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carbon-lang/toolchain/check/testdata/basics/raw_sem_ir/multifile.carbon
T
Richard Smith 05cc09daca Fix cross-package signature mismatches. (#7232) 
Fixes link failures when referencing a symbol involving a fingerprint
from a different package.

Previously we included the `Namespace`'s `import_id` as part of its
fingerprint, which caused local and imported namespaces to get different
fingerprints. We now store the `import_id` on the `NameScope` instead of
on the `Namespace` inst to avoid this problem.

Also, when we reach a package-level `NameScopeId`, consistently
fingerprint it as a (package name, library name) pair. Previously the
fingerprinting depended on whether it was imported or not, as an
imported `NameScopeId` had a parent scope (the current package). We need
to include the library name here so that private entities with the same
name in different libraries have different fingerprints.
2026-05-21 00:02:29 +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 --no-dump-sem-ir
//
// Check that raw IR dumping works as expected.
//
// 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/multifile.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/basics/raw_sem_ir/multifile.carbon
// --- a.carbon
package A;
fn A() {}
// --- b.carbon
package B;
import A;
fn B() {
A.A();
}
// CHECK:STDOUT: ---
// CHECK:STDOUT: filename: a.carbon
// CHECK:STDOUT: sem_ir:
// CHECK:STDOUT: names:
// CHECK:STDOUT: name0: A
// CHECK:STDOUT: import_irs:
// CHECK:STDOUT: 'import_ir(ApiForImpl)': {decl_id: inst<none>, is_export: false}
// CHECK:STDOUT: 'import_ir(Cpp)': {decl_id: inst<none>, is_export: false}
// CHECK:STDOUT: import_ir_insts: {}
// CHECK:STDOUT: clang_decls: {}
// CHECK:STDOUT: clang_decl_signatures: {}
// CHECK:STDOUT: name_scopes:
// CHECK:STDOUT: name_scope0: {inst: instF, parent_scope: name_scope<none>, has_error: false, extended_scopes: [], names: {name0: inst50000010}}
// CHECK:STDOUT: entity_names: {}
// CHECK:STDOUT: cpp_global_vars: {}
// CHECK:STDOUT: functions:
// CHECK:STDOUT: function50000000: {name: name0, parent_scope: name_scope0, call_param_patterns_id: inst_block_empty, call_params_id: inst_block_empty, body: [inst_block50000006]}
// CHECK:STDOUT: classes: {}
// CHECK:STDOUT: interfaces: {}
// CHECK:STDOUT: associated_constants: {}
// CHECK:STDOUT: impls: {}
// CHECK:STDOUT: generics: {}
// CHECK:STDOUT: specifics: {}
// CHECK:STDOUT: specific_interfaces: {}
// CHECK:STDOUT: struct_type_fields:
// CHECK:STDOUT: struct_type_fields_empty: {}
// CHECK:STDOUT: types:
// CHECK:STDOUT: 'type(TypeType)':
// CHECK:STDOUT: value_repr: {kind: copy, type: type(TypeType)}
// CHECK:STDOUT: object_layout:
// CHECK:STDOUT: size: 0
// CHECK:STDOUT: alignment: 1
// CHECK:STDOUT: 'type(inst(FormType))':
// CHECK:STDOUT: value_repr: {kind: copy, type: type(inst(FormType))}
// CHECK:STDOUT: object_layout:
// CHECK:STDOUT: size: 0
// CHECK:STDOUT: alignment: 1
// CHECK:STDOUT: 'type(Error)':
// CHECK:STDOUT: value_repr: {kind: copy, type: type(Error)}
// CHECK:STDOUT: object_layout:
// CHECK:STDOUT: size: 0
// CHECK:STDOUT: alignment: 1
// CHECK:STDOUT: 'type(inst(InstType))':
// CHECK:STDOUT: value_repr: {kind: copy, type: type(inst(InstType))}
// CHECK:STDOUT: object_layout:
// CHECK:STDOUT: size: 0
// CHECK:STDOUT: alignment: 1
// CHECK:STDOUT: 'type(inst(NamespaceType))':
// CHECK:STDOUT: value_repr: {kind: copy, type: type(inst(NamespaceType))}
// CHECK:STDOUT: object_layout:
// CHECK:STDOUT: size: 0
// CHECK:STDOUT: alignment: 1
// CHECK:STDOUT: 'type(inst50000011)':
// CHECK:STDOUT: value_repr: {kind: none, type: type(inst50000012)}
// CHECK:STDOUT: object_layout:
// CHECK:STDOUT: size: 0
// CHECK:STDOUT: alignment: 1
// CHECK:STDOUT: 'type(inst50000012)':
// CHECK:STDOUT: value_repr: {kind: none, type: type(inst50000012)}
// CHECK:STDOUT: object_layout:
// CHECK:STDOUT: size: 0
// CHECK:STDOUT: alignment: 1
// CHECK:STDOUT: facet_types: {}
// CHECK:STDOUT: insts:
// CHECK:STDOUT: instF: {kind: Namespace, arg0: name_scope0, type: type(inst(NamespaceType))}
// CHECK:STDOUT: inst50000010: {kind: FunctionDecl, arg0: function50000000, arg1: inst_block_empty, type: type(inst50000011)}
// CHECK:STDOUT: inst50000011: {kind: FunctionType, arg0: function50000000, arg1: specific<none>, type: type(TypeType)}
// CHECK:STDOUT: inst50000012: {kind: TupleType, arg0: inst_block_empty, type: type(TypeType)}
// CHECK:STDOUT: inst50000013: {kind: StructValue, arg0: inst_block_empty, type: type(inst50000011)}
// CHECK:STDOUT: inst50000014: {kind: Return}
// CHECK:STDOUT: bundles: {}
// CHECK:STDOUT: constant_values:
// CHECK:STDOUT: values:
// CHECK:STDOUT: instF: concrete_constant(instF)
// CHECK:STDOUT: inst50000010: concrete_constant(inst50000013)
// CHECK:STDOUT: inst50000011: concrete_constant(inst50000011)
// CHECK:STDOUT: inst50000012: concrete_constant(inst50000012)
// CHECK:STDOUT: inst50000013: concrete_constant(inst50000013)
// CHECK:STDOUT: symbolic_constants: {}
// CHECK:STDOUT: inst_blocks:
// CHECK:STDOUT: inst_block_empty: {}
// CHECK:STDOUT: exports:
// CHECK:STDOUT: 0: inst50000010
// CHECK:STDOUT: generated: {}
// CHECK:STDOUT: imports: {}
// CHECK:STDOUT: global_init: {}
// CHECK:STDOUT: inst_block50000005: {}
// CHECK:STDOUT: inst_block50000006:
// CHECK:STDOUT: 0: inst50000014
// CHECK:STDOUT: inst_block50000007:
// CHECK:STDOUT: 0: instF
// CHECK:STDOUT: 1: inst50000010
// CHECK:STDOUT: value_stores:
// CHECK:STDOUT: shared_values:
// CHECK:STDOUT: ints: {}
// CHECK:STDOUT: reals: {}
// CHECK:STDOUT: floats: {}
// CHECK:STDOUT: identifiers:
// CHECK:STDOUT: identifier0: A
// CHECK:STDOUT: strings: {}
// CHECK:STDOUT: ...
// CHECK:STDOUT: ---
// CHECK:STDOUT: filename: b.carbon
// CHECK:STDOUT: sem_ir:
// CHECK:STDOUT: names:
// CHECK:STDOUT: name0: B
// CHECK:STDOUT: name1: A
// CHECK:STDOUT: import_irs:
// CHECK:STDOUT: 'import_ir(ApiForImpl)': {decl_id: inst<none>, is_export: false}
// CHECK:STDOUT: 'import_ir(Cpp)': {decl_id: inst<none>, is_export: false}
// CHECK:STDOUT: import_ir70000002: {decl_id: inst70000010, is_export: false}
// CHECK:STDOUT: import_ir_insts:
// CHECK:STDOUT: import_ir_inst0: {ir_id: import_ir70000002, inst_id: inst50000010}
// CHECK:STDOUT: import_ir_inst1: {ir_id: import_ir70000002, inst_id: inst50000010}
// CHECK:STDOUT: clang_decls: {}
// CHECK:STDOUT: clang_decl_signatures: {}
// CHECK:STDOUT: name_scopes:
// CHECK:STDOUT: name_scope0: {inst: instF, parent_scope: name_scope<none>, has_error: false, extended_scopes: [], names: {name1: inst70000011, name0: inst70000012}}
// CHECK:STDOUT: name_scope70000001: {inst: inst70000011, parent_scope: name_scope0, has_error: false, extended_scopes: [], names: {name1: inst70000017}}
// CHECK:STDOUT: entity_names:
// CHECK:STDOUT: entity_name70000000: {name: name1, parent_scope: name_scope70000001, index: -1, is_template: 0, is_unused: 0, form: inst<none>}
// CHECK:STDOUT: cpp_global_vars: {}
// CHECK:STDOUT: functions:
// CHECK:STDOUT: function70000000: {name: name0, parent_scope: name_scope0, call_param_patterns_id: inst_block_empty, call_params_id: inst_block_empty, body: [inst_block70000006]}
// CHECK:STDOUT: function70000001: {name: name1, parent_scope: name_scope70000001, call_param_patterns_id: inst_block_empty}
// CHECK:STDOUT: classes: {}
// CHECK:STDOUT: interfaces: {}
// CHECK:STDOUT: associated_constants: {}
// CHECK:STDOUT: impls: {}
// CHECK:STDOUT: generics: {}
// CHECK:STDOUT: specifics: {}
// CHECK:STDOUT: specific_interfaces: {}
// CHECK:STDOUT: struct_type_fields:
// CHECK:STDOUT: struct_type_fields_empty: {}
// CHECK:STDOUT: types:
// CHECK:STDOUT: 'type(TypeType)':
// CHECK:STDOUT: value_repr: {kind: copy, type: type(TypeType)}
// CHECK:STDOUT: object_layout:
// CHECK:STDOUT: size: 0
// CHECK:STDOUT: alignment: 1
// CHECK:STDOUT: 'type(inst(FormType))':
// CHECK:STDOUT: value_repr: {kind: copy, type: type(inst(FormType))}
// CHECK:STDOUT: object_layout:
// CHECK:STDOUT: size: 0
// CHECK:STDOUT: alignment: 1
// CHECK:STDOUT: 'type(Error)':
// CHECK:STDOUT: value_repr: {kind: copy, type: type(Error)}
// CHECK:STDOUT: object_layout:
// CHECK:STDOUT: size: 0
// CHECK:STDOUT: alignment: 1
// CHECK:STDOUT: 'type(inst(InstType))':
// CHECK:STDOUT: value_repr: {kind: copy, type: type(inst(InstType))}
// CHECK:STDOUT: object_layout:
// CHECK:STDOUT: size: 0
// CHECK:STDOUT: alignment: 1
// CHECK:STDOUT: 'type(inst(NamespaceType))':
// CHECK:STDOUT: value_repr: {kind: copy, type: type(inst(NamespaceType))}
// CHECK:STDOUT: object_layout:
// CHECK:STDOUT: size: 0
// CHECK:STDOUT: alignment: 1
// CHECK:STDOUT: 'type(inst70000013)':
// CHECK:STDOUT: value_repr: {kind: none, type: type(inst70000014)}
// CHECK:STDOUT: object_layout:
// CHECK:STDOUT: size: 0
// CHECK:STDOUT: alignment: 1
// CHECK:STDOUT: 'type(inst70000014)':
// CHECK:STDOUT: value_repr: {kind: none, type: type(inst70000014)}
// CHECK:STDOUT: object_layout:
// CHECK:STDOUT: size: 0
// CHECK:STDOUT: alignment: 1
// CHECK:STDOUT: facet_types: {}
// CHECK:STDOUT: insts:
// CHECK:STDOUT: instF: {kind: Namespace, arg0: name_scope0, type: type(inst(NamespaceType))}
// CHECK:STDOUT: inst70000010: {kind: ImportDecl, arg0: name1}
// CHECK:STDOUT: inst70000011: {kind: Namespace, arg0: name_scope70000001, type: type(inst(NamespaceType))}
// CHECK:STDOUT: inst70000012: {kind: FunctionDecl, arg0: function70000000, arg1: inst_block_empty, type: type(inst70000013)}
// CHECK:STDOUT: inst70000013: {kind: FunctionType, arg0: function70000000, arg1: specific<none>, type: type(TypeType)}
// CHECK:STDOUT: inst70000014: {kind: TupleType, arg0: inst_block_empty, type: type(TypeType)}
// CHECK:STDOUT: inst70000015: {kind: StructValue, arg0: inst_block_empty, type: type(inst70000013)}
// CHECK:STDOUT: inst70000016: {kind: NameRef, arg0: name1, arg1: inst70000011, type: type(inst(NamespaceType))}
// CHECK:STDOUT: inst70000017: {kind: ImportRefLoaded, arg0: import_ir_inst0, arg1: entity_name70000000, type: type(inst70000019)}
// CHECK:STDOUT: inst70000018: {kind: FunctionDecl, arg0: function70000001, arg1: inst_block_empty, type: type(inst70000019)}
// CHECK:STDOUT: inst70000019: {kind: FunctionType, arg0: function70000001, arg1: specific<none>, type: type(TypeType)}
// CHECK:STDOUT: inst7000001A: {kind: StructValue, arg0: inst_block_empty, type: type(inst70000019)}
// CHECK:STDOUT: inst7000001B: {kind: NameRef, arg0: name1, arg1: inst70000017, type: type(inst70000019)}
// CHECK:STDOUT: inst7000001C: {kind: Call, arg0: inst7000001B, arg1: inst_block_empty, type: type(inst70000014)}
// CHECK:STDOUT: inst7000001D: {kind: Return}
// CHECK:STDOUT: bundles: {}
// CHECK:STDOUT: constant_values:
// CHECK:STDOUT: values:
// CHECK:STDOUT: instF: concrete_constant(instF)
// CHECK:STDOUT: inst70000011: concrete_constant(inst70000011)
// CHECK:STDOUT: inst70000012: concrete_constant(inst70000015)
// CHECK:STDOUT: inst70000013: concrete_constant(inst70000013)
// CHECK:STDOUT: inst70000014: concrete_constant(inst70000014)
// CHECK:STDOUT: inst70000015: concrete_constant(inst70000015)
// CHECK:STDOUT: inst70000016: concrete_constant(inst70000011)
// CHECK:STDOUT: inst70000017: concrete_constant(inst7000001A)
// CHECK:STDOUT: inst70000018: concrete_constant(inst7000001A)
// CHECK:STDOUT: inst70000019: concrete_constant(inst70000019)
// CHECK:STDOUT: inst7000001A: concrete_constant(inst7000001A)
// CHECK:STDOUT: inst7000001B: concrete_constant(inst7000001A)
// CHECK:STDOUT: symbolic_constants: {}
// CHECK:STDOUT: inst_blocks:
// CHECK:STDOUT: inst_block_empty: {}
// CHECK:STDOUT: exports:
// CHECK:STDOUT: 0: inst70000012
// CHECK:STDOUT: generated: {}
// CHECK:STDOUT: imports:
// CHECK:STDOUT: 0: inst70000011
// CHECK:STDOUT: 1: inst70000017
// CHECK:STDOUT: 2: inst70000018
// CHECK:STDOUT: global_init: {}
// CHECK:STDOUT: inst_block70000005: {}
// CHECK:STDOUT: inst_block70000006:
// CHECK:STDOUT: 0: inst70000016
// CHECK:STDOUT: 1: inst7000001B
// CHECK:STDOUT: 2: inst7000001C
// CHECK:STDOUT: 3: inst7000001D
// CHECK:STDOUT: inst_block70000007:
// CHECK:STDOUT: 0: instF
// CHECK:STDOUT: 1: inst70000010
// CHECK:STDOUT: 2: inst70000012
// CHECK:STDOUT: value_stores:
// CHECK:STDOUT: shared_values:
// CHECK:STDOUT: ints: {}
// CHECK:STDOUT: reals: {}
// CHECK:STDOUT: floats: {}
// CHECK:STDOUT: identifiers:
// CHECK:STDOUT: identifier0: B
// CHECK:STDOUT: identifier1: A
// CHECK:STDOUT: strings: {}
// CHECK:STDOUT: ...
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