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a24598f069c1de7f31e8800510a2f6aa98aa4430
carbon-lang/toolchain/check/testdata/basics/raw_sem_ir/cpp_interop.carbon
T
Ivana Ivanovska a24598f069 Lower CppOverloadSetValue (#6101) 
Following up on comments from
[#5891](https://github.com/carbon-language/carbon-lang/pull/5891) ([
1](https://github.com/carbon-language/carbon-lang/pull/5891#discussion_r2317244981),
[2](https://github.com/carbon-language/carbon-lang/pull/5891#discussion_r2317266756)).

Lowering `CppOverloadSetValue` as an empty struct value, using
`context.GetLiteralAsValue()`. Also changed its constant kind to
`InstConstantKind::Always`.

Part of https://github.com/carbon-language/carbon-lang/issues/5915
2025-10-01 16:25:05 +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/none.carbon
// EXTRA-ARGS: --dump-raw-sem-ir --builtin-sem-ir
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/basics/raw_sem_ir/cpp_interop.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/basics/raw_sem_ir/cpp_interop.carbon
// --- header.h
struct X {
X *p;
};
void f(X x = {}) {
}
// --- import.carbon
import Cpp library "header.h";
fn G(x: Cpp.X) {
Cpp.f();
Cpp.f(x);
}
// CHECK:STDOUT: ---
// CHECK:STDOUT: filename: import.carbon
// CHECK:STDOUT: sem_ir:
// CHECK:STDOUT: import_irs:
// CHECK:STDOUT: ir0: {decl_id: inst<none>, is_export: false}
// CHECK:STDOUT: ir1: {decl_id: inst<none>, is_export: false}
// CHECK:STDOUT: import_ir_insts:
// CHECK:STDOUT: import_ir_inst0: {ir_id: ir1, clang_source_loc_id: clang_source_loc0}
// CHECK:STDOUT: clang_decls:
// CHECK:STDOUT: clang_decl_id0: {key: "<translation unit>", inst_id: inst16}
// CHECK:STDOUT: clang_decl_id1: {key: "struct X {}", inst_id: inst18}
// CHECK:STDOUT: clang_decl_id2: {key: {decl: "void f(X x = {})", num_params: 0}, inst_id: inst41}
// CHECK:STDOUT: clang_decl_id3: {key: {decl: "extern void f__carbon_thunk()", num_params: 0}, inst_id: inst44}
// CHECK:STDOUT: clang_decl_id4: {key: {decl: "void f(X x = {})", num_params: 1}, inst_id: inst55}
// CHECK:STDOUT: clang_decl_id5: {key: {decl: "extern void f__carbon_thunk(X * _Nonnull x)", num_params: 1}, inst_id: inst64}
// CHECK:STDOUT: name_scopes:
// CHECK:STDOUT: name_scope0: {inst: inst14, parent_scope: name_scope<none>, has_error: false, extended_scopes: [], names: {name0: inst16, name1: inst27}}
// CHECK:STDOUT: name_scope1: {inst: inst16, parent_scope: name_scope0, has_error: false, extended_scopes: [], names: {name3: inst18, name4: inst38}}
// CHECK:STDOUT: name_scope2: {inst: inst18, parent_scope: name_scope1, has_error: false, extended_scopes: [], names: {}}
// CHECK:STDOUT: entity_names:
// CHECK:STDOUT: entity_name0: {name: name2, parent_scope: name_scope<none>, index: -1, is_template: 0, clang_decl_id: clang_decl_id<none>}
// CHECK:STDOUT: entity_name1: {name: name2, parent_scope: name_scope<none>, index: -1, is_template: 0, clang_decl_id: clang_decl_id<none>}
// CHECK:STDOUT: entity_name2: {name: name2, parent_scope: name_scope<none>, index: -1, is_template: 0, clang_decl_id: clang_decl_id<none>}
// CHECK:STDOUT: functions:
// CHECK:STDOUT: function0: {name: name1, parent_scope: name_scope0, call_params_id: inst_block6, body: [inst_block9]}
// CHECK:STDOUT: function1: {name: name4, parent_scope: name_scope1, call_params_id: inst_block_empty}
// CHECK:STDOUT: function2: {name: name6, parent_scope: name_scope1, call_params_id: inst_block_empty}
// CHECK:STDOUT: function3: {name: name4, parent_scope: name_scope1, call_params_id: inst_block13}
// CHECK:STDOUT: function4: {name: name6, parent_scope: name_scope1, call_params_id: inst_block18}
// CHECK:STDOUT: classes:
// CHECK:STDOUT: class0: {name: name3, parent_scope: name_scope1, self_type_id: type(inst19), inheritance_kind: Base, is_dynamic: 0, scope_id: name_scope2, body_block_id: inst_block10, adapt_id: inst<none>, base_id: inst<none>, complete_type_witness_id: inst33, vtable_decl_id: inst<none>}}
// CHECK:STDOUT: generics: {}
// CHECK:STDOUT: specifics: {}
// CHECK:STDOUT: struct_type_fields:
// CHECK:STDOUT: struct_type_fields0: {}
// CHECK:STDOUT: types:
// CHECK:STDOUT: 'type(TypeType)':
// CHECK:STDOUT: value_repr: {kind: copy, type: type(TypeType)}
// CHECK:STDOUT: 'type(Error)':
// CHECK:STDOUT: value_repr: {kind: copy, type: type(Error)}
// CHECK:STDOUT: 'type(inst(NamespaceType))':
// CHECK:STDOUT: value_repr: {kind: copy, type: type(inst(NamespaceType))}
// CHECK:STDOUT: 'type(inst28)':
// CHECK:STDOUT: value_repr: {kind: none, type: type(inst29)}
// CHECK:STDOUT: 'type(inst29)':
// CHECK:STDOUT: value_repr: {kind: none, type: type(inst29)}
// CHECK:STDOUT: 'type(inst(WitnessType))':
// CHECK:STDOUT: value_repr: {kind: copy, type: type(inst(WitnessType))}
// CHECK:STDOUT: 'type(inst32)':
// CHECK:STDOUT: value_repr: {kind: pointer, type: type(inst35)}
// CHECK:STDOUT: 'type(inst35)':
// CHECK:STDOUT: value_repr: {kind: copy, type: type(inst35)}
// CHECK:STDOUT: 'type(inst19)':
// CHECK:STDOUT: value_repr: {kind: pointer, type: type(inst35)}
// CHECK:STDOUT: 'type(inst37)':
// CHECK:STDOUT: value_repr: {kind: none, type: type(inst29)}
// CHECK:STDOUT: 'type(inst42)':
// CHECK:STDOUT: value_repr: {kind: none, type: type(inst29)}
// CHECK:STDOUT: 'type(inst45)':
// CHECK:STDOUT: value_repr: {kind: none, type: type(inst29)}
// CHECK:STDOUT: 'type(inst56)':
// CHECK:STDOUT: value_repr: {kind: none, type: type(inst29)}
// CHECK:STDOUT: 'type(inst65)':
// CHECK:STDOUT: value_repr: {kind: none, type: type(inst29)}
// CHECK:STDOUT: 'type(inst58)':
// CHECK:STDOUT: value_repr: {kind: copy, type: type(inst58)}
// CHECK:STDOUT: insts:
// CHECK:STDOUT: 'inst(TypeType)': {kind: TypeType, type: type(TypeType)}
// CHECK:STDOUT: 'inst(AutoType)': {kind: AutoType, type: type(TypeType)}
// CHECK:STDOUT: 'inst(BoolType)': {kind: BoolType, type: type(TypeType)}
// CHECK:STDOUT: 'inst(BoundMethodType)': {kind: BoundMethodType, type: type(TypeType)}
// CHECK:STDOUT: 'inst(CharLiteralType)': {kind: CharLiteralType, type: type(TypeType)}
// CHECK:STDOUT: 'inst(ErrorInst)': {kind: ErrorInst, type: type(Error)}
// CHECK:STDOUT: 'inst(FloatLiteralType)': {kind: FloatLiteralType, type: type(TypeType)}
// CHECK:STDOUT: 'inst(ImplWitnessTablePlaceholder)': {kind: ImplWitnessTablePlaceholder, type: type(TypeType)}
// CHECK:STDOUT: 'inst(InstType)': {kind: InstType, type: type(TypeType)}
// CHECK:STDOUT: 'inst(IntLiteralType)': {kind: IntLiteralType, type: type(TypeType)}
// CHECK:STDOUT: 'inst(NamespaceType)': {kind: NamespaceType, type: type(TypeType)}
// CHECK:STDOUT: 'inst(SpecificFunctionType)': {kind: SpecificFunctionType, type: type(TypeType)}
// CHECK:STDOUT: 'inst(VtableType)': {kind: VtableType, type: type(TypeType)}
// CHECK:STDOUT: 'inst(WitnessType)': {kind: WitnessType, type: type(TypeType)}
// CHECK:STDOUT: inst14: {kind: Namespace, arg0: name_scope0, arg1: inst<none>, type: type(inst(NamespaceType))}
// CHECK:STDOUT: inst15: {kind: ImportCppDecl}
// CHECK:STDOUT: inst16: {kind: Namespace, arg0: name_scope1, arg1: inst15, type: type(inst(NamespaceType))}
// CHECK:STDOUT: inst17: {kind: NameRef, arg0: name0, arg1: inst16, type: type(inst(NamespaceType))}
// CHECK:STDOUT: inst18: {kind: ClassDecl, arg0: class0, arg1: inst_block<none>, type: type(TypeType)}
// CHECK:STDOUT: inst19: {kind: ClassType, arg0: class0, arg1: specific<none>, type: type(TypeType)}
// CHECK:STDOUT: inst20: {kind: NameRef, arg0: name3, arg1: inst18, type: type(TypeType)}
// CHECK:STDOUT: inst21: {kind: BindName, arg0: entity_name0, arg1: inst25, type: type(inst19)}
// CHECK:STDOUT: inst22: {kind: PatternType, arg0: inst19, type: type(TypeType)}
// CHECK:STDOUT: inst23: {kind: BindingPattern, arg0: entity_name0, type: type(inst22)}
// CHECK:STDOUT: inst24: {kind: ValueParamPattern, arg0: inst23, arg1: call_param0, type: type(inst22)}
// CHECK:STDOUT: inst25: {kind: ValueParam, arg0: call_param0, arg1: name2, type: type(inst19)}
// CHECK:STDOUT: inst26: {kind: SpliceBlock, arg0: inst_block4, arg1: inst20, type: type(TypeType)}
// CHECK:STDOUT: inst27: {kind: FunctionDecl, arg0: function0, arg1: inst_block8, type: type(inst28)}
// CHECK:STDOUT: inst28: {kind: FunctionType, arg0: function0, arg1: specific<none>, type: type(TypeType)}
// CHECK:STDOUT: inst29: {kind: TupleType, arg0: inst_block_empty, type: type(TypeType)}
// CHECK:STDOUT: inst30: {kind: StructValue, arg0: inst_block_empty, type: type(inst28)}
// CHECK:STDOUT: inst31: {kind: CustomLayoutType, arg0: struct_type_fields0, arg1: custom_layout1, type: type(TypeType)}
// CHECK:STDOUT: inst32: {kind: CustomLayoutType, arg0: struct_type_fields0, arg1: custom_layout1, type: type(TypeType)}
// CHECK:STDOUT: inst33: {kind: CompleteTypeWitness, arg0: inst31, type: type(inst(WitnessType))}
// CHECK:STDOUT: inst34: {kind: CompleteTypeWitness, arg0: inst32, type: type(inst(WitnessType))}
// CHECK:STDOUT: inst35: {kind: PointerType, arg0: inst32, type: type(TypeType)}
// CHECK:STDOUT: inst36: {kind: NameRef, arg0: name0, arg1: inst16, type: type(inst(NamespaceType))}
// CHECK:STDOUT: inst37: {kind: CppOverloadSetType, arg0: cpp_overload_set0, arg1: specific<none>, type: type(TypeType)}
// CHECK:STDOUT: inst38: {kind: CppOverloadSetValue, arg0: cpp_overload_set0, type: type(inst37)}
// CHECK:STDOUT: inst39: {kind: CppOverloadSetValue, arg0: cpp_overload_set0, type: type(inst37)}
// CHECK:STDOUT: inst40: {kind: NameRef, arg0: name4, arg1: inst38, type: type(inst37)}
// CHECK:STDOUT: inst41: {kind: FunctionDecl, arg0: function1, arg1: inst_block_empty, type: type(inst42)}
// CHECK:STDOUT: inst42: {kind: FunctionType, arg0: function1, arg1: specific<none>, type: type(TypeType)}
// CHECK:STDOUT: inst43: {kind: StructValue, arg0: inst_block_empty, type: type(inst42)}
// CHECK:STDOUT: inst44: {kind: FunctionDecl, arg0: function2, arg1: inst_block_empty, type: type(inst45)}
// CHECK:STDOUT: inst45: {kind: FunctionType, arg0: function2, arg1: specific<none>, type: type(TypeType)}
// CHECK:STDOUT: inst46: {kind: StructValue, arg0: inst_block_empty, type: type(inst45)}
// CHECK:STDOUT: inst47: {kind: Call, arg0: inst44, arg1: inst_block_empty, type: type(inst29)}
// CHECK:STDOUT: inst48: {kind: NameRef, arg0: name0, arg1: inst16, type: type(inst(NamespaceType))}
// CHECK:STDOUT: inst49: {kind: NameRef, arg0: name4, arg1: inst38, type: type(inst37)}
// CHECK:STDOUT: inst50: {kind: NameRef, arg0: name2, arg1: inst21, type: type(inst19)}
// CHECK:STDOUT: inst51: {kind: BindName, arg0: entity_name1, arg1: inst54, type: type(inst19)}
// CHECK:STDOUT: inst52: {kind: BindingPattern, arg0: entity_name1, type: type(inst22)}
// CHECK:STDOUT: inst53: {kind: ValueParamPattern, arg0: inst52, arg1: call_param0, type: type(inst22)}
// CHECK:STDOUT: inst54: {kind: ValueParam, arg0: call_param0, arg1: name2, type: type(inst19)}
// CHECK:STDOUT: inst55: {kind: FunctionDecl, arg0: function3, arg1: inst_block15, type: type(inst56)}
// CHECK:STDOUT: inst56: {kind: FunctionType, arg0: function3, arg1: specific<none>, type: type(TypeType)}
// CHECK:STDOUT: inst57: {kind: StructValue, arg0: inst_block_empty, type: type(inst56)}
// CHECK:STDOUT: inst58: {kind: PointerType, arg0: inst19, type: type(TypeType)}
// CHECK:STDOUT: inst59: {kind: BindName, arg0: entity_name2, arg1: inst63, type: type(inst58)}
// CHECK:STDOUT: inst60: {kind: PatternType, arg0: inst58, type: type(TypeType)}
// CHECK:STDOUT: inst61: {kind: BindingPattern, arg0: entity_name2, type: type(inst60)}
// CHECK:STDOUT: inst62: {kind: ValueParamPattern, arg0: inst61, arg1: call_param0, type: type(inst60)}
// CHECK:STDOUT: inst63: {kind: ValueParam, arg0: call_param0, arg1: name2, type: type(inst58)}
// CHECK:STDOUT: inst64: {kind: FunctionDecl, arg0: function4, arg1: inst_block20, type: type(inst65)}
// CHECK:STDOUT: inst65: {kind: FunctionType, arg0: function4, arg1: specific<none>, type: type(TypeType)}
// CHECK:STDOUT: inst66: {kind: StructValue, arg0: inst_block_empty, type: type(inst65)}
// CHECK:STDOUT: inst67: {kind: ValueAsRef, arg0: inst50, type: type(inst19)}
// CHECK:STDOUT: inst68: {kind: AddrOf, arg0: inst67, type: type(inst58)}
// CHECK:STDOUT: inst69: {kind: Call, arg0: inst64, arg1: inst_block22, type: type(inst29)}
// CHECK:STDOUT: inst70: {kind: Return}
// CHECK:STDOUT: constant_values:
// CHECK:STDOUT: values:
// CHECK:STDOUT: 'inst(TypeType)': concrete_constant(inst(TypeType))
// CHECK:STDOUT: 'inst(AutoType)': concrete_constant(inst(AutoType))
// CHECK:STDOUT: 'inst(BoolType)': concrete_constant(inst(BoolType))
// CHECK:STDOUT: 'inst(BoundMethodType)': concrete_constant(inst(BoundMethodType))
// CHECK:STDOUT: 'inst(CharLiteralType)': concrete_constant(inst(CharLiteralType))
// CHECK:STDOUT: 'inst(ErrorInst)': concrete_constant(inst(ErrorInst))
// CHECK:STDOUT: 'inst(FloatLiteralType)': concrete_constant(inst(FloatLiteralType))
// CHECK:STDOUT: 'inst(ImplWitnessTablePlaceholder)': concrete_constant(inst(ImplWitnessTablePlaceholder))
// CHECK:STDOUT: 'inst(InstType)': concrete_constant(inst(InstType))
// CHECK:STDOUT: 'inst(IntLiteralType)': concrete_constant(inst(IntLiteralType))
// CHECK:STDOUT: 'inst(NamespaceType)': concrete_constant(inst(NamespaceType))
// CHECK:STDOUT: 'inst(SpecificFunctionType)': concrete_constant(inst(SpecificFunctionType))
// CHECK:STDOUT: 'inst(VtableType)': concrete_constant(inst(VtableType))
// CHECK:STDOUT: 'inst(WitnessType)': concrete_constant(inst(WitnessType))
// CHECK:STDOUT: inst14: concrete_constant(inst14)
// CHECK:STDOUT: inst16: concrete_constant(inst16)
// CHECK:STDOUT: inst17: concrete_constant(inst16)
// CHECK:STDOUT: inst18: concrete_constant(inst19)
// CHECK:STDOUT: inst19: concrete_constant(inst19)
// CHECK:STDOUT: inst20: concrete_constant(inst19)
// CHECK:STDOUT: inst22: concrete_constant(inst22)
// CHECK:STDOUT: inst23: concrete_constant(inst23)
// CHECK:STDOUT: inst24: concrete_constant(inst24)
// CHECK:STDOUT: inst26: concrete_constant(inst19)
// CHECK:STDOUT: inst27: concrete_constant(inst30)
// CHECK:STDOUT: inst28: concrete_constant(inst28)
// CHECK:STDOUT: inst29: concrete_constant(inst29)
// CHECK:STDOUT: inst30: concrete_constant(inst30)
// CHECK:STDOUT: inst31: concrete_constant(inst32)
// CHECK:STDOUT: inst32: concrete_constant(inst32)
// CHECK:STDOUT: inst33: concrete_constant(inst34)
// CHECK:STDOUT: inst34: concrete_constant(inst34)
// CHECK:STDOUT: inst35: concrete_constant(inst35)
// CHECK:STDOUT: inst36: concrete_constant(inst16)
// CHECK:STDOUT: inst37: concrete_constant(inst37)
// CHECK:STDOUT: inst38: concrete_constant(inst39)
// CHECK:STDOUT: inst39: concrete_constant(inst39)
// CHECK:STDOUT: inst40: concrete_constant(inst39)
// CHECK:STDOUT: inst41: concrete_constant(inst43)
// CHECK:STDOUT: inst42: concrete_constant(inst42)
// CHECK:STDOUT: inst43: concrete_constant(inst43)
// CHECK:STDOUT: inst44: concrete_constant(inst46)
// CHECK:STDOUT: inst45: concrete_constant(inst45)
// CHECK:STDOUT: inst46: concrete_constant(inst46)
// CHECK:STDOUT: inst48: concrete_constant(inst16)
// CHECK:STDOUT: inst49: concrete_constant(inst39)
// CHECK:STDOUT: inst52: concrete_constant(inst52)
// CHECK:STDOUT: inst53: concrete_constant(inst53)
// CHECK:STDOUT: inst55: concrete_constant(inst57)
// CHECK:STDOUT: inst56: concrete_constant(inst56)
// CHECK:STDOUT: inst57: concrete_constant(inst57)
// CHECK:STDOUT: inst58: concrete_constant(inst58)
// CHECK:STDOUT: inst60: concrete_constant(inst60)
// CHECK:STDOUT: inst61: concrete_constant(inst61)
// CHECK:STDOUT: inst62: concrete_constant(inst62)
// CHECK:STDOUT: inst64: concrete_constant(inst66)
// CHECK:STDOUT: inst65: concrete_constant(inst65)
// CHECK:STDOUT: inst66: concrete_constant(inst66)
// CHECK:STDOUT: symbolic_constants: {}
// CHECK:STDOUT: inst_blocks:
// CHECK:STDOUT: inst_block_empty: {}
// CHECK:STDOUT: exports:
// CHECK:STDOUT: 0: inst27
// CHECK:STDOUT: imports:
// CHECK:STDOUT: 0: inst16
// CHECK:STDOUT: 1: inst18
// CHECK:STDOUT: 2: inst38
// CHECK:STDOUT: 3: inst41
// CHECK:STDOUT: 4: inst44
// CHECK:STDOUT: 5: inst55
// CHECK:STDOUT: 6: inst64
// CHECK:STDOUT: global_init: {}
// CHECK:STDOUT: inst_block4:
// CHECK:STDOUT: 0: inst17
// CHECK:STDOUT: 1: inst20
// CHECK:STDOUT: inst_block5:
// CHECK:STDOUT: 0: inst24
// CHECK:STDOUT: inst_block6:
// CHECK:STDOUT: 0: inst25
// CHECK:STDOUT: inst_block7:
// CHECK:STDOUT: 0: inst23
// CHECK:STDOUT: 1: inst24
// CHECK:STDOUT: inst_block8:
// CHECK:STDOUT: 0: inst25
// CHECK:STDOUT: 1: inst26
// CHECK:STDOUT: 2: inst21
// CHECK:STDOUT: inst_block9:
// CHECK:STDOUT: 0: inst36
// CHECK:STDOUT: 1: inst40
// CHECK:STDOUT: 2: inst47
// CHECK:STDOUT: 3: inst48
// CHECK:STDOUT: 4: inst49
// CHECK:STDOUT: 5: inst50
// CHECK:STDOUT: 6: inst67
// CHECK:STDOUT: 7: inst68
// CHECK:STDOUT: 8: inst69
// CHECK:STDOUT: 9: inst70
// CHECK:STDOUT: inst_block10:
// CHECK:STDOUT: 0: inst31
// CHECK:STDOUT: 1: inst33
// CHECK:STDOUT: inst_block11: {}
// CHECK:STDOUT: inst_block12:
// CHECK:STDOUT: 0: inst53
// CHECK:STDOUT: inst_block13:
// CHECK:STDOUT: 0: inst54
// CHECK:STDOUT: inst_block14:
// CHECK:STDOUT: 0: inst52
// CHECK:STDOUT: 1: inst53
// CHECK:STDOUT: inst_block15:
// CHECK:STDOUT: 0: inst54
// CHECK:STDOUT: 1: inst51
// CHECK:STDOUT: inst_block16: {}
// CHECK:STDOUT: inst_block17:
// CHECK:STDOUT: 0: inst62
// CHECK:STDOUT: inst_block18:
// CHECK:STDOUT: 0: inst63
// CHECK:STDOUT: inst_block19:
// CHECK:STDOUT: 0: inst61
// CHECK:STDOUT: 1: inst62
// CHECK:STDOUT: inst_block20:
// CHECK:STDOUT: 0: inst63
// CHECK:STDOUT: 1: inst59
// CHECK:STDOUT: inst_block21:
// CHECK:STDOUT: 0: inst50
// CHECK:STDOUT: inst_block22:
// CHECK:STDOUT: 0: inst68
// CHECK:STDOUT: inst_block23:
// CHECK:STDOUT: 0: inst14
// CHECK:STDOUT: 1: inst15
// CHECK:STDOUT: 2: inst27
// CHECK:STDOUT: ...
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