mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-10-05 21:21:19 +01:00
Richard Smith
05cc09daca
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.
140 lines
5.8 KiB
Plaintext
140 lines
5.8 KiB
Plaintext
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/int.carbon
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//
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// AUTOUPDATE
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// TIP: To test this file alone, run:
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// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/lower/testdata/packages/cross_package_call.carbon
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// TIP: To dump output, run:
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// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/lower/testdata/packages/cross_package_call.carbon
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// --- a.carbon
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package A;
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namespace NS;
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fn NS.F() {}
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fn NS.G(x: i32) -> i32 { return x; }
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interface I {
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fn F();
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}
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class C {}
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impl C as I {
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fn F() {}
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}
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// --- b.carbon
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import A;
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fn F() { A.NS.F(); }
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fn G() -> i32 { return A.NS.G(1); }
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fn CallCAsI() {
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(A.C as A.I).F();
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}
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// CHECK:STDOUT: ; ModuleID = 'a.carbon'
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// CHECK:STDOUT: source_filename = "a.carbon"
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nounwind
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// CHECK:STDOUT: define void @_CF.NS.A() #0 !dbg !4 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: ret void, !dbg !7
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nounwind
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// CHECK:STDOUT: define i32 @_CG.NS.A(i32 %x) #0 !dbg !8 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: ret i32 %x, !dbg !14
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nounwind
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// CHECK:STDOUT: define void @"_CF.C.A:I.A"() #0 !dbg !15 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: ret void, !dbg !16
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: attributes #0 = { nounwind }
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// CHECK:STDOUT:
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// CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
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// CHECK:STDOUT: !llvm.dbg.cu = !{!2}
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// CHECK:STDOUT:
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// CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
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// CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
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// CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
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// CHECK:STDOUT: !3 = !DIFile(filename: "a.carbon", directory: "")
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// CHECK:STDOUT: !4 = distinct !DISubprogram(name: "F", linkageName: "_CF.NS.A", scope: null, file: !3, line: 5, type: !5, spFlags: DISPFlagDefinition, unit: !2)
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// CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
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// CHECK:STDOUT: !6 = !{null}
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// CHECK:STDOUT: !7 = !DILocation(line: 5, column: 1, scope: !4)
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// CHECK:STDOUT: !8 = distinct !DISubprogram(name: "G", linkageName: "_CG.NS.A", scope: null, file: !3, line: 7, type: !9, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !12)
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// CHECK:STDOUT: !9 = !DISubroutineType(types: !10)
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// CHECK:STDOUT: !10 = !{!11, !11}
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// CHECK:STDOUT: !11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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// CHECK:STDOUT: !12 = !{!13}
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// CHECK:STDOUT: !13 = !DILocalVariable(arg: 1, scope: !8, type: !11)
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// CHECK:STDOUT: !14 = !DILocation(line: 7, column: 26, scope: !8)
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// CHECK:STDOUT: !15 = distinct !DISubprogram(name: "F", linkageName: "_CF.C.A:I.A", scope: null, file: !3, line: 16, type: !5, spFlags: DISPFlagDefinition, unit: !2)
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// CHECK:STDOUT: !16 = !DILocation(line: 16, column: 3, scope: !15)
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// CHECK:STDOUT: ; ModuleID = 'b.carbon'
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// CHECK:STDOUT: source_filename = "b.carbon"
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nounwind
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// CHECK:STDOUT: define void @_CF.Main() #0 !dbg !4 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: call void @_CF.NS.A(), !dbg !7
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// CHECK:STDOUT: ret void, !dbg !8
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: declare void @_CF.NS.A()
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nounwind
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// CHECK:STDOUT: define i32 @_CG.Main() #0 !dbg !9 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: %G.call = call i32 @_CG.NS.A(i32 1), !dbg !13
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// CHECK:STDOUT: ret i32 %G.call, !dbg !14
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: declare i32 @_CG.NS.A(i32)
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nounwind
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// CHECK:STDOUT: define void @_CCallCAsI.Main() #0 !dbg !15 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: call void @"_CF.C.A:I.A"(), !dbg !16
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// CHECK:STDOUT: ret void, !dbg !17
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: declare void @"_CF.C.A:I.A"()
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// CHECK:STDOUT:
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// CHECK:STDOUT: attributes #0 = { nounwind }
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// CHECK:STDOUT:
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// CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
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// CHECK:STDOUT: !llvm.dbg.cu = !{!2}
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// CHECK:STDOUT:
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// CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
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// CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
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// CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
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// CHECK:STDOUT: !3 = !DIFile(filename: "b.carbon", directory: "")
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// CHECK:STDOUT: !4 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main", scope: null, file: !3, line: 4, type: !5, spFlags: DISPFlagDefinition, unit: !2)
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// CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
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// CHECK:STDOUT: !6 = !{null}
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// CHECK:STDOUT: !7 = !DILocation(line: 4, column: 10, scope: !4)
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// CHECK:STDOUT: !8 = !DILocation(line: 4, column: 1, scope: !4)
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// CHECK:STDOUT: !9 = distinct !DISubprogram(name: "G", linkageName: "_CG.Main", scope: null, file: !3, line: 6, type: !10, spFlags: DISPFlagDefinition, unit: !2)
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// CHECK:STDOUT: !10 = !DISubroutineType(types: !11)
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// CHECK:STDOUT: !11 = !{!12}
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// CHECK:STDOUT: !12 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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// CHECK:STDOUT: !13 = !DILocation(line: 6, column: 24, scope: !9)
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// CHECK:STDOUT: !14 = !DILocation(line: 6, column: 17, scope: !9)
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// CHECK:STDOUT: !15 = distinct !DISubprogram(name: "CallCAsI", linkageName: "_CCallCAsI.Main", scope: null, file: !3, line: 8, type: !5, spFlags: DISPFlagDefinition, unit: !2)
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// CHECK:STDOUT: !16 = !DILocation(line: 9, column: 3, scope: !15)
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// CHECK:STDOUT: !17 = !DILocation(line: 8, column: 1, scope: !15)
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