; RUN: llc -mtriple=x86_64-unknown-linux-gnu %s -o %t -filetype=obj
; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s
; RUN: llvm-as < %s | llvm-dis | FileCheck --check-prefix=CHECK-DIS %s

; CHECK: 0x0000000b: DW_TAG_compile_unit
; CHECK:               DW_AT_name [DW_FORM_strp] ( .debug_str[0x00000035] = "foo.cpp")
; CHECK: 0x{{[0-9a-f]+}}:   DW_TAG_class_type
; CHECK:                 DW_AT_name [DW_FORM_strp]       ( .debug_str[0x{{[0-9a-f]+}}] = "D")
; CHECK: 0x{{[0-9a-f]+}}:     DW_TAG_member
; CHECK:                   DW_AT_name [DW_FORM_strp]     ( .debug_str[0x{{[0-9a-f]+}}] = "c1")
; CHECK: DW_TAG_subprogram
; CHECK-NEXT: DW_AT_name [DW_FORM_strp]     ( .debug_str[0x{{[0-9a-f]+}}] = "D")
; CHECK: DW_TAG_formal_parameter
; CHECK: DW_AT_artificial [DW_FORM_flag_present]       (true)

; CHECK-DIS: [artificial]

%class.D = type { i32, i32, i32, i32 }

@_ZN1DC1Ev = alias void (%class.D*)* @_ZN1DC2Ev
@_ZN1DC1ERKS_ = alias void (%class.D*, %class.D*)* @_ZN1DC2ERKS_

define void @_ZN1DC2Ev(%class.D* nocapture %this) unnamed_addr nounwind uwtable align 2 {
entry:
  tail call void @llvm.dbg.value(metadata %class.D* %this, i64 0, metadata !29, metadata !{!"0x102"}), !dbg !36
  %c1 = getelementptr inbounds %class.D* %this, i64 0, i32 0, !dbg !37
  store i32 1, i32* %c1, align 4, !dbg !37
  %c2 = getelementptr inbounds %class.D* %this, i64 0, i32 1, !dbg !42
  store i32 2, i32* %c2, align 4, !dbg !42
  %c3 = getelementptr inbounds %class.D* %this, i64 0, i32 2, !dbg !43
  store i32 3, i32* %c3, align 4, !dbg !43
  %c4 = getelementptr inbounds %class.D* %this, i64 0, i32 3, !dbg !44
  store i32 4, i32* %c4, align 4, !dbg !44
  ret void, !dbg !45
}

define void @_ZN1DC2ERKS_(%class.D* nocapture %this, %class.D* nocapture %d) unnamed_addr nounwind uwtable align 2 {
entry:
  tail call void @llvm.dbg.value(metadata %class.D* %this, i64 0, metadata !34, metadata !{!"0x102"}), !dbg !46
  tail call void @llvm.dbg.value(metadata %class.D* %d, i64 0, metadata !35, metadata !{!"0x102"}), !dbg !46
  %c1 = getelementptr inbounds %class.D* %d, i64 0, i32 0, !dbg !47
  %0 = load i32* %c1, align 4, !dbg !47
  %c12 = getelementptr inbounds %class.D* %this, i64 0, i32 0, !dbg !47
  store i32 %0, i32* %c12, align 4, !dbg !47
  %c2 = getelementptr inbounds %class.D* %d, i64 0, i32 1, !dbg !49
  %1 = load i32* %c2, align 4, !dbg !49
  %c23 = getelementptr inbounds %class.D* %this, i64 0, i32 1, !dbg !49
  store i32 %1, i32* %c23, align 4, !dbg !49
  %c3 = getelementptr inbounds %class.D* %d, i64 0, i32 2, !dbg !50
  %2 = load i32* %c3, align 4, !dbg !50
  %c34 = getelementptr inbounds %class.D* %this, i64 0, i32 2, !dbg !50
  store i32 %2, i32* %c34, align 4, !dbg !50
  %c4 = getelementptr inbounds %class.D* %d, i64 0, i32 3, !dbg !51
  %3 = load i32* %c4, align 4, !dbg !51
  %c45 = getelementptr inbounds %class.D* %this, i64 0, i32 3, !dbg !51
  store i32 %3, i32* %c45, align 4, !dbg !51
  ret void, !dbg !52
}

declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone

!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!54}

!0 = !{!"0x11\004\00clang version 3.2 (trunk 167506) (llvm/trunk 167505)\001\00\000\00\000", !53, !1, !1, !3, !1,  !1} ; [ DW_TAG_compile_unit ] [/usr/local/google/home/echristo/foo.cpp] [DW_LANG_C_plus_plus]
!1 = !{}
!3 = !{!5, !31}
!5 = !{!"0x2e\00D\00D\00_ZN1DC2Ev\0012\000\001\000\006\00256\001\0012", !6, null, !7, null, void (%class.D*)* @_ZN1DC2Ev, null, !17, !27} ; [ DW_TAG_subprogram ] [line 12] [def] [D]
!6 = !{!"0x29", !53} ; [ DW_TAG_file_type ]
!7 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !8, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!8 = !{null, !9}
!9 = !{!"0xf\00\000\0064\0064\000\001088", i32 0, null, !10} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from D]
!10 = !{!"0x2\00D\001\00128\0032\000\000\000", !53, null, null, !11, null, null, null} ; [ DW_TAG_class_type ] [D] [line 1, size 128, align 32, offset 0] [def] [from ]
!11 = !{!12, !14, !15, !16, !17, !20}
!12 = !{!"0xd\00c1\006\0032\0032\000\001", !53, !10, !13} ; [ DW_TAG_member ] [c1] [line 6, size 32, align 32, offset 0] [private] [from int]
!13 = !{!"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
!14 = !{!"0xd\00c2\007\0032\0032\0032\001", !53, !10, !13} ; [ DW_TAG_member ] [c2] [line 7, size 32, align 32, offset 32] [private] [from int]
!15 = !{!"0xd\00c3\008\0032\0032\0064\001", !53, !10, !13} ; [ DW_TAG_member ] [c3] [line 8, size 32, align 32, offset 64] [private] [from int]
!16 = !{!"0xd\00c4\009\0032\0032\0096\001", !53, !10, !13} ; [ DW_TAG_member ] [c4] [line 9, size 32, align 32, offset 96] [private] [from int]
!17 = !{!"0x2e\00D\00D\00\003\000\000\000\006\00256\001\003", !6, !10, !7, null, null, null, i32 0, !18} ; [ DW_TAG_subprogram ] [line 3] [D]
!18 = !{!19}
!19 = !{!"0x24"}                      ; [ DW_TAG_base_type ] [line 0, size 0, align 0, offset 0]
!20 = !{!"0x2e\00D\00D\00\004\000\000\000\006\00256\001\004", !6, !10, !21, null, null, null, i32 0, !25} ; [ DW_TAG_subprogram ] [line 4] [D]
!21 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !22, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!22 = !{null, !9, !23}
!23 = !{!"0x10\00\000\000\000\000\000", null, null, !24} ; [ DW_TAG_reference_type ] [line 0, size 0, align 0, offset 0] [from ]
!24 = !{!"0x26\00\000\000\000\000\000", null, null, !10} ; [ DW_TAG_const_type ] [line 0, size 0, align 0, offset 0] [from D]
!25 = !{!26}
!26 = !{!"0x24"}                      ; [ DW_TAG_base_type ] [line 0, size 0, align 0, offset 0]
!27 = !{!29}
!29 = !{!"0x101\00this\0016777228\001088", !5, !6, !30} ; [ DW_TAG_arg_variable ] [this] [line 12]
!30 = !{!"0xf\00\000\0064\0064\000\000", null, null, !10} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from D]
!31 = !{!"0x2e\00D\00D\00_ZN1DC2ERKS_\0019\000\001\000\006\00256\001\0019", !6, null, !21, null, void (%class.D*, %class.D*)* @_ZN1DC2ERKS_, null, !20, !32} ; [ DW_TAG_subprogram ] [line 19] [def] [D]
!32 = !{!34, !35}
!34 = !{!"0x101\00this\0016777235\001088", !31, !6, !30} ; [ DW_TAG_arg_variable ] [this] [line 19]
!35 = !{!"0x101\00d\0033554451\000", !31, !6, !23} ; [ DW_TAG_arg_variable ] [d] [line 19]
!36 = !MDLocation(line: 12, scope: !5)
!37 = !MDLocation(line: 13, scope: !38)
!38 = !{!"0xb\0012\000\000", !6, !5} ; [ DW_TAG_lexical_block ] [/usr/local/google/home/echristo/foo.cpp]
!42 = !MDLocation(line: 14, scope: !38)
!43 = !MDLocation(line: 15, scope: !38)
!44 = !MDLocation(line: 16, scope: !38)
!45 = !MDLocation(line: 17, scope: !38)
!46 = !MDLocation(line: 19, scope: !31)
!47 = !MDLocation(line: 20, scope: !48)
!48 = !{!"0xb\0019\000\001", !6, !31} ; [ DW_TAG_lexical_block ] [/usr/local/google/home/echristo/foo.cpp]
!49 = !MDLocation(line: 21, scope: !48)
!50 = !MDLocation(line: 22, scope: !48)
!51 = !MDLocation(line: 23, scope: !48)
!52 = !MDLocation(line: 24, scope: !48)
!53 = !{!"foo.cpp", !"/usr/local/google/home/echristo"}
!54 = !{i32 1, !"Debug Info Version", i32 2}