1; REQUIRES: object-emission
2;
3; RUN: llvm-link %s %p/type-unique-type-array-b.ll -S -o - | %llc_dwarf -filetype=obj -O0 | llvm-dwarfdump -debug-dump=info - | FileCheck %s
4;
5; rdar://problem/17628609
6;
7; cat -n a.cpp
8;     1	struct SA {
9;     2	  int a;
10;     3	};
11;     4
12;     5	class A {
13;     6	public:
14;     7	  void testA(SA a) {
15;     8	  }
16;     9	};
17;    10
18;    11	void topA(A *a, SA sa) {
19;    12	  a->testA(sa);
20;    13	}
21;
22; CHECK: DW_TAG_compile_unit
23; CHECK: DW_TAG_class_type
24; CHECK-NEXT:   DW_AT_name {{.*}} "A"
25; CHECK: DW_TAG_subprogram
26; CHECK: DW_AT_MIPS_linkage_name {{.*}} "_ZN1A5testAE2SA"
27; CHECK: DW_TAG_formal_parameter
28; CHECK: DW_TAG_formal_parameter
29; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x{{.*}} => {0x[[STRUCT:.*]]})
30; CHECK: 0x[[STRUCT]]: DW_TAG_structure_type
31; CHECK-NEXT:   DW_AT_name {{.*}} "SA"
32
33; CHECK: DW_TAG_compile_unit
34; CHECK: DW_TAG_class_type
35; CHECK-NEXT:   DW_AT_name {{.*}} "B"
36; CHECK: DW_TAG_subprogram
37; CHECK:   DW_AT_MIPS_linkage_name {{.*}} "_ZN1B5testBE2SA"
38; CHECK: DW_TAG_formal_parameter
39; CHECK: DW_TAG_formal_parameter
40; CHECK-NEXT: DW_AT_type [DW_FORM_ref_addr] {{.*}}[[STRUCT]]
41
42%class.A = type { i8 }
43%struct.SA = type { i32 }
44
45; Function Attrs: ssp uwtable
46define void @_Z4topAP1A2SA(%class.A* %a, i32 %sa.coerce) #0 {
47entry:
48  %sa = alloca %struct.SA, align 4
49  %a.addr = alloca %class.A*, align 8
50  %agg.tmp = alloca %struct.SA, align 4
51  %coerce.dive = getelementptr %struct.SA, %struct.SA* %sa, i32 0, i32 0
52  store i32 %sa.coerce, i32* %coerce.dive
53  store %class.A* %a, %class.A** %a.addr, align 8
54  call void @llvm.dbg.declare(metadata %class.A** %a.addr, metadata !24, metadata !MDExpression()), !dbg !25
55  call void @llvm.dbg.declare(metadata %struct.SA* %sa, metadata !26, metadata !MDExpression()), !dbg !27
56  %0 = load %class.A*, %class.A** %a.addr, align 8, !dbg !28
57  %1 = bitcast %struct.SA* %agg.tmp to i8*, !dbg !28
58  %2 = bitcast %struct.SA* %sa to i8*, !dbg !28
59  call void @llvm.memcpy.p0i8.p0i8.i64(i8* %1, i8* %2, i64 4, i32 4, i1 false), !dbg !28
60  %coerce.dive1 = getelementptr %struct.SA, %struct.SA* %agg.tmp, i32 0, i32 0, !dbg !28
61  %3 = load i32, i32* %coerce.dive1, !dbg !28
62  call void @_ZN1A5testAE2SA(%class.A* %0, i32 %3), !dbg !28
63  ret void, !dbg !29
64}
65
66; Function Attrs: nounwind readnone
67declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
68
69; Function Attrs: nounwind ssp uwtable
70define linkonce_odr void @_ZN1A5testAE2SA(%class.A* %this, i32 %a.coerce) #2 align 2 {
71entry:
72  %a = alloca %struct.SA, align 4
73  %this.addr = alloca %class.A*, align 8
74  %coerce.dive = getelementptr %struct.SA, %struct.SA* %a, i32 0, i32 0
75  store i32 %a.coerce, i32* %coerce.dive
76  store %class.A* %this, %class.A** %this.addr, align 8
77  call void @llvm.dbg.declare(metadata %class.A** %this.addr, metadata !30, metadata !MDExpression()), !dbg !31
78  call void @llvm.dbg.declare(metadata %struct.SA* %a, metadata !32, metadata !MDExpression()), !dbg !33
79  %this1 = load %class.A*, %class.A** %this.addr
80  ret void, !dbg !34
81}
82
83; Function Attrs: nounwind
84declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1) #3
85
86attributes #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" }
87attributes #1 = { nounwind readnone }
88attributes #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" }
89attributes #3 = { nounwind }
90
91!llvm.dbg.cu = !{!0}
92!llvm.module.flags = !{!21, !22}
93!llvm.ident = !{!23}
94
95!0 = !MDCompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 (trunk 214102:214113M) (llvm/trunk 214102:214115M)", isOptimized: false, emissionKind: 1, file: !1, enums: !2, retainedTypes: !3, subprograms: !14, globals: !2, imports: !2)
96!1 = !MDFile(filename: "a.cpp", directory: "/Users/manmanren/test-Nov/type_unique/rdar_di_array")
97!2 = !{}
98!3 = !{!4, !10}
99!4 = !MDCompositeType(tag: DW_TAG_class_type, name: "A", line: 5, size: 8, align: 8, file: !1, elements: !5, identifier: "_ZTS1A")
100!5 = !{!6}
101!6 = !MDSubprogram(name: "testA", linkageName: "_ZN1A5testAE2SA", line: 7, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 7, file: !1, scope: !"_ZTS1A", type: !7)
102!7 = !MDSubroutineType(types: !8)
103!8 = !{null, !9, !"_ZTS2SA"}
104!9 = !MDDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !"_ZTS1A")
105!10 = !MDCompositeType(tag: DW_TAG_structure_type, name: "SA", line: 1, size: 32, align: 32, file: !1, elements: !11, identifier: "_ZTS2SA")
106!11 = !{!12}
107!12 = !MDDerivedType(tag: DW_TAG_member, name: "a", line: 2, size: 32, align: 32, file: !1, scope: !"_ZTS2SA", baseType: !13)
108!13 = !MDBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
109!14 = !{!15, !20}
110!15 = !MDSubprogram(name: "topA", linkageName: "_Z4topAP1A2SA", line: 11, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 11, file: !1, scope: !16, type: !17, function: void (%class.A*, i32)* @_Z4topAP1A2SA, variables: !2)
111!16 = !MDFile(filename: "a.cpp", directory: "/Users/manmanren/test-Nov/type_unique/rdar_di_array")
112!17 = !MDSubroutineType(types: !18)
113!18 = !{null, !19, !"_ZTS2SA"}
114!19 = !MDDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !"_ZTS1A")
115!20 = !MDSubprogram(name: "testA", linkageName: "_ZN1A5testAE2SA", line: 7, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 7, file: !1, scope: !"_ZTS1A", type: !7, function: void (%class.A*, i32)* @_ZN1A5testAE2SA, declaration: !6, variables: !2)
116!21 = !{i32 2, !"Dwarf Version", i32 2}
117!22 = !{i32 2, !"Debug Info Version", i32 3}
118!23 = !{!"clang version 3.5.0 (trunk 214102:214113M) (llvm/trunk 214102:214115M)"}
119!24 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "a", line: 11, arg: 1, scope: !15, file: !16, type: !19)
120!25 = !MDLocation(line: 11, column: 14, scope: !15)
121!26 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "sa", line: 11, arg: 2, scope: !15, file: !16, type: !"_ZTS2SA")
122!27 = !MDLocation(line: 11, column: 20, scope: !15)
123!28 = !MDLocation(line: 12, column: 3, scope: !15)
124!29 = !MDLocation(line: 13, column: 1, scope: !15)
125!30 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !20, type: !19)
126!31 = !MDLocation(line: 0, scope: !20)
127!32 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "a", line: 7, arg: 2, scope: !20, file: !16, type: !"_ZTS2SA")
128!33 = !MDLocation(line: 7, column: 17, scope: !20)
129!34 = !MDLocation(line: 8, column: 3, scope: !20)
130