diff --git a/clang/test/CodeGenCXX/vtable-debug-info-external.cpp b/clang/test/CodeGenCXX/vtable-debug-info-external.cpp new file mode 100644 index 0000000000000..c4138e720ccae --- /dev/null +++ b/clang/test/CodeGenCXX/vtable-debug-info-external.cpp @@ -0,0 +1,93 @@ +// The debug info of vtable is attached conditionally to whether +// - Member functions are inlined or not +// - Definition of destructor is visible or not + +struct CInlined { + virtual void f1() noexcept {} + virtual void f2() noexcept {} + virtual ~CInlined() noexcept; +}; +#ifndef NO_DTOR_BODY +inline CInlined::~CInlined() noexcept {} +#endif + +struct CNoInline { + virtual void g1() noexcept; + virtual void g2() noexcept; + virtual ~CNoInline() noexcept; +}; + +void CNoInline::g1() noexcept {} +void CNoInline::g2() noexcept {} +#ifndef NO_DTOR_BODY +CNoInline::~CNoInline() noexcept {} +#endif + +struct CNoFnDef { + virtual void h1() noexcept; + virtual void h2() noexcept; + virtual ~CNoFnDef() noexcept; +}; + +#ifndef NO_DTOR_BODY +CNoFnDef::~CNoFnDef() noexcept {} +#endif + +void use(void *, ...); + +int main() { + CInlined Inlined; + CNoInline NoInline; + CNoFnDef NoFnDef; + use(&Inlined, &NoInline, &NoFnDef); + + return 0; +} + +// RUN: %clang_cc1 -triple x86_64-linux -emit-llvm -debug-info-kind=limited -dwarf-version=5 -O1 %s -o - | FileCheck %s -check-prefix CHECK-HAS-DTOR +// RUN: %clang_cc1 -triple x86_64-linux -emit-llvm -debug-info-kind=limited -dwarf-version=5 -O1 -DNO_DTOR_BODY %s -o - | FileCheck %s -check-prefixes CHECK-NO-DTOR + +// CHECK-HAS-DTOR: $_ZTV8CInlined = comdat any +// CHECK-HAS-DTOR-NOT: $_ZTV9CNoInline +// CHECK-HAS-DTOR-NOT: $_ZTV8CNoFnDef + +// CHECK-HAS-DTOR-DAG: @_ZTV8CInlined = linkonce_odr {{.*}}constant {{{ \[[^]]*\] } { \[[^]]*\] \[[^]]*\] }}}, comdat, align 8, !dbg [[INLINED_VTABLE_VAR:![0-9]+]] +// CHECK-HAS-DTOR-DAG: @_ZTV9CNoInline = {{.*}}constant {{{ \[[^]]*\] } { \[[^]]*\] \[[^]]*\] }}}, align 8, !dbg [[NOINLINE_VTABLE_VAR:![0-9]+]] +// CHECK-HAS-DTOR-DAG: @_ZTV8CNoFnDef = external {{.*}}constant {{{ \[[^]]*\] }}}, align 8 + +// CHECK-HAS-DTOR: !llvm.dbg.cu + +// CHECK-HAS-DTOR-DAG: [[INLINED_VTABLE:![0-9]+]] = distinct !DIGlobalVariable(name: "_vtable$", linkageName: "_ZTV8CInlined" +// CHECK-HAS-DTOR-DAG: [[INLINED_VTABLE_VAR]] = !DIGlobalVariableExpression(var: [[INLINED_VTABLE]], expr: !DIExpression()) +// CHECK-HAS-DTOR-DAG: [[INLINED:![0-9]+]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "CInlined" +// CHECK-HAS-DTOR-DAG: !DIDerivedType(tag: DW_TAG_variable, name: "_vtable$", scope: [[INLINED]], file: {{.*}}, baseType: {{![0-9]+}}, flags: DIFlagPrivate | DIFlagArtificial | DIFlagStaticMember) + +// CHECK-HAS-DTOR-DAG: [[NOINLINE_VTABLE:![0-9]+]] = distinct !DIGlobalVariable(name: "_vtable$", linkageName: "_ZTV9CNoInline" +// CHECK-HAS-DTOR-DAG: [[NOINLINE_VTABLE_VAR]] = !DIGlobalVariableExpression(var: [[NOINLINE_VTABLE]], expr: !DIExpression()) +// CHECK-HAS-DTOR-DAG: [[NOINLINE:![0-9]+]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "CNoInline" +// CHECK-HAS-DTOR-DAG: !DIDerivedType(tag: DW_TAG_variable, name: "_vtable$", scope: [[NOINLINE]], file: {{.*}}, baseType: {{![0-9]+}}, flags: DIFlagPrivate | DIFlagArtificial | DIFlagStaticMember) + +// CHECK-HAS-DTOR-DAG: !llvm.ident + +// CHECK-HAS-DTOR-NOT: !DIGlobalVariable(name: "_vtable$", linkageName: "_ZTV8CNoFnDef" + + +// CHECK-NO-DTOR-NOT: $_ZTV8CInlined +// CHECK-NO-DTOR-NOT: $_ZTV9CNoInline +// CHECK-NO-DTOR-NOT: $_ZTV8CNoFnDef + +// CHECK-NO-DTOR-DAG: @_ZTV8CInlined = external {{.*}}constant {{.*}}, align 8{{$}} +// CHECK-NO-DTOR-DAG: @_ZTV9CNoInline = {{.*}}constant {{{ \[[^]]*\] } { \[[^]]*\] \[[^]]*\] }}}, align 8, !dbg [[NOINLINE_VTABLE_VAR:![0-9]+]] +// CHECK-NO-DTOR-DAG: @_ZTV8CNoFnDef = external {{.*}}constant {{{ \[[^]]*\] }}}, align 8, !dbg [[NOFNDEF_VTABLE_VAR:![0-9]+]] + +// CHECK-NO-DTOR: !llvm.dbg.cu + +// CHECK-NO-DTOR-DAG: [[NOINLINE_VTABLE:![0-9]+]] = distinct !DIGlobalVariable(name: "_vtable$", linkageName: "_ZTV9CNoInline" +// CHECK-NO-DTOR-DAG: [[NOINLINE_VTABLE_VAR]] = !DIGlobalVariableExpression(var: [[NOINLINE_VTABLE]], expr: !DIExpression()) +// CHECK-NO-DTOR-DAG: [[NOINLINE:![0-9]+]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "CNoInline" +// CHECK-NO-DTOR-DAG: !DIDerivedType(tag: DW_TAG_variable, name: "_vtable$", scope: [[NOINLINE]], file: {{.*}}, baseType: {{![0-9]+}}, flags: DIFlagPrivate | DIFlagArtificial | DIFlagStaticMember) + +// CHECK-NO-DTOR-DAG: !llvm.ident + +// CHECK-NO-DTOR-NOT: !DIGlobalVariable(name: "_vtable$", linkageName: "_ZTV8CInlined" +// CHECK-NO-DTOR-NOT: !DIGlobalVariable(name: "_vtable$", linkageName: "_ZTV8CNoFnDef" diff --git a/clang/test/CodeGenCXX/vtable-debug-info-inheritance-diamond.cpp b/clang/test/CodeGenCXX/vtable-debug-info-inheritance-diamond.cpp index 5ed1353eebb10..53a24a2d1b15e 100644 --- a/clang/test/CodeGenCXX/vtable-debug-info-inheritance-diamond.cpp +++ b/clang/test/CodeGenCXX/vtable-debug-info-inheritance-diamond.cpp @@ -1,5 +1,3 @@ -// REQUIRES: target={{x86_64.*-linux.*}} - // Diamond inheritance case: // For CBase, CLeft, CRight and CDerived we check: // - Generation of their vtables (including attributes). @@ -35,26 +33,29 @@ struct CDerived : NSP_1::CLeft, NSP_2::CRight { int fooDerived() { return 3; }; }; +void use(void *, ...); + int main() { NSP::CBase Base; NSP_1::CLeft Left; NSP_2::CRight Right; CDerived Derived; + use(&Base, &Left, &Right, &Derived); return 0; } -// RUN: %clang --target=x86_64-linux -Xclang -disable-O0-optnone -Xclang -disable-llvm-passes -emit-llvm -S -g %s -o - | FileCheck %s +// RUN: %clang_cc1 -triple x86_64-linux -emit-llvm -debug-info-kind=limited -dwarf-version=5 -O1 %s -o - | FileCheck %s // CHECK: $_ZTVN3NSP5CBaseE = comdat any // CHECK: $_ZTVN5NSP_15CLeftE = comdat any // CHECK: $_ZTVN5NSP_26CRightE = comdat any // CHECK: $_ZTV8CDerived = comdat any -// CHECK: @_ZTVN3NSP5CBaseE = linkonce_odr {{dso_local|hidden}} unnamed_addr constant {{.*}}, comdat, align 8, !dbg [[BASE_VTABLE_VAR:![0-9]*]] -// CHECK: @_ZTVN5NSP_15CLeftE = linkonce_odr {{dso_local|hidden}} unnamed_addr constant {{.*}}, comdat, align 8, !dbg [[LEFT_VTABLE_VAR:![0-9]*]] -// CHECK: @_ZTVN5NSP_26CRightE = linkonce_odr {{dso_local|hidden}} unnamed_addr constant {{.*}}, comdat, align 8, !dbg [[RIGHT_VTABLE_VAR:![0-9]*]] -// CHECK: @_ZTV8CDerived = linkonce_odr {{dso_local|hidden}} unnamed_addr constant {{.*}}, comdat, align 8, !dbg [[DERIVED_VTABLE_VAR:![0-9]*]] +// CHECK: @_ZTVN3NSP5CBaseE = linkonce_odr {{.*}}unnamed_addr constant {{.*}}, comdat, align 8, !dbg [[BASE_VTABLE_VAR:![0-9]*]] +// CHECK: @_ZTVN5NSP_15CLeftE = linkonce_odr {{.*}}unnamed_addr constant {{.*}}, comdat, align 8, !dbg [[LEFT_VTABLE_VAR:![0-9]*]] +// CHECK: @_ZTVN5NSP_26CRightE = linkonce_odr {{.*}}unnamed_addr constant {{.*}}, comdat, align 8, !dbg [[RIGHT_VTABLE_VAR:![0-9]*]] +// CHECK: @_ZTV8CDerived = linkonce_odr {{.*}}unnamed_addr constant {{.*}}, comdat, align 8, !dbg [[DERIVED_VTABLE_VAR:![0-9]*]] // CHECK: [[BASE_VTABLE_VAR]] = !DIGlobalVariableExpression(var: [[BASE_VTABLE:![0-9]*]], expr: !DIExpression()) // CHECK-NEXT: [[BASE_VTABLE]] = distinct !DIGlobalVariable(name: "_vtable$", linkageName: "_ZTVN3NSP5CBaseE" diff --git a/clang/test/CodeGenCXX/vtable-debug-info-inheritance-multiple.cpp b/clang/test/CodeGenCXX/vtable-debug-info-inheritance-multiple.cpp index 23973a35d0e17..69fa096324651 100644 --- a/clang/test/CodeGenCXX/vtable-debug-info-inheritance-multiple.cpp +++ b/clang/test/CodeGenCXX/vtable-debug-info-inheritance-multiple.cpp @@ -1,5 +1,3 @@ -// REQUIRES: target={{x86_64.*-linux.*}} - // Multiple inheritance case: // For CBaseOne, CBaseTwo and CDerived we check: // - Generation of their vtables (including attributes). @@ -30,23 +28,25 @@ struct CDerived : NSP_1::CBaseOne, NSP_2::CBaseTwo { int six() override { return 66; } }; +void use(void *, ...); int main() { NSP_1::CBaseOne BaseOne; NSP_2::CBaseTwo BaseTwo; CDerived Derived; + use(&BaseOne, &BaseTwo, &Derived); return 0; } -// RUN: %clang --target=x86_64-linux -Xclang -disable-O0-optnone -Xclang -disable-llvm-passes -emit-llvm -S -g %s -o - | FileCheck %s +// RUN: %clang_cc1 -triple x86_64-linux -emit-llvm -debug-info-kind=limited -dwarf-version=5 -O1 %s -o - | FileCheck %s // CHECK: $_ZTVN5NSP_18CBaseOneE = comdat any // CHECK: $_ZTVN5NSP_28CBaseTwoE = comdat any // CHECK: $_ZTV8CDerived = comdat any -// CHECK: @_ZTVN5NSP_18CBaseOneE = linkonce_odr {{dso_local|hidden}} unnamed_addr constant {{.*}}, comdat, align 8, !dbg [[BASE_ONE_VTABLE_VAR:![0-9]*]] -// CHECK: @_ZTVN5NSP_28CBaseTwoE = linkonce_odr {{dso_local|hidden}} unnamed_addr constant {{.*}}, comdat, align 8, !dbg [[BASE_TWO_VTABLE_VAR:![0-9]*]] -// CHECK: @_ZTV8CDerived = linkonce_odr {{dso_local|hidden}} unnamed_addr constant {{.*}}, comdat, align 8, !dbg [[DERIVED_VTABLE_VAR:![0-9]*]] +// CHECK: @_ZTVN5NSP_18CBaseOneE = linkonce_odr {{.*}}unnamed_addr constant {{.*}}, comdat, align 8, !dbg [[BASE_ONE_VTABLE_VAR:![0-9]*]] +// CHECK: @_ZTVN5NSP_28CBaseTwoE = linkonce_odr {{.*}}unnamed_addr constant {{.*}}, comdat, align 8, !dbg [[BASE_TWO_VTABLE_VAR:![0-9]*]] +// CHECK: @_ZTV8CDerived = linkonce_odr {{.*}}unnamed_addr constant {{.*}}, comdat, align 8, !dbg [[DERIVED_VTABLE_VAR:![0-9]*]] // CHECK: [[BASE_ONE_VTABLE_VAR]] = !DIGlobalVariableExpression(var: [[BASE_ONE_VTABLE:![0-9]*]], expr: !DIExpression()) // CHECK-NEXT: [[BASE_ONE_VTABLE]] = distinct !DIGlobalVariable(name: "_vtable$", linkageName: "_ZTVN5NSP_18CBaseOneE" diff --git a/clang/test/CodeGenCXX/vtable-debug-info-inheritance-simple-main.cpp b/clang/test/CodeGenCXX/vtable-debug-info-inheritance-simple-main.cpp index d64e711dddfa0..5d93719b60699 100644 --- a/clang/test/CodeGenCXX/vtable-debug-info-inheritance-simple-main.cpp +++ b/clang/test/CodeGenCXX/vtable-debug-info-inheritance-simple-main.cpp @@ -1,5 +1,3 @@ -// REQUIRES: target={{x86_64.*-linux.*}} - // Simple inheritance case: // For CBase and CDerived we check: // - Generation of their vtables (including attributes). diff --git a/clang/test/CodeGenCXX/vtable-debug-info-inheritance-simple.cpp b/clang/test/CodeGenCXX/vtable-debug-info-inheritance-simple.cpp index b24ece1598327..235ebe54ccb67 100644 --- a/clang/test/CodeGenCXX/vtable-debug-info-inheritance-simple.cpp +++ b/clang/test/CodeGenCXX/vtable-debug-info-inheritance-simple.cpp @@ -21,25 +21,28 @@ struct CDerived : NSP::CBase { int three() override { return 33; } }; +void use(void *, ...); + int main() { NSP::CBase Base; CDerived Derived; + use(&Base, &Derived); return 0; } -// RUN: %clang_cc1 -triple x86_64-linux -emit-llvm -mrelocation-model pic -pic-is-pie -debug-info-kind=limited -dwarf-version=5 -disable-O0-optnone -disable-llvm-passes %s -o - | FileCheck %s -// RUN: %clang_cc1 -triple x86_64-windows-gnu -emit-llvm -mrelocation-model pic -pic-is-pie -debug-info-kind=limited -dwarf-version=5 -disable-O0-optnone -disable-llvm-passes %s -o - | FileCheck %s --check-prefix=COFF +// RUN: %clang_cc1 -triple x86_64-linux -emit-llvm -debug-info-kind=limited -dwarf-version=5 -O1 %s -o - | FileCheck %s +// RUN: %clang_cc1 -triple x86_64-mingw -emit-llvm -debug-info-kind=limited -dwarf-version=5 -O1 %s -o - | FileCheck %s --check-prefix=COFF // CHECK: $_ZTVN3NSP5CBaseE = comdat any // CHECK: $_ZTV8CDerived = comdat any -// CHECK: @_ZTVN3NSP5CBaseE = linkonce_odr {{dso_local|hidden}} unnamed_addr constant {{.*}}, comdat, align 8, !dbg [[BASE_VTABLE_VAR:![0-9]*]] -// CHECK: @_ZTV8CDerived = linkonce_odr {{dso_local|hidden}} unnamed_addr constant {{.*}}, comdat, align 8, !dbg [[DERIVED_VTABLE_VAR:![0-9]*]] -// COFF: @_ZTVN3NSP5CBaseE = linkonce_odr {{dso_local|hidden}} unnamed_addr constant {{.*}}, comdat, align 8 +// CHECK: @_ZTVN3NSP5CBaseE = linkonce_odr {{.*}}unnamed_addr constant {{.*}}, comdat, align 8, !dbg [[BASE_VTABLE_VAR:![0-9]*]] +// CHECK: @_ZTV8CDerived = linkonce_odr {{.*}}unnamed_addr constant {{.*}}, comdat, align 8, !dbg [[DERIVED_VTABLE_VAR:![0-9]*]] +// COFF: @_ZTVN3NSP5CBaseE = linkonce_odr {{.*}}unnamed_addr constant {{.*}}, comdat, align 8 // COFF-NOT: !dbg // COFF-SAME: {{$}} -// COFF: @_ZTV8CDerived = linkonce_odr {{dso_local|hidden}} unnamed_addr constant {{.*}}, comdat, align 8 +// COFF: @_ZTV8CDerived = linkonce_odr {{.*}}unnamed_addr constant {{.*}}, comdat, align 8 // COFF-NOT: !dbg // COFF-SAME: {{$}} diff --git a/clang/test/CodeGenCXX/vtable-debug-info-inheritance-virtual.cpp b/clang/test/CodeGenCXX/vtable-debug-info-inheritance-virtual.cpp index b01f156b7f654..fc8c15aabd616 100644 --- a/clang/test/CodeGenCXX/vtable-debug-info-inheritance-virtual.cpp +++ b/clang/test/CodeGenCXX/vtable-debug-info-inheritance-virtual.cpp @@ -1,5 +1,3 @@ -// REQUIRES: target={{x86_64.*-linux.*}} - // Virtual inheritance case: // For CBase, CLeft, CRight and CDerived we check: // - Generation of their vtables (including attributes). @@ -35,26 +33,29 @@ struct CDerived : NSP_1::CLeft, NSP_2::CRight { int fooDerived() { return 3; }; }; +void use(void *, ...); + int main() { NSP::CBase Base; NSP_1::CLeft Left; NSP_2::CRight Right; CDerived Derived; + use(&Base, &Left, &Right, &Derived); return 0; } -// RUN: %clang --target=x86_64-linux -Xclang -disable-O0-optnone -Xclang -disable-llvm-passes -emit-llvm -S -g %s -o - | FileCheck %s +// RUN: %clang_cc1 -triple x86_64-linux -emit-llvm -debug-info-kind=limited -dwarf-version=5 -O1 %s -o - | FileCheck %s // CHECK: $_ZTVN3NSP5CBaseE = comdat any // CHECK: $_ZTVN5NSP_15CLeftE = comdat any // CHECK: $_ZTVN5NSP_26CRightE = comdat any // CHECK: $_ZTV8CDerived = comdat any -// CHECK: @_ZTVN3NSP5CBaseE = linkonce_odr {{dso_local|hidden}} unnamed_addr constant {{.*}}, comdat, align 8, !dbg [[BASE_VTABLE_VAR:![0-9]*]] -// CHECK: @_ZTVN5NSP_15CLeftE = linkonce_odr {{dso_local|hidden}} unnamed_addr constant {{.*}}, comdat, align 8, !dbg [[LEFT_VTABLE_VAR:![0-9]*]] -// CHECK: @_ZTVN5NSP_26CRightE = linkonce_odr {{dso_local|hidden}} unnamed_addr constant {{.*}}, comdat, align 8, !dbg [[RIGHT_VTABLE_VAR:![0-9]*]] -// CHECK: @_ZTV8CDerived = linkonce_odr {{dso_local|hidden}} unnamed_addr constant {{.*}}, comdat, align 8, !dbg [[DERIVED_VTABLE_VAR:![0-9]*]] +// CHECK: @_ZTVN3NSP5CBaseE = linkonce_odr {{.*}}unnamed_addr constant {{.*}}, comdat, align 8, !dbg [[BASE_VTABLE_VAR:![0-9]*]] +// CHECK: @_ZTVN5NSP_15CLeftE = linkonce_odr {{.*}}unnamed_addr constant {{.*}}, comdat, align 8, !dbg [[LEFT_VTABLE_VAR:![0-9]*]] +// CHECK: @_ZTVN5NSP_26CRightE = linkonce_odr {{.*}}unnamed_addr constant {{.*}}, comdat, align 8, !dbg [[RIGHT_VTABLE_VAR:![0-9]*]] +// CHECK: @_ZTV8CDerived = linkonce_odr {{.*}}unnamed_addr constant {{.*}}, comdat, align 8, !dbg [[DERIVED_VTABLE_VAR:![0-9]*]] // CHECK: [[BASE_VTABLE_VAR]] = !DIGlobalVariableExpression(var: [[BASE_VTABLE:![0-9]*]], expr: !DIExpression()) // CHECK-NEXT: [[BASE_VTABLE]] = distinct !DIGlobalVariable(name: "_vtable$", linkageName: "_ZTVN3NSP5CBaseE" diff --git a/clang/test/CodeGenCXX/vtable-debug-info-template-instantiation.cpp b/clang/test/CodeGenCXX/vtable-debug-info-template-instantiation.cpp new file mode 100644 index 0000000000000..d784cf4df24b6 --- /dev/null +++ b/clang/test/CodeGenCXX/vtable-debug-info-template-instantiation.cpp @@ -0,0 +1,87 @@ +// For CTemplate we check in case of: +// - Implicitly instantiate whole class by up-casting: +// * The vtable is generated with comdat +// * Its '_vtable$' is generated +// - Implicitly instantiate member function only: +// * The vtable is NOT generated +// * Its '_vtable$' is generated +// - Define explicitly instantiation: +// * The vtable is generated with comdat +// * Its '_vtable$' is generated +// - Declare explicitly instantiation as extern: +// # for COFF targets: +// * The vtable is declared but NOT associated with '_vtable$' +// # for non-COFF targets: +// * The vtable is declared +// * Its '_vtable$' is generated + +struct CBase { + virtual void f() noexcept {} +}; + +template +struct CTemplate: CBase { + void f() noexcept override; + virtual ~CTemplate() noexcept; +}; +template +void CTemplate::f() noexcept {} +template +CTemplate::~CTemplate() noexcept {} + +#ifdef EXPLICIT +template struct CTemplate; +#endif +#ifdef EXTERN +extern template struct CTemplate; +#endif + +CTemplate *get(CBase *) noexcept; + +int main() { + CTemplate Template; +#ifdef NOCAST + get(nullptr)->f(); +#else + get(&Template)->f(); +#endif + + return 0; +} + +// RUN: %clang_cc1 -triple x86_64-linux -emit-llvm -debug-info-kind=limited -dwarf-version=5 -O1 %s -o - | FileCheck %s -check-prefix IMPLICIT +// RUN: %clang_cc1 -triple x86_64-linux -emit-llvm -debug-info-kind=limited -dwarf-version=5 -O1 %s -o - -DNOCAST | FileCheck %s -check-prefix NOCAST +// RUN: %clang_cc1 -triple x86_64-linux -emit-llvm -debug-info-kind=limited -dwarf-version=5 -O1 %s -o - -DEXPLICIT | FileCheck %s -check-prefix EXPLICIT +// RUN: %clang_cc1 -triple x86_64-linux -emit-llvm -debug-info-kind=limited -dwarf-version=5 -O1 %s -o - -DEXTERN | FileCheck %s -check-prefix EXTERN + +// IMPLICIT: $_ZTV9CTemplateIvE = comdat any +// IMPLICIT: @_ZTV9CTemplateIvE = linkonce_odr {{.*}}unnamed_addr constant {{.*}}, comdat, align 8, !dbg [[VTABLE_VAR:![0-9]*]] +// IMPLICIT-DAG: [[VTABLE:![0-9]+]] = distinct !DIGlobalVariable(name: "_vtable$", linkageName: "_ZTV9CTemplateIvE" +// IMPLICIT-DAG: !DIGlobalVariableExpression(var: [[VTABLE]], expr: !DIExpression()) +// IMPLICIT-DAG: [[TYPE:![0-9]+]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "CTemplate" +// IMPLICIT-DAG: !DIDerivedType(tag: DW_TAG_variable, name: "_vtable$", scope: [[TYPE]], file: {{.*}}, baseType: [[PVOID:![0-9]+]], flags: DIFlagPrivate | DIFlagArtificial | DIFlagStaticMember) +// IMPLICIT-DAG: [[PVOID]] = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64) + +// NOCAST-NOT: $_ZTV9CTemplateIvE +// NOCAST-NOT: @_ZTV9CTemplateIvE +// NOCAST-DAG: [[VTABLE:![0-9]+]] = distinct !DIGlobalVariable(name: "_vtable$", linkageName: "_ZTV9CTemplateIvE" +// NOCAST-DAG: !DIGlobalVariableExpression(var: [[VTABLE]], expr: !DIExpression()) +// NOCAST-DAG: [[TYPE:![0-9]+]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "CTemplate" +// NOCAST-DAG: !DIDerivedType(tag: DW_TAG_variable, name: "_vtable$", scope: [[TYPE]], file: {{.*}}, baseType: [[PVOID:![0-9]+]], flags: DIFlagPrivate | DIFlagArtificial | DIFlagStaticMember) +// NOCAST-DAG: [[PVOID]] = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64) + +// EXPLICIT: $_ZTV9CTemplateIvE = comdat any +// EXPLICIT: @_ZTV9CTemplateIvE = weak_odr {{.*}}unnamed_addr constant {{.*}}, comdat, align 8, !dbg [[VTABLE_VAR:![0-9]*]] +// EXPLICIT-DAG: [[VTABLE:![0-9]+]] = distinct !DIGlobalVariable(name: "_vtable$", linkageName: "_ZTV9CTemplateIvE" +// EXPLICIT-DAG: [[VTABLE_VAR]] = !DIGlobalVariableExpression(var: [[VTABLE]], expr: !DIExpression()) +// EXPLICIT-DAG: [[TYPE:![0-9]+]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "CTemplate" +// EXPLICIT-DAG: !DIDerivedType(tag: DW_TAG_variable, name: "_vtable$", scope: [[TYPE]], file: {{.*}}, baseType: [[PVOID:![0-9]+]], flags: DIFlagPrivate | DIFlagArtificial | DIFlagStaticMember) +// EXPLICIT-DAG: [[PVOID]] = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64) + +// EXTERN-NOT: $_ZTV9CTemplateIvE +// EXTERN: @_ZTV9CTemplateIvE = external {{.*}}unnamed_addr constant {{.*}}, align 8, !dbg [[VTABLE_VAR:![0-9]*]] +// EXTERN-DAG: [[VTABLE:![0-9]+]] = distinct !DIGlobalVariable(name: "_vtable$", linkageName: "_ZTV9CTemplateIvE" +// EXTERN-DAG: [[VTABLE_VAR]] = !DIGlobalVariableExpression(var: [[VTABLE]], expr: !DIExpression()) +// EXTERN-DAG: [[TYPE:![0-9]+]] = !DICompositeType(tag: DW_TAG_structure_type, name: "CTemplate" +// EXTERN-DAG: !DIDerivedType(tag: DW_TAG_variable, name: "_vtable$", scope: [[TYPE]], file: {{.*}}, baseType: [[PVOID:![0-9]+]], flags: DIFlagPrivate | DIFlagArtificial | DIFlagStaticMember) +// EXTERN-DAG: [[PVOID]] = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)