From e3fbbd19ed48493e9ed7e7f2a594c1b5e11012a2 Mon Sep 17 00:00:00 2001
From: Devang Patel <dpatel@apple.com>
Date: Tue, 22 Jun 2010 18:52:38 +0000
Subject: Clone named metadata while cloning a module. Reapply Bob's patch.

llvm-svn: 106560
---
 llvm/lib/Transforms/Utils/CloneModule.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'llvm/lib/Transforms/Utils/CloneModule.cpp')

diff --git a/llvm/lib/Transforms/Utils/CloneModule.cpp b/llvm/lib/Transforms/Utils/CloneModule.cpp
index b87c082793e..1809bbb3201 100644
--- a/llvm/lib/Transforms/Utils/CloneModule.cpp
+++ b/llvm/lib/Transforms/Utils/CloneModule.cpp
@@ -122,6 +122,17 @@ Module *llvm::CloneModule(const Module *M,
     if (const Constant* C = I->getAliasee())
       GA->setAliasee(cast<Constant>(MapValue(C, ValueMap)));
   }
+
+  // And named metadata....
+  for (Module::const_named_metadata_iterator I = M->named_metadata_begin(),
+         E = M->named_metadata_end(); I != E; ++I) {
+    const NamedMDNode &NMD = *I;
+    SmallVector<MDNode*, 4> MDs;
+    for (unsigned i = 0, e = NMD.getNumOperands(); i != e; ++i)
+      MDs.push_back(cast<MDNode>(MapValue(NMD.getOperand(i), ValueMap)));
+    NamedMDNode::Create(New->getContext(), NMD.getName(),
+                        MDs.data(), MDs.size(), New);
+  }
   
   return New;
 }
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