//
//===----------------------------------------------------------------------===//
//
-// This file implements the Constant* classes...
+// This file implements the Constant* classes.
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Support/GetElementPtrTypeIterator.h"
-#include "llvm/System/Mutex.h"
-#include "llvm/System/RWMutex.h"
-#include "llvm/System/Threading.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/STLExtras.h"
#include <algorithm>
-#include <map>
+#include <cstdarg>
using namespace llvm;
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// Constructor to create a '0' constant of arbitrary type...
-static const uint64_t zero[2] = {0, 0};
-Constant* Constant::getNullValue(const Type* Ty) {
+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:
}
}
-Constant* Constant::getIntegerValue(const Type* Ty, const APInt &V) {
+Constant *Constant::getIntegerValue(const Type *Ty, const APInt &V) {
const Type *ScalarTy = Ty->getScalarType();
// Create the base integer constant.
return C;
}
-Constant* Constant::getAllOnesValue(const Type* Ty) {
- if (const IntegerType* ITy = dyn_cast<IntegerType>(Ty))
+Constant *Constant::getAllOnesValue(const Type *Ty) {
+ if (const IntegerType *ITy = dyn_cast<IntegerType>(Ty))
return ConstantInt::get(Ty->getContext(),
APInt::getAllOnesValue(ITy->getBitWidth()));
-
- std::vector<Constant*> Elts;
- const VectorType* VTy = cast<VectorType>(Ty);
+
+ if (Ty->isFloatingPointTy()) {
+ APFloat FL = APFloat::getAllOnesValue(Ty->getPrimitiveSizeInBits(),
+ !Ty->isPPC_FP128Ty());
+ return ConstantFP::get(Ty->getContext(), FL);
+ }
+
+ SmallVector<Constant*, 16> Elts;
+ const VectorType *VTy = cast<VectorType>(Ty);
Elts.resize(VTy->getNumElements(), getAllOnesValue(VTy->getElementType()));
assert(Elts[0] && "Not a vector integer type!");
return cast<ConstantVector>(ConstantVector::get(Elts));
Value *V = use_back();
#ifndef NDEBUG // Only in -g mode...
if (!isa<Constant>(V)) {
- errs() << "While deleting: " << *this
+ dbgs() << "While deleting: " << *this
<< "\n\nUse still stuck around after Def is destroyed: "
<< *V << "\n\n";
}
// ConstantExpr traps if any operands can trap.
for (unsigned i = 0, e = getNumOperands(); i != e; ++i)
- if (getOperand(i)->canTrap())
+ if (CE->getOperand(i)->canTrap())
return true;
// Otherwise, only specific operations can trap.
case Instruction::SRem:
case Instruction::FRem:
// Div and rem can trap if the RHS is not known to be non-zero.
- if (!isa<ConstantInt>(getOperand(1)) || getOperand(1)->isNullValue())
+ if (!isa<ConstantInt>(CE->getOperand(1)) ||CE->getOperand(1)->isNullValue())
return true;
return false;
}
}
+/// isConstantUsed - Return true if the constant has users other than constant
+/// exprs and other dangling things.
+bool Constant::isConstantUsed() const {
+ 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;
+
+ if (UC->isConstantUsed())
+ return true;
+ }
+ return false;
+}
+
+
/// getRelocationInfo - This method classifies the entry according to
/// whether or not it may generate a relocation entry. This must be
return GlobalRelocations; // Global reference.
}
+ if (const BlockAddress *BA = dyn_cast<BlockAddress>(this))
+ return BA->getFunction()->getRelocationInfo();
+
+ // While raw uses of blockaddress need to be relocated, differences between
+ // two of them don't when they are for labels in the same function. This is a
+ // common idiom when creating a table for the indirect goto extension, so we
+ // handle it efficiently here.
+ if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(this))
+ if (CE->getOpcode() == Instruction::Sub) {
+ ConstantExpr *LHS = dyn_cast<ConstantExpr>(CE->getOperand(0));
+ ConstantExpr *RHS = dyn_cast<ConstantExpr>(CE->getOperand(1));
+ if (LHS && RHS &&
+ LHS->getOpcode() == Instruction::PtrToInt &&
+ RHS->getOpcode() == Instruction::PtrToInt &&
+ isa<BlockAddress>(LHS->getOperand(0)) &&
+ isa<BlockAddress>(RHS->getOperand(0)) &&
+ cast<BlockAddress>(LHS->getOperand(0))->getFunction() ==
+ cast<BlockAddress>(RHS->getOperand(0))->getFunction())
+ return NoRelocation;
+ }
+
PossibleRelocationsTy Result = NoRelocation;
for (unsigned i = 0, e = getNumOperands(); i != e; ++i)
- Result = std::max(Result, getOperand(i)->getRelocationInfo());
+ Result = std::max(Result,
+ cast<Constant>(getOperand(i))->getRelocationInfo());
return Result;
}
/// type, returns the elements of the vector in the specified smallvector.
/// 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(LLVMContext &Context,
- SmallVectorImpl<Constant*> &Elts) const {
- assert(isa<VectorType>(getType()) && "Not a vector constant!");
+void Constant::getVectorElements(SmallVectorImpl<Constant*> &Elts) const {
+ 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)
}
+/// removeDeadUsersOfConstant - If the specified constantexpr is dead, remove
+/// it. This involves recursively eliminating any dead users of the
+/// constantexpr.
+static bool removeDeadUsersOfConstant(const Constant *C) {
+ if (isa<GlobalValue>(C)) return false; // Cannot remove this
+
+ while (!C->use_empty()) {
+ const Constant *User = dyn_cast<Constant>(C->use_back());
+ if (!User) return false; // Non-constant usage;
+ if (!removeDeadUsersOfConstant(User))
+ return false; // Constant wasn't dead
+ }
+
+ const_cast<Constant*>(C)->destroyConstant();
+ return true;
+}
+
+
+/// removeDeadConstantUsers - If there are any dead constant users dangling
+/// off of this constant, remove them. This method is useful for clients
+/// that want to check to see if a global is unused, but don't want to deal
+/// with potentially dead constants hanging off of the globals.
+void Constant::removeDeadConstantUsers() const {
+ Value::const_use_iterator I = use_begin(), E = use_end();
+ Value::const_use_iterator LastNonDeadUser = E;
+ while (I != E) {
+ const Constant *User = dyn_cast<Constant>(*I);
+ if (User == 0) {
+ LastNonDeadUser = I;
+ ++I;
+ continue;
+ }
+
+ if (!removeDeadUsersOfConstant(User)) {
+ // If the constant wasn't dead, remember that this was the last live use
+ // and move on to the next constant.
+ LastNonDeadUser = I;
+ ++I;
+ continue;
+ }
+
+ // If the constant was dead, then the iterator is invalidated.
+ if (LastNonDeadUser == E) {
+ I = use_begin();
+ if (I == E) break;
+ } else {
+ I = LastNonDeadUser;
+ ++I;
+ }
+ }
+}
+
+
//===----------------------------------------------------------------------===//
// ConstantInt
assert(V.getBitWidth() == Ty->getBitWidth() && "Invalid constant for type");
}
-ConstantInt* ConstantInt::getTrue(LLVMContext &Context) {
+ConstantInt *ConstantInt::getTrue(LLVMContext &Context) {
LLVMContextImpl *pImpl = Context.pImpl;
- sys::SmartScopedWriter<true>(pImpl->ConstantsLock);
- 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) {
+ConstantInt *ConstantInt::getFalse(LLVMContext &Context) {
LLVMContextImpl *pImpl = Context.pImpl;
- sys::SmartScopedWriter<true>(pImpl->ConstantsLock);
- 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 *ConstantInt::getTrue(const Type *Ty) {
+ const 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());
+ }
+ assert(VTy->getElementType()->isIntegerTy(1) &&
+ "True must be vector of i1 or i1.");
+ SmallVector<Constant*, 16> Splat(VTy->getNumElements(),
+ ConstantInt::getTrue(Ty->getContext()));
+ return ConstantVector::get(Splat);
+}
+
+Constant *ConstantInt::getFalse(const Type *Ty) {
+ const 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());
+ }
+ assert(VTy->getElementType()->isIntegerTy(1) &&
+ "False must be vector of i1 or i1.");
+ SmallVector<Constant*, 16> Splat(VTy->getNumElements(),
+ ConstantInt::getFalse(Ty->getContext()));
+ return ConstantVector::get(Splat);
}
// operator== and operator!= to ensure that the DenseMap doesn't attempt to
// compare APInt's of different widths, which would violate an APInt class
// invariant which generates an assertion.
-ConstantInt *ConstantInt::get(LLVMContext &Context, const APInt& V) {
+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());
// get an existing value or the insertion position
DenseMapAPIntKeyInfo::KeyTy Key(V, ITy);
-
- Context.pImpl->ConstantsLock.reader_acquire();
ConstantInt *&Slot = Context.pImpl->IntConstants[Key];
- Context.pImpl->ConstantsLock.reader_release();
-
- if (!Slot) {
- sys::SmartScopedWriter<true> Writer(Context.pImpl->ConstantsLock);
- ConstantInt *&NewSlot = Context.pImpl->IntConstants[Key];
- if (!Slot) {
- NewSlot = new ConstantInt(ITy, V);
- }
-
- return NewSlot;
- } else {
- return Slot;
- }
+ if (!Slot) Slot = new ConstantInt(ITy, V);
+ return Slot;
}
-Constant* ConstantInt::get(const Type* Ty, uint64_t V, bool isSigned) {
- Constant *C = get(cast<IntegerType>(Ty->getScalarType()),
- V, isSigned);
+Constant *ConstantInt::get(const 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))
- return ConstantVector::get(
- std::vector<Constant *>(VTy->getNumElements(), C));
+ return ConstantVector::get(SmallVector<Constant*,
+ 16>(VTy->getNumElements(), C));
return C;
}
return get(Ty, V, true);
}
-Constant* ConstantInt::get(const Type* Ty, const APInt& V) {
+Constant *ConstantInt::get(const 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))
return ConstantVector::get(
- std::vector<Constant *>(VTy->getNumElements(), C));
+ SmallVector<Constant *, 16>(VTy->getNumElements(), C));
return C;
}
-ConstantInt* ConstantInt::get(const IntegerType* Ty, const StringRef& Str,
+ConstantInt* ConstantInt::get(const IntegerType* Ty, StringRef Str,
uint8_t radix) {
return get(Ty->getContext(), APInt(Ty->getBitWidth(), Str, radix));
}
//===----------------------------------------------------------------------===//
static const fltSemantics *TypeToFloatSemantics(const Type *Ty) {
- if (Ty == Type::getFloatTy(Ty->getContext()))
+ if (Ty->isFloatTy())
return &APFloat::IEEEsingle;
- if (Ty == Type::getDoubleTy(Ty->getContext()))
+ if (Ty->isDoubleTy())
return &APFloat::IEEEdouble;
- if (Ty == Type::getX86_FP80Ty(Ty->getContext()))
+ if (Ty->isX86_FP80Ty())
return &APFloat::x87DoubleExtended;
- else if (Ty == Type::getFP128Ty(Ty->getContext()))
+ else if (Ty->isFP128Ty())
return &APFloat::IEEEquad;
- assert(Ty == Type::getPPC_FP128Ty(Ty->getContext()) && "Unknown FP format");
+ assert(Ty->isPPC_FP128Ty() && "Unknown FP format");
return &APFloat::PPCDoubleDouble;
}
/// 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(const Type* Ty, double V) {
LLVMContext &Context = Ty->getContext();
APFloat FV(V);
// For vectors, broadcast the value.
if (const VectorType *VTy = dyn_cast<VectorType>(Ty))
return ConstantVector::get(
- std::vector<Constant *>(VTy->getNumElements(), C));
+ SmallVector<Constant *, 16>(VTy->getNumElements(), C));
return C;
}
-Constant* ConstantFP::get(const Type* Ty, const StringRef& Str) {
+Constant *ConstantFP::get(const Type* Ty, StringRef Str) {
LLVMContext &Context = Ty->getContext();
APFloat FV(*TypeToFloatSemantics(Ty->getScalarType()), Str);
// For vectors, broadcast the value.
if (const VectorType *VTy = dyn_cast<VectorType>(Ty))
return ConstantVector::get(
- std::vector<Constant *>(VTy->getNumElements(), C));
+ SmallVector<Constant *, 16>(VTy->getNumElements(), C));
return C;
}
}
-Constant* ConstantFP::getZeroValueForNegation(const Type* Ty) {
+Constant *ConstantFP::getZeroValueForNegation(const Type* Ty) {
if (const VectorType *PTy = dyn_cast<VectorType>(Ty))
- if (PTy->getElementType()->isFloatingPoint()) {
- std::vector<Constant*> zeros(PTy->getNumElements(),
+ if (PTy->getElementType()->isFloatingPointTy()) {
+ SmallVector<Constant*, 16> zeros(PTy->getNumElements(),
getNegativeZero(PTy->getElementType()));
- return ConstantVector::get(PTy, zeros);
+ return ConstantVector::get(zeros);
}
- if (Ty->isFloatingPoint())
+ if (Ty->isFloatingPointTy())
return getNegativeZero(Ty);
return Constant::getNullValue(Ty);
LLVMContextImpl* pImpl = Context.pImpl;
- pImpl->ConstantsLock.reader_acquire();
ConstantFP *&Slot = pImpl->FPConstants[Key];
- pImpl->ConstantsLock.reader_release();
if (!Slot) {
- sys::SmartScopedWriter<true> Writer(pImpl->ConstantsLock);
- ConstantFP *&NewSlot = pImpl->FPConstants[Key];
- if (!NewSlot) {
- const Type *Ty;
- if (&V.getSemantics() == &APFloat::IEEEsingle)
- Ty = Type::getFloatTy(Context);
- else if (&V.getSemantics() == &APFloat::IEEEdouble)
- Ty = Type::getDoubleTy(Context);
- else if (&V.getSemantics() == &APFloat::x87DoubleExtended)
- Ty = Type::getX86_FP80Ty(Context);
- else if (&V.getSemantics() == &APFloat::IEEEquad)
- Ty = Type::getFP128Ty(Context);
- else {
- assert(&V.getSemantics() == &APFloat::PPCDoubleDouble &&
- "Unknown FP format");
- Ty = Type::getPPC_FP128Ty(Context);
- }
- NewSlot = new ConstantFP(Ty, V);
+ const Type *Ty;
+ if (&V.getSemantics() == &APFloat::IEEEsingle)
+ Ty = Type::getFloatTy(Context);
+ else if (&V.getSemantics() == &APFloat::IEEEdouble)
+ Ty = Type::getDoubleTy(Context);
+ else if (&V.getSemantics() == &APFloat::x87DoubleExtended)
+ Ty = Type::getX86_FP80Ty(Context);
+ else if (&V.getSemantics() == &APFloat::IEEEquad)
+ Ty = Type::getFP128Ty(Context);
+ else {
+ assert(&V.getSemantics() == &APFloat::PPCDoubleDouble &&
+ "Unknown FP format");
+ Ty = Type::getPPC_FP128Ty(Context);
}
-
- return NewSlot;
+ Slot = new ConstantFP(Ty, V);
}
return Slot;
}
+ConstantFP *ConstantFP::getInfinity(const 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)
: Constant(Ty, ConstantFPVal, 0, 0), Val(V) {
assert(&V.getSemantics() == TypeToFloatSemantics(Ty) &&
for (std::vector<Constant*>::const_iterator I = V.begin(), E = V.end();
I != E; ++I, ++OL) {
Constant *C = *I;
- assert((C->getType() == T->getElementType() ||
- (T->isAbstract() &&
- C->getType()->getTypeID() == T->getElementType()->getTypeID())) &&
+ assert(C->getType() == T->getElementType() &&
"Initializer for array element doesn't match array element type!");
*OL = C;
}
}
-Constant *ConstantArray::get(const ArrayType *Ty,
- const std::vector<Constant*> &V) {
+Constant *ConstantArray::get(const 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");
+ }
LLVMContextImpl *pImpl = Ty->getContext().pImpl;
// If this is an all-zero array, return a ConstantAggregateZero object
if (!V.empty()) {
Constant *C = V[0];
- if (!C->isNullValue()) {
- // Implicitly locked.
+ if (!C->isNullValue())
return pImpl->ArrayConstants.getOrCreate(Ty, V);
- }
+
for (unsigned i = 1, e = V.size(); i != e; ++i)
- if (V[i] != C) {
- // Implicitly locked.
+ if (V[i] != C)
return pImpl->ArrayConstants.getOrCreate(Ty, V);
- }
}
return ConstantAggregateZero::get(Ty);
}
-
-Constant* ConstantArray::get(const ArrayType* T, Constant* const* Vals,
- unsigned NumVals) {
- // FIXME: make this the primary ctor method.
- return get(T, std::vector<Constant*>(Vals, Vals+NumVals));
-}
-
/// ConstantArray::get(const string&) - Return an array that is initialized to
/// contain the specified string. If length is zero then a null terminator is
/// added to the specified string so that it may be used in a natural way.
/// Otherwise, the length parameter specifies how much of the string to use
/// and it won't be null terminated.
///
-Constant* ConstantArray::get(LLVMContext &Context, const StringRef &Str,
+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(ATy, ElementVals);
}
+/// getTypeForElements - Return an anonymous struct type to use for a constant
+/// with the specified set of elements. The list must not be empty.
+StructType *ConstantStruct::getTypeForElements(LLVMContext &Context,
+ ArrayRef<Constant*> V,
+ bool Packed) {
+ SmallVector<const Type*, 16> EltTypes;
+ for (unsigned i = 0, e = V.size(); i != e; ++i)
+ EltTypes.push_back(V[i]->getType());
+
+ return StructType::get(Context, EltTypes, Packed);
+}
+
+
+StructType *ConstantStruct::getTypeForElements(ArrayRef<Constant*> V,
+ bool Packed) {
+ assert(!V.empty() &&
+ "ConstantStruct::getTypeForElements cannot be called on empty list");
+ return getTypeForElements(V[0]->getContext(), V, Packed);
+}
ConstantStruct::ConstantStruct(const StructType *T,
: Constant(T, ConstantStructVal,
OperandTraits<ConstantStruct>::op_end(this) - V.size(),
V.size()) {
- assert(V.size() == T->getNumElements() &&
+ assert((T->isOpaque() || 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((C->getType() == T->getElementType(I-V.begin()) ||
- ((T->getElementType(I-V.begin())->isAbstract() ||
- C->getType()->isAbstract()) &&
- T->getElementType(I-V.begin())->getTypeID() ==
- C->getType()->getTypeID())) &&
+ assert((T->isOpaque() || C->getType() == T->getElementType(I-V.begin())) &&
"Initializer for struct element doesn't match struct element type!");
*OL = C;
}
}
// ConstantStruct accessors.
-Constant* ConstantStruct::get(const StructType* T,
- const std::vector<Constant*>& V) {
- LLVMContextImpl* pImpl = T->getContext().pImpl;
-
- // Create a ConstantAggregateZero value if all elements are zeros...
+Constant *ConstantStruct::get(const 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())
- // Implicitly locked.
- return pImpl->StructConstants.getOrCreate(T, V);
+ return ST->getContext().pImpl->StructConstants.getOrCreate(ST, V);
- return ConstantAggregateZero::get(T);
+ assert((ST->isOpaque() || ST->getNumElements() == V.size()) &&
+ "Incorrect # elements specified to ConstantStruct::get");
+ return ConstantAggregateZero::get(ST);
}
-Constant* ConstantStruct::get(LLVMContext &Context,
- const std::vector<Constant*>& V, bool packed) {
- std::vector<const Type*> StructEls;
- StructEls.reserve(V.size());
- for (unsigned i = 0, e = V.size(); i != e; ++i)
- StructEls.push_back(V[i]->getType());
- return get(StructType::get(Context, StructEls, packed), V);
-}
-
-Constant* ConstantStruct::get(LLVMContext &Context,
- Constant* const *Vals, unsigned NumVals,
- bool Packed) {
- // FIXME: make this the primary ctor method.
- return get(Context, std::vector<Constant*>(Vals, Vals+NumVals), Packed);
+Constant* ConstantStruct::get(const StructType *T, ...) {
+ va_list ap;
+ SmallVector<Constant*, 8> Values;
+ va_start(ap, T);
+ while (Constant *Val = va_arg(ap, llvm::Constant*))
+ Values.push_back(Val);
+ va_end(ap);
+ return get(T, Values);
}
ConstantVector::ConstantVector(const VectorType *T,
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() ||
- (T->isAbstract() &&
- C->getType()->getTypeID() == T->getElementType()->getTypeID())) &&
+ for (std::vector<Constant*>::const_iterator I = V.begin(), E = V.end();
+ I != E; ++I, ++OL) {
+ Constant *C = *I;
+ assert(C->getType() == T->getElementType() &&
"Initializer for vector element doesn't match vector element type!");
*OL = C;
}
}
// ConstantVector accessors.
-Constant* ConstantVector::get(const VectorType* T,
- const std::vector<Constant*>& V) {
- assert(!V.empty() && "Vectors can't be empty");
- LLVMContext &Context = T->getContext();
- LLVMContextImpl *pImpl = Context.pImpl;
-
- // If this is an all-undef or alll-zero vector, return a
+Constant *ConstantVector::get(ArrayRef<Constant*> V) {
+ assert(!V.empty() && "Vectors can't be empty");
+ const 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
// ConstantAggregateZero or UndefValue.
Constant *C = V[0];
bool isZero = C->isNullValue();
if (isUndef)
return UndefValue::get(T);
- // Implicitly locked.
return pImpl->VectorConstants.getOrCreate(T, V);
}
-Constant* ConstantVector::get(const std::vector<Constant*>& V) {
- assert(!V.empty() && "Cannot infer type if V is empty");
- return get(VectorType::get(V.front()->getType(),V.size()), V);
-}
-
-Constant* ConstantVector::get(Constant* const* Vals, unsigned NumVals) {
- // FIXME: make this the primary ctor method.
- return get(std::vector<Constant*>(Vals, Vals+NumVals));
-}
-
-Constant* ConstantExpr::getNSWAdd(Constant* C1, Constant* C2) {
- return getTy(C1->getType(), Instruction::Add, C1, C2,
- OverflowingBinaryOperator::NoSignedWrap);
-}
-
-Constant* ConstantExpr::getExactSDiv(Constant* C1, Constant* C2) {
- return getTy(C1->getType(), Instruction::SDiv, C1, C2,
- SDivOperator::IsExact);
-}
-
// Utility function for determining if a ConstantExpr is a CastOp or not. This
// can't be inline because we don't want to #include Instruction.h into
// Constant.h
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;
getOpcode() == Instruction::InsertValue;
}
-const SmallVector<unsigned, 4> &ConstantExpr::getIndices() const {
+ArrayRef<unsigned> ConstantExpr::getIndices() const {
if (const ExtractValueConstantExpr *EVCE =
dyn_cast<ExtractValueConstantExpr>(this))
return EVCE->Indices;
ConstantExpr::getGetElementPtr(Op, &Ops[0], Ops.size());
Ops[OpNo-1] = Op;
return cast<GEPOperator>(this)->isInBounds() ?
- ConstantExpr::getInBoundsGetElementPtr(getOperand(0), &Ops[0], Ops.size()) :
+ ConstantExpr::getInBoundsGetElementPtr(getOperand(0), &Ops[0],Ops.size()):
ConstantExpr::getGetElementPtr(getOperand(0), &Ops[0], Ops.size());
}
default:
assert(getNumOperands() == 2 && "Must be binary operator?");
Op0 = (OpNo == 0) ? Op : getOperand(0);
Op1 = (OpNo == 1) ? Op : getOperand(1);
- return ConstantExpr::get(getOpcode(), Op0, Op1, SubclassData);
+ return ConstantExpr::get(getOpcode(), Op0, Op1, SubclassOptionalData);
}
}
/// getWithOperands - This returns the current constant expression with the
-/// operands replaced with the specified values. The specified operands must
-/// match count and type with the existing ones.
+/// operands replaced with the specified values. The specified array must
+/// have the same number of operands as our current one.
Constant *ConstantExpr::
-getWithOperands(Constant* const *Ops, unsigned NumOps) const {
- assert(NumOps == getNumOperands() && "Operand count mismatch!");
- bool AnyChange = false;
- for (unsigned i = 0; i != NumOps; ++i) {
- assert(Ops[i]->getType() == getOperand(i)->getType() &&
- "Operand type mismatch!");
+getWithOperands(ArrayRef<Constant*> Ops, const Type *Ty) const {
+ assert(Ops.size() == getNumOperands() && "Operand count mismatch!");
+ bool AnyChange = Ty != getType();
+ for (unsigned i = 0; i != Ops.size(); ++i)
AnyChange |= Ops[i] != getOperand(i);
- }
+
if (!AnyChange) // No operands changed, return self.
return const_cast<ConstantExpr*>(this);
case Instruction::PtrToInt:
case Instruction::IntToPtr:
case Instruction::BitCast:
- return ConstantExpr::getCast(getOpcode(), Ops[0], getType());
+ return ConstantExpr::getCast(getOpcode(), Ops[0], Ty);
case Instruction::Select:
return ConstantExpr::getSelect(Ops[0], Ops[1], Ops[2]);
case Instruction::InsertElement:
return ConstantExpr::getShuffleVector(Ops[0], Ops[1], Ops[2]);
case Instruction::GetElementPtr:
return cast<GEPOperator>(this)->isInBounds() ?
- ConstantExpr::getInBoundsGetElementPtr(Ops[0], &Ops[1], NumOps-1) :
- ConstantExpr::getGetElementPtr(Ops[0], &Ops[1], NumOps-1);
+ ConstantExpr::getInBoundsGetElementPtr(Ops[0], &Ops[1], Ops.size()-1) :
+ ConstantExpr::getGetElementPtr(Ops[0], &Ops[1], Ops.size()-1);
case Instruction::ICmp:
case Instruction::FCmp:
return ConstantExpr::getCompare(getPredicate(), Ops[0], Ops[1]);
default:
assert(getNumOperands() == 2 && "Must be binary operator?");
- return ConstantExpr::get(getOpcode(), Ops[0], Ops[1], SubclassData);
+ return ConstantExpr::get(getOpcode(), Ops[0], Ops[1], SubclassOptionalData);
}
}
//===----------------------------------------------------------------------===//
// Factory Function Implementation
-static char getValType(ConstantAggregateZero *CPZ) { return 0; }
-
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;
- // Implicitly locked.
return pImpl->AggZeroConstants.getOrCreate(Ty, 0);
}
/// destroyConstant - Remove the constant from the constant table...
///
void ConstantAggregateZero::destroyConstant() {
- // Implicitly locked.
getType()->getContext().pImpl->AggZeroConstants.remove(this);
destroyConstantImpl();
}
/// destroyConstant - Remove the constant from the constant table...
///
void ConstantArray::destroyConstant() {
- // Implicitly locked.
getType()->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() != Type::getInt8Ty(getContext()))
+ 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() != Type::getInt8Ty(getContext()))
+ if (!getType()->getElementType()->isIntegerTy(8))
return false;
// Last element must be a null.
}
-/// getAsString - If the sub-element type of this array is i8
-/// then this method converts the array to an std::string and returns it.
-/// Otherwise, it asserts out.
+/// convertToString - Helper function for getAsString() and getAsCString().
+static std::string convertToString(const User *U, unsigned len)
+{
+ std::string Result;
+ Result.reserve(len);
+ for (unsigned i = 0; i != len; ++i)
+ Result.push_back((char)cast<ConstantInt>(U->getOperand(i))->getZExtValue());
+ return Result;
+}
+
+/// getAsString - If this array is isString(), then this method converts the
+/// array to an std::string and returns it. Otherwise, it asserts out.
///
std::string ConstantArray::getAsString() const {
assert(isString() && "Not a string!");
- std::string Result;
- Result.reserve(getNumOperands());
- for (unsigned i = 0, e = getNumOperands(); i != e; ++i)
- Result.push_back((char)cast<ConstantInt>(getOperand(i))->getZExtValue());
- return Result;
+ return convertToString(this, getNumOperands());
+}
+
+
+/// getAsCString - If this array is isCString(), then this method converts the
+/// array (without the trailing null byte) to an std::string and returns it.
+/// Otherwise, it asserts out.
+///
+std::string ConstantArray::getAsCString() const {
+ assert(isCString() && "Not a string!");
+ return convertToString(this, getNumOperands() - 1);
}
// destroyConstant - Remove the constant from the constant table...
//
void ConstantStruct::destroyConstant() {
- // Implicitly locked.
getType()->getContext().pImpl->StructConstants.remove(this);
destroyConstantImpl();
}
// destroyConstant - Remove the constant from the constant table...
//
void ConstantVector::destroyConstant() {
- // Implicitly locked.
getType()->getContext().pImpl->VectorConstants.remove(this);
destroyConstantImpl();
}
/// getSplatValue - If this is a splat constant, where all of the
/// elements have the same value, return that value. Otherwise return null.
-Constant *ConstantVector::getSplatValue() {
+Constant *ConstantVector::getSplatValue() const {
// Check out first element.
Constant *Elt = getOperand(0);
// Then make sure all remaining elements point to the same value.
return Elt;
}
-//---- ConstantPointerNull::get() implementation...
+//---- ConstantPointerNull::get() implementation.
//
-static char getValType(ConstantPointerNull *) {
- return 0;
-}
-
-
ConstantPointerNull *ConstantPointerNull::get(const PointerType *Ty) {
- // Implicitly locked.
return Ty->getContext().pImpl->NullPtrConstants.getOrCreate(Ty, 0);
}
// destroyConstant - Remove the constant from the constant table...
//
void ConstantPointerNull::destroyConstant() {
- // Implicitly locked.
getType()->getContext().pImpl->NullPtrConstants.remove(this);
destroyConstantImpl();
}
-//---- UndefValue::get() implementation...
+//---- UndefValue::get() implementation.
//
-static char getValType(UndefValue *) {
- return 0;
-}
-
UndefValue *UndefValue::get(const Type *Ty) {
- // Implicitly locked.
return Ty->getContext().pImpl->UndefValueConstants.getOrCreate(Ty, 0);
}
// destroyConstant - Remove the constant from the constant table.
//
void UndefValue::destroyConstant() {
- // Implicitly locked.
getType()->getContext().pImpl->UndefValueConstants.remove(this);
destroyConstantImpl();
}
-//---- ConstantExpr::get() implementations...
+//---- BlockAddress::get() implementation.
//
-static ExprMapKeyType getValType(ConstantExpr *CE) {
- std::vector<Constant*> Operands;
- Operands.reserve(CE->getNumOperands());
- for (unsigned i = 0, e = CE->getNumOperands(); i != e; ++i)
- Operands.push_back(cast<Constant>(CE->getOperand(i)));
- return ExprMapKeyType(CE->getOpcode(), Operands,
- CE->isCompare() ? CE->getPredicate() : 0,
- CE->getRawSubclassOptionalData(),
- CE->hasIndices() ?
- CE->getIndices() : SmallVector<unsigned, 4>());
+BlockAddress *BlockAddress::get(BasicBlock *BB) {
+ assert(BB->getParent() != 0 && "Block must have a parent");
+ return get(BB->getParent(), BB);
+}
+
+BlockAddress *BlockAddress::get(Function *F, BasicBlock *BB) {
+ BlockAddress *&BA =
+ F->getContext().pImpl->BlockAddresses[std::make_pair(F, BB)];
+ if (BA == 0)
+ BA = new BlockAddress(F, BB);
+
+ assert(BA->getFunction() == F && "Basic block moved between functions");
+ return BA;
}
+BlockAddress::BlockAddress(Function *F, BasicBlock *BB)
+: Constant(Type::getInt8PtrTy(F->getContext()), Value::BlockAddressVal,
+ &Op<0>(), 2) {
+ setOperand(0, F);
+ setOperand(1, BB);
+ BB->AdjustBlockAddressRefCount(1);
+}
+
+
+// destroyConstant - Remove the constant from the constant table.
+//
+void BlockAddress::destroyConstant() {
+ getFunction()->getType()->getContext().pImpl
+ ->BlockAddresses.erase(std::make_pair(getFunction(), getBasicBlock()));
+ getBasicBlock()->AdjustBlockAddressRefCount(-1);
+ destroyConstantImpl();
+}
+
+void BlockAddress::replaceUsesOfWithOnConstant(Value *From, Value *To, Use *U) {
+ // This could be replacing either the Basic Block or the Function. In either
+ // case, we have to remove the map entry.
+ Function *NewF = getFunction();
+ BasicBlock *NewBB = getBasicBlock();
+
+ if (U == &Op<0>())
+ NewF = cast<Function>(To);
+ else
+ NewBB = cast<BasicBlock>(To);
+
+ // See if the 'new' entry already exists, if not, just update this in place
+ // and return early.
+ BlockAddress *&NewBA =
+ getContext().pImpl->BlockAddresses[std::make_pair(NewF, NewBB)];
+ if (NewBA == 0) {
+ getBasicBlock()->AdjustBlockAddressRefCount(-1);
+
+ // Remove the old entry, this can't cause the map to rehash (just a
+ // tombstone will get added).
+ getContext().pImpl->BlockAddresses.erase(std::make_pair(getFunction(),
+ getBasicBlock()));
+ NewBA = this;
+ setOperand(0, NewF);
+ setOperand(1, NewBB);
+ getBasicBlock()->AdjustBlockAddressRefCount(1);
+ return;
+ }
+
+ // Otherwise, I do need to replace this with an existing value.
+ assert(NewBA != this && "I didn't contain From!");
+
+ // Everyone using this now uses the replacement.
+ uncheckedReplaceAllUsesWith(NewBA);
+
+ destroyConstant();
+}
+
+//---- ConstantExpr::get() implementations.
+//
+
/// 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) {
assert(Ty->isFirstClassType() && "Cannot cast to an aggregate type!");
// Fold a few common cases
- if (Constant *FC = ConstantFoldCastInstruction(Ty->getContext(), opc, C, Ty))
+ if (Constant *FC = ConstantFoldCastInstruction(opc, C, Ty))
return FC;
LLVMContextImpl *pImpl = Ty->getContext().pImpl;
std::vector<Constant*> argVec(1, C);
ExprMapKeyType Key(opc, argVec);
- // Implicitly locked.
return pImpl->ExprConstants.getOrCreate(Ty, Key);
}
Instruction::CastOps opc = Instruction::CastOps(oc);
assert(Instruction::isCast(opc) && "opcode out of range");
assert(C && Ty && "Null arguments to getCast");
- assert(Ty->isFirstClassType() && "Cannot cast to an aggregate type!");
+ assert(CastInst::castIsValid(opc, C, Ty) && "Invalid constantexpr cast!");
switch (opc) {
- default:
- llvm_unreachable("Invalid cast opcode");
- break;
- case Instruction::Trunc: return getTrunc(C, Ty);
- case Instruction::ZExt: return getZExt(C, Ty);
- case Instruction::SExt: return getSExt(C, Ty);
- case Instruction::FPTrunc: return getFPTrunc(C, Ty);
- case Instruction::FPExt: return getFPExtend(C, Ty);
- case Instruction::UIToFP: return getUIToFP(C, Ty);
- case Instruction::SIToFP: return getSIToFP(C, Ty);
- case Instruction::FPToUI: return getFPToUI(C, Ty);
- case Instruction::FPToSI: return getFPToSI(C, Ty);
- case Instruction::PtrToInt: return getPtrToInt(C, Ty);
- case Instruction::IntToPtr: return getIntToPtr(C, Ty);
- case Instruction::BitCast: return getBitCast(C, Ty);
+ default:
+ llvm_unreachable("Invalid cast opcode");
+ break;
+ case Instruction::Trunc: return getTrunc(C, Ty);
+ case Instruction::ZExt: return getZExt(C, Ty);
+ case Instruction::SExt: return getSExt(C, Ty);
+ case Instruction::FPTrunc: return getFPTrunc(C, Ty);
+ case Instruction::FPExt: return getFPExtend(C, Ty);
+ case Instruction::UIToFP: return getUIToFP(C, Ty);
+ case Instruction::SIToFP: return getSIToFP(C, Ty);
+ case Instruction::FPToUI: return getFPToUI(C, Ty);
+ case Instruction::FPToSI: return getFPToSI(C, Ty);
+ case Instruction::PtrToInt: return getPtrToInt(C, Ty);
+ case Instruction::IntToPtr: return getIntToPtr(C, Ty);
+ case Instruction::BitCast: return getBitCast(C, Ty);
}
return 0;
}
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();
if (SrcBits == DstBits)
return C; // Avoid a useless cast
Instruction::CastOps opcode =
- (SrcBits > DstBits ? Instruction::FPTrunc : Instruction::FPExt);
+ (SrcBits > DstBits ? Instruction::FPTrunc : Instruction::FPExt);
return getCast(opcode, C, Ty);
}
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::getBitCast(Constant *C, const Type *DstTy) {
- // BitCast implies a no-op cast of type only. No bits change. However, you
- // can't cast pointers to anything but pointers.
-#ifndef NDEBUG
- const Type *SrcTy = C->getType();
- assert((isa<PointerType>(SrcTy) == isa<PointerType>(DstTy)) &&
- "BitCast cannot cast pointer to non-pointer and vice versa");
-
- // Now we know we're not dealing with mismatched pointer casts (ptr->nonptr
- // or nonptr->ptr). For all the other types, the cast is okay if source and
- // destination bit widths are identical.
- unsigned SrcBitSize = SrcTy->getPrimitiveSizeInBits();
- unsigned DstBitSize = DstTy->getPrimitiveSizeInBits();
-#endif
- assert(SrcBitSize == DstBitSize && "BitCast requires types of same width");
+ assert(CastInst::castIsValid(Instruction::BitCast, C, DstTy) &&
+ "Invalid constantexpr bitcast!");
// It is common to ask for a bitcast of a value to its own type, handle this
// speedily.
return getFoldedCast(Instruction::BitCast, C, DstTy);
}
-Constant *ConstantExpr::getTy(const Type *ReqTy, unsigned Opcode,
- Constant *C1, Constant *C2,
- unsigned Flags) {
- // Check the operands for consistency first
+Constant *ConstantExpr::get(unsigned Opcode, Constant *C1, Constant *C2,
+ unsigned Flags) {
+ // Check the operands for consistency first.
assert(Opcode >= Instruction::BinaryOpsBegin &&
Opcode < Instruction::BinaryOpsEnd &&
"Invalid opcode in binary constant expression");
assert(C1->getType() == C2->getType() &&
"Operand types in binary constant expression should match");
-
- if (ReqTy == C1->getType() || ReqTy == Type::getInt1Ty(ReqTy->getContext()))
- if (Constant *FC = ConstantFoldBinaryInstruction(ReqTy->getContext(),
- Opcode, C1, C2))
- return FC; // Fold a few common cases...
-
- std::vector<Constant*> argVec(1, C1); argVec.push_back(C2);
- ExprMapKeyType Key(Opcode, argVec, 0, Flags);
-
- LLVMContextImpl *pImpl = ReqTy->getContext().pImpl;
- // Implicitly locked.
- return pImpl->ExprConstants.getOrCreate(ReqTy, Key);
-}
-
-Constant *ConstantExpr::getCompareTy(unsigned short predicate,
- Constant *C1, Constant *C2) {
- switch (predicate) {
- default: llvm_unreachable("Invalid CmpInst predicate");
- case CmpInst::FCMP_FALSE: case CmpInst::FCMP_OEQ: case CmpInst::FCMP_OGT:
- case CmpInst::FCMP_OGE: case CmpInst::FCMP_OLT: case CmpInst::FCMP_OLE:
- case CmpInst::FCMP_ONE: case CmpInst::FCMP_ORD: case CmpInst::FCMP_UNO:
- case CmpInst::FCMP_UEQ: case CmpInst::FCMP_UGT: case CmpInst::FCMP_UGE:
- case CmpInst::FCMP_ULT: case CmpInst::FCMP_ULE: case CmpInst::FCMP_UNE:
- case CmpInst::FCMP_TRUE:
- return getFCmp(predicate, C1, C2);
-
- case CmpInst::ICMP_EQ: case CmpInst::ICMP_NE: case CmpInst::ICMP_UGT:
- case CmpInst::ICMP_UGE: case CmpInst::ICMP_ULT: case CmpInst::ICMP_ULE:
- case CmpInst::ICMP_SGT: case CmpInst::ICMP_SGE: case CmpInst::ICMP_SLT:
- case CmpInst::ICMP_SLE:
- return getICmp(predicate, C1, C2);
- }
-}
-
-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:
}
#endif
- return getTy(C1->getType(), Opcode, C1, C2, Flags);
+ if (Constant *FC = ConstantFoldBinaryInstruction(Opcode, C1, C2))
+ return FC; // Fold a few common cases.
+
+ std::vector<Constant*> argVec(1, C1);
+ argVec.push_back(C2);
+ ExprMapKeyType Key(Opcode, argVec, 0, Flags);
+
+ LLVMContextImpl *pImpl = C1->getContext().pImpl;
+ return pImpl->ExprConstants.getOrCreate(C1->getType(), Key);
}
-Constant* ConstantExpr::getSizeOf(const Type* Ty) {
+Constant *ConstantExpr::getSizeOf(const 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);
- return getCast(Instruction::PtrToInt, GEP,
- Type::getInt64Ty(Ty->getContext()));
+ return getPtrToInt(GEP,
+ Type::getInt64Ty(Ty->getContext()));
}
-Constant* ConstantExpr::getAlignOf(const Type* Ty) {
- // alignof is implemented as: (i64) gep ({i8,Ty}*)null, 0, 1
+Constant *ConstantExpr::getAlignOf(const 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 = StructType::get(Ty->getContext(),
- Type::getInt8Ty(Ty->getContext()), Ty, NULL);
+ const Type *AligningTy =
+ StructType::get(Type::getInt1Ty(Ty->getContext()), Ty, NULL);
Constant *NullPtr = Constant::getNullValue(AligningTy->getPointerTo());
- Constant *Zero = ConstantInt::get(Type::getInt32Ty(Ty->getContext()), 0);
+ 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);
- return getCast(Instruction::PtrToInt, GEP,
- Type::getInt32Ty(Ty->getContext()));
+ return getPtrToInt(GEP,
+ Type::getInt64Ty(Ty->getContext()));
}
-Constant* ConstantExpr::getOffsetOf(const StructType* STy, unsigned FieldNo) {
+Constant *ConstantExpr::getOffsetOf(const StructType* STy, unsigned FieldNo) {
+ return getOffsetOf(STy, ConstantInt::get(Type::getInt32Ty(STy->getContext()),
+ FieldNo));
+}
+
+Constant *ConstantExpr::getOffsetOf(const 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[] = {
- ConstantInt::get(Type::getInt64Ty(STy->getContext()), 0),
- ConstantInt::get(Type::getInt32Ty(STy->getContext()), FieldNo)
+ ConstantInt::get(Type::getInt64Ty(Ty->getContext()), 0),
+ FieldNo
};
Constant *GEP = getGetElementPtr(
- Constant::getNullValue(PointerType::getUnqual(STy)), GEPIdx, 2);
- return getCast(Instruction::PtrToInt, GEP,
- Type::getInt64Ty(STy->getContext()));
+ Constant::getNullValue(PointerType::getUnqual(Ty)), GEPIdx, 2);
+ return getPtrToInt(GEP,
+ Type::getInt64Ty(Ty->getContext()));
}
-Constant *ConstantExpr::getCompare(unsigned short pred,
- Constant *C1, Constant *C2) {
+Constant *ConstantExpr::getCompare(unsigned short Predicate,
+ Constant *C1, Constant *C2) {
assert(C1->getType() == C2->getType() && "Op types should be identical!");
- return getCompareTy(pred, C1, C2);
+
+ switch (Predicate) {
+ default: llvm_unreachable("Invalid CmpInst predicate");
+ case CmpInst::FCMP_FALSE: case CmpInst::FCMP_OEQ: case CmpInst::FCMP_OGT:
+ case CmpInst::FCMP_OGE: case CmpInst::FCMP_OLT: case CmpInst::FCMP_OLE:
+ case CmpInst::FCMP_ONE: case CmpInst::FCMP_ORD: case CmpInst::FCMP_UNO:
+ case CmpInst::FCMP_UEQ: case CmpInst::FCMP_UGT: case CmpInst::FCMP_UGE:
+ case CmpInst::FCMP_ULT: case CmpInst::FCMP_ULE: case CmpInst::FCMP_UNE:
+ case CmpInst::FCMP_TRUE:
+ return getFCmp(Predicate, C1, C2);
+
+ case CmpInst::ICMP_EQ: case CmpInst::ICMP_NE: case CmpInst::ICMP_UGT:
+ case CmpInst::ICMP_UGE: case CmpInst::ICMP_ULT: case CmpInst::ICMP_ULE:
+ case CmpInst::ICMP_SGT: case CmpInst::ICMP_SGE: case CmpInst::ICMP_SLT:
+ case CmpInst::ICMP_SLE:
+ return getICmp(Predicate, C1, C2);
+ }
}
-Constant *ConstantExpr::getSelectTy(const Type *ReqTy, Constant *C,
- Constant *V1, Constant *V2) {
+Constant *ConstantExpr::getSelect(Constant *C, Constant *V1, Constant *V2) {
assert(!SelectInst::areInvalidOperands(C, V1, V2)&&"Invalid select operands");
- if (ReqTy == V1->getType())
- if (Constant *SC = ConstantFoldSelectInstruction(
- ReqTy->getContext(), C, V1, V2))
- return SC; // Fold common cases
+ if (Constant *SC = ConstantFoldSelectInstruction(C, V1, V2))
+ return SC; // Fold common cases
std::vector<Constant*> argVec(3, C);
argVec[1] = V1;
argVec[2] = V2;
ExprMapKeyType Key(Instruction::Select, argVec);
- LLVMContextImpl *pImpl = ReqTy->getContext().pImpl;
-
- // Implicitly locked.
- return pImpl->ExprConstants.getOrCreate(ReqTy, Key);
-}
-
-Constant *ConstantExpr::getGetElementPtrTy(const Type *ReqTy, Constant *C,
- Value* const *Idxs,
- unsigned NumIdx) {
- assert(GetElementPtrInst::getIndexedType(C->getType(), Idxs,
- Idxs+NumIdx) ==
- cast<PointerType>(ReqTy)->getElementType() &&
- "GEP indices invalid!");
-
- if (Constant *FC = ConstantFoldGetElementPtr(
- ReqTy->getContext(), C, /*inBounds=*/false,
- (Constant**)Idxs, NumIdx))
- return FC; // Fold a few common cases...
-
- assert(isa<PointerType>(C->getType()) &&
- "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.push_back(C);
- for (unsigned i = 0; i != NumIdx; ++i)
- ArgVec.push_back(cast<Constant>(Idxs[i]));
- const ExprMapKeyType Key(Instruction::GetElementPtr, ArgVec);
-
- LLVMContextImpl *pImpl = ReqTy->getContext().pImpl;
-
- // Implicitly locked.
- return pImpl->ExprConstants.getOrCreate(ReqTy, Key);
+ LLVMContextImpl *pImpl = C->getContext().pImpl;
+ return pImpl->ExprConstants.getOrCreate(V1->getType(), Key);
}
-Constant *ConstantExpr::getInBoundsGetElementPtrTy(const Type *ReqTy,
- Constant *C,
- Value* const *Idxs,
- unsigned NumIdx) {
- assert(GetElementPtrInst::getIndexedType(C->getType(), Idxs,
- Idxs+NumIdx) ==
- cast<PointerType>(ReqTy)->getElementType() &&
- "GEP indices invalid!");
-
- if (Constant *FC = ConstantFoldGetElementPtr(
- ReqTy->getContext(), C, /*inBounds=*/true,
- (Constant**)Idxs, NumIdx))
- return FC; // Fold a few common cases...
+Constant *ConstantExpr::getGetElementPtr(Constant *C, Value* const *Idxs,
+ unsigned NumIdx, bool InBounds) {
+ if (Constant *FC = ConstantFoldGetElementPtr(C, InBounds, Idxs, NumIdx))
+ return FC; // Fold a few common cases.
- assert(isa<PointerType>(C->getType()) &&
+ // Get the result type of the getelementptr!
+ const Type *Ty =
+ GetElementPtrInst::getIndexedType(C->getType(), Idxs, Idxs+NumIdx);
+ assert(Ty && "GEP indices invalid!");
+ unsigned AS = cast<PointerType>(C->getType())->getAddressSpace();
+ Type *ReqTy = Ty->getPointerTo(AS);
+
+ 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;
for (unsigned i = 0; i != NumIdx; ++i)
ArgVec.push_back(cast<Constant>(Idxs[i]));
const ExprMapKeyType Key(Instruction::GetElementPtr, ArgVec, 0,
- GEPOperator::IsInBounds);
-
- LLVMContextImpl *pImpl = ReqTy->getContext().pImpl;
-
- // Implicitly locked.
+ InBounds ? GEPOperator::IsInBounds : 0);
+
+ LLVMContextImpl *pImpl = C->getContext().pImpl;
return pImpl->ExprConstants.getOrCreate(ReqTy, Key);
}
-Constant *ConstantExpr::getGetElementPtr(Constant *C, Value* const *Idxs,
- unsigned NumIdx) {
- // Get the result type of the getelementptr!
- const Type *Ty =
- GetElementPtrInst::getIndexedType(C->getType(), Idxs, Idxs+NumIdx);
- assert(Ty && "GEP indices invalid!");
- unsigned As = cast<PointerType>(C->getType())->getAddressSpace();
- return getGetElementPtrTy(PointerType::get(Ty, As), C, Idxs, NumIdx);
-}
-
-Constant *ConstantExpr::getInBoundsGetElementPtr(Constant *C,
- Value* const *Idxs,
- unsigned NumIdx) {
- // Get the result type of the getelementptr!
- const Type *Ty =
- GetElementPtrInst::getIndexedType(C->getType(), Idxs, Idxs+NumIdx);
- assert(Ty && "GEP indices invalid!");
- unsigned As = cast<PointerType>(C->getType())->getAddressSpace();
- return getInBoundsGetElementPtrTy(PointerType::get(Ty, As), C, Idxs, NumIdx);
-}
-
-Constant *ConstantExpr::getGetElementPtr(Constant *C, Constant* const *Idxs,
- unsigned NumIdx) {
- return getGetElementPtr(C, (Value* const *)Idxs, NumIdx);
-}
-
-Constant *ConstantExpr::getInBoundsGetElementPtr(Constant *C,
- Constant* const *Idxs,
- unsigned NumIdx) {
- return getInBoundsGetElementPtr(C, (Value* const *)Idxs, NumIdx);
-}
-
Constant *
-ConstantExpr::getICmp(unsigned short pred, Constant* LHS, Constant* RHS) {
+ConstantExpr::getICmp(unsigned short pred, Constant *LHS, Constant *RHS) {
assert(LHS->getType() == RHS->getType());
assert(pred >= ICmpInst::FIRST_ICMP_PREDICATE &&
pred <= ICmpInst::LAST_ICMP_PREDICATE && "Invalid ICmp Predicate");
- if (Constant *FC = ConstantFoldCompareInstruction(
- LHS->getContext(), pred, LHS, RHS))
+ if (Constant *FC = ConstantFoldCompareInstruction(pred, LHS, RHS))
return FC; // Fold a few common cases...
// Look up the constant in the table first to ensure uniqueness
// Get the key type with both the opcode and predicate
const ExprMapKeyType Key(Instruction::ICmp, ArgVec, pred);
- LLVMContextImpl *pImpl = LHS->getType()->getContext().pImpl;
+ const Type *ResultTy = Type::getInt1Ty(LHS->getContext());
+ if (const VectorType *VT = dyn_cast<VectorType>(LHS->getType()))
+ ResultTy = VectorType::get(ResultTy, VT->getNumElements());
- // Implicitly locked.
- return
- pImpl->ExprConstants.getOrCreate(Type::getInt1Ty(LHS->getContext()), Key);
+ LLVMContextImpl *pImpl = LHS->getType()->getContext().pImpl;
+ return pImpl->ExprConstants.getOrCreate(ResultTy, Key);
}
Constant *
-ConstantExpr::getFCmp(unsigned short pred, Constant* LHS, Constant* RHS) {
+ConstantExpr::getFCmp(unsigned short pred, Constant *LHS, Constant *RHS) {
assert(LHS->getType() == RHS->getType());
assert(pred <= FCmpInst::LAST_FCMP_PREDICATE && "Invalid FCmp Predicate");
- if (Constant *FC = ConstantFoldCompareInstruction(
- LHS->getContext(), pred, LHS, RHS))
+ if (Constant *FC = ConstantFoldCompareInstruction(pred, LHS, RHS))
return FC; // Fold a few common cases...
// Look up the constant in the table first to ensure uniqueness
ArgVec.push_back(RHS);
// Get the key type with both the opcode and predicate
const ExprMapKeyType Key(Instruction::FCmp, ArgVec, pred);
-
- LLVMContextImpl *pImpl = LHS->getType()->getContext().pImpl;
-
- // Implicitly locked.
- return
- pImpl->ExprConstants.getOrCreate(Type::getInt1Ty(LHS->getContext()), Key);
-}
-Constant *ConstantExpr::getExtractElementTy(const Type *ReqTy, Constant *Val,
- Constant *Idx) {
- if (Constant *FC = ConstantFoldExtractElementInstruction(
- ReqTy->getContext(), Val, Idx))
- return FC; // Fold a few common cases...
- // Look up the constant in the table first to ensure uniqueness
- std::vector<Constant*> ArgVec(1, Val);
- ArgVec.push_back(Idx);
- const ExprMapKeyType Key(Instruction::ExtractElement,ArgVec);
-
- LLVMContextImpl *pImpl = ReqTy->getContext().pImpl;
-
- // Implicitly locked.
- return pImpl->ExprConstants.getOrCreate(ReqTy, Key);
+ const Type *ResultTy = Type::getInt1Ty(LHS->getContext());
+ if (const VectorType *VT = dyn_cast<VectorType>(LHS->getType()))
+ ResultTy = VectorType::get(ResultTy, VT->getNumElements());
+
+ LLVMContextImpl *pImpl = LHS->getType()->getContext().pImpl;
+ return pImpl->ExprConstants.getOrCreate(ResultTy, Key);
}
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() == Type::getInt32Ty(Val->getContext()) &&
+ assert(Idx->getType()->isIntegerTy(32) &&
"Extractelement index must be i32 type!");
- return getExtractElementTy(cast<VectorType>(Val->getType())->getElementType(),
- Val, Idx);
-}
-
-Constant *ConstantExpr::getInsertElementTy(const Type *ReqTy, Constant *Val,
- Constant *Elt, Constant *Idx) {
- if (Constant *FC = ConstantFoldInsertElementInstruction(
- ReqTy->getContext(), Val, Elt, Idx))
- return FC; // Fold a few common cases...
+
+ if (Constant *FC = ConstantFoldExtractElementInstruction(Val, Idx))
+ return FC; // Fold a few common cases.
+
// Look up the constant in the table first to ensure uniqueness
std::vector<Constant*> ArgVec(1, Val);
- ArgVec.push_back(Elt);
ArgVec.push_back(Idx);
- const ExprMapKeyType Key(Instruction::InsertElement,ArgVec);
-
- LLVMContextImpl *pImpl = ReqTy->getContext().pImpl;
+ const ExprMapKeyType Key(Instruction::ExtractElement,ArgVec);
- // Implicitly locked.
+ LLVMContextImpl *pImpl = Val->getContext().pImpl;
+ Type *ReqTy = cast<VectorType>(Val->getType())->getElementType();
return pImpl->ExprConstants.getOrCreate(ReqTy, Key);
}
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() == Type::getInt32Ty(Val->getContext()) &&
+ assert(Idx->getType()->isIntegerTy(32) &&
"Insertelement index must be i32 type!");
- return getInsertElementTy(Val->getType(), Val, Elt, Idx);
-}
-Constant *ConstantExpr::getShuffleVectorTy(const Type *ReqTy, Constant *V1,
- Constant *V2, Constant *Mask) {
- if (Constant *FC = ConstantFoldShuffleVectorInstruction(
- ReqTy->getContext(), V1, V2, Mask))
- return FC; // Fold a few common cases...
+ if (Constant *FC = ConstantFoldInsertElementInstruction(Val, Elt, Idx))
+ return FC; // Fold a few common cases.
// Look up the constant in the table first to ensure uniqueness
- std::vector<Constant*> ArgVec(1, V1);
- ArgVec.push_back(V2);
- ArgVec.push_back(Mask);
- const ExprMapKeyType Key(Instruction::ShuffleVector,ArgVec);
-
- LLVMContextImpl *pImpl = ReqTy->getContext().pImpl;
+ std::vector<Constant*> ArgVec(1, Val);
+ ArgVec.push_back(Elt);
+ ArgVec.push_back(Idx);
+ const ExprMapKeyType Key(Instruction::InsertElement,ArgVec);
- // Implicitly locked.
- return pImpl->ExprConstants.getOrCreate(ReqTy, Key);
+ LLVMContextImpl *pImpl = Val->getContext().pImpl;
+ return pImpl->ExprConstants.getOrCreate(Val->getType(), Key);
}
Constant *ConstantExpr::getShuffleVector(Constant *V1, Constant *V2,
assert(ShuffleVectorInst::isValidOperands(V1, V2, Mask) &&
"Invalid shuffle vector constant expr operands!");
+ if (Constant *FC = ConstantFoldShuffleVectorInstruction(V1, V2, Mask))
+ 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);
- return getShuffleVectorTy(ShufTy, V1, V2, Mask);
-}
-Constant *ConstantExpr::getInsertValueTy(const Type *ReqTy, Constant *Agg,
- Constant *Val,
- const unsigned *Idxs, unsigned NumIdx) {
- assert(ExtractValueInst::getIndexedType(Agg->getType(), Idxs,
- Idxs+NumIdx) == 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(
- ReqTy->getContext(), Agg, Val, Idxs, NumIdx);
- assert(FC && "InsertValue constant expr couldn't be folded!");
- return FC;
+ // Look up the constant in the table first to ensure uniqueness
+ std::vector<Constant*> ArgVec(1, V1);
+ ArgVec.push_back(V2);
+ ArgVec.push_back(Mask);
+ const ExprMapKeyType Key(Instruction::ShuffleVector,ArgVec);
+
+ LLVMContextImpl *pImpl = ShufTy->getContext().pImpl;
+ return pImpl->ExprConstants.getOrCreate(ShufTy, Key);
}
Constant *ConstantExpr::getInsertValue(Constant *Agg, Constant *Val,
- const unsigned *IdxList, unsigned NumIdx) {
+ 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(), IdxList, IdxList+NumIdx);
-#endif
+ ExtractValueInst::getIndexedType(Agg->getType(), Idxs, Idxs+NumIdx);
assert(ValTy == Val->getType() && "insertvalue indices invalid!");
- return getInsertValueTy(ReqTy, Agg, Val, IdxList, NumIdx);
-}
+#endif
-Constant *ConstantExpr::getExtractValueTy(const Type *ReqTy, Constant *Agg,
- const unsigned *Idxs, unsigned NumIdx) {
assert(ExtractValueInst::getIndexedType(Agg->getType(), Idxs,
- Idxs+NumIdx) == ReqTy &&
- "extractvalue indices invalid!");
+ Idxs+NumIdx) == Val->getType() &&
+ "insertvalue indices invalid!");
+ assert(Agg->getType() == ReqTy &&
+ "insertvalue type invalid!");
assert(Agg->getType()->isFirstClassType() &&
- "Non-first-class type for constant extractvalue expression");
- Constant *FC = ConstantFoldExtractValueInstruction(
- ReqTy->getContext(), Agg, Idxs, NumIdx);
- assert(FC && "ExtractValue constant expr couldn't be folded!");
+ "Non-first-class type for constant InsertValue expression");
+ Constant *FC = ConstantFoldInsertValueInstruction(Agg, Val, Idxs, NumIdx);
+ assert(FC && "InsertValue constant expr couldn't be folded!");
return FC;
}
Constant *ConstantExpr::getExtractValue(Constant *Agg,
- const unsigned *IdxList, unsigned NumIdx) {
+ const unsigned *Idxs, unsigned NumIdx) {
assert(Agg->getType()->isFirstClassType() &&
"Tried to create extractelement operation on non-first-class type!");
const Type *ReqTy =
- ExtractValueInst::getIndexedType(Agg->getType(), IdxList, IdxList+NumIdx);
+ ExtractValueInst::getIndexedType(Agg->getType(), Idxs, Idxs+NumIdx);
+ (void)ReqTy;
assert(ReqTy && "extractvalue indices invalid!");
- return getExtractValueTy(ReqTy, Agg, IdxList, NumIdx);
+
+ assert(Agg->getType()->isFirstClassType() &&
+ "Non-first-class type for constant extractvalue expression");
+ Constant *FC = ConstantFoldExtractValueInstruction(Agg, Idxs, NumIdx);
+ assert(FC && "ExtractValue constant expr couldn't be folded!");
+ return FC;
}
-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() &&
+Constant *ConstantExpr::getNeg(Constant *C, bool HasNUW, bool HasNSW) {
+ assert(C->getType()->isIntOrIntVectorTy() &&
"Cannot NEG a nonintegral value!");
- return get(Instruction::Sub,
- ConstantFP::getZeroValueForNegation(C->getType()),
- C);
+ return getSub(ConstantFP::getZeroValueForNegation(C->getType()),
+ C, HasNUW, HasNSW);
}
-Constant* ConstantExpr::getFNeg(Constant* C) {
- assert(C->getType()->isFPOrFPVector() &&
+Constant *ConstantExpr::getFNeg(Constant *C) {
+ assert(C->getType()->isFPOrFPVectorTy() &&
"Cannot FNEG a non-floating-point value!");
- return get(Instruction::FSub,
- ConstantFP::getZeroValueForNegation(C->getType()),
- C);
+ return getFSub(ConstantFP::getZeroValueForNegation(C->getType()), C);
}
-Constant* ConstantExpr::getNot(Constant* C) {
- assert(C->getType()->isIntOrIntVector() &&
+Constant *ConstantExpr::getNot(Constant *C) {
+ assert(C->getType()->isIntOrIntVectorTy() &&
"Cannot NOT a nonintegral value!");
return get(Instruction::Xor, C, Constant::getAllOnesValue(C->getType()));
}
-Constant* ConstantExpr::getAdd(Constant* C1, Constant* C2) {
- return get(Instruction::Add, C1, C2);
+Constant *ConstantExpr::getAdd(Constant *C1, Constant *C2,
+ bool HasNUW, bool HasNSW) {
+ unsigned Flags = (HasNUW ? OverflowingBinaryOperator::NoUnsignedWrap : 0) |
+ (HasNSW ? OverflowingBinaryOperator::NoSignedWrap : 0);
+ return get(Instruction::Add, C1, C2, Flags);
}
-Constant* ConstantExpr::getFAdd(Constant* C1, Constant* C2) {
+Constant *ConstantExpr::getFAdd(Constant *C1, Constant *C2) {
return get(Instruction::FAdd, C1, C2);
}
-Constant* ConstantExpr::getSub(Constant* C1, Constant* C2) {
- return get(Instruction::Sub, C1, C2);
+Constant *ConstantExpr::getSub(Constant *C1, Constant *C2,
+ bool HasNUW, bool HasNSW) {
+ unsigned Flags = (HasNUW ? OverflowingBinaryOperator::NoUnsignedWrap : 0) |
+ (HasNSW ? OverflowingBinaryOperator::NoSignedWrap : 0);
+ return get(Instruction::Sub, C1, C2, Flags);
}
-Constant* ConstantExpr::getFSub(Constant* C1, Constant* C2) {
+Constant *ConstantExpr::getFSub(Constant *C1, Constant *C2) {
return get(Instruction::FSub, C1, C2);
}
-Constant* ConstantExpr::getMul(Constant* C1, Constant* C2) {
- return get(Instruction::Mul, C1, C2);
+Constant *ConstantExpr::getMul(Constant *C1, Constant *C2,
+ bool HasNUW, bool HasNSW) {
+ unsigned Flags = (HasNUW ? OverflowingBinaryOperator::NoUnsignedWrap : 0) |
+ (HasNSW ? OverflowingBinaryOperator::NoSignedWrap : 0);
+ return get(Instruction::Mul, C1, C2, Flags);
}
-Constant* ConstantExpr::getFMul(Constant* C1, Constant* C2) {
+Constant *ConstantExpr::getFMul(Constant *C1, Constant *C2) {
return get(Instruction::FMul, C1, C2);
}
-Constant* ConstantExpr::getUDiv(Constant* C1, Constant* C2) {
- return get(Instruction::UDiv, C1, C2);
+Constant *ConstantExpr::getUDiv(Constant *C1, Constant *C2, bool isExact) {
+ return get(Instruction::UDiv, C1, C2,
+ isExact ? PossiblyExactOperator::IsExact : 0);
}
-Constant* ConstantExpr::getSDiv(Constant* C1, Constant* C2) {
- return get(Instruction::SDiv, C1, C2);
+Constant *ConstantExpr::getSDiv(Constant *C1, Constant *C2, bool isExact) {
+ return get(Instruction::SDiv, C1, C2,
+ isExact ? PossiblyExactOperator::IsExact : 0);
}
-Constant* ConstantExpr::getFDiv(Constant* C1, Constant* C2) {
+Constant *ConstantExpr::getFDiv(Constant *C1, Constant *C2) {
return get(Instruction::FDiv, C1, C2);
}
-Constant* ConstantExpr::getURem(Constant* C1, Constant* C2) {
+Constant *ConstantExpr::getURem(Constant *C1, Constant *C2) {
return get(Instruction::URem, C1, C2);
}
-Constant* ConstantExpr::getSRem(Constant* C1, Constant* C2) {
+Constant *ConstantExpr::getSRem(Constant *C1, Constant *C2) {
return get(Instruction::SRem, C1, C2);
}
-Constant* ConstantExpr::getFRem(Constant* C1, Constant* C2) {
+Constant *ConstantExpr::getFRem(Constant *C1, Constant *C2) {
return get(Instruction::FRem, C1, C2);
}
-Constant* ConstantExpr::getAnd(Constant* C1, Constant* C2) {
+Constant *ConstantExpr::getAnd(Constant *C1, Constant *C2) {
return get(Instruction::And, C1, C2);
}
-Constant* ConstantExpr::getOr(Constant* C1, Constant* C2) {
+Constant *ConstantExpr::getOr(Constant *C1, Constant *C2) {
return get(Instruction::Or, C1, C2);
}
-Constant* ConstantExpr::getXor(Constant* C1, Constant* C2) {
+Constant *ConstantExpr::getXor(Constant *C1, Constant *C2) {
return get(Instruction::Xor, C1, C2);
}
-Constant* ConstantExpr::getShl(Constant* C1, Constant* C2) {
- return get(Instruction::Shl, C1, C2);
+Constant *ConstantExpr::getShl(Constant *C1, Constant *C2,
+ bool HasNUW, bool HasNSW) {
+ unsigned Flags = (HasNUW ? OverflowingBinaryOperator::NoUnsignedWrap : 0) |
+ (HasNSW ? OverflowingBinaryOperator::NoSignedWrap : 0);
+ return get(Instruction::Shl, C1, C2, Flags);
}
-Constant* ConstantExpr::getLShr(Constant* C1, Constant* C2) {
- return get(Instruction::LShr, C1, C2);
+Constant *ConstantExpr::getLShr(Constant *C1, Constant *C2, bool isExact) {
+ return get(Instruction::LShr, C1, C2,
+ isExact ? PossiblyExactOperator::IsExact : 0);
}
-Constant* ConstantExpr::getAShr(Constant* C1, Constant* C2) {
- return get(Instruction::AShr, C1, C2);
+Constant *ConstantExpr::getAShr(Constant *C1, Constant *C2, bool isExact) {
+ return get(Instruction::AShr, C1, C2,
+ isExact ? PossiblyExactOperator::IsExact : 0);
}
// destroyConstant - Remove the constant from the constant table...
//
void ConstantExpr::destroyConstant() {
- // Implicitly locked.
- LLVMContextImpl *pImpl = getType()->getContext().pImpl;
- pImpl->ExprConstants.remove(this);
+ getType()->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
/// single invocation handles all 1000 uses. Handling them one at a time would
/// work, but would be really slow because it would have to unique each updated
/// array instance.
-
-static std::vector<Constant*> getValType(ConstantArray *CA) {
- std::vector<Constant*> Elements;
- Elements.reserve(CA->getNumOperands());
- for (unsigned i = 0, e = CA->getNumOperands(); i != e; ++i)
- Elements.push_back(cast<Constant>(CA->getOperand(i)));
- return Elements;
-}
-
-
+///
void ConstantArray::replaceUsesOfWithOnConstant(Value *From, Value *To,
Use *U) {
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 = getType()->getContext().pImpl;
- std::pair<LLVMContextImpl::ArrayConstantsTy::MapKey, Constant*> Lookup;
- Lookup.first.first = getType();
+ std::pair<LLVMContextImpl::ArrayConstantsTy::MapKey, ConstantArray*> Lookup;
+ Lookup.first.first = cast<ArrayType>(getType());
Lookup.second = this;
std::vector<Constant*> &Values = Lookup.first.second;
Replacement = ConstantAggregateZero::get(getType());
} else {
// Check to see if we have this array type already.
- sys::SmartScopedWriter<true> Writer(pImpl->ConstantsLock);
bool Exists;
LLVMContextImpl::ArrayConstantsTy::MapTy::iterator I =
pImpl->ArrayConstants.InsertOrGetItem(Lookup, Exists);
destroyConstant();
}
-static std::vector<Constant*> getValType(ConstantStruct *CS) {
- std::vector<Constant*> Elements;
- Elements.reserve(CS->getNumOperands());
- for (unsigned i = 0, e = CS->getNumOperands(); i != e; ++i)
- Elements.push_back(cast<Constant>(CS->getOperand(i)));
- return Elements;
-}
-
void ConstantStruct::replaceUsesOfWithOnConstant(Value *From, Value *To,
Use *U) {
assert(isa<Constant>(To) && "Cannot make Constant refer to non-constant!");
unsigned OperandToUpdate = U-OperandList;
assert(getOperand(OperandToUpdate) == From && "ReplaceAllUsesWith broken!");
- std::pair<LLVMContextImpl::StructConstantsTy::MapKey, Constant*> Lookup;
- Lookup.first.first = getType();
+ std::pair<LLVMContextImpl::StructConstantsTy::MapKey, ConstantStruct*> Lookup;
+ Lookup.first.first = cast<StructType>(getType());
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 = getContext().pImpl;
Constant *Replacement = 0;
if (isAllZeros) {
Replacement = ConstantAggregateZero::get(getType());
} else {
- // Check to see if we have this array type already.
- sys::SmartScopedWriter<true> Writer(pImpl->ConstantsLock);
+ // Check to see if we have this struct type already.
bool Exists;
LLVMContextImpl::StructConstantsTy::MapTy::iterator I =
pImpl->StructConstants.InsertOrGetItem(Lookup, Exists);
destroyConstant();
}
-static std::vector<Constant*> getValType(ConstantVector *CP) {
- std::vector<Constant*> Elements;
- Elements.reserve(CP->getNumOperands());
- for (unsigned i = 0, e = CP->getNumOperands(); i != e; ++i)
- Elements.push_back(CP->getOperand(i));
- return Elements;
-}
-
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(Values);
assert(Replacement != this && "I didn't contain From!");
// Everyone using this now uses the replacement.
Indices.push_back(Val);
}
Replacement = ConstantExpr::getGetElementPtr(Pointer,
- &Indices[0], Indices.size());
+ &Indices[0], Indices.size(),
+ cast<GEPOperator>(this)->isInBounds());
} else if (getOpcode() == Instruction::ExtractValue) {
Constant *Agg = getOperand(0);
if (Agg == From) Agg = To;
- const SmallVector<unsigned, 4> &Indices = getIndices();
+ ArrayRef<unsigned> Indices = getIndices();
Replacement = ConstantExpr::getExtractValue(Agg,
&Indices[0], Indices.size());
} else if (getOpcode() == Instruction::InsertValue) {
if (Agg == From) Agg = To;
if (Val == From) Val = To;
- const SmallVector<unsigned, 4> &Indices = getIndices();
+ ArrayRef<unsigned> Indices = getIndices();
Replacement = ConstantExpr::getInsertValue(Agg, Val,
&Indices[0], Indices.size());
} else if (isCast()) {
Constant *C2 = getOperand(1);
if (C1 == From) C1 = To;
if (C2 == From) C2 = To;
- Replacement = ConstantExpr::get(getOpcode(), C1, C2, SubclassData);
+ Replacement = ConstantExpr::get(getOpcode(), C1, C2, SubclassOptionalData);
} else {
llvm_unreachable("Unknown ConstantExpr type!");
return;
// Delete the old constant!
destroyConstant();
}
-