- RF_None, &TypeMap));
- }
-}
-
-/// categorizeModuleFlagNodes - Categorize the module flags according to their
-/// type: Error, Warning, Override, and Require.
-bool ModuleLinker::
-categorizeModuleFlagNodes(const NamedMDNode *ModFlags,
- DenseMap<MDString*, MDNode*> &ErrorNode,
- DenseMap<MDString*, MDNode*> &WarningNode,
- DenseMap<MDString*, MDNode*> &OverrideNode,
- DenseMap<MDString*,
- SmallSetVector<MDNode*, 8> > &RequireNodes,
- SmallSetVector<MDString*, 16> &SeenIDs) {
- bool HasErr = false;
-
- for (unsigned I = 0, E = ModFlags->getNumOperands(); I != E; ++I) {
- MDNode *Op = ModFlags->getOperand(I);
- ConstantInt *Behavior = cast<ConstantInt>(Op->getOperand(0));
- MDString *ID = cast<MDString>(Op->getOperand(1));
- Value *Val = Op->getOperand(2);
- switch (Behavior->getZExtValue()) {
- case Module::Error: {
- MDNode *&ErrNode = ErrorNode[ID];
- if (!ErrNode) ErrNode = Op;
- if (ErrNode->getOperand(2) != Val)
- HasErr = emitError("linking module flags '" + ID->getString() +
- "': IDs have conflicting values");
- break;
- }
- case Module::Warning: {
- MDNode *&WarnNode = WarningNode[ID];
- if (!WarnNode) WarnNode = Op;
- if (WarnNode->getOperand(2) != Val)
- errs() << "WARNING: linking module flags '" << ID->getString()
- << "': IDs have conflicting values";
- break;
- }
- case Module::Require: RequireNodes[ID].insert(Op); break;
- case Module::Override: {
- MDNode *&OvrNode = OverrideNode[ID];
- if (!OvrNode) OvrNode = Op;
- if (OvrNode->getOperand(2) != Val)
- HasErr = emitError("linking module flags '" + ID->getString() +
- "': IDs have conflicting override values");
- break;
- }
- }
-
- SeenIDs.insert(ID);