1; RUN: llc -filetype=obj < %s > %t.obj 2; RUN: obj2yaml %t.obj | FileCheck %s --check-prefix=YAML 3; RUN: llc -filetype=asm < %s | FileCheck %s --check-prefix=ASM 4 5; C++ source to regenerate: 6; $ cat t.cpp 7; struct Foo { 8; Foo(int x, int y) : X(x), Y(y) {} 9; int method() { return X + Y; } 10; int X; 11; int Y; 12; }; 13; int main(int argc, char **argv) { 14; Foo F {argc, argc}; 15; return F.method(); 16; }; 17; $ clang-cc1 -triple i686-pc-windows-msvc19.11.25547 -emit-llvm -gcodeview \ 18; -debug-info-kind=limited -std=c++14 foo.cpp 19; 20 21 22; ModuleID = 'foo.cpp' 23source_filename = "foo.cpp" 24target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32" 25target triple = "i686-pc-windows-msvc19.11.25547" 26 27%struct.Foo = type { i32, i32 } 28 29$"\01??0Foo@@QAE@HH@Z" = comdat any 30 31$"\01?method@Foo@@QAEHXZ" = comdat any 32 33; Function Attrs: noinline norecurse nounwind optnone 34define i32 @main(i32 %argc, i8** %argv) #0 !dbg !8 { 35entry: 36 %retval = alloca i32, align 4 37 %argv.addr = alloca i8**, align 4 38 %argc.addr = alloca i32, align 4 39 %F = alloca %struct.Foo, align 4 40 store i32 0, i32* %retval, align 4 41 store i8** %argv, i8*** %argv.addr, align 4 42 call void @llvm.dbg.declare(metadata i8*** %argv.addr, metadata !16, metadata !DIExpression()), !dbg !17 43 store i32 %argc, i32* %argc.addr, align 4 44 call void @llvm.dbg.declare(metadata i32* %argc.addr, metadata !18, metadata !DIExpression()), !dbg !17 45 call void @llvm.dbg.declare(metadata %struct.Foo* %F, metadata !19, metadata !DIExpression()), !dbg !31 46 %0 = load i32, i32* %argc.addr, align 4, !dbg !31 47 %1 = load i32, i32* %argc.addr, align 4, !dbg !31 48 %call = call x86_thiscallcc %struct.Foo* @"\01??0Foo@@QAE@HH@Z"(%struct.Foo* %F, i32 %0, i32 %1), !dbg !31 49 %call1 = call x86_thiscallcc i32 @"\01?method@Foo@@QAEHXZ"(%struct.Foo* %F), !dbg !32 50 ret i32 %call1, !dbg !32 51} 52 53; Function Attrs: nounwind readnone speculatable 54declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 55 56; Function Attrs: noinline nounwind optnone 57define linkonce_odr x86_thiscallcc %struct.Foo* @"\01??0Foo@@QAE@HH@Z"(%struct.Foo* returned %this, i32 %x, i32 %y) unnamed_addr #2 comdat align 2 !dbg !33 { 58entry: 59 %y.addr = alloca i32, align 4 60 %x.addr = alloca i32, align 4 61 %this.addr = alloca %struct.Foo*, align 4 62 store i32 %y, i32* %y.addr, align 4 63 call void @llvm.dbg.declare(metadata i32* %y.addr, metadata !34, metadata !DIExpression()), !dbg !35 64 store i32 %x, i32* %x.addr, align 4 65 call void @llvm.dbg.declare(metadata i32* %x.addr, metadata !36, metadata !DIExpression()), !dbg !35 66 store %struct.Foo* %this, %struct.Foo** %this.addr, align 4 67 call void @llvm.dbg.declare(metadata %struct.Foo** %this.addr, metadata !37, metadata !DIExpression()), !dbg !39 68 %this1 = load %struct.Foo*, %struct.Foo** %this.addr, align 4 69 %X = getelementptr inbounds %struct.Foo, %struct.Foo* %this1, i32 0, i32 0, !dbg !35 70 %0 = load i32, i32* %x.addr, align 4, !dbg !35 71 store i32 %0, i32* %X, align 4, !dbg !35 72 %Y = getelementptr inbounds %struct.Foo, %struct.Foo* %this1, i32 0, i32 1, !dbg !35 73 %1 = load i32, i32* %y.addr, align 4, !dbg !35 74 store i32 %1, i32* %Y, align 4, !dbg !35 75 ret %struct.Foo* %this1, !dbg !35 76} 77 78; Function Attrs: noinline nounwind optnone 79define linkonce_odr x86_thiscallcc i32 @"\01?method@Foo@@QAEHXZ"(%struct.Foo* %this) #2 comdat align 2 !dbg !40 { 80entry: 81 %this.addr = alloca %struct.Foo*, align 4 82 store %struct.Foo* %this, %struct.Foo** %this.addr, align 4 83 call void @llvm.dbg.declare(metadata %struct.Foo** %this.addr, metadata !41, metadata !DIExpression()), !dbg !42 84 %this1 = load %struct.Foo*, %struct.Foo** %this.addr, align 4 85 %X = getelementptr inbounds %struct.Foo, %struct.Foo* %this1, i32 0, i32 0, !dbg !43 86 %0 = load i32, i32* %X, align 4, !dbg !43 87 %Y = getelementptr inbounds %struct.Foo, %struct.Foo* %this1, i32 0, i32 1, !dbg !43 88 %1 = load i32, i32* %Y, align 4, !dbg !43 89 %add = add nsw i32 %0, %1, !dbg !43 90 ret i32 %add, !dbg !43 91} 92 93attributes #0 = { noinline norecurse nounwind optnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "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"="+x87" "unsafe-fp-math"="false" "use-soft-float"="false" } 94attributes #1 = { nounwind readnone speculatable } 95attributes #2 = { noinline nounwind optnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "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"="+x87" "unsafe-fp-math"="false" "use-soft-float"="false" } 96 97!llvm.dbg.cu = !{!0} 98!llvm.module.flags = !{!3, !4, !5, !6, !100} 99!llvm.ident = !{!7} 100 101 102!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 6.0.0 ", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2) 103!1 = !DIFile(filename: "<stdin>", directory: "D:\5Csrc\5Cllvmbuild\5Cclang\5CDebug\5Cx86", checksumkind: CSK_MD5, checksum: "6279449503d9075c38e615e8387667c3") 104!2 = !{} 105!3 = !{i32 1, !"NumRegisterParameters", i32 0} 106!4 = !{i32 2, !"CodeView", i32 1} 107!100 = !{i32 2, !"CodeViewGHash", i32 1} 108!5 = !{i32 2, !"Debug Info Version", i32 3} 109!6 = !{i32 1, !"wchar_size", i32 2} 110!7 = !{!"clang version 6.0.0 "} 111!8 = distinct !DISubprogram(name: "main", scope: !9, file: !9, line: 8, type: !10, isLocal: false, isDefinition: true, scopeLine: 8, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2) 112!9 = !DIFile(filename: "foo.cpp", directory: "D:\5Csrc\5Cllvmbuild\5Cclang\5CDebug\5Cx86", checksumkind: CSK_MD5, checksum: "6279449503d9075c38e615e8387667c3") 113!10 = !DISubroutineType(types: !11) 114!11 = !{!12, !12, !13} 115!12 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 116!13 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !14, size: 32) 117!14 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !15, size: 32) 118!15 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char) 119!16 = !DILocalVariable(name: "argv", arg: 2, scope: !8, file: !9, line: 8, type: !13) 120!17 = !DILocation(line: 8, scope: !8) 121!18 = !DILocalVariable(name: "argc", arg: 1, scope: !8, file: !9, line: 8, type: !12) 122!19 = !DILocalVariable(name: "F", scope: !8, file: !9, line: 9, type: !20) 123!20 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Foo", file: !9, line: 1, size: 64, elements: !21, identifier: ".?AUFoo@@") 124!21 = !{!22, !23, !24, !28} 125!22 = !DIDerivedType(tag: DW_TAG_member, name: "X", scope: !20, file: !9, line: 4, baseType: !12, size: 32) 126!23 = !DIDerivedType(tag: DW_TAG_member, name: "Y", scope: !20, file: !9, line: 5, baseType: !12, size: 32, offset: 32) 127!24 = !DISubprogram(name: "Foo", scope: !20, file: !9, line: 2, type: !25, isLocal: false, isDefinition: false, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: false) 128!25 = !DISubroutineType(cc: DW_CC_BORLAND_thiscall, types: !26) 129!26 = !{null, !27, !12, !12} 130!27 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !20, size: 32, flags: DIFlagArtificial | DIFlagObjectPointer) 131!28 = !DISubprogram(name: "method", linkageName: "\01?method@Foo@@QAEHXZ", scope: !20, file: !9, line: 3, type: !29, isLocal: false, isDefinition: false, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: false) 132!29 = !DISubroutineType(cc: DW_CC_BORLAND_thiscall, types: !30) 133!30 = !{!12, !27} 134!31 = !DILocation(line: 9, scope: !8) 135!32 = !DILocation(line: 10, scope: !8) 136!33 = distinct !DISubprogram(name: "Foo", linkageName: "\01??0Foo@@QAE@HH@Z", scope: !20, file: !9, line: 2, type: !25, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: false, unit: !0, declaration: !24, retainedNodes: !2) 137!34 = !DILocalVariable(name: "y", arg: 3, scope: !33, file: !9, line: 2, type: !12) 138!35 = !DILocation(line: 2, scope: !33) 139!36 = !DILocalVariable(name: "x", arg: 2, scope: !33, file: !9, line: 2, type: !12) 140!37 = !DILocalVariable(name: "this", arg: 1, scope: !33, type: !38, flags: DIFlagArtificial | DIFlagObjectPointer) 141!38 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !20, size: 32) 142!39 = !DILocation(line: 0, scope: !33) 143!40 = distinct !DISubprogram(name: "method", linkageName: "\01?method@Foo@@QAEHXZ", scope: !20, file: !9, line: 3, type: !29, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: false, unit: !0, declaration: !28, retainedNodes: !2) 144!41 = !DILocalVariable(name: "this", arg: 1, scope: !40, type: !38, flags: DIFlagArtificial | DIFlagObjectPointer) 145!42 = !DILocation(line: 0, scope: !40) 146!43 = !DILocation(line: 3, scope: !40) 147 148 149; YAML: --- !COFF 150; YAML: header: 151; YAML: Machine: IMAGE_FILE_MACHINE_I386 152; YAML: Characteristics: [ ] 153; YAML: sections: 154; YAML: - Name: '.debug$T' 155; YAML: Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ ] 156; YAML: Alignment: 4 157; YAML: Types: 158; YAML: - Kind: LF_POINTER 159; YAML: Pointer: 160; YAML: ReferentType: 1136 161; YAML: Attrs: 32778 162; YAML: - Kind: LF_ARGLIST 163; YAML: ArgList: 164; YAML: ArgIndices: [ 116, 4096 ] 165; YAML: - Kind: LF_PROCEDURE 166; YAML: Procedure: 167; YAML: ReturnType: 116 168; YAML: CallConv: NearC 169; YAML: Options: [ None ] 170; YAML: ParameterCount: 2 171; YAML: ArgumentList: 4097 172; YAML: - Kind: LF_FUNC_ID 173; YAML: FuncId: 174; YAML: ParentScope: 0 175; YAML: FunctionType: 4098 176; YAML: Name: main 177; YAML: - Kind: LF_STRUCTURE 178; YAML: Class: 179; YAML: MemberCount: 0 180; YAML: Options: [ None, ForwardReference, HasUniqueName ] 181; YAML: FieldList: 0 182; YAML: Name: Foo 183; YAML: UniqueName: '.?AUFoo@@' 184; YAML: DerivationList: 0 185; YAML: VTableShape: 0 186; YAML: Size: 0 187; YAML: - Kind: LF_POINTER 188; YAML: Pointer: 189; YAML: ReferentType: 4100 190; YAML: Attrs: 33802 191; YAML: - Kind: LF_ARGLIST 192; YAML: ArgList: 193; YAML: ArgIndices: [ 116, 116 ] 194; YAML: - Kind: LF_MFUNCTION 195; YAML: MemberFunction: 196; YAML: ReturnType: 3 197; YAML: ClassType: 4100 198; YAML: ThisType: 4101 199; YAML: CallConv: ThisCall 200; YAML: Options: [ None ] 201; YAML: ParameterCount: 2 202; YAML: ArgumentList: 4102 203; YAML: ThisPointerAdjustment: 0 204; YAML: - Kind: LF_ARGLIST 205; YAML: ArgList: 206; YAML: ArgIndices: [ ] 207; YAML: - Kind: LF_MFUNCTION 208; YAML: MemberFunction: 209; YAML: ReturnType: 116 210; YAML: ClassType: 4100 211; YAML: ThisType: 4101 212; YAML: CallConv: ThisCall 213; YAML: Options: [ None ] 214; YAML: ParameterCount: 0 215; YAML: ArgumentList: 4104 216; YAML: ThisPointerAdjustment: 0 217; YAML: - Kind: LF_FIELDLIST 218; YAML: FieldList: 219; YAML: - Kind: LF_MEMBER 220; YAML: DataMember: 221; YAML: Attrs: 3 222; YAML: Type: 116 223; YAML: FieldOffset: 0 224; YAML: Name: X 225; YAML: - Kind: LF_MEMBER 226; YAML: DataMember: 227; YAML: Attrs: 3 228; YAML: Type: 116 229; YAML: FieldOffset: 4 230; YAML: Name: Y 231; YAML: - Kind: LF_ONEMETHOD 232; YAML: OneMethod: 233; YAML: Type: 4103 234; YAML: Attrs: 3 235; YAML: VFTableOffset: -1 236; YAML: Name: Foo 237; YAML: - Kind: LF_ONEMETHOD 238; YAML: OneMethod: 239; YAML: Type: 4105 240; YAML: Attrs: 3 241; YAML: VFTableOffset: -1 242; YAML: Name: method 243; YAML: - Kind: LF_STRUCTURE 244; YAML: Class: 245; YAML: MemberCount: 4 246; YAML: Options: [ None, HasUniqueName ] 247; YAML: FieldList: 4106 248; YAML: Name: Foo 249; YAML: UniqueName: '.?AUFoo@@' 250; YAML: DerivationList: 0 251; YAML: VTableShape: 0 252; YAML: Size: 8 253; YAML: - Kind: LF_STRING_ID 254; YAML: StringId: 255; YAML: Id: 0 256; YAML: String: 'D:\src\llvmbuild\clang\Debug\x86\foo.cpp' 257; YAML: - Kind: LF_UDT_SRC_LINE 258; YAML: UdtSourceLine: 259; YAML: UDT: 4107 260; YAML: SourceFile: 4108 261; YAML: LineNumber: 1 262; YAML: - Kind: LF_MFUNC_ID 263; YAML: MemberFuncId: 264; YAML: ClassType: 4100 265; YAML: FunctionType: 4103 266; YAML: Name: Foo 267; YAML: - Kind: LF_MFUNC_ID 268; YAML: MemberFuncId: 269; YAML: ClassType: 4100 270; YAML: FunctionType: 4105 271; YAML: Name: method 272; YAML: - Name: '.debug$H' 273; YAML: Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ ] 274; YAML: Alignment: 4 275; YAML: GlobalHashes: 276; YAML: Version: 0 277; YAML: HashAlgorithm: 1 278; YAML: HashValues: 279; YAML: - 800309EE1ED8BB5B 280; YAML: - 5397319F1CC14E2C 281; YAML: - DF04AA3125BBC50E 282; YAML: - 95CEBA304A2C4493 283; YAML: - C324F82D24D22283 284; YAML: - BB039258F2425BCF 285; YAML: - DDE23757322DB7C3 286; YAML: - 44D3ED149C981B2A 287; YAML: - D341E2F9BE57A1C7 288; YAML: - DD327744BE6783A4 289; YAML: - 5B17837C70325869 290; YAML: - 375C55CDF44B4147 291; YAML: - 0634944401BCC520 292; YAML: - 6CC0AFB95FA2BFF2 293; YAML: - D016F92E5C009314 294; YAML: - 74698BE366891D3D 295; YAML: - 4470750F2E319329 296; YAML: - 0FB556FD1FAB66D7 297; YAML: - 5970EFB4874D0F3F 298; YAML: - EDB1D74C120CF44A 299; ... 300 301 302; ASM: .section .debug$H,"dr" 303; ASM-NEXT: .p2align 2 304; ASM-NEXT: .long 20171205 # Magic 305; ASM-NEXT: .short 0 # Section Version 306; ASM-NEXT: .short 1 # Hash Algorithm 307; ASM-NEXT: .byte 0x80, 0x03, 0x09, 0xee # 0x1000 [800309EE1ED8BB5B] 308; ASM-NEXT: .byte 0x1e, 0xd8, 0xbb, 0x5b 309; ASM-NEXT: .byte 0x53, 0x97, 0x31, 0x9f # 0x1001 [5397319F1CC14E2C] 310; ASM-NEXT: .byte 0x1c, 0xc1, 0x4e, 0x2c 311; ASM-NEXT: .byte 0xdf, 0x04, 0xaa, 0x31 # 0x1002 [DF04AA3125BBC50E] 312