1; RUN: llc < %s | FileCheck %s --check-prefix=ASM 2; RUN: llc < %s -filetype=obj | llvm-readobj - --codeview | FileCheck %s --check-prefix=OBJ 3; RUN: llc < %s | llvm-mc -filetype=obj --triple=x86_64-windows | llvm-readobj - --codeview | FileCheck %s --check-prefix=OBJ 4; RUN: llc < %s -filetype=obj | obj2yaml | FileCheck %s --check-prefix=YAML 5 6; C++ source to regenerate: 7; $ cat t.cpp 8; int first; 9; template <typename T> struct A { static const int comdat = 3; }; 10; const int *middle = &A<void>::comdat; 11; int last; 12; $ clang t.cpp -S -emit-llvm -g -gcodeview -o t.ll 13 14; ASM: .section .debug$S,"dr" 15; ASM: .p2align 2 16; ASM: .long 4 # Debug section magic 17 18; ASM: .short {{.*-.*}} # Record length 19; ASM: .short 4364 # Record kind: S_LDATA32 20; ASM: .long 116 # Type 21; ASM: .secrel32 "?first@@3HA" # DataOffset 22; ASM: .secidx "?first@@3HA" # Segment 23; ASM: .asciz "first" # Name 24 25; ASM: .short {{.*-.*}} # Record length 26; ASM: .short 4371 # Record kind: S_GTHREAD32 27; ASM: .long 4097 # Type 28; ASM: .secrel32 "?middle@@3PEBHEB" # DataOffset 29; ASM: .secidx "?middle@@3PEBHEB" # Segment 30; ASM: .asciz "middle" # Name 31 32; ASM: .short {{.*-.*}} # Record length 33; ASM: .short 4365 # Record kind: S_GDATA32 34; ASM: .long 116 # Type 35; ASM: .secrel32 "?last@@3HA" # DataOffset 36; ASM: .secidx "?last@@3HA" # Segment 37; ASM: .asciz "last" # Name 38 39; ASM: .section .debug$S,"dr",associative,"?comdat@?$A@X@@2HB" 40; ASM: .p2align 2 41; ASM: .long 4 # Debug section magic 42 43; ASM: .short {{.*-.*}} # Record length 44; ASM: .short 4365 # Record kind: S_GDATA32 45; ASM: .long 4096 # Type 46; ASM: .secrel32 "?comdat@?$A@X@@2HB" # DataOffset 47; ASM: .secidx "?comdat@?$A@X@@2HB" # Segment 48; ASM: .asciz "comdat" # Name 49 50; OBJ: CodeViewTypes [ 51; OBJ: Section: .debug$T 52; OBJ: Magic: 0x4 53; OBJ: Modifier (0x1000) { 54; OBJ: TypeLeafKind: LF_MODIFIER (0x1001) 55; OBJ: ModifiedType: int (0x74) 56; OBJ: Modifiers [ (0x1) 57; OBJ: Const (0x1) 58; OBJ: ] 59; OBJ: } 60; OBJ: Pointer (0x1001) { 61; OBJ: TypeLeafKind: LF_POINTER (0x1002) 62; OBJ: PointeeType: const int (0x1000) 63; OBJ: PtrType: Near64 (0xC) 64; OBJ: PtrMode: Pointer (0x0) 65; OBJ: IsFlat: 0 66; OBJ: IsConst: 0 67; OBJ: IsVolatile: 0 68; OBJ: IsUnaligned: 0 69; OBJ: } 70; OBJ: ] 71 72; OBJ: CodeViewDebugInfo [ 73; OBJ: Section: .debug$S 74; OBJ: Magic: 0x4 75; OBJ: Subsection [ 76; OBJ: SubSectionType: Symbols (0xF1) 77; OBJ: DataSym { 78; OBJ: Kind: S_LDATA32 (0x110C) 79; OBJ: DataOffset: ?first@@3HA+0x0 80; OBJ: Type: int (0x74) 81; OBJ: DisplayName: first 82; OBJ: LinkageName: ?first@@3HA 83; OBJ: } 84; OBJ: GlobalTLS { 85; OBJ: DataOffset: ?middle@@3PEBHEB+0x0 86; OBJ: Type: const int* (0x1001) 87; OBJ: DisplayName: middle 88; OBJ: LinkageName: ?middle@@3PEBHEB 89; OBJ: } 90; OBJ: GlobalData { 91; OBJ: Kind: S_GDATA32 (0x110D) 92; OBJ: DataOffset: ?last@@3HA+0x0 93; OBJ: Type: int (0x74) 94; OBJ: DisplayName: last 95; OBJ: LinkageName: ?last@@3HA 96; OBJ: } 97; OBJ: ] 98; OBJ: ] 99; OBJ: CodeViewDebugInfo [ 100; OBJ: Section: .debug$S 101; OBJ: Magic: 0x4 102; OBJ: Subsection [ 103; OBJ: SubSectionType: Symbols (0xF1) 104; OBJ: GlobalData { 105; OBJ: DataOffset: ?comdat@?$A@X@@2HB+0x0 106; OBJ: Type: const int (0x1000) 107; OBJ: DisplayName: comdat 108; OBJ: LinkageName: ?comdat@?$A@X@@2HB 109; OBJ: } 110; OBJ: ] 111; OBJ: ] 112 113; YAML-LABEL: - Name: '.debug$S' 114; YAML: Subsections: 115; YAML: - !Symbols 116; YAML: Records: 117; YAML: - Kind: S_COMPILE3 118; YAML: Compile3Sym: 119; YAML: - !Symbols 120; YAML: Records: 121; YAML: - Kind: S_LDATA32 122; YAML: DataSym: 123; YAML-NOT: Segment 124; YAML: Type: 116 125; YAML-NOT: Segment 126; YAML: DisplayName: first 127; YAML-NOT: Segment 128; YAML: - Kind: S_GTHREAD32 129; YAML: ThreadLocalDataSym: 130; YAML: Type: 4097 131; YAML: DisplayName: middle 132; YAML: - Kind: S_GDATA32 133; YAML: DataSym: 134; YAML-NOT: Segment 135; YAML: Type: 116 136; YAML-NOT: Offset 137; YAML-NOT: Segment 138; YAML: DisplayName: last 139; YAML-NOT: Segment 140 141; The missing offsets are represented as relocations against this section. 142; YAML: Relocations: 143; YAML: - VirtualAddress: 92 144; YAML: SymbolName: '?first@@3HA' 145; YAML: Type: IMAGE_REL_AMD64_SECREL 146; YAML: - VirtualAddress: 96 147; YAML: SymbolName: '?first@@3HA' 148; YAML: Type: IMAGE_REL_AMD64_SECTION 149 150; ModuleID = 't.cpp' 151source_filename = "t.cpp" 152target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128" 153target triple = "x86_64-pc-windows-msvc19.0.23918" 154 155$"\01?comdat@?$A@X@@2HB" = comdat any 156 157@"\01?first@@3HA" = internal global i32 0, align 4, !dbg !0 158@"\01?comdat@?$A@X@@2HB" = linkonce_odr constant i32 3, comdat, align 4, !dbg !6 159@"\01?middle@@3PEBHEB" = thread_local global i32* @"\01?comdat@?$A@X@@2HB", align 8, !dbg !15 160@"\01?last@@3HA" = global i32 0, align 4, !dbg !18 161 162!llvm.dbg.cu = !{!2} 163!llvm.module.flags = !{!20, !21, !22} 164!llvm.ident = !{!23} 165 166!0 = distinct !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) 167!1 = !DIGlobalVariable(name: "first", linkageName: "\01?first@@3HA", scope: !2, file: !3, line: 1, type: !9, isLocal: true, isDefinition: true) 168!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "clang version 3.9.0 (trunk 271937)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5) 169!3 = !DIFile(filename: "t.cpp", directory: "D:\5Csrc\5Cllvm\5Cbuild") 170!4 = !{} 171!5 = !{!0, !6, !15, !18} 172!6 = distinct !DIGlobalVariableExpression(var: !7, expr: !DIExpression()) 173!7 = !DIGlobalVariable(name: "comdat", linkageName: "\01?comdat@?$A@X@@2HB", scope: !2, file: !3, line: 2, type: !8, isLocal: false, isDefinition: true, declaration: !10) 174!8 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !9) 175!9 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 176!10 = !DIDerivedType(tag: DW_TAG_member, name: "comdat", scope: !11, file: !3, line: 2, baseType: !8, flags: DIFlagStaticMember, extraData: i32 3) 177!11 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "A<void>", file: !3, line: 2, size: 8, align: 8, elements: !12, templateParams: !13) 178!12 = !{!10} 179!13 = !{!14} 180!14 = !DITemplateTypeParameter(name: "T", type: null) 181!15 = distinct !DIGlobalVariableExpression(var: !16, expr: !DIExpression()) 182!16 = !DIGlobalVariable(name: "middle", linkageName: "\01?middle@@3PEBHEB", scope: !2, file: !3, line: 3, type: !17, isLocal: false, isDefinition: true) 183!17 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !8, size: 64, align: 64) 184!18 = distinct !DIGlobalVariableExpression(var: !19, expr: !DIExpression()) 185!19 = !DIGlobalVariable(name: "last", linkageName: "\01?last@@3HA", scope: !2, file: !3, line: 4, type: !9, isLocal: false, isDefinition: true) 186!20 = !{i32 2, !"CodeView", i32 1} 187!21 = !{i32 2, !"Debug Info Version", i32 3} 188!22 = !{i32 1, !"PIC Level", i32 2} 189!23 = !{!"clang version 3.9.0 (trunk 271937)"} 190 191