1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
|
; REQUIRES: default_triple, object-emission
;
; RUN: llvm-link %s %p/type-unique-type-array-b.ll -S -o - | %llc_dwarf -filetype=obj -O0 | llvm-dwarfdump -v -debug-info - | FileCheck %s
;
; rdar://problem/17628609
;
; cat -n a.cpp
; 1 struct SA {
; 2 int a;
; 3 };
; 4
; 5 class A {
; 6 public:
; 7 void testA(SA a) {
; 8 }
; 9 };
; 10
; 11 void topA(A *a, SA sa) {
; 12 a->testA(sa);
; 13 }
;
; CHECK: DW_TAG_compile_unit
; CHECK: DW_TAG_class_type
; CHECK-NEXT: DW_AT_name {{.*}} "A"
; CHECK: DW_TAG_subprogram
; CHECK: DW_AT_name {{.*}} "testA"
; CHECK: DW_TAG_formal_parameter
; CHECK: DW_TAG_formal_parameter
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x{{.*}} => {0x[[STRUCT:.*]]}
; CHECK: 0x[[STRUCT]]: DW_TAG_structure_type
; CHECK-NEXT: DW_AT_name {{.*}} "SA"
; CHECK: DW_TAG_compile_unit
; CHECK: DW_TAG_class_type
; CHECK-NEXT: DW_AT_name {{.*}} "B"
; CHECK: DW_TAG_subprogram
; CHECK: DW_AT_name {{.*}} "testB"
; CHECK: DW_TAG_formal_parameter
; CHECK: DW_TAG_formal_parameter
; CHECK-NEXT: DW_AT_type [DW_FORM_ref_addr] {{.*}}[[STRUCT]]
%class.A = type { i8 }
%struct.SA = type { i32 }
; Function Attrs: ssp uwtable
define void @_Z4topAP1A2SA(%class.A* %a, i32 %sa.coerce) #0 !dbg !15 {
entry:
%sa = alloca %struct.SA, align 4
%a.addr = alloca %class.A*, align 8
%agg.tmp = alloca %struct.SA, align 4
%coerce.dive = getelementptr %struct.SA, %struct.SA* %sa, i32 0, i32 0
store i32 %sa.coerce, i32* %coerce.dive
store %class.A* %a, %class.A** %a.addr, align 8
call void @llvm.dbg.declare(metadata %class.A** %a.addr, metadata !24, metadata !DIExpression()), !dbg !25
call void @llvm.dbg.declare(metadata %struct.SA* %sa, metadata !26, metadata !DIExpression()), !dbg !27
%0 = load %class.A*, %class.A** %a.addr, align 8, !dbg !28
%1 = bitcast %struct.SA* %agg.tmp to i8*, !dbg !28
%2 = bitcast %struct.SA* %sa to i8*, !dbg !28
call void @llvm.memcpy.p0i8.p0i8.i64(i8* %1, i8* %2, i64 4, i32 4, i1 false), !dbg !28
%coerce.dive1 = getelementptr %struct.SA, %struct.SA* %agg.tmp, i32 0, i32 0, !dbg !28
%3 = load i32, i32* %coerce.dive1, !dbg !28
call void @_ZN1A5testAE2SA(%class.A* %0, i32 %3), !dbg !28
ret void, !dbg !29
}
; Function Attrs: nounwind readnone
declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
; Function Attrs: nounwind ssp uwtable
define linkonce_odr void @_ZN1A5testAE2SA(%class.A* %this, i32 %a.coerce) #2 align 2 !dbg !20 {
entry:
%a = alloca %struct.SA, align 4
%this.addr = alloca %class.A*, align 8
%coerce.dive = getelementptr %struct.SA, %struct.SA* %a, i32 0, i32 0
store i32 %a.coerce, i32* %coerce.dive
store %class.A* %this, %class.A** %this.addr, align 8
call void @llvm.dbg.declare(metadata %class.A** %this.addr, metadata !30, metadata !DIExpression()), !dbg !31
call void @llvm.dbg.declare(metadata %struct.SA* %a, metadata !32, metadata !DIExpression()), !dbg !33
%this1 = load %class.A*, %class.A** %this.addr
ret void, !dbg !34
}
; Function Attrs: nounwind
declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1) #3
attributes #0 = { ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { nounwind readnone }
attributes #2 = { nounwind ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #3 = { nounwind }
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!21, !22}
!llvm.ident = !{!23}
!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 (trunk 214102:214113M) (llvm/trunk 214102:214115M)", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !3, globals: !2, imports: !2)
!1 = !DIFile(filename: "a.cpp", directory: "/Users/manmanren/test-Nov/type_unique/rdar_di_array")
!2 = !{}
!3 = !{!4, !10}
!4 = !DICompositeType(tag: DW_TAG_class_type, name: "A", line: 5, file: !1, elements: !5, identifier: "_ZTS1A")
!5 = !{!6}
!6 = !DISubprogram(name: "testA", linkageName: "_ZN1A5testAE2SA", line: 7, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 7, file: !1, scope: !4, type: !7)
!7 = !DISubroutineType(types: !8)
!8 = !{null, !9, !10}
!9 = !DIDerivedType(tag: DW_TAG_pointer_type, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !4)
!10 = !DICompositeType(tag: DW_TAG_structure_type, name: "SA", line: 1, size: 32, align: 32, file: !1, elements: !11, identifier: "_ZTS2SA")
!11 = !{!12}
!12 = !DIDerivedType(tag: DW_TAG_member, name: "a", line: 2, size: 32, align: 32, file: !1, scope: !10, baseType: !13)
!13 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
!15 = distinct !DISubprogram(name: "topA", linkageName: "_Z4topAP1A2SA", line: 11, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 11, file: !1, scope: !16, type: !17, variables: !2)
!16 = !DIFile(filename: "a.cpp", directory: "/Users/manmanren/test-Nov/type_unique/rdar_di_array")
!17 = !DISubroutineType(types: !18)
!18 = !{null, !19, !10}
!19 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !4)
!20 = distinct !DISubprogram(name: "testA", linkageName: "_ZN1A5testAE2SA", line: 7, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 7, file: !1, scope: !4, type: !7, declaration: !6, variables: !2)
!21 = !{i32 2, !"Dwarf Version", i32 2}
!22 = !{i32 2, !"Debug Info Version", i32 3}
!23 = !{!"clang version 3.5.0 (trunk 214102:214113M) (llvm/trunk 214102:214115M)"}
!24 = !DILocalVariable(name: "a", line: 11, arg: 1, scope: !15, file: !16, type: !19)
!25 = !DILocation(line: 11, column: 14, scope: !15)
!26 = !DILocalVariable(name: "sa", line: 11, arg: 2, scope: !15, file: !16, type: !10)
!27 = !DILocation(line: 11, column: 20, scope: !15)
!28 = !DILocation(line: 12, column: 3, scope: !15)
!29 = !DILocation(line: 13, column: 1, scope: !15)
!30 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !20, type: !19)
!31 = !DILocation(line: 0, scope: !20)
!32 = !DILocalVariable(name: "a", line: 7, arg: 2, scope: !20, file: !16, type: !10)
!33 = !DILocation(line: 7, column: 17, scope: !20)
!34 = !DILocation(line: 8, column: 3, scope: !20)
|
