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1; RUN: llc < %s | FileCheck %s --check-prefix=ASM2; RUN: llc < %s -filetype=obj | llvm-readobj - --codeview | FileCheck %s --check-prefix=OBJ3 4; // C++ source to regenerate:5; namespace Test1 {6; const float TestConst1 = 3.14;7; }8; struct S {9; static const int TestConst2 = -10;10; // Unused static consts should still be emitted.11; static const int TestConst3 = 3;12; static constexpr int TestConst 4 = 4;13; enum { SEnum = 42 };14; };15; enum TestEnum : int {16; ENUM_A = 2147000000,17; ENUM_B = -2147000000,18; };19; void useConst(int);20; void foo() {21; useConst(Test1::TestConst1);22; useConst(S::TestConst2);23; useConst(ENUM_B);24; useConst(S::SEnum);25; }26; 27; $ clang a.cpp -S -emit-llvm -g -gcodeview28 29; ASM-LABEL: .long 241 # Symbol subsection for globals30 31; ASM: .short 4359 # Record kind: S_CONSTANT32; ASM-NEXT: .long 4099 # Type33; ASM-NEXT: .byte 0x04, 0x80, 0xc3, 0xf5 # Value34; ASM-NEXT: .byte 0x48, 0x4035; ASM-NEXT: .asciz "Test1::TestConst1" # Name36; ASM-NEXT: .p2align 237 38; ASM: .short 4359 # Record kind: S_CONSTANT39; ASM-NEXT: .long 4101 # Type40; ASM-NEXT: .byte 0x03, 0x80, 0x40, 0x61 # Value41; ASM-NEXT: .byte 0x07, 0x8042; ASM-NEXT: .asciz "ENUM_B" # Name43; ASM-NEXT: .p2align 244; ASM-NOT: .asciz "S::SEnum" # Name45 46; ASM: .short 4359 # Record kind: S_CONSTANT47; ASM-NEXT: .long 4105 # Type48; ASM-NEXT: .byte 0x00, 0x80, 0xf6 # Value49; ASM-NEXT: .asciz "S::TestConst2" # Name50; ASM-NEXT: .p2align 251 52; OBJ: CodeViewDebugInfo [53; OBJ: Section: .debug$S54; OBJ: Magic: 0x455; OBJ: Subsection [56; OBJ: SubSectionType: Symbols (0xF1)57; OBJ: ConstantSym {58; OBJ-NEXT: Kind: S_CONSTANT (0x1107)59; OBJ-NEXT: Type: const float (0x1003)60; OBJ-NEXT: Value: 107852333161; OBJ-NEXT: Name: Test1::TestConst162; OBJ-NEXT: }63; OBJ-NEXT: ConstantSym {64; OBJ-NEXT: Kind: S_CONSTANT (0x1107)65; OBJ-NEXT: Type: TestEnum (0x1005)66; OBJ-NEXT: Value: -21470000067; OBJ-NEXT: Name: ENUM_B68; OBJ-NEXT: }69; OBJ-NOT: Name: S::SEnum70; OBJ-NEXT: ConstantSym {71; OBJ-NEXT: Kind: S_CONSTANT (0x1107)72; OBJ-NEXT: Type: const int (0x1009)73; OBJ-NEXT: Value: -1074; OBJ-NEXT: Name: S::TestConst275; OBJ-NEXT: }76 77; ModuleID = 'a.cpp'78source_filename = "a.cpp"79target datalayout = "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"80target triple = "x86_64-pc-windows-msvc19.25.28614"81 82; Function Attrs: noinline optnone uwtable83define dso_local void @"?foo@@YAXXZ"() #0 !dbg !31 {84entry:85 call void @"?useConst@@YAXH@Z"(i32 3), !dbg !3586 call void @"?useConst@@YAXH@Z"(i32 -10), !dbg !3687 call void @"?useConst@@YAXH@Z"(i32 -2147000000), !dbg !3788 call void @"?useConst@@YAXH@Z"(i32 42), !dbg !3889 ret void, !dbg !3990}91 92declare dso_local void @"?useConst@@YAXH@Z"(i32) #193 94attributes #0 = { noinline optnone uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="none" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "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-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "use-soft-float"="false" }95attributes #1 = { "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="none" "less-precise-fpmad"="false" "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-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "use-soft-float"="false" }96 97!llvm.dbg.cu = !{!0}98!llvm.module.flags = !{!26, !27, !28, !29}99!llvm.ident = !{!30}100 101!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 12.0.0 (https://github.com/llvm/llvm-project.git 34cd06a9b3bddaa7a989c606bbf1327ee651711c)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !17, globals: !18, nameTableKind: None)102!1 = !DIFile(filename: "a.cpp", directory: "F:\\llvm-project\\__test", checksumkind: CSK_MD5, checksum: "a1dbf3aabea9e8f9d1be48f60287942f")103!2 = !{!3, !13}104!3 = !DICompositeType(tag: DW_TAG_enumeration_type, scope: !4, file: !1, line: 8, baseType: !8, size: 32, elements: !11, identifier: ".?AW4<unnamed-enum-SEnum>@S@@")105!4 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "S", file: !1, line: 4, size: 8, flags: DIFlagTypePassByValue, elements: !5, identifier: ".?AUS@@")106!5 = !{!6, !9, !10, !3}107!6 = !DIDerivedType(tag: DW_TAG_member, name: "TestConst2", scope: !4, file: !1, line: 5, baseType: !7, flags: DIFlagStaticMember, extraData: i32 -10)108!7 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !8)109!8 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)110!9 = !DIDerivedType(tag: DW_TAG_member, name: "TestConst3", scope: !4, file: !1, line: 6, baseType: !7, flags: DIFlagStaticMember, extraData: i32 3)111!10 = !DIDerivedType(tag: DW_TAG_member, name: "TestConst4", scope: !4, file: !1, line: 7, baseType: !7, flags: DIFlagStaticMember, extraData: i32 4)112!11 = !{!12}113!12 = !DIEnumerator(name: "SEnum", value: 42)114!13 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "TestEnum", file: !1, line: 10, baseType: !8, size: 32, elements: !14, identifier: ".?AW4TestEnum@@")115!14 = !{!15, !16}116!15 = !DIEnumerator(name: "ENUM_A", value: 2147000000)117!16 = !DIEnumerator(name: "ENUM_B", value: -2147000000)118!17 = !{!4}119!18 = !{!19, !24}120!19 = !DIGlobalVariableExpression(var: !20, expr: !DIExpression(DW_OP_constu, 1078523331, DW_OP_stack_value))121!20 = distinct !DIGlobalVariable(name: "TestConst1", scope: !21, file: !1, line: 2, type: !22, isLocal: true, isDefinition: true)122!21 = !DINamespace(name: "Test1", scope: null)123!22 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !23)124!23 = !DIBasicType(name: "float", size: 32, encoding: DW_ATE_float)125!24 = !DIGlobalVariableExpression(var: !25, expr: !DIExpression(DW_OP_constu, 18446744071562551616, DW_OP_stack_value))126!25 = distinct !DIGlobalVariable(name: "ENUM_B", scope: !0, file: !1, line: 12, type: !13, isLocal: true, isDefinition: true)127!26 = !{i32 2, !"CodeView", i32 1}128!27 = !{i32 2, !"Debug Info Version", i32 3}129!28 = !{i32 1, !"wchar_size", i32 2}130!29 = !{i32 7, !"PIC Level", i32 2}131!30 = !{!"clang version 12.0.0 (https://github.com/llvm/llvm-project.git 34cd06a9b3bddaa7a989c606bbf1327ee651711c)"}132!31 = distinct !DISubprogram(name: "foo", linkageName: "?foo@@YAXXZ", scope: !1, file: !1, line: 15, type: !32, scopeLine: 15, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !34)133!32 = !DISubroutineType(types: !33)134!33 = !{null}135!34 = !{}136!35 = !DILocation(line: 16, scope: !31)137!36 = !DILocation(line: 17, scope: !31)138!37 = !DILocation(line: 18, scope: !31)139!38 = !DILocation(line: 19, scope: !31)140!39 = !DILocation(line: 20, scope: !31)141