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NamedMDNode is a collection MDNodes.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92761 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2010-01-05 20:41:31 +00:00
parent 11acaa374c
commit 3e30c2a3c5
6 changed files with 25 additions and 23 deletions
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22
lib/VMCore/Metadata.cpp
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@@ -210,21 +210,21 @@ void MDNode::replaceOperand(MDNodeOperand *Op, Value *To) {
//===----------------------------------------------------------------------===//
// NamedMDNode implementation.
//
static SmallVector<TrackingVH<MetadataBase>, 4> &getNMDOps(void *Operands) {
return *(SmallVector<TrackingVH<MetadataBase>, 4>*)Operands;
static SmallVector<WeakVH, 4> &getNMDOps(void *Operands) {
return *(SmallVector<WeakVH, 4>*)Operands;
}
NamedMDNode::NamedMDNode(LLVMContext &C, const Twine &N,
MetadataBase *const *MDs,
MDNode *const *MDs,
unsigned NumMDs, Module *ParentModule)
: MetadataBase(Type::getMetadataTy(C), Value::NamedMDNodeVal), Parent(0) {
setName(N);
Operands = new SmallVector<TrackingVH<MetadataBase>, 4>();
Operands = new SmallVector<WeakVH, 4>();
SmallVector<TrackingVH<MetadataBase>, 4> &Node = getNMDOps(Operands);
SmallVector<WeakVH, 4> &Node = getNMDOps(Operands);
for (unsigned i = 0; i != NumMDs; ++i)
Node.push_back(TrackingVH<MetadataBase>(MDs[i]));
Node.push_back(WeakVH(MDs[i]));
if (ParentModule)
ParentModule->getNamedMDList().push_back(this);
@@ -232,7 +232,7 @@ NamedMDNode::NamedMDNode(LLVMContext &C, const Twine &N,
NamedMDNode *NamedMDNode::Create(const NamedMDNode *NMD, Module *M) {
assert(NMD && "Invalid source NamedMDNode!");
SmallVector<MetadataBase *, 4> Elems;
SmallVector<MDNode *, 4> Elems;
Elems.reserve(NMD->getNumOperands());
for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i)
@@ -252,14 +252,14 @@ unsigned NamedMDNode::getNumOperands() const {
}
/// getOperand - Return specified operand.
MetadataBase *NamedMDNode::getOperand(unsigned i) const {
MDNode *NamedMDNode::getOperand(unsigned i) const {
assert(i < getNumOperands() && "Invalid Operand number!");
return getNMDOps(Operands)[i];
return dyn_cast_or_null<MDNode>(getNMDOps(Operands)[i]);
}
/// addOperand - Add metadata Operand.
void NamedMDNode::addOperand(MetadataBase *M) {
getNMDOps(Operands).push_back(TrackingVH<MetadataBase>(M));
void NamedMDNode::addOperand(MDNode *M) {
getNMDOps(Operands).push_back(WeakVH(M));
}
/// eraseFromParent - Drop all references and remove the node from parent