#include "llvm/ADT/StringMap.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/Debug.h"
+#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/MathExtras.h"
+#include "llvm/System/Mutex.h"
#include "llvm/System/RWMutex.h"
#include "llvm/System/Threading.h"
#include "llvm/ADT/DenseMap.h"
}
// Static constructor to create a '0' constant of arbitrary type...
-Constant *Constant::getNullValue(const Type *Ty, bool locked) {
- static uint64_t zero[2] = {0, 0};
+static const uint64_t zero[2] = {0, 0};
+Constant *Constant::getNullValue(const Type *Ty) {
switch (Ty->getTypeID()) {
case Type::IntegerTyID:
- return ConstantInt::get(Ty, 0, locked);
+ return ConstantInt::get(Ty, 0);
case Type::FloatTyID:
- return ConstantFP::get(APFloat(APInt(32, 0)), locked);
+ return ConstantFP::get(APFloat(APInt(32, 0)));
case Type::DoubleTyID:
- return ConstantFP::get(APFloat(APInt(64, 0)), locked);
+ return ConstantFP::get(APFloat(APInt(64, 0)));
case Type::X86_FP80TyID:
- return ConstantFP::get(APFloat(APInt(80, 2, zero)), locked);
+ return ConstantFP::get(APFloat(APInt(80, 2, zero)));
case Type::FP128TyID:
- return ConstantFP::get(APFloat(APInt(128, 2, zero), true), locked);
+ return ConstantFP::get(APFloat(APInt(128, 2, zero), true));
case Type::PPC_FP128TyID:
- return ConstantFP::get(APFloat(APInt(128, 2, zero)), locked);
+ return ConstantFP::get(APFloat(APInt(128, 2, zero)));
case Type::PointerTyID:
- return ConstantPointerNull::get(cast<PointerType>(Ty), locked);
+ return ConstantPointerNull::get(cast<PointerType>(Ty));
case Type::StructTyID:
case Type::ArrayTyID:
case Type::VectorTyID:
- return ConstantAggregateZero::get(Ty, locked);
+ return ConstantAggregateZero::get(Ty);
default:
// Function, Label, or Opaque type?
assert(!"Cannot create a null constant of that type!");
}
// Static constructor to create an integral constant with all bits set
-ConstantInt *ConstantInt::getAllOnesValue(const Type *Ty, bool locked) {
+ConstantInt *ConstantInt::getAllOnesValue(const Type *Ty) {
if (const IntegerType* ITy = dyn_cast<IntegerType>(Ty))
- return ConstantInt::get(APInt::getAllOnesValue(ITy->getBitWidth()), locked);
+ return ConstantInt::get(APInt::getAllOnesValue(ITy->getBitWidth()));
return 0;
}
/// @returns the value for a vector integer constant of the given type that
/// has all its bits set to true.
/// @brief Get the all ones value
-ConstantVector *ConstantVector::getAllOnesValue(const VectorType *Ty,
- bool locked) {
+ConstantVector *ConstantVector::getAllOnesValue(const VectorType *Ty) {
std::vector<Constant*> Elts;
Elts.resize(Ty->getNumElements(),
- ConstantInt::getAllOnesValue(Ty->getElementType(), locked));
+ ConstantInt::getAllOnesValue(Ty->getElementType()));
assert(Elts[0] && "Not a vector integer type!");
- return cast<ConstantVector>(ConstantVector::get(Elts, locked));
+ return cast<ConstantVector>(ConstantVector::get(Elts));
}
static ManagedStatic<IntMapTy> IntConstants;
ConstantInt *ConstantInt::get(const IntegerType *Ty,
- uint64_t V, bool isSigned, bool locked) {
- return get(APInt(Ty->getBitWidth(), V, isSigned), locked);
+ uint64_t V, bool isSigned) {
+ return get(APInt(Ty->getBitWidth(), V, isSigned));
}
-Constant *ConstantInt::get(const Type *Ty, uint64_t V,
- bool isSigned, bool locked) {
+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),
- locked);
+ ConstantVector::get(std::vector<Constant *>(VTy->getNumElements(), C));
return C;
}
// 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(const APInt& V, bool locked) {
+ConstantInt *ConstantInt::get(const APInt& V) {
// Get the corresponding integer type for the bit width of the value.
const IntegerType *ITy = IntegerType::get(V.getBitWidth());
// get an existing value or the insertion position
DenseMapAPIntKeyInfo::KeyTy Key(V, ITy);
- if (locked) ConstantsLock->reader_acquire();
+ ConstantsLock->reader_acquire();
ConstantInt *&Slot = (*IntConstants)[Key];
- if (locked) ConstantsLock->reader_release();
+ ConstantsLock->reader_release();
if (!Slot) {
- if (locked) {
- sys::SmartScopedWriter<true> Writer(&*ConstantsLock);
- ConstantInt *&NewSlot = (*IntConstants)[Key];
- if (!Slot) {
- NewSlot = new ConstantInt(ITy, V);
- }
- return NewSlot;
- } else {
- Slot = new ConstantInt(ITy, V);
+ sys::SmartScopedWriter<true> Writer(*ConstantsLock);
+ ConstantInt *&NewSlot = (*IntConstants)[Key];
+ if (!Slot) {
+ NewSlot = new ConstantInt(ITy, V);
}
+
+ return NewSlot;
+ } else {
+ return Slot;
}
-
- return Slot;
}
-Constant *ConstantInt::get(const Type *Ty, const APInt &V, bool locked) {
- ConstantInt *C = ConstantInt::get(V, locked);
+Constant *ConstantInt::get(const Type *Ty, const APInt &V) {
+ ConstantInt *C = ConstantInt::get(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),
- locked);
+ ConstantVector::get(std::vector<Constant *>(VTy->getNumElements(), C));
return C;
}
static ManagedStatic<FPMapTy> FPConstants;
-ConstantFP *ConstantFP::get(const APFloat &V, bool locked) {
+ConstantFP *ConstantFP::get(const APFloat &V) {
DenseMapAPFloatKeyInfo::KeyTy Key(V);
- if (locked) ConstantsLock->reader_acquire();
+ ConstantsLock->reader_acquire();
ConstantFP *&Slot = (*FPConstants)[Key];
- if (locked) ConstantsLock->reader_release();
+ ConstantsLock->reader_release();
if (!Slot) {
- if (locked) {
- sys::SmartScopedWriter<true> Writer(&*ConstantsLock);
- ConstantFP *&NewSlot = (*FPConstants)[Key];
- if (!NewSlot) {
- const Type *Ty;
- if (&V.getSemantics() == &APFloat::IEEEsingle)
- Ty = Type::FloatTy;
- else if (&V.getSemantics() == &APFloat::IEEEdouble)
- Ty = Type::DoubleTy;
- else if (&V.getSemantics() == &APFloat::x87DoubleExtended)
- Ty = Type::X86_FP80Ty;
- else if (&V.getSemantics() == &APFloat::IEEEquad)
- Ty = Type::FP128Ty;
- else {
- assert(&V.getSemantics() == &APFloat::PPCDoubleDouble &&
- "Unknown FP format");
- Ty = Type::PPC_FP128Ty;
- }
- NewSlot = new ConstantFP(Ty, V);
- }
-
- return NewSlot;
- } else {
+ sys::SmartScopedWriter<true> Writer(*ConstantsLock);
+ ConstantFP *&NewSlot = (*FPConstants)[Key];
+ if (!NewSlot) {
const Type *Ty;
if (&V.getSemantics() == &APFloat::IEEEsingle)
Ty = Type::FloatTy;
"Unknown FP format");
Ty = Type::PPC_FP128Ty;
}
- Slot = new ConstantFP(Ty, V);
+ NewSlot = new ConstantFP(Ty, V);
}
+
+ return NewSlot;
}
return Slot;
/// 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, bool locked) {
+Constant *ConstantFP::get(const Type *Ty, double V) {
APFloat FV(V);
bool ignored;
FV.convert(*TypeToFloatSemantics(Ty->getScalarType()),
APFloat::rmNearestTiesToEven, &ignored);
- Constant *C = get(FV, locked);
+ Constant *C = get(FV);
// For vectors, broadcast the value.
if (const VectorType *VTy = dyn_cast<VectorType>(Ty))
return
- ConstantVector::get(std::vector<Constant *>(VTy->getNumElements(), C),
- locked);
+ ConstantVector::get(std::vector<Constant *>(VTy->getNumElements(), C));
return C;
}
}
bool ConstantExpr::isCompare() const {
- return getOpcode() == Instruction::ICmp || getOpcode() == Instruction::FCmp ||
- getOpcode() == Instruction::VICmp || getOpcode() == Instruction::VFCmp;
+ return getOpcode() == Instruction::ICmp || getOpcode() == Instruction::FCmp;
}
bool ConstantExpr::hasIndices() const {
return get(Instruction::Xor, C,
Constant::getAllOnesValue(C->getType()));
}
-Constant *ConstantExpr::getAdd(Constant *C1, Constant *C2, bool locked) {
- return get(Instruction::Add, C1, C2, locked);
+Constant *ConstantExpr::getAdd(Constant *C1, Constant *C2) {
+ return get(Instruction::Add, C1, C2);
}
-Constant *ConstantExpr::getFAdd(Constant *C1, Constant *C2, bool locked) {
- return get(Instruction::FAdd, C1, C2, locked);
+Constant *ConstantExpr::getFAdd(Constant *C1, Constant *C2) {
+ return get(Instruction::FAdd, C1, C2);
}
-Constant *ConstantExpr::getSub(Constant *C1, Constant *C2, bool locked) {
- return get(Instruction::Sub, C1, C2, locked);
+Constant *ConstantExpr::getSub(Constant *C1, Constant *C2) {
+ return get(Instruction::Sub, C1, C2);
}
-Constant *ConstantExpr::getFSub(Constant *C1, Constant *C2, bool locked) {
- return get(Instruction::FSub, C1, C2, locked);
+Constant *ConstantExpr::getFSub(Constant *C1, Constant *C2) {
+ return get(Instruction::FSub, C1, C2);
}
-Constant *ConstantExpr::getMul(Constant *C1, Constant *C2, bool locked) {
- return get(Instruction::Mul, C1, C2, locked);
+Constant *ConstantExpr::getMul(Constant *C1, Constant *C2) {
+ return get(Instruction::Mul, C1, C2);
}
-Constant *ConstantExpr::getFMul(Constant *C1, Constant *C2, bool locked) {
- return get(Instruction::FMul, C1, C2, locked);
+Constant *ConstantExpr::getFMul(Constant *C1, Constant *C2) {
+ return get(Instruction::FMul, C1, C2);
}
-Constant *ConstantExpr::getUDiv(Constant *C1, Constant *C2, bool locked) {
- return get(Instruction::UDiv, C1, C2, locked);
+Constant *ConstantExpr::getUDiv(Constant *C1, Constant *C2) {
+ return get(Instruction::UDiv, C1, C2);
}
-Constant *ConstantExpr::getSDiv(Constant *C1, Constant *C2, bool locked) {
- return get(Instruction::SDiv, C1, C2, locked);
+Constant *ConstantExpr::getSDiv(Constant *C1, Constant *C2) {
+ return get(Instruction::SDiv, C1, C2);
}
-Constant *ConstantExpr::getFDiv(Constant *C1, Constant *C2, bool locked) {
- return get(Instruction::FDiv, C1, C2, locked);
+Constant *ConstantExpr::getFDiv(Constant *C1, Constant *C2) {
+ return get(Instruction::FDiv, C1, C2);
}
-Constant *ConstantExpr::getURem(Constant *C1, Constant *C2, bool locked) {
- return get(Instruction::URem, C1, C2, locked);
+Constant *ConstantExpr::getURem(Constant *C1, Constant *C2) {
+ return get(Instruction::URem, C1, C2);
}
-Constant *ConstantExpr::getSRem(Constant *C1, Constant *C2, bool locked) {
- return get(Instruction::SRem, C1, C2, locked);
+Constant *ConstantExpr::getSRem(Constant *C1, Constant *C2) {
+ return get(Instruction::SRem, C1, C2);
}
-Constant *ConstantExpr::getFRem(Constant *C1, Constant *C2, bool locked) {
- return get(Instruction::FRem, C1, C2, locked);
+Constant *ConstantExpr::getFRem(Constant *C1, Constant *C2) {
+ return get(Instruction::FRem, C1, C2);
}
-Constant *ConstantExpr::getAnd(Constant *C1, Constant *C2, bool locked) {
- return get(Instruction::And, C1, C2, locked);
+Constant *ConstantExpr::getAnd(Constant *C1, Constant *C2) {
+ return get(Instruction::And, C1, C2);
}
-Constant *ConstantExpr::getOr(Constant *C1, Constant *C2, bool locked) {
- return get(Instruction::Or, C1, C2, locked);
+Constant *ConstantExpr::getOr(Constant *C1, Constant *C2) {
+ return get(Instruction::Or, C1, C2);
}
-Constant *ConstantExpr::getXor(Constant *C1, Constant *C2, bool locked) {
- return get(Instruction::Xor, C1, C2, locked);
+Constant *ConstantExpr::getXor(Constant *C1, Constant *C2) {
+ return get(Instruction::Xor, C1, C2);
}
unsigned ConstantExpr::getPredicate() const {
assert(getOpcode() == Instruction::FCmp ||
- getOpcode() == Instruction::ICmp ||
- getOpcode() == Instruction::VFCmp ||
- getOpcode() == Instruction::VICmp);
+ getOpcode() == Instruction::ICmp);
return ((const CompareConstantExpr*)this)->predicate;
}
-Constant *ConstantExpr::getShl(Constant *C1, Constant *C2, bool locked) {
- return get(Instruction::Shl, C1, C2, locked);
+Constant *ConstantExpr::getShl(Constant *C1, Constant *C2) {
+ return get(Instruction::Shl, C1, C2);
}
-Constant *ConstantExpr::getLShr(Constant *C1, Constant *C2, bool locked) {
- return get(Instruction::LShr, C1, C2, locked);
+Constant *ConstantExpr::getLShr(Constant *C1, Constant *C2) {
+ return get(Instruction::LShr, C1, C2);
}
-Constant *ConstantExpr::getAShr(Constant *C1, Constant *C2, bool locked) {
- return get(Instruction::AShr, C1, C2, locked);
+Constant *ConstantExpr::getAShr(Constant *C1, Constant *C2) {
+ return get(Instruction::AShr, C1, C2);
}
/// getWithOperandReplaced - Return a constant expression identical to this
return ConstantExpr::getGetElementPtr(Ops[0], &Ops[1], NumOps-1);
case Instruction::ICmp:
case Instruction::FCmp:
- case Instruction::VICmp:
- case Instruction::VFCmp:
return ConstantExpr::getCompare(getPredicate(), Ops[0], Ops[1]);
default:
assert(getNumOperands() == 2 && "Must be binary operator?");
template<class ConstantClass, class TypeClass>
struct VISIBILITY_HIDDEN ConvertConstantType {
static void convert(ConstantClass *OldC, const TypeClass *NewTy) {
- assert(0 && "This type cannot be converted!\n");
- abort();
+ LLVM_UNREACHABLE("This type cannot be converted!\n");
}
};
/// AbstractTypeMap - Map for abstract type constants.
///
AbstractTypeMapTy AbstractTypeMap;
+
+ /// ValueMapLock - Mutex for this map.
+ sys::SmartMutex<true> ValueMapLock;
public:
// NOTE: This function is not locked. It is the caller's responsibility
/// getOrCreate - Return the specified constant from the map, creating it if
/// necessary.
ConstantClass *getOrCreate(const TypeClass *Ty, const ValType &V) {
- MapKey Lookup(Ty, V);
- ConstantClass* Result = 0;
-
- ConstantsLock->reader_acquire();
- typename MapTy::iterator I = Map.find(Lookup);
- // Is it in the map?
- if (I != Map.end())
- Result = static_cast<ConstantClass *>(I->second);
- ConstantsLock->reader_release();
-
- if (!Result) {
- sys::SmartScopedWriter<true> Writer(&*ConstantsLock);
- I = Map.find(Lookup);
- // Is it in the map?
- if (I != Map.end())
- Result = static_cast<ConstantClass *>(I->second);
- if (!Result) {
- // If no preexisting value, create one now...
- Result = Create(Ty, V, I);
- }
- }
-
- return Result;
- }
-
- /// unlockedGetOrCreate - Return the specified constant from the map,
- /// creating it if necessary. This version performs no locking, and should
- /// only be used during recursive type refinement, when the locks are
- /// already held.
- ConstantClass *unlockedGetOrCreate(const TypeClass *Ty, const ValType &V) {
+ sys::SmartScopedLock<true> Lock(ValueMapLock);
MapKey Lookup(Ty, V);
ConstantClass* Result = 0;
return Result;
}
- void remove(ConstantClass *CP, bool locked = true) {
- if (locked) ConstantsLock->writer_acquire();
+ void remove(ConstantClass *CP) {
+ sys::SmartScopedLock<true> Lock(ValueMapLock);
typename MapTy::iterator I = FindExistingElement(CP);
assert(I != Map.end() && "Constant not found in constant table!");
assert(I->second == CP && "Didn't find correct element?");
}
Map.erase(I);
-
- if (locked) ConstantsLock->writer_release();
}
}
void refineAbstractType(const DerivedType *OldTy, const Type *NewTy) {
- ConstantsLock->writer_acquire();
+ sys::SmartScopedLock<true> Lock(ValueMapLock);
typename AbstractTypeMapTy::iterator I =
AbstractTypeMap.find(cast<Type>(OldTy));
I = AbstractTypeMap.find(cast<Type>(OldTy));
} while (I != AbstractTypeMap.end());
-
- ConstantsLock->writer_release();
}
// If the type became concrete without being refined to any other existing
// type, we just remove ourselves from the ATU list.
void typeBecameConcrete(const DerivedType *AbsTy) {
- sys::SmartScopedWriter<true> Writer(&*ConstantsLock);
AbsTy->removeAbstractTypeUser(this);
}
struct ConvertConstantType<ConstantAggregateZero, Type> {
static void convert(ConstantAggregateZero *OldC, const Type *NewTy) {
// Make everyone now use a constant of the new type...
- Constant *New = ConstantAggregateZero::get(NewTy, false);
+ Constant *New = ConstantAggregateZero::get(NewTy);
assert(New != OldC && "Didn't replace constant??");
OldC->uncheckedReplaceAllUsesWith(New);
- OldC->destroyConstant(false); // This constant is now dead, destroy it.
+ OldC->destroyConstant(); // This constant is now dead, destroy it.
}
};
}
static char getValType(ConstantAggregateZero *CPZ) { return 0; }
-ConstantAggregateZero *ConstantAggregateZero::get(const Type *Ty, bool locked) {
+ConstantAggregateZero *ConstantAggregateZero::get(const Type *Ty) {
assert((isa<StructType>(Ty) || isa<ArrayType>(Ty) || isa<VectorType>(Ty)) &&
"Cannot create an aggregate zero of non-aggregate type!");
-
- return locked ? AggZeroConstants->getOrCreate(Ty, 0) :
- AggZeroConstants->unlockedGetOrCreate(Ty, 0);
+
+ // Implicitly locked.
+ return AggZeroConstants->getOrCreate(Ty, 0);
}
/// destroyConstant - Remove the constant from the constant table...
///
-void ConstantAggregateZero::destroyConstant(bool locked) {
+void ConstantAggregateZero::destroyConstant() {
// Implicitly locked.
- AggZeroConstants->remove(this, locked);
+ AggZeroConstants->remove(this);
destroyConstantImpl();
}
std::vector<Constant*> C;
for (unsigned i = 0, e = OldC->getNumOperands(); i != e; ++i)
C.push_back(cast<Constant>(OldC->getOperand(i)));
- Constant *New = ConstantArray::get(NewTy, C, false);
+ Constant *New = ConstantArray::get(NewTy, C);
assert(New != OldC && "Didn't replace constant??");
OldC->uncheckedReplaceAllUsesWith(New);
- OldC->destroyConstant(false); // This constant is now dead, destroy it.
+ OldC->destroyConstant(); // This constant is now dead, destroy it.
}
};
}
static ManagedStatic<ArrayConstantsTy> ArrayConstants;
Constant *ConstantArray::get(const ArrayType *Ty,
- const std::vector<Constant*> &V,
- bool locked) {
+ const std::vector<Constant*> &V) {
// If this is an all-zero array, return a ConstantAggregateZero object
if (!V.empty()) {
Constant *C = V[0];
if (!C->isNullValue()) {
- if (locked)
- // Implicitly locked.
- return ArrayConstants->getOrCreate(Ty, V);
- else
- return ArrayConstants->unlockedGetOrCreate(Ty, V);
+ // Implicitly locked.
+ return ArrayConstants->getOrCreate(Ty, V);
}
for (unsigned i = 1, e = V.size(); i != e; ++i)
if (V[i] != C) {
- if (locked)
- // Implicitly locked.
- return ArrayConstants->getOrCreate(Ty, V);
- else
- return ArrayConstants->unlockedGetOrCreate(Ty, V);
+ // Implicitly locked.
+ return ArrayConstants->getOrCreate(Ty, V);
}
}
- return ConstantAggregateZero::get(Ty, locked);
+ return ConstantAggregateZero::get(Ty);
}
/// destroyConstant - Remove the constant from the constant table...
///
-void ConstantArray::destroyConstant(bool locked) {
+void ConstantArray::destroyConstant() {
// Implicitly locked.
- ArrayConstants->remove(this, locked);
+ ArrayConstants->remove(this);
destroyConstantImpl();
}
/// Otherwise, the length parameter specifies how much of the string to use
/// and it won't be null terminated.
///
-Constant *ConstantArray::get(const std::string &Str,
- bool AddNull, bool locked) {
+Constant *ConstantArray::get(const std::string &Str, bool AddNull) {
std::vector<Constant*> ElementVals;
for (unsigned i = 0; i < Str.length(); ++i)
ElementVals.push_back(ConstantInt::get(Type::Int8Ty, Str[i]));
}
ArrayType *ATy = ArrayType::get(Type::Int8Ty, ElementVals.size());
- return ConstantArray::get(ATy, ElementVals, locked);
+ return ConstantArray::get(ATy, ElementVals);
}
/// isString - This method returns true if the array is an array of i8, and
std::vector<Constant*> C;
for (unsigned i = 0, e = OldC->getNumOperands(); i != e; ++i)
C.push_back(cast<Constant>(OldC->getOperand(i)));
- Constant *New = ConstantStruct::get(NewTy, C, false);
+ Constant *New = ConstantStruct::get(NewTy, C);
assert(New != OldC && "Didn't replace constant??");
OldC->uncheckedReplaceAllUsesWith(New);
- OldC->destroyConstant(false); // This constant is now dead, destroy it.
+ OldC->destroyConstant(); // This constant is now dead, destroy it.
}
};
}
}
Constant *ConstantStruct::get(const StructType *Ty,
- const std::vector<Constant*> &V,
- bool locked) {
+ const std::vector<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 locked ? StructConstants->getOrCreate(Ty, V) :
- StructConstants->unlockedGetOrCreate(Ty, V);
+ // Implicitly locked.
+ return StructConstants->getOrCreate(Ty, V);
- return ConstantAggregateZero::get(Ty, locked);
+ return ConstantAggregateZero::get(Ty);
}
-Constant *ConstantStruct::get(const std::vector<Constant*> &V, bool packed,
- bool locked) {
+Constant *ConstantStruct::get(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(StructEls, packed), V, locked);
+ return get(StructType::get(StructEls, packed), V);
}
// destroyConstant - Remove the constant from the constant table...
//
-void ConstantStruct::destroyConstant(bool locked) {
+void ConstantStruct::destroyConstant() {
// Implicitly locked.
- StructConstants->remove(this, locked);
+ StructConstants->remove(this);
destroyConstantImpl();
}
std::vector<Constant*> C;
for (unsigned i = 0, e = OldC->getNumOperands(); i != e; ++i)
C.push_back(cast<Constant>(OldC->getOperand(i)));
- Constant *New = ConstantVector::get(NewTy, C, false);
+ Constant *New = ConstantVector::get(NewTy, C);
assert(New != OldC && "Didn't replace constant??");
OldC->uncheckedReplaceAllUsesWith(New);
- OldC->destroyConstant(false); // This constant is now dead, destroy it.
+ OldC->destroyConstant(); // This constant is now dead, destroy it.
}
};
}
ConstantVector> > VectorConstants;
Constant *ConstantVector::get(const VectorType *Ty,
- const std::vector<Constant*> &V,
- bool locked) {
+ const std::vector<Constant*> &V) {
assert(!V.empty() && "Vectors can't be empty");
// If this is an all-undef or alll-zero vector, return a
// ConstantAggregateZero or UndefValue.
}
if (isZero)
- return ConstantAggregateZero::get(Ty, locked);
+ return ConstantAggregateZero::get(Ty);
if (isUndef)
- return UndefValue::get(Ty, locked);
+ return UndefValue::get(Ty);
- return locked ? VectorConstants->getOrCreate(Ty, V) :
- VectorConstants->unlockedGetOrCreate(Ty, V);
+ // Implicitly locked.
+ return VectorConstants->getOrCreate(Ty, V);
}
-Constant *ConstantVector::get(const std::vector<Constant*> &V, bool locked) {
+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, locked);
+ return get(VectorType::get(V.front()->getType(),V.size()), V);
}
// destroyConstant - Remove the constant from the constant table...
//
-void ConstantVector::destroyConstant(bool locked) {
+void ConstantVector::destroyConstant() {
// Implicitly locked.
- VectorConstants->remove(this, locked);
+ VectorConstants->remove(this);
destroyConstantImpl();
}
struct ConvertConstantType<ConstantPointerNull, PointerType> {
static void convert(ConstantPointerNull *OldC, const PointerType *NewTy) {
// Make everyone now use a constant of the new type...
- Constant *New = ConstantPointerNull::get(NewTy, false);
+ Constant *New = ConstantPointerNull::get(NewTy);
assert(New != OldC && "Didn't replace constant??");
OldC->uncheckedReplaceAllUsesWith(New);
- OldC->destroyConstant(false); // This constant is now dead, destroy it.
+ OldC->destroyConstant(); // This constant is now dead, destroy it.
}
};
}
}
-ConstantPointerNull *ConstantPointerNull::get(const PointerType *Ty,
- bool locked) {
+ConstantPointerNull *ConstantPointerNull::get(const PointerType *Ty) {
// Implicitly locked.
- return locked ? NullPtrConstants->getOrCreate(Ty, 0) :
- NullPtrConstants->unlockedGetOrCreate(Ty, 0);
+ return NullPtrConstants->getOrCreate(Ty, 0);
}
// destroyConstant - Remove the constant from the constant table...
//
-void ConstantPointerNull::destroyConstant(bool locked) {
+void ConstantPointerNull::destroyConstant() {
// Implicitly locked.
- NullPtrConstants->remove(this, locked);
+ NullPtrConstants->remove(this);
destroyConstantImpl();
}
struct ConvertConstantType<UndefValue, Type> {
static void convert(UndefValue *OldC, const Type *NewTy) {
// Make everyone now use a constant of the new type.
- Constant *New = UndefValue::get(NewTy, false);
+ Constant *New = UndefValue::get(NewTy);
assert(New != OldC && "Didn't replace constant??");
OldC->uncheckedReplaceAllUsesWith(New);
- OldC->destroyConstant(false); // This constant is now dead, destroy it.
+ OldC->destroyConstant(); // This constant is now dead, destroy it.
}
};
}
}
-UndefValue *UndefValue::get(const Type *Ty, bool locked) {
- return locked ? UndefValueConstants->getOrCreate(Ty, 0) :
- UndefValueConstants->unlockedGetOrCreate(Ty, 0);
+UndefValue *UndefValue::get(const Type *Ty) {
+ // Implicitly locked.
+ return UndefValueConstants->getOrCreate(Ty, 0);
}
// destroyConstant - Remove the constant from the constant table.
//
-void UndefValue::destroyConstant(bool locked) {
+void UndefValue::destroyConstant() {
// Implicitly locked.
- UndefValueConstants->remove(this, locked);
+ UndefValueConstants->remove(this);
destroyConstantImpl();
}
static ManagedStatic<StringMap<MDString*> > MDStringCache;
-MDString *MDString::get(const char *StrBegin, const char *StrEnd, bool locked) {
- if (locked) ConstantsLock->writer_acquire();
-
+MDString *MDString::get(const char *StrBegin, const char *StrEnd) {
+ sys::SmartScopedWriter<true> Writer(*ConstantsLock);
StringMapEntry<MDString *> &Entry = MDStringCache->GetOrCreateValue(
StrBegin, StrEnd);
MDString *&S = Entry.getValue();
if (!S) S = new MDString(Entry.getKeyData(),
Entry.getKeyData() + Entry.getKeyLength());
- if (locked) ConstantsLock->writer_release();
+ return S;
+}
+
+MDString *MDString::get(const std::string &Str) {
+ sys::SmartScopedWriter<true> Writer(*ConstantsLock);
+ StringMapEntry<MDString *> &Entry = MDStringCache->GetOrCreateValue(
+ Str.data(), Str.data() + Str.size());
+ MDString *&S = Entry.getValue();
+ if (!S) S = new MDString(Entry.getKeyData(),
+ Entry.getKeyData() + Entry.getKeyLength());
return S;
}
-void MDString::destroyConstant(bool locked) {
- if (locked) ConstantsLock->writer_acquire();
+void MDString::destroyConstant() {
+ sys::SmartScopedWriter<true> Writer(*ConstantsLock);
MDStringCache->erase(MDStringCache->find(StrBegin, StrEnd));
destroyConstantImpl();
- if (locked) ConstantsLock->writer_release();
}
//---- MDNode::get() implementation
ID.AddPointer(*I);
}
-MDNode *MDNode::get(Value*const* Vals, unsigned NumVals, bool locked) {
+MDNode *MDNode::get(Value*const* Vals, unsigned NumVals) {
FoldingSetNodeID ID;
for (unsigned i = 0; i != NumVals; ++i)
ID.AddPointer(Vals[i]);
- if (locked) ConstantsLock->reader_acquire();
+ ConstantsLock->reader_acquire();
void *InsertPoint;
MDNode *N = MDNodeSet->FindNodeOrInsertPos(ID, InsertPoint);
- if (locked) ConstantsLock->reader_release();
+ ConstantsLock->reader_release();
if (!N) {
- if (locked) {
- sys::SmartScopedWriter<true> Writer(&*ConstantsLock);
- N = MDNodeSet->FindNodeOrInsertPos(ID, InsertPoint);
- if (!N) {
- // InsertPoint will have been set by the FindNodeOrInsertPos call.
- N = new(0) MDNode(Vals, NumVals);
- MDNodeSet->InsertNode(N, InsertPoint);
- }
- } else {
+ sys::SmartScopedWriter<true> Writer(*ConstantsLock);
+ N = MDNodeSet->FindNodeOrInsertPos(ID, InsertPoint);
+ if (!N) {
// InsertPoint will have been set by the FindNodeOrInsertPos call.
N = new(0) MDNode(Vals, NumVals);
MDNodeSet->InsertNode(N, InsertPoint);
return N;
}
-void MDNode::destroyConstant(bool locked) {
- if (locked) ConstantsLock->writer_acquire();
+void MDNode::destroyConstant() {
+ sys::SmartScopedWriter<true> Writer(*ConstantsLock);
MDNodeSet->RemoveNode(this);
+
destroyConstantImpl();
- if (locked) ConstantsLock->writer_release();
}
//---- ConstantExpr::get() implementations...
if (V.opcode == Instruction::FCmp)
return new CompareConstantExpr(Ty, Instruction::FCmp, V.predicate,
V.operands[0], V.operands[1]);
- if (V.opcode == Instruction::VICmp)
- return new CompareConstantExpr(Ty, Instruction::VICmp, V.predicate,
- V.operands[0], V.operands[1]);
- if (V.opcode == Instruction::VFCmp)
- return new CompareConstantExpr(Ty, Instruction::VFCmp, V.predicate,
- V.operands[0], V.operands[1]);
assert(0 && "Invalid ConstantExpr!");
return 0;
}
case Instruction::IntToPtr:
case Instruction::BitCast:
New = ConstantExpr::getCast(OldC->getOpcode(), OldC->getOperand(0),
- NewTy, false);
+ NewTy);
break;
case Instruction::Select:
New = ConstantExpr::getSelectTy(NewTy, OldC->getOperand(0),
OldC->getOperand(1),
- OldC->getOperand(2), false);
+ OldC->getOperand(2));
break;
default:
assert(OldC->getOpcode() >= Instruction::BinaryOpsBegin &&
OldC->getOpcode() < Instruction::BinaryOpsEnd);
New = ConstantExpr::getTy(NewTy, OldC->getOpcode(), OldC->getOperand(0),
- OldC->getOperand(1), false);
+ OldC->getOperand(1));
break;
case Instruction::GetElementPtr:
// Make everyone now use a constant of the new type...
std::vector<Value*> Idx(OldC->op_begin()+1, OldC->op_end());
New = ConstantExpr::getGetElementPtrTy(NewTy, OldC->getOperand(0),
- &Idx[0], Idx.size(), false);
+ &Idx[0], Idx.size());
break;
}
assert(New != OldC && "Didn't replace constant??");
OldC->uncheckedReplaceAllUsesWith(New);
- OldC->destroyConstant(false); // This constant is now dead, destroy it.
+ OldC->destroyConstant(); // This constant is now dead, destroy it.
}
};
} // end namespace llvm
/// 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, bool locked) {
+ 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(opc, C, Ty, locked))
+ if (Constant *FC = ConstantFoldCastInstruction(opc, C, Ty))
return FC;
// Look up the constant in the table first to ensure uniqueness
ExprMapKeyType Key(opc, argVec);
// Implicitly locked.
- return locked ? ExprConstants->getOrCreate(Ty, Key) :
- ExprConstants->unlockedGetOrCreate(Ty, Key);
+ return ExprConstants->getOrCreate(Ty, Key);
}
-Constant *ConstantExpr::getCast(unsigned oc, Constant *C, const Type *Ty,
- bool locked) {
+Constant *ConstantExpr::getCast(unsigned oc, Constant *C, const Type *Ty) {
Instruction::CastOps opc = Instruction::CastOps(oc);
assert(Instruction::isCast(opc) && "opcode out of range");
assert(C && Ty && "Null arguments to getCast");
default:
assert(0 && "Invalid cast opcode");
break;
- case Instruction::Trunc: return getTrunc(C, Ty, locked);
- case Instruction::ZExt: return getZExt(C, Ty, locked);
- case Instruction::SExt: return getSExt(C, Ty, locked);
- case Instruction::FPTrunc: return getFPTrunc(C, Ty, locked);
- case Instruction::FPExt: return getFPExtend(C, Ty, locked);
- case Instruction::UIToFP: return getUIToFP(C, Ty, locked);
- case Instruction::SIToFP: return getSIToFP(C, Ty, locked);
- case Instruction::FPToUI: return getFPToUI(C, Ty, locked);
- case Instruction::FPToSI: return getFPToSI(C, Ty, locked);
- case Instruction::PtrToInt: return getPtrToInt(C, Ty, locked);
- case Instruction::IntToPtr: return getIntToPtr(C, Ty, locked);
- case Instruction::BitCast: return getBitCast(C, Ty, locked);
+ 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;
}
return getCast(Instruction::ZExt, C, Ty);
}
-Constant *ConstantExpr::getSExtOrBitCast(Constant *C, const Type *Ty,
- bool locked) {
+Constant *ConstantExpr::getSExtOrBitCast(Constant *C, const Type *Ty) {
if (C->getType()->getScalarSizeInBits() == Ty->getScalarSizeInBits())
- return getCast(Instruction::BitCast, C, Ty, locked);
- return getCast(Instruction::SExt, C, Ty, locked);
+ return getCast(Instruction::BitCast, C, Ty);
+ return getCast(Instruction::SExt, C, Ty);
}
Constant *ConstantExpr::getTruncOrBitCast(Constant *C, const Type *Ty) {
return getCast(Instruction::Trunc, C, Ty);
}
-Constant *ConstantExpr::getPointerCast(Constant *S, const Type *Ty,
- bool locked) {
+Constant *ConstantExpr::getPointerCast(Constant *S, const Type *Ty) {
assert(isa<PointerType>(S->getType()) && "Invalid cast");
assert((Ty->isInteger() || isa<PointerType>(Ty)) && "Invalid cast");
if (Ty->isInteger())
- return getCast(Instruction::PtrToInt, S, Ty, locked);
- return getCast(Instruction::BitCast, S, Ty, locked);
+ return getCast(Instruction::PtrToInt, S, Ty);
+ return getCast(Instruction::BitCast, S, Ty);
}
Constant *ConstantExpr::getIntegerCast(Constant *C, const Type *Ty,
return getCast(opcode, C, Ty);
}
-Constant *ConstantExpr::getTrunc(Constant *C, const Type *Ty, bool locked) {
+Constant *ConstantExpr::getTrunc(Constant *C, const Type *Ty) {
#ifndef NDEBUG
bool fromVec = C->getType()->getTypeID() == Type::VectorTyID;
bool toVec = Ty->getTypeID() == Type::VectorTyID;
assert(C->getType()->getScalarSizeInBits() > Ty->getScalarSizeInBits()&&
"SrcTy must be larger than DestTy for Trunc!");
- return getFoldedCast(Instruction::Trunc, C, Ty, locked);
+ return getFoldedCast(Instruction::Trunc, C, Ty);
}
-Constant *ConstantExpr::getSExt(Constant *C, const Type *Ty, bool locked) {
+Constant *ConstantExpr::getSExt(Constant *C, const Type *Ty) {
#ifndef NDEBUG
bool fromVec = C->getType()->getTypeID() == Type::VectorTyID;
bool toVec = Ty->getTypeID() == Type::VectorTyID;
assert(C->getType()->getScalarSizeInBits() < Ty->getScalarSizeInBits()&&
"SrcTy must be smaller than DestTy for SExt!");
- return getFoldedCast(Instruction::SExt, C, Ty, locked);
+ return getFoldedCast(Instruction::SExt, C, Ty);
}
-Constant *ConstantExpr::getZExt(Constant *C, const Type *Ty, bool locked) {
+Constant *ConstantExpr::getZExt(Constant *C, const Type *Ty) {
#ifndef NDEBUG
bool fromVec = C->getType()->getTypeID() == Type::VectorTyID;
bool toVec = Ty->getTypeID() == Type::VectorTyID;
assert(C->getType()->getScalarSizeInBits() < Ty->getScalarSizeInBits()&&
"SrcTy must be smaller than DestTy for ZExt!");
- return getFoldedCast(Instruction::ZExt, C, Ty, locked);
+ return getFoldedCast(Instruction::ZExt, C, Ty);
}
-Constant *ConstantExpr::getFPTrunc(Constant *C, const Type *Ty, bool locked) {
+Constant *ConstantExpr::getFPTrunc(Constant *C, const Type *Ty) {
#ifndef NDEBUG
bool fromVec = C->getType()->getTypeID() == Type::VectorTyID;
bool toVec = Ty->getTypeID() == Type::VectorTyID;
assert(C->getType()->isFPOrFPVector() && Ty->isFPOrFPVector() &&
C->getType()->getScalarSizeInBits() > Ty->getScalarSizeInBits()&&
"This is an illegal floating point truncation!");
- return getFoldedCast(Instruction::FPTrunc, C, Ty, locked);
+ return getFoldedCast(Instruction::FPTrunc, C, Ty);
}
-Constant *ConstantExpr::getFPExtend(Constant *C, const Type *Ty, bool locked) {
+Constant *ConstantExpr::getFPExtend(Constant *C, const Type *Ty) {
#ifndef NDEBUG
bool fromVec = C->getType()->getTypeID() == Type::VectorTyID;
bool toVec = Ty->getTypeID() == Type::VectorTyID;
assert(C->getType()->isFPOrFPVector() && Ty->isFPOrFPVector() &&
C->getType()->getScalarSizeInBits() < Ty->getScalarSizeInBits()&&
"This is an illegal floating point extension!");
- return getFoldedCast(Instruction::FPExt, C, Ty, locked);
+ return getFoldedCast(Instruction::FPExt, C, Ty);
}
-Constant *ConstantExpr::getUIToFP(Constant *C, const Type *Ty, bool locked) {
+Constant *ConstantExpr::getUIToFP(Constant *C, const Type *Ty) {
#ifndef NDEBUG
bool fromVec = C->getType()->getTypeID() == Type::VectorTyID;
bool toVec = Ty->getTypeID() == Type::VectorTyID;
assert((fromVec == toVec) && "Cannot convert from scalar to/from vector");
assert(C->getType()->isIntOrIntVector() && Ty->isFPOrFPVector() &&
"This is an illegal uint to floating point cast!");
- return getFoldedCast(Instruction::UIToFP, C, Ty, locked);
+ return getFoldedCast(Instruction::UIToFP, C, Ty);
}
-Constant *ConstantExpr::getSIToFP(Constant *C, const Type *Ty, bool locked) {
+Constant *ConstantExpr::getSIToFP(Constant *C, const Type *Ty) {
#ifndef NDEBUG
bool fromVec = C->getType()->getTypeID() == Type::VectorTyID;
bool toVec = Ty->getTypeID() == Type::VectorTyID;
assert((fromVec == toVec) && "Cannot convert from scalar to/from vector");
assert(C->getType()->isIntOrIntVector() && Ty->isFPOrFPVector() &&
"This is an illegal sint to floating point cast!");
- return getFoldedCast(Instruction::SIToFP, C, Ty, locked);
+ return getFoldedCast(Instruction::SIToFP, C, Ty);
}
-Constant *ConstantExpr::getFPToUI(Constant *C, const Type *Ty, bool locked) {
+Constant *ConstantExpr::getFPToUI(Constant *C, const Type *Ty) {
#ifndef NDEBUG
bool fromVec = C->getType()->getTypeID() == Type::VectorTyID;
bool toVec = Ty->getTypeID() == Type::VectorTyID;
assert((fromVec == toVec) && "Cannot convert from scalar to/from vector");
assert(C->getType()->isFPOrFPVector() && Ty->isIntOrIntVector() &&
"This is an illegal floating point to uint cast!");
- return getFoldedCast(Instruction::FPToUI, C, Ty, locked);
+ return getFoldedCast(Instruction::FPToUI, C, Ty);
}
-Constant *ConstantExpr::getFPToSI(Constant *C, const Type *Ty, bool locked) {
+Constant *ConstantExpr::getFPToSI(Constant *C, const Type *Ty) {
#ifndef NDEBUG
bool fromVec = C->getType()->getTypeID() == Type::VectorTyID;
bool toVec = Ty->getTypeID() == Type::VectorTyID;
assert((fromVec == toVec) && "Cannot convert from scalar to/from vector");
assert(C->getType()->isFPOrFPVector() && Ty->isIntOrIntVector() &&
"This is an illegal floating point to sint cast!");
- return getFoldedCast(Instruction::FPToSI, C, Ty, locked);
+ return getFoldedCast(Instruction::FPToSI, C, Ty);
}
-Constant *ConstantExpr::getPtrToInt(Constant *C, const Type *DstTy,
- bool locked) {
+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");
- return getFoldedCast(Instruction::PtrToInt, C, DstTy, locked);
+ return getFoldedCast(Instruction::PtrToInt, C, DstTy);
}
-Constant *ConstantExpr::getIntToPtr(Constant *C, const Type *DstTy,
- bool locked) {
+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");
- return getFoldedCast(Instruction::IntToPtr, C, DstTy, locked);
+ return getFoldedCast(Instruction::IntToPtr, C, DstTy);
}
-Constant *ConstantExpr::getBitCast(Constant *C, const Type *DstTy,
- bool locked) {
+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
// speedily.
if (C->getType() == DstTy) return C;
- return getFoldedCast(Instruction::BitCast, C, DstTy, locked);
+ return getFoldedCast(Instruction::BitCast, C, DstTy);
}
Constant *ConstantExpr::getAlignOf(const Type *Ty) {
}
Constant *ConstantExpr::getTy(const Type *ReqTy, unsigned Opcode,
- Constant *C1, Constant *C2, bool locked) {
+ Constant *C1, Constant *C2) {
// Check the operands for consistency first
assert(Opcode >= Instruction::BinaryOpsBegin &&
Opcode < Instruction::BinaryOpsEnd &&
"Operand types in binary constant expression should match");
if (ReqTy == C1->getType() || ReqTy == Type::Int1Ty)
- if (Constant *FC = ConstantFoldBinaryInstruction(Opcode, C1, C2, locked))
+ 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);
- return locked ? ExprConstants->getOrCreate(ReqTy, Key) :
- ExprConstants->unlockedGetOrCreate(ReqTy, Key);
+ // Implicitly locked.
+ return ExprConstants->getOrCreate(ReqTy, Key);
}
Constant *ConstantExpr::getCompareTy(unsigned short predicate,
Constant *C1, Constant *C2) {
- bool isVectorType = C1->getType()->getTypeID() == Type::VectorTyID;
switch (predicate) {
default: assert(0 && "Invalid CmpInst predicate");
case CmpInst::FCMP_FALSE: case CmpInst::FCMP_OEQ: case CmpInst::FCMP_OGT:
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 isVectorType ? getVFCmp(predicate, C1, C2)
- : getFCmp(predicate, C1, C2);
+ 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 isVectorType ? getVICmp(predicate, C1, C2)
- : getICmp(predicate, C1, C2);
+ return getICmp(predicate, C1, C2);
}
}
-Constant *ConstantExpr::get(unsigned Opcode, Constant *C1, Constant *C2,
- bool locked) {
+Constant *ConstantExpr::get(unsigned Opcode, Constant *C1, Constant *C2) {
// API compatibility: Adjust integer opcodes to floating-point opcodes.
if (C1->getType()->isFPOrFPVector()) {
if (Opcode == Instruction::Add) Opcode = Instruction::FAdd;
}
#endif
- return getTy(C1->getType(), Opcode, C1, C2, locked);
+ return getTy(C1->getType(), Opcode, C1, C2);
}
Constant *ConstantExpr::getCompare(unsigned short pred,
}
Constant *ConstantExpr::getSelectTy(const Type *ReqTy, Constant *C,
- Constant *V1, Constant *V2, bool locked) {
+ Constant *V1, Constant *V2) {
assert(!SelectInst::areInvalidOperands(C, V1, V2)&&"Invalid select operands");
if (ReqTy == V1->getType())
- if (Constant *SC = ConstantFoldSelectInstruction(C, V1, V2, locked))
+ if (Constant *SC = ConstantFoldSelectInstruction(C, V1, V2))
return SC; // Fold common cases
std::vector<Constant*> argVec(3, C);
argVec[2] = V2;
ExprMapKeyType Key(Instruction::Select, argVec);
- return locked ? ExprConstants->getOrCreate(ReqTy, Key) :
- ExprConstants->unlockedGetOrCreate(ReqTy, Key);
+ // Implicitly locked.
+ return ExprConstants->getOrCreate(ReqTy, Key);
}
Constant *ConstantExpr::getGetElementPtrTy(const Type *ReqTy, Constant *C,
Value* const *Idxs,
- unsigned NumIdx, bool locked) {
+ unsigned NumIdx) {
assert(GetElementPtrInst::getIndexedType(C->getType(), Idxs,
Idxs+NumIdx) ==
cast<PointerType>(ReqTy)->getElementType() &&
"GEP indices invalid!");
- if (Constant *FC = ConstantFoldGetElementPtr(C, (Constant**)Idxs,
- NumIdx, locked))
+ if (Constant *FC = ConstantFoldGetElementPtr(C, (Constant**)Idxs, NumIdx))
return FC; // Fold a few common cases...
assert(isa<PointerType>(C->getType()) &&
const ExprMapKeyType Key(Instruction::GetElementPtr, ArgVec);
// Implicitly locked.
- return locked ? ExprConstants->getOrCreate(ReqTy, Key) :
- ExprConstants->unlockedGetOrCreate(ReqTy, Key);
+ return ExprConstants->getOrCreate(ReqTy, Key);
}
Constant *ConstantExpr::getGetElementPtr(Constant *C, Value* const *Idxs,
- unsigned NumIdx, bool locked) {
+ 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, locked);
+ return getGetElementPtrTy(PointerType::get(Ty, As), C, Idxs, NumIdx);
}
Constant *ConstantExpr::getGetElementPtr(Constant *C, Constant* const *Idxs,
- unsigned NumIdx, bool locked) {
- return getGetElementPtr(C, (Value* const *)Idxs, NumIdx, locked);
+ unsigned NumIdx) {
+ return getGetElementPtr(C, (Value* const *)Idxs, NumIdx);
}
return ExprConstants->getOrCreate(Type::Int1Ty, Key);
}
-Constant *
-ConstantExpr::getVICmp(unsigned short pred, Constant* LHS, Constant* RHS) {
- assert(isa<VectorType>(LHS->getType()) && LHS->getType() == RHS->getType() &&
- "Tried to create vicmp operation on non-vector type!");
- assert(pred >= ICmpInst::FIRST_ICMP_PREDICATE &&
- pred <= ICmpInst::LAST_ICMP_PREDICATE && "Invalid VICmp Predicate");
-
- const VectorType *VTy = cast<VectorType>(LHS->getType());
- const Type *EltTy = VTy->getElementType();
- unsigned NumElts = VTy->getNumElements();
-
- // See if we can fold the element-wise comparison of the LHS and RHS.
- SmallVector<Constant *, 16> LHSElts, RHSElts;
- LHS->getVectorElements(LHSElts);
- RHS->getVectorElements(RHSElts);
-
- if (!LHSElts.empty() && !RHSElts.empty()) {
- SmallVector<Constant *, 16> Elts;
- for (unsigned i = 0; i != NumElts; ++i) {
- Constant *FC = ConstantFoldCompareInstruction(pred, LHSElts[i],
- RHSElts[i]);
- if (ConstantInt *FCI = dyn_cast_or_null<ConstantInt>(FC)) {
- if (FCI->getZExtValue())
- Elts.push_back(ConstantInt::getAllOnesValue(EltTy));
- else
- Elts.push_back(ConstantInt::get(EltTy, 0ULL));
- } else if (FC && isa<UndefValue>(FC)) {
- Elts.push_back(UndefValue::get(EltTy));
- } else {
- break;
- }
- }
- if (Elts.size() == NumElts)
- return ConstantVector::get(&Elts[0], Elts.size());
- }
-
- // Look up the constant in the table first to ensure uniqueness
- std::vector<Constant*> ArgVec;
- ArgVec.push_back(LHS);
- ArgVec.push_back(RHS);
- // Get the key type with both the opcode and predicate
- const ExprMapKeyType Key(Instruction::VICmp, ArgVec, pred);
-
- // Implicitly locked.
- return ExprConstants->getOrCreate(LHS->getType(), Key);
-}
-
-Constant *
-ConstantExpr::getVFCmp(unsigned short pred, Constant* LHS, Constant* RHS) {
- assert(isa<VectorType>(LHS->getType()) &&
- "Tried to create vfcmp operation on non-vector type!");
- assert(LHS->getType() == RHS->getType());
- assert(pred <= FCmpInst::LAST_FCMP_PREDICATE && "Invalid VFCmp Predicate");
-
- const VectorType *VTy = cast<VectorType>(LHS->getType());
- unsigned NumElts = VTy->getNumElements();
- const Type *EltTy = VTy->getElementType();
- const Type *REltTy = IntegerType::get(EltTy->getPrimitiveSizeInBits());
- const Type *ResultTy = VectorType::get(REltTy, NumElts);
-
- // See if we can fold the element-wise comparison of the LHS and RHS.
- SmallVector<Constant *, 16> LHSElts, RHSElts;
- LHS->getVectorElements(LHSElts);
- RHS->getVectorElements(RHSElts);
-
- if (!LHSElts.empty() && !RHSElts.empty()) {
- SmallVector<Constant *, 16> Elts;
- for (unsigned i = 0; i != NumElts; ++i) {
- Constant *FC = ConstantFoldCompareInstruction(pred, LHSElts[i],
- RHSElts[i]);
- if (ConstantInt *FCI = dyn_cast_or_null<ConstantInt>(FC)) {
- if (FCI->getZExtValue())
- Elts.push_back(ConstantInt::getAllOnesValue(REltTy));
- else
- Elts.push_back(ConstantInt::get(REltTy, 0ULL));
- } else if (FC && isa<UndefValue>(FC)) {
- Elts.push_back(UndefValue::get(REltTy));
- } else {
- break;
- }
- }
- if (Elts.size() == NumElts)
- return ConstantVector::get(&Elts[0], Elts.size());
- }
-
- // Look up the constant in the table first to ensure uniqueness
- std::vector<Constant*> ArgVec;
- ArgVec.push_back(LHS);
- ArgVec.push_back(RHS);
- // Get the key type with both the opcode and predicate
- const ExprMapKeyType Key(Instruction::VFCmp, ArgVec, pred);
-
- // Implicitly locked.
- return ExprConstants->getOrCreate(ResultTy, Key);
-}
-
Constant *ConstantExpr::getExtractElementTy(const Type *ReqTy, Constant *Val,
Constant *Idx) {
if (Constant *FC = ConstantFoldExtractElementInstruction(Val, Idx))
// destroyConstant - Remove the constant from the constant table...
//
-void ConstantExpr::destroyConstant(bool locked) {
- ExprConstants->remove(this, locked);
+void ConstantExpr::destroyConstant() {
+ // Implicitly locked.
+ ExprConstants->remove(this);
destroyConstantImpl();
}
Replacement = ConstantAggregateZero::get(getType());
} else {
// Check to see if we have this array type already.
- sys::SmartScopedWriter<true> Writer(&*ConstantsLock);
+ sys::SmartScopedWriter<true> Writer(*ConstantsLock);
bool Exists;
ArrayConstantsTy::MapTy::iterator I =
ArrayConstants->InsertOrGetItem(Lookup, Exists);
Constant *Replacement = 0;
if (isAllZeros) {
- // We're
Replacement = ConstantAggregateZero::get(getType());
} else {
// Check to see if we have this array type already.
- sys::SmartScopedWriter<true> Writer(&*ConstantsLock);
+ sys::SmartScopedWriter<true> Writer(*ConstantsLock);
bool Exists;
StructConstantsTy::MapTy::iterator I =
StructConstants->InsertOrGetItem(Lookup, Exists);
if (C2 == From) C2 = To;
if (getOpcode() == Instruction::ICmp)
Replacement = ConstantExpr::getICmp(getPredicate(), C1, C2);
- else if (getOpcode() == Instruction::FCmp)
- Replacement = ConstantExpr::getFCmp(getPredicate(), C1, C2);
- else if (getOpcode() == Instruction::VICmp)
- Replacement = ConstantExpr::getVICmp(getPredicate(), C1, C2);
else {
- assert(getOpcode() == Instruction::VFCmp);
- Replacement = ConstantExpr::getVFCmp(getPredicate(), C1, C2);
+ assert(getOpcode() == Instruction::FCmp);
+ Replacement = ConstantExpr::getFCmp(getPredicate(), C1, C2);
}
} else if (getNumOperands() == 2) {
Constant *C1 = getOperand(0);