llvm-6502/lib/VMCore/Metadata.cpp
2009-07-30 15:35:55 +00:00

45 lines
1.5 KiB
C++

//===-- Metadata.cpp - Implement Metadata classes -------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements the Metadata classes.
//
//===----------------------------------------------------------------------===//
#include "llvm/Metadata.h"
#include "llvm/Module.h"
#include "SymbolTableListTraitsImpl.h"
using namespace llvm;
//===----------------------------------------------------------------------===//
//MDNode implementation
//
MDNode::MDNode(Value*const* Vals, unsigned NumVals)
: MetadataBase(Type::MetadataTy, Value::MDNodeVal) {
for (unsigned i = 0; i != NumVals; ++i)
Node.push_back(WeakVH(Vals[i]));
}
void MDNode::Profile(FoldingSetNodeID &ID) const {
for (const_elem_iterator I = elem_begin(), E = elem_end(); I != E; ++I)
ID.AddPointer(*I);
}
//===----------------------------------------------------------------------===//
//NamedMDNode implementation
//
NamedMDNode::NamedMDNode(const Twine &N, MetadataBase*const* MDs,
unsigned NumMDs, Module *ParentModule)
: MetadataBase(Type::MetadataTy, Value::NamedMDNodeVal), Parent(0) {
setName(N);
for (unsigned i = 0; i != NumMDs; ++i)
Node.push_back(WeakMetadataVH(MDs[i]));
if (ParentModule)
ParentModule->getNamedMDList().push_back(this);
}