diff options
| -rw-r--r-- | utils/TableGen/Record.cpp | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/utils/TableGen/Record.cpp b/utils/TableGen/Record.cpp index 68f9f2a247..3a022fc151 100644 --- a/utils/TableGen/Record.cpp +++ b/utils/TableGen/Record.cpp @@ -1389,7 +1389,16 @@ const Init *VarInit::resolveReferences(Record &R, const RecordVal *RV) const { } const VarBitInit *VarBitInit::get(const TypedInit *T, unsigned B) { - return new VarBitInit(T, B); + typedef std::pair<const TypedInit *, unsigned> Key; + typedef DenseMap<Key, VarBitInit *> Pool; + + static Pool ThePool; + + Key TheKey(std::make_pair(T, B)); + + VarBitInit *&I = ThePool[TheKey]; + if (!I) I = new VarBitInit(T, B); + return I; } std::string VarBitInit::getAsString() const { |