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Removed unused, useless header file.

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llvm-svn: 13757
This commit is contained in:
Reid Spencer 2004-05-25 17:28:35 +00:00
parent 461c005140
commit 122d536042
1 changed files with 0 additions and 53 deletions
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53
include/llvm/Support/ValueHolder.h
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@ -1,53 +0,0 @@
//===-- llvm/Support/ValueHolder.h - Wrapper for Value's --------*- C++ -*-===//
//
// 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 class defines a simple subclass of User, which keeps a pointer to a
// Value, which automatically updates when Value::replaceAllUsesWith is called.
// This is useful when you have pointers to Value's in your pass, but the
// pointers get invalidated when some other portion of the algorithm is
// replacing Values with other Values.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_SUPPORT_VALUEHOLDER_H
#define LLVM_SUPPORT_VALUEHOLDER_H
#include "llvm/User.h"
namespace llvm {
struct ValueHolder : public User {
ValueHolder(Value *V = 0);
ValueHolder(const ValueHolder &VH) : User(VH.getType(), Value::TypeVal) {
Operands.push_back(Use(VH.get(), this));
}
// Getters...
Value *get() const { return (Value*)getOperand(0); }
operator Value*() const { return (Value*)getOperand(0); }
// Setters...
const ValueHolder &operator=(Value *V) {
setOperand(0, V);
return *this;
}
const ValueHolder &operator=(ValueHolder &VH) {
setOperand(0, VH);
return *this;
}
virtual void print(std::ostream& OS) const {
OS << "ValueHolder";
}
};
} // End llvm namespace
#endif