[clang][DebugInfo] Add symbol for debugger with VTable information. #130255
There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| // REQUIRES: target={{x86_64.*-linux.*}} | ||
|
|
||
| // Diamond inheritance case: | ||
| // For CBase, CLeft, CRight and CDerived we check: | ||
| // - Generation of their vtables (including attributes). | ||
| // - Generation of their '_vtable$' data members: | ||
| // * Correct scope and attributes | ||
|
|
||
| namespace NSP { | ||
| struct CBase { | ||
| int B = 0; | ||
| virtual char fooBase() { return 'B'; } | ||
| }; | ||
| } | ||
|
|
||
| namespace NSP_1 { | ||
| struct CLeft : NSP::CBase { | ||
| int M1 = 1; | ||
| char fooBase() override { return 'O'; }; | ||
| virtual int fooLeft() { return 1; } | ||
| }; | ||
| } | ||
|
|
||
| namespace NSP_2 { | ||
| struct CRight : NSP::CBase { | ||
| int M2 = 2; | ||
| char fooBase() override { return 'T'; }; | ||
| virtual int fooRight() { return 2; } | ||
| }; | ||
| } | ||
|
|
||
| struct CDerived : NSP_1::CLeft, NSP_2::CRight { | ||
| int D = 3; | ||
| char fooBase() override { return 'D'; }; | ||
| int fooDerived() { return 3; }; | ||
| }; | ||
|
|
||
| int main() { | ||
| NSP::CBase Base; | ||
| NSP_1::CLeft Left; | ||
| NSP_2::CRight Right; | ||
| CDerived 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 | ||
|
|
||
| // CHECK: $_ZTVN3NSP5CBaseE = comdat any | ||
| // CHECK: $_ZTVN5NSP_15CLeftE = comdat any | ||
| // CHECK: $_ZTVN5NSP_26CRightE = comdat any | ||
| // CHECK: $_ZTV8CDerived = comdat any | ||
|
|
||
| // CHECK: @_ZTVN3NSP5CBaseE = linkonce_odr {{dso_local|hidden}} unnamed_addr constant {{.*}}, comdat, align 8, !dbg [[BASE_VTABLE_VAR:![0-9]*]] | ||
| // CHECK: @_ZTVN5NSP_15CLeftE = linkonce_odr {{dso_local|hidden}} unnamed_addr constant {{.*}}, comdat, align 8, !dbg [[LEFT_VTABLE_VAR:![0-9]*]] | ||
| // CHECK: @_ZTVN5NSP_26CRightE = linkonce_odr {{dso_local|hidden}} unnamed_addr constant {{.*}}, comdat, align 8, !dbg [[RIGHT_VTABLE_VAR:![0-9]*]] | ||
| // CHECK: @_ZTV8CDerived = linkonce_odr {{dso_local|hidden}} unnamed_addr constant {{.*}}, comdat, align 8, !dbg [[DERIVED_VTABLE_VAR:![0-9]*]] | ||
|
|
||
| // CHECK: [[BASE_VTABLE_VAR]] = !DIGlobalVariableExpression(var: [[BASE_VTABLE:![0-9]*]], expr: !DIExpression()) | ||
| // CHECK-NEXT: [[BASE_VTABLE]] = distinct !DIGlobalVariable(name: "_vtable$", linkageName: "_ZTVN3NSP5CBaseE" | ||
|
|
||
| // CHECK: [[LEFT_VTABLE_VAR]] = !DIGlobalVariableExpression(var: [[LEFT_VTABLE:![0-9]*]], expr: !DIExpression()) | ||
| // CHECK-NEXT: [[LEFT_VTABLE]] = distinct !DIGlobalVariable(name: "_vtable$", linkageName: "_ZTVN5NSP_15CLeftE" | ||
|
|
||
| // CHECK: [[TYPE:![0-9]*]] = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64) | ||
|
|
||
| // CHECK: !DIDerivedType(tag: DW_TAG_variable, name: "_vtable$", scope: [[LEFT:![0-9]*]], file: {{.*}}, baseType: [[TYPE]], flags: DIFlagPrivate | DIFlagArtificial | DIFlagStaticMember) | ||
|
|
||
| // CHECK: [[LEFT]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "CLeft" | ||
|
|
||
| // CHECK: [[BASE:![0-9]*]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "CBase" | ||
|
|
||
| // CHECK: [[RIGHT_VTABLE_VAR]] = !DIGlobalVariableExpression(var: [[RIGHT_VTABLE:![0-9]*]], expr: !DIExpression()) | ||
| // CHECK-NEXT: [[RIGHT_VTABLE]] = distinct !DIGlobalVariable(name: "_vtable$", linkageName: "_ZTVN5NSP_26CRightE" | ||
|
|
||
| // CHECK: !DIDerivedType(tag: DW_TAG_variable, name: "_vtable$", scope: [[RIGHT:![0-9]*]], file: {{.*}}, baseType: [[TYPE]], flags: DIFlagPrivate | DIFlagArtificial | DIFlagStaticMember) | ||
|
|
||
| // CHECK: [[RIGHT]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "CRight" | ||
|
|
||
| // CHECK: [[DERIVED_VTABLE_VAR]] = !DIGlobalVariableExpression(var: [[DERIVED_VTABLE:![0-9]*]], expr: !DIExpression()) | ||
| // CHECK-NEXT: [[DERIVED_VTABLE]] = distinct !DIGlobalVariable(name: "_vtable$", linkageName: "_ZTV8CDerived" | ||
|
|
||
| // CHECK: !DIDerivedType(tag: DW_TAG_variable, name: "_vtable$", scope: [[DERIVED:![0-9]*]], file: {{.*}}, baseType: [[TYPE]], flags: DIFlagPrivate | DIFlagArtificial | DIFlagStaticMember) | ||
|
|
||
| // CHECK: [[DERIVED]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "CDerived" | ||
|
|
||
| // CHECK: !DIDerivedType(tag: DW_TAG_variable, name: "_vtable$", scope: [[BASE]], file: {{.*}}, baseType: [[TYPE]], flags: DIFlagPrivate | DIFlagArtificial | DIFlagStaticMember) |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| // REQUIRES: target={{x86_64.*-linux.*}} | ||
|
|
||
| // Multiple inheritance case: | ||
| // For CBaseOne, CBaseTwo and CDerived we check: | ||
| // - Generation of their vtables (including attributes). | ||
| // - Generation of their '_vtable$' data members: | ||
| // * Correct scope and attributes | ||
|
|
||
| namespace NSP_1 { | ||
| struct CBaseOne { | ||
| int B1 = 1; | ||
| virtual int one() { return 1; } | ||
| virtual int two() { return 2; } | ||
| virtual int three() { return 3; } | ||
| }; | ||
| } | ||
|
|
||
| namespace NSP_2 { | ||
| struct CBaseTwo { | ||
| int B2 = 1; | ||
| virtual int four() { return 4; } | ||
| virtual int five() { return 5; } | ||
| virtual int six() { return 6; } | ||
| }; | ||
| } | ||
|
|
||
| struct CDerived : NSP_1::CBaseOne, NSP_2::CBaseTwo { | ||
| int D = 1; | ||
| int two() override { return 22; }; | ||
| int six() override { return 66; } | ||
| }; | ||
|
|
||
| int main() { | ||
| NSP_1::CBaseOne BaseOne; | ||
| NSP_2::CBaseTwo BaseTwo; | ||
| CDerived 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 | ||
|
|
||
| // CHECK: $_ZTVN5NSP_18CBaseOneE = comdat any | ||
| // CHECK: $_ZTVN5NSP_28CBaseTwoE = comdat any | ||
| // CHECK: $_ZTV8CDerived = comdat any | ||
|
|
||
| // CHECK: @_ZTVN5NSP_18CBaseOneE = linkonce_odr {{dso_local|hidden}} unnamed_addr constant {{.*}}, comdat, align 8, !dbg [[BASE_ONE_VTABLE_VAR:![0-9]*]] | ||
| // CHECK: @_ZTVN5NSP_28CBaseTwoE = linkonce_odr {{dso_local|hidden}} unnamed_addr constant {{.*}}, comdat, align 8, !dbg [[BASE_TWO_VTABLE_VAR:![0-9]*]] | ||
| // CHECK: @_ZTV8CDerived = linkonce_odr {{dso_local|hidden}} unnamed_addr constant {{.*}}, comdat, align 8, !dbg [[DERIVED_VTABLE_VAR:![0-9]*]] | ||
|
|
||
| // CHECK: [[BASE_ONE_VTABLE_VAR]] = !DIGlobalVariableExpression(var: [[BASE_ONE_VTABLE:![0-9]*]], expr: !DIExpression()) | ||
| // CHECK-NEXT: [[BASE_ONE_VTABLE]] = distinct !DIGlobalVariable(name: "_vtable$", linkageName: "_ZTVN5NSP_18CBaseOneE" | ||
|
|
||
| // CHECK: [[BASE_TWO_VTABLE_VAR]] = !DIGlobalVariableExpression(var: [[BASE_TWO_VTABLE:![0-9]*]], expr: !DIExpression()) | ||
| // CHECK-NEXT: [[BASE_TWO_VTABLE]] = distinct !DIGlobalVariable(name: "_vtable$", linkageName: "_ZTVN5NSP_28CBaseTwoE" | ||
|
|
||
| // CHECK: [[TYPE:![0-9]*]] = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64) | ||
|
|
||
| // CHECK: !DIDerivedType(tag: DW_TAG_variable, name: "_vtable$", scope: [[BASE_TWO:![0-9]*]], file: {{.*}}, baseType: [[TYPE]], flags: DIFlagPrivate | DIFlagArtificial | DIFlagStaticMember) | ||
|
|
||
| // check: [[BASE_TWO]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "CBaseTwo" | ||
|
|
||
| // CHECK: [[DERIVED_VTABLE_VAR]] = !DIGlobalVariableExpression(var: [[DERIVED_VTABLE:![0-9]*]], expr: !DIExpression()) | ||
| // CHECK: [[DERIVED_VTABLE]] = distinct !DIGlobalVariable(name: "_vtable$", linkageName: "_ZTV8CDerived" | ||
|
|
||
| // CHECK: !DIDerivedType(tag: DW_TAG_variable, name: "_vtable$", scope: [[DERIVED:![0-9]*]], file: {{.*}}, baseType: [[TYPE]], flags: DIFlagPrivate | DIFlagArtificial | DIFlagStaticMember) | ||
|
|
||
| // CHECK: [[DERIVED]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "CDerived" | ||
|
|
||
| // CHECK: [[BASE_ONE:![0-9]*]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "CBaseOne" | ||
|
|
||
| // CHECK: !DIDerivedType(tag: DW_TAG_variable, name: "_vtable$", scope: [[BASE_ONE]], file: {{.*}}, baseType: [[TYPE]], flags: DIFlagPrivate | DIFlagArtificial | DIFlagStaticMember) |
Oops, something went wrong.
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
unused?