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authorDevang Patel <dpatel@apple.com>2009-09-09 17:44:26 +0000
committerDevang Patel <dpatel@apple.com>2009-09-09 17:44:26 +0000
commitcbde073d8c3f952cdad9afb0da940ff6651266f6 (patch)
tree772cbb66da77d959db5243f57b4ba171ac617f2a /llvm
parent9a767cb5c0810bd451fa7434b7e73d5c65536459 (diff)
downloadbcm5719-llvm-cbde073d8c3f952cdad9afb0da940ff6651266f6.tar.gz
bcm5719-llvm-cbde073d8c3f952cdad9afb0da940ff6651266f6.zip
Take lock before removing a node from MDNodeSet.
llvm-svn: 81356
Diffstat (limited to 'llvm')
-rw-r--r--llvm/lib/VMCore/Metadata.cpp6
1 files changed, 5 insertions, 1 deletions
diff --git a/llvm/lib/VMCore/Metadata.cpp b/llvm/lib/VMCore/Metadata.cpp
index 8e025b6d7a2..1163b4709ce 100644
--- a/llvm/lib/VMCore/Metadata.cpp
+++ b/llvm/lib/VMCore/Metadata.cpp
@@ -115,7 +115,11 @@ void MDNode::dropAllReferences() {
}
MDNode::~MDNode() {
- getType()->getContext().pImpl->MDNodeSet.RemoveNode(this);
+ {
+ LLVMContextImpl *pImpl = getType()->getContext().pImpl;
+ sys::SmartScopedWriter<true> Writer(pImpl->ConstantsLock);
+ pImpl->MDNodeSet.RemoveNode(this);
+ }
dropAllReferences();
}
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