diff options
| -rw-r--r-- | utils/TableGen/Record.cpp | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/utils/TableGen/Record.cpp b/utils/TableGen/Record.cpp index 8fc0c18cd4..56a46e195b 100644 --- a/utils/TableGen/Record.cpp +++ b/utils/TableGen/Record.cpp @@ -860,7 +860,20 @@ std::string UnOpInit::getAsString() const { const BinOpInit *BinOpInit::get(BinaryOp opc, const Init *lhs, const Init *rhs, RecTy *Type) { - return new BinOpInit(opc, lhs, rhs, Type); + typedef std::pair< + std::pair<std::pair<unsigned, const Init *>, const Init *>, + RecTy * + > Key; + + typedef DenseMap<Key, BinOpInit *> Pool; + static Pool ThePool; + + Key TheKey(std::make_pair(std::make_pair(std::make_pair(opc, lhs), rhs), + Type)); + + BinOpInit *&I = ThePool[TheKey]; + if (!I) I = new BinOpInit(opc, lhs, rhs, Type); + return I; } const Init *BinOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) const { |