// Constant Class
//===----------------------------------------------------------------------===//
+bool Constant::isNegativeZeroValue() const {
+ // Floating point values have an explicit -0.0 value.
+ if (const ConstantFP *CFP = dyn_cast<ConstantFP>(this))
+ return CFP->isZero() && CFP->isNegative();
+
+ // Otherwise, just use +0.0.
+ return isNullValue();
+}
+
+bool Constant::isNullValue() const {
+ // 0 is null.
+ if (const ConstantInt *CI = dyn_cast<ConstantInt>(this))
+ return CI->isZero();
+
+ // +0.0 is null.
+ if (const ConstantFP *CFP = dyn_cast<ConstantFP>(this))
+ return CFP->isZero() && !CFP->isNegative();
+
+ // constant zero is zero for aggregates and cpnull is null for pointers.
+ return isa<ConstantAggregateZero>(this) || isa<ConstantPointerNull>(this);
+}
+
+bool Constant::isAllOnesValue() const {
+ // Check for -1 integers
+ if (const ConstantInt *CI = dyn_cast<ConstantInt>(this))
+ return CI->isMinusOne();
+
+ // Check for FP which are bitcasted from -1 integers
+ if (const ConstantFP *CFP = dyn_cast<ConstantFP>(this))
+ return CFP->getValueAPF().bitcastToAPInt().isAllOnesValue();
+
+ // Check for constant vectors
+ if (const ConstantVector *CV = dyn_cast<ConstantVector>(this))
+ return CV->isAllOnesValue();
+
+ return false;
+}
// Constructor to create a '0' constant of arbitrary type...
-Constant *Constant::getNullValue(const Type *Ty) {
+Constant *Constant::getNullValue(Type *Ty) {
switch (Ty->getTypeID()) {
case Type::IntegerTyID:
return ConstantInt::get(Ty, 0);
return ConstantAggregateZero::get(Ty);
default:
// Function, Label, or Opaque type?
- assert(!"Cannot create a null constant of that type!");
+ assert(0 && "Cannot create a null constant of that type!");
return 0;
}
}
-Constant *Constant::getIntegerValue(const Type *Ty, const APInt &V) {
- const Type *ScalarTy = Ty->getScalarType();
+Constant *Constant::getIntegerValue(Type *Ty, const APInt &V) {
+ Type *ScalarTy = Ty->getScalarType();
// Create the base integer constant.
Constant *C = ConstantInt::get(Ty->getContext(), V);
// Convert an integer to a pointer, if necessary.
- if (const PointerType *PTy = dyn_cast<PointerType>(ScalarTy))
+ if (PointerType *PTy = dyn_cast<PointerType>(ScalarTy))
C = ConstantExpr::getIntToPtr(C, PTy);
// Broadcast a scalar to a vector, if necessary.
- if (const VectorType *VTy = dyn_cast<VectorType>(Ty))
+ if (VectorType *VTy = dyn_cast<VectorType>(Ty))
C = ConstantVector::get(std::vector<Constant *>(VTy->getNumElements(), C));
return C;
}
-Constant *Constant::getAllOnesValue(const Type *Ty) {
- if (const IntegerType *ITy = dyn_cast<IntegerType>(Ty))
+Constant *Constant::getAllOnesValue(Type *Ty) {
+ if (IntegerType *ITy = dyn_cast<IntegerType>(Ty))
return ConstantInt::get(Ty->getContext(),
APInt::getAllOnesValue(ITy->getBitWidth()));
}
SmallVector<Constant*, 16> Elts;
- const VectorType *VTy = cast<VectorType>(Ty);
+ VectorType *VTy = cast<VectorType>(Ty);
Elts.resize(VTy->getNumElements(), getAllOnesValue(VTy->getElementType()));
- assert(Elts[0] && "Not a vector integer type!");
+ assert(Elts[0] && "Invalid AllOnes value!");
return cast<ConstantVector>(ConstantVector::get(Elts));
}
return;
}
- const VectorType *VT = cast<VectorType>(getType());
+ VectorType *VT = cast<VectorType>(getType());
if (isa<ConstantAggregateZero>(this)) {
Elts.assign(VT->getNumElements(),
Constant::getNullValue(VT->getElementType()));
// ConstantInt
//===----------------------------------------------------------------------===//
-ConstantInt::ConstantInt(const IntegerType *Ty, const APInt& V)
+ConstantInt::ConstantInt(IntegerType *Ty, const APInt& V)
: Constant(Ty, ConstantIntVal, 0, 0), Val(V) {
assert(V.getBitWidth() == Ty->getBitWidth() && "Invalid constant for type");
}
return pImpl->TheFalseVal;
}
-Constant *ConstantInt::getTrue(const Type *Ty) {
- const VectorType *VTy = dyn_cast<VectorType>(Ty);
+Constant *ConstantInt::getTrue(Type *Ty) {
+ VectorType *VTy = dyn_cast<VectorType>(Ty);
if (!VTy) {
assert(Ty->isIntegerTy(1) && "True must be i1 or vector of i1.");
return ConstantInt::getTrue(Ty->getContext());
return ConstantVector::get(Splat);
}
-Constant *ConstantInt::getFalse(const Type *Ty) {
- const VectorType *VTy = dyn_cast<VectorType>(Ty);
+Constant *ConstantInt::getFalse(Type *Ty) {
+ VectorType *VTy = dyn_cast<VectorType>(Ty);
if (!VTy) {
assert(Ty->isIntegerTy(1) && "False must be i1 or vector of i1.");
return ConstantInt::getFalse(Ty->getContext());
// invariant which generates an assertion.
ConstantInt *ConstantInt::get(LLVMContext &Context, const APInt &V) {
// Get the corresponding integer type for the bit width of the value.
- const IntegerType *ITy = IntegerType::get(Context, V.getBitWidth());
+ IntegerType *ITy = IntegerType::get(Context, V.getBitWidth());
// get an existing value or the insertion position
DenseMapAPIntKeyInfo::KeyTy Key(V, ITy);
ConstantInt *&Slot = Context.pImpl->IntConstants[Key];
return Slot;
}
-Constant *ConstantInt::get(const Type *Ty, uint64_t V, bool isSigned) {
+Constant *ConstantInt::get(Type *Ty, uint64_t V, bool isSigned) {
Constant *C = get(cast<IntegerType>(Ty->getScalarType()), V, isSigned);
// For vectors, broadcast the value.
- if (const VectorType *VTy = dyn_cast<VectorType>(Ty))
+ if (VectorType *VTy = dyn_cast<VectorType>(Ty))
return ConstantVector::get(SmallVector<Constant*,
16>(VTy->getNumElements(), C));
return C;
}
-ConstantInt* ConstantInt::get(const IntegerType* Ty, uint64_t V,
+ConstantInt* ConstantInt::get(IntegerType* Ty, uint64_t V,
bool isSigned) {
return get(Ty->getContext(), APInt(Ty->getBitWidth(), V, isSigned));
}
-ConstantInt* ConstantInt::getSigned(const IntegerType* Ty, int64_t V) {
+ConstantInt* ConstantInt::getSigned(IntegerType* Ty, int64_t V) {
return get(Ty, V, true);
}
-Constant *ConstantInt::getSigned(const Type *Ty, int64_t V) {
+Constant *ConstantInt::getSigned(Type *Ty, int64_t V) {
return get(Ty, V, true);
}
-Constant *ConstantInt::get(const Type* Ty, const APInt& V) {
+Constant *ConstantInt::get(Type* Ty, const APInt& V) {
ConstantInt *C = get(Ty->getContext(), V);
assert(C->getType() == Ty->getScalarType() &&
"ConstantInt type doesn't match the type implied by its value!");
// For vectors, broadcast the value.
- if (const VectorType *VTy = dyn_cast<VectorType>(Ty))
+ if (VectorType *VTy = dyn_cast<VectorType>(Ty))
return ConstantVector::get(
SmallVector<Constant *, 16>(VTy->getNumElements(), C));
return C;
}
-ConstantInt* ConstantInt::get(const IntegerType* Ty, StringRef Str,
+ConstantInt* ConstantInt::get(IntegerType* Ty, StringRef Str,
uint8_t radix) {
return get(Ty->getContext(), APInt(Ty->getBitWidth(), Str, radix));
}
// ConstantFP
//===----------------------------------------------------------------------===//
-static const fltSemantics *TypeToFloatSemantics(const Type *Ty) {
+static const fltSemantics *TypeToFloatSemantics(Type *Ty) {
if (Ty->isFloatTy())
return &APFloat::IEEEsingle;
if (Ty->isDoubleTy())
/// get() - This returns a constant fp for the specified value in the
/// specified type. This should only be used for simple constant values like
/// 2.0/1.0 etc, that are known-valid both as double and as the target format.
-Constant *ConstantFP::get(const Type* Ty, double V) {
+Constant *ConstantFP::get(Type* Ty, double V) {
LLVMContext &Context = Ty->getContext();
APFloat FV(V);
Constant *C = get(Context, FV);
// For vectors, broadcast the value.
- if (const VectorType *VTy = dyn_cast<VectorType>(Ty))
+ if (VectorType *VTy = dyn_cast<VectorType>(Ty))
return ConstantVector::get(
SmallVector<Constant *, 16>(VTy->getNumElements(), C));
}
-Constant *ConstantFP::get(const Type* Ty, StringRef Str) {
+Constant *ConstantFP::get(Type* Ty, StringRef Str) {
LLVMContext &Context = Ty->getContext();
APFloat FV(*TypeToFloatSemantics(Ty->getScalarType()), Str);
Constant *C = get(Context, FV);
// For vectors, broadcast the value.
- if (const VectorType *VTy = dyn_cast<VectorType>(Ty))
+ if (VectorType *VTy = dyn_cast<VectorType>(Ty))
return ConstantVector::get(
SmallVector<Constant *, 16>(VTy->getNumElements(), C));
}
-ConstantFP* ConstantFP::getNegativeZero(const Type* Ty) {
+ConstantFP* ConstantFP::getNegativeZero(Type* Ty) {
LLVMContext &Context = Ty->getContext();
APFloat apf = cast <ConstantFP>(Constant::getNullValue(Ty))->getValueAPF();
apf.changeSign();
}
-Constant *ConstantFP::getZeroValueForNegation(const Type* Ty) {
- if (const VectorType *PTy = dyn_cast<VectorType>(Ty))
+Constant *ConstantFP::getZeroValueForNegation(Type* Ty) {
+ if (VectorType *PTy = dyn_cast<VectorType>(Ty))
if (PTy->getElementType()->isFloatingPointTy()) {
SmallVector<Constant*, 16> zeros(PTy->getNumElements(),
getNegativeZero(PTy->getElementType()));
ConstantFP *&Slot = pImpl->FPConstants[Key];
if (!Slot) {
- const Type *Ty;
+ Type *Ty;
if (&V.getSemantics() == &APFloat::IEEEsingle)
Ty = Type::getFloatTy(Context);
else if (&V.getSemantics() == &APFloat::IEEEdouble)
return Slot;
}
-ConstantFP *ConstantFP::getInfinity(const Type *Ty, bool Negative) {
+ConstantFP *ConstantFP::getInfinity(Type *Ty, bool Negative) {
const fltSemantics &Semantics = *TypeToFloatSemantics(Ty);
return ConstantFP::get(Ty->getContext(),
APFloat::getInf(Semantics, Negative));
}
-ConstantFP::ConstantFP(const Type *Ty, const APFloat& V)
+ConstantFP::ConstantFP(Type *Ty, const APFloat& V)
: Constant(Ty, ConstantFPVal, 0, 0), Val(V) {
assert(&V.getSemantics() == TypeToFloatSemantics(Ty) &&
"FP type Mismatch");
}
-bool ConstantFP::isNullValue() const {
- return Val.isZero() && !Val.isNegative();
-}
-
-bool ConstantFP::isExactlyValue(const APFloat& V) const {
+bool ConstantFP::isExactlyValue(const APFloat &V) const {
return Val.bitwiseIsEqual(V);
}
//===----------------------------------------------------------------------===//
-ConstantArray::ConstantArray(const ArrayType *T,
- const std::vector<Constant*> &V)
+ConstantArray::ConstantArray(ArrayType *T, ArrayRef<Constant *> V)
: Constant(T, ConstantArrayVal,
OperandTraits<ConstantArray>::op_end(this) - V.size(),
V.size()) {
assert(V.size() == T->getNumElements() &&
"Invalid initializer vector for constant array");
- Use *OL = OperandList;
- for (std::vector<Constant*>::const_iterator I = V.begin(), E = V.end();
- I != E; ++I, ++OL) {
- Constant *C = *I;
- assert(C->getType() == T->getElementType() &&
+ for (unsigned i = 0, e = V.size(); i != e; ++i)
+ assert(V[i]->getType() == T->getElementType() &&
"Initializer for array element doesn't match array element type!");
- *OL = C;
- }
+ std::copy(V.begin(), V.end(), op_begin());
}
-Constant *ConstantArray::get(const ArrayType *Ty, ArrayRef<Constant*> V) {
+Constant *ConstantArray::get(ArrayType *Ty, ArrayRef<Constant*> V) {
for (unsigned i = 0, e = V.size(); i != e; ++i) {
assert(V[i]->getType() == Ty->getElementType() &&
"Wrong type in array element initializer");
}
-ConstantStruct::ConstantStruct(const StructType *T,
- const std::vector<Constant*> &V)
+ConstantStruct::ConstantStruct(StructType *T, ArrayRef<Constant *> V)
: Constant(T, ConstantStructVal,
OperandTraits<ConstantStruct>::op_end(this) - V.size(),
V.size()) {
- assert((T->isOpaque() || V.size() == T->getNumElements()) &&
+ assert(V.size() == T->getNumElements() &&
"Invalid initializer vector for constant structure");
- Use *OL = OperandList;
- for (std::vector<Constant*>::const_iterator I = V.begin(), E = V.end();
- I != E; ++I, ++OL) {
- Constant *C = *I;
- assert((T->isOpaque() || C->getType() == T->getElementType(I-V.begin())) &&
+ for (unsigned i = 0, e = V.size(); i != e; ++i)
+ assert((T->isOpaque() || V[i]->getType() == T->getElementType(i)) &&
"Initializer for struct element doesn't match struct element type!");
- *OL = C;
- }
+ std::copy(V.begin(), V.end(), op_begin());
}
// ConstantStruct accessors.
-Constant *ConstantStruct::get(const StructType *ST, ArrayRef<Constant*> V) {
+Constant *ConstantStruct::get(StructType *ST, ArrayRef<Constant*> V) {
// Create a ConstantAggregateZero value if all elements are zeros.
for (unsigned i = 0, e = V.size(); i != e; ++i)
if (!V[i]->isNullValue())
return ConstantAggregateZero::get(ST);
}
-Constant* ConstantStruct::get(const StructType *T, ...) {
+Constant *ConstantStruct::get(StructType *T, ...) {
va_list ap;
SmallVector<Constant*, 8> Values;
va_start(ap, T);
return get(T, Values);
}
-ConstantVector::ConstantVector(const VectorType *T,
- const std::vector<Constant*> &V)
+ConstantVector::ConstantVector(VectorType *T, ArrayRef<Constant *> V)
: Constant(T, ConstantVectorVal,
OperandTraits<ConstantVector>::op_end(this) - V.size(),
V.size()) {
- Use *OL = OperandList;
- for (std::vector<Constant*>::const_iterator I = V.begin(), E = V.end();
- I != E; ++I, ++OL) {
- Constant *C = *I;
- assert(C->getType() == T->getElementType() &&
+ for (size_t i = 0, e = V.size(); i != e; i++)
+ assert(V[i]->getType() == T->getElementType() &&
"Initializer for vector element doesn't match vector element type!");
- *OL = C;
- }
+ std::copy(V.begin(), V.end(), op_begin());
}
// ConstantVector accessors.
Constant *ConstantVector::get(ArrayRef<Constant*> V) {
assert(!V.empty() && "Vectors can't be empty");
- const VectorType *T = VectorType::get(V.front()->getType(), V.size());
+ VectorType *T = VectorType::get(V.front()->getType(), V.size());
LLVMContextImpl *pImpl = T->getContext().pImpl;
// If this is an all-undef or all-zero vector, return a
for (; GEPI != E; ++GEPI, ++OI) {
ConstantInt *CI = dyn_cast<ConstantInt>(*OI);
if (!CI) return false;
- if (const ArrayType *ATy = dyn_cast<ArrayType>(*GEPI))
+ if (ArrayType *ATy = dyn_cast<ArrayType>(*GEPI))
if (CI->getValue().getActiveBits() > 64 ||
CI->getZExtValue() >= ATy->getNumElements())
return false;
}
unsigned ConstantExpr::getPredicate() const {
- assert(getOpcode() == Instruction::FCmp ||
- getOpcode() == Instruction::ICmp);
+ assert(isCompare());
return ((const CompareConstantExpr*)this)->predicate;
}
for (unsigned i = 1, e = getNumOperands(); i != e; ++i)
Ops[i-1] = getOperand(i);
if (OpNo == 0)
- return cast<GEPOperator>(this)->isInBounds() ?
- ConstantExpr::getInBoundsGetElementPtr(Op, &Ops[0], Ops.size()) :
- ConstantExpr::getGetElementPtr(Op, &Ops[0], Ops.size());
+ return
+ ConstantExpr::getGetElementPtr(Op, Ops,
+ cast<GEPOperator>(this)->isInBounds());
Ops[OpNo-1] = Op;
- return cast<GEPOperator>(this)->isInBounds() ?
- ConstantExpr::getInBoundsGetElementPtr(getOperand(0), &Ops[0],Ops.size()):
- ConstantExpr::getGetElementPtr(getOperand(0), &Ops[0], Ops.size());
+ return
+ ConstantExpr::getGetElementPtr(getOperand(0), Ops,
+ cast<GEPOperator>(this)->isInBounds());
}
default:
assert(getNumOperands() == 2 && "Must be binary operator?");
/// operands replaced with the specified values. The specified array must
/// have the same number of operands as our current one.
Constant *ConstantExpr::
-getWithOperands(ArrayRef<Constant*> Ops, const Type *Ty) const {
+getWithOperands(ArrayRef<Constant*> Ops, Type *Ty) const {
assert(Ops.size() == getNumOperands() && "Operand count mismatch!");
bool AnyChange = Ty != getType();
for (unsigned i = 0; i != Ops.size(); ++i)
case Instruction::ShuffleVector:
return ConstantExpr::getShuffleVector(Ops[0], Ops[1], Ops[2]);
case Instruction::GetElementPtr:
- return cast<GEPOperator>(this)->isInBounds() ?
- ConstantExpr::getInBoundsGetElementPtr(Ops[0], &Ops[1], Ops.size()-1) :
- ConstantExpr::getGetElementPtr(Ops[0], &Ops[1], Ops.size()-1);
+ return
+ ConstantExpr::getGetElementPtr(Ops[0], Ops.slice(1),
+ cast<GEPOperator>(this)->isInBounds());
case Instruction::ICmp:
case Instruction::FCmp:
return ConstantExpr::getCompare(getPredicate(), Ops[0], Ops[1]);
//===----------------------------------------------------------------------===//
// isValueValidForType implementations
-bool ConstantInt::isValueValidForType(const Type *Ty, uint64_t Val) {
+bool ConstantInt::isValueValidForType(Type *Ty, uint64_t Val) {
unsigned NumBits = cast<IntegerType>(Ty)->getBitWidth(); // assert okay
if (Ty == Type::getInt1Ty(Ty->getContext()))
return Val == 0 || Val == 1;
return Val <= Max;
}
-bool ConstantInt::isValueValidForType(const Type *Ty, int64_t Val) {
+bool ConstantInt::isValueValidForType(Type *Ty, int64_t Val) {
unsigned NumBits = cast<IntegerType>(Ty)->getBitWidth(); // assert okay
if (Ty == Type::getInt1Ty(Ty->getContext()))
return Val == 0 || Val == 1 || Val == -1;
return (Val >= Min && Val <= Max);
}
-bool ConstantFP::isValueValidForType(const Type *Ty, const APFloat& Val) {
+bool ConstantFP::isValueValidForType(Type *Ty, const APFloat& Val) {
// convert modifies in place, so make a copy.
APFloat Val2 = APFloat(Val);
bool losesInfo;
//===----------------------------------------------------------------------===//
// Factory Function Implementation
-ConstantAggregateZero* ConstantAggregateZero::get(const Type* Ty) {
+ConstantAggregateZero* ConstantAggregateZero::get(Type* Ty) {
assert((Ty->isStructTy() || Ty->isArrayTy() || Ty->isVectorTy()) &&
"Cannot create an aggregate zero of non-aggregate type!");
/// convertToString - Helper function for getAsString() and getAsCString().
-static std::string convertToString(const User *U, unsigned len)
-{
+static std::string convertToString(const User *U, unsigned len) {
std::string Result;
Result.reserve(len);
for (unsigned i = 0; i != len; ++i)
//---- ConstantStruct::get() implementation...
//
-namespace llvm {
-
-}
-
// destroyConstant - Remove the constant from the constant table...
//
void ConstantStruct::destroyConstant() {
/// This function will return true iff every element in this vector constant
/// is set to all ones.
-/// @returns true iff this constant's emements are all set to all ones.
+/// @returns true iff this constant's elements are all set to all ones.
/// @brief Determine if the value is all ones.
bool ConstantVector::isAllOnesValue() const {
// Check out first element.
const Constant *Elt = getOperand(0);
const ConstantInt *CI = dyn_cast<ConstantInt>(Elt);
- if (!CI || !CI->isAllOnesValue()) return false;
+ const ConstantFP *CF = dyn_cast<ConstantFP>(Elt);
+
// Then make sure all remaining elements point to the same value.
- for (unsigned I = 1, E = getNumOperands(); I < E; ++I) {
- if (getOperand(I) != Elt) return false;
- }
- return true;
+ for (unsigned I = 1, E = getNumOperands(); I < E; ++I)
+ if (getOperand(I) != Elt)
+ return false;
+
+ // First value is all-ones.
+ return (CI && CI->isAllOnesValue()) ||
+ (CF && CF->isAllOnesValue());
}
/// getSplatValue - If this is a splat constant, where all of the
Constant *Elt = getOperand(0);
// Then make sure all remaining elements point to the same value.
for (unsigned I = 1, E = getNumOperands(); I < E; ++I)
- if (getOperand(I) != Elt) return 0;
+ if (getOperand(I) != Elt)
+ return 0;
return Elt;
}
//---- ConstantPointerNull::get() implementation.
//
-ConstantPointerNull *ConstantPointerNull::get(const PointerType *Ty) {
+ConstantPointerNull *ConstantPointerNull::get(PointerType *Ty) {
return Ty->getContext().pImpl->NullPtrConstants.getOrCreate(Ty, 0);
}
//---- UndefValue::get() implementation.
//
-UndefValue *UndefValue::get(const Type *Ty) {
+UndefValue *UndefValue::get(Type *Ty) {
return Ty->getContext().pImpl->UndefValueConstants.getOrCreate(Ty, 0);
}
assert(NewBA != this && "I didn't contain From!");
// Everyone using this now uses the replacement.
- uncheckedReplaceAllUsesWith(NewBA);
+ replaceAllUsesWith(NewBA);
destroyConstant();
}
/// This is a utility function to handle folding of casts and lookup of the
/// cast in the ExprConstants map. It is used by the various get* methods below.
static inline Constant *getFoldedCast(
- Instruction::CastOps opc, Constant *C, const Type *Ty) {
+ Instruction::CastOps opc, Constant *C, Type *Ty) {
assert(Ty->isFirstClassType() && "Cannot cast to an aggregate type!");
// Fold a few common cases
if (Constant *FC = ConstantFoldCastInstruction(opc, C, Ty))
return pImpl->ExprConstants.getOrCreate(Ty, Key);
}
-Constant *ConstantExpr::getCast(unsigned oc, Constant *C, const Type *Ty) {
+Constant *ConstantExpr::getCast(unsigned oc, Constant *C, Type *Ty) {
Instruction::CastOps opc = Instruction::CastOps(oc);
assert(Instruction::isCast(opc) && "opcode out of range");
assert(C && Ty && "Null arguments to getCast");
return 0;
}
-Constant *ConstantExpr::getZExtOrBitCast(Constant *C, const Type *Ty) {
+Constant *ConstantExpr::getZExtOrBitCast(Constant *C, Type *Ty) {
if (C->getType()->getScalarSizeInBits() == Ty->getScalarSizeInBits())
return getBitCast(C, Ty);
return getZExt(C, Ty);
}
-Constant *ConstantExpr::getSExtOrBitCast(Constant *C, const Type *Ty) {
+Constant *ConstantExpr::getSExtOrBitCast(Constant *C, Type *Ty) {
if (C->getType()->getScalarSizeInBits() == Ty->getScalarSizeInBits())
return getBitCast(C, Ty);
return getSExt(C, Ty);
}
-Constant *ConstantExpr::getTruncOrBitCast(Constant *C, const Type *Ty) {
+Constant *ConstantExpr::getTruncOrBitCast(Constant *C, Type *Ty) {
if (C->getType()->getScalarSizeInBits() == Ty->getScalarSizeInBits())
return getBitCast(C, Ty);
return getTrunc(C, Ty);
}
-Constant *ConstantExpr::getPointerCast(Constant *S, const Type *Ty) {
+Constant *ConstantExpr::getPointerCast(Constant *S, Type *Ty) {
assert(S->getType()->isPointerTy() && "Invalid cast");
assert((Ty->isIntegerTy() || Ty->isPointerTy()) && "Invalid cast");
return getBitCast(S, Ty);
}
-Constant *ConstantExpr::getIntegerCast(Constant *C, const Type *Ty,
+Constant *ConstantExpr::getIntegerCast(Constant *C, Type *Ty,
bool isSigned) {
assert(C->getType()->isIntOrIntVectorTy() &&
Ty->isIntOrIntVectorTy() && "Invalid cast");
return getCast(opcode, C, Ty);
}
-Constant *ConstantExpr::getFPCast(Constant *C, const Type *Ty) {
+Constant *ConstantExpr::getFPCast(Constant *C, Type *Ty) {
assert(C->getType()->isFPOrFPVectorTy() && Ty->isFPOrFPVectorTy() &&
"Invalid cast");
unsigned SrcBits = C->getType()->getScalarSizeInBits();
return getCast(opcode, C, Ty);
}
-Constant *ConstantExpr::getTrunc(Constant *C, const Type *Ty) {
+Constant *ConstantExpr::getTrunc(Constant *C, Type *Ty) {
#ifndef NDEBUG
bool fromVec = C->getType()->getTypeID() == Type::VectorTyID;
bool toVec = Ty->getTypeID() == Type::VectorTyID;
return getFoldedCast(Instruction::Trunc, C, Ty);
}
-Constant *ConstantExpr::getSExt(Constant *C, const Type *Ty) {
+Constant *ConstantExpr::getSExt(Constant *C, Type *Ty) {
#ifndef NDEBUG
bool fromVec = C->getType()->getTypeID() == Type::VectorTyID;
bool toVec = Ty->getTypeID() == Type::VectorTyID;
return getFoldedCast(Instruction::SExt, C, Ty);
}
-Constant *ConstantExpr::getZExt(Constant *C, const Type *Ty) {
+Constant *ConstantExpr::getZExt(Constant *C, Type *Ty) {
#ifndef NDEBUG
bool fromVec = C->getType()->getTypeID() == Type::VectorTyID;
bool toVec = Ty->getTypeID() == Type::VectorTyID;
return getFoldedCast(Instruction::ZExt, C, Ty);
}
-Constant *ConstantExpr::getFPTrunc(Constant *C, const Type *Ty) {
+Constant *ConstantExpr::getFPTrunc(Constant *C, Type *Ty) {
#ifndef NDEBUG
bool fromVec = C->getType()->getTypeID() == Type::VectorTyID;
bool toVec = Ty->getTypeID() == Type::VectorTyID;
return getFoldedCast(Instruction::FPTrunc, C, Ty);
}
-Constant *ConstantExpr::getFPExtend(Constant *C, const Type *Ty) {
+Constant *ConstantExpr::getFPExtend(Constant *C, Type *Ty) {
#ifndef NDEBUG
bool fromVec = C->getType()->getTypeID() == Type::VectorTyID;
bool toVec = Ty->getTypeID() == Type::VectorTyID;
return getFoldedCast(Instruction::FPExt, C, Ty);
}
-Constant *ConstantExpr::getUIToFP(Constant *C, const Type *Ty) {
+Constant *ConstantExpr::getUIToFP(Constant *C, Type *Ty) {
#ifndef NDEBUG
bool fromVec = C->getType()->getTypeID() == Type::VectorTyID;
bool toVec = Ty->getTypeID() == Type::VectorTyID;
return getFoldedCast(Instruction::UIToFP, C, Ty);
}
-Constant *ConstantExpr::getSIToFP(Constant *C, const Type *Ty) {
+Constant *ConstantExpr::getSIToFP(Constant *C, Type *Ty) {
#ifndef NDEBUG
bool fromVec = C->getType()->getTypeID() == Type::VectorTyID;
bool toVec = Ty->getTypeID() == Type::VectorTyID;
return getFoldedCast(Instruction::SIToFP, C, Ty);
}
-Constant *ConstantExpr::getFPToUI(Constant *C, const Type *Ty) {
+Constant *ConstantExpr::getFPToUI(Constant *C, Type *Ty) {
#ifndef NDEBUG
bool fromVec = C->getType()->getTypeID() == Type::VectorTyID;
bool toVec = Ty->getTypeID() == Type::VectorTyID;
return getFoldedCast(Instruction::FPToUI, C, Ty);
}
-Constant *ConstantExpr::getFPToSI(Constant *C, const Type *Ty) {
+Constant *ConstantExpr::getFPToSI(Constant *C, Type *Ty) {
#ifndef NDEBUG
bool fromVec = C->getType()->getTypeID() == Type::VectorTyID;
bool toVec = Ty->getTypeID() == Type::VectorTyID;
return getFoldedCast(Instruction::FPToSI, C, Ty);
}
-Constant *ConstantExpr::getPtrToInt(Constant *C, const Type *DstTy) {
+Constant *ConstantExpr::getPtrToInt(Constant *C, Type *DstTy) {
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) {
+Constant *ConstantExpr::getIntToPtr(Constant *C, Type *DstTy) {
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::getBitCast(Constant *C, const Type *DstTy) {
+Constant *ConstantExpr::getBitCast(Constant *C, Type *DstTy) {
assert(CastInst::castIsValid(Instruction::BitCast, C, DstTy) &&
"Invalid constantexpr bitcast!");
return pImpl->ExprConstants.getOrCreate(C1->getType(), Key);
}
-Constant *ConstantExpr::getSizeOf(const Type* Ty) {
+Constant *ConstantExpr::getSizeOf(Type* Ty) {
// sizeof is implemented as: (i64) gep (Ty*)null, 1
// Note that a non-inbounds gep is used, as null isn't within any object.
Constant *GEPIdx = ConstantInt::get(Type::getInt32Ty(Ty->getContext()), 1);
Constant *GEP = getGetElementPtr(
- Constant::getNullValue(PointerType::getUnqual(Ty)), &GEPIdx, 1);
+ Constant::getNullValue(PointerType::getUnqual(Ty)), GEPIdx);
return getPtrToInt(GEP,
Type::getInt64Ty(Ty->getContext()));
}
-Constant *ConstantExpr::getAlignOf(const Type* Ty) {
+Constant *ConstantExpr::getAlignOf(Type* Ty) {
// alignof is implemented as: (i64) gep ({i1,Ty}*)null, 0, 1
// Note that a non-inbounds gep is used, as null isn't within any object.
- const Type *AligningTy =
+ Type *AligningTy =
StructType::get(Type::getInt1Ty(Ty->getContext()), Ty, NULL);
Constant *NullPtr = Constant::getNullValue(AligningTy->getPointerTo());
Constant *Zero = ConstantInt::get(Type::getInt64Ty(Ty->getContext()), 0);
Constant *One = ConstantInt::get(Type::getInt32Ty(Ty->getContext()), 1);
Constant *Indices[2] = { Zero, One };
- Constant *GEP = getGetElementPtr(NullPtr, Indices, 2);
+ Constant *GEP = getGetElementPtr(NullPtr, Indices);
return getPtrToInt(GEP,
Type::getInt64Ty(Ty->getContext()));
}
-Constant *ConstantExpr::getOffsetOf(const StructType* STy, unsigned FieldNo) {
+Constant *ConstantExpr::getOffsetOf(StructType* STy, unsigned FieldNo) {
return getOffsetOf(STy, ConstantInt::get(Type::getInt32Ty(STy->getContext()),
FieldNo));
}
-Constant *ConstantExpr::getOffsetOf(const Type* Ty, Constant *FieldNo) {
+Constant *ConstantExpr::getOffsetOf(Type* Ty, Constant *FieldNo) {
// offsetof is implemented as: (i64) gep (Ty*)null, 0, FieldNo
// Note that a non-inbounds gep is used, as null isn't within any object.
Constant *GEPIdx[] = {
FieldNo
};
Constant *GEP = getGetElementPtr(
- Constant::getNullValue(PointerType::getUnqual(Ty)), GEPIdx, 2);
+ Constant::getNullValue(PointerType::getUnqual(Ty)), GEPIdx);
return getPtrToInt(GEP,
Type::getInt64Ty(Ty->getContext()));
}
return pImpl->ExprConstants.getOrCreate(V1->getType(), Key);
}
-Constant *ConstantExpr::getGetElementPtr(Constant *C, Value* const *Idxs,
- unsigned NumIdx, bool InBounds) {
- if (Constant *FC = ConstantFoldGetElementPtr(C, InBounds, Idxs, NumIdx))
+Constant *ConstantExpr::getGetElementPtr(Constant *C, ArrayRef<Value *> Idxs,
+ bool InBounds) {
+ if (Constant *FC = ConstantFoldGetElementPtr(C, InBounds, Idxs))
return FC; // Fold a few common cases.
// Get the result type of the getelementptr!
- const Type *Ty =
- GetElementPtrInst::getIndexedType(C->getType(), Idxs, Idxs+NumIdx);
+ Type *Ty = GetElementPtrInst::getIndexedType(C->getType(), Idxs);
assert(Ty && "GEP indices invalid!");
unsigned AS = cast<PointerType>(C->getType())->getAddressSpace();
Type *ReqTy = Ty->getPointerTo(AS);
"Non-pointer type for constant GetElementPtr expression");
// Look up the constant in the table first to ensure uniqueness
std::vector<Constant*> ArgVec;
- ArgVec.reserve(NumIdx+1);
+ ArgVec.reserve(1 + Idxs.size());
ArgVec.push_back(C);
- for (unsigned i = 0; i != NumIdx; ++i)
+ for (unsigned i = 0, e = Idxs.size(); i != e; ++i)
ArgVec.push_back(cast<Constant>(Idxs[i]));
const ExprMapKeyType Key(Instruction::GetElementPtr, ArgVec, 0,
InBounds ? GEPOperator::IsInBounds : 0);
// Get the key type with both the opcode and predicate
const ExprMapKeyType Key(Instruction::ICmp, ArgVec, pred);
- const Type *ResultTy = Type::getInt1Ty(LHS->getContext());
- if (const VectorType *VT = dyn_cast<VectorType>(LHS->getType()))
+ Type *ResultTy = Type::getInt1Ty(LHS->getContext());
+ if (VectorType *VT = dyn_cast<VectorType>(LHS->getType()))
ResultTy = VectorType::get(ResultTy, VT->getNumElements());
LLVMContextImpl *pImpl = LHS->getType()->getContext().pImpl;
// Get the key type with both the opcode and predicate
const ExprMapKeyType Key(Instruction::FCmp, ArgVec, pred);
- const Type *ResultTy = Type::getInt1Ty(LHS->getContext());
- if (const VectorType *VT = dyn_cast<VectorType>(LHS->getType()))
+ Type *ResultTy = Type::getInt1Ty(LHS->getContext());
+ if (VectorType *VT = dyn_cast<VectorType>(LHS->getType()))
ResultTy = VectorType::get(ResultTy, VT->getNumElements());
LLVMContextImpl *pImpl = LHS->getType()->getContext().pImpl;
return FC; // Fold a few common cases.
unsigned NElts = cast<VectorType>(Mask->getType())->getNumElements();
- const Type *EltTy = cast<VectorType>(V1->getType())->getElementType();
- const Type *ShufTy = VectorType::get(EltTy, NElts);
+ Type *EltTy = cast<VectorType>(V1->getType())->getElementType();
+ Type *ShufTy = VectorType::get(EltTy, NElts);
// Look up the constant in the table first to ensure uniqueness
std::vector<Constant*> ArgVec(1, V1);
}
Constant *ConstantExpr::getInsertValue(Constant *Agg, Constant *Val,
- const unsigned *Idxs, unsigned NumIdx) {
- assert(Agg->getType()->isFirstClassType() &&
- "Tried to create insertelement operation on non-first-class type!");
-
- const Type *ReqTy = Agg->getType();
- (void)ReqTy;
-#ifndef NDEBUG
- const Type *ValTy =
- ExtractValueInst::getIndexedType(Agg->getType(), Idxs, Idxs+NumIdx);
- assert(ValTy == Val->getType() && "insertvalue indices invalid!");
-#endif
-
- assert(ExtractValueInst::getIndexedType(Agg->getType(), Idxs,
- Idxs+NumIdx) == Val->getType() &&
+ ArrayRef<unsigned> Idxs) {
+ assert(ExtractValueInst::getIndexedType(Agg->getType(),
+ Idxs) == Val->getType() &&
"insertvalue indices invalid!");
- assert(Agg->getType() == ReqTy &&
- "insertvalue type invalid!");
assert(Agg->getType()->isFirstClassType() &&
- "Non-first-class type for constant InsertValue expression");
- Constant *FC = ConstantFoldInsertValueInstruction(Agg, Val, Idxs, NumIdx);
- assert(FC && "InsertValue constant expr couldn't be folded!");
+ "Non-first-class type for constant insertvalue expression");
+ Constant *FC = ConstantFoldInsertValueInstruction(Agg, Val, Idxs);
+ assert(FC && "insertvalue constant expr couldn't be folded!");
return FC;
}
Constant *ConstantExpr::getExtractValue(Constant *Agg,
- const unsigned *Idxs, unsigned NumIdx) {
+ ArrayRef<unsigned> Idxs) {
assert(Agg->getType()->isFirstClassType() &&
"Tried to create extractelement operation on non-first-class type!");
- const Type *ReqTy =
- ExtractValueInst::getIndexedType(Agg->getType(), Idxs, Idxs+NumIdx);
+ Type *ReqTy = ExtractValueInst::getIndexedType(Agg->getType(), Idxs);
(void)ReqTy;
assert(ReqTy && "extractvalue indices invalid!");
assert(Agg->getType()->isFirstClassType() &&
"Non-first-class type for constant extractvalue expression");
- Constant *FC = ConstantFoldExtractValueInstruction(Agg, Idxs, NumIdx);
+ Constant *FC = ConstantFoldExtractValueInstruction(Agg, Idxs);
assert(FC && "ExtractValue constant expr couldn't be folded!");
return FC;
}
GetElementPtrConstantExpr::
GetElementPtrConstantExpr(Constant *C, const std::vector<Constant*> &IdxList,
- const Type *DestTy)
+ Type *DestTy)
: ConstantExpr(DestTy, Instruction::GetElementPtr,
OperandTraits<GetElementPtrConstantExpr>::op_end(this)
- (IdxList.size()+1), IdxList.size()+1) {
assert(Replacement != this && "I didn't contain From!");
// Everyone using this now uses the replacement.
- uncheckedReplaceAllUsesWith(Replacement);
+ replaceAllUsesWith(Replacement);
// Delete the old constant!
destroyConstant();
assert(Replacement != this && "I didn't contain From!");
// Everyone using this now uses the replacement.
- uncheckedReplaceAllUsesWith(Replacement);
+ replaceAllUsesWith(Replacement);
// Delete the old constant!
destroyConstant();
assert(Replacement != this && "I didn't contain From!");
// Everyone using this now uses the replacement.
- uncheckedReplaceAllUsesWith(Replacement);
+ replaceAllUsesWith(Replacement);
// Delete the old constant!
destroyConstant();
if (Val == From) Val = To;
Indices.push_back(Val);
}
- Replacement = ConstantExpr::getGetElementPtr(Pointer,
- &Indices[0], Indices.size(),
+ Replacement = ConstantExpr::getGetElementPtr(Pointer, Indices,
cast<GEPOperator>(this)->isInBounds());
} else if (getOpcode() == Instruction::ExtractValue) {
Constant *Agg = getOperand(0);
if (Agg == From) Agg = To;
ArrayRef<unsigned> Indices = getIndices();
- Replacement = ConstantExpr::getExtractValue(Agg,
- &Indices[0], Indices.size());
+ Replacement = ConstantExpr::getExtractValue(Agg, Indices);
} else if (getOpcode() == Instruction::InsertValue) {
Constant *Agg = getOperand(0);
Constant *Val = getOperand(1);
if (Val == From) Val = To;
ArrayRef<unsigned> Indices = getIndices();
- Replacement = ConstantExpr::getInsertValue(Agg, Val,
- &Indices[0], Indices.size());
+ Replacement = ConstantExpr::getInsertValue(Agg, Val, Indices);
} else if (isCast()) {
assert(getOperand(0) == From && "Cast only has one use!");
Replacement = ConstantExpr::getCast(getOpcode(), To, getType());
assert(Replacement != this && "I didn't contain From!");
// Everyone using this now uses the replacement.
- uncheckedReplaceAllUsesWith(Replacement);
+ replaceAllUsesWith(Replacement);
// Delete the old constant!
destroyConstant();