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Enable MDNode uniquing.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81355 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2009-09-09 17:30:04 +00:00
parent 842dee44b5
commit 740fce3020
1 changed files with 1 additions and 21 deletions
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22
lib/VMCore/Metadata.cpp
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@ -90,16 +90,11 @@ MDNode *MDNode::get(LLVMContext &Context, Value*const* Vals, unsigned NumVals) {
for (unsigned i = 0; i != NumVals; ++i)
ID.AddPointer(Vals[i]);
// FIXME: MDNode uniquing disabled temporarily.
#ifndef ENABLE_MDNODE_UNIQUING
return new MDNode(Context, Vals, NumVals);
#endif
pImpl->ConstantsLock.reader_acquire();
void *InsertPoint;
MDNode *N = pImpl->MDNodeSet.FindNodeOrInsertPos(ID, InsertPoint);
pImpl->ConstantsLock.reader_release();
if (!N) {
sys::SmartScopedWriter<true> Writer(pImpl->ConstantsLock);
N = pImpl->MDNodeSet.FindNodeOrInsertPos(ID, InsertPoint);
@ -120,27 +115,12 @@ void MDNode::dropAllReferences() {
}
MDNode::~MDNode() {
// FIXME: MDNode uniquing disabled temporarily.
#ifdef ENABLE_MDNODE_UNIQUING
getType()->getContext().pImpl->MDNodeSet.RemoveNode(this);
#endif
dropAllReferences();
}
// Replace value from this node's element list.
void MDNode::replaceElement(Value *From, Value *To) {
// FIXME: MDNode uniquing disabled temporarily.
#ifndef ENABLE_MDNODE_UNIQUING
if (From == To || !getType())
return;
for (SmallVector<ElementVH, 4>::iterator I = Node.begin(),
E = Node.end(); I != E; ++I)
if (*I && *I == From)
*I = ElementVH(To, this);
return;
#endif
if (From == To || !getType())
return;
LLVMContext &Context = getType()->getContext();