1; RUN: llc < %s | FileCheck %s --check-prefix=ASM 2; RUN: llc < %s -filetype=obj | llvm-readobj - --codeview | FileCheck %s --check-prefix=OBJ 3 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 -gcodeview 28 29; ASM-LABEL: .long 241 # Symbol subsection for globals 30 31; ASM: .short 4359 # Record kind: S_CONSTANT 32; ASM-NEXT: .long 4099 # Type 33; ASM-NEXT: .byte 0x04, 0x80, 0xc3, 0xf5 # Value 34; ASM-NEXT: .byte 0x48, 0x40 35; ASM-NEXT: .asciz "Test1::TestConst1" # Name 36; ASM-NEXT: .p2align 2 37 38; ASM: .short 4359 # Record kind: S_CONSTANT 39; ASM-NEXT: .long 4101 # Type 40; ASM-NEXT: .byte 0x03, 0x80, 0x40, 0x61 # Value 41; ASM-NEXT: .byte 0x07, 0x80 42; ASM-NEXT: .asciz "ENUM_B" # Name 43; ASM-NEXT: .p2align 2 44; ASM-NOT: .asciz "S::SEnum" # Name 45 46; ASM: .short 4359 # Record kind: S_CONSTANT 47; ASM-NEXT: .long 4105 # Type 48; ASM-NEXT: .byte 0x00, 0x80, 0xf6 # Value 49; ASM-NEXT: .asciz "S::TestConst2" # Name 50; ASM-NEXT: .p2align 2 51 52; OBJ: CodeViewDebugInfo [ 53; OBJ: Section: .debug$S 54; OBJ: Magic: 0x4 55; 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: 1078523331 61; OBJ-NEXT: Name: Test1::TestConst1 62; OBJ-NEXT: } 63; OBJ-NEXT: ConstantSym { 64; OBJ-NEXT: Kind: S_CONSTANT (0x1107) 65; OBJ-NEXT: Type: TestEnum (0x1005) 66; OBJ-NEXT: Value: -214700000 67; OBJ-NEXT: Name: ENUM_B 68; OBJ-NEXT: } 69; OBJ-NOT: Name: S::SEnum 70; OBJ-NEXT: ConstantSym { 71; OBJ-NEXT: Kind: S_CONSTANT (0x1107) 72; OBJ-NEXT: Type: const int (0x1009) 73; OBJ-NEXT: Value: -10 74; OBJ-NEXT: Name: S::TestConst2 75; 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 uwtable 83define dso_local void @"?foo@@YAXXZ"() #0 !dbg !31 { 84entry: 85 call void @"?useConst@@YAXH@Z"(i32 3), !dbg !35 86 call void @"?useConst@@YAXH@Z"(i32 -10), !dbg !36 87 call void @"?useConst@@YAXH@Z"(i32 -2147000000), !dbg !37 88 call void @"?useConst@@YAXH@Z"(i32 42), !dbg !38 89 ret void, !dbg !39 90} 91 92declare dso_local void @"?useConst@@YAXH@Z"(i32) #1 93 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" "unsafe-fp-math"="false" "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" "unsafe-fp-math"="false" "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