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-rw-r--r--clang/include/clang/AST/Decl.h18
-rw-r--r--clang/include/clang/AST/DeclCXX.h18
-rw-r--r--clang/include/clang/AST/Type.h10
-rw-r--r--clang/lib/AST/ASTImporter.cpp1
-rw-r--r--clang/lib/AST/Decl.cpp3
-rw-r--r--clang/lib/AST/DeclCXX.cpp1
-rw-r--r--clang/lib/AST/Type.cpp32
-rw-r--r--clang/lib/CodeGen/CGBlocks.cpp7
-rw-r--r--clang/lib/CodeGen/CGNonTrivialStruct.cpp59
-rw-r--r--clang/lib/CodeGen/CGObjC.cpp15
-rw-r--r--clang/lib/CodeGen/CodeGenFunction.h2
-rw-r--r--clang/lib/CodeGen/TargetInfo.cpp27
-rw-r--r--clang/lib/Sema/SemaDecl.cpp8
-rw-r--r--clang/lib/Serialization/ASTReaderDecl.cpp3
-rw-r--r--clang/lib/Serialization/ASTWriter.cpp1
-rw-r--r--clang/lib/Serialization/ASTWriterDecl.cpp2
-rw-r--r--clang/test/CodeGenObjC/nontrivial-c-struct-exception.m31
-rw-r--r--clang/test/CodeGenObjC/weak-in-c-struct.m193
18 files changed, 51 insertions, 380 deletions
diff --git a/clang/include/clang/AST/Decl.h b/clang/include/clang/AST/Decl.h
index 83becc82e81..57c6f453363 100644
--- a/clang/include/clang/AST/Decl.h
+++ b/clang/include/clang/AST/Decl.h
@@ -3553,12 +3553,6 @@ class RecordDecl : public TagDecl {
bool NonTrivialToPrimitiveCopy : 1;
bool NonTrivialToPrimitiveDestroy : 1;
- /// True if this class can be passed in a non-address-preserving fashion
- /// (such as in registers).
- /// This does not imply anything about how the ABI in use will actually
- /// pass an object of this class.
- bool CanPassInRegisters : 1;
-
protected:
RecordDecl(Kind DK, TagKind TK, const ASTContext &C, DeclContext *DC,
SourceLocation StartLoc, SourceLocation IdLoc,
@@ -3642,18 +3636,6 @@ public:
NonTrivialToPrimitiveDestroy = true;
}
- /// Determine whether this class can be passed in registers. In C++ mode,
- /// it must have at least one trivial, non-deleted copy or move constructor.
- /// FIXME: This should be set as part of completeDefinition.
- bool canPassInRegisters() const {
- return CanPassInRegisters;
- }
-
- /// Set that we can pass this RecordDecl in registers.
- void setCanPassInRegisters(bool CanPass) {
- CanPassInRegisters = CanPass;
- }
-
/// \brief Determines whether this declaration represents the
/// injected class name.
///
diff --git a/clang/include/clang/AST/DeclCXX.h b/clang/include/clang/AST/DeclCXX.h
index e9f6f9ef6e7..faa86e37814 100644
--- a/clang/include/clang/AST/DeclCXX.h
+++ b/clang/include/clang/AST/DeclCXX.h
@@ -467,6 +467,12 @@ class CXXRecordDecl : public RecordDecl {
/// constructor.
unsigned HasDefaultedDefaultConstructor : 1;
+ /// \brief True if this class can be passed in a non-address-preserving
+ /// fashion (such as in registers) according to the C++ language rules.
+ /// This does not imply anything about how the ABI in use will actually
+ /// pass an object of this class.
+ unsigned CanPassInRegisters : 1;
+
/// \brief True if a defaulted default constructor for this class would
/// be constexpr.
unsigned DefaultedDefaultConstructorIsConstexpr : 1;
@@ -1468,6 +1474,18 @@ public:
return data().HasIrrelevantDestructor;
}
+ /// \brief Determine whether this class has at least one trivial, non-deleted
+ /// copy or move constructor.
+ bool canPassInRegisters() const {
+ return data().CanPassInRegisters;
+ }
+
+ /// \brief Set that we can pass this RecordDecl in registers.
+ // FIXME: This should be set as part of completeDefinition.
+ void setCanPassInRegisters(bool CanPass) {
+ data().CanPassInRegisters = CanPass;
+ }
+
/// Determine whether the triviality for the purpose of calls for this class
/// is overridden to be trivial because this class or the type of one of its
/// subobjects has attribute "trivial_abi".
diff --git a/clang/include/clang/AST/Type.h b/clang/include/clang/AST/Type.h
index 082b1e3ba1b..4dd67f795e6 100644
--- a/clang/include/clang/AST/Type.h
+++ b/clang/include/clang/AST/Type.h
@@ -1097,10 +1097,6 @@ public:
/// with the ARC __strong qualifier.
PDIK_ARCStrong,
- /// The type is an Objective-C retainable pointer type that is qualified
- /// with the ARC __weak qualifier.
- PDIK_ARCWeak,
-
/// The type is a struct containing a field whose type is not PCK_Trivial.
PDIK_Struct
};
@@ -1128,10 +1124,6 @@ public:
/// with the ARC __strong qualifier.
PCK_ARCStrong,
- /// The type is an Objective-C retainable pointer type that is qualified
- /// with the ARC __weak qualifier.
- PCK_ARCWeak,
-
/// The type is a struct containing a field whose type is neither
/// PCK_Trivial nor PCK_VolatileTrivial.
/// Note that a C++ struct type does not necessarily match this; C++ copying
@@ -1154,8 +1146,6 @@ public:
/// source object is placed in an uninitialized state.
PrimitiveCopyKind isNonTrivialToPrimitiveDestructiveMove() const;
- bool canPassInRegisters() const;
-
enum DestructionKind {
DK_none,
DK_cxx_destructor,
diff --git a/clang/lib/AST/ASTImporter.cpp b/clang/lib/AST/ASTImporter.cpp
index 6b9260d2d87..ac262e70629 100644
--- a/clang/lib/AST/ASTImporter.cpp
+++ b/clang/lib/AST/ASTImporter.cpp
@@ -1105,6 +1105,7 @@ bool ASTNodeImporter::ImportDefinition(RecordDecl *From, RecordDecl *To,
= FromData.HasConstexprNonCopyMoveConstructor;
ToData.HasDefaultedDefaultConstructor
= FromData.HasDefaultedDefaultConstructor;
+ ToData.CanPassInRegisters = FromData.CanPassInRegisters;
ToData.DefaultedDefaultConstructorIsConstexpr
= FromData.DefaultedDefaultConstructorIsConstexpr;
ToData.HasConstexprDefaultConstructor
diff --git a/clang/lib/AST/Decl.cpp b/clang/lib/AST/Decl.cpp
index 35364d6abcb..b640dccbd85 100644
--- a/clang/lib/AST/Decl.cpp
+++ b/clang/lib/AST/Decl.cpp
@@ -3931,8 +3931,7 @@ RecordDecl::RecordDecl(Kind DK, TagKind TK, const ASTContext &C,
HasObjectMember(false), HasVolatileMember(false),
LoadedFieldsFromExternalStorage(false),
NonTrivialToPrimitiveDefaultInitialize(false),
- NonTrivialToPrimitiveCopy(false), NonTrivialToPrimitiveDestroy(false),
- CanPassInRegisters(true) {
+ NonTrivialToPrimitiveCopy(false), NonTrivialToPrimitiveDestroy(false) {
assert(classof(static_cast<Decl*>(this)) && "Invalid Kind!");
}
diff --git a/clang/lib/AST/DeclCXX.cpp b/clang/lib/AST/DeclCXX.cpp
index 271872352cd..487386fdb5d 100644
--- a/clang/lib/AST/DeclCXX.cpp
+++ b/clang/lib/AST/DeclCXX.cpp
@@ -93,6 +93,7 @@ CXXRecordDecl::DefinitionData::DefinitionData(CXXRecordDecl *D)
DeclaredNonTrivialSpecialMembersForCall(0), HasIrrelevantDestructor(true),
HasConstexprNonCopyMoveConstructor(false),
HasDefaultedDefaultConstructor(false),
+ CanPassInRegisters(true),
DefaultedDefaultConstructorIsConstexpr(true),
HasConstexprDefaultConstructor(false),
HasNonLiteralTypeFieldsOrBases(false), ComputedVisibleConversions(false),
diff --git a/clang/lib/AST/Type.cpp b/clang/lib/AST/Type.cpp
index 8934beae746..da7fdb0ee14 100644
--- a/clang/lib/AST/Type.cpp
+++ b/clang/lib/AST/Type.cpp
@@ -2214,14 +2214,11 @@ QualType::isNonTrivialToPrimitiveDefaultInitialize() const {
if (RT->getDecl()->isNonTrivialToPrimitiveDefaultInitialize())
return PDIK_Struct;
- switch (getQualifiers().getObjCLifetime()) {
- case Qualifiers::OCL_Strong:
+ Qualifiers::ObjCLifetime Lifetime = getQualifiers().getObjCLifetime();
+ if (Lifetime == Qualifiers::OCL_Strong)
return PDIK_ARCStrong;
- case Qualifiers::OCL_Weak:
- return PDIK_ARCWeak;
- default:
- return PDIK_Trivial;
- }
+
+ return PDIK_Trivial;
}
QualType::PrimitiveCopyKind QualType::isNonTrivialToPrimitiveCopy() const {
@@ -2231,14 +2228,10 @@ QualType::PrimitiveCopyKind QualType::isNonTrivialToPrimitiveCopy() const {
return PCK_Struct;
Qualifiers Qs = getQualifiers();
- switch (Qs.getObjCLifetime()) {
- case Qualifiers::OCL_Strong:
+ if (Qs.getObjCLifetime() == Qualifiers::OCL_Strong)
return PCK_ARCStrong;
- case Qualifiers::OCL_Weak:
- return PCK_ARCWeak;
- default:
- return Qs.hasVolatile() ? PCK_VolatileTrivial : PCK_Trivial;
- }
+
+ return Qs.hasVolatile() ? PCK_VolatileTrivial : PCK_Trivial;
}
QualType::PrimitiveCopyKind
@@ -2246,17 +2239,6 @@ QualType::isNonTrivialToPrimitiveDestructiveMove() const {
return isNonTrivialToPrimitiveCopy();
}
-bool QualType::canPassInRegisters() const {
- if (const auto *RT =
- getTypePtr()->getBaseElementTypeUnsafe()->getAs<RecordType>())
- return RT->getDecl()->canPassInRegisters();
-
- if (getQualifiers().getObjCLifetime() == Qualifiers::OCL_Weak)
- return false;
-
- return true;
-}
-
bool Type::isLiteralType(const ASTContext &Ctx) const {
if (isDependentType())
return false;
diff --git a/clang/lib/CodeGen/CGBlocks.cpp b/clang/lib/CodeGen/CGBlocks.cpp
index 2c34447ec7e..132314ad2dc 100644
--- a/clang/lib/CodeGen/CGBlocks.cpp
+++ b/clang/lib/CodeGen/CGBlocks.cpp
@@ -1525,9 +1525,6 @@ computeCopyInfoForBlockCapture(const BlockDecl::Capture &CI, QualType T,
case QualType::PCK_Struct:
return std::make_pair(BlockCaptureEntityKind::NonTrivialCStruct,
BlockFieldFlags());
- case QualType::PCK_ARCWeak:
- // We need to register __weak direct captures with the runtime.
- return std::make_pair(BlockCaptureEntityKind::ARCWeak, Flags);
case QualType::PCK_ARCStrong:
// We need to retain the copied value for __strong direct captures.
// If it's a block pointer, we have to copy the block and assign that to
@@ -1545,6 +1542,10 @@ computeCopyInfoForBlockCapture(const BlockDecl::Capture &CI, QualType T,
// Special rules for ARC captures:
Qualifiers QS = T.getQualifiers();
+ // We need to register __weak direct captures with the runtime.
+ if (QS.getObjCLifetime() == Qualifiers::OCL_Weak)
+ return std::make_pair(BlockCaptureEntityKind::ARCWeak, Flags);
+
// Non-ARC captures of retainable pointers are strong and
// therefore require a call to _Block_object_assign.
if (!QS.getObjCLifetime() && !LangOpts.ObjCAutoRefCount)
diff --git a/clang/lib/CodeGen/CGNonTrivialStruct.cpp b/clang/lib/CodeGen/CGNonTrivialStruct.cpp
index 731938af867..3b0b1731987 100644
--- a/clang/lib/CodeGen/CGNonTrivialStruct.cpp
+++ b/clang/lib/CodeGen/CGNonTrivialStruct.cpp
@@ -77,8 +77,6 @@ struct DefaultInitializedTypeVisitor {
switch (PDIK) {
case QualType::PDIK_ARCStrong:
return asDerived().visitARCStrong(FT, std::forward<Ts>(Args)...);
- case QualType::PDIK_ARCWeak:
- return asDerived().visitARCWeak(FT, std::forward<Ts>(Args)...);
case QualType::PDIK_Struct:
return asDerived().visitStruct(FT, std::forward<Ts>(Args)...);
case QualType::PDIK_Trivial:
@@ -110,8 +108,6 @@ struct CopiedTypeVisitor {
switch (PCK) {
case QualType::PCK_ARCStrong:
return asDerived().visitARCStrong(FT, std::forward<Ts>(Args)...);
- case QualType::PCK_ARCWeak:
- return asDerived().visitARCWeak(FT, std::forward<Ts>(Args)...);
case QualType::PCK_Struct:
return asDerived().visitStruct(FT, std::forward<Ts>(Args)...);
case QualType::PCK_Trivial:
@@ -145,6 +141,11 @@ template <class Derived> struct StructVisitor {
template <class... Ts> void visitTrivial(Ts... Args) {}
+ template <class... Ts> void visitARCWeak(Ts... Args) {
+ // FIXME: remove this when visitARCWeak is implemented in the subclasses.
+ llvm_unreachable("weak field is not expected");
+ }
+
template <class... Ts> void visitCXXDestructor(Ts... Args) {
llvm_unreachable("field of a C++ struct type is not expected");
}
@@ -244,13 +245,6 @@ template <class Derived> struct GenFuncNameBase {
appendStr(getVolatileOffsetStr(FT.isVolatileQualified(), FieldOffset));
}
- void visitARCWeak(QualType FT, const FieldDecl *FD,
- CharUnits CurStructOffset) {
- appendStr("_w");
- CharUnits FieldOffset = CurStructOffset + asDerived().getFieldOffset(FD);
- appendStr(getVolatileOffsetStr(FT.isVolatileQualified(), FieldOffset));
- }
-
void visitStruct(QualType QT, const FieldDecl *FD,
CharUnits CurStructOffset) {
CharUnits FieldOffset = CurStructOffset + asDerived().getFieldOffset(FD);
@@ -621,12 +615,6 @@ struct GenDestructor : StructVisitor<GenDestructor>,
*CGF, getAddrWithOffset(Addrs[DstIdx], CurStackOffset, FD), QT);
}
- void visitARCWeak(QualType QT, const FieldDecl *FD, CharUnits CurStackOffset,
- std::array<Address, 1> Addrs) {
- CGF->destroyARCWeak(
- *CGF, getAddrWithOffset(Addrs[DstIdx], CurStackOffset, FD), QT);
- }
-
void callSpecialFunction(QualType FT, CharUnits Offset,
std::array<Address, 1> Addrs) {
CGF->callCStructDestructor(
@@ -648,12 +636,6 @@ struct GenDefaultInitialize
getAddrWithOffset(Addrs[DstIdx], CurStackOffset, FD), QT);
}
- void visitARCWeak(QualType QT, const FieldDecl *FD, CharUnits CurStackOffset,
- std::array<Address, 1> Addrs) {
- CGF->EmitNullInitialization(
- getAddrWithOffset(Addrs[DstIdx], CurStackOffset, FD), QT);
- }
-
template <class FieldKind, size_t... Is>
void visitArray(FieldKind FK, QualType QT, const FieldDecl *FD,
CharUnits CurStackOffset, std::array<Address, 1> Addrs) {
@@ -696,14 +678,6 @@ struct GenCopyConstructor : GenBinaryFunc<GenCopyConstructor, false> {
llvm::Value *Val = CGF->EmitARCRetain(QT, SrcVal);
CGF->EmitStoreOfScalar(Val, CGF->MakeAddrLValue(Addrs[DstIdx], QT), true);
}
-
- void visitARCWeak(QualType QT, const FieldDecl *FD, CharUnits CurStackOffset,
- std::array<Address, 2> Addrs) {
- Addrs[DstIdx] = getAddrWithOffset(Addrs[DstIdx], CurStackOffset, FD);
- Addrs[SrcIdx] = getAddrWithOffset(Addrs[SrcIdx], CurStackOffset, FD);
- CGF->EmitARCCopyWeak(Addrs[DstIdx], Addrs[SrcIdx]);
- }
-
void callSpecialFunction(QualType FT, CharUnits Offset,
std::array<Address, 2> Addrs) {
CGF->callCStructCopyConstructor(CGF->MakeAddrLValue(Addrs[DstIdx], FT),
@@ -726,14 +700,6 @@ struct GenMoveConstructor : GenBinaryFunc<GenMoveConstructor, true> {
CGF->EmitStoreOfScalar(SrcVal, CGF->MakeAddrLValue(Addrs[DstIdx], QT),
/* isInitialization */ true);
}
-
- void visitARCWeak(QualType QT, const FieldDecl *FD, CharUnits CurStackOffset,
- std::array<Address, 2> Addrs) {
- Addrs[DstIdx] = getAddrWithOffset(Addrs[DstIdx], CurStackOffset, FD);
- Addrs[SrcIdx] = getAddrWithOffset(Addrs[SrcIdx], CurStackOffset, FD);
- CGF->EmitARCMoveWeak(Addrs[DstIdx], Addrs[SrcIdx]);
- }
-
void callSpecialFunction(QualType FT, CharUnits Offset,
std::array<Address, 2> Addrs) {
CGF->callCStructMoveConstructor(CGF->MakeAddrLValue(Addrs[DstIdx], FT),
@@ -754,14 +720,6 @@ struct GenCopyAssignment : GenBinaryFunc<GenCopyAssignment, false> {
CGF->EmitARCStoreStrong(CGF->MakeAddrLValue(Addrs[DstIdx], QT), SrcVal,
false);
}
-
- void visitARCWeak(QualType QT, const FieldDecl *FD, CharUnits CurStackOffset,
- std::array<Address, 2> Addrs) {
- Addrs[DstIdx] = getAddrWithOffset(Addrs[DstIdx], CurStackOffset, FD);
- Addrs[SrcIdx] = getAddrWithOffset(Addrs[SrcIdx], CurStackOffset, FD);
- CGF->emitARCCopyAssignWeak(QT, Addrs[DstIdx], Addrs[SrcIdx]);
- }
-
void callSpecialFunction(QualType FT, CharUnits Offset,
std::array<Address, 2> Addrs) {
CGF->callCStructCopyAssignmentOperator(
@@ -789,13 +747,6 @@ struct GenMoveAssignment : GenBinaryFunc<GenMoveAssignment, true> {
CGF->EmitARCRelease(DstVal, ARCImpreciseLifetime);
}
- void visitARCWeak(QualType QT, const FieldDecl *FD, CharUnits CurStackOffset,
- std::array<Address, 2> Addrs) {
- Addrs[DstIdx] = getAddrWithOffset(Addrs[DstIdx], CurStackOffset, FD);
- Addrs[SrcIdx] = getAddrWithOffset(Addrs[SrcIdx], CurStackOffset, FD);
- CGF->emitARCMoveAssignWeak(QT, Addrs[DstIdx], Addrs[SrcIdx]);
- }
-
void callSpecialFunction(QualType FT, CharUnits Offset,
std::array<Address, 2> Addrs) {
CGF->callCStructMoveAssignmentOperator(
diff --git a/clang/lib/CodeGen/CGObjC.cpp b/clang/lib/CodeGen/CGObjC.cpp
index 6ece1d3bd7e..e812ef399e7 100644
--- a/clang/lib/CodeGen/CGObjC.cpp
+++ b/clang/lib/CodeGen/CGObjC.cpp
@@ -2307,21 +2307,6 @@ void CodeGenFunction::EmitARCCopyWeak(Address dst, Address src) {
"objc_copyWeak");
}
-void CodeGenFunction::emitARCCopyAssignWeak(QualType Ty, Address DstAddr,
- Address SrcAddr) {
- llvm::Value *Object = EmitARCLoadWeakRetained(SrcAddr);
- Object = EmitObjCConsumeObject(Ty, Object);
- EmitARCStoreWeak(DstAddr, Object, false);
-}
-
-void CodeGenFunction::emitARCMoveAssignWeak(QualType Ty, Address DstAddr,
- Address SrcAddr) {
- llvm::Value *Object = EmitARCLoadWeakRetained(SrcAddr);
- Object = EmitObjCConsumeObject(Ty, Object);
- EmitARCStoreWeak(DstAddr, Object, false);
- EmitARCDestroyWeak(SrcAddr);
-}
-
/// Produce the code to do a objc_autoreleasepool_push.
/// call i8* \@objc_autoreleasePoolPush(void)
llvm::Value *CodeGenFunction::EmitObjCAutoreleasePoolPush() {
diff --git a/clang/lib/CodeGen/CodeGenFunction.h b/clang/lib/CodeGen/CodeGenFunction.h
index 7bb9466ca2f..95d8229c7de 100644
--- a/clang/lib/CodeGen/CodeGenFunction.h
+++ b/clang/lib/CodeGen/CodeGenFunction.h
@@ -3548,8 +3548,6 @@ public:
llvm::Value *EmitARCLoadWeak(Address addr);
llvm::Value *EmitARCLoadWeakRetained(Address addr);
llvm::Value *EmitARCStoreWeak(Address addr, llvm::Value *value, bool ignored);
- void emitARCCopyAssignWeak(QualType Ty, Address DstAddr, Address SrcAddr);
- void emitARCMoveAssignWeak(QualType Ty, Address DstAddr, Address SrcAddr);
void EmitARCCopyWeak(Address dst, Address src);
void EmitARCMoveWeak(Address dst, Address src);
llvm::Value *EmitARCRetainAutorelease(QualType type, llvm::Value *value);
diff --git a/clang/lib/CodeGen/TargetInfo.cpp b/clang/lib/CodeGen/TargetInfo.cpp
index 939679e7943..aadbd3016bf 100644
--- a/clang/lib/CodeGen/TargetInfo.cpp
+++ b/clang/lib/CodeGen/TargetInfo.cpp
@@ -140,11 +140,8 @@ bool SwiftABIInfo::isLegalVectorTypeForSwift(CharUnits vectorSize,
static CGCXXABI::RecordArgABI getRecordArgABI(const RecordType *RT,
CGCXXABI &CXXABI) {
const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(RT->getDecl());
- if (!RD) {
- if (!RT->getDecl()->canPassInRegisters())
- return CGCXXABI::RAA_Indirect;
+ if (!RD)
return CGCXXABI::RAA_Default;
- }
return CXXABI.getRecordArgABI(RD);
}
@@ -156,20 +153,6 @@ static CGCXXABI::RecordArgABI getRecordArgABI(QualType T,
return getRecordArgABI(RT, CXXABI);
}
-static bool classifyReturnType(const CGCXXABI &CXXABI, CGFunctionInfo &FI,
- const ABIInfo &Info) {
- QualType Ty = FI.getReturnType();
-
- if (const auto *RT = Ty->getAs<RecordType>())
- if (!isa<CXXRecordDecl>(RT->getDecl()) &&
- !RT->getDecl()->canPassInRegisters()) {
- FI.getReturnInfo() = Info.getNaturalAlignIndirect(Ty);
- return true;
- }
-
- return CXXABI.classifyReturnType(FI);
-}
-
/// Pass transparent unions as if they were the type of the first element. Sema
/// should ensure that all elements of the union have the same "machine type".
static QualType useFirstFieldIfTransparentUnion(QualType Ty) {
@@ -1766,7 +1749,7 @@ void X86_32ABIInfo::computeInfo(CGFunctionInfo &FI) const {
} else
State.FreeRegs = DefaultNumRegisterParameters;
- if (!::classifyReturnType(getCXXABI(), FI, *this)) {
+ if (!getCXXABI().classifyReturnType(FI)) {
FI.getReturnInfo() = classifyReturnType(FI.getReturnType(), State);
} else if (FI.getReturnInfo().isIndirect()) {
// The C++ ABI is not aware of register usage, so we have to check if the
@@ -3562,7 +3545,7 @@ void X86_64ABIInfo::computeInfo(CGFunctionInfo &FI) const {
unsigned FreeSSERegs = IsRegCall ? 16 : 8;
unsigned NeededInt, NeededSSE;
- if (!::classifyReturnType(getCXXABI(), FI, *this)) {
+ if (!getCXXABI().classifyReturnType(FI)) {
if (IsRegCall && FI.getReturnType()->getTypePtr()->isRecordType() &&
!FI.getReturnType()->getTypePtr()->isUnionType()) {
FI.getReturnInfo() =
@@ -4912,7 +4895,7 @@ private:
bool isIllegalVectorType(QualType Ty) const;
void computeInfo(CGFunctionInfo &FI) const override {
- if (!::classifyReturnType(getCXXABI(), FI, *this))
+ if (!getCXXABI().classifyReturnType(FI))
FI.getReturnInfo() = classifyReturnType(FI.getReturnType());
for (auto &it : FI.arguments())
@@ -5643,7 +5626,7 @@ void WindowsARMTargetCodeGenInfo::setTargetAttributes(
}
void ARMABIInfo::computeInfo(CGFunctionInfo &FI) const {
- if (!::classifyReturnType(getCXXABI(), FI, *this))
+ if (!getCXXABI().classifyReturnType(FI))
FI.getReturnInfo() =
classifyReturnType(FI.getReturnType(), FI.isVariadic());
diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp
index 831aef21280..036082c9412 100644
--- a/clang/lib/Sema/SemaDecl.cpp
+++ b/clang/lib/Sema/SemaDecl.cpp
@@ -15260,6 +15260,7 @@ void Sema::ActOnFields(Scope *S, SourceLocation RecLoc, Decl *EnclosingDecl,
// Get the type for the field.
const Type *FDTy = FD->getType().getTypePtr();
+ Qualifiers QS = FD->getType().getQualifiers();
if (!FD->isAnonymousStructOrUnion()) {
// Remember all fields written by the user.
@@ -15400,7 +15401,10 @@ void Sema::ActOnFields(Scope *S, SourceLocation RecLoc, Decl *EnclosingDecl,
QualType T = Context.getObjCObjectPointerType(FD->getType());
FD->setType(T);
} else if (getLangOpts().allowsNonTrivialObjCLifetimeQualifiers() &&
- Record && !ObjCFieldLifetimeErrReported && Record->isUnion()) {
+ Record && !ObjCFieldLifetimeErrReported &&
+ ((!getLangOpts().CPlusPlus &&
+ QS.getObjCLifetime() == Qualifiers::OCL_Weak) ||
+ Record->isUnion())) {
// It's an error in ARC or Weak if a field has lifetime.
// We don't want to report this in a system header, though,
// so we just make the field unavailable.
@@ -15446,8 +15450,6 @@ void Sema::ActOnFields(Scope *S, SourceLocation RecLoc, Decl *EnclosingDecl,
Record->setNonTrivialToPrimitiveCopy();
if (FT.isDestructedType())
Record->setNonTrivialToPrimitiveDestroy();
- if (!FT.canPassInRegisters())
- Record->setCanPassInRegisters(false);
}
if (Record && FD->getType().isVolatileQualified())
diff --git a/clang/lib/Serialization/ASTReaderDecl.cpp b/clang/lib/Serialization/ASTReaderDecl.cpp
index 8393663a273..10439d36f5b 100644
--- a/clang/lib/Serialization/ASTReaderDecl.cpp
+++ b/clang/lib/Serialization/ASTReaderDecl.cpp
@@ -739,7 +739,6 @@ ASTDeclReader::VisitRecordDeclImpl(RecordDecl *RD) {
RD->setAnonymousStructOrUnion(Record.readInt());
RD->setHasObjectMember(Record.readInt());
RD->setHasVolatileMember(Record.readInt());
- RD->setCanPassInRegisters(Record.readInt());
return Redecl;
}
@@ -1585,6 +1584,7 @@ void ASTDeclReader::ReadCXXDefinitionData(
Data.HasIrrelevantDestructor = Record.readInt();
Data.HasConstexprNonCopyMoveConstructor = Record.readInt();
Data.HasDefaultedDefaultConstructor = Record.readInt();
+ Data.CanPassInRegisters = Record.readInt();
Data.DefaultedDefaultConstructorIsConstexpr = Record.readInt();
Data.HasConstexprDefaultConstructor = Record.readInt();
Data.HasNonLiteralTypeFieldsOrBases = Record.readInt();
@@ -1724,6 +1724,7 @@ void ASTDeclReader::MergeDefinitionData(
MATCH_FIELD(HasIrrelevantDestructor)
OR_FIELD(HasConstexprNonCopyMoveConstructor)
OR_FIELD(HasDefaultedDefaultConstructor)
+ MATCH_FIELD(CanPassInRegisters)
MATCH_FIELD(DefaultedDefaultConstructorIsConstexpr)
OR_FIELD(HasConstexprDefaultConstructor)
MATCH_FIELD(HasNonLiteralTypeFieldsOrBases)
diff --git a/clang/lib/Serialization/ASTWriter.cpp b/clang/lib/Serialization/ASTWriter.cpp
index 577b91b2cf0..53e09b3f3fd 100644
--- a/clang/lib/Serialization/ASTWriter.cpp
+++ b/clang/lib/Serialization/ASTWriter.cpp
@@ -6018,6 +6018,7 @@ void ASTRecordWriter::AddCXXDefinitionData(const CXXRecordDecl *D) {
Record->push_back(Data.HasIrrelevantDestructor);
Record->push_back(Data.HasConstexprNonCopyMoveConstructor);
Record->push_back(Data.HasDefaultedDefaultConstructor);
+ Record->push_back(Data.CanPassInRegisters);
Record->push_back(Data.DefaultedDefaultConstructorIsConstexpr);
Record->push_back(Data.HasConstexprDefaultConstructor);
Record->push_back(Data.HasNonLiteralTypeFieldsOrBases);
diff --git a/clang/lib/Serialization/ASTWriterDecl.cpp b/clang/lib/Serialization/ASTWriterDecl.cpp
index bae9637e83d..dd57029ca2e 100644
--- a/clang/lib/Serialization/ASTWriterDecl.cpp
+++ b/clang/lib/Serialization/ASTWriterDecl.cpp
@@ -465,7 +465,6 @@ void ASTDeclWriter::VisitRecordDecl(RecordDecl *D) {
Record.push_back(D->isAnonymousStructOrUnion());
Record.push_back(D->hasObjectMember());
Record.push_back(D->hasVolatileMember());
- Record.push_back(D->canPassInRegisters());
if (D->getDeclContext() == D->getLexicalDeclContext() &&
!D->hasAttrs() &&
@@ -1900,7 +1899,6 @@ void ASTWriter::WriteDeclAbbrevs() {
Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // AnonymousStructUnion
Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // hasObjectMember
Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // hasVolatileMember
- Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1)); // canPassInRegisters
// DC
Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // LexicalOffset
Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 6)); // VisibleOffset
diff --git a/clang/test/CodeGenObjC/nontrivial-c-struct-exception.m b/clang/test/CodeGenObjC/nontrivial-c-struct-exception.m
index 7db53bb7424..a926a6d493b 100644
--- a/clang/test/CodeGenObjC/nontrivial-c-struct-exception.m
+++ b/clang/test/CodeGenObjC/nontrivial-c-struct-exception.m
@@ -1,18 +1,12 @@
-// RUN: %clang_cc1 -triple arm64-apple-ios11 -fobjc-arc -fblocks -fobjc-runtime=ios-11.0 -fobjc-exceptions -fexceptions -emit-llvm -o - %s | FileCheck %s
+// RUN: %clang_cc1 -triple arm64-apple-ios11 -fobjc-arc -fblocks -fobjc-runtime=ios-11.0 -fobjc-exceptions -fexceptions -fobjc-arc-exceptions -emit-llvm -o - %s | FileCheck %s
// CHECK: %[[STRUCT_STRONG:.*]] = type { i32, i8* }
-// CHECK: %[[STRUCT_WEAK:.*]] = type { i32, i8* }
typedef struct {
int i;
id f1;
} Strong;
-typedef struct {
- int i;
- __weak id f1;
-} Weak;
-
// CHECK: define void @testStrongException()
// CHECK: %[[AGG_TMP:.*]] = alloca %[[STRUCT_STRONG]], align 8
// CHECK: %[[AGG_TMP1:.*]] = alloca %[[STRUCT_STRONG]], align 8
@@ -37,26 +31,3 @@ void calleeStrong(Strong, Strong);
void testStrongException(void) {
calleeStrong(genStrong(), genStrong());
}
-
-// CHECK: define void @testWeakException()
-// CHECK: %[[AGG_TMP:.*]] = alloca %[[STRUCT_WEAK]], align 8
-// CHECK: %[[AGG_TMP1:.*]] = alloca %[[STRUCT_WEAK]], align 8
-// CHECK: call void @genWeak(%[[STRUCT_WEAK]]* sret %[[AGG_TMP]])
-// CHECK: invoke void @genWeak(%[[STRUCT_WEAK]]* sret %[[AGG_TMP1]])
-
-// CHECK: call void @calleeWeak(%[[STRUCT_WEAK]]* %[[AGG_TMP]], %[[STRUCT_WEAK]]* %[[AGG_TMP1]])
-// CHECK: ret void
-
-// CHECK: landingpad { i8*, i32 }
-// CHECK: %[[V3:.*]] = bitcast %[[STRUCT_WEAK]]* %[[AGG_TMP]] to i8**
-// CHECK: call void @__destructor_8_w8(i8** %[[V3]])
-// CHECK: br label
-
-// CHECK: resume
-
-Weak genWeak(void);
-void calleeWeak(Weak, Weak);
-
-void testWeakException(void) {
- calleeWeak(genWeak(), genWeak());
-}
diff --git a/clang/test/CodeGenObjC/weak-in-c-struct.m b/clang/test/CodeGenObjC/weak-in-c-struct.m
deleted file mode 100644
index b0f4c085102..00000000000
--- a/clang/test/CodeGenObjC/weak-in-c-struct.m
+++ /dev/null
@@ -1,193 +0,0 @@
-// RUN: %clang_cc1 -triple arm64-apple-ios11 -fobjc-arc -fblocks -fobjc-runtime=ios-11.0 -emit-llvm -o - %s | FileCheck -check-prefix=ARM64 -check-prefix=COMMON %s
-// RUN: %clang_cc1 -triple thumbv7-apple-ios10 -fobjc-arc -fblocks -fobjc-runtime=ios-10.0 -emit-llvm -o - %s | FileCheck -check-prefix=COMMON %s
-// RUN: %clang_cc1 -triple x86_64-apple-macosx10.13 -fobjc-arc -fblocks -fobjc-runtime=macosx-10.13.0 -emit-llvm -o - %s | FileCheck -check-prefix=COMMON %s
-// RUN: %clang_cc1 -triple i386-apple-macosx10.13.0 -fobjc-arc -fblocks -fobjc-runtime=macosx-fragile-10.13.0 -emit-llvm -o - %s | FileCheck -check-prefix=COMMON %s
-
-typedef void (^BlockTy)(void);
-
-// COMMON: %[[STRUCT_WEAK:.*]] = type { i32, i8* }
-
-typedef struct {
- int f0;
- __weak id f1;
-} Weak;
-
-Weak getWeak(void);
-void calleeWeak(Weak);
-
-// ARM64: define void @test_constructor_destructor_Weak()
-// ARM64: %[[T:.*]] = alloca %[[STRUCT_WEAK]], align 8
-// ARM64: %[[V0:.*]] = bitcast %[[STRUCT_WEAK]]* %[[T]] to i8**
-// ARM64: call void @__default_constructor_8_w8(i8** %[[V0]])
-// ARM64: %[[V1:.*]] = bitcast %[[STRUCT_WEAK]]* %[[T]] to i8**
-// ARM64: call void @__destructor_8_w8(i8** %[[V1]])
-// ARM64: ret void
-
-// ARM64: define linkonce_odr hidden void @__default_constructor_8_w8(i8** %[[DST:.*]])
-// ARM64: %[[DST_ADDR:.*]] = alloca i8**, align 8
-// ARM64: store i8** %[[DST]], i8*** %[[DST_ADDR]], align 8
-// ARM64: %[[V0:.*]] = load i8**, i8*** %[[DST_ADDR]], align 8
-// ARM64: %[[V1]] = bitcast i8** %[[V0]] to i8*
-// ARM64: %[[V2:.*]] = getelementptr inbounds i8, i8* %[[V1]], i64 8
-// ARM64: %[[V3:.*]] = bitcast i8* %[[V2]] to i8**
-// ARM64: %[[V4:.*]] = bitcast i8** %[[V3]] to i8*
-// ARM64: call void @llvm.memset.p0i8.i64(i8* align 8 %[[V4]], i8 0, i64 8, i1 false)
-
-// ARM64: define linkonce_odr hidden void @__destructor_8_w8(i8** %[[DST:.*]])
-// ARM64: %[[DST_ADDR:.*]] = alloca i8**, align 8
-// ARM64: store i8** %[[DST]], i8*** %[[DST_ADDR]], align 8
-// ARM64: %[[V0:.*]] = load i8**, i8*** %[[DST_ADDR]], align 8
-// ARM64: %[[V1:.*]] = bitcast i8** %[[V0]] to i8*
-// ARM64: %[[V2:.*]] = getelementptr inbounds i8, i8* %[[V1]], i64 8
-// ARM64: %[[V3:.*]] = bitcast i8* %[[V2]] to i8**
-// ARM64: call void @objc_destroyWeak(i8** %[[V3]])
-
-void test_constructor_destructor_Weak(void) {
- Weak t;
-}
-
-// ARM64: define void @test_copy_constructor_Weak(%[[STRUCT_WEAK]]* %{{.*}})
-// ARM64: call void @__copy_constructor_8_8_t0w4_w8(i8** %{{.*}}, i8** %{{.*}})
-// ARM64: call void @__destructor_8_w8(i8** %{{.*}})
-
-// ARM64: define linkonce_odr hidden void @__copy_constructor_8_8_t0w4_w8(i8** %[[DST:.*]], i8** %[[SRC:.*]])
-// ARM64: %[[DST_ADDR:.*]] = alloca i8**, align 8
-// ARM64: %[[SRC_ADDR:.*]] = alloca i8**, align 8
-// ARM64: store i8** %[[DST]], i8*** %[[DST_ADDR]], align 8
-// ARM64: store i8** %[[SRC]], i8*** %[[SRC_ADDR]], align 8
-// ARM64: %[[V0:.*]] = load i8**, i8*** %[[DST_ADDR]], align 8
-// ARM64: %[[V1:.*]] = load i8**, i8*** %[[SRC_ADDR]], align 8
-// ARM64: %[[V2:.*]] = bitcast i8** %[[V0]] to i32*
-// ARM64: %[[V3:.*]] = bitcast i8** %[[V1]] to i32*
-// ARM64: %[[V4:.*]] = load i32, i32* %[[V3]], align 8
-// ARM64: store i32 %[[V4]], i32* %[[V2]], align 8
-// ARM64: %[[V5:.*]] = bitcast i8** %[[V0]] to i8*
-// ARM64: %[[V6:.*]] = getelementptr inbounds i8, i8* %[[V5]], i64 8
-// ARM64: %[[V7:.*]] = bitcast i8* %[[V6]] to i8**
-// ARM64: %[[V8:.*]] = bitcast i8** %[[V1]] to i8*
-// ARM64: %[[V9:.*]] = getelementptr inbounds i8, i8* %[[V8]], i64 8
-// ARM64: %[[V10:.*]] = bitcast i8* %[[V9]] to i8**
-// ARM64: call void @objc_copyWeak(i8** %[[V7]], i8** %[[V10]])
-
-void test_copy_constructor_Weak(Weak *s) {
- Weak t = *s;
-}
-
-// ARM64: define void @test_copy_assignment_Weak(%[[STRUCT_WEAK]]* %{{.*}}, %[[STRUCT_WEAK]]* %{{.*}})
-// ARM64: call void @__copy_assignment_8_8_t0w4_w8(i8** %{{.*}}, i8** %{{.*}})
-
-// ARM64: define linkonce_odr hidden void @__copy_assignment_8_8_t0w4_w8(i8** %[[DST:.*]], i8** %[[SRC:.*]])
-// ARM64: %[[DST_ADDR:.*]] = alloca i8**, align 8
-// ARM64: %[[SRC_ADDR:.*]] = alloca i8**, align 8
-// ARM64: store i8** %[[DST]], i8*** %[[DST_ADDR]], align 8
-// ARM64: store i8** %[[SRC]], i8*** %[[SRC_ADDR]], align 8
-// ARM64: %[[V0:.*]] = load i8**, i8*** %[[DST_ADDR]], align 8
-// ARM64: %[[V1:.*]] = load i8**, i8*** %[[SRC_ADDR]], align 8
-// ARM64: %[[V2:.*]] = bitcast i8** %[[V0]] to i32*
-// ARM64: %[[V3:.*]] = bitcast i8** %[[V1]] to i32*
-// ARM64: %[[V4:.*]] = load i32, i32* %[[V3]], align 8
-// ARM64: store i32 %[[V4]], i32* %[[V2]], align 8
-// ARM64: %[[V5:.*]] = bitcast i8** %[[V0]] to i8*
-// ARM64: %[[V6:.*]] = getelementptr inbounds i8, i8* %[[V5]], i64 8
-// ARM64: %[[V7:.*]] = bitcast i8* %[[V6]] to i8**
-// ARM64: %[[V8:.*]] = bitcast i8** %[[V1]] to i8*
-// ARM64: %[[V9:.*]] = getelementptr inbounds i8, i8* %[[V8]], i64 8
-// ARM64: %[[V10:.*]] = bitcast i8* %[[V9]] to i8**
-// ARM64: %[[V11:.*]] = call i8* @objc_loadWeakRetained(i8** %[[V10]])
-// ARM64: %[[V12:.*]] = call i8* @objc_storeWeak(i8** %[[V7]], i8* %[[V11]])
-// ARM64: call void @objc_release(i8* %[[V11]])
-
-void test_copy_assignment_Weak(Weak *d, Weak *s) {
- *d = *s;
-}
-
-// ARM64: define internal void @__Block_byref_object_copy_(i8*, i8*)
-// ARM64: call void @__move_constructor_8_8_t0w4_w8(i8** %{{.*}}, i8** %{{.*}})
-
-// ARM64: define linkonce_odr hidden void @__move_constructor_8_8_t0w4_w8(i8** %[[DST:.*]], i8** %[[SRC:.*]])
-// ARM64: %[[DST_ADDR:.*]] = alloca i8**, align 8
-// ARM64: %[[SRC_ADDR:.*]] = alloca i8**, align 8
-// ARM64: store i8** %[[DST]], i8*** %[[DST_ADDR]], align 8
-// ARM64: store i8** %[[SRC]], i8*** %[[SRC_ADDR]], align 8
-// ARM64: %[[V0:.*]] = load i8**, i8*** %[[DST_ADDR]], align 8
-// ARM64: %[[V1:.*]] = load i8**, i8*** %[[SRC_ADDR]], align 8
-// ARM64: %[[V2:.*]] = bitcast i8** %[[V0]] to i32*
-// ARM64: %[[V3:.*]] = bitcast i8** %[[V1]] to i32*
-// ARM64: %[[V4:.*]] = load i32, i32* %[[V3]], align 8
-// ARM64: store i32 %[[V4]], i32* %[[V2]], align 8
-// ARM64: %[[V5:.*]] = bitcast i8** %[[V0]] to i8*
-// ARM64: %[[V6:.*]] = getelementptr inbounds i8, i8* %[[V5]], i64 8
-// ARM64: %[[V7:.*]] = bitcast i8* %[[V6]] to i8**
-// ARM64: %[[V8:.*]] = bitcast i8** %[[V1]] to i8*
-// ARM64: %[[V9:.*]] = getelementptr inbounds i8, i8* %[[V8]], i64 8
-// ARM64: %[[V10:.*]] = bitcast i8* %[[V9]] to i8**
-// ARM64: call void @objc_moveWeak(i8** %[[V7]], i8** %[[V10]])
-
-void test_move_constructor_Weak(void) {
- __block Weak t;
- BlockTy b = ^{ (void)t; };
-}
-
-// ARM64: define void @test_move_assignment_Weak(%[[STRUCT_WEAK]]* %{{.*}})
-// ARM64: call void @__move_assignment_8_8_t0w4_w8(i8** %{{.*}}, i8** %{{.*}})
-
-// ARM64: define linkonce_odr hidden void @__move_assignment_8_8_t0w4_w8(i8** %[[DST:.*]], i8** %[[SRC:.*]])
-// ARM64: %[[DST_ADDR:.*]] = alloca i8**, align 8
-// ARM64: %[[SRC_ADDR:.*]] = alloca i8**, align 8
-// ARM64: store i8** %[[DST]], i8*** %[[DST_ADDR]], align 8
-// ARM64: store i8** %[[SRC]], i8*** %[[SRC_ADDR]], align 8
-// ARM64: %[[V0:.*]] = load i8**, i8*** %[[DST_ADDR]], align 8
-// ARM64: %[[V1:.*]] = load i8**, i8*** %[[SRC_ADDR]], align 8
-// ARM64: %[[V2:.*]] = bitcast i8** %[[V0]] to i32*
-// ARM64: %[[V3:.*]] = bitcast i8** %[[V1]] to i32*
-// ARM64: %[[V4:.*]] = load i32, i32* %[[V3]], align 8
-// ARM64: store i32 %[[V4]], i32* %[[V2]], align 8
-// ARM64: %[[V5:.*]] = bitcast i8** %[[V0]] to i8*
-// ARM64: %[[V6:.*]] = getelementptr inbounds i8, i8* %[[V5]], i64 8
-// ARM64: %[[V7:.*]] = bitcast i8* %[[V6]] to i8**
-// ARM64: %[[V8:.*]] = bitcast i8** %[[V1]] to i8*
-// ARM64: %[[V9:.*]] = getelementptr inbounds i8, i8* %[[V8]], i64 8
-// ARM64: %[[V10:.*]] = bitcast i8* %[[V9]] to i8**
-// ARM64: %[[V11:.*]] = call i8* @objc_loadWeakRetained(i8** %[[V10]])
-// ARM64: %[[V12:.*]] = call i8* @objc_storeWeak(i8** %[[V7]], i8* %[[V11]])
-// ARM64: call void @objc_destroyWeak(i8** %[[V10]])
-// ARM64: call void @objc_release(i8* %[[V11]])
-
-void test_move_assignment_Weak(Weak *p) {
- *p = getWeak();
-}
-
-// COMMON: define void @test_parameter_Weak(%[[STRUCT_WEAK]]* %[[A:.*]])
-// COMMON: %[[V0:.*]] = bitcast %[[STRUCT_WEAK]]* %[[A]] to i8**
-// COMMON: call void @__destructor_{{.*}}(i8** %[[V0]])
-
-void test_parameter_Weak(Weak a) {
-}
-
-// COMMON: define void @test_argument_Weak(%[[STRUCT_WEAK]]* %[[A:.*]])
-// COMMON: %[[A_ADDR:.*]] = alloca %[[STRUCT_WEAK]]*
-// COMMON: %[[AGG_TMP:.*]] = alloca %[[STRUCT_WEAK]]
-// COMMON: store %[[STRUCT_WEAK]]* %[[A]], %[[STRUCT_WEAK]]** %[[A_ADDR]]
-// COMMON: %[[V0:.*]] = load %[[STRUCT_WEAK]]*, %[[STRUCT_WEAK]]** %[[A_ADDR]]
-// COMMON: %[[V1:.*]] = bitcast %[[STRUCT_WEAK]]* %[[AGG_TMP]] to i8**
-// COMMON: %[[V2:.*]] = bitcast %[[STRUCT_WEAK]]* %[[V0]] to i8**
-// COMMON: call void @__copy_constructor_{{.*}}(i8** %[[V1]], i8** %[[V2]])
-// COMMON: call void @calleeWeak(%[[STRUCT_WEAK]]* %[[AGG_TMP]])
-// COMMON-NEXT: ret
-
-void test_argument_Weak(Weak *a) {
- calleeWeak(*a);
-}
-
-// COMMON: define void @test_return_Weak(%[[STRUCT_WEAK]]* noalias sret %[[AGG_RESULT:.*]], %[[STRUCT_WEAK]]* %[[A:.*]])
-// COMMON: %[[A_ADDR:.*]] = alloca %[[STRUCT_WEAK]]*
-// COMMON: store %[[STRUCT_WEAK]]* %[[A]], %[[STRUCT_WEAK]]** %[[A_ADDR]]
-// COMMON: %[[V0:.*]] = load %[[STRUCT_WEAK]]*, %[[STRUCT_WEAK]]** %[[A_ADDR]]
-// COMMON: %[[V1:.*]] = bitcast %[[STRUCT_WEAK]]* %[[AGG_RESULT]] to i8**
-// COMMON: %[[V2:.*]] = bitcast %[[STRUCT_WEAK]]* %[[V0]] to i8**
-// COMMON: call void @__copy_constructor_{{.*}}(i8** %[[V1]], i8** %[[V2]])
-// COMMON: ret void
-
-Weak test_return_Weak(Weak *a) {
- return *a;
-}
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