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Debug info (LTO): Move the creation of accessibility flags to
getOrCreateSubprogramDIE to avoid attributes being added twice when DIEs are merged. rdar://problem/15842330. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199536 91177308-0d34-0410-b5e6-96231b3b80d8
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3 files changed

+233
-15
lines changed

3 files changed

+233
-15
lines changed

‎lib/CodeGen/AsmPrinter/DwarfUnit.cpp

Lines changed: 16 additions & 15 deletions
Original file line numberDiff line numberDiff line change
@@ -1191,21 +1191,9 @@ void DwarfUnit::constructTypeDIE(DIE &Buffer, DICompositeType CTy) {
11911191
for (unsigned i = 0, N = Elements.getNumElements(); i < N; ++i) {
11921192
DIDescriptor Element = Elements.getElement(i);
11931193
DIE *ElemDie = NULL;
1194-
if (Element.isSubprogram()) {
1195-
DISubprogram SP(Element);
1196-
ElemDie = getOrCreateSubprogramDIE(SP);
1197-
if (SP.isProtected())
1198-
addUInt(ElemDie, dwarf::DW_AT_accessibility, dwarf::DW_FORM_data1,
1199-
dwarf::DW_ACCESS_protected);
1200-
else if (SP.isPrivate())
1201-
addUInt(ElemDie, dwarf::DW_AT_accessibility, dwarf::DW_FORM_data1,
1202-
dwarf::DW_ACCESS_private);
1203-
else
1204-
addUInt(ElemDie, dwarf::DW_AT_accessibility, dwarf::DW_FORM_data1,
1205-
dwarf::DW_ACCESS_public);
1206-
if (SP.isExplicit())
1207-
addFlag(ElemDie, dwarf::DW_AT_explicit);
1208-
} else if (Element.isDerivedType()) {
1194+
if (Element.isSubprogram())
1195+
ElemDie = getOrCreateSubprogramDIE(DISubprogram(Element));
1196+
else if (Element.isDerivedType()) {
12091197
DIDerivedType DDTy(Element);
12101198
if (DDTy.getTag() == dwarf::DW_TAG_friend) {
12111199
ElemDie = createAndAddDIE(dwarf::DW_TAG_friend, Buffer);
@@ -1490,6 +1478,19 @@ DIE *DwarfUnit::getOrCreateSubprogramDIE(DISubprogram SP) {
14901478
if (SP.isRValueReference())
14911479
addFlag(SPDie, dwarf::DW_AT_rvalue_reference);
14921480

1481+
if (SP.isProtected())
1482+
addUInt(SPDie, dwarf::DW_AT_accessibility, dwarf::DW_FORM_data1,
1483+
dwarf::DW_ACCESS_protected);
1484+
else if (SP.isPrivate())
1485+
addUInt(SPDie, dwarf::DW_AT_accessibility, dwarf::DW_FORM_data1,
1486+
dwarf::DW_ACCESS_private);
1487+
else
1488+
addUInt(SPDie, dwarf::DW_AT_accessibility, dwarf::DW_FORM_data1,
1489+
dwarf::DW_ACCESS_public);
1490+
1491+
if (SP.isExplicit())
1492+
addFlag(SPDie, dwarf::DW_AT_explicit);
1493+
14931494
return SPDie;
14941495
}
14951496

‎test/Linker/type-unique-simple2-a.ll

Lines changed: 129 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,129 @@
1+
; REQUIRES: object-emission
2+
;
3+
; RUN: llvm-link %s %p/type-unique-simple2-b.ll -S -o - | llc -filetype=obj -O0 | llvm-dwarfdump -debug-dump=info - | FileCheck %s
4+
;
5+
; Tests for a merge error where attributes are inserted twice into the same DIE.
6+
;
7+
; $ cat ab.h
8+
; typedef int foo_t;
9+
; class A {
10+
; public:
11+
; virtual void setFoo();
12+
; virtual const foo_t getFoo();
13+
; };
14+
;
15+
; $ cat a.cpp
16+
; #include "ab.h"
17+
; foo_t bar() {
18+
; return A().getFoo();
19+
; }
20+
;
21+
; CHECK: _ZN1A6setFooEv
22+
; CHECK: DW_AT_accessibility [DW_FORM_data1] (0x01)
23+
; CHECK-NOT: DW_AT_accessibility
24+
; CHECK: DW_TAG
25+
26+
; ModuleID = 'a.cpp'
27+
28+
%class.A = type { i32 (...)** }
29+
30+
@_ZTV1A = external unnamed_addr constant [4 x i8*]
31+
32+
; Function Attrs: nounwind
33+
define i32 @_Z3barv() #0 {
34+
entry:
35+
%tmp = alloca %class.A, align 8
36+
%0 = bitcast %class.A* %tmp to i8*, !dbg !38
37+
call void @llvm.memset.p0i8.i64(i8* %0, i8 0, i64 8, i32 8, i1 false), !dbg !38
38+
call void @_ZN1AC1Ev(%class.A* %tmp) #1, !dbg !38
39+
%call = call i32 @_ZN1A6getFooEv(%class.A* %tmp), !dbg !38
40+
ret i32 %call, !dbg !38
41+
}
42+
43+
; Function Attrs: nounwind
44+
declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) #1
45+
46+
; Function Attrs: inlinehint nounwind
47+
define linkonce_odr void @_ZN1AC1Ev(%class.A* %this) unnamed_addr #2 align 2 {
48+
entry:
49+
%this.addr = alloca %class.A*, align 8
50+
store %class.A* %this, %class.A** %this.addr, align 8
51+
call void @llvm.dbg.declare(metadata !{%class.A** %this.addr}, metadata !39), !dbg !41
52+
%this1 = load %class.A** %this.addr
53+
call void @_ZN1AC2Ev(%class.A* %this1) #1, !dbg !42
54+
ret void, !dbg !42
55+
}
56+
57+
declare i32 @_ZN1A6getFooEv(%class.A*)
58+
59+
; Function Attrs: nounwind readnone
60+
declare void @llvm.dbg.declare(metadata, metadata) #4
61+
62+
; Function Attrs: inlinehint nounwind
63+
define linkonce_odr void @_ZN1AC2Ev(%class.A* %this) unnamed_addr #2 align 2 {
64+
entry:
65+
%this.addr = alloca %class.A*, align 8
66+
store %class.A* %this, %class.A** %this.addr, align 8
67+
call void @llvm.dbg.declare(metadata !{%class.A** %this.addr}, metadata !44), !dbg !45
68+
%this1 = load %class.A** %this.addr
69+
%0 = bitcast %class.A* %this1 to i8***, !dbg !46
70+
store i8** getelementptr inbounds ([4 x i8*]* @_ZTV1A, i64 0, i64 2), i8*** %0, !dbg !46
71+
ret void, !dbg !46
72+
}
73+
74+
attributes #0 = { nounwind }
75+
attributes #1 = { nounwind }
76+
attributes #2 = { inlinehint nounwind }
77+
attributes #4 = { nounwind readnone }
78+
79+
!llvm.dbg.cu = !{!0}
80+
!llvm.module.flags = !{!35, !36}
81+
!llvm.ident = !{!37}
82+
83+
!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.5 ", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata !26, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/<unknown>] [DW_LANG_C_plus_plus]
84+
!1 = metadata !{metadata !"<unknown>", metadata !""}
85+
!2 = metadata !{i32 0}
86+
!3 = metadata !{metadata !4}
87+
!4 = metadata !{i32 786434, metadata !5, null, metadata !"A", i32 2, i64 64, i64 64, i32 0, i32 0, null, metadata !6, i32 0, metadata !"_ZTS1A", null, metadata !"_ZTS1A"} ; [ DW_TAG_class_type ] [A] [line 2, size 64, align 64, offset 0] [def] [from ]
88+
!5 = metadata !{metadata !"./ab.h", metadata !""}
89+
!6 = metadata !{metadata !7, metadata !14, metadata !19}
90+
!7 = metadata !{i32 786445, metadata !5, metadata !8, metadata !"_vptr$A", i32 0, i64 64, i64 0, i64 0, i32 64, metadata !9} ; [ DW_TAG_member ] [_vptr$A] [line 0, size 64, align 0, offset 0] [artificial] [from ]
91+
!8 = metadata !{i32 786473, metadata !5} ; [ DW_TAG_file_type ] [/./ab.h]
92+
!9 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 0, i64 0, i32 0, metadata !10} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 0, offset 0] [from __vtbl_ptr_type]
93+
!10 = metadata !{i32 786447, null, null, metadata !"__vtbl_ptr_type", i32 0, i64 64, i64 0, i64 0, i32 0, metadata !11} ; [ DW_TAG_pointer_type ] [__vtbl_ptr_type] [line 0, size 64, align 0, offset 0] [from ]
94+
!11 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !12, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
95+
!12 = metadata !{metadata !13}
96+
!13 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
97+
!14 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1A", metadata !"setFoo", metadata !"setFoo", metadata !"_ZN1A6setFooEv", i32 4, metadata !15, i1 false, i1 false, i32 1, i32 0, metadata !"_ZTS1A", i32 256, i1 false, null, null, i32 0, metadata !18, i32 4} ; [ DW_TAG_subprogram ] [line 4] [setFoo]
98+
!15 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !16, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
99+
!16 = metadata !{null, metadata !17}
100+
!17 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1A]
101+
!18 = metadata !{i32 786468}
102+
!19 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1A", metadata !"getFoo", metadata !"getFoo", metadata !"_ZN1A6getFooEv", i32 5, metadata !20, i1 false, i1 false, i32 1, i32 1, metadata !"_ZTS1A", i32 256, i1 false, null, null, i32 0, metadata !25, i32 5} ; [ DW_TAG_subprogram ] [line 5] [getFoo]
103+
!20 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !21, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
104+
!21 = metadata !{metadata !22, metadata !17}
105+
!22 = metadata !{i32 786470, null, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, metadata !23} ; [ DW_TAG_const_type ] [line 0, size 0, align 0, offset 0] [from foo_t]
106+
!23 = metadata !{i32 786454, metadata !24, null, metadata !"foo_t", i32 1, i64 0, i64 0, i64 0, i32 0, metadata !13} ; [ DW_TAG_typedef ] [foo_t] [line 1, size 0, align 0, offset 0] [from int]
107+
!24 = metadata !{metadata !"a.cpp", metadata !""}
108+
!25 = metadata !{i32 786468}
109+
!26 = metadata !{metadata !27, metadata !31, metadata !34}
110+
!27 = metadata !{i32 786478, metadata !24, metadata !28, metadata !"bar", metadata !"bar", metadata !"_Z3barv", i32 2, metadata !29, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 ()* @_Z3barv, null, null, metadata !2, i32 2} ; [ DW_TAG_subprogram ] [line 2] [def] [bar]
111+
!28 = metadata !{i32 786473, metadata !24} ; [ DW_TAG_file_type ] [/a.cpp]
112+
!29 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !30, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
113+
!30 = metadata !{metadata !23}
114+
!31 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1A", metadata !"A", metadata !"A", metadata !"_ZN1AC1Ev", i32 2, metadata !15, i1 false, i1 true, i32 0, i32 0, null, i32 320, i1 false, void (%class.A*)* @_ZN1AC1Ev, null, metadata !32, metadata !2, i32 2} ; [ DW_TAG_subprogram ] [line 2] [def] [A]
115+
!32 = metadata !{i32 786478, null, metadata !"_ZTS1A", metadata !"A", metadata !"A", metadata !"", i32 0, metadata !15, i1 false, i1 false, i32 0, i32 0, null, i32 320, i1 false, null, null, i32 0, metadata !33, i32 0} ; [ DW_TAG_subprogram ] [line 0] [A]
116+
!33 = metadata !{i32 786468}
117+
!34 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1A", metadata !"A", metadata !"A", metadata !"_ZN1AC2Ev", i32 2, metadata !15, i1 false, i1 true, i32 0, i32 0, null, i32 320, i1 false, void (%class.A*)* @_ZN1AC2Ev, null, metadata !32, metadata !2, i32 2} ; [ DW_TAG_subprogram ] [line 2] [def] [A]
118+
!35 = metadata !{i32 2, metadata !"Dwarf Version", i32 2}
119+
!36 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
120+
!37 = metadata !{metadata !"clang version 3.5 "}
121+
!38 = metadata !{i32 3, i32 0, metadata !27, null}
122+
!39 = metadata !{i32 786689, metadata !31, metadata !"this", null, i32 16777216, metadata !40, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0]
123+
!40 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS1A]
124+
!41 = metadata !{i32 0, i32 0, metadata !31, null}
125+
!42 = metadata !{i32 2, i32 0, metadata !43, null}
126+
!43 = metadata !{i32 786443, metadata !5, metadata !31} ; [ DW_TAG_lexical_block ] [/./ab.h]
127+
!44 = metadata !{i32 786689, metadata !34, metadata !"this", null, i32 16777216, metadata !40, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0]
128+
!45 = metadata !{i32 0, i32 0, metadata !34, null}
129+
!46 = metadata !{i32 2, i32 0, metadata !34, null}

‎test/Linker/type-unique-simple2-b.ll

Lines changed: 88 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,88 @@
1+
; RUN: true
2+
; This file belongs to type-unique-simple2-a.ll.
3+
;
4+
; $ cat b.cpp
5+
; #include "ab.h"
6+
; void A::setFoo() {}
7+
; const
8+
; foo_t A::getFoo() { return 1; }
9+
; ModuleID = 'b.cpp'
10+
; target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
11+
; target triple = "x86_64-apple-macosx10.9.0"
12+
13+
%class.A = type { i32 (...)** }
14+
15+
@_ZTV1A = unnamed_addr constant [4 x i8*] [i8* null, i8* bitcast ({ i8*, i8* }* @_ZTI1A to i8*), i8* bitcast (void (%class.A*)* @_ZN1A6setFooEv to i8*), i8* bitcast (i32 (%class.A*)* @_ZN1A6getFooEv to i8*)]
16+
@_ZTVN10__cxxabiv117__class_type_infoE = external global i8*
17+
@_ZTS1A = constant [3 x i8] c"1A\00"
18+
@_ZTI1A = unnamed_addr constant { i8*, i8* } { i8* bitcast (i8** getelementptr inbounds (i8** @_ZTVN10__cxxabiv117__class_type_infoE, i64 2) to i8*), i8* getelementptr inbounds ([3 x i8]* @_ZTS1A, i32 0, i32 0) }
19+
20+
; Function Attrs: nounwind
21+
define void @_ZN1A6setFooEv(%class.A* %this) unnamed_addr #0 align 2 {
22+
entry:
23+
%this.addr = alloca %class.A*, align 8
24+
store %class.A* %this, %class.A** %this.addr, align 8
25+
call void @llvm.dbg.declare(metadata !{%class.A** %this.addr}, metadata !32), !dbg !34
26+
%this1 = load %class.A** %this.addr
27+
ret void, !dbg !35
28+
}
29+
30+
; Function Attrs: nounwind readnone
31+
declare void @llvm.dbg.declare(metadata, metadata) #1
32+
33+
; Function Attrs: nounwind
34+
define i32 @_ZN1A6getFooEv(%class.A* %this) unnamed_addr #0 align 2 {
35+
entry:
36+
%this.addr = alloca %class.A*, align 8
37+
store %class.A* %this, %class.A** %this.addr, align 8
38+
call void @llvm.dbg.declare(metadata !{%class.A** %this.addr}, metadata !36), !dbg !37
39+
%this1 = load %class.A** %this.addr
40+
ret i32 1, !dbg !38
41+
}
42+
43+
attributes #0 = { nounwind }
44+
attributes #1 = { nounwind readnone }
45+
46+
!llvm.dbg.cu = !{!0}
47+
!llvm.module.flags = !{!29, !30}
48+
!llvm.ident = !{!31}
49+
50+
!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.5 ", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata !25, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/<unknown>] [DW_LANG_C_plus_plus]
51+
!1 = metadata !{metadata !"<unknown>", metadata !""}
52+
!2 = metadata !{i32 0}
53+
!3 = metadata !{metadata !4}
54+
!4 = metadata !{i32 786434, metadata !5, null, metadata !"A", i32 2, i64 64, i64 64, i32 0, i32 0, null, metadata !6, i32 0, metadata !"_ZTS1A", null, metadata !"_ZTS1A"} ; [ DW_TAG_class_type ] [A] [line 2, size 64, align 64, offset 0] [def] [from ]
55+
!5 = metadata !{metadata !"./ab.h", metadata !""}
56+
!6 = metadata !{metadata !7, metadata !14, metadata !19}
57+
!7 = metadata !{i32 786445, metadata !5, metadata !8, metadata !"_vptr$A", i32 0, i64 64, i64 0, i64 0, i32 64, metadata !9} ; [ DW_TAG_member ] [_vptr$A] [line 0, size 64, align 0, offset 0] [artificial] [from ]
58+
!8 = metadata !{i32 786473, metadata !5} ; [ DW_TAG_file_type ] [/./ab.h]
59+
!9 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 0, i64 0, i32 0, metadata !10} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 0, offset 0] [from __vtbl_ptr_type]
60+
!10 = metadata !{i32 786447, null, null, metadata !"__vtbl_ptr_type", i32 0, i64 64, i64 0, i64 0, i32 0, metadata !11} ; [ DW_TAG_pointer_type ] [__vtbl_ptr_type] [line 0, size 64, align 0, offset 0] [from ]
61+
!11 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !12, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
62+
!12 = metadata !{metadata !13}
63+
!13 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
64+
!14 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1A", metadata !"setFoo", metadata !"setFoo", metadata !"_ZN1A6setFooEv", i32 4, metadata !15, i1 false, i1 false, i32 1, i32 0, metadata !"_ZTS1A", i32 256, i1 false, null, null, i32 0, metadata !18, i32 4} ; [ DW_TAG_subprogram ] [line 4] [setFoo]
65+
!15 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !16, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
66+
!16 = metadata !{null, metadata !17}
67+
!17 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1A]
68+
!18 = metadata !{i32 786468}
69+
!19 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1A", metadata !"getFoo", metadata !"getFoo", metadata !"_ZN1A6getFooEv", i32 5, metadata !20, i1 false, i1 false, i32 1, i32 1, metadata !"_ZTS1A", i32 256, i1 false, null, null, i32 0, metadata !24, i32 5} ; [ DW_TAG_subprogram ] [line 5] [getFoo]
70+
!20 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !21, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
71+
!21 = metadata !{metadata !22, metadata !17}
72+
!22 = metadata !{i32 786470, null, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, metadata !23} ; [ DW_TAG_const_type ] [line 0, size 0, align 0, offset 0] [from foo_t]
73+
!23 = metadata !{i32 786454, metadata !5, null, metadata !"foo_t", i32 1, i64 0, i64 0, i64 0, i32 0, metadata !13} ; [ DW_TAG_typedef ] [foo_t] [line 1, size 0, align 0, offset 0] [from int]
74+
!24 = metadata !{i32 786468}
75+
!25 = metadata !{metadata !26, metadata !28}
76+
!26 = metadata !{i32 786478, metadata !27, metadata !"_ZTS1A", metadata !"setFoo", metadata !"setFoo", metadata !"_ZN1A6setFooEv", i32 2, metadata !15, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (%class.A*)* @_ZN1A6setFooEv, null, metadata !14, metadata !2, i32 2} ; [ DW_TAG_subprogram ] [line 2] [def] [setFoo]
77+
!27 = metadata !{metadata !"b.cpp", metadata !""}
78+
!28 = metadata !{i32 786478, metadata !27, metadata !"_ZTS1A", metadata !"getFoo", metadata !"getFoo", metadata !"_ZN1A6getFooEv", i32 4, metadata !20, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 (%class.A*)* @_ZN1A6getFooEv, null, metadata !19, metadata !2, i32 4} ; [ DW_TAG_subprogram ] [line 4] [def] [getFoo]
79+
!29 = metadata !{i32 2, metadata !"Dwarf Version", i32 2}
80+
!30 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
81+
!31 = metadata !{metadata !"clang version 3.5 "}
82+
!32 = metadata !{i32 786689, metadata !26, metadata !"this", null, i32 16777216, metadata !33, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0]
83+
!33 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS1A]
84+
!34 = metadata !{i32 0, i32 0, metadata !26, null}
85+
!35 = metadata !{i32 2, i32 0, metadata !26, null}
86+
!36 = metadata !{i32 786689, metadata !28, metadata !"this", null, i32 16777216, metadata !33, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0]
87+
!37 = metadata !{i32 0, i32 0, metadata !28, null}
88+
!38 = metadata !{i32 4, i32 0, metadata !28, null}

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