+ } else if (const MDString *S = dyn_cast<MDString>(C)) {
+ Code = bitc::CST_CODE_MDSTRING;
+ AbbrevToUse = MDString6Abbrev;
+ for (unsigned i = 0, e = S->size(); i != e; ++i) {
+ char V = S->begin()[i];
+ Record.push_back(V);
+
+ if (!BitCodeAbbrevOp::isChar6(V))
+ AbbrevToUse = MDString8Abbrev;
+ }
+ } else if (const MDNode *N = dyn_cast<MDNode>(C)) {
+ Code = bitc::CST_CODE_MDNODE;
+ for (unsigned i = 0, e = N->getNumElements(); i != e; ++i) {
+ if (N->getElement(i)) {
+ Record.push_back(VE.getTypeID(N->getElement(i)->getType()));
+ Record.push_back(VE.getValueID(N->getElement(i)));
+ } else {
+ Record.push_back(VE.getTypeID(Type::VoidTy));
+ Record.push_back(0);
+ }
+ }