//
// The LLVM Compiler Infrastructure
//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
#define LLVM_USER_H
#include "llvm/Value.h"
-#include <vector>
namespace llvm {
class User : public Value {
User(const User &); // Do not implement
+ void *operator new(size_t); // Do not implement
protected:
/// OperandList - This is a pointer to the array of Users for this operand.
/// For nodes of fixed arity (e.g. a binary operator) this array will live
/// embedded into the derived class. For nodes of variable arity
- /// (e.g. ConstantArrays, CallInst, PHINodes, etc), this memory will be
- /// dynamically allocated and should be destroyed by the classes virtual dtor.
+ /// (e.g. ConstantArrays, CallInst, PHINodes, ReturnInst etc), this memory
+ /// will be dynamically allocated and should be destroyed by the classes
+ /// virtual dtor.
Use *OperandList;
/// NumOperands - The number of values used by this User.
///
unsigned NumOperands;
-public:
- User(const Type *Ty, unsigned vty, Use *OpList, unsigned NumOps,
- const std::string &name = "")
- : Value(Ty, vty, name), OperandList(OpList), NumOperands(NumOps) {}
+ void *operator new(size_t s, unsigned) {
+ return ::operator new(s);
+ }
+ User(const Type *Ty, unsigned vty, Use *OpList, unsigned NumOps)
+ : Value(Ty, vty), OperandList(OpList), NumOperands(NumOps) {}
+public:
Value *getOperand(unsigned i) const {
assert(i < NumOperands && "getOperand() out of range!");
return OperandList[i];
template<> struct simplify_type<const User::const_op_iterator>
: public simplify_type<User::const_op_iterator> {};
+
+// value_use_iterator::getOperandNo - Requires the definition of the User class.
+template<typename UserTy>
+unsigned value_use_iterator<UserTy>::getOperandNo() const {
+ return U - U->getUser()->op_begin();
+}
+
} // End llvm namespace
#endif