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1; RUN: llc -mtriple=x86_64-macosx %s -o %t -filetype=obj2; RUN: llvm-dwarfdump -debug-info %t | FileCheck %s3 4; CHECK: DW_TAG_structure_type5; CHECK: DW_AT_declaration6; CHECK: DW_AT_APPLE_runtime_class7 8source_filename = "test/DebugInfo/X86/objc-fwd-decl.ll"9 10%0 = type opaque11 12@a = common global ptr null, align 8, !dbg !013 14!llvm.dbg.cu = !{!5}15!llvm.module.flags = !{!8, !9, !10, !11, !12, !13}16 17!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())18!1 = !DIGlobalVariable(name: "a", scope: null, file: !2, line: 3, type: !3, isLocal: false, isDefinition: true)19!2 = !DIFile(filename: "foo.m", directory: "/Users/echristo")20!3 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !4, size: 64, align: 64)21!4 = !DICompositeType(tag: DW_TAG_structure_type, name: "FooBarBaz", file: !2, line: 1, flags: DIFlagFwdDecl, runtimeLang: DW_LANG_ObjC)22!5 = distinct !DICompileUnit(language: DW_LANG_ObjC, file: !2, producer: "clang version 3.1 (trunk 152054 trunk 152094)", isOptimized: false, runtimeVersion: 2, emissionKind: FullDebug, enums: !6, retainedTypes: !6, globals: !7, imports: !6)23!6 = !{}24!7 = !{!0}25!8 = !{i32 1, !"Objective-C Version", i32 2}26!9 = !{i32 1, !"Objective-C Image Info Version", i32 0}27!10 = !{i32 1, !"Objective-C Image Info Section", !"__DATA, __objc_imageinfo, regular, no_dead_strip"}28!11 = !{i32 4, !"Objective-C Garbage Collection", i32 0}29!12 = !{i32 1, !"Debug Info Version", i32 3}30!13 = !{i32 4, !"Objective-C Class Properties", i32 0}31 32