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-rw-r--r--lib/CodeGen/CGExpr.cpp158
1 files changed, 59 insertions, 99 deletions
diff --git a/lib/CodeGen/CGExpr.cpp b/lib/CodeGen/CGExpr.cpp
index a7eebbf1fd..309f38e080 100644
--- a/lib/CodeGen/CGExpr.cpp
+++ b/lib/CodeGen/CGExpr.cpp
@@ -166,9 +166,7 @@ LValue CodeGenFunction::EmitUnsupportedLValue(const Expr *E,
ErrorUnsupported(E, Name);
llvm::Type *Ty = llvm::PointerType::getUnqual(ConvertType(E->getType()));
return LValue::MakeAddr(llvm::UndefValue::get(Ty),
- E->getType().getCVRQualifiers(),
- getContext().getObjCGCAttrKind(E->getType()),
- E->getType().getAddressSpace());
+ MakeQualifiers(E->getType()));
}
/// EmitLValue - Emit code to compute a designator that specifies the location
@@ -746,17 +744,16 @@ LValue CodeGenFunction::EmitDeclRefLValue(const DeclRefExpr *E) {
llvm::Value *V = CGM.GetAddrOfGlobalVar(VD);
if (VD->getType()->isReferenceType())
V = Builder.CreateLoad(V, "tmp");
- LV = LValue::MakeAddr(V, E->getType().getCVRQualifiers(),
- getContext().getObjCGCAttrKind(E->getType()),
- E->getType().getAddressSpace());
+ LV = LValue::MakeAddr(V, MakeQualifiers(E->getType()));
} else {
llvm::Value *V = LocalDeclMap[VD];
assert(V && "DeclRefExpr not entered in LocalDeclMap?");
+
+ Qualifiers Quals = MakeQualifiers(E->getType());
// local variables do not get their gc attribute set.
- QualType::GCAttrTypes attr = QualType::GCNone;
// local static?
- if (!NonGCable)
- attr = getContext().getObjCGCAttrKind(E->getType());
+ if (NonGCable) Quals.removeObjCGCAttr();
+
if (VD->hasAttr<BlocksAttr>()) {
V = Builder.CreateStructGEP(V, 1, "forwarding");
V = Builder.CreateLoad(V, false);
@@ -765,8 +762,7 @@ LValue CodeGenFunction::EmitDeclRefLValue(const DeclRefExpr *E) {
}
if (VD->getType()->isReferenceType())
V = Builder.CreateLoad(V, "tmp");
- LV = LValue::MakeAddr(V, E->getType().getCVRQualifiers(), attr,
- E->getType().getAddressSpace());
+ LV = LValue::MakeAddr(V, Quals);
}
LValue::SetObjCNonGC(LV, NonGCable);
setObjCGCLValueClass(getContext(), E, LV);
@@ -775,9 +771,7 @@ LValue CodeGenFunction::EmitDeclRefLValue(const DeclRefExpr *E) {
llvm::Value *V = CGM.GetAddrOfGlobalVar(VD);
if (VD->getType()->isReferenceType())
V = Builder.CreateLoad(V, "tmp");
- LValue LV = LValue::MakeAddr(V, E->getType().getCVRQualifiers(),
- getContext().getObjCGCAttrKind(E->getType()),
- E->getType().getAddressSpace());
+ LValue LV = LValue::MakeAddr(V, MakeQualifiers(E->getType()));
setObjCGCLValueClass(getContext(), E, LV);
return LV;
} else if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(E->getDecl())) {
@@ -794,16 +788,12 @@ LValue CodeGenFunction::EmitDeclRefLValue(const DeclRefExpr *E) {
V = Builder.CreateBitCast(V, ConvertType(NoProtoType), "tmp");
}
}
- return LValue::MakeAddr(V, E->getType().getCVRQualifiers(),
- getContext().getObjCGCAttrKind(E->getType()),
- E->getType().getAddressSpace());
+ return LValue::MakeAddr(V, MakeQualifiers(E->getType()));
} else if (const ImplicitParamDecl *IPD =
dyn_cast<ImplicitParamDecl>(E->getDecl())) {
llvm::Value *V = LocalDeclMap[IPD];
assert(V && "BlockVarDecl not entered in LocalDeclMap?");
- return LValue::MakeAddr(V, E->getType().getCVRQualifiers(),
- getContext().getObjCGCAttrKind(E->getType()),
- E->getType().getAddressSpace());
+ return LValue::MakeAddr(V, MakeQualifiers(E->getType()));
}
assert(0 && "Unimp declref");
//an invalid LValue, but the assert will
@@ -812,10 +802,7 @@ LValue CodeGenFunction::EmitDeclRefLValue(const DeclRefExpr *E) {
}
LValue CodeGenFunction::EmitBlockDeclRefLValue(const BlockDeclRefExpr *E) {
- return LValue::MakeAddr(GetAddrOfBlockDecl(E),
- E->getType().getCVRQualifiers(),
- getContext().getObjCGCAttrKind(E->getType()),
- E->getType().getAddressSpace());
+ return LValue::MakeAddr(GetAddrOfBlockDecl(E), MakeQualifiers(E->getType()));
}
LValue CodeGenFunction::EmitUnaryOpLValue(const UnaryOperator *E) {
@@ -831,10 +818,10 @@ LValue CodeGenFunction::EmitUnaryOpLValue(const UnaryOperator *E) {
QualType T = E->getSubExpr()->getType()->getPointeeType();
assert(!T.isNull() && "CodeGenFunction::EmitUnaryOpLValue: Illegal type");
- LValue LV = LValue::MakeAddr(EmitScalarExpr(E->getSubExpr()),
- T.getCVRQualifiers(),
- getContext().getObjCGCAttrKind(T),
- ExprTy.getAddressSpace());
+ Qualifiers Quals = MakeQualifiers(T);
+ Quals.setAddressSpace(ExprTy.getAddressSpace());
+
+ LValue LV = LValue::MakeAddr(EmitScalarExpr(E->getSubExpr()), Quals);
// We should not generate __weak write barrier on indirect reference
// of a pointer to object; as in void foo (__weak id *param); *param = 0;
// But, we continue to generate __strong write barrier on indirect write
@@ -851,18 +838,18 @@ LValue CodeGenFunction::EmitUnaryOpLValue(const UnaryOperator *E) {
unsigned Idx = E->getOpcode() == UnaryOperator::Imag;
return LValue::MakeAddr(Builder.CreateStructGEP(LV.getAddress(),
Idx, "idx"),
- ExprTy.getCVRQualifiers(),
- QualType::GCNone,
- ExprTy.getAddressSpace());
+ MakeQualifiers(ExprTy));
}
}
LValue CodeGenFunction::EmitStringLiteralLValue(const StringLiteral *E) {
- return LValue::MakeAddr(CGM.GetAddrOfConstantStringFromLiteral(E), 0);
+ return LValue::MakeAddr(CGM.GetAddrOfConstantStringFromLiteral(E),
+ Qualifiers());
}
LValue CodeGenFunction::EmitObjCEncodeExprLValue(const ObjCEncodeExpr *E) {
- return LValue::MakeAddr(CGM.GetAddrOfConstantStringFromObjCEncode(E), 0);
+ return LValue::MakeAddr(CGM.GetAddrOfConstantStringFromObjCEncode(E),
+ Qualifiers());
}
@@ -894,7 +881,7 @@ LValue CodeGenFunction::EmitPredefinedFunctionName(unsigned Type) {
llvm::Constant *C =
CGM.GetAddrOfConstantCString(FunctionName, GlobalVarName.c_str());
- return LValue::MakeAddr(C, 0);
+ return LValue::MakeAddr(C, Qualifiers());
}
LValue CodeGenFunction::EmitPredefinedLValue(const PredefinedExpr *E) {
@@ -923,7 +910,7 @@ LValue CodeGenFunction::EmitArraySubscriptExpr(const ArraySubscriptExpr *E) {
Idx = Builder.CreateIntCast(Idx,
llvm::Type::getInt32Ty(VMContext), IdxSigned, "vidx");
return LValue::MakeVectorElt(LHS.getAddress(), Idx,
- E->getBase()->getType().getCVRQualifiers());
+ E->getBase()->getType().getCVRQualifiers());
}
// The base must be a pointer, which is not an aggregate. Emit it.
@@ -973,10 +960,10 @@ LValue CodeGenFunction::EmitArraySubscriptExpr(const ArraySubscriptExpr *E) {
assert(!T.isNull() &&
"CodeGenFunction::EmitArraySubscriptExpr(): Illegal base type");
- LValue LV = LValue::MakeAddr(Address,
- T.getCVRQualifiers(),
- getContext().getObjCGCAttrKind(T),
- E->getBase()->getType().getAddressSpace());
+ Qualifiers Quals = MakeQualifiers(T);
+ Quals.setAddressSpace(E->getBase()->getType().getAddressSpace());
+
+ LValue LV = LValue::MakeAddr(Address, Quals);
if (getContext().getLangOptions().ObjC1 &&
getContext().getLangOptions().getGCMode() != LangOptions::NonGC) {
LValue::SetObjCNonGC(LV, !E->isOBJCGCCandidate(getContext()));
@@ -1009,9 +996,9 @@ EmitExtVectorElementExpr(const ExtVectorElementExpr *E) {
} else {
const PointerType *PT = E->getBase()->getType()->getAs<PointerType>();
llvm::Value *Ptr = EmitScalarExpr(E->getBase());
- Base = LValue::MakeAddr(Ptr, PT->getPointeeType().getCVRQualifiers(),
- QualType::GCNone,
- PT->getPointeeType().getAddressSpace());
+ Qualifiers Quals = MakeQualifiers(PT->getPointeeType());
+ Quals.removeObjCGCAttr();
+ Base = LValue::MakeAddr(Ptr, Quals);
}
// Encode the element access list into a vector of unsigned indices.
@@ -1021,7 +1008,7 @@ EmitExtVectorElementExpr(const ExtVectorElementExpr *E) {
if (Base.isSimple()) {
llvm::Constant *CV = GenerateConstantVector(VMContext, Indices);
return LValue::MakeExtVectorElt(Base.getAddress(), CV,
- Base.getQualifiers());
+ Base.getVRQualifiers());
}
assert(Base.isExtVectorElt() && "Can only subscript lvalue vec elts here!");
@@ -1037,7 +1024,7 @@ EmitExtVectorElementExpr(const ExtVectorElementExpr *E) {
}
llvm::Constant *CV = llvm::ConstantVector::get(&CElts[0], CElts.size());
return LValue::MakeExtVectorElt(Base.getExtVectorAddr(), CV,
- Base.getQualifiers());
+ Base.getVRQualifiers());
}
LValue CodeGenFunction::EmitMemberExpr(const MemberExpr *E) {
@@ -1045,7 +1032,7 @@ LValue CodeGenFunction::EmitMemberExpr(const MemberExpr *E) {
bool isNonGC = false;
Expr *BaseExpr = E->getBase();
llvm::Value *BaseValue = NULL;
- unsigned CVRQualifiers=0;
+ Qualifiers BaseQuals;
// If this is s.x, emit s as an lvalue. If it is s->x, emit s as a scalar.
if (E->isArrow()) {
@@ -1054,7 +1041,7 @@ LValue CodeGenFunction::EmitMemberExpr(const MemberExpr *E) {
BaseExpr->getType()->getAs<PointerType>();
if (PTy->getPointeeType()->isUnionType())
isUnion = true;
- CVRQualifiers = PTy->getPointeeType().getCVRQualifiers();
+ BaseQuals = PTy->getPointeeType().getQualifiers();
} else if (isa<ObjCPropertyRefExpr>(BaseExpr->IgnoreParens()) ||
isa<ObjCImplicitSetterGetterRefExpr>(
BaseExpr->IgnoreParens())) {
@@ -1062,7 +1049,7 @@ LValue CodeGenFunction::EmitMemberExpr(const MemberExpr *E) {
BaseValue = RV.getAggregateAddr();
if (BaseExpr->getType()->isUnionType())
isUnion = true;
- CVRQualifiers = BaseExpr->getType().getCVRQualifiers();
+ BaseQuals = BaseExpr->getType().getQualifiers();
} else {
LValue BaseLV = EmitLValue(BaseExpr);
if (BaseLV.isNonGC())
@@ -1072,14 +1059,14 @@ LValue CodeGenFunction::EmitMemberExpr(const MemberExpr *E) {
QualType BaseTy = BaseExpr->getType();
if (BaseTy->isUnionType())
isUnion = true;
- CVRQualifiers = BaseTy.getCVRQualifiers();
+ BaseQuals = BaseTy.getQualifiers();
}
FieldDecl *Field = dyn_cast<FieldDecl>(E->getMemberDecl());
// FIXME: Handle non-field member expressions
assert(Field && "No code generation for non-field member references");
LValue MemExpLV = EmitLValueForField(BaseValue, Field, isUnion,
- CVRQualifiers);
+ BaseQuals.getCVRQualifiers());
LValue::SetObjCNonGC(MemExpLV, isNonGC);
setObjCGCLValueClass(getContext(), E, MemExpLV);
return MemExpLV;
@@ -1133,17 +1120,14 @@ LValue CodeGenFunction::EmitLValueForField(llvm::Value* BaseValue,
}
if (Field->getType()->isReferenceType())
V = Builder.CreateLoad(V, "tmp");
- QualType::GCAttrTypes attr = getContext().getObjCGCAttrKind(Field->getType());
+
+ Qualifiers Quals = MakeQualifiers(Field->getType());
+ Quals.addCVRQualifiers(CVRQualifiers);
// __weak attribute on a field is ignored.
- if (attr == QualType::Weak)
- attr = QualType::GCNone;
+ if (Quals.getObjCGCAttr() == Qualifiers::Weak)
+ Quals.removeObjCGCAttr();
- LValue LV =
- LValue::MakeAddr(V,
- Field->getType().getCVRQualifiers()|CVRQualifiers,
- attr,
- Field->getType().getAddressSpace());
- return LV;
+ return LValue::MakeAddr(V, Quals);
}
LValue CodeGenFunction::EmitCompoundLiteralLValue(const CompoundLiteralExpr* E){
@@ -1151,9 +1135,7 @@ LValue CodeGenFunction::EmitCompoundLiteralLValue(const CompoundLiteralExpr* E){
llvm::Value *DeclPtr = CreateTempAlloca(LTy, ".compoundliteral");
const Expr* InitExpr = E->getInitializer();
- LValue Result = LValue::MakeAddr(DeclPtr, E->getType().getCVRQualifiers(),
- QualType::GCNone,
- E->getType().getAddressSpace());
+ LValue Result = LValue::MakeAddr(DeclPtr, MakeQualifiers(E->getType()));
if (E->getType()->isComplexType()) {
EmitComplexExprIntoAddr(InitExpr, DeclPtr, false);
@@ -1199,9 +1181,7 @@ CodeGenFunction::EmitConditionalOperatorLValue(const ConditionalOperator* E) {
EmitBlock(ContBlock);
Temp = Builder.CreateLoad(Temp, "lv");
- return LValue::MakeAddr(Temp, E->getType().getCVRQualifiers(),
- getContext().getObjCGCAttrKind(E->getType()),
- E->getType().getAddressSpace());
+ return LValue::MakeAddr(Temp, MakeQualifiers(E->getType()));
}
// ?: here should be an aggregate.
@@ -1212,9 +1192,7 @@ CodeGenFunction::EmitConditionalOperatorLValue(const ConditionalOperator* E) {
llvm::Value *Temp = CreateTempAlloca(ConvertType(E->getType()));
EmitAggExpr(E, Temp, false);
- return LValue::MakeAddr(Temp, E->getType().getCVRQualifiers(),
- getContext().getObjCGCAttrKind(E->getType()),
- E->getType().getAddressSpace());
+ return LValue::MakeAddr(Temp, MakeQualifiers(E->getType()));
}
/// EmitCastLValue - Casts are never lvalues. If a cast is needed by the code
@@ -1254,18 +1232,14 @@ LValue CodeGenFunction::EmitCastLValue(const CastExpr *E) {
GetAddressCXXOfBaseClass(LV.getAddress(), DerivedClassDecl,
BaseClassDecl, /*NullCheckValue=*/false);
- return LValue::MakeAddr(Base, E->getType().getCVRQualifiers(),
- getContext().getObjCGCAttrKind(E->getType()),
- E->getType().getAddressSpace());
+ return LValue::MakeAddr(Base, MakeQualifiers(E->getType()));
}
case CastExpr::CK_ToUnion: {
llvm::Value *Temp = CreateTempAlloca(ConvertType(E->getType()));
EmitAnyExpr(E->getSubExpr(), Temp, false);
- return LValue::MakeAddr(Temp, E->getType().getCVRQualifiers(),
- getContext().getObjCGCAttrKind(E->getType()),
- E->getType().getAddressSpace());
+ return LValue::MakeAddr(Temp, MakeQualifiers(E->getType()));
}
}
}
@@ -1327,9 +1301,7 @@ LValue CodeGenFunction::EmitBinaryOperatorLValue(const BinaryOperator *E) {
llvm::Value *Temp = CreateTempAlloca(ConvertType(E->getType()));
EmitAggExpr(E, Temp, false);
// FIXME: Are these qualifiers correct?
- return LValue::MakeAddr(Temp, E->getType().getCVRQualifiers(),
- getContext().getObjCGCAttrKind(E->getType()),
- E->getType().getAddressSpace());
+ return LValue::MakeAddr(Temp, MakeQualifiers(E->getType()));
}
LValue CodeGenFunction::EmitCallExprLValue(const CallExpr *E) {
@@ -1340,23 +1312,17 @@ LValue CodeGenFunction::EmitCallExprLValue(const CallExpr *E) {
"Can't have a scalar return unless the return type is a "
"reference type!");
- return LValue::MakeAddr(RV.getScalarVal(), E->getType().getCVRQualifiers(),
- getContext().getObjCGCAttrKind(E->getType()),
- E->getType().getAddressSpace());
+ return LValue::MakeAddr(RV.getScalarVal(), MakeQualifiers(E->getType()));
}
- return LValue::MakeAddr(RV.getAggregateAddr(),
- E->getType().getCVRQualifiers(),
- getContext().getObjCGCAttrKind(E->getType()),
- E->getType().getAddressSpace());
+ return LValue::MakeAddr(RV.getAggregateAddr(), MakeQualifiers(E->getType()));
}
LValue CodeGenFunction::EmitVAArgExprLValue(const VAArgExpr *E) {
// FIXME: This shouldn't require another copy.
llvm::Value *Temp = CreateTempAlloca(ConvertType(E->getType()));
EmitAggExpr(E, Temp, false);
- return LValue::MakeAddr(Temp, E->getType().getCVRQualifiers(),
- QualType::GCNone, E->getType().getAddressSpace());
+ return LValue::MakeAddr(Temp, MakeQualifiers(E->getType()));
}
LValue
@@ -1368,8 +1334,7 @@ CodeGenFunction::EmitCXXConditionDeclLValue(const CXXConditionDeclExpr *E) {
LValue CodeGenFunction::EmitCXXConstructLValue(const CXXConstructExpr *E) {
llvm::Value *Temp = CreateTempAlloca(ConvertTypeForMem(E->getType()), "tmp");
EmitCXXConstructExpr(Temp, E);
- return LValue::MakeAddr(Temp, E->getType().getCVRQualifiers(),
- QualType::GCNone, E->getType().getAddressSpace());
+ return LValue::MakeAddr(Temp, MakeQualifiers(E->getType()));
}
LValue
@@ -1385,10 +1350,7 @@ LValue CodeGenFunction::EmitObjCMessageExprLValue(const ObjCMessageExpr *E) {
// Can only get l-value for message expression returning aggregate type
RValue RV = EmitObjCMessageExpr(E);
// FIXME: can this be volatile?
- return LValue::MakeAddr(RV.getAggregateAddr(),
- E->getType().getCVRQualifiers(),
- getContext().getObjCGCAttrKind(E->getType()),
- E->getType().getAddressSpace());
+ return LValue::MakeAddr(RV.getAggregateAddr(), MakeQualifiers(E->getType()));
}
llvm::Value *CodeGenFunction::EmitIvarOffset(const ObjCInterfaceDecl *Interface,
@@ -1408,22 +1370,23 @@ LValue CodeGenFunction::EmitObjCIvarRefLValue(const ObjCIvarRefExpr *E) {
// FIXME: A lot of the code below could be shared with EmitMemberExpr.
llvm::Value *BaseValue = 0;
const Expr *BaseExpr = E->getBase();
- unsigned CVRQualifiers = 0;
+ Qualifiers BaseQuals;
QualType ObjectTy;
if (E->isArrow()) {
BaseValue = EmitScalarExpr(BaseExpr);
ObjectTy = BaseExpr->getType()->getPointeeType();
- CVRQualifiers = ObjectTy.getCVRQualifiers();
+ BaseQuals = ObjectTy.getQualifiers();
} else {
LValue BaseLV = EmitLValue(BaseExpr);
// FIXME: this isn't right for bitfields.
BaseValue = BaseLV.getAddress();
ObjectTy = BaseExpr->getType();
- CVRQualifiers = ObjectTy.getCVRQualifiers();
+ BaseQuals = ObjectTy.getQualifiers();
}
LValue LV =
- EmitLValueForIvar(ObjectTy, BaseValue, E->getDecl(), CVRQualifiers);
+ EmitLValueForIvar(ObjectTy, BaseValue, E->getDecl(),
+ BaseQuals.getCVRQualifiers());
setObjCGCLValueClass(getContext(), E, LV);
return LV;
}
@@ -1453,10 +1416,7 @@ LValue CodeGenFunction::EmitStmtExprLValue(const StmtExpr *E) {
// Can only get l-value for message expression returning aggregate type
RValue RV = EmitAnyExprToTemp(E);
// FIXME: can this be volatile?
- return LValue::MakeAddr(RV.getAggregateAddr(),
- E->getType().getCVRQualifiers(),
- getContext().getObjCGCAttrKind(E->getType()),
- E->getType().getAddressSpace());
+ return LValue::MakeAddr(RV.getAggregateAddr(), MakeQualifiers(E->getType()));
}
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2025-05-05 16:04:13 +0000