#ifndef LLVM_OPERATOR_H
#define LLVM_OPERATOR_H
-#include "llvm/Instruction.h"
#include "llvm/Constants.h"
+#include "llvm/DerivedTypes.h"
+#include "llvm/Instruction.h"
+#include "llvm/Type.h"
namespace llvm {
private:
// Do not implement any of these. The Operator class is intended to be used
// as a utility, and is never itself instantiated.
- void *operator new(size_t, unsigned);
- void *operator new(size_t s);
- Operator();
+ void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
+ void *operator new(size_t s) LLVM_DELETED_FUNCTION;
+ Operator() LLVM_DELETED_FUNCTION;
+ // NOTE: cannot use LLVM_DELETED_FUNCTION because gcc errors when deleting
+ // an override of a non-deleted function.
~Operator();
public:
return Instruction::UserOp1;
}
- static inline bool classof(const Operator *) { return true; }
static inline bool classof(const Instruction *) { return true; }
static inline bool classof(const ConstantExpr *) { return true; }
static inline bool classof(const Value *V) {
};
private:
- ~OverflowingBinaryOperator(); // do not implement
+ ~OverflowingBinaryOperator(); // DO NOT IMPLEMENT
friend class BinaryOperator;
friend class ConstantExpr;
return (SubclassOptionalData & NoSignedWrap) != 0;
}
- static inline bool classof(const OverflowingBinaryOperator *) { return true; }
static inline bool classof(const Instruction *I) {
return I->getOpcode() == Instruction::Add ||
I->getOpcode() == Instruction::Sub ||
};
private:
- ~PossiblyExactOperator(); // do not implement
+ ~PossiblyExactOperator(); // DO NOT IMPLEMENT
friend class BinaryOperator;
friend class ConstantExpr;
(isa<ConstantExpr>(V) && classof(cast<ConstantExpr>(V)));
}
};
-
+
+/// FPMathOperator - Utility class for floating point operations which can have
+/// information about relaxed accuracy requirements attached to them.
+class FPMathOperator : public Operator {
+private:
+ ~FPMathOperator(); // DO NOT IMPLEMENT
+
+public:
+
+ /// \brief Get the maximum error permitted by this operation in ULPs. An
+ /// accuracy of 0.0 means that the operation should be performed with the
+ /// default precision.
+ float getFPAccuracy() const;
+
+ static inline bool classof(const Instruction *I) {
+ return I->getType()->isFPOrFPVectorTy();
+ }
+ static inline bool classof(const Value *V) {
+ return isa<Instruction>(V) && classof(cast<Instruction>(V));
+ }
+};
/// ConcreteOperator - A helper template for defining operators for individual
/// opcodes.
template<typename SuperClass, unsigned Opc>
class ConcreteOperator : public SuperClass {
- ~ConcreteOperator(); // DO NOT IMPLEMENT
+ ~ConcreteOperator() LLVM_DELETED_FUNCTION;
public:
- static inline bool classof(const ConcreteOperator<SuperClass, Opc> *) {
- return true;
- }
static inline bool classof(const Instruction *I) {
return I->getOpcode() == Opc;
}
class AddOperator
: public ConcreteOperator<OverflowingBinaryOperator, Instruction::Add> {
- ~AddOperator(); // DO NOT IMPLEMENT
+ ~AddOperator() LLVM_DELETED_FUNCTION;
};
class SubOperator
: public ConcreteOperator<OverflowingBinaryOperator, Instruction::Sub> {
- ~SubOperator(); // DO NOT IMPLEMENT
+ ~SubOperator() LLVM_DELETED_FUNCTION;
};
class MulOperator
: public ConcreteOperator<OverflowingBinaryOperator, Instruction::Mul> {
- ~MulOperator(); // DO NOT IMPLEMENT
+ ~MulOperator() LLVM_DELETED_FUNCTION;
};
class ShlOperator
: public ConcreteOperator<OverflowingBinaryOperator, Instruction::Shl> {
- ~ShlOperator(); // DO NOT IMPLEMENT
+ ~ShlOperator() LLVM_DELETED_FUNCTION;
};
class SDivOperator
: public ConcreteOperator<PossiblyExactOperator, Instruction::SDiv> {
- ~SDivOperator(); // DO NOT IMPLEMENT
+ ~SDivOperator() LLVM_DELETED_FUNCTION;
};
class UDivOperator
: public ConcreteOperator<PossiblyExactOperator, Instruction::UDiv> {
- ~UDivOperator(); // DO NOT IMPLEMENT
+ ~UDivOperator() LLVM_DELETED_FUNCTION;
};
class AShrOperator
: public ConcreteOperator<PossiblyExactOperator, Instruction::AShr> {
- ~AShrOperator(); // DO NOT IMPLEMENT
+ ~AShrOperator() LLVM_DELETED_FUNCTION;
};
class LShrOperator
: public ConcreteOperator<PossiblyExactOperator, Instruction::LShr> {
- ~LShrOperator(); // DO NOT IMPLEMENT
+ ~LShrOperator() LLVM_DELETED_FUNCTION;
};
class GEPOperator
: public ConcreteOperator<Operator, Instruction::GetElementPtr> {
- ~GEPOperator(); // DO NOT IMPLEMENT
+ ~GEPOperator() LLVM_DELETED_FUNCTION;
enum {
IsInBounds = (1 << 0)
return getPointerOperand()->getType();
}
+ /// getPointerAddressSpace - Method to return the address space of the
+ /// pointer operand.
+ unsigned getPointerAddressSpace() const {
+ return cast<PointerType>(getPointerOperandType())->getAddressSpace();
+ }
+
unsigned getNumIndices() const { // Note: always non-negative
return getNumOperands() - 1;
}