1; RUN: llc -mtriple=x86_64-macosx %s -o %t -filetype=obj 2; RUN: llvm-dwarfdump -debug-info %t | FileCheck %s 3 4; CHECK: DW_TAG_structure_type 5; CHECK: DW_AT_declaration 6; CHECK: DW_AT_APPLE_runtime_class 7 8source_filename = "test/DebugInfo/X86/objc-fwd-decl.ll" 9 10%0 = type opaque 11 12@a = common global %0* null, align 8, !dbg !0 13 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