/// AllocaInst.
///
class AllocationInst : public UnaryInstruction {
+ unsigned Alignment;
protected:
- AllocationInst(const Type *Ty, Value *ArraySize, unsigned iTy,
+ AllocationInst(const Type *Ty, Value *ArraySize, unsigned iTy, unsigned Align,
const std::string &Name = "", Instruction *InsertBefore = 0);
- AllocationInst(const Type *Ty, Value *ArraySize, unsigned iTy,
+ AllocationInst(const Type *Ty, Value *ArraySize, unsigned iTy, unsigned Align,
const std::string &Name, BasicBlock *InsertAtEnd);
public:
///
const Type *getAllocatedType() const;
+ /// getAlignment - Return the alignment of the memory that is being allocated
+ /// by the instruction.
+ ///
+ unsigned getAlignment() const { return Alignment; }
+ void setAlignment(unsigned Align) {
+ assert((Align & (Align-1)) == 0 && "Alignment is not a power of 2!");
+ Alignment = Align;
+ }
+
virtual Instruction *clone() const = 0;
// Methods for support type inquiry through isa, cast, and dyn_cast:
explicit MallocInst(const Type *Ty, Value *ArraySize = 0,
const std::string &Name = "",
Instruction *InsertBefore = 0)
- : AllocationInst(Ty, ArraySize, Malloc, Name, InsertBefore) {}
+ : AllocationInst(Ty, ArraySize, Malloc, 0, Name, InsertBefore) {}
MallocInst(const Type *Ty, Value *ArraySize, const std::string &Name,
BasicBlock *InsertAtEnd)
- : AllocationInst(Ty, ArraySize, Malloc, Name, InsertAtEnd) {}
-
+ : AllocationInst(Ty, ArraySize, Malloc, 0, Name, InsertAtEnd) {}
+ MallocInst(const Type *Ty, Value *ArraySize, unsigned Align,
+ const std::string &Name, BasicBlock *InsertAtEnd)
+ : AllocationInst(Ty, ArraySize, Malloc, Align, Name, InsertAtEnd) {}
+ explicit MallocInst(const Type *Ty, Value *ArraySize, unsigned Align,
+ const std::string &Name = "",
+ Instruction *InsertBefore = 0)
+ : AllocationInst(Ty, ArraySize, Malloc, Align, Name, InsertBefore) {}
+
virtual MallocInst *clone() const;
// Methods for support type inquiry through isa, cast, and dyn_cast:
explicit AllocaInst(const Type *Ty, Value *ArraySize = 0,
const std::string &Name = "",
Instruction *InsertBefore = 0)
- : AllocationInst(Ty, ArraySize, Alloca, Name, InsertBefore) {}
+ : AllocationInst(Ty, ArraySize, Alloca, 0, Name, InsertBefore) {}
AllocaInst(const Type *Ty, Value *ArraySize, const std::string &Name,
BasicBlock *InsertAtEnd)
- : AllocationInst(Ty, ArraySize, Alloca, Name, InsertAtEnd) {}
-
+ : AllocationInst(Ty, ArraySize, Alloca, 0, Name, InsertAtEnd) {}
+ AllocaInst(const Type *Ty, Value *ArraySize, unsigned Align,
+ const std::string &Name, BasicBlock *InsertAtEnd)
+ : AllocationInst(Ty, ArraySize, Alloca, Align, Name, InsertAtEnd) {}
+ explicit AllocaInst(const Type *Ty, Value *ArraySize, unsigned Align,
+ const std::string &Name = "",
+ Instruction *InsertBefore = 0)
+ : AllocationInst(Ty, ArraySize, Alloca, Align, Name, InsertBefore) {}
+
virtual AllocaInst *clone() const;
// Methods for support type inquiry through isa, cast, and dyn_cast:
}
};
-
//===----------------------------------------------------------------------===//
-// VANextInst Class
+// VAArgInst Class
//===----------------------------------------------------------------------===//
-/// VANextInst - This class represents the va_next llvm instruction, which
-/// advances a vararg list passed an argument of the specified type, returning
-/// the resultant list.
+/// VAArgInst - This class represents the va_arg llvm instruction, which returns
+/// an argument of the specified type given a va_list and increments that list
///
-class VANextInst : public UnaryInstruction {
- PATypeHolder ArgTy;
- VANextInst(const VANextInst &VAN)
- : UnaryInstruction(VAN.getType(), VANext, VAN.getOperand(0)),
- ArgTy(VAN.getArgType()) {
- }
-
+class VAArgInst : public UnaryInstruction {
+ VAArgInst(const VAArgInst &VAA)
+ : UnaryInstruction(VAA.getType(), VAArg, VAA.getOperand(0)) {}
public:
- VANextInst(Value *List, const Type *Ty, const std::string &Name = "",
+ VAArgInst(Value *List, const Type *Ty, const std::string &Name = "",
Instruction *InsertBefore = 0)
- : UnaryInstruction(List->getType(), VANext, List, Name, InsertBefore),
- ArgTy(Ty) {
+ : UnaryInstruction(Ty, VAArg, List, Name, InsertBefore) {
}
- VANextInst(Value *List, const Type *Ty, const std::string &Name,
- BasicBlock *InsertAtEnd)
- : UnaryInstruction(List->getType(), VANext, List, Name, InsertAtEnd),
- ArgTy(Ty) {
+ VAArgInst(Value *List, const Type *Ty, const std::string &Name,
+ BasicBlock *InsertAtEnd)
+ : UnaryInstruction(Ty, VAArg, List, Name, InsertAtEnd) {
}
- const Type *getArgType() const { return ArgTy; }
-
- virtual VANextInst *clone() const;
+ virtual VAArgInst *clone() const;
+ bool mayWriteToMemory() const { return true; }
// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const VANextInst *) { return true; }
+ static inline bool classof(const VAArgInst *) { return true; }
static inline bool classof(const Instruction *I) {
- return I->getOpcode() == VANext;
+ return I->getOpcode() == VAArg;
}
static inline bool classof(const Value *V) {
return isa<Instruction>(V) && classof(cast<Instruction>(V));
}
};
-
//===----------------------------------------------------------------------===//
-// VAArgInst Class
+// ExtractElementInst Class
//===----------------------------------------------------------------------===//
-/// VAArgInst - This class represents the va_arg llvm instruction, which returns
-/// an argument of the specified type given a va_list.
+/// ExtractElementInst - This instruction extracts a single (scalar)
+/// element from a PackedType value
///
-class VAArgInst : public UnaryInstruction {
- VAArgInst(const VAArgInst &VAA)
- : UnaryInstruction(VAA.getType(), VAArg, VAA.getOperand(0)) {}
+class ExtractElementInst : public Instruction {
+ Use Ops[2];
+ ExtractElementInst(const ExtractElementInst &EE) :
+ Instruction(EE.getType(), ExtractElement, Ops, 2) {
+ Ops[0].init(EE.Ops[0], this);
+ Ops[1].init(EE.Ops[1], this);
+ }
+
public:
- VAArgInst(Value *List, const Type *Ty, const std::string &Name = "",
- Instruction *InsertBefore = 0)
- : UnaryInstruction(Ty, VAArg, List, Name, InsertBefore) {
+ ExtractElementInst(Value *Val, Value *Index,
+ const std::string &Name = "", Instruction *InsertBefore = 0);
+ ExtractElementInst(Value *Val, Value *Index,
+ const std::string &Name, BasicBlock *InsertAtEnd);
+
+ virtual ExtractElementInst *clone() const;
+
+ virtual bool mayWriteToMemory() const { return false; }
+
+ /// Transparently provide more efficient getOperand methods.
+ Value *getOperand(unsigned i) const {
+ assert(i < 2 && "getOperand() out of range!");
+ return Ops[i];
}
- VAArgInst(Value *List, const Type *Ty, const std::string &Name,
- BasicBlock *InsertAtEnd)
- : UnaryInstruction(Ty, VAArg, List, Name, InsertAtEnd) {
+ void setOperand(unsigned i, Value *Val) {
+ assert(i < 2 && "setOperand() out of range!");
+ Ops[i] = Val;
}
+ unsigned getNumOperands() const { return 2; }
- virtual VAArgInst *clone() const;
+ // Methods for support type inquiry through isa, cast, and dyn_cast:
+ static inline bool classof(const ExtractElementInst *) { return true; }
+ static inline bool classof(const Instruction *I) {
+ return I->getOpcode() == Instruction::ExtractElement;
+ }
+ static inline bool classof(const Value *V) {
+ return isa<Instruction>(V) && classof(cast<Instruction>(V));
+ }
+};
+
+//===----------------------------------------------------------------------===//
+// InsertElementInst Class
+//===----------------------------------------------------------------------===//
+
+/// InsertElementInst - This instruction inserts a single (scalar)
+/// element into a PackedType value
+///
+class InsertElementInst : public Instruction {
+ Use Ops[3];
+ InsertElementInst(const InsertElementInst &IE) :
+ Instruction(IE.getType(), InsertElement, Ops, 3) {
+ Ops[0].init(IE.Ops[0], this);
+ Ops[1].init(IE.Ops[1], this);
+ Ops[2].init(IE.Ops[2], this);
+ }
+
+public:
+ InsertElementInst(Value *Val, Value *Elt, Value *Index,
+ const std::string &Name = "", Instruction *InsertBefore = 0);
+ InsertElementInst(Value *Val, Value *Elt, Value *Index,
+ const std::string &Name, BasicBlock *InsertAtEnd);
+
+ virtual InsertElementInst *clone() const;
+
+ virtual bool mayWriteToMemory() const { return false; }
+
+ /// Transparently provide more efficient getOperand methods.
+ Value *getOperand(unsigned i) const {
+ assert(i < 3 && "getOperand() out of range!");
+ return Ops[i];
+ }
+ void setOperand(unsigned i, Value *Val) {
+ assert(i < 3 && "setOperand() out of range!");
+ Ops[i] = Val;
+ }
+ unsigned getNumOperands() const { return 3; }
// Methods for support type inquiry through isa, cast, and dyn_cast:
- static inline bool classof(const VAArgInst *) { return true; }
+ static inline bool classof(const InsertElementInst *) { return true; }
static inline bool classof(const Instruction *I) {
- return I->getOpcode() == VAArg;
+ return I->getOpcode() == Instruction::InsertElement;
}
static inline bool classof(const Value *V) {
return isa<Instruction>(V) && classof(cast<Instruction>(V));
return getIncomingValue(getBasicBlockIndex(BB));
}
+ /// hasConstantValue - If the specified PHI node always merges together the
+ /// same value, return the value, otherwise return null.
+ ///
+ Value *hasConstantValue(bool AllowNonDominatingInstruction = false) const;
+
/// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const PHINode *) { return true; }
static inline bool classof(const Instruction *I) {
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