case Type::PointerTyID:
return ConstantPointerNull::get(cast<PointerType>(Ty));
case Type::StructTyID:
+ case Type::UnionTyID:
case Type::ArrayTyID:
case Type::VectorTyID:
return ConstantAggregateZero::get(Ty);
/// isConstantUsed - Return true if the constant has users other than constant
/// exprs and other dangling things.
bool Constant::isConstantUsed() const {
- for (use_const_iterator UI = use_begin(), E = use_end(); UI != E; ++UI) {
+ for (const_use_iterator UI = use_begin(), E = use_end(); UI != E; ++UI) {
const Constant *UC = dyn_cast<Constant>(*UI);
if (UC == 0 || isa<GlobalValue>(UC))
return true;
/// This handles breaking down a vector undef into undef elements, etc. For
/// constant exprs and other cases we can't handle, we return an empty vector.
void Constant::getVectorElements(SmallVectorImpl<Constant*> &Elts) const {
- assert(isa<VectorType>(getType()) && "Not a vector constant!");
+ assert(getType()->isVectorTy() && "Not a vector constant!");
if (const ConstantVector *CV = dyn_cast<ConstantVector>(this)) {
for (unsigned i = 0, e = CV->getNumOperands(); i != e; ++i)
Constant* ConstantFP::getZeroValueForNegation(const Type* Ty) {
if (const VectorType *PTy = dyn_cast<VectorType>(Ty))
- if (PTy->getElementType()->isFloatingPoint()) {
+ if (PTy->getElementType()->isFloatingPointTy()) {
std::vector<Constant*> zeros(PTy->getNumElements(),
getNegativeZero(PTy->getElementType()));
return ConstantVector::get(PTy, zeros);
}
- if (Ty->isFloatingPoint())
+ if (Ty->isFloatingPointTy())
return getNegativeZero(Ty);
return Constant::getNullValue(Ty);
Constant* ConstantArray::get(LLVMContext &Context, StringRef Str,
bool AddNull) {
std::vector<Constant*> ElementVals;
+ ElementVals.reserve(Str.size() + size_t(AddNull));
for (unsigned i = 0; i < Str.size(); ++i)
ElementVals.push_back(ConstantInt::get(Type::getInt8Ty(Context), Str[i]));
}
Constant* ConstantExpr::getNSWNeg(Constant* C) {
- assert(C->getType()->isIntOrIntVector() &&
+ assert(C->getType()->isIntOrIntVectorTy() &&
"Cannot NEG a nonintegral value!");
return getNSWSub(ConstantFP::getZeroValueForNegation(C->getType()), C);
}
Constant* ConstantExpr::getNUWNeg(Constant* C) {
- assert(C->getType()->isIntOrIntVector() &&
+ assert(C->getType()->isIntOrIntVectorTy() &&
"Cannot NEG a nonintegral value!");
return getNUWSub(ConstantFP::getZeroValueForNegation(C->getType()), C);
}
if (getOpcode() != Instruction::GetElementPtr) return false;
gep_type_iterator GEPI = gep_type_begin(this), E = gep_type_end(this);
- User::const_op_iterator OI = next(this->op_begin());
+ User::const_op_iterator OI = llvm::next(this->op_begin());
// Skip the first index, as it has no static limit.
++GEPI;
// Factory Function Implementation
ConstantAggregateZero* ConstantAggregateZero::get(const Type* Ty) {
- assert((isa<StructType>(Ty) || isa<ArrayType>(Ty) || isa<VectorType>(Ty)) &&
+ assert((Ty->isStructTy() || Ty->isUnionTy()
+ || Ty->isArrayTy() || Ty->isVectorTy()) &&
"Cannot create an aggregate zero of non-aggregate type!");
LLVMContextImpl *pImpl = Ty->getContext().pImpl;
/// destroyConstant - Remove the constant from the constant table...
///
void ConstantAggregateZero::destroyConstant() {
- getType()->getContext().pImpl->AggZeroConstants.remove(this);
+ getRawType()->getContext().pImpl->AggZeroConstants.remove(this);
destroyConstantImpl();
}
/// destroyConstant - Remove the constant from the constant table...
///
void ConstantArray::destroyConstant() {
- getType()->getContext().pImpl->ArrayConstants.remove(this);
+ getRawType()->getContext().pImpl->ArrayConstants.remove(this);
destroyConstantImpl();
}
/// if the elements of the array are all ConstantInt's.
bool ConstantArray::isString() const {
// Check the element type for i8...
- if (!getType()->getElementType()->isInteger(8))
+ if (!getType()->getElementType()->isIntegerTy(8))
return false;
// Check the elements to make sure they are all integers, not constant
// expressions.
/// null bytes except its terminator.
bool ConstantArray::isCString() const {
// Check the element type for i8...
- if (!getType()->getElementType()->isInteger(8))
+ if (!getType()->getElementType()->isIntegerTy(8))
return false;
// Last element must be a null.
// destroyConstant - Remove the constant from the constant table...
//
void ConstantStruct::destroyConstant() {
- getType()->getContext().pImpl->StructConstants.remove(this);
+ getRawType()->getContext().pImpl->StructConstants.remove(this);
destroyConstantImpl();
}
// destroyConstant - Remove the constant from the constant table...
//
void ConstantUnion::destroyConstant() {
- getType()->getContext().pImpl->UnionConstants.remove(this);
+ getRawType()->getContext().pImpl->UnionConstants.remove(this);
destroyConstantImpl();
}
// destroyConstant - Remove the constant from the constant table...
//
void ConstantVector::destroyConstant() {
- getType()->getContext().pImpl->VectorConstants.remove(this);
+ getRawType()->getContext().pImpl->VectorConstants.remove(this);
destroyConstantImpl();
}
// destroyConstant - Remove the constant from the constant table...
//
void ConstantPointerNull::destroyConstant() {
- getType()->getContext().pImpl->NullPtrConstants.remove(this);
+ getRawType()->getContext().pImpl->NullPtrConstants.remove(this);
destroyConstantImpl();
}
// destroyConstant - Remove the constant from the constant table.
//
void UndefValue::destroyConstant() {
- getType()->getContext().pImpl->UndefValueConstants.remove(this);
+ getRawType()->getContext().pImpl->UndefValueConstants.remove(this);
destroyConstantImpl();
}
// destroyConstant - Remove the constant from the constant table.
//
void BlockAddress::destroyConstant() {
- getFunction()->getType()->getContext().pImpl
+ getFunction()->getRawType()->getContext().pImpl
->BlockAddresses.erase(std::make_pair(getFunction(), getBasicBlock()));
getBasicBlock()->AdjustBlockAddressRefCount(-1);
destroyConstantImpl();
Constant *ConstantExpr::getZExtOrBitCast(Constant *C, const Type *Ty) {
if (C->getType()->getScalarSizeInBits() == Ty->getScalarSizeInBits())
- return getCast(Instruction::BitCast, C, Ty);
- return getCast(Instruction::ZExt, C, Ty);
+ return getBitCast(C, Ty);
+ return getZExt(C, Ty);
}
Constant *ConstantExpr::getSExtOrBitCast(Constant *C, const Type *Ty) {
if (C->getType()->getScalarSizeInBits() == Ty->getScalarSizeInBits())
- return getCast(Instruction::BitCast, C, Ty);
- return getCast(Instruction::SExt, C, Ty);
+ return getBitCast(C, Ty);
+ return getSExt(C, Ty);
}
Constant *ConstantExpr::getTruncOrBitCast(Constant *C, const Type *Ty) {
if (C->getType()->getScalarSizeInBits() == Ty->getScalarSizeInBits())
- return getCast(Instruction::BitCast, C, Ty);
- return getCast(Instruction::Trunc, C, Ty);
+ return getBitCast(C, Ty);
+ return getTrunc(C, Ty);
}
Constant *ConstantExpr::getPointerCast(Constant *S, const Type *Ty) {
- assert(isa<PointerType>(S->getType()) && "Invalid cast");
- assert((Ty->isInteger() || isa<PointerType>(Ty)) && "Invalid cast");
+ assert(S->getType()->isPointerTy() && "Invalid cast");
+ assert((Ty->isIntegerTy() || Ty->isPointerTy()) && "Invalid cast");
- if (Ty->isInteger())
- return getCast(Instruction::PtrToInt, S, Ty);
- return getCast(Instruction::BitCast, S, Ty);
+ if (Ty->isIntegerTy())
+ return getPtrToInt(S, Ty);
+ return getBitCast(S, Ty);
}
Constant *ConstantExpr::getIntegerCast(Constant *C, const Type *Ty,
bool isSigned) {
- assert(C->getType()->isIntOrIntVector() &&
- Ty->isIntOrIntVector() && "Invalid cast");
+ assert(C->getType()->isIntOrIntVectorTy() &&
+ Ty->isIntOrIntVectorTy() && "Invalid cast");
unsigned SrcBits = C->getType()->getScalarSizeInBits();
unsigned DstBits = Ty->getScalarSizeInBits();
Instruction::CastOps opcode =
}
Constant *ConstantExpr::getFPCast(Constant *C, const Type *Ty) {
- assert(C->getType()->isFPOrFPVector() && Ty->isFPOrFPVector() &&
+ assert(C->getType()->isFPOrFPVectorTy() && Ty->isFPOrFPVectorTy() &&
"Invalid cast");
unsigned SrcBits = C->getType()->getScalarSizeInBits();
unsigned DstBits = Ty->getScalarSizeInBits();
bool toVec = Ty->getTypeID() == Type::VectorTyID;
#endif
assert((fromVec == toVec) && "Cannot convert from scalar to/from vector");
- assert(C->getType()->isIntOrIntVector() && "Trunc operand must be integer");
- assert(Ty->isIntOrIntVector() && "Trunc produces only integral");
+ assert(C->getType()->isIntOrIntVectorTy() && "Trunc operand must be integer");
+ assert(Ty->isIntOrIntVectorTy() && "Trunc produces only integral");
assert(C->getType()->getScalarSizeInBits() > Ty->getScalarSizeInBits()&&
"SrcTy must be larger than DestTy for Trunc!");
bool toVec = Ty->getTypeID() == Type::VectorTyID;
#endif
assert((fromVec == toVec) && "Cannot convert from scalar to/from vector");
- assert(C->getType()->isIntOrIntVector() && "SExt operand must be integral");
- assert(Ty->isIntOrIntVector() && "SExt produces only integer");
+ assert(C->getType()->isIntOrIntVectorTy() && "SExt operand must be integral");
+ assert(Ty->isIntOrIntVectorTy() && "SExt produces only integer");
assert(C->getType()->getScalarSizeInBits() < Ty->getScalarSizeInBits()&&
"SrcTy must be smaller than DestTy for SExt!");
bool toVec = Ty->getTypeID() == Type::VectorTyID;
#endif
assert((fromVec == toVec) && "Cannot convert from scalar to/from vector");
- assert(C->getType()->isIntOrIntVector() && "ZEXt operand must be integral");
- assert(Ty->isIntOrIntVector() && "ZExt produces only integer");
+ assert(C->getType()->isIntOrIntVectorTy() && "ZEXt operand must be integral");
+ assert(Ty->isIntOrIntVectorTy() && "ZExt produces only integer");
assert(C->getType()->getScalarSizeInBits() < Ty->getScalarSizeInBits()&&
"SrcTy must be smaller than DestTy for ZExt!");
bool toVec = Ty->getTypeID() == Type::VectorTyID;
#endif
assert((fromVec == toVec) && "Cannot convert from scalar to/from vector");
- assert(C->getType()->isFPOrFPVector() && Ty->isFPOrFPVector() &&
+ assert(C->getType()->isFPOrFPVectorTy() && Ty->isFPOrFPVectorTy() &&
C->getType()->getScalarSizeInBits() > Ty->getScalarSizeInBits()&&
"This is an illegal floating point truncation!");
return getFoldedCast(Instruction::FPTrunc, C, Ty);
bool toVec = Ty->getTypeID() == Type::VectorTyID;
#endif
assert((fromVec == toVec) && "Cannot convert from scalar to/from vector");
- assert(C->getType()->isFPOrFPVector() && Ty->isFPOrFPVector() &&
+ assert(C->getType()->isFPOrFPVectorTy() && Ty->isFPOrFPVectorTy() &&
C->getType()->getScalarSizeInBits() < Ty->getScalarSizeInBits()&&
"This is an illegal floating point extension!");
return getFoldedCast(Instruction::FPExt, C, Ty);
bool toVec = Ty->getTypeID() == Type::VectorTyID;
#endif
assert((fromVec == toVec) && "Cannot convert from scalar to/from vector");
- assert(C->getType()->isIntOrIntVector() && Ty->isFPOrFPVector() &&
+ assert(C->getType()->isIntOrIntVectorTy() && Ty->isFPOrFPVectorTy() &&
"This is an illegal uint to floating point cast!");
return getFoldedCast(Instruction::UIToFP, C, Ty);
}
bool toVec = Ty->getTypeID() == Type::VectorTyID;
#endif
assert((fromVec == toVec) && "Cannot convert from scalar to/from vector");
- assert(C->getType()->isIntOrIntVector() && Ty->isFPOrFPVector() &&
+ assert(C->getType()->isIntOrIntVectorTy() && Ty->isFPOrFPVectorTy() &&
"This is an illegal sint to floating point cast!");
return getFoldedCast(Instruction::SIToFP, C, Ty);
}
bool toVec = Ty->getTypeID() == Type::VectorTyID;
#endif
assert((fromVec == toVec) && "Cannot convert from scalar to/from vector");
- assert(C->getType()->isFPOrFPVector() && Ty->isIntOrIntVector() &&
+ assert(C->getType()->isFPOrFPVectorTy() && Ty->isIntOrIntVectorTy() &&
"This is an illegal floating point to uint cast!");
return getFoldedCast(Instruction::FPToUI, C, Ty);
}
bool toVec = Ty->getTypeID() == Type::VectorTyID;
#endif
assert((fromVec == toVec) && "Cannot convert from scalar to/from vector");
- assert(C->getType()->isFPOrFPVector() && Ty->isIntOrIntVector() &&
+ assert(C->getType()->isFPOrFPVectorTy() && Ty->isIntOrIntVectorTy() &&
"This is an illegal floating point to sint cast!");
return getFoldedCast(Instruction::FPToSI, C, Ty);
}
Constant *ConstantExpr::getPtrToInt(Constant *C, const Type *DstTy) {
- assert(isa<PointerType>(C->getType()) && "PtrToInt source must be pointer");
- assert(DstTy->isInteger() && "PtrToInt destination must be integral");
+ assert(C->getType()->isPointerTy() && "PtrToInt source must be pointer");
+ assert(DstTy->isIntegerTy() && "PtrToInt destination must be integral");
return getFoldedCast(Instruction::PtrToInt, C, DstTy);
}
Constant *ConstantExpr::getIntToPtr(Constant *C, const Type *DstTy) {
- assert(C->getType()->isInteger() && "IntToPtr source must be integral");
- assert(isa<PointerType>(DstTy) && "IntToPtr destination must be a pointer");
+ assert(C->getType()->isIntegerTy() && "IntToPtr source must be integral");
+ assert(DstTy->isPointerTy() && "IntToPtr destination must be a pointer");
return getFoldedCast(Instruction::IntToPtr, C, DstTy);
}
Constant *ConstantExpr::get(unsigned Opcode, Constant *C1, Constant *C2,
unsigned Flags) {
- // API compatibility: Adjust integer opcodes to floating-point opcodes.
- if (C1->getType()->isFPOrFPVector()) {
- if (Opcode == Instruction::Add) Opcode = Instruction::FAdd;
- else if (Opcode == Instruction::Sub) Opcode = Instruction::FSub;
- else if (Opcode == Instruction::Mul) Opcode = Instruction::FMul;
- }
#ifndef NDEBUG
switch (Opcode) {
case Instruction::Add:
case Instruction::Sub:
case Instruction::Mul:
assert(C1->getType() == C2->getType() && "Op types should be identical!");
- assert(C1->getType()->isIntOrIntVector() &&
+ assert(C1->getType()->isIntOrIntVectorTy() &&
"Tried to create an integer operation on a non-integer type!");
break;
case Instruction::FAdd:
case Instruction::FSub:
case Instruction::FMul:
assert(C1->getType() == C2->getType() && "Op types should be identical!");
- assert(C1->getType()->isFPOrFPVector() &&
+ assert(C1->getType()->isFPOrFPVectorTy() &&
"Tried to create a floating-point operation on a "
"non-floating-point type!");
break;
case Instruction::UDiv:
case Instruction::SDiv:
assert(C1->getType() == C2->getType() && "Op types should be identical!");
- assert(C1->getType()->isIntOrIntVector() &&
+ assert(C1->getType()->isIntOrIntVectorTy() &&
"Tried to create an arithmetic operation on a non-arithmetic type!");
break;
case Instruction::FDiv:
assert(C1->getType() == C2->getType() && "Op types should be identical!");
- assert(C1->getType()->isFPOrFPVector() &&
+ assert(C1->getType()->isFPOrFPVectorTy() &&
"Tried to create an arithmetic operation on a non-arithmetic type!");
break;
case Instruction::URem:
case Instruction::SRem:
assert(C1->getType() == C2->getType() && "Op types should be identical!");
- assert(C1->getType()->isIntOrIntVector() &&
+ assert(C1->getType()->isIntOrIntVectorTy() &&
"Tried to create an arithmetic operation on a non-arithmetic type!");
break;
case Instruction::FRem:
assert(C1->getType() == C2->getType() && "Op types should be identical!");
- assert(C1->getType()->isFPOrFPVector() &&
+ assert(C1->getType()->isFPOrFPVectorTy() &&
"Tried to create an arithmetic operation on a non-arithmetic type!");
break;
case Instruction::And:
case Instruction::Or:
case Instruction::Xor:
assert(C1->getType() == C2->getType() && "Op types should be identical!");
- assert(C1->getType()->isIntOrIntVector() &&
+ assert(C1->getType()->isIntOrIntVectorTy() &&
"Tried to create a logical operation on a non-integral type!");
break;
case Instruction::Shl:
case Instruction::LShr:
case Instruction::AShr:
assert(C1->getType() == C2->getType() && "Op types should be identical!");
- assert(C1->getType()->isIntOrIntVector() &&
+ assert(C1->getType()->isIntOrIntVectorTy() &&
"Tried to create a shift operation on a non-integer type!");
break;
default:
Constant *GEPIdx = ConstantInt::get(Type::getInt32Ty(Ty->getContext()), 1);
Constant *GEP = getGetElementPtr(
Constant::getNullValue(PointerType::getUnqual(Ty)), &GEPIdx, 1);
- return getCast(Instruction::PtrToInt, GEP,
- Type::getInt64Ty(Ty->getContext()));
+ return getPtrToInt(GEP,
+ Type::getInt64Ty(Ty->getContext()));
}
Constant* ConstantExpr::getAlignOf(const Type* Ty) {
Constant *One = ConstantInt::get(Type::getInt32Ty(Ty->getContext()), 1);
Constant *Indices[2] = { Zero, One };
Constant *GEP = getGetElementPtr(NullPtr, Indices, 2);
- return getCast(Instruction::PtrToInt, GEP,
- Type::getInt64Ty(Ty->getContext()));
+ return getPtrToInt(GEP,
+ Type::getInt64Ty(Ty->getContext()));
}
Constant* ConstantExpr::getOffsetOf(const StructType* STy, unsigned FieldNo) {
};
Constant *GEP = getGetElementPtr(
Constant::getNullValue(PointerType::getUnqual(Ty)), GEPIdx, 2);
- return getCast(Instruction::PtrToInt, GEP,
- Type::getInt64Ty(Ty->getContext()));
+ return getPtrToInt(GEP,
+ Type::getInt64Ty(Ty->getContext()));
}
Constant *ConstantExpr::getCompare(unsigned short pred,
(Constant**)Idxs, NumIdx))
return FC; // Fold a few common cases...
- assert(isa<PointerType>(C->getType()) &&
+ assert(C->getType()->isPointerTy() &&
"Non-pointer type for constant GetElementPtr expression");
// Look up the constant in the table first to ensure uniqueness
std::vector<Constant*> ArgVec;
(Constant**)Idxs, NumIdx))
return FC; // Fold a few common cases...
- assert(isa<PointerType>(C->getType()) &&
+ assert(C->getType()->isPointerTy() &&
"Non-pointer type for constant GetElementPtr expression");
// Look up the constant in the table first to ensure uniqueness
std::vector<Constant*> ArgVec;
}
Constant *ConstantExpr::getExtractElement(Constant *Val, Constant *Idx) {
- assert(isa<VectorType>(Val->getType()) &&
+ assert(Val->getType()->isVectorTy() &&
"Tried to create extractelement operation on non-vector type!");
- assert(Idx->getType()->isInteger(32) &&
+ assert(Idx->getType()->isIntegerTy(32) &&
"Extractelement index must be i32 type!");
return getExtractElementTy(cast<VectorType>(Val->getType())->getElementType(),
Val, Idx);
Constant *ConstantExpr::getInsertElement(Constant *Val, Constant *Elt,
Constant *Idx) {
- assert(isa<VectorType>(Val->getType()) &&
+ assert(Val->getType()->isVectorTy() &&
"Tried to create insertelement operation on non-vector type!");
assert(Elt->getType() == cast<VectorType>(Val->getType())->getElementType()
&& "Insertelement types must match!");
- assert(Idx->getType()->isInteger(32) &&
+ assert(Idx->getType()->isIntegerTy(32) &&
"Insertelement index must be i32 type!");
return getInsertElementTy(Val->getType(), Val, Elt, Idx);
}
}
Constant* ConstantExpr::getNeg(Constant* C) {
- // API compatibility: Adjust integer opcodes to floating-point opcodes.
- if (C->getType()->isFPOrFPVector())
- return getFNeg(C);
- assert(C->getType()->isIntOrIntVector() &&
+ assert(C->getType()->isIntOrIntVectorTy() &&
"Cannot NEG a nonintegral value!");
return get(Instruction::Sub,
ConstantFP::getZeroValueForNegation(C->getType()),
}
Constant* ConstantExpr::getFNeg(Constant* C) {
- assert(C->getType()->isFPOrFPVector() &&
+ assert(C->getType()->isFPOrFPVectorTy() &&
"Cannot FNEG a non-floating-point value!");
return get(Instruction::FSub,
ConstantFP::getZeroValueForNegation(C->getType()),
}
Constant* ConstantExpr::getNot(Constant* C) {
- assert(C->getType()->isIntOrIntVector() &&
+ assert(C->getType()->isIntOrIntVectorTy() &&
"Cannot NOT a nonintegral value!");
return get(Instruction::Xor, C, Constant::getAllOnesValue(C->getType()));
}
// destroyConstant - Remove the constant from the constant table...
//
void ConstantExpr::destroyConstant() {
- getType()->getContext().pImpl->ExprConstants.remove(this);
+ getRawType()->getContext().pImpl->ExprConstants.remove(this);
destroyConstantImpl();
}
return Instruction::getOpcodeName(getOpcode());
}
+
+
+GetElementPtrConstantExpr::
+GetElementPtrConstantExpr(Constant *C, const std::vector<Constant*> &IdxList,
+ const Type *DestTy)
+ : ConstantExpr(DestTy, Instruction::GetElementPtr,
+ OperandTraits<GetElementPtrConstantExpr>::op_end(this)
+ - (IdxList.size()+1), IdxList.size()+1) {
+ OperandList[0] = C;
+ for (unsigned i = 0, E = IdxList.size(); i != E; ++i)
+ OperandList[i+1] = IdxList[i];
+}
+
+
//===----------------------------------------------------------------------===//
// replaceUsesOfWithOnConstant implementations
assert(isa<Constant>(To) && "Cannot make Constant refer to non-constant!");
Constant *ToC = cast<Constant>(To);
- LLVMContext &Context = getType()->getContext();
- LLVMContextImpl *pImpl = Context.pImpl;
+ LLVMContextImpl *pImpl = getRawType()->getContext().pImpl;
std::pair<LLVMContextImpl::ArrayConstantsTy::MapKey, ConstantArray*> Lookup;
- Lookup.first.first = getType();
+ Lookup.first.first = cast<ArrayType>(getRawType());
Lookup.second = this;
std::vector<Constant*> &Values = Lookup.first.second;
Constant *Replacement = 0;
if (isAllZeros) {
- Replacement = ConstantAggregateZero::get(getType());
+ Replacement = ConstantAggregateZero::get(getRawType());
} else {
// Check to see if we have this array type already.
bool Exists;
assert(getOperand(OperandToUpdate) == From && "ReplaceAllUsesWith broken!");
std::pair<LLVMContextImpl::StructConstantsTy::MapKey, ConstantStruct*> Lookup;
- Lookup.first.first = getType();
+ Lookup.first.first = cast<StructType>(getRawType());
Lookup.second = this;
std::vector<Constant*> &Values = Lookup.first.second;
Values.reserve(getNumOperands()); // Build replacement struct.
}
Values[OperandToUpdate] = ToC;
- LLVMContext &Context = getType()->getContext();
- LLVMContextImpl *pImpl = Context.pImpl;
+ LLVMContextImpl *pImpl = getRawType()->getContext().pImpl;
Constant *Replacement = 0;
if (isAllZeros) {
- Replacement = ConstantAggregateZero::get(getType());
+ Replacement = ConstantAggregateZero::get(getRawType());
} else {
- // Check to see if we have this array type already.
+ // Check to see if we have this struct type already.
bool Exists;
LLVMContextImpl::StructConstantsTy::MapTy::iterator I =
pImpl->StructConstants.InsertOrGetItem(Lookup, Exists);
void ConstantUnion::replaceUsesOfWithOnConstant(Value *From, Value *To,
Use *U) {
- assert(false && "Implement replaceUsesOfWithOnConstant for unions");
+ assert(isa<Constant>(To) && "Cannot make Constant refer to non-constant!");
+ Constant *ToC = cast<Constant>(To);
+
+ assert(U == OperandList && "Union constants can only have one use!");
+ assert(getNumOperands() == 1 && "Union constants can only have one use!");
+ assert(getOperand(0) == From && "ReplaceAllUsesWith broken!");
+
+ std::pair<LLVMContextImpl::UnionConstantsTy::MapKey, ConstantUnion*> Lookup;
+ Lookup.first.first = cast<UnionType>(getRawType());
+ Lookup.second = this;
+ Lookup.first.second = ToC;
+
+ LLVMContextImpl *pImpl = getRawType()->getContext().pImpl;
+
+ Constant *Replacement = 0;
+ if (ToC->isNullValue()) {
+ Replacement = ConstantAggregateZero::get(getRawType());
+ } else {
+ // Check to see if we have this union type already.
+ bool Exists;
+ LLVMContextImpl::UnionConstantsTy::MapTy::iterator I =
+ pImpl->UnionConstants.InsertOrGetItem(Lookup, Exists);
+
+ if (Exists) {
+ Replacement = I->second;
+ } else {
+ // Okay, the new shape doesn't exist in the system yet. Instead of
+ // creating a new constant union, inserting it, replaceallusesof'ing the
+ // old with the new, then deleting the old... just update the current one
+ // in place!
+ pImpl->UnionConstants.MoveConstantToNewSlot(this, I);
+
+ // Update to the new value.
+ setOperand(0, ToC);
+ return;
+ }
+ }
+
+ assert(Replacement != this && "I didn't contain From!");
+
+ // Everyone using this now uses the replacement.
+ uncheckedReplaceAllUsesWith(Replacement);
+
+ // Delete the old constant!
+ destroyConstant();
}
void ConstantVector::replaceUsesOfWithOnConstant(Value *From, Value *To,
Values.push_back(Val);
}
- Constant *Replacement = get(getType(), Values);
+ Constant *Replacement = get(cast<VectorType>(getRawType()), Values);
assert(Replacement != this && "I didn't contain From!");
// Everyone using this now uses the replacement.
&Indices[0], Indices.size());
} else if (isCast()) {
assert(getOperand(0) == From && "Cast only has one use!");
- Replacement = ConstantExpr::getCast(getOpcode(), To, getType());
+ Replacement = ConstantExpr::getCast(getOpcode(), To, getRawType());
} else if (getOpcode() == Instruction::Select) {
Constant *C1 = getOperand(0);
Constant *C2 = getOperand(1);