECK:STDOUT: %foo.call: init %empty_tuple.type = call %foo.ref(%addr.loc9)
// CHECK:STDOUT: %impl.elem0: %.271 = impl_witness_access constants.%Destroy.impl_witness.2d2, element0 [concrete = constants.%Op.ab5]
// CHECK:STDOUT: %bound_method.loc8_3.1: <bound method> = bound_method %s.var, %impl.elem0
// CHECK:STDOUT: %specific_fn: <specific function> = specific_function %impl.elem0, @Op.2(constants.%S) [concrete = constants.%Op.specific_fn]
// CHECK:STDOUT: %bound_method.loc8_3.2: <bound method> = bound_method %s.var, %specific_fn
// CHECK:STDOUT: %addr.loc8: %ptr.5c7 = addr_of %s.var
// CHECK:STDOUT: %no_op: init %empty_tuple.type = call %bound_method.loc8_3.2(%addr.loc8)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_todo_import_double_pointer_param.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: %ptr.5c7: type = ptr_type %S [concrete]
// CHECK:STDOUT: %pattern_type.259: type = pattern_type %ptr.5c7 [concrete]
// CHECK:STDOUT: %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT: %foo: %foo.type = struct_value () [concrete]
// CHECK:STDOUT: %ptr.dfe: type = ptr_type %ptr.5c7 [concrete]
// CHECK:STDOUT: %Destroy.type: type = facet_type <@Destroy> [concrete]
// CHECK:STDOUT: %Op.type.bae: type = fn_type @Op.1 [concrete]
// CHECK:STDOUT: %T: type = bind_symbolic_name T, 0 [symbolic]
// CHECK:STDOUT: %Op.type.bc9: type = fn_type @Op.2, @impl(%T) [symbolic]
// CHECK:STDOUT: %Op.46f: %Op.type.bc9 = struct_value () [symbolic]
// CHECK:STDOUT: %Destroy.impl_witness.79a: <witness> = impl_witness imports.%Destroy.impl_witness_table, @impl(%ptr.5c7) [concrete]
// CHECK:STDOUT: %Op.type.c07: type = fn_type @Op.2, @impl(%ptr.5c7) [concrete]
// CHECK:STDOUT: %Op.64b: %Op.type.c07 = struct_value () [concrete]
// CHECK:STDOUT: %Destroy.facet.a4e: %Destroy.type = facet_value %ptr.5c7, (%Destroy.impl_witness.79a) [concrete]
// CHECK:STDOUT: %.33b: type = fn_type_with_self_type %Op.type.bae, %Destroy.facet.a4e [concrete]
// CHECK:STDOUT: %Op.specific_fn.131: <specific function> = specific_function %Op.64b, @Op.2(%ptr.5c7) [concrete]
// CHECK:STDOUT: %Destroy.impl_witness.2d2: <witness> = impl_witness imports.%Destroy.impl_witness_table, @impl(%S) [concrete]
// CHECK:STDOUT: %Op.type.642: type = fn_type @Op.2, @impl(%S) [concrete]
// CHECK:STDOUT: %Op.ab5: %Op.type.642 = struct_value () [concrete]
// CHECK:STDOUT: %Destroy.facet.556: %Destroy.type = facet_value %S, (%Destroy.impl_witness.2d2) [concrete]
// CHECK:STDOUT: %.271: type = fn_type_with_self_type %Op.type.bae, %Destroy.facet.556 [concrete]
// CHECK:STDOUT: %Op.specific_fn.4ce: <specific function> = specific_function %Op.ab5, @Op.2(%S) [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: .foo = %foo.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %S.decl: type = class_decl @S [concrete = constants.%S] {} {}
// CHECK:STDOUT: %foo.decl: %foo.type = fn_decl @foo [concrete = constants.%foo] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import_ref.0b9: @impl.%Op.type (%Op.type.bc9) = import_ref Core//prelude/parts/destroy, loc8_29, loaded [symbolic = @impl.%Op (constants.%Op.46f)]
// CHECK:STDOUT: %Destroy.impl_witness_table = impl_witness_table (%Core.import_ref.0b9), @impl [concrete]
// 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: <elided>
// 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: name_binding_decl {
// CHECK:STDOUT: %p.patt: %pattern_type.259 = binding_pattern p [concrete]
// CHECK:STDOUT: %p.var_patt: %pattern_type.259 = var_pattern %p.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %p.var: ref %ptr.5c7 = var %p.var_patt
// CHECK:STDOUT: %s.ref: ref %S = name_ref s, %s
// CHECK:STDOUT: %addr.loc9_19: %ptr.5c7 = addr_of %s.ref
// CHECK:STDOUT: assign %p.var, %addr.loc9_19
// CHECK:STDOUT: %.loc9: type = splice_block %ptr [concrete = constants.%ptr.5c7] {
// 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: %ptr: type = ptr_type %S.ref.loc9 [concrete = constants.%ptr.5c7]
// CHECK:STDOUT: }
// CHECK:STDOUT: %p: ref %ptr.5c7 = bind_name p, %p.var
// CHECK:STDOUT: %Cpp.ref.loc17: <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: %p.ref: ref %ptr.5c7 = name_ref p, %p
// CHECK:STDOUT: %addr.loc17: %ptr.dfe = addr_of %p.ref
// CHECK:STDOUT: %foo.call: init %empty_tuple.type = call %foo.ref(<error>)
// CHECK:STDOUT: %impl.elem0.loc9: %.33b = impl_witness_access constants.%Destroy.impl_witness.79a, element0 [concrete = constants.%Op.64b]
// CHECK:STDOUT: %bound_method.loc9_3.1: <bound method> = bound_method %p.var, %impl.elem0.loc9
// CHECK:STDOUT: %specific_fn.loc9: <specific function> = specific_function %impl.elem0.loc9, @Op.2(constants.%ptr.5c7) [concrete = constants.%Op.specific_fn.131]
// CHECK:STDOUT: %bound_method.loc9_3.2: <bound method> = bound_method %p.var, %specific_fn.loc9
// CHECK:STDOUT: %addr.loc9_3: %ptr.dfe = addr_of %p.var
// CHECK:STDOUT: %no_op.loc9: init %empty_tuple.type = call %bound_method.loc9_3.2(%addr.loc9_3)
// CHECK:STDOUT: %impl.elem0.loc8: %.271 = impl_witness_access constants.%Destroy.impl_witness.2d2, element0 [concrete = constants.%Op.ab5]
// CHECK:STDOUT: %bound_method.loc8_3.1: <bound method> = bound_method %s.var, %impl.elem0.loc8
// CHECK:STDOUT: %specific_fn.loc8: <specific function> = specific_function %impl.elem0.loc8, @Op.2(constants.%S) [concrete = constants.%Op.specific_fn.4ce]
// CHECK:STDOUT: %bound_method.loc8_3.2: <bound method> = bound_method %s.var, %specific_fn.loc8
// CHECK:STDOUT: %addr.loc8: %ptr.5c7 = addr_of %s.var
// CHECK:STDOUT: %no_op.loc8: init %empty_tuple.type = call %bound_method.loc8_3.2(%addr.loc8)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_todo_import_const_pointer_param.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %S: type = class_type @S [concrete]
// CHECK:STDOUT: %const: type = const_type %S [concrete]
// CHECK:STDOUT: %pattern_type.9be: type = pattern_type %const [concrete]
// CHECK:STDOUT: %G.type: type = fn_type @G [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %G: %G.type = struct_value () [concrete]
// CHECK:STDOUT: %ptr.ff5: type = ptr_type %const [concrete]
// CHECK:STDOUT: %Destroy.type: type = facet_type <@Destroy> [concrete]
// CHECK:STDOUT: %Op.type.bae: type = fn_type @Op.1 [concrete]
// CHECK:STDOUT: %T: type = bind_symbolic_name T, 0 [symbolic]
// CHECK:STDOUT: %Op.type.bc9: type = fn_type @Op.2, @impl(%T) [symbolic]
// CHECK:STDOUT: %Op.46f: %Op.type.bc9 = struct_value () [symbolic]
// CHECK:STDOUT: %Destroy.impl_witness.4d8: <witness> = impl_witness imports.%Destroy.impl_witness_table, @impl(%const) [concrete]
// CHECK:STDOUT: %Op.type.372: type = fn_type @Op.2, @impl(%const) [concrete]
// CHECK:STDOUT: %Op.af7: %Op.type.372 = struct_value () [concrete]
// CHECK:STDOUT: %Destroy.facet: %Destroy.type = facet_value %const, (%Destroy.impl_witness.4d8) [concrete]
// CHECK:STDOUT: %.af2: type = fn_type_with_self_type %Op.type.bae, %Destroy.facet [concrete]
// CHECK:STDOUT: %Op.specific_fn: <specific function> = specific_function %Op.af7, @Op.2(%const) [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: .foo = <error>
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %S.decl: type = class_decl @S [concrete = constants.%S] {} {}
// CHECK:STDOUT: %Core.import_ref.0b9: @impl.%Op.type (%Op.type.bc9) = import_ref Core//prelude/parts/destroy, loc8_29, loaded [symbolic = @impl.%Op (constants.%Op.46f)]
// CHECK:STDOUT: %Destroy.impl_witness_table = impl_witness_table (%Core.import_ref.0b9), @impl [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %s.patt: %pattern_type.9be = binding_pattern s [concrete]
// CHECK:STDOUT: %s.var_patt: %pattern_type.9be = var_pattern %s.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %s.var: ref %const = var %s.var_patt
// CHECK:STDOUT: %G.ref: %G.type = name_ref G, file.%G.decl [concrete = constants.%G]
// CHECK:STDOUT: %.loc10_3: ref %const = splice_block %s.var {}
// CHECK:STDOUT: %G.call: init %const = call %G.ref() to %.loc10_3
// CHECK:STDOUT: assign %s.var, %G.call
// CHECK:STDOUT: %.loc10_10: type = splice_block %const [concrete = constants.%const] {
// CHECK:STDOUT: %Cpp.ref.loc10: <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: %const: type = const_type %S.ref [concrete = constants.%const]
// CHECK:STDOUT: }
// CHECK:STDOUT: %s: ref %const = bind_name s, %s.var
// CHECK:STDOUT: %Cpp.ref.loc18: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref: <error> = name_ref foo, <error> [concrete = <error>]
// CHECK:STDOUT: %s.ref: ref %const = name_ref s, %s
// CHECK:STDOUT: %addr.loc18: %ptr.ff5 = addr_of %s.ref
// CHECK:STDOUT: %impl.elem0.loc10_3.1: %.af2 = impl_witness_access constants.%Destroy.impl_witness.4d8, element0 [concrete = constants.%Op.af7]
// CHECK:STDOUT: %bound_method.loc10_3.1: <bound method> = bound_method %.loc10_3, %impl.elem0.loc10_3.1
// CHECK:STDOUT: %specific_fn.loc10_3.1: <specific function> = specific_function %impl.elem0.loc10_3.1, @Op.2(constants.%const) [concrete = constants.%Op.specific_fn]
// CHECK:STDOUT: %bound_method.loc10_3.2: <bound method> = bound_method %.loc10_3, %specific_fn.loc10_3.1
// CHECK:STDOUT: %addr.loc10_3.1: %ptr.ff5 = addr_of %.loc10_3
// CHECK:STDOUT: %no_op.loc10_3.1: init %empty_tuple.type = call %bound_method.loc10_3.2(%addr.loc10_3.1)
// CHECK:STDOUT: %impl.elem0.loc10_3.2: %.af2 = impl_witness_access constants.%Destroy.impl_witness.4d8, element0 [concrete = constants.%Op.af7]
// CHECK:STDOUT: %bound_method.loc10_3.3: <bound method> = bound_method %s.var, %impl.elem0.loc10_3.2
// CHECK:STDOUT: %specific_fn.loc10_3.2: <specific function> = specific_function %impl.elem0.loc10_3.2, @Op.2(constants.%const) [concrete = constants.%Op.specific_fn]
// CHECK:STDOUT: %bound_method.loc10_3.4: <bound method> = bound_method %s.var, %specific_fn.loc10_3.2
// CHECK:STDOUT: %addr.loc10_3.2: %ptr.ff5 = addr_of %s.var
// CHECK:STDOUT: %no_op.loc10_3.2: init %empty_tuple.type = call %bound_method.loc10_3.4(%addr.loc10_3.2)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_pointer_return.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %S: type = class_type @S [concrete]
// CHECK:STDOUT: %ptr: type = ptr_type %S [concrete]
// CHECK:STDOUT: %IngestDoublePointer.type: type = fn_type @IngestDoublePointer [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %IngestDoublePointer: %IngestDoublePointer.type = struct_value () [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: .S = %S.decl
// CHECK:STDOUT: .foo = %foo.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %S.decl: type = class_decl @S [concrete = constants.%S] {} {}
// 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: %IngestDoublePointer.ref: %IngestDoublePointer.type = name_ref IngestDoublePointer, file.%IngestDoublePointer.decl [concrete = constants.%IngestDoublePointer]
// CHECK:STDOUT: %Cpp.ref.loc10: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref.loc10: %foo.type = name_ref foo, imports.%foo.decl [concrete = constants.%foo]
// CHECK:STDOUT: %foo.call.loc10: init %ptr = call %foo.ref.loc10()
// CHECK:STDOUT: %.loc10_31.1: %ptr = value_of_initializer %foo.call.loc10
// CHECK:STDOUT: %.loc10_31.2: %ptr = converted %foo.call.loc10, %.loc10_31.1
// CHECK:STDOUT: %IngestDoublePointer.call: init %empty_tuple.type = call %IngestDoublePointer.ref(%.loc10_31.2)
// CHECK:STDOUT: %Cpp.ref.loc11: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref.loc11: %foo.type = name_ref foo, imports.%foo.decl [concrete = constants.%foo]
// CHECK:STDOUT: %foo.call.loc11: init %ptr = call %foo.ref.loc11()
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_todo_import_double_pointer_return.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %S: type = class_type @S [concrete]
// CHECK:STDOUT: %IngestDoublePointer.type: type = fn_type @IngestDoublePointer [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %IngestDoublePointer: %IngestDoublePointer.type = struct_value () [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: .S = %S.decl
// CHECK:STDOUT: .foo = %foo.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %S.decl: type = class_decl @S [concrete = constants.%S] {} {}
// 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: %IngestDoublePointer.ref: %IngestDoublePointer.type = name_ref IngestDoublePointer, file.%IngestDoublePointer.decl [concrete = constants.%IngestDoublePointer]
// CHECK:STDOUT: %Cpp.ref.loc17: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref.loc17: %foo.type = name_ref foo, imports.%foo.decl [concrete = constants.%foo]
// CHECK:STDOUT: %foo.call.loc17: init <error> = call %foo.ref.loc17()
// CHECK:STDOUT: %IngestDoublePointer.call: init %empty_tuple.type = call %IngestDoublePointer.ref(<error>)
// CHECK:STDOUT: %Cpp.ref.loc18: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref.loc18: %foo.type = name_ref foo, imports.%foo.decl [concrete = constants.%foo]
// CHECK:STDOUT: %foo.call.loc18: init <error> = call %foo.ref.loc18()
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_todo_import_const_pointer_return.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %S: type = class_type @S [concrete]
// CHECK:STDOUT: %IngestConstPointer.type: type = fn_type @IngestConstPointer [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %IngestConstPointer: %IngestConstPointer.type = 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: .foo = <error>
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %S.decl: type = class_decl @S [concrete = constants.%S] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %IngestConstPointer.ref: %IngestConstPointer.type = name_ref IngestConstPointer, file.%IngestConstPointer.decl [concrete = constants.%IngestConstPointer]
// CHECK:STDOUT: %Cpp.ref.loc17: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref.loc17: <error> = name_ref foo, <error> [concrete = <error>]
// CHECK:STDOUT: %IngestConstPointer.call: init %empty_tuple.type = call %IngestConstPointer.ref(<error>)
// CHECK:STDOUT: %Cpp.ref.loc18: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %foo.ref.loc18: <error> = name_ref foo, <error> [concrete = <error>]
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_todo_import_nullable_pointer_param.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: %foo.type: type = fn_type @foo [concrete]
// CHECK:STDOUT: %foo: %foo.type = struct_value () [concrete]
// CHECK:STDOUT: %ptr.5c7: type = ptr_type %S [concrete]
// CHECK:STDOUT: %Destroy.type: type = facet_type <@Destroy> [concrete]
// CHECK:STDOUT: %Op.type.bae: type = fn_type @Op.1 [concrete]
// CHECK:STDOUT: %T: type = bind_symbolic_name T, 0 [symbolic]
// CHECK:STDOUT: %Op.type.bc9: type = fn_type @Op.2, @impl(%T) [symbolic]
// CHECK:STDOUT: %Op.46f: %Op.type.bc9 = struct_value () [symbolic]
// CHECK:STDOUT: %Destroy.impl_witness.2d2: <witness> = impl_witness imports.%Destroy.impl_witness_table, @impl(%S) [concrete]
// CHECK:STDOUT: %Op.type.642: type = fn_type @Op.2, @impl(%S) [concrete]
// CHECK:STDOUT: %Op.ab5: %Op.type.642 = struct_value () [concrete]
// CHECK:STDOUT: %Destroy.facet: %Destroy.type = facet_value %S, (%Destroy.impl_witness.2d2) [concrete]
// CHECK:STDOUT: %.271: type = fn_type_with_self_type %Op.type.bae, %Destroy.facet [concrete]
// CHECK:STDOUT: %Op.specific_fn: <specific function> = specific_function %Op.ab5, @Op.2(%S) [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: .foo = %foo.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %S.decl: type = class_decl @S [concrete = constants.%S] {} {}
// CHECK:STDOUT: %foo.decl: %foo.type = fn_decl @foo [concrete = constants.%foo] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import_ref.0b9: @impl.%Op.type (%Op.type.bc9) = import_ref Core//prelude/parts/destroy, loc8_29, loaded [symbolic = @impl.%Op (constants.%Op.46f)]
// CHECK:STDOUT: %Destroy.impl_witness_table = impl_witness_table (%Core.import_ref.0b9), @impl [concrete]
// 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: <elided>
// 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.loc16: <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: %s.ref: ref %S = name_ref s, %s
// CHECK:STDOUT: %addr.loc16: %ptr.5c7 = addr_of %s.ref
// CHECK:STDOUT: %foo.call: init %empty_tuple.type = call %foo.ref(<error>)
// CHECK:STDOUT: %impl.elem0: %.271 = impl_witness_access constants.%Destroy.impl_witness.2d2, element0 [concrete = constants.%Op.ab5]
// CHECK:STDOUT: %bound_method.loc8_3.1: <bound method> = bound_method %s.var, %impl.elem0
// CHECK:STDOUT: %specific_fn: <specific function> = specific_function %impl.elem0, @Op.2(constants.%S) [concrete = constants.%Op.specific_fn]
// CHECK:STDOUT: %bound_method.loc8_3.2: <bound method> = bound_method %s.var, %specific_fn
// CHECK:STDOUT: %addr.loc8: %ptr.5c7 = addr_of %s.var
// CHECK:STDOUT: %no_op: init %empty_tuple.type = call %bound_method.loc8_3.2(%addr.loc8)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
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