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Initial checkin of ValueHolder helper

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8072 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-08-23 19:43:16 +00:00
parent 59bc1a7ad3
commit f7c4acef99
2 changed files with 32 additions and 0 deletions
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16
lib/Support/ValueHolder.cpp Normal file
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//===-- ValueHolder.cpp - Wrapper for Value implementation ----------------===//
//
// 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));
}

16
support/lib/Support/ValueHolder.cpp Normal file
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//===-- ValueHolder.cpp - Wrapper for Value implementation ----------------===//
//
// 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));
}