#include "llvm/Instruction.h"
#include "llvm/OperandTraits.h"
+#include "llvm/DerivedTypes.h"
namespace llvm {
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const TerminatorInst *) { return true; }
static inline bool classof(const Instruction *I) {
- return I->getOpcode() >= TermOpsBegin && I->getOpcode() < TermOpsEnd;
+ return I->isTerminator();
}
static inline bool classof(const Value *V) {
return isa<Instruction>(V) && classof(cast<Instruction>(V));
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) {
Instruction *InsertBefore = 0);
static BinaryOperator *CreateNeg(Value *Op, const std::string &Name,
BasicBlock *InsertAtEnd);
+ static BinaryOperator *CreateFNeg(Value *Op, const std::string &Name = "",
+ Instruction *InsertBefore = 0);
+ static BinaryOperator *CreateFNeg(Value *Op, const std::string &Name,
+ BasicBlock *InsertAtEnd);
static BinaryOperator *CreateNot(Value *Op, const std::string &Name = "",
Instruction *InsertBefore = 0);
static BinaryOperator *CreateNot(Value *Op, const std::string &Name,
BasicBlock *InsertAtEnd);
- /// isNeg, isNot - Check if the given Value is a NEG or NOT instruction.
+ /// isNeg, isFNeg, isNot - Check if the given Value is a
+ /// NEG, FNeg, or NOT instruction.
///
static bool isNeg(const Value *V);
+ static bool isFNeg(const Value *V);
static bool isNot(const Value *V);
/// getNegArgument, getNotArgument - Helper functions to extract the
- /// unary argument of a NEG or NOT operation implemented via Sub or Xor.
+ /// unary argument of a NEG, FNEG or NOT operation implemented via
+ /// Sub, FSub, or Xor.
///
static const Value *getNegArgument(const Value *BinOp);
static Value *getNegArgument( Value *BinOp);
+ static const Value *getFNegArgument(const Value *BinOp);
+ static Value *getFNegArgument( Value *BinOp);
static const Value *getNotArgument(const Value *BinOp);
static Value *getNotArgument( Value *BinOp);
// 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) {
- return I->getOpcode() >= BinaryOpsBegin && I->getOpcode() < BinaryOpsEnd;
+ return I->isBinaryOp();
}
static inline bool classof(const Value *V) {
return isa<Instruction>(V) && classof(cast<Instruction>(V));
}
-
- /// Backward-compatible interfaces
- /// @deprecated in 2.4, do not use, will disappear soon
- static BinaryOperator *create(BinaryOps Op, Value *S1, Value *S2,
- const std::string &Name = "",
- Instruction *InsertBefore = 0) {
- return Create(Op, S1, S2, Name, InsertBefore);
- }
- static BinaryOperator *create(BinaryOps Op, Value *S1, Value *S2,
- const std::string &Name,
- BasicBlock *InsertAtEnd) {
- return Create(Op, S1, S2, Name, InsertAtEnd);
- }
-#define HANDLE_BINARY_INST(N, OPC, CLASS) \
- static BinaryOperator *create##OPC(Value *V1, Value *V2, \
- const std::string &Name = "") {\
- return Create(Instruction::OPC, V1, V2, Name);\
- }
-#include "llvm/Instruction.def"
-#define HANDLE_BINARY_INST(N, OPC, CLASS) \
- static BinaryOperator *create##OPC(Value *V1, Value *V2, \
- const std::string &Name, BasicBlock *BB) {\
- return Create(Instruction::OPC, V1, V2, Name, BB);\
- }
-#include "llvm/Instruction.def"
-#define HANDLE_BINARY_INST(N, OPC, CLASS) \
- static BinaryOperator *create##OPC(Value *V1, Value *V2, \
- const std::string &Name, Instruction *I) {\
- return Create(Instruction::OPC, V1, V2, Name, I);\
- }
-#include "llvm/Instruction.def"
- static BinaryOperator *createNeg(Value *Op, const std::string &Name = "",
- Instruction *InsertBefore = 0) {
- return CreateNeg(Op, Name, InsertBefore);
- }
- static BinaryOperator *createNeg(Value *Op, const std::string &Name,
- BasicBlock *InsertAtEnd) {
- return CreateNeg(Op, Name, InsertAtEnd);
- }
- static BinaryOperator *createNot(Value *Op, const std::string &Name = "",
- Instruction *InsertBefore = 0) {
- return CreateNot(Op, Name, InsertBefore);
- }
- static BinaryOperator *createNot(Value *Op, const std::string &Name,
- BasicBlock *InsertAtEnd) {
- return CreateNot(Op, Name, InsertAtEnd);
- }
};
template <>
: 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,
- const std::string &Name = "", Instruction *InsertBefore = 0)
+ CastInst(const Type *Ty, unsigned iType, Value *S,
+ const std::string &NameStr = "", Instruction *InsertBefore = 0)
: UnaryInstruction(Ty, iType, S, InsertBefore) {
- setName(Name);
+ setName(NameStr);
}
/// @brief Constructor with insert-at-end-of-block semantics for subclasses
- CastInst(const Type *Ty, unsigned iType, Value *S,
- const std::string &Name, BasicBlock *InsertAtEnd)
+ CastInst(const Type *Ty, unsigned iType, Value *S,
+ const std::string &NameStr, BasicBlock *InsertAtEnd)
: UnaryInstruction(Ty, iType, S, InsertAtEnd) {
- setName(Name);
+ 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);
/// @brief Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const CastInst *) { return true; }
static inline bool classof(const Instruction *I) {
- return I->getOpcode() >= CastOpsBegin && I->getOpcode() < CastOpsEnd;
+ return I->isCast();
}
static inline bool classof(const Value *V) {
return isa<Instruction>(V) && classof(cast<Instruction>(V));
}
- /// Backward-compatible interfaces
- /// @deprecated in 2.4, do not use, will disappear soon
- static CastInst *create(Instruction::CastOps Op,Value *S,const Type *Ty,
- const std::string &Name = "",Instruction *InsertBefore = 0) {
- return Create(Op,S,Ty,Name,InsertBefore);
- }
- static CastInst *create(Instruction::CastOps Op,Value *S,const Type *Ty,
- const std::string &Name,BasicBlock *InsertAtEnd) {
- return Create(Op,S,Ty,Name,InsertAtEnd);
- }
-
-#define DEFINE_CASTINST_DEPRECATED(OP) \
- static CastInst *create ## OP ## Cast(Value *S, const Type *Ty, \
- const std::string &Name = "", Instruction *InsertBefore = 0) { \
- return Create ## OP ## Cast(S, Ty, Name, InsertBefore); \
- } \
- static CastInst *create ## OP ## Cast(Value *S, const Type *Ty, \
- const std::string &Name, BasicBlock *InsertAtEnd) { \
- return Create ## OP ## Cast(S, Ty, Name, InsertAtEnd); \
- }
- DEFINE_CASTINST_DEPRECATED(ZExtOrBit)
- DEFINE_CASTINST_DEPRECATED(SExtOrBit)
- DEFINE_CASTINST_DEPRECATED(Pointer)
- DEFINE_CASTINST_DEPRECATED(FP)
- DEFINE_CASTINST_DEPRECATED(TruncOrBit)
-#undef DEFINE_CASTINST_DEPRECATED
- static CastInst *createIntegerCast(Value *S, const Type *Ty, bool isSigned,
- const std::string &Name = "", Instruction *InsertBefore = 0) {
- return CreateIntegerCast(S, Ty, isSigned, Name, InsertBefore);
- }
- static CastInst *createIntegerCast(Value *S, const Type *Ty, bool isSigned,
- const std::string &Name, BasicBlock *InsertAtEnd) {
- return CreateIntegerCast(S, Ty, isSigned, Name, InsertAtEnd);
- }
};
//===----------------------------------------------------------------------===//
// 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;
static inline bool classof(const Value *V) {
return isa<Instruction>(V) && classof(cast<Instruction>(V));
}
- /// Backward-compatible interfaces
- /// @deprecated in 2.4, do not use, will disappear soon
- static CmpInst *create(OtherOps Op, unsigned short predicate, Value *S1,
- Value *S2, const std::string &Name = "",
- Instruction *InsertBefore = 0) {
- return Create(Op, predicate, S1, S2, Name, InsertBefore);
- }
- static CmpInst *create(OtherOps Op, unsigned short predicate, Value *S1,
- Value *S2, const std::string &Name,
- BasicBlock *InsertAtEnd) {
- return Create(Op, predicate, S1, S2, Name, InsertAtEnd);
+ /// @brief Create a result type for fcmp/icmp (but not vicmp/vfcmp)
+ 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 Type::Int1Ty;
}
};