//===----------------------------------------------------------------------===//
// Constructor to create a '0' constant of arbitrary type...
-static const uint64_t zero[2] = {0, 0};
Constant *Constant::getNullValue(const Type *Ty) {
switch (Ty->getTypeID()) {
case Type::IntegerTyID:
return ConstantInt::get(Ty, 0);
case Type::FloatTyID:
- return ConstantFP::get(Ty->getContext(), APFloat(APInt(32, 0)));
+ return ConstantFP::get(Ty->getContext(),
+ APFloat::getZero(APFloat::IEEEsingle));
case Type::DoubleTyID:
- return ConstantFP::get(Ty->getContext(), APFloat(APInt(64, 0)));
+ return ConstantFP::get(Ty->getContext(),
+ APFloat::getZero(APFloat::IEEEdouble));
case Type::X86_FP80TyID:
- return ConstantFP::get(Ty->getContext(), APFloat(APInt(80, 2, zero)));
+ return ConstantFP::get(Ty->getContext(),
+ APFloat::getZero(APFloat::x87DoubleExtended));
case Type::FP128TyID:
return ConstantFP::get(Ty->getContext(),
- APFloat(APInt(128, 2, zero), true));
+ APFloat::getZero(APFloat::IEEEquad));
case Type::PPC_FP128TyID:
- return ConstantFP::get(Ty->getContext(), APFloat(APInt(128, 2, zero)));
+ return ConstantFP::get(Ty->getContext(),
+ APFloat(APInt::getNullValue(128)));
case Type::PointerTyID:
return ConstantPointerNull::get(cast<PointerType>(Ty));
case Type::StructTyID:
/// 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)
ConstantInt* ConstantInt::getTrue(LLVMContext &Context) {
LLVMContextImpl *pImpl = Context.pImpl;
- if (pImpl->TheTrueVal)
- return pImpl->TheTrueVal;
- else
- return (pImpl->TheTrueVal =
- ConstantInt::get(IntegerType::get(Context, 1), 1));
+ if (!pImpl->TheTrueVal)
+ pImpl->TheTrueVal = ConstantInt::get(Type::getInt1Ty(Context), 1);
+ return pImpl->TheTrueVal;
}
ConstantInt* ConstantInt::getFalse(LLVMContext &Context) {
LLVMContextImpl *pImpl = Context.pImpl;
- if (pImpl->TheFalseVal)
- return pImpl->TheFalseVal;
- else
- return (pImpl->TheFalseVal =
- ConstantInt::get(IntegerType::get(Context, 1), 0));
+ if (!pImpl->TheFalseVal)
+ pImpl->TheFalseVal = ConstantInt::get(Type::getInt1Ty(Context), 0);
+ return pImpl->TheFalseVal;
}
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]));
return get(Context, std::vector<Constant*>(Vals, Vals+NumVals), Packed);
}
-ConstantUnion::ConstantUnion(const UnionType *T, Constant* V)
- : Constant(T, ConstantUnionVal,
- OperandTraits<ConstantUnion>::op_end(this) - 1, 1) {
- Use *OL = OperandList;
- assert(T->getElementTypeIndex(V->getType()) >= 0 &&
- "Initializer for union element isn't a member of union type!");
- *OL = V;
-}
-
-// ConstantUnion accessors.
-Constant* ConstantUnion::get(const UnionType* T, Constant* V) {
- LLVMContextImpl* pImpl = T->getContext().pImpl;
-
- // Create a ConstantAggregateZero value if all elements are zeros...
- if (!V->isNullValue())
- return pImpl->UnionConstants.getOrCreate(T, V);
-
- return ConstantAggregateZero::get(T);
-}
-
-
ConstantVector::ConstantVector(const VectorType *T,
const std::vector<Constant*> &V)
: Constant(T, ConstantVectorVal,
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->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();
}
// destroyConstant - Remove the constant from the constant table...
//
void ConstantStruct::destroyConstant() {
- getType()->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->StructConstants.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->isIntegerTy() || isa<PointerType>(Ty)) && "Invalid cast");
+ assert(S->getType()->isPointerTy() && "Invalid cast");
+ assert((Ty->isIntegerTy() || Ty->isPointerTy()) && "Invalid cast");
if (Ty->isIntegerTy())
- return getCast(Instruction::PtrToInt, S, Ty);
- return getCast(Instruction::BitCast, S, Ty);
+ return getPtrToInt(S, Ty);
+ return getBitCast(S, Ty);
}
Constant *ConstantExpr::getIntegerCast(Constant *C, const Type *Ty,
}
Constant *ConstantExpr::getPtrToInt(Constant *C, const Type *DstTy) {
- assert(isa<PointerType>(C->getType()) && "PtrToInt source must be pointer");
+ 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()->isIntegerTy() && "IntToPtr source must be integral");
- assert(isa<PointerType>(DstTy) && "IntToPtr destination must be a pointer");
+ 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()->isFPOrFPVectorTy()) {
- 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:
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()->isIntegerTy(32) &&
"Extractelement index must be i32 type!");
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!");
}
Constant* ConstantExpr::getNeg(Constant* C) {
- // API compatibility: Adjust integer opcodes to floating-point opcodes.
- if (C->getType()->isFPOrFPVectorTy())
- return getFNeg(C);
assert(C->getType()->isIntOrIntVectorTy() &&
"Cannot NEG a nonintegral value!");
return get(Instruction::Sub,
// 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);
destroyConstant();
}
-void ConstantUnion::replaceUsesOfWithOnConstant(Value *From, Value *To,
- Use *U) {
- assert(false && "Implement replaceUsesOfWithOnConstant for unions");
-}
-
void ConstantVector::replaceUsesOfWithOnConstant(Value *From, Value *To,
Use *U) {
assert(isa<Constant>(To) && "Cannot make Constant refer to non-constant!");
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);