diff options
-rw-r--r-- | llvm/utils/TableGen/Record.cpp | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/llvm/utils/TableGen/Record.cpp b/llvm/utils/TableGen/Record.cpp index 4608d7aa149..8fc0c18cd4b 100644 --- a/llvm/utils/TableGen/Record.cpp +++ b/llvm/utils/TableGen/Record.cpp @@ -714,7 +714,16 @@ const Init *OpInit::resolveListElementReference(Record &R, const RecordVal *IRV, } 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 { |