+//===----------------------------------------------------------------------===//
+// IndirectBrInst Class
+//===----------------------------------------------------------------------===//
+
+//===---------------------------------------------------------------------------
+/// IndirectBrInst - Indirect Branch Instruction.
+///
+class IndirectBrInst : public TerminatorInst {
+ void *operator new(size_t, unsigned); // DO NOT IMPLEMENT
+ unsigned ReservedSpace;
+ // Operand[0] = Value to switch on
+ // Operand[1] = Default basic block destination
+ // Operand[2n ] = Value to match
+ // Operand[2n+1] = BasicBlock to go to on match
+ IndirectBrInst(const IndirectBrInst &IBI);
+ void init(Value *Address, unsigned NumDests);
+ void resizeOperands(unsigned No);
+ // allocate space for exactly zero operands
+ void *operator new(size_t s) {
+ return User::operator new(s, 0);
+ }
+ /// IndirectBrInst ctor - Create a new indirectbr instruction, specifying an
+ /// Address to jump to. The number of expected destinations can be specified
+ /// here to make memory allocation more efficient. This constructor can also
+ /// autoinsert before another instruction.
+ IndirectBrInst(Value *Address, unsigned NumDests, Instruction *InsertBefore);
+
+ /// IndirectBrInst ctor - Create a new indirectbr instruction, specifying an
+ /// Address to jump to. The number of expected destinations can be specified
+ /// here to make memory allocation more efficient. This constructor also
+ /// autoinserts at the end of the specified BasicBlock.
+ IndirectBrInst(Value *Address, unsigned NumDests, BasicBlock *InsertAtEnd);
+protected:
+ virtual IndirectBrInst *clone_impl() const;
+public:
+ static IndirectBrInst *Create(Value *Address, unsigned NumDests,
+ Instruction *InsertBefore = 0) {
+ return new IndirectBrInst(Address, NumDests, InsertBefore);
+ }
+ static IndirectBrInst *Create(Value *Address, unsigned NumDests,
+ BasicBlock *InsertAtEnd) {
+ return new IndirectBrInst(Address, NumDests, InsertAtEnd);
+ }
+ ~IndirectBrInst();
+
+ /// Provide fast operand accessors.
+ DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
+
+ // Accessor Methods for IndirectBrInst instruction.
+ Value *getAddress() { return getOperand(0); }
+ const Value *getAddress() const { return getOperand(0); }
+ void setAddress(Value *V) { setOperand(0, V); }
+
+
+ /// getNumDestinations - return the number of possible destinations in this
+ /// indirectbr instruction.
+ unsigned getNumDestinations() const { return getNumOperands()-1; }
+
+ /// getDestination - Return the specified destination.
+ BasicBlock *getDestination(unsigned i) { return getSuccessor(i); }
+ const BasicBlock *getDestination(unsigned i) const { return getSuccessor(i); }
+
+ /// addDestination - Add a destination.
+ ///
+ void addDestination(BasicBlock *Dest);
+
+ /// removeDestination - This method removes the specified successor from the
+ /// indirectbr instruction.
+ void removeDestination(unsigned i);
+
+ unsigned getNumSuccessors() const { return getNumOperands()-1; }
+ BasicBlock *getSuccessor(unsigned i) const {
+ return cast<BasicBlock>(getOperand(i+1));
+ }
+ void setSuccessor(unsigned i, BasicBlock *NewSucc) {
+ setOperand(i+1, (Value*)NewSucc);
+ }
+
+ // Methods for support type inquiry through isa, cast, and dyn_cast:
+ static inline bool classof(const IndirectBrInst *) { return true; }
+ static inline bool classof(const Instruction *I) {
+ return I->getOpcode() == Instruction::IndirectBr;
+ }
+ static inline bool classof(const Value *V) {
+ return isa<Instruction>(V) && classof(cast<Instruction>(V));
+ }
+private:
+ virtual BasicBlock *getSuccessorV(unsigned idx) const;
+ virtual unsigned getNumSuccessorsV() const;
+ virtual void setSuccessorV(unsigned idx, BasicBlock *B);
+};
+
+template <>
+struct OperandTraits<IndirectBrInst> : public HungoffOperandTraits<1> {
+};
+
+DEFINE_TRANSPARENT_OPERAND_ACCESSORS(IndirectBrInst, Value)
+
+