1; RUN: llvm-link %s %p/2011-08-18-unique-class-type2.ll -S -o - | FileCheck %s
2; CHECK: DW_TAG_class_type
3; CHECK-NOT: DW_TAG_class_type
4; Test to check there is only one MDNode for class A after linking.
5
6target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
7target triple = "x86_64-apple-macosx10.7.0"
8
9%"class.N1::A" = type { i8 }
10
11define void @_Z3fooN2N11AE() nounwind uwtable ssp !dbg !5 {
12entry:
13  %mya = alloca %"class.N1::A", align 1
14  call void @llvm.dbg.declare(metadata %"class.N1::A"* %mya, metadata !9, metadata !DIExpression()), !dbg !13
15  ret void, !dbg !14
16}
17
18declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
19
20!llvm.dbg.cu = !{!0}
21!llvm.module.flags = !{!18}
22
23!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.0 (trunk 137954)", isOptimized: true, emissionKind: 0, file: !16, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2)
24!1 = !{!2}
25!2 = !{}
26!3 = !{!5}
27!5 = distinct !DISubprogram(name: "foo", linkageName: "_Z3fooN2N11AE", line: 4, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, file: !16, scope: !6, type: !7)
28!6 = !DIFile(filename: "n1.c", directory: "/private/tmp")
29!7 = !DISubroutineType(types: !8)
30!8 = !{null}
31!9 = !DILocalVariable(name: "mya", line: 4, arg: 1, scope: !5, file: !6, type: !10)
32!10 = !DICompositeType(tag: DW_TAG_class_type, name: "A", line: 3, size: 8, align: 8, file: !17, scope: !11, elements: !2)
33!11 = !DINamespace(name: "N1", line: 2, file: !17, scope: null)
34!12 = !DIFile(filename: "./n.h", directory: "/private/tmp")
35!13 = !DILocation(line: 4, column: 12, scope: !5)
36!14 = !DILocation(line: 4, column: 18, scope: !15)
37!15 = distinct !DILexicalBlock(line: 4, column: 17, file: !16, scope: !5)
38!16 = !DIFile(filename: "n1.c", directory: "/private/tmp")
39!17 = !DIFile(filename: "./n.h", directory: "/private/tmp")
40!18 = !{i32 1, !"Debug Info Version", i32 3}
41