[llvm-commits] [llvm] r81356 - /llvm/trunk/lib/VMCore/Metadata.cpp

[Devang Patel]

Author: dpatel
Date: Wed Sep  9 12:44:26 2009
New Revision: 81356

URL: http://llvm.org/viewvc/llvm-project?rev=81356&view=rev
Log:
Take lock before removing a node from MDNodeSet.

Modified:
    llvm/trunk/lib/VMCore/Metadata.cpp

Modified: llvm/trunk/lib/VMCore/Metadata.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/VMCore/Metadata.cpp?rev=81356&r1=81355&r2=81356&view=diff

==============================================================================
--- llvm/trunk/lib/VMCore/Metadata.cpp (original)
+++ llvm/trunk/lib/VMCore/Metadata.cpp Wed Sep  9 12:44:26 2009
@@ -115,7 +115,11 @@
 }
 
 MDNode::~MDNode() {
-  getType()->getContext().pImpl->MDNodeSet.RemoveNode(this);
+  {
+    LLVMContextImpl *pImpl = getType()->getContext().pImpl;
+    sys::SmartScopedWriter<true> Writer(pImpl->ConstantsLock);
+    pImpl->MDNodeSet.RemoveNode(this);
+  }
   dropAllReferences();
 }