}
const UnOpInit *UnOpInit::get(UnaryOp opc, const Init *lhs, RecTy *Type) {
- return new UnOpInit(opc, lhs, Type);
+ typedef std::pair<std::pair<unsigned, const Init *>, RecTy *> Key;
+
+ typedef DenseMap<Key, UnOpInit *> Pool;
+ static Pool ThePool;
+
+ Key TheKey(std::make_pair(std::make_pair(opc, lhs), Type));
+
+ UnOpInit *&I = ThePool[TheKey];
+ if (!I) I = new UnOpInit(opc, lhs, Type);
+ return I;
}
const Init *UnOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) const {