#include "llvm/Instruction.h"
#include "llvm/OperandTraits.h"
+#include "llvm/Operator.h"
#include "llvm/DerivedTypes.h"
namespace llvm {
virtual void setSuccessorV(unsigned idx, BasicBlock *B) = 0;
public:
- virtual Instruction *clone(LLVMContext &Context) const = 0;
+ virtual TerminatorInst *clone() const = 0;
/// getNumSuccessors - Return the number of successors that this terminator
/// has.
class UnaryInstruction : public Instruction {
void *operator new(size_t, unsigned); // Do not implement
- UnaryInstruction(const UnaryInstruction&); // Do not implement
protected:
UnaryInstruction(const Type *Ty, unsigned iType, Value *V,
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const UnaryInstruction *) { return true; }
static inline bool classof(const Instruction *I) {
- return I->getOpcode() == Instruction::Malloc ||
- I->getOpcode() == Instruction::Alloca ||
+ return I->getOpcode() == Instruction::Alloca ||
I->getOpcode() == Instruction::Free ||
I->getOpcode() == Instruction::Load ||
I->getOpcode() == Instruction::VAArg ||
};
template <>
-struct OperandTraits<UnaryInstruction> : FixedNumOperandTraits<1> {
+struct OperandTraits<UnaryInstruction> : public FixedNumOperandTraits<1> {
};
DEFINE_TRANSPARENT_OPERAND_ACCESSORS(UnaryInstruction, Value)
#include "llvm/Instruction.def"
+ /// CreateNSWAdd - Create an Add operator with the NSW flag set.
+ ///
+ static BinaryOperator *CreateNSWAdd(Value *V1, Value *V2,
+ const Twine &Name = "") {
+ BinaryOperator *BO = CreateAdd(V1, V2, Name);
+ BO->setHasNoSignedWrap(true);
+ return BO;
+ }
+ static BinaryOperator *CreateNSWAdd(Value *V1, Value *V2,
+ const Twine &Name, BasicBlock *BB) {
+ BinaryOperator *BO = CreateAdd(V1, V2, Name, BB);
+ BO->setHasNoSignedWrap(true);
+ return BO;
+ }
+ static BinaryOperator *CreateNSWAdd(Value *V1, Value *V2,
+ const Twine &Name, Instruction *I) {
+ BinaryOperator *BO = CreateAdd(V1, V2, Name, I);
+ BO->setHasNoSignedWrap(true);
+ return BO;
+ }
+
+ /// CreateNSWSub - Create an Sub operator with the NSW flag set.
+ ///
+ static BinaryOperator *CreateNSWSub(Value *V1, Value *V2,
+ const Twine &Name = "") {
+ BinaryOperator *BO = CreateSub(V1, V2, Name);
+ BO->setHasNoSignedWrap(true);
+ return BO;
+ }
+ static BinaryOperator *CreateNSWSub(Value *V1, Value *V2,
+ const Twine &Name, BasicBlock *BB) {
+ BinaryOperator *BO = CreateSub(V1, V2, Name, BB);
+ BO->setHasNoSignedWrap(true);
+ return BO;
+ }
+ static BinaryOperator *CreateNSWSub(Value *V1, Value *V2,
+ const Twine &Name, Instruction *I) {
+ BinaryOperator *BO = CreateSub(V1, V2, Name, I);
+ BO->setHasNoSignedWrap(true);
+ return BO;
+ }
+
+ /// CreateExactSDiv - Create an SDiv operator with the exact flag set.
+ ///
+ static BinaryOperator *CreateExactSDiv(Value *V1, Value *V2,
+ const Twine &Name = "") {
+ BinaryOperator *BO = CreateSDiv(V1, V2, Name);
+ BO->setIsExact(true);
+ return BO;
+ }
+ static BinaryOperator *CreateExactSDiv(Value *V1, Value *V2,
+ const Twine &Name, BasicBlock *BB) {
+ BinaryOperator *BO = CreateSDiv(V1, V2, Name, BB);
+ BO->setIsExact(true);
+ return BO;
+ }
+ static BinaryOperator *CreateExactSDiv(Value *V1, Value *V2,
+ const Twine &Name, Instruction *I) {
+ BinaryOperator *BO = CreateSDiv(V1, V2, Name, I);
+ BO->setIsExact(true);
+ return BO;
+ }
+
/// Helper functions to construct and inspect unary operations (NEG and NOT)
/// via binary operators SUB and XOR:
///
/// CreateNeg, CreateNot - Create the NEG and NOT
/// instructions out of SUB and XOR instructions.
///
- static BinaryOperator *CreateNeg(LLVMContext &Context,
- Value *Op, const Twine &Name = "",
+ static BinaryOperator *CreateNeg(Value *Op, const Twine &Name = "",
Instruction *InsertBefore = 0);
- static BinaryOperator *CreateNeg(LLVMContext &Context,
- Value *Op, const Twine &Name,
+ static BinaryOperator *CreateNeg(Value *Op, const Twine &Name,
BasicBlock *InsertAtEnd);
- static BinaryOperator *CreateFNeg(LLVMContext &Context,
- Value *Op, const Twine &Name = "",
+ static BinaryOperator *CreateFNeg(Value *Op, const Twine &Name = "",
Instruction *InsertBefore = 0);
- static BinaryOperator *CreateFNeg(LLVMContext &Context,
- Value *Op, const Twine &Name,
+ static BinaryOperator *CreateFNeg(Value *Op, const Twine &Name,
BasicBlock *InsertAtEnd);
- static BinaryOperator *CreateNot(LLVMContext &Context,
- Value *Op, const Twine &Name = "",
+ static BinaryOperator *CreateNot(Value *Op, const Twine &Name = "",
Instruction *InsertBefore = 0);
- static BinaryOperator *CreateNot(LLVMContext &Context,
- Value *Op, const Twine &Name,
+ static BinaryOperator *CreateNot(Value *Op, const Twine &Name,
BasicBlock *InsertAtEnd);
/// isNeg, isFNeg, isNot - Check if the given Value is a
return static_cast<BinaryOps>(Instruction::getOpcode());
}
- virtual BinaryOperator *clone(LLVMContext &Context) const;
+ virtual BinaryOperator *clone() const;
/// swapOperands - Exchange the two operands to this instruction.
/// This instruction is safe to use on any binary instruction and
///
bool swapOperands();
+ /// setHasNoUnsignedWrap - Set or clear the nsw flag on this instruction,
+ /// which must be an operator which supports this flag. See LangRef.html
+ /// for the meaning of this flag.
+ void setHasNoUnsignedWrap(bool b = true);
+
+ /// setHasNoSignedWrap - Set or clear the nsw flag on this instruction,
+ /// which must be an operator which supports this flag. See LangRef.html
+ /// for the meaning of this flag.
+ void setHasNoSignedWrap(bool b = true);
+
+ /// setIsExact - Set or clear the exact flag on this instruction,
+ /// which must be an operator which supports this flag. See LangRef.html
+ /// for the meaning of this flag.
+ void setIsExact(bool b = true);
+
+ /// hasNoUnsignedWrap - Determine whether the no unsigned wrap flag is set.
+ bool hasNoUnsignedWrap() const;
+
+ /// hasNoSignedWrap - Determine whether the no signed wrap flag is set.
+ bool hasNoSignedWrap() const;
+
+ /// isExact - Determine whether the exact flag is set.
+ bool isExact() const;
+
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const BinaryOperator *) { return true; }
static inline bool classof(const Instruction *I) {
};
template <>
-struct OperandTraits<BinaryOperator> : FixedNumOperandTraits<2> {
+struct OperandTraits<BinaryOperator> : public FixedNumOperandTraits<2> {
};
DEFINE_TRANSPARENT_OPERAND_ACCESSORS(BinaryOperator, Value)
/// if (isa<CastInst>(Instr)) { ... }
/// @brief Base class of casting instructions.
class CastInst : public UnaryInstruction {
- /// @brief Copy constructor
- CastInst(const CastInst &CI)
- : UnaryInstruction(CI.getType(), CI.getOpcode(), CI.getOperand(0)) {
- }
- /// @brief Do not allow default construction
- CastInst();
protected:
/// @brief Constructor with insert-before-instruction semantics for subclasses
CastInst(const Type *Ty, unsigned iType, Value *S,
/// instruction into a BasicBlock right before the specified instruction.
/// The specified Instruction is allowed to be a dereferenced end iterator.
/// @brief Create a CmpInst
- static CmpInst *Create(LLVMContext &Context, OtherOps Op,
+ static CmpInst *Create(OtherOps Op,
unsigned short predicate, Value *S1,
Value *S2, const Twine &Name = "",
Instruction *InsertBefore = 0);
/// @brief Create a result type for fcmp/icmp
static const Type* makeCmpResultType(const Type* opnd_type) {
if (const VectorType* vt = dyn_cast<const VectorType>(opnd_type)) {
- return VectorType::get(Type::Int1Ty, vt->getNumElements());
+ return VectorType::get(Type::getInt1Ty(opnd_type->getContext()),
+ vt->getNumElements());
}
- return Type::Int1Ty;
+ return Type::getInt1Ty(opnd_type->getContext());
}
};
// FIXME: these are redundant if CmpInst < BinaryOperator
template <>
-struct OperandTraits<CmpInst> : FixedNumOperandTraits<2> {
+struct OperandTraits<CmpInst> : public FixedNumOperandTraits<2> {
};
DEFINE_TRANSPARENT_OPERAND_ACCESSORS(CmpInst, Value)
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