UnaryInstruction(const UnaryInstruction&); // Do not implement
protected:
- UnaryInstruction(const Type *Ty, unsigned iType, Value *V, Instruction *IB = 0)
+ UnaryInstruction(const Type *Ty, unsigned iType, Value *V,
+ Instruction *IB = 0)
: Instruction(Ty, iType, &Op<0>(), 1, IB) {
Op<0>() = V;
}
/// Transparently provide more efficient getOperand methods.
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
-
+
// 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) {
: UnaryInstruction(CI.getType(), CI.getOpcode(), CI.getOperand(0)) {
}
/// @brief Do not allow default construction
- CastInst();
+ CastInst();
protected:
/// @brief Constructor with insert-before-instruction semantics for subclasses
- CastInst(const Type *Ty, unsigned iType, Value *S,
+ CastInst(const Type *Ty, unsigned iType, Value *S,
const std::string &NameStr = "", Instruction *InsertBefore = 0)
: UnaryInstruction(Ty, iType, S, InsertBefore) {
setName(NameStr);
}
/// @brief Constructor with insert-at-end-of-block semantics for subclasses
- CastInst(const Type *Ty, unsigned iType, Value *S,
+ CastInst(const Type *Ty, unsigned iType, Value *S,
const std::string &NameStr, BasicBlock *InsertAtEnd)
: UnaryInstruction(Ty, iType, S, InsertAtEnd) {
setName(NameStr);
}
public:
- /// Provides a way to construct any of the CastInst subclasses using an
+ /// Provides a way to construct any of the CastInst subclasses using an
/// opcode instead of the subclass's constructor. The opcode must be in the
/// CastOps category (Instruction::isCast(opcode) returns true). This
/// constructor has insert-before-instruction semantics to automatically
/// @brief Create an FPExt, BitCast, or FPTrunc for fp -> fp casts
static CastInst *CreateFPCast(
- Value *S, ///< The floating point value to be casted
+ Value *S, ///< The floating point value to be casted
const Type *Ty, ///< The floating point type to cast to
const std::string &Name = "", ///< Name for the instruction
Instruction *InsertBefore = 0 ///< Place to insert the instruction
/// @brief Create an FPExt, BitCast, or FPTrunc for fp -> fp casts
static CastInst *CreateFPCast(
- Value *S, ///< The floating point value to be casted
+ Value *S, ///< The floating point value to be casted
const Type *Ty, ///< The floating point type to cast to
const std::string &Name, ///< The name for the instruction
BasicBlock *InsertAtEnd ///< The block to insert the instruction into
bool DstIsSigned ///< Whether to treate the dest. as signed
);
- /// There are several places where we need to know if a cast instruction
+ /// There are several places where we need to know if a cast instruction
/// only deals with integer source and destination types. To simplify that
/// logic, this method is provided.
/// @returns true iff the cast has only integral typed operand and dest type.
/// A lossless cast is one that does not alter the basic value. It implies
/// a no-op cast but is more stringent, preventing things like int->float,
- /// long->double, int->ptr, or vector->anything.
+ /// long->double, int->ptr, or vector->anything.
/// @returns true iff the cast is lossless.
/// @brief Determine if this is a lossless cast.
bool isLosslessCast() const;
- /// A no-op cast is one that can be effected without changing any bits.
+ /// A no-op cast is one that can be effected without changing any bits.
/// It implies that the source and destination types are the same size. The
- /// IntPtrTy argument is used to make accurate determinations for casts
+ /// IntPtrTy argument is used to make accurate determinations for casts
/// involving Integer and Pointer types. They are no-op casts if the integer
- /// is the same size as the pointer. However, pointer size varies with
+ /// is the same size as the pointer. However, pointer size varies with
/// platform. Generally, the result of TargetData::getIntPtrType() should be
/// passed in. If that's not available, use Type::Int64Ty, which will make
/// the isNoopCast call conservative.
- /// @brief Determine if this cast is a no-op cast.
+ /// @brief Determine if this cast is a no-op cast.
bool isNoopCast(
const Type *IntPtrTy ///< Integer type corresponding to pointer
) const;
/// Determine how a pair of casts can be eliminated, if they can be at all.
/// This is a helper function for both CastInst and ConstantExpr.
/// @returns 0 if the CastInst pair can't be eliminated
- /// @returns Instruction::CastOps value for a cast that can replace
+ /// @returns Instruction::CastOps value for a cast that can replace
/// the pair, casting SrcTy to DstTy.
/// @brief Determine if a cast pair is eliminable
static unsigned isEliminableCastPair(
);
/// @brief Return the opcode of this CastInst
- Instruction::CastOps getOpcode() const {
- return Instruction::CastOps(Instruction::getOpcode());
+ Instruction::CastOps getOpcode() const {
+ return Instruction::CastOps(Instruction::getOpcode());
}
/// @brief Return the source type, as a convenience
const Type* getDestTy() const { return getType(); }
/// This method can be used to determine if a cast from S to DstTy using
- /// Opcode op is valid or not.
+ /// Opcode op is valid or not.
/// @returns true iff the proposed cast is valid.
/// @brief Determine if a cast is valid without creating one.
static bool castIsValid(Instruction::CastOps op, Value *S, const Type *DstTy);
// CmpInst Class
//===----------------------------------------------------------------------===//
-/// This class is the base class for the comparison instructions.
+/// This class is the base class for the comparison instructions.
/// @brief Abstract base class of comparison instructions.
// FIXME: why not derive from BinaryOperator?
class CmpInst: public Instruction {
CmpInst(const Type *ty, Instruction::OtherOps op, unsigned short pred,
Value *LHS, Value *RHS, const std::string &Name = "",
Instruction *InsertBefore = 0);
-
+
CmpInst(const Type *ty, Instruction::OtherOps op, unsigned short pred,
Value *LHS, Value *RHS, const std::string &Name,
BasicBlock *InsertAtEnd);
void *operator new(size_t s) {
return User::operator new(s, 2);
}
- /// Construct a compare instruction, given the opcode, the predicate and
- /// the two operands. Optionally (if InstBefore is specified) insert the
- /// instruction into a BasicBlock right before the specified instruction.
+ /// Construct a compare instruction, given the opcode, the predicate and
+ /// the two operands. Optionally (if InstBefore is specified) insert the
+ /// 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(OtherOps Op, unsigned short predicate, Value *S1,
+ static CmpInst *Create(OtherOps Op, unsigned short predicate, Value *S1,
Value *S2, const std::string &Name = "",
Instruction *InsertBefore = 0);
- /// Construct a compare instruction, given the opcode, the predicate and the
- /// two operands. Also automatically insert this instruction to the end of
+ /// Construct a compare instruction, given the opcode, the predicate and the
+ /// two operands. Also automatically insert this instruction to the end of
/// the BasicBlock specified.
/// @brief Create a CmpInst
- static CmpInst *Create(OtherOps Op, unsigned short predicate, Value *S1,
- Value *S2, const std::string &Name,
+ static CmpInst *Create(OtherOps Op, unsigned short predicate, Value *S1,
+ Value *S2, const std::string &Name,
BasicBlock *InsertAtEnd);
/// @brief Get the opcode casted to the right type
/// @brief Set the predicate for this instruction to the specified value.
void setPredicate(Predicate P) { SubclassData = P; }
-
+
/// For example, EQ -> NE, UGT -> ULE, SLT -> SGE,
/// OEQ -> UNE, UGT -> OLE, OLT -> UGE, etc.
- /// @returns the inverse predicate for the instruction's current predicate.
+ /// @returns the inverse predicate for the instruction's current predicate.
/// @brief Return the inverse of the instruction's predicate.
Predicate getInversePredicate() const {
return getInversePredicate(getPredicate());
/// For example, EQ -> NE, UGT -> ULE, SLT -> SGE,
/// OEQ -> UNE, UGT -> OLE, OLT -> UGE, etc.
- /// @returns the inverse predicate for predicate provided in \p pred.
+ /// @returns the inverse predicate for predicate provided in \p pred.
/// @brief Return the inverse of a given predicate
static Predicate getInversePredicate(Predicate pred);
/// For example, EQ->EQ, SLE->SGE, ULT->UGT,
/// OEQ->OEQ, ULE->UGE, OLT->OGT, etc.
- /// @returns the predicate that would be the result of exchanging the two
- /// operands of the CmpInst instruction without changing the result
- /// produced.
+ /// @returns the predicate that would be the result of exchanging the two
+ /// operands of the CmpInst instruction without changing the result
+ /// produced.
/// @brief Return the predicate as if the operands were swapped
Predicate getSwappedPredicate() const {
return getSwappedPredicate(getPredicate());
}
- /// This is a static version that you can use without an instruction
+ /// This is a static version that you can use without an instruction
/// available.
/// @brief Return the predicate as if the operands were swapped.
static Predicate getSwappedPredicate(Predicate pred);
/// @brief Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const CmpInst *) { return true; }
static inline bool classof(const Instruction *I) {
- return I->getOpcode() == Instruction::ICmp ||
+ return I->getOpcode() == Instruction::ICmp ||
I->getOpcode() == Instruction::FCmp ||
I->getOpcode() == Instruction::VICmp ||
I->getOpcode() == Instruction::VFCmp;