1; REQUIRES: object-emission
2
3; RUN: %llc_dwarf -O0 -filetype=obj < %s | llvm-dwarfdump -debug-dump=info - | FileCheck %s
4
5; IR generated from clang -O0 with:
6; struct C {
7;   ~C();
8; };
9; extern bool b;
10; void fun4() { b && (C(), 1); }
11; __attribute__((always_inline)) C::~C() { }
12
13; CHECK: DW_TAG_structure_type
14; CHECK-NOT: DW_TAG
15; CHECK:   DW_AT_name {{.*}} "C"
16; CHECK-NOT: {{DW_TAG|NULL}}
17; CHECK: [[C_DTOR_DECL:.*]]:  DW_TAG_subprogram
18; CHECK-NOT: DW_TAG
19; CHECK:     DW_AT_name {{.*}} "~C"
20
21; CHECK: [[D1_ABS:.*]]: DW_TAG_subprogram
22; CHECK-NOT: DW_TAG
23; CHECK:   DW_AT_MIPS_linkage_name {{.*}} "_ZN1CD1Ev"
24; CHECK-NOT: {{DW_TAG|NULL}}
25; CHECK: [[D1_THIS_ABS:.*]]:   DW_TAG_formal_parameter
26; CHECK-NOT: DW_TAG
27; CHECK:     DW_AT_name {{.*}} "this"
28
29; CHECK: DW_TAG_subprogram
30; CHECK-NOT: DW_TAG
31; CHECK:   DW_AT_name {{.*}} "fun4"
32; CHECK-NOT: {{DW_TAG|NULL}}
33; CHECK:   DW_TAG_lexical_block
34; CHECK-NOT: {{DW_TAG|NULL}}
35; CHECK:     DW_TAG_inlined_subroutine
36; CHECK-NOT: DW_TAG
37; CHECK:       DW_AT_abstract_origin {{.*}} {[[D1_ABS]]}
38; CHECK-NOT: {{DW_TAG|NULL}}
39; CHECK:       DW_TAG_formal_parameter
40; CHECK-NOT: DW_TAG
41; CHECK:         DW_AT_abstract_origin {{.*}} {[[D1_THIS_ABS]]}
42
43; FIXME: D2 is actually inlined into D1 but doesn't show up here, possibly due
44; to there being no work in D2 (calling another member function from the dtor
45; causes D2 to show up, calling a free function doesn't).
46
47; CHECK-NOT: DW_TAG
48; CHECK:       NULL
49; CHECK-NOT: DW_TAG
50; CHECK:     NULL
51; CHECK-NOT: DW_TAG
52; CHECK:   NULL
53
54%struct.C = type { i8 }
55
56@b = external global i8
57
58; Function Attrs: nounwind
59define void @_Z4fun4v() #0 {
60entry:
61  %this.addr.i.i = alloca %struct.C*, align 8, !dbg !21
62  %this.addr.i = alloca %struct.C*, align 8, !dbg !22
63  %agg.tmp.ensured = alloca %struct.C, align 1
64  %cleanup.cond = alloca i1
65  %0 = load i8* @b, align 1, !dbg !24
66  %tobool = trunc i8 %0 to i1, !dbg !24
67  store i1 false, i1* %cleanup.cond
68  br i1 %tobool, label %land.rhs, label %land.end, !dbg !24
69
70land.rhs:                                         ; preds = %entry
71  store i1 true, i1* %cleanup.cond, !dbg !25
72  br label %land.end
73
74land.end:                                         ; preds = %land.rhs, %entry
75  %1 = phi i1 [ false, %entry ], [ true, %land.rhs ]
76  %cleanup.is_active = load i1* %cleanup.cond, !dbg !27
77  br i1 %cleanup.is_active, label %cleanup.action, label %cleanup.done, !dbg !27
78
79cleanup.action:                                   ; preds = %land.end
80  store %struct.C* %agg.tmp.ensured, %struct.C** %this.addr.i, align 8, !dbg !22
81  call void @llvm.dbg.declare(metadata !{%struct.C** %this.addr.i}, metadata !29), !dbg !31
82  %this1.i = load %struct.C** %this.addr.i, !dbg !22
83  store %struct.C* %this1.i, %struct.C** %this.addr.i.i, align 8, !dbg !21
84  call void @llvm.dbg.declare(metadata !{%struct.C** %this.addr.i.i}, metadata !32), !dbg !33
85  %this1.i.i = load %struct.C** %this.addr.i.i, !dbg !21
86  br label %cleanup.done, !dbg !22
87
88cleanup.done:                                     ; preds = %cleanup.action, %land.end
89  ret void, !dbg !34
90}
91
92; Function Attrs: alwaysinline nounwind
93define void @_ZN1CD1Ev(%struct.C* %this) unnamed_addr #1 align 2 {
94entry:
95  %this.addr.i = alloca %struct.C*, align 8, !dbg !37
96  %this.addr = alloca %struct.C*, align 8
97  store %struct.C* %this, %struct.C** %this.addr, align 8
98  call void @llvm.dbg.declare(metadata !{%struct.C** %this.addr}, metadata !29), !dbg !38
99  %this1 = load %struct.C** %this.addr
100  store %struct.C* %this1, %struct.C** %this.addr.i, align 8, !dbg !37
101  call void @llvm.dbg.declare(metadata !{%struct.C** %this.addr.i}, metadata !32), !dbg !39
102  %this1.i = load %struct.C** %this.addr.i, !dbg !37
103  ret void, !dbg !37
104}
105
106; Function Attrs: alwaysinline nounwind
107define void @_ZN1CD2Ev(%struct.C* %this) unnamed_addr #1 align 2 {
108entry:
109  %this.addr = alloca %struct.C*, align 8
110  store %struct.C* %this, %struct.C** %this.addr, align 8
111  call void @llvm.dbg.declare(metadata !{%struct.C** %this.addr}, metadata !32), !dbg !40
112  %this1 = load %struct.C** %this.addr
113  ret void, !dbg !41
114}
115
116; Function Attrs: nounwind readnone
117declare void @llvm.dbg.declare(metadata, metadata) #2
118
119attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
120attributes #1 = { alwaysinline nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
121attributes #2 = { nounwind readnone }
122
123!llvm.dbg.cu = !{!0}
124!llvm.module.flags = !{!18, !19}
125!llvm.ident = !{!20}
126
127!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.5.0 ", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata !11, metadata !2, metadata !2, metadata !"", i32 1} ; [ DW_TAG_compile_unit ] [/tmp/dbginfo/<stdin>] [DW_LANG_C_plus_plus]
128!1 = metadata !{metadata !"<stdin>", metadata !"/tmp/dbginfo"}
129!2 = metadata !{}
130!3 = metadata !{metadata !4}
131!4 = metadata !{i32 786451, metadata !5, null, metadata !"C", i32 1, i64 8, i64 8, i32 0, i32 0, null, metadata !6, i32 0, null, null, metadata !"_ZTS1C"} ; [ DW_TAG_structure_type ] [C] [line 1, size 8, align 8, offset 0] [def] [from ]
132!5 = metadata !{metadata !"PR20038.cpp", metadata !"/tmp/dbginfo"}
133!6 = metadata !{metadata !7}
134!7 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1C", metadata !"~C", metadata !"~C", metadata !"", i32 2, metadata !8, i1 false, i1 false, i32 0, i32 0, null, i32 256, i1 false, null, null, i32 0, null, i32 2} ; [ DW_TAG_subprogram ] [line 2] [~C]
135!8 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !9, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
136!9 = metadata !{null, metadata !10}
137!10 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !"_ZTS1C"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1C]
138!11 = metadata !{metadata !12, metadata !16, metadata !17}
139!12 = metadata !{i32 786478, metadata !5, metadata !13, metadata !"fun4", metadata !"fun4", metadata !"_Z4fun4v", i32 5, metadata !14, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void ()* @_Z4fun4v, null, null, metadata !2, i32 5} ; [ DW_TAG_subprogram ] [line 5] [def] [fun4]
140!13 = metadata !{i32 786473, metadata !5}         ; [ DW_TAG_file_type ] [/tmp/dbginfo/PR20038.cpp]
141!14 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !15, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
142!15 = metadata !{null}
143!16 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1C", metadata !"~C", metadata !"~C", metadata !"_ZN1CD2Ev", i32 6, metadata !8, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (%struct.C*)* @_ZN1CD2Ev, null, metadata !7, metadata !2, i32 6} ; [ DW_TAG_subprogram ] [line 6] [def] [~C]
144!17 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1C", metadata !"~C", metadata !"~C", metadata !"_ZN1CD1Ev", i32 6, metadata !8, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (%struct.C*)* @_ZN1CD1Ev, null, metadata !7, metadata !2, i32 6} ; [ DW_TAG_subprogram ] [line 6] [def] [~C]
145!18 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}
146!19 = metadata !{i32 2, metadata !"Debug Info Version", i32 1}
147!20 = metadata !{metadata !"clang version 3.5.0 "}
148!21 = metadata !{i32 6, i32 0, metadata !17, metadata !22}
149!22 = metadata !{i32 5, i32 0, metadata !23, null}
150!23 = metadata !{i32 786443, metadata !5, metadata !12, i32 5, i32 0, i32 3, i32 3} ; [ DW_TAG_lexical_block ] [/tmp/dbginfo/PR20038.cpp]
151!24 = metadata !{i32 5, i32 0, metadata !12, null}
152!25 = metadata !{i32 5, i32 0, metadata !26, null}
153!26 = metadata !{i32 786443, metadata !5, metadata !12, i32 5, i32 0, i32 1, i32 1} ; [ DW_TAG_lexical_block ] [/tmp/dbginfo/PR20038.cpp]
154!27 = metadata !{i32 5, i32 0, metadata !28, null}
155!28 = metadata !{i32 786443, metadata !5, metadata !12, i32 5, i32 0, i32 2, i32 2} ; [ DW_TAG_lexical_block ] [/tmp/dbginfo/PR20038.cpp]
156!29 = metadata !{i32 786689, metadata !17, metadata !"this", null, i32 16777216, metadata !30, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0]
157!30 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !"_ZTS1C"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS1C]
158!31 = metadata !{i32 0, i32 0, metadata !17, metadata !22}
159!32 = metadata !{i32 786689, metadata !16, metadata !"this", null, i32 16777216, metadata !30, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0]
160!33 = metadata !{i32 0, i32 0, metadata !16, metadata !21}
161!34 = metadata !{i32 5, i32 0, metadata !35, null}
162!35 = metadata !{i32 786443, metadata !5, metadata !36, i32 5, i32 0, i32 5, i32 5} ; [ DW_TAG_lexical_block ] [/tmp/dbginfo/PR20038.cpp]
163!36 = metadata !{i32 786443, metadata !5, metadata !12, i32 5, i32 0, i32 4, i32 4} ; [ DW_TAG_lexical_block ] [/tmp/dbginfo/PR20038.cpp]
164!37 = metadata !{i32 6, i32 0, metadata !17, null}
165!38 = metadata !{i32 0, i32 0, metadata !17, null}
166!39 = metadata !{i32 0, i32 0, metadata !16, metadata !37}
167!40 = metadata !{i32 0, i32 0, metadata !16, null}
168!41 = metadata !{i32 6, i32 0, metadata !16, null}
169