mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-24 22:02:23 +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.
99 lines
5.0 KiB
Plaintext
99 lines
5.0 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/interop/cpp/import_inline.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/interop/cpp/import_inline.carbon
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import Cpp inline '''
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void F(int *_Nonnull p) {
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*p = 1;
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}
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''';
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fn Call() -> i32 {
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var n: i32 = 0;
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Cpp.F(&n);
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return n;
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}
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// CHECK:STDOUT: ; ModuleID = 'import_inline.carbon'
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// CHECK:STDOUT: source_filename = "import_inline.carbon"
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// CHECK:STDOUT: target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
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// CHECK:STDOUT: target triple = "x86_64-unknown-linux-gnu"
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: mustprogress nounwind uwtable
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// CHECK:STDOUT: define dso_local void @_Z1FPi(ptr noundef %p) #0 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: %p.addr = alloca ptr, align 8
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// CHECK:STDOUT: store ptr %p, ptr %p.addr, align 8, !tbaa !11
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// CHECK:STDOUT: %0 = load ptr, ptr %p.addr, align 8, !tbaa !11
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// CHECK:STDOUT: store i32 1, ptr %0, align 4, !tbaa !7
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// CHECK:STDOUT: ret void
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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 @_CCall.Main() #1 !dbg !14 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: %n.var = alloca i32, align 4, !dbg !18
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// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %n.var), !dbg !18
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// CHECK:STDOUT: store i32 0, ptr %n.var, align 4, !dbg !18
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// CHECK:STDOUT: call void @_Z1FPi(ptr %n.var), !dbg !19
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// CHECK:STDOUT: %.loc24 = load i32, ptr %n.var, align 4, !dbg !20
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// CHECK:STDOUT: call void @"_COp.94e3ca86614aba5d:core.Destroy.Core"(ptr %n.var), !dbg !18
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// CHECK:STDOUT: ret i32 %.loc24, !dbg !21
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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 weak_odr void @"_COp.94e3ca86614aba5d:core.Destroy.Core"(ptr %self) #1 !dbg !22 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: ret void, !dbg !27
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
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// CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #2
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// CHECK:STDOUT:
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// CHECK:STDOUT: attributes #0 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
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// CHECK:STDOUT: attributes #1 = { nounwind }
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// CHECK:STDOUT: attributes #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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// CHECK:STDOUT:
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// CHECK:STDOUT: !llvm.module.flags = !{!0, !1, !2, !3, !4}
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// CHECK:STDOUT: !llvm.dbg.cu = !{!5}
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// CHECK:STDOUT: !llvm.errno.tbaa = !{!7}
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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 = !{i32 8, !"PIC Level", i32 2}
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// CHECK:STDOUT: !3 = !{i32 7, !"PIE Level", i32 2}
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// CHECK:STDOUT: !4 = !{i32 7, !"uwtable", i32 2}
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// CHECK:STDOUT: !5 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !6, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
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// CHECK:STDOUT: !6 = !DIFile(filename: "import_inline.carbon", directory: "")
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// CHECK:STDOUT: !7 = !{!8, !8, i64 0}
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// CHECK:STDOUT: !8 = !{!"int", !9, i64 0}
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// CHECK:STDOUT: !9 = !{!"omnipotent char", !10, i64 0}
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// CHECK:STDOUT: !10 = !{!"Simple C++ TBAA"}
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// CHECK:STDOUT: !11 = !{!12, !12, i64 0}
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// CHECK:STDOUT: !12 = !{!"p1 int", !13, i64 0}
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// CHECK:STDOUT: !13 = !{!"any pointer", !9, i64 0}
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// CHECK:STDOUT: !14 = distinct !DISubprogram(name: "Call", linkageName: "_CCall.Main", scope: null, file: !6, line: 21, type: !15, spFlags: DISPFlagDefinition, unit: !5)
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// CHECK:STDOUT: !15 = !DISubroutineType(types: !16)
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// CHECK:STDOUT: !16 = !{!17}
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// CHECK:STDOUT: !17 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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// CHECK:STDOUT: !18 = !DILocation(line: 22, column: 3, scope: !14)
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// CHECK:STDOUT: !19 = !DILocation(line: 23, column: 3, scope: !14)
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// CHECK:STDOUT: !20 = !DILocation(line: 24, column: 10, scope: !14)
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// CHECK:STDOUT: !21 = !DILocation(line: 24, column: 3, scope: !14)
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// CHECK:STDOUT: !22 = distinct !DISubprogram(name: "Op", linkageName: "_COp.94e3ca86614aba5d:core.Destroy.Core", scope: null, file: !6, line: 22, type: !23, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !25)
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// CHECK:STDOUT: !23 = !DISubroutineType(types: !24)
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// CHECK:STDOUT: !24 = !{null, !17}
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// CHECK:STDOUT: !25 = !{!26}
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// CHECK:STDOUT: !26 = !DILocalVariable(arg: 1, scope: !22, type: !17)
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// CHECK:STDOUT: !27 = !DILocation(line: 22, column: 3, scope: !22)
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