+
+ if (Local || Delete)
+ I->setLinkage(GlobalValue::ExternalLinkage);
+
+ if (Delete)
+ I->deleteBody();
+ }
+
+ // Visit the Aliases.
+ for (Module::alias_iterator I = M.alias_begin(), E = M.alias_end();
+ I != E;) {
+ Module::alias_iterator CurI = I;
+ ++I;
+
+ if (CurI->isDiscardableIfUnused()) {
+ CurI->setVisibility(GlobalValue::HiddenVisibility);
+ CurI->setLinkage(GlobalValue::ExternalLinkage);
+ }
+
+ if (deleteStuff == (bool)Named.count(CurI)) {
+ Type *Ty = CurI->getType()->getElementType();
+
+ CurI->removeFromParent();
+ llvm::Value *Declaration;
+ if (FunctionType *FTy = dyn_cast<FunctionType>(Ty)) {
+ Declaration = Function::Create(FTy, GlobalValue::ExternalLinkage,
+ CurI->getName(), &M);
+
+ } else {
+ Declaration =
+ new GlobalVariable(M, Ty, false, GlobalValue::ExternalLinkage,
+ 0, CurI->getName());
+
+ }
+ CurI->replaceAllUsesWith(Declaration);
+ delete CurI;
+ }