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141 lines
7.1 KiB
LLVM
141 lines
7.1 KiB
LLVM
; RUN: llc < %s | FileCheck %s --check-prefix=ASM
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; RUN: llc < %s -filetype=obj | llvm-readobj - --codeview | FileCheck %s --check-prefix=OBJ
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; // C++ source to regenerate:
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; namespace Test1 {
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; const float TestConst1 = 3.14;
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; }
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; struct S {
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; static const int TestConst2 = -10;
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; // Unused static consts should still be emitted.
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; static const int TestConst3 = 3;
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; static constexpr int TestConst 4 = 4;
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; enum { SEnum = 42 };
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; };
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; enum TestEnum : int {
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; ENUM_A = 2147000000,
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; ENUM_B = -2147000000,
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; };
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; void useConst(int);
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; void foo() {
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; useConst(Test1::TestConst1);
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; useConst(S::TestConst2);
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; useConst(ENUM_B);
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; useConst(S::SEnum);
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; }
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;
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; $ clang a.cpp -S -emit-llvm -g -gcodeview
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; ASM-LABEL: .long 241 # Symbol subsection for globals
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; ASM: .short 4359 # Record kind: S_CONSTANT
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; ASM-NEXT: .long 4099 # Type
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; ASM-NEXT: .byte 0x04, 0x80, 0xc3, 0xf5 # Value
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; ASM-NEXT: .byte 0x48, 0x40
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; ASM-NEXT: .asciz "Test1::TestConst1" # Name
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; ASM-NEXT: .p2align 2
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; ASM: .short 4359 # Record kind: S_CONSTANT
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; ASM-NEXT: .long 4101 # Type
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; ASM-NEXT: .byte 0x03, 0x80, 0x40, 0x61 # Value
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; ASM-NEXT: .byte 0x07, 0x80
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; ASM-NEXT: .asciz "ENUM_B" # Name
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; ASM-NEXT: .p2align 2
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; ASM-NOT: .asciz "S::SEnum" # Name
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; ASM: .short 4359 # Record kind: S_CONSTANT
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; ASM-NEXT: .long 4105 # Type
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; ASM-NEXT: .byte 0x00, 0x80, 0xf6 # Value
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; ASM-NEXT: .asciz "S::TestConst2" # Name
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; ASM-NEXT: .p2align 2
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; OBJ: CodeViewDebugInfo [
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; OBJ: Section: .debug$S
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; OBJ: Magic: 0x4
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; OBJ: Subsection [
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; OBJ: SubSectionType: Symbols (0xF1)
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; OBJ: ConstantSym {
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; OBJ-NEXT: Kind: S_CONSTANT (0x1107)
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; OBJ-NEXT: Type: const float (0x1003)
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; OBJ-NEXT: Value: 1078523331
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; OBJ-NEXT: Name: Test1::TestConst1
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; OBJ-NEXT: }
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; OBJ-NEXT: ConstantSym {
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; OBJ-NEXT: Kind: S_CONSTANT (0x1107)
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; OBJ-NEXT: Type: TestEnum (0x1005)
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; OBJ-NEXT: Value: -214700000
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; OBJ-NEXT: Name: ENUM_B
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; OBJ-NEXT: }
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; OBJ-NOT: Name: S::SEnum
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; OBJ-NEXT: ConstantSym {
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; OBJ-NEXT: Kind: S_CONSTANT (0x1107)
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; OBJ-NEXT: Type: const int (0x1009)
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; OBJ-NEXT: Value: -10
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; OBJ-NEXT: Name: S::TestConst2
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; OBJ-NEXT: }
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; ModuleID = 'a.cpp'
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source_filename = "a.cpp"
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target datalayout = "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-pc-windows-msvc19.25.28614"
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; Function Attrs: noinline optnone uwtable
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define dso_local void @"?foo@@YAXXZ"() #0 !dbg !31 {
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entry:
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call void @"?useConst@@YAXH@Z"(i32 3), !dbg !35
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call void @"?useConst@@YAXH@Z"(i32 -10), !dbg !36
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call void @"?useConst@@YAXH@Z"(i32 -2147000000), !dbg !37
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call void @"?useConst@@YAXH@Z"(i32 42), !dbg !38
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ret void, !dbg !39
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}
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declare dso_local void @"?useConst@@YAXH@Z"(i32) #1
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attributes #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" }
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attributes #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" }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!26, !27, !28, !29}
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!llvm.ident = !{!30}
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!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)
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!1 = !DIFile(filename: "a.cpp", directory: "F:\\llvm-project\\__test", checksumkind: CSK_MD5, checksum: "a1dbf3aabea9e8f9d1be48f60287942f")
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!2 = !{!3, !13}
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!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@@")
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!4 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "S", file: !1, line: 4, size: 8, flags: DIFlagTypePassByValue, elements: !5, identifier: ".?AUS@@")
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!5 = !{!6, !9, !10, !3}
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!6 = !DIDerivedType(tag: DW_TAG_member, name: "TestConst2", scope: !4, file: !1, line: 5, baseType: !7, flags: DIFlagStaticMember, extraData: i32 -10)
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!7 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !8)
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!8 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!9 = !DIDerivedType(tag: DW_TAG_member, name: "TestConst3", scope: !4, file: !1, line: 6, baseType: !7, flags: DIFlagStaticMember, extraData: i32 3)
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!10 = !DIDerivedType(tag: DW_TAG_member, name: "TestConst4", scope: !4, file: !1, line: 7, baseType: !7, flags: DIFlagStaticMember, extraData: i32 4)
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!11 = !{!12}
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!12 = !DIEnumerator(name: "SEnum", value: 42)
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!13 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "TestEnum", file: !1, line: 10, baseType: !8, size: 32, elements: !14, identifier: ".?AW4TestEnum@@")
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!14 = !{!15, !16}
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!15 = !DIEnumerator(name: "ENUM_A", value: 2147000000)
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!16 = !DIEnumerator(name: "ENUM_B", value: -2147000000)
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!17 = !{!4}
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!18 = !{!19, !24}
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!19 = !DIGlobalVariableExpression(var: !20, expr: !DIExpression(DW_OP_constu, 1078523331, DW_OP_stack_value))
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!20 = distinct !DIGlobalVariable(name: "TestConst1", scope: !21, file: !1, line: 2, type: !22, isLocal: true, isDefinition: true)
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!21 = !DINamespace(name: "Test1", scope: null)
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!22 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !23)
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!23 = !DIBasicType(name: "float", size: 32, encoding: DW_ATE_float)
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!24 = !DIGlobalVariableExpression(var: !25, expr: !DIExpression(DW_OP_constu, 18446744071562551616, DW_OP_stack_value))
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!25 = distinct !DIGlobalVariable(name: "ENUM_B", scope: !0, file: !1, line: 12, type: !13, isLocal: true, isDefinition: true)
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!26 = !{i32 2, !"CodeView", i32 1}
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!27 = !{i32 2, !"Debug Info Version", i32 3}
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!28 = !{i32 1, !"wchar_size", i32 2}
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!29 = !{i32 7, !"PIC Level", i32 2}
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!30 = !{!"clang version 12.0.0 (https://github.com/llvm/llvm-project.git 34cd06a9b3bddaa7a989c606bbf1327ee651711c)"}
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!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)
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!32 = !DISubroutineType(types: !33)
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!33 = !{null}
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!34 = !{}
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!35 = !DILocation(line: 16, scope: !31)
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!36 = !DILocation(line: 17, scope: !31)
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!37 = !DILocation(line: 18, scope: !31)
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!38 = !DILocation(line: 19, scope: !31)
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!39 = !DILocation(line: 20, scope: !31)
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