; RUN: llc -mtriple=x86_64-macosx %s -o %t -filetype=obj
; RUN: llvm-dwarfdump %t | FileCheck %s

; CHECK: 0x0000002f:   DW_TAG_structure_type
; CHECK: 0x00000034:     DW_AT_declaration
; CHECK: 0x00000035:     DW_AT_APPLE_runtime_class

%0 = type opaque

@a = common global %0* null, align 8

!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!9, !10, !11, !12}

!0 = metadata !{i32 786449, i32 0, i32 16, metadata !"foo.m", metadata !"/Users/echristo", metadata !"clang version 3.1 (trunk 152054 trunk 152094)", i1 true, i1 false, metadata !"", i32 2, metadata !1, metadata !1, metadata !1, metadata !3} ; [ DW_TAG_compile_unit ]
!1 = metadata !{metadata !2}
!2 = metadata !{i32 0}
!3 = metadata !{metadata !4}
!4 = metadata !{metadata !5}
!5 = metadata !{i32 786484, i32 0, null, metadata !"a", metadata !"a", metadata !"", metadata !6, i32 3, metadata !7, i32 0, i32 1, %0** @a} ; [ DW_TAG_variable ]
!6 = metadata !{i32 786473, metadata !"foo.m", metadata !"/Users/echristo", null} ; [ DW_TAG_file_type ]
!7 = metadata !{i32 786447, null, metadata !"", null, i32 0, i64 64, i64 64, i64 0, i32 0, metadata !8} ; [ DW_TAG_pointer_type ]
!8 = metadata !{i32 786451, null, metadata !"FooBarBaz", metadata !6, i32 1, i32 0, i32 0, i32 0, i32 4, null, null, i32 16} ; [ DW_TAG_structure_type ]
!9 = metadata !{i32 1, metadata !"Objective-C Version", i32 2}
!10 = metadata !{i32 1, metadata !"Objective-C Image Info Version", i32 0}
!11 = metadata !{i32 1, metadata !"Objective-C Image Info Section", metadata !"__DATA, __objc_imageinfo, regular, no_dead_strip"}
!12 = metadata !{i32 4, metadata !"Objective-C Garbage Collection", i32 0}