globals.ll
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; RUN: llc < %s | FileCheck %s --check-prefix=ASM
; RUN: llc < %s -filetype=obj | llvm-readobj - --codeview | FileCheck %s --check-prefix=OBJ
; RUN: llc < %s | llvm-mc -filetype=obj --triple=x86_64-windows | llvm-readobj - --codeview | FileCheck %s --check-prefix=OBJ
; RUN: llc < %s -filetype=obj | obj2yaml | FileCheck %s --check-prefix=YAML
; C++ source to regenerate:
; $ cat t.cpp
; int first;
; template <typename T> struct A { static const int comdat = 3; };
; const int *middle = &A<void>::comdat;
; int last;
; $ clang t.cpp -S -emit-llvm -g -gcodeview -o t.ll
; ASM: .section .debug$S,"dr"
; ASM: .p2align 2
; ASM: .long 4 # Debug section magic
; ASM: .short {{.*-.*}} # Record length
; ASM: .short 4364 # Record kind: S_LDATA32
; ASM: .long 116 # Type
; ASM: .secrel32 "?first@@3HA" # DataOffset
; ASM: .secidx "?first@@3HA" # Segment
; ASM: .asciz "first" # Name
; ASM: .short {{.*-.*}} # Record length
; ASM: .short 4371 # Record kind: S_GTHREAD32
; ASM: .long 4097 # Type
; ASM: .secrel32 "?middle@@3PEBHEB" # DataOffset
; ASM: .secidx "?middle@@3PEBHEB" # Segment
; ASM: .asciz "middle" # Name
; ASM: .short {{.*-.*}} # Record length
; ASM: .short 4365 # Record kind: S_GDATA32
; ASM: .long 116 # Type
; ASM: .secrel32 "?last@@3HA" # DataOffset
; ASM: .secidx "?last@@3HA" # Segment
; ASM: .asciz "last" # Name
; ASM: .section .debug$S,"dr",associative,"?comdat@?$A@X@@2HB"
; ASM: .p2align 2
; ASM: .long 4 # Debug section magic
; ASM: .short {{.*-.*}} # Record length
; ASM: .short 4365 # Record kind: S_GDATA32
; ASM: .long 4096 # Type
; ASM: .secrel32 "?comdat@?$A@X@@2HB" # DataOffset
; ASM: .secidx "?comdat@?$A@X@@2HB" # Segment
; ASM: .asciz "comdat" # Name
; OBJ: CodeViewTypes [
; OBJ: Section: .debug$T
; OBJ: Magic: 0x4
; OBJ: Modifier (0x1000) {
; OBJ: TypeLeafKind: LF_MODIFIER (0x1001)
; OBJ: ModifiedType: int (0x74)
; OBJ: Modifiers [ (0x1)
; OBJ: Const (0x1)
; OBJ: ]
; OBJ: }
; OBJ: Pointer (0x1001) {
; OBJ: TypeLeafKind: LF_POINTER (0x1002)
; OBJ: PointeeType: const int (0x1000)
; OBJ: PtrType: Near64 (0xC)
; OBJ: PtrMode: Pointer (0x0)
; OBJ: IsFlat: 0
; OBJ: IsConst: 0
; OBJ: IsVolatile: 0
; OBJ: IsUnaligned: 0
; OBJ: }
; OBJ: ]
; OBJ: CodeViewDebugInfo [
; OBJ: Section: .debug$S
; OBJ: Magic: 0x4
; OBJ: Subsection [
; OBJ: SubSectionType: Symbols (0xF1)
; OBJ: DataSym {
; OBJ: Kind: S_LDATA32 (0x110C)
; OBJ: DataOffset: ?first@@3HA+0x0
; OBJ: Type: int (0x74)
; OBJ: DisplayName: first
; OBJ: LinkageName: ?first@@3HA
; OBJ: }
; OBJ: GlobalTLS {
; OBJ: DataOffset: ?middle@@3PEBHEB+0x0
; OBJ: Type: const int* (0x1001)
; OBJ: DisplayName: middle
; OBJ: LinkageName: ?middle@@3PEBHEB
; OBJ: }
; OBJ: GlobalData {
; OBJ: Kind: S_GDATA32 (0x110D)
; OBJ: DataOffset: ?last@@3HA+0x0
; OBJ: Type: int (0x74)
; OBJ: DisplayName: last
; OBJ: LinkageName: ?last@@3HA
; OBJ: }
; OBJ: ]
; OBJ: ]
; OBJ: CodeViewDebugInfo [
; OBJ: Section: .debug$S
; OBJ: Magic: 0x4
; OBJ: Subsection [
; OBJ: SubSectionType: Symbols (0xF1)
; OBJ: GlobalData {
; OBJ: DataOffset: ?comdat@?$A@X@@2HB+0x0
; OBJ: Type: const int (0x1000)
; OBJ: DisplayName: comdat
; OBJ: LinkageName: ?comdat@?$A@X@@2HB
; OBJ: }
; OBJ: ]
; OBJ: ]
; YAML-LABEL: - Name: '.debug$S'
; YAML: Subsections:
; YAML: - !Symbols
; YAML: Records:
; YAML: - Kind: S_COMPILE3
; YAML: Compile3Sym:
; YAML: - !Symbols
; YAML: Records:
; YAML: - Kind: S_LDATA32
; YAML: DataSym:
; YAML-NOT: Segment
; YAML: Type: 116
; YAML-NOT: Segment
; YAML: DisplayName: first
; YAML-NOT: Segment
; YAML: - Kind: S_GTHREAD32
; YAML: ThreadLocalDataSym:
; YAML: Type: 4097
; YAML: DisplayName: middle
; YAML: - Kind: S_GDATA32
; YAML: DataSym:
; YAML-NOT: Segment
; YAML: Type: 116
; YAML-NOT: Offset
; YAML-NOT: Segment
; YAML: DisplayName: last
; YAML-NOT: Segment
; The missing offsets are represented as relocations against this section.
; YAML: Relocations:
; YAML: - VirtualAddress: 92
; YAML: SymbolName: '?first@@3HA'
; YAML: Type: IMAGE_REL_AMD64_SECREL
; YAML: - VirtualAddress: 96
; YAML: SymbolName: '?first@@3HA'
; YAML: Type: IMAGE_REL_AMD64_SECTION
; ModuleID = 't.cpp'
source_filename = "t.cpp"
target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-windows-msvc19.0.23918"
$"\01?comdat@?$A@X@@2HB" = comdat any
@"\01?first@@3HA" = internal global i32 0, align 4, !dbg !0
@"\01?comdat@?$A@X@@2HB" = linkonce_odr constant i32 3, comdat, align 4, !dbg !6
@"\01?middle@@3PEBHEB" = thread_local global i32* @"\01?comdat@?$A@X@@2HB", align 8, !dbg !15
@"\01?last@@3HA" = global i32 0, align 4, !dbg !18
!llvm.dbg.cu = !{!2}
!llvm.module.flags = !{!20, !21, !22}
!llvm.ident = !{!23}
!0 = distinct !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
!1 = !DIGlobalVariable(name: "first", linkageName: "\01?first@@3HA", scope: !2, file: !3, line: 1, type: !9, isLocal: true, isDefinition: true)
!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)
!3 = !DIFile(filename: "t.cpp", directory: "D:\5Csrc\5Cllvm\5Cbuild")
!4 = !{}
!5 = !{!0, !6, !15, !18}
!6 = distinct !DIGlobalVariableExpression(var: !7, expr: !DIExpression())
!7 = !DIGlobalVariable(name: "comdat", linkageName: "\01?comdat@?$A@X@@2HB", scope: !2, file: !3, line: 2, type: !8, isLocal: false, isDefinition: true, declaration: !10)
!8 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !9)
!9 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
!10 = !DIDerivedType(tag: DW_TAG_member, name: "comdat", scope: !11, file: !3, line: 2, baseType: !8, flags: DIFlagStaticMember, extraData: i32 3)
!11 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "A<void>", file: !3, line: 2, size: 8, align: 8, elements: !12, templateParams: !13)
!12 = !{!10}
!13 = !{!14}
!14 = !DITemplateTypeParameter(name: "T", type: null)
!15 = distinct !DIGlobalVariableExpression(var: !16, expr: !DIExpression())
!16 = !DIGlobalVariable(name: "middle", linkageName: "\01?middle@@3PEBHEB", scope: !2, file: !3, line: 3, type: !17, isLocal: false, isDefinition: true)
!17 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !8, size: 64, align: 64)
!18 = distinct !DIGlobalVariableExpression(var: !19, expr: !DIExpression())
!19 = !DIGlobalVariable(name: "last", linkageName: "\01?last@@3HA", scope: !2, file: !3, line: 4, type: !9, isLocal: false, isDefinition: true)
!20 = !{i32 2, !"CodeView", i32 1}
!21 = !{i32 2, !"Debug Info Version", i32 3}
!22 = !{i32 1, !"PIC Level", i32 2}
!23 = !{!"clang version 3.9.0 (trunk 271937)"}