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Use fully qualified name when printing S_CONSTANT records
Summary: Before it was using the fully qualified name only for static data members. Now it does for all variable names to match MSVC. Reviewers: rnk Subscribers: hiraditya, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D63012 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@363335 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Amy Huang
parent
08a3e83c75
commit
20f2420fc6
@ -3069,12 +3069,13 @@ void CodeViewDebug::emitDebugInfoForGlobal(const CVGlobalVariable &CVGV) {
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OS.EmitBinaryData(SRef);
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OS.AddComment("Name");
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// Get fully qualified name if global is a static data member.
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std::string Name = DIGV->getDisplayName();
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const DIScope *Scope = DIGV->getScope();
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// For static data members, get the scope from the declaration.
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if (const auto *MemberDecl = dyn_cast_or_null<DIDerivedType>(
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DIGV->getRawStaticDataMemberDeclaration()))
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Name = getFullyQualifiedName(MemberDecl->getScope(), Name);
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emitNullTerminatedSymbolName(OS, Name);
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Scope = MemberDecl->getScope();
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emitNullTerminatedSymbolName(OS,
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getFullyQualifiedName(Scope, DIGV->getName()));
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endSymbolRecord(SConstantEnd);
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}
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}
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@ -2,9 +2,12 @@
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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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; 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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@ -12,31 +15,33 @@
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; };
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; void useConst(int);
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; void foo() {
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; useConst(TestConst1);
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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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; $ clang t.cpp -S -emit-llvm -g -gcodeview -o t.ll
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; ASM-LABEL: .long 241 # Symbol subsection for globals
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; ASM: .short {{.*-.*}} # Record length
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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: .long 4102 # 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 "TestConst1" # Name
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; ASM-NEXT: .asciz "Test1::TestConst1" # Name
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; ASM: .short {{.*-.*}} # Record length
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; ASM: .short 4359 # Record kind: S_CONSTANT
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; ASM-NEXT: .long 4100 # Type
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; ASM-NEXT: .long 4103 # Type
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; ASM-NEXT: .byte 0x61, 0x00 # Value
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; ASM-NEXT: .asciz "S::TestConst2" # Name
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; ASM: .short {{.*-.*}} # Record length
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; ASM: .short 4359 # Record kind: S_CONSTANT
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; ASM-NEXT: .long 4102 # Type
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; ASM-NEXT: .long 4105 # Type
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; ASM-NEXT: .byte 0x0a, 0x80, 0x40, 0x61 # Value
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; ASM-NEXT: .byte 0x07, 0x80, 0xff, 0xff
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; ASM-NEXT: .byte 0xff, 0xff
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; ASM-NEXT: .asciz "ENUM_B" # Name
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; ASM-NOT: .asciz "S::SEnum" # Name
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; OBJ: CodeViewDebugInfo [
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; OBJ: Section: .debug$S
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@ -45,77 +50,110 @@
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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: Type: const float (0x1006)
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; OBJ-NEXT: Value: 1078523331
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; OBJ-NEXT: Name: TestConst1
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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: const char (0x1004)
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; OBJ-NEXT: Type: const char (0x1007)
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; OBJ-NEXT: Value: 97
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; OBJ-NEXT: Name: S::TestConst2
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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 (0x1006)
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; OBJ-NEXT: Type: TestEnum (0x1009)
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; OBJ-NEXT: Value: 18446744071562551616
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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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; ModuleID = 't.cpp'
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source_filename = "t.cpp"
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target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-w64-windows-gnu"
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target triple = "x86_64-pc-windows-msvc19.16.27030"
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; Function Attrs: noinline nounwind optnone
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define dso_local void @_Z3foov() #0 !dbg !28 {
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; Function Attrs: noinline nounwind optnone uwtable
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define dso_local void @"?useConst@@YAXH@Z"(i32) #0 !dbg !32 {
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entry:
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call void @_Z8useConsti(i32 3), !dbg !32
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call void @_Z8useConsti(i32 97), !dbg !33
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call void @_Z8useConsti(i32 -2147000000), !dbg !34
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ret void, !dbg !35
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%.addr = alloca i32, align 4
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store i32 %0, i32* %.addr, align 4
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call void @llvm.dbg.declare(metadata i32* %.addr, metadata !36, metadata !DIExpression()), !dbg !37
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ret void, !dbg !37
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}
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declare dso_local void @_Z8useConsti(i32) #1
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; Function Attrs: nounwind readnone speculatable
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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; Function Attrs: noinline norecurse nounwind optnone uwtable
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define dso_local i32 @main() #2 !dbg !38 {
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entry:
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%retval = alloca i32, align 4
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store i32 0, i32* %retval, align 4
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call void @"?useConst@@YAXH@Z"(i32 3), !dbg !41
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call void @"?useConst@@YAXH@Z"(i32 97), !dbg !42
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call void @"?useConst@@YAXH@Z"(i32 -2147000000), !dbg !43
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call void @"?useConst@@YAXH@Z"(i32 42), !dbg !44
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call void @llvm.debugtrap(), !dbg !45
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ret i32 0, !dbg !46
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}
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; Function Attrs: nounwind
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declare void @llvm.debugtrap() #3
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attributes #0 = { noinline nounwind optnone uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-frame-pointer-elim"="false" "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 = { nounwind readnone speculatable }
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attributes #2 = { noinline norecurse nounwind optnone uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-frame-pointer-elim"="false" "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 #3 = { nounwind }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!24, !25, !26}
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!llvm.ident = !{!27}
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!llvm.module.flags = !{!27, !28, !29, !30}
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!llvm.ident = !{!31}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 9.0.0 (https://github.com/llvm/llvm-project.git dee1891507401f396290b5d9cb5717d6b0755337)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !9, globals: !15, nameTableKind: None)
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!1 = !DIFile(filename: "<stdin>", directory: "C:\5Csrc\5Ctest", checksumkind: CSK_MD5, checksum: "6d700c7d582557a012214ac1f1f8721b")
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!2 = !{!3}
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!3 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "TestEnum", file: !4, line: 5, baseType: !5, size: 32, elements: !6, identifier: "_ZTS8TestEnum")
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!4 = !DIFile(filename: "t.cpp", directory: "C:\5Csrc\5Ctest", checksumkind: CSK_MD5, checksum: "6d700c7d582557a012214ac1f1f8721b")
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!5 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!6 = !{!7, !8}
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!7 = !DIEnumerator(name: "ENUM_A", value: 2147000000)
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!8 = !DIEnumerator(name: "ENUM_B", value: -2147000000)
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!9 = !{!10}
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!10 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "S", file: !4, line: 2, size: 8, flags: DIFlagTypePassByValue, elements: !11, identifier: "_ZTS1S")
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!11 = !{!12}
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!12 = !DIDerivedType(tag: DW_TAG_member, name: "TestConst2", scope: !10, file: !4, line: 3, baseType: !13, flags: DIFlagStaticMember, extraData: i8 97)
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!13 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !14)
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!14 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
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!15 = !{!16, !20, !22}
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!16 = !DIGlobalVariableExpression(var: !17, expr: !DIExpression(DW_OP_constu, 1078523331, DW_OP_stack_value))
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!17 = distinct !DIGlobalVariable(name: "TestConst1", scope: !0, file: !4, line: 1, type: !18, isLocal: true, isDefinition: true)
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!18 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !19)
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!19 = !DIBasicType(name: "float", size: 32, encoding: DW_ATE_float)
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!20 = !DIGlobalVariableExpression(var: !21, expr: !DIExpression(DW_OP_constu, 97, DW_OP_stack_value))
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!21 = distinct !DIGlobalVariable(name: "TestConst2", scope: !0, file: !4, line: 3, type: !13, isLocal: true, isDefinition: true, declaration: !12)
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!22 = !DIGlobalVariableExpression(var: !23, expr: !DIExpression(DW_OP_constu, 18446744071562551616, DW_OP_stack_value))
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!23 = distinct !DIGlobalVariable(name: "ENUM_B", scope: !0, file: !4, line: 7, type: !3, isLocal: true, isDefinition: true)
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!24 = !{i32 2, !"CodeView", i32 1}
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!25 = !{i32 2, !"Debug Info Version", i32 3}
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!26 = !{i32 1, !"wchar_size", i32 2}
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!27 = !{!"clang version 9.0.0 (https://github.com/llvm/llvm-project.git dee1891507401f396290b5d9cb5717d6b0755337)"}
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!28 = distinct !DISubprogram(name: "foo", linkageName: "_Z3foov", scope: !4, file: !4, line: 10, type: !29, scopeLine: 10, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !31)
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!29 = !DISubroutineType(types: !30)
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!30 = !{null}
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!31 = !{}
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!32 = !DILocation(line: 11, scope: !28)
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!33 = !DILocation(line: 12, scope: !28)
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!34 = !DILocation(line: 13, scope: !28)
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!35 = !DILocation(line: 14, scope: !28)
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 9.0.0 (https://github.com/llvm/llvm-project.git f60f863075c7056f26e701b0405fc5752f0db576)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !16, globals: !17, nameTableKind: None)
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!1 = !DIFile(filename: "t.cpp", directory: "C:\5Csrc\5Ctesting", checksumkind: CSK_MD5, checksum: "70da26ef1009521e2127bf71f8d532a2")
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!2 = !{!3, !12}
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!3 = !DICompositeType(tag: DW_TAG_enumeration_type, scope: !4, file: !1, line: 6, baseType: !9, size: 32, elements: !10, 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, !3}
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!6 = !DIDerivedType(tag: DW_TAG_member, name: "TestConst2", scope: !4, file: !1, line: 5, baseType: !7, flags: DIFlagStaticMember, extraData: i8 97)
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!7 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !8)
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!8 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
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!9 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!10 = !{!11}
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!11 = !DIEnumerator(name: "SEnum", value: 42)
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!12 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "TestEnum", file: !1, line: 8, baseType: !9, size: 32, elements: !13, identifier: ".?AW4TestEnum@@")
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!13 = !{!14, !15}
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!14 = !DIEnumerator(name: "ENUM_A", value: 2147000000)
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!15 = !DIEnumerator(name: "ENUM_B", value: -2147000000)
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!16 = !{!4}
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!17 = !{!18, !23, !25}
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!18 = !DIGlobalVariableExpression(var: !19, expr: !DIExpression(DW_OP_constu, 1078523331, DW_OP_stack_value))
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!19 = distinct !DIGlobalVariable(name: "TestConst1", scope: !20, file: !1, line: 2, type: !21, isLocal: true, isDefinition: true)
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!20 = !DINamespace(name: "Test1", scope: null)
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!21 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !22)
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!22 = !DIBasicType(name: "float", size: 32, encoding: DW_ATE_float)
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!23 = !DIGlobalVariableExpression(var: !24, expr: !DIExpression(DW_OP_constu, 97, DW_OP_stack_value))
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!24 = distinct !DIGlobalVariable(name: "TestConst2", scope: !0, file: !1, line: 5, type: !7, isLocal: true, isDefinition: true, declaration: !6)
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!25 = !DIGlobalVariableExpression(var: !26, expr: !DIExpression(DW_OP_constu, 18446744071562551616, DW_OP_stack_value))
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!26 = distinct !DIGlobalVariable(name: "ENUM_B", scope: !0, file: !1, line: 10, type: !12, isLocal: true, isDefinition: true)
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!27 = !{i32 2, !"CodeView", i32 1}
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!28 = !{i32 2, !"Debug Info Version", i32 3}
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!29 = !{i32 1, !"wchar_size", i32 2}
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!30 = !{i32 7, !"PIC Level", i32 2}
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!31 = !{!"clang version 9.0.0 (https://github.com/llvm/llvm-project.git f60f863075c7056f26e701b0405fc5752f0db576)"}
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!32 = distinct !DISubprogram(name: "useConst", linkageName: "?useConst@@YAXH@Z", scope: !1, file: !1, line: 12, type: !33, scopeLine: 12, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !35)
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!33 = !DISubroutineType(types: !34)
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!34 = !{null, !9}
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!35 = !{}
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!36 = !DILocalVariable(arg: 1, scope: !32, file: !1, line: 12, type: !9)
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!37 = !DILocation(line: 12, scope: !32)
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!38 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 13, type: !39, scopeLine: 13, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !35)
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!39 = !DISubroutineType(types: !40)
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!40 = !{!9}
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!41 = !DILocation(line: 14, scope: !38)
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!42 = !DILocation(line: 15, scope: !38)
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!43 = !DILocation(line: 16, scope: !38)
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!44 = !DILocation(line: 17, scope: !38)
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!45 = !DILocation(line: 18, scope: !38)
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!46 = !DILocation(line: 19, scope: !38)
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