1 ; RUN: llc < %s -filetype=obj -o - | llvm-readobj - --codeview | FileCheck %s
2 ; RUN: llc < %s -o - | llvm-mc -filetype=obj --triple=x86_64-windows | llvm-readobj - --codeview | FileCheck %s
4 ; We used to crash on this input because UnicodeString is a forward declaration
5 ; with no size. Our array type logic wanted to assert the size of the elements
6 ; times the length matched the overall size.
8 ; C++ source to regenerate:
9 ; struct UnicodeString;
11 ; static UnicodeString format;
13 ; GetFwdDecl force_fwd_decl;
14 ; struct UnicodeString {
16 ; virtual ~UnicodeString();
18 ; struct UseCompleteType {
21 ; UnicodeString currencySpcAfterSym[1];
23 ; UseCompleteType require_complete;
25 ; CHECK: Array ({{.*}}) {
26 ; CHECK-NEXT: TypeLeafKind: LF_ARRAY (0x1503)
27 ; CHECK-NEXT: ElementType: UnicodeString
28 ; CHECK-NEXT: IndexType: unsigned __int64 (0x23)
29 ; CHECK-NEXT: SizeOf: 8
34 source_filename = "t.cpp"
35 target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
36 target triple = "x86_64-pc-windows-msvc"
38 %struct.GetFwdDecl = type { i8 }
39 %struct.UseCompleteType = type { [1 x %struct.UnicodeString] }
40 %struct.UnicodeString = type { ptr }
42 $"\01??_DUseCompleteType@@QEAA@XZ" = comdat any
44 @"\01?force_fwd_decl@@3UGetFwdDecl@@A" = global %struct.GetFwdDecl zeroinitializer, align 1, !dbg !0
45 @"\01?require_complete@@3UUseCompleteType@@A" = global %struct.UseCompleteType zeroinitializer, align 8, !dbg !6
46 @llvm.global_ctors = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 65535, ptr @_GLOBAL__sub_I_t.cpp, ptr null }]
48 ; Function Attrs: nounwind
49 define internal void @"\01??__Erequire_complete@@YAXXZ"() #0 !dbg !27 {
51 %call = call ptr @"\01??0UseCompleteType@@QEAA@XZ"(ptr @"\01?require_complete@@3UUseCompleteType@@A"), !dbg !30
52 %0 = call i32 @atexit(ptr @"\01??__Frequire_complete@@YAXXZ") #2, !dbg !30
56 declare ptr @"\01??0UseCompleteType@@QEAA@XZ"(ptr returned) unnamed_addr #1
58 ; Function Attrs: nounwind
59 define linkonce_odr void @"\01??_DUseCompleteType@@QEAA@XZ"(ptr %this) unnamed_addr #0 comdat align 2 !dbg !31 {
61 %this.addr = alloca ptr, align 8
62 store ptr %this, ptr %this.addr, align 8
63 call void @llvm.dbg.declare(metadata ptr %this.addr, metadata !32, metadata !34), !dbg !35
64 %this1 = load ptr, ptr %this.addr, align 8
65 call void @"\01??1UseCompleteType@@QEAA@XZ"(ptr %this1), !dbg !36
69 ; Function Attrs: nounwind
71 define internal void @"\01??__Frequire_complete@@YAXXZ"() #0 !dbg !37 {
73 call void @"\01??_DUseCompleteType@@QEAA@XZ"(ptr @"\01?require_complete@@3UUseCompleteType@@A"), !dbg !38
77 ; Function Attrs: nounwind
78 declare i32 @atexit(ptr) #2
80 ; Function Attrs: nounwind readnone
81 declare void @llvm.dbg.declare(metadata, metadata, metadata) #3
83 declare void @"\01??1UseCompleteType@@QEAA@XZ"(ptr) unnamed_addr #1
85 ; Function Attrs: nounwind
86 define internal void @_GLOBAL__sub_I_t.cpp() #0 !dbg !41 {
88 call void @"\01??__Erequire_complete@@YAXXZ"(), !dbg !43
92 attributes #0 = { nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-features"="+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
93 attributes #1 = { "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-features"="+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
94 attributes #2 = { nounwind }
95 attributes #3 = { nounwind readnone }
98 !llvm.module.flags = !{!24, !25}
101 !0 = distinct !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
102 !1 = !DIGlobalVariable(name: "force_fwd_decl", linkageName: "\01?force_fwd_decl@@3UGetFwdDecl@@A", scope: !2, file: !8, line: 5, type: !21, isLocal: false, isDefinition: true)
103 !2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "clang version 4.0.0 (trunk 281056) (llvm/trunk 281051)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
104 !3 = !DIFile(filename: "<stdin>", directory: "C:\5Csrc\5Cllvm\5Cbuild")
107 !6 = distinct !DIGlobalVariableExpression(var: !7, expr: !DIExpression())
108 !7 = !DIGlobalVariable(name: "require_complete", linkageName: "\01?require_complete@@3UUseCompleteType@@A", scope: !2, file: !8, line: 15, type: !9, isLocal: false, isDefinition: true)
109 !8 = !DIFile(filename: "t.cpp", directory: "C:\5Csrc\5Cllvm\5Cbuild")
110 !9 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "UseCompleteType", file: !8, line: 10, size: 64, align: 64, elements: !10, identifier: ".?AUUseCompleteType@@")
111 !10 = !{!11, !16, !20}
112 !11 = !DIDerivedType(tag: DW_TAG_member, name: "currencySpcAfterSym", scope: !9, file: !8, line: 13, baseType: !12, size: 64, align: 64)
113 !12 = !DICompositeType(tag: DW_TAG_array_type, baseType: !13, size: 64, align: 64, elements: !14)
114 !13 = !DICompositeType(tag: DW_TAG_structure_type, name: "UnicodeString", file: !8, line: 1, flags: DIFlagFwdDecl, identifier: ".?AUUnicodeString@@")
116 !15 = !DISubrange(count: 1)
117 !16 = !DISubprogram(name: "UseCompleteType", scope: !9, file: !8, line: 11, type: !17, isLocal: false, isDefinition: false, scopeLine: 11, flags: DIFlagPrototyped, isOptimized: false)
118 !17 = !DISubroutineType(types: !18)
120 !19 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !9, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
121 !20 = !DISubprogram(name: "~UseCompleteType", scope: !9, file: !8, line: 12, type: !17, isLocal: false, isDefinition: false, scopeLine: 12, flags: DIFlagPrototyped, isOptimized: false)
122 !21 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "GetFwdDecl", file: !8, line: 2, size: 8, align: 8, elements: !22, identifier: ".?AUGetFwdDecl@@")
124 !23 = !DIDerivedType(tag: DW_TAG_member, name: "format", scope: !21, file: !8, line: 3, baseType: !13, flags: DIFlagStaticMember)
125 !24 = !{i32 2, !"CodeView", i32 1}
126 !25 = !{i32 2, !"Debug Info Version", i32 3}
127 !26 = !{!"clang version 4.0.0 (trunk 281056) (llvm/trunk 281051)"}
128 !27 = distinct !DISubprogram(name: "??__Erequire_complete@@YAXXZ", scope: !8, file: !8, line: 15, type: !28, isLocal: true, isDefinition: true, scopeLine: 15, flags: DIFlagPrototyped, isOptimized: false, unit: !2, retainedNodes: !4)
129 !28 = !DISubroutineType(types: !29)
131 !30 = !DILocation(line: 15, scope: !27)
132 !31 = distinct !DISubprogram(name: "~UseCompleteType", linkageName: "\01??_DUseCompleteType@@QEAA@XZ", scope: !9, file: !8, line: 12, type: !17, isLocal: false, isDefinition: true, scopeLine: 15, flags: DIFlagPrototyped, isOptimized: false, unit: !2, declaration: !20, retainedNodes: !4)
133 !32 = !DILocalVariable(name: "this", arg: 1, scope: !31, type: !33, flags: DIFlagArtificial | DIFlagObjectPointer)
134 !33 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !9, size: 64, align: 64)
135 !34 = !DIExpression()
136 !35 = !DILocation(line: 0, scope: !31)
137 !36 = !DILocation(line: 15, scope: !31)
138 !37 = distinct !DISubprogram(name: "??__Frequire_complete@@YAXXZ", scope: !3, file: !3, line: 15, type: !28, isLocal: true, isDefinition: true, scopeLine: 15, flags: DIFlagPrototyped, isOptimized: false, unit: !2, retainedNodes: !4)
139 !38 = !DILocation(line: 15, scope: !37)
140 !39 = !DILocation(line: 15, scope: !40)
141 !40 = !DILexicalBlockFile(scope: !37, file: !8, discriminator: 0)
142 !41 = distinct !DISubprogram(linkageName: "_GLOBAL__sub_I_t.cpp", scope: !3, file: !3, type: !42, isLocal: true, isDefinition: true, flags: DIFlagArtificial, isOptimized: false, unit: !2, retainedNodes: !4)
143 !42 = !DISubroutineType(types: !4)
144 !43 = !DILocation(line: 0, scope: !41)