; RUN: llc < %s -filetype=obj | llvm-readobj - --codeview | FileCheck %s ; RUN: llc < %s | llvm-mc -filetype=obj --triple=x86_64-windows | llvm-readobj - --codeview | FileCheck %s ; ; Command to generate function-options.ll ; $ clang++ function-options.cpp -S -emit-llvm -g -gcodeview -o function-options.ll ; ; #define DEFINE_FUNCTION(T) \ ; T Func_##T(T &arg) { return arg; } ; ; class AClass {}; ; DEFINE_FUNCTION(AClass); // Expect: FO = None ; ; class BClass { ; private: ; explicit BClass(); // Expect ctor: FO = Constructor ; }; ; DEFINE_FUNCTION(BClass); // Expect: FO = CxxReturnUdt ; ; class C1Class { ; public: ; C1Class() = default; // Note: Clang generates one defaulted ctor (FO = None) while MSVC doesn't. ; }; ; DEFINE_FUNCTION(C1Class); // Expect: FO = None ; ; class C2Class { // Note: MSVC-specific dtor, i.e. __vecDelDtor won't be verified in this case. ; public: ; ~C2Class() {} // Expect ~C2Class: FO = None ; }; ; DEFINE_FUNCTION(C2Class); // Expect: FO = CxxReturnUdt ; ; class DClass : public BClass {}; // Note: MSVC yields one compiler-generated ctor for DClass while clang doesn't. ; DEFINE_FUNCTION(DClass); // Expect: FO = CxxReturnUdt ; ; class FClass { ; static int x; ; AClass Member_AClass(AClass &); ; BClass Member_BClass(BClass &); ; }; ; DEFINE_FUNCTION(FClass); // Expect FO = None ; ; struct AStruct {}; ; DEFINE_FUNCTION(AStruct); // Expect FO = None ; ; struct BStruct { BStruct(); }; // Expect ctor: FO = Constructor ; DEFINE_FUNCTION(BStruct); // Expect FO = CxxReturnUdt ; ; union AUnion {}; ; DEFINE_FUNCTION(AUnion); // Expect FO = None ; ; union BUnion { BUnion() = default; }; // Note: Clang generates one defaulted ctor (FO = None) while MSVC does not. ; DEFINE_FUNCTION(BUnion); // Expect FO = None ; CHECK: Format: COFF-x86-64 ; CHECK: Arch: x86_64 ; CHECK: AddressSize: 64bit ; CHECK: CodeViewTypes [ ; CHECK: Section: .debug$T ({{.*}}) ; CHECK: Magic: 0x4 ; CHECK: Procedure ([[SP_A:.*]]) { ; CHECK: TypeLeafKind: LF_PROCEDURE (0x1008) ; CHECK: ReturnType: AClass ({{.*}}) ; CHECK: CallingConvention: NearC (0x0) ; CHECK: FunctionOptions [ (0x0) ; CHECK: ] ; CHECK: NumParameters: 1 ; CHECK: ArgListType: (AClass&) ({{.*}}) ; CHECK: } ; CHECK: FuncId ({{.*}}) { ; CHECK: TypeLeafKind: LF_FUNC_ID (0x1601) ; CHECK: ParentScope: 0x0 ; CHECK: FunctionType: AClass (AClass&) ([[SP_A]]) ; CHECK: Name: Func_AClass ; CHECK: } ; CHECK: Procedure ([[SP_B:.*]]) { ; CHECK: TypeLeafKind: LF_PROCEDURE (0x1008) ; CHECK: ReturnType: BClass ({{.*}}) ; CHECK: CallingConvention: NearC (0x0) ; CHECK: FunctionOptions [ (0x1) ; CHECK: CxxReturnUdt (0x1) ; CHECK: ] ; CHECK: NumParameters: 1 ; CHECK: ArgListType: (BClass&) ({{.*}}) ; CHECK: } ; CHECK: MemberFunction ([[CTOR_B:.*]]) { ; CHECK: TypeLeafKind: LF_MFUNCTION (0x1009) ; CHECK: ReturnType: void (0x3) ; CHECK: ClassType: BClass ({{.*}}) ; CHECK: ThisType: BClass* {{.*}} ; CHECK: CallingConvention: NearC (0x0) ; CHECK: FunctionOptions [ (0x2) ; CHECK: Constructor (0x2) ; CHECK: ] ; CHECK: NumParameters: 0 ; CHECK: ArgListType: () ({{.*}}) ; CHECK: ThisAdjustment: 0 ; CHECK: } ; CHECK: FieldList ({{.*}}) { ; CHECK: TypeLeafKind: LF_FIELDLIST (0x1203) ; CHECK: OneMethod { ; CHECK: TypeLeafKind: LF_ONEMETHOD (0x1511) ; CHECK: AccessSpecifier: Private (0x1) ; CHECK: Type: void BClass::() ([[CTOR_B]]) ; CHECK: Name: BClass ; CHECK: } ; CHECK: } ; CHECK: FuncId ({{.*}}) { ; CHECK: TypeLeafKind: LF_FUNC_ID (0x1601) ; CHECK: ParentScope: 0x0 ; CHECK: FunctionType: BClass (BClass&) ([[SP_B]]) ; CHECK: Name: Func_BClass ; CHECK: } ; CHECK: Procedure ([[SP_C1:.*]]) { ; CHECK: TypeLeafKind: LF_PROCEDURE (0x1008) ; CHECK: ReturnType: C1Class ({{.*}}) ; CHECK: CallingConvention: NearC (0x0) ; CHECK: FunctionOptions [ (0x0) ; CHECK: ] ; CHECK: NumParameters: 1 ; CHECK: ArgListType: (C1Class&) ({{.*}}) ; CHECK: } ; CHECK: MemberFunction ([[CTOR_C1:.*]]) { ; CHECK: TypeLeafKind: LF_MFUNCTION (0x1009) ; CHECK: ReturnType: void (0x3) ; CHECK: ClassType: C1Class ({{.*}}) ; CHECK: ThisType: C1Class* {{.*}} ; CHECK: CallingConvention: NearC (0x0) ; CHECK: FunctionOptions [ (0x0) ; CHECK: ] ; CHECK: NumParameters: 0 ; CHECK: ArgListType: () ({{.*}}) ; CHECK: ThisAdjustment: 0 ; CHECK: } ; CHECK: FieldList ({{.*}}) { ; CHECK: TypeLeafKind: LF_FIELDLIST (0x1203) ; CHECK: OneMethod { ; CHECK: TypeLeafKind: LF_ONEMETHOD (0x1511) ; CHECK: AccessSpecifier: Public (0x3) ; CHECK: Type: void C1Class::() ([[CTOR_C1]]) ; CHECK: Name: C1Class ; CHECK: } ; CHECK: } ; CHECK: FuncId ({{.*}}) { ; CHECK: TypeLeafKind: LF_FUNC_ID (0x1601) ; CHECK: ParentScope: 0x0 ; CHECK: FunctionType: C1Class (C1Class&) ([[SP_C1]]) ; CHECK: Name: Func_C1Class ; CHECK: } ; CHECK: Procedure ([[SP_C2:.*]]) { ; CHECK: TypeLeafKind: LF_PROCEDURE (0x1008) ; CHECK: ReturnType: C2Class ({{.*}}) ; CHECK: CallingConvention: NearC (0x0) ; CHECK: FunctionOptions [ (0x1) ; CHECK: CxxReturnUdt (0x1) ; CHECK: ] ; CHECK: NumParameters: 1 ; CHECK: ArgListType: (C2Class&) ({{.*}}) ; CHECK: } ; CHECK: MemberFunction ([[CTOR_C2:.*]]) { ; CHECK: TypeLeafKind: LF_MFUNCTION (0x1009) ; CHECK: ReturnType: void (0x3) ; CHECK: ClassType: C2Class ({{.*}}) ; CHECK: ThisType: C2Class* {{.*}} ; CHECK: CallingConvention: NearC (0x0) ; CHECK: FunctionOptions [ (0x0) ; CHECK: ] ; CHECK: NumParameters: 0 ; CHECK: ArgListType: () ({{.*}}) ; CHECK: ThisAdjustment: 0 ; CHECK: } ; CHECK: FieldList ({{.*}}) { ; CHECK: TypeLeafKind: LF_FIELDLIST (0x1203) ; CHECK: OneMethod { ; CHECK: TypeLeafKind: LF_ONEMETHOD (0x1511) ; CHECK: AccessSpecifier: Public (0x3) ; CHECK: Type: void C2Class::() ([[CTOR_C2]]) ; CHECK: Name: ~C2Class ; CHECK: } ; CHECK: } ; CHECK: FuncId ({{.*}}) { ; CHECK: TypeLeafKind: LF_FUNC_ID (0x1601) ; CHECK: ParentScope: 0x0 ; CHECK: FunctionType: C2Class (C2Class&) ([[SP_C2]]) ; CHECK: Name: Func_C2Class ; CHECK: } ; CHECK: Procedure ([[SP_D:.*]]) { ; CHECK: TypeLeafKind: LF_PROCEDURE (0x1008) ; CHECK: ReturnType: DClass ({{.*}}) ; CHECK: CallingConvention: NearC (0x0) ; CHECK: FunctionOptions [ (0x1) ; CHECK: CxxReturnUdt (0x1) ; CHECK: ] ; CHECK: NumParameters: 1 ; CHECK: ArgListType: (DClass&) ({{.*}}) ; CHECK: } ; CHECK: FieldList ({{.*}}) { ; CHECK: TypeLeafKind: LF_FIELDLIST (0x1203) ; CHECK: BaseClass { ; CHECK: TypeLeafKind: LF_BCLASS (0x1400) ; CHECK: AccessSpecifier: Public (0x3) ; CHECK: BaseType: BClass ({{.*}}) ; CHECK: BaseOffset: 0x0 ; CHECK: } ; CHECK: } ; CHECK: FuncId ({{.*}}) { ; CHECK: TypeLeafKind: LF_FUNC_ID (0x1601) ; CHECK: ParentScope: 0x0 ; CHECK: FunctionType: DClass (DClass&) ([[SP_D]]) ; CHECK: Name: Func_DClass ; CHECK: } ; CHECK: Procedure ([[SP_F:.*]]) { ; CHECK: TypeLeafKind: LF_PROCEDURE (0x1008) ; CHECK: ReturnType: FClass ({{.*}}) ; CHECK: CallingConvention: NearC (0x0) ; CHECK: FunctionOptions [ (0x0) ; CHECK: ] ; CHECK: NumParameters: 1 ; CHECK: ArgListType: (FClass&) ({{.*}}) ; CHECK: } ; CHECK: MemberFunction ([[MF_A:.*]]) { ; CHECK: TypeLeafKind: LF_MFUNCTION (0x1009) ; CHECK: ReturnType: AClass ({{.*}}) ; CHECK: ClassType: FClass ({{.*}}) ; CHECK: ThisType: FClass* {{.*}} ; CHECK: CallingConvention: NearC (0x0) ; CHECK: FunctionOptions [ (0x1) ; CHECK: CxxReturnUdt (0x1) ; CHECK: ] ; CHECK: NumParameters: 1 ; CHECK: ArgListType: (AClass&) ({{.*}}) ; CHECK: ThisAdjustment: 0 ; CHECK: } ; CHECK: MemberFunction ([[MF_B:.*]]) { ; CHECK: TypeLeafKind: LF_MFUNCTION (0x1009) ; CHECK: ReturnType: BClass ({{.*}}) ; CHECK: ClassType: FClass ({{.*}}) ; CHECK: ThisType: FClass* {{.*}} ; CHECK: CallingConvention: NearC (0x0) ; CHECK: FunctionOptions [ (0x1) ; CHECK: CxxReturnUdt (0x1) ; CHECK: ] ; CHECK: NumParameters: 1 ; CHECK: ArgListType: (BClass&) ({{.*}}) ; CHECK: ThisAdjustment: 0 ; CHECK: } ; CHECK: FieldList ({{.*}}) { ; CHECK: TypeLeafKind: LF_FIELDLIST (0x1203) ; CHECK: StaticDataMember { ; CHECK: TypeLeafKind: LF_STMEMBER (0x150E) ; CHECK: AccessSpecifier: Private (0x1) ; CHECK: Type: int (0x74) ; CHECK: Name: x ; CHECK: } ; CHECK: OneMethod { ; CHECK: TypeLeafKind: LF_ONEMETHOD (0x1511) ; CHECK: AccessSpecifier: Private (0x1) ; CHECK: Type: AClass FClass::(AClass&) ([[MF_A]]) ; CHECK: Name: Member_AClass ; CHECK: } ; CHECK: OneMethod { ; CHECK: TypeLeafKind: LF_ONEMETHOD (0x1511) ; CHECK: AccessSpecifier: Private (0x1) ; CHECK: Type: BClass FClass::(BClass&) ([[MF_B]]) ; CHECK: Name: Member_BClass ; CHECK: } ; CHECK: } ; CHECK: FuncId ({{.*}}) { ; CHECK: TypeLeafKind: LF_FUNC_ID (0x1601) ; CHECK: ParentScope: 0x0 ; CHECK: FunctionType: FClass (FClass&) ([[SP_F]]) ; CHECK: Name: Func_FClass ; CHECK: } ; CHECK: Procedure ([[SP_AS:.*]]) { ; CHECK: TypeLeafKind: LF_PROCEDURE (0x1008) ; CHECK: ReturnType: AStruct ({{.*}}) ; CHECK: CallingConvention: NearC (0x0) ; CHECK: FunctionOptions [ (0x0) ; CHECK: ] ; CHECK: NumParameters: 1 ; CHECK: ArgListType: (AStruct&) ({{.*}}) ; CHECK: } ; CHECK: FuncId ({{.*}}) { ; CHECK: TypeLeafKind: LF_FUNC_ID (0x1601) ; CHECK: ParentScope: 0x0 ; CHECK: FunctionType: AStruct (AStruct&) ([[SP_AS]]) ; CHECK: Name: Func_AStruct ; CHECK: } ; CHECK: Procedure ([[SP_BS:.*]]) { ; CHECK: TypeLeafKind: LF_PROCEDURE (0x1008) ; CHECK: ReturnType: BStruct ({{.*}}) ; CHECK: CallingConvention: NearC (0x0) ; CHECK: FunctionOptions [ (0x1) ; CHECK: CxxReturnUdt (0x1) ; CHECK: ] ; CHECK: NumParameters: 1 ; CHECK: ArgListType: (BStruct&) ({{.*}}) ; CHECK: } ; CHECK: MemberFunction ([[CTOR_BS:.*]]) { ; CHECK: TypeLeafKind: LF_MFUNCTION (0x1009) ; CHECK: ReturnType: void (0x3) ; CHECK: ClassType: BStruct ({{.*}}) ; CHECK: ThisType: BStruct* {{.*}} ; CHECK: CallingConvention: NearC (0x0) ; CHECK: FunctionOptions [ (0x2) ; CHECK: Constructor (0x2) ; CHECK: ] ; CHECK: NumParameters: 0 ; CHECK: ArgListType: () ({{.*}}) ; CHECK: ThisAdjustment: 0 ; CHECK: } ; CHECK: FieldList ({{.*}}) { ; CHECK: TypeLeafKind: LF_FIELDLIST (0x1203) ; CHECK: OneMethod { ; CHECK: TypeLeafKind: LF_ONEMETHOD (0x1511) ; CHECK: AccessSpecifier: Public (0x3) ; CHECK: Type: void BStruct::() ([[CTOR_BS]]) ; CHECK: Name: BStruct ; CHECK: } ; CHECK: } ; CHECK: FuncId ({{.*}}) { ; CHECK: TypeLeafKind: LF_FUNC_ID (0x1601) ; CHECK: ParentScope: 0x0 ; CHECK: FunctionType: BStruct (BStruct&) ([[SP_BS]]) ; CHECK: Name: Func_BStruct ; CHECK: } ; CHECK: Procedure ([[SP_AU:.*]]) { ; CHECK: TypeLeafKind: LF_PROCEDURE (0x1008) ; CHECK: ReturnType: AUnion ({{.*}}) ; CHECK: CallingConvention: NearC (0x0) ; CHECK: FunctionOptions [ (0x0) ; CHECK: ] ; CHECK: NumParameters: 1 ; CHECK: ArgListType: (AUnion&) ({{.*}}) ; CHECK: } ; CHECK: FuncId ({{.*}}) { ; CHECK: TypeLeafKind: LF_FUNC_ID (0x1601) ; CHECK: ParentScope: 0x0 ; CHECK: FunctionType: AUnion (AUnion&) ([[SP_AU]]) ; CHECK: Name: Func_AUnion ; CHECK: } ; CHECK: Procedure ([[SP_BU:.*]]) { ; CHECK: TypeLeafKind: LF_PROCEDURE (0x1008) ; CHECK: ReturnType: BUnion ({{.*}}) ; CHECK: CallingConvention: NearC (0x0) ; CHECK: FunctionOptions [ (0x0) ; CHECK: ] ; CHECK: NumParameters: 1 ; CHECK: ArgListType: (BUnion&) ({{.*}}) ; CHECK: } ; CHECK: MemberFunction ([[CTOR_BU:.*]]) { ; CHECK: TypeLeafKind: LF_MFUNCTION (0x1009) ; CHECK: ReturnType: void (0x3) ; CHECK: ClassType: BUnion ({{.*}}) ; CHECK: ThisType: BUnion* {{.*}} ; CHECK: CallingConvention: NearC (0x0) ; CHECK: FunctionOptions [ (0x0) ; CHECK: ] ; CHECK: NumParameters: 0 ; CHECK: ArgListType: () ({{.*}}) ; CHECK: ThisAdjustment: 0 ; CHECK: } ; CHECK: FieldList ({{.*}}) { ; CHECK: TypeLeafKind: LF_FIELDLIST (0x1203) ; CHECK: OneMethod { ; CHECK: TypeLeafKind: LF_ONEMETHOD (0x1511) ; CHECK: AccessSpecifier: Public (0x3) ; CHECK: Type: void BUnion::() ([[CTOR_BU]]) ; CHECK: Name: BUnion ; CHECK: } ; CHECK: } ; CHECK: FuncId ({{.*}}) { ; CHECK: TypeLeafKind: LF_FUNC_ID (0x1601) ; CHECK: ParentScope: 0x0 ; CHECK: FunctionType: BUnion (BUnion&) ([[SP_BU]]) ; CHECK: Name: Func_BUnion ; CHECK: } ; CHECK: ] ; ModuleID = 't.cpp' source_filename = "t.cpp" target datalayout = "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-pc-windows-msvc19.23.28106" %class.AClass = type { i8 } %class.BClass = type { i8 } %class.C1Class = type { i8 } %class.C2Class = type { i8 } %class.DClass = type { i8 } %class.FClass = type { i8 } %struct.AStruct = type { i8 } %struct.BStruct = type { i8 } %union.AUnion = type { i8 } %union.BUnion = type { i8 } ; Function Attrs: noinline nounwind optnone uwtable define dso_local i8 @"?Func_AClass@@YA?AVAClass@@AEAV1@@Z"(%class.AClass* dereferenceable(1) %arg) #0 !dbg !8 { entry: %retval = alloca %class.AClass, align 1 %arg.addr = alloca %class.AClass*, align 8 store %class.AClass* %arg, %class.AClass** %arg.addr, align 8 call void @llvm.dbg.declare(metadata %class.AClass** %arg.addr, metadata !13, metadata !DIExpression()), !dbg !14 %0 = load %class.AClass*, %class.AClass** %arg.addr, align 8, !dbg !14 %coerce.dive = getelementptr inbounds %class.AClass, %class.AClass* %retval, i32 0, i32 0, !dbg !14 %1 = load i8, i8* %coerce.dive, align 1, !dbg !14 ret i8 %1, !dbg !14 } ; Function Attrs: nounwind readnone speculatable willreturn declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 ; Function Attrs: noinline nounwind optnone uwtable define dso_local void @"?Func_BClass@@YA?AVBClass@@AEAV1@@Z"(%class.BClass* noalias sret(%class.BClass) %agg.result, %class.BClass* dereferenceable(1) %arg) #0 !dbg !15 { entry: %result.ptr = alloca i8*, align 8 %arg.addr = alloca %class.BClass*, align 8 %0 = bitcast %class.BClass* %agg.result to i8* store i8* %0, i8** %result.ptr, align 8 store %class.BClass* %arg, %class.BClass** %arg.addr, align 8 call void @llvm.dbg.declare(metadata %class.BClass** %arg.addr, metadata !25, metadata !DIExpression()), !dbg !26 %1 = load %class.BClass*, %class.BClass** %arg.addr, align 8, !dbg !26 ret void, !dbg !26 } ; Function Attrs: noinline nounwind optnone uwtable define dso_local void @"?Func_C1Class@@YA?AVC1Class@@AEAV1@@Z"(%class.C1Class* noalias sret(%class.C1Class) %agg.result, %class.C1Class* dereferenceable(1) %arg) #0 !dbg !27 { entry: %result.ptr = alloca i8*, align 8 %arg.addr = alloca %class.C1Class*, align 8 %0 = bitcast %class.C1Class* %agg.result to i8* store i8* %0, i8** %result.ptr, align 8 store %class.C1Class* %arg, %class.C1Class** %arg.addr, align 8 call void @llvm.dbg.declare(metadata %class.C1Class** %arg.addr, metadata !37, metadata !DIExpression()), !dbg !38 %1 = load %class.C1Class*, %class.C1Class** %arg.addr, align 8, !dbg !38 ret void, !dbg !38 } ; Function Attrs: noinline nounwind optnone uwtable define dso_local void @"?Func_C2Class@@YA?AVC2Class@@AEAV1@@Z"(%class.C2Class* noalias sret(%class.C2Class) %agg.result, %class.C2Class* dereferenceable(1) %arg) #0 !dbg !39 { entry: %result.ptr = alloca i8*, align 8 %arg.addr = alloca %class.C2Class*, align 8 %0 = bitcast %class.C2Class* %agg.result to i8* store i8* %0, i8** %result.ptr, align 8 store %class.C2Class* %arg, %class.C2Class** %arg.addr, align 8 call void @llvm.dbg.declare(metadata %class.C2Class** %arg.addr, metadata !49, metadata !DIExpression()), !dbg !50 %1 = load %class.C2Class*, %class.C2Class** %arg.addr, align 8, !dbg !50 ret void, !dbg !50 } ; Function Attrs: noinline nounwind optnone uwtable define dso_local void @"?Func_DClass@@YA?AVDClass@@AEAV1@@Z"(%class.DClass* noalias sret(%class.DClass) %agg.result, %class.DClass* dereferenceable(1) %arg) #0 !dbg !51 { entry: %result.ptr = alloca i8*, align 8 %arg.addr = alloca %class.DClass*, align 8 %0 = bitcast %class.DClass* %agg.result to i8* store i8* %0, i8** %result.ptr, align 8 store %class.DClass* %arg, %class.DClass** %arg.addr, align 8 call void @llvm.dbg.declare(metadata %class.DClass** %arg.addr, metadata !58, metadata !DIExpression()), !dbg !59 %1 = load %class.DClass*, %class.DClass** %arg.addr, align 8, !dbg !59 ret void, !dbg !59 } ; Function Attrs: noinline nounwind optnone uwtable define dso_local i8 @"?Func_FClass@@YA?AVFClass@@AEAV1@@Z"(%class.FClass* dereferenceable(1) %arg) #0 !dbg !60 { entry: %retval = alloca %class.FClass, align 1 %arg.addr = alloca %class.FClass*, align 8 store %class.FClass* %arg, %class.FClass** %arg.addr, align 8 call void @llvm.dbg.declare(metadata %class.FClass** %arg.addr, metadata !75, metadata !DIExpression()), !dbg !76 %0 = load %class.FClass*, %class.FClass** %arg.addr, align 8, !dbg !76 %coerce.dive = getelementptr inbounds %class.FClass, %class.FClass* %retval, i32 0, i32 0, !dbg !76 %1 = load i8, i8* %coerce.dive, align 1, !dbg !76 ret i8 %1, !dbg !76 } ; Function Attrs: noinline nounwind optnone uwtable define dso_local i8 @"?Func_AStruct@@YA?AUAStruct@@AEAU1@@Z"(%struct.AStruct* dereferenceable(1) %arg) #0 !dbg !77 { entry: %retval = alloca %struct.AStruct, align 1 %arg.addr = alloca %struct.AStruct*, align 8 store %struct.AStruct* %arg, %struct.AStruct** %arg.addr, align 8 call void @llvm.dbg.declare(metadata %struct.AStruct** %arg.addr, metadata !82, metadata !DIExpression()), !dbg !83 %0 = load %struct.AStruct*, %struct.AStruct** %arg.addr, align 8, !dbg !83 %coerce.dive = getelementptr inbounds %struct.AStruct, %struct.AStruct* %retval, i32 0, i32 0, !dbg !83 %1 = load i8, i8* %coerce.dive, align 1, !dbg !83 ret i8 %1, !dbg !83 } ; Function Attrs: noinline nounwind optnone uwtable define dso_local void @"?Func_BStruct@@YA?AUBStruct@@AEAU1@@Z"(%struct.BStruct* noalias sret(%struct.BStruct) %agg.result, %struct.BStruct* dereferenceable(1) %arg) #0 !dbg !84 { entry: %result.ptr = alloca i8*, align 8 %arg.addr = alloca %struct.BStruct*, align 8 %0 = bitcast %struct.BStruct* %agg.result to i8* store i8* %0, i8** %result.ptr, align 8 store %struct.BStruct* %arg, %struct.BStruct** %arg.addr, align 8 call void @llvm.dbg.declare(metadata %struct.BStruct** %arg.addr, metadata !94, metadata !DIExpression()), !dbg !95 %1 = load %struct.BStruct*, %struct.BStruct** %arg.addr, align 8, !dbg !95 ret void, !dbg !95 } ; Function Attrs: noinline nounwind optnone uwtable define dso_local i8 @"?Func_AUnion@@YA?ATAUnion@@AEAT1@@Z"(%union.AUnion* dereferenceable(1) %arg) #0 !dbg !96 { entry: %retval = alloca %union.AUnion, align 1 %arg.addr = alloca %union.AUnion*, align 8 store %union.AUnion* %arg, %union.AUnion** %arg.addr, align 8 call void @llvm.dbg.declare(metadata %union.AUnion** %arg.addr, metadata !101, metadata !DIExpression()), !dbg !102 %0 = load %union.AUnion*, %union.AUnion** %arg.addr, align 8, !dbg !102 %coerce.dive = getelementptr inbounds %union.AUnion, %union.AUnion* %retval, i32 0, i32 0, !dbg !102 %1 = load i8, i8* %coerce.dive, align 1, !dbg !102 ret i8 %1, !dbg !102 } ; Function Attrs: noinline nounwind optnone uwtable define dso_local void @"?Func_BUnion@@YA?ATBUnion@@AEAT1@@Z"(%union.BUnion* noalias sret(%union.BUnion) %agg.result, %union.BUnion* dereferenceable(1) %arg) #0 !dbg !103 { entry: %result.ptr = alloca i8*, align 8 %arg.addr = alloca %union.BUnion*, align 8 %0 = bitcast %union.BUnion* %agg.result to i8* store i8* %0, i8** %result.ptr, align 8 store %union.BUnion* %arg, %union.BUnion** %arg.addr, align 8 call void @llvm.dbg.declare(metadata %union.BUnion** %arg.addr, metadata !113, metadata !DIExpression()), !dbg !114 %1 = load %union.BUnion*, %union.BUnion** %arg.addr, align 8, !dbg !114 ret void, !dbg !114 } ; Function Attrs: noinline norecurse nounwind optnone uwtable define dso_local i32 @main() #2 !dbg !115 { entry: %retval = alloca i32, align 4 store i32 0, i32* %retval, align 4 ret i32 0, !dbg !118 } attributes #0 = { noinline nounwind 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" } attributes #1 = { nounwind readnone speculatable willreturn } attributes #2 = { noinline norecurse nounwind 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" } !llvm.dbg.cu = !{!0} !llvm.module.flags = !{!3, !4, !5, !6} !llvm.ident = !{!7} !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 11.0.0 (https://github.com/llvm/llvm-project.git 48992717b0e3466cf8814a188e9568c9d71b59c2)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None) !1 = !DIFile(filename: "t.cpp", directory: "C:\\src\\tests\\duplicate-types\\llvm-test", checksumkind: CSK_MD5, checksum: "c4c61c0e2135d713d0c99a1ba9ab568b") !2 = !{} !3 = !{i32 2, !"CodeView", i32 1} !4 = !{i32 2, !"Debug Info Version", i32 3} !5 = !{i32 1, !"wchar_size", i32 2} !6 = !{i32 7, !"PIC Level", i32 2} !7 = !{!"clang version 11.0.0 (https://github.com/llvm/llvm-project.git 48992717b0e3466cf8814a188e9568c9d71b59c2)"} !8 = distinct !DISubprogram(name: "Func_AClass", linkageName: "?Func_AClass@@YA?AVAClass@@AEAV1@@Z", scope: !1, file: !1, line: 5, type: !9, scopeLine: 5, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2) !9 = !DISubroutineType(types: !10) !10 = !{!11, !12} !11 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "AClass", file: !1, line: 4, size: 8, flags: DIFlagTypePassByValue, elements: !2, identifier: ".?AVAClass@@") !12 = !DIDerivedType(tag: DW_TAG_reference_type, baseType: !11, size: 64) !13 = !DILocalVariable(name: "arg", arg: 1, scope: !8, file: !1, line: 5, type: !12) !14 = !DILocation(line: 5, scope: !8) !15 = distinct !DISubprogram(name: "Func_BClass", linkageName: "?Func_BClass@@YA?AVBClass@@AEAV1@@Z", scope: !1, file: !1, line: 11, type: !16, scopeLine: 11, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2) !16 = !DISubroutineType(types: !17) !17 = !{!18, !24} !18 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "BClass", file: !1, line: 7, size: 8, flags: DIFlagTypePassByValue | DIFlagNonTrivial, elements: !19, identifier: ".?AVBClass@@") !19 = !{!20} !20 = !DISubprogram(name: "BClass", scope: !18, file: !1, line: 9, type: !21, scopeLine: 9, flags: DIFlagExplicit | DIFlagPrototyped, spFlags: 0) !21 = !DISubroutineType(types: !22) !22 = !{null, !23} !23 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !18, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer) !24 = !DIDerivedType(tag: DW_TAG_reference_type, baseType: !18, size: 64) !25 = !DILocalVariable(name: "arg", arg: 1, scope: !15, file: !1, line: 11, type: !24) !26 = !DILocation(line: 11, scope: !15) !27 = distinct !DISubprogram(name: "Func_C1Class", linkageName: "?Func_C1Class@@YA?AVC1Class@@AEAV1@@Z", scope: !1, file: !1, line: 17, type: !28, scopeLine: 17, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2) !28 = !DISubroutineType(types: !29) !29 = !{!30, !36} !30 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "C1Class", file: !1, line: 13, size: 8, flags: DIFlagTypePassByValue, elements: !31, identifier: ".?AVC1Class@@") !31 = !{!32} !32 = !DISubprogram(name: "C1Class", scope: !30, file: !1, line: 15, type: !33, scopeLine: 15, flags: DIFlagPublic | DIFlagPrototyped, spFlags: 0) !33 = !DISubroutineType(types: !34) !34 = !{null, !35} !35 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !30, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer) !36 = !DIDerivedType(tag: DW_TAG_reference_type, baseType: !30, size: 64) !37 = !DILocalVariable(name: "arg", arg: 1, scope: !27, file: !1, line: 17, type: !36) !38 = !DILocation(line: 17, scope: !27) !39 = distinct !DISubprogram(name: "Func_C2Class", linkageName: "?Func_C2Class@@YA?AVC2Class@@AEAV1@@Z", scope: !1, file: !1, line: 23, type: !40, scopeLine: 23, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2) !40 = !DISubroutineType(types: !41) !41 = !{!42, !48} !42 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "C2Class", file: !1, line: 19, size: 8, flags: DIFlagTypePassByValue | DIFlagNonTrivial, elements: !43, identifier: ".?AVC2Class@@") !43 = !{!44} !44 = !DISubprogram(name: "~C2Class", scope: !42, file: !1, line: 21, type: !45, scopeLine: 21, flags: DIFlagPublic | DIFlagPrototyped, spFlags: 0) !45 = !DISubroutineType(types: !46) !46 = !{null, !47} !47 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !42, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer) !48 = !DIDerivedType(tag: DW_TAG_reference_type, baseType: !42, size: 64) !49 = !DILocalVariable(name: "arg", arg: 1, scope: !39, file: !1, line: 23, type: !48) !50 = !DILocation(line: 23, scope: !39) !51 = distinct !DISubprogram(name: "Func_DClass", linkageName: "?Func_DClass@@YA?AVDClass@@AEAV1@@Z", scope: !1, file: !1, line: 26, type: !52, scopeLine: 26, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2) !52 = !DISubroutineType(types: !53) !53 = !{!54, !57} !54 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "DClass", file: !1, line: 25, size: 8, flags: DIFlagTypePassByValue | DIFlagNonTrivial, elements: !55, identifier: ".?AVDClass@@") !55 = !{!56} !56 = !DIDerivedType(tag: DW_TAG_inheritance, scope: !54, baseType: !18, flags: DIFlagPublic, extraData: i32 0) !57 = !DIDerivedType(tag: DW_TAG_reference_type, baseType: !54, size: 64) !58 = !DILocalVariable(name: "arg", arg: 1, scope: !51, file: !1, line: 26, type: !57) !59 = !DILocation(line: 26, scope: !51) !60 = distinct !DISubprogram(name: "Func_FClass", linkageName: "?Func_FClass@@YA?AVFClass@@AEAV1@@Z", scope: !1, file: !1, line: 33, type: !61, scopeLine: 33, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2) !61 = !DISubroutineType(types: !62) !62 = !{!63, !74} !63 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "FClass", file: !1, line: 28, size: 8, flags: DIFlagTypePassByValue, elements: !64, identifier: ".?AVFClass@@") !64 = !{!65, !67, !71} !65 = !DIDerivedType(tag: DW_TAG_member, name: "x", scope: !63, file: !1, line: 29, baseType: !66, flags: DIFlagStaticMember) !66 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) !67 = !DISubprogram(name: "Member_AClass", linkageName: "?Member_AClass@FClass@@AEAA?AVAClass@@AEAV2@@Z", scope: !63, file: !1, line: 30, type: !68, scopeLine: 30, flags: DIFlagPrototyped, spFlags: 0) !68 = !DISubroutineType(types: !69) !69 = !{!11, !70, !12} !70 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !63, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer) !71 = !DISubprogram(name: "Member_BClass", linkageName: "?Member_BClass@FClass@@AEAA?AVBClass@@AEAV2@@Z", scope: !63, file: !1, line: 31, type: !72, scopeLine: 31, flags: DIFlagPrototyped, spFlags: 0) !72 = !DISubroutineType(types: !73) !73 = !{!18, !70, !24} !74 = !DIDerivedType(tag: DW_TAG_reference_type, baseType: !63, size: 64) !75 = !DILocalVariable(name: "arg", arg: 1, scope: !60, file: !1, line: 33, type: !74) !76 = !DILocation(line: 33, scope: !60) !77 = distinct !DISubprogram(name: "Func_AStruct", linkageName: "?Func_AStruct@@YA?AUAStruct@@AEAU1@@Z", scope: !1, file: !1, line: 36, type: !78, scopeLine: 36, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2) !78 = !DISubroutineType(types: !79) !79 = !{!80, !81} !80 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "AStruct", file: !1, line: 35, size: 8, flags: DIFlagTypePassByValue, elements: !2, identifier: ".?AUAStruct@@") !81 = !DIDerivedType(tag: DW_TAG_reference_type, baseType: !80, size: 64) !82 = !DILocalVariable(name: "arg", arg: 1, scope: !77, file: !1, line: 36, type: !81) !83 = !DILocation(line: 36, scope: !77) !84 = distinct !DISubprogram(name: "Func_BStruct", linkageName: "?Func_BStruct@@YA?AUBStruct@@AEAU1@@Z", scope: !1, file: !1, line: 39, type: !85, scopeLine: 39, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2) !85 = !DISubroutineType(types: !86) !86 = !{!87, !93} !87 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "BStruct", file: !1, line: 38, size: 8, flags: DIFlagTypePassByValue | DIFlagNonTrivial, elements: !88, identifier: ".?AUBStruct@@") !88 = !{!89} !89 = !DISubprogram(name: "BStruct", scope: !87, file: !1, line: 38, type: !90, scopeLine: 38, flags: DIFlagPrototyped, spFlags: 0) !90 = !DISubroutineType(types: !91) !91 = !{null, !92} !92 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !87, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer) !93 = !DIDerivedType(tag: DW_TAG_reference_type, baseType: !87, size: 64) !94 = !DILocalVariable(name: "arg", arg: 1, scope: !84, file: !1, line: 39, type: !93) !95 = !DILocation(line: 39, scope: !84) !96 = distinct !DISubprogram(name: "Func_AUnion", linkageName: "?Func_AUnion@@YA?ATAUnion@@AEAT1@@Z", scope: !1, file: !1, line: 42, type: !97, scopeLine: 42, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2) !97 = !DISubroutineType(types: !98) !98 = !{!99, !100} !99 = distinct !DICompositeType(tag: DW_TAG_union_type, name: "AUnion", file: !1, line: 41, size: 8, flags: DIFlagTypePassByValue, elements: !2, identifier: ".?ATAUnion@@") !100 = !DIDerivedType(tag: DW_TAG_reference_type, baseType: !99, size: 64) !101 = !DILocalVariable(name: "arg", arg: 1, scope: !96, file: !1, line: 42, type: !100) !102 = !DILocation(line: 42, scope: !96) !103 = distinct !DISubprogram(name: "Func_BUnion", linkageName: "?Func_BUnion@@YA?ATBUnion@@AEAT1@@Z", scope: !1, file: !1, line: 45, type: !104, scopeLine: 45, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2) !104 = !DISubroutineType(types: !105) !105 = !{!106, !112} !106 = distinct !DICompositeType(tag: DW_TAG_union_type, name: "BUnion", file: !1, line: 44, size: 8, flags: DIFlagTypePassByValue, elements: !107, identifier: ".?ATBUnion@@") !107 = !{!108} !108 = !DISubprogram(name: "BUnion", scope: !106, file: !1, line: 44, type: !109, scopeLine: 44, flags: DIFlagPrototyped, spFlags: 0) !109 = !DISubroutineType(types: !110) !110 = !{null, !111} !111 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !106, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer) !112 = !DIDerivedType(tag: DW_TAG_reference_type, baseType: !106, size: 64) !113 = !DILocalVariable(name: "arg", arg: 1, scope: !103, file: !1, line: 45, type: !112) !114 = !DILocation(line: 45, scope: !103) !115 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 47, type: !116, scopeLine: 47, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2) !116 = !DISubroutineType(types: !117) !117 = !{!66} !118 = !DILocation(line: 48, scope: !115)