| //===-- ValueHolder.cpp - Wrapper for Value implementation ----------------===// |
| // |
| // 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. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "llvm/Support/ValueHolder.h" |
| #include "llvm/Type.h" |
| |
| ValueHolder::ValueHolder(Value *V) : User(Type::TypeTy, Value::TypeVal) { |
| Operands.push_back(Use(V, this)); |
| } |
