diff options
| -rw-r--r-- | lib/VMCore/Metadata.cpp | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/lib/VMCore/Metadata.cpp b/lib/VMCore/Metadata.cpp index 8e025b6d7a..76f25285b8 100644 --- a/lib/VMCore/Metadata.cpp +++ b/lib/VMCore/Metadata.cpp @@ -90,11 +90,16 @@ 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); @@ -115,12 +120,27 @@ 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(); |