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-rw-r--r--utils/TableGen/Record.cpp11
1 files changed, 10 insertions, 1 deletions
diff --git a/utils/TableGen/Record.cpp b/utils/TableGen/Record.cpp
index 3a022fc151..89de3edfd1 100644
--- a/utils/TableGen/Record.cpp
+++ b/utils/TableGen/Record.cpp
@@ -1414,7 +1414,16 @@ const Init *VarBitInit::resolveReferences(Record &R,
const VarListElementInit *VarListElementInit::get(const TypedInit *T,
unsigned E) {
- return new VarListElementInit(T, E);
+ typedef std::pair<const TypedInit *, unsigned> Key;
+ typedef DenseMap<Key, VarListElementInit *> Pool;
+
+ static Pool ThePool;
+
+ Key TheKey(std::make_pair(T, E));
+
+ VarListElementInit *&I = ThePool[TheKey];
+ if (!I) I = new VarListElementInit(T, E);
+ return I;
}
std::string VarListElementInit::getAsString() const {