[llvm-commits] [llvm] r77959 - in /llvm/trunk: include/llvm/Metadata.h lib/VMCore/Metadata.cpp
Devang Patel
dpatel at apple.com
Sun Aug 2 23:19:02 PDT 2009
Author: dpatel
Date: Mon Aug 3 01:19:01 2009
New Revision: 77959
URL: http://llvm.org/viewvc/llvm-project?rev=77959&view=rev
Log:
Add NamedMDNode destructor.
Modified:
llvm/trunk/include/llvm/Metadata.h
llvm/trunk/lib/VMCore/Metadata.cpp
Modified: llvm/trunk/include/llvm/Metadata.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Metadata.h?rev=77959&r1=77958&r2=77959&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Metadata.h (original)
+++ llvm/trunk/include/llvm/Metadata.h Mon Aug 3 01:19:01 2009
@@ -200,6 +200,15 @@
return new NamedMDNode(N, MDs, NumMDs, M);
}
+ /// eraseFromParent - Drop all references and remove the node from parent
+ /// module.
+ void eraseFromParent();
+
+ /// dropAllReferences - Remove all uses and clear node vector.
+ void dropAllReferences();
+
+ ~NamedMDNode();
+
typedef SmallVectorImpl<WeakMetadataVH>::const_iterator const_elem_iterator;
/// getParent - Get the module that holds this named metadata collection.
Modified: llvm/trunk/lib/VMCore/Metadata.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/VMCore/Metadata.cpp?rev=77959&r1=77958&r2=77959&view=diff
==============================================================================
--- llvm/trunk/lib/VMCore/Metadata.cpp (original)
+++ llvm/trunk/lib/VMCore/Metadata.cpp Mon Aug 3 01:19:01 2009
@@ -83,3 +83,20 @@
if (ParentModule)
ParentModule->getNamedMDList().push_back(this);
}
+
+/// eraseFromParent - Drop all references and remove the node from parent
+/// module.
+void NamedMDNode::eraseFromParent() {
+ dropAllReferences();
+ getParent()->getNamedMDList().erase(this);
+}
+
+/// dropAllReferences - Remove all uses and clear node vector.
+void NamedMDNode::dropAllReferences() {
+ // FIXME: Update metadata use list.
+ Node.clear();
+}
+
+NamedMDNode::~NamedMDNode() {
+ dropAllReferences();
+}
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