There is not any need to copy metadata while merging modules.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80941 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Linker/LinkModules.cpp b/lib/Linker/LinkModules.cpp
index 0fa97c5..00bb55e 100644
--- a/lib/Linker/LinkModules.cpp
+++ b/lib/Linker/LinkModules.cpp
@@ -395,14 +395,8 @@
assert(!isa<GlobalValue>(CPV) && "Unmapped global?");
llvm_unreachable("Unknown type of derived type constant value!");
}
- } else if (const MDNode *N = dyn_cast<MDNode>(In)) {
- std::vector<Value*> Elems;
- for (unsigned i = 0, e = N->getNumElements(); i !=e; ++i)
- Elems.push_back(RemapOperand(N->getElement(i), ValueMap, Context));
- if (!Elems.empty())
- Result = MDNode::get(Context, &Elems[0], Elems.size());
- } else if (const MDString *MDS = dyn_cast<MDString>(In)) {
- Result = MDString::get(Context, MDS->getString());
+ } else if (isa<MetadataBase>(In)) {
+ Result = const_cast<Value*>(In);
} else if (isa<InlineAsm>(In)) {
Result = const_cast<Value*>(In);
}