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[AVX] Make VarBitInit Unique
Make sure VarBitInits are unique and created only once. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136498 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -1389,7 +1389,16 @@ const Init *VarInit::resolveReferences(Record &R, const RecordVal *RV) const {
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}
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const VarBitInit *VarBitInit::get(const TypedInit *T, unsigned B) {
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const VarBitInit *VarBitInit::get(const TypedInit *T, unsigned B) {
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return new VarBitInit(T, B);
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typedef std::pair<const TypedInit *, unsigned> Key;
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typedef DenseMap<Key, VarBitInit *> Pool;
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static Pool ThePool;
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Key TheKey(std::make_pair(T, B));
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VarBitInit *&I = ThePool[TheKey];
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if (!I) I = new VarBitInit(T, B);
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return I;
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}
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}
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std::string VarBitInit::getAsString() const {
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std::string VarBitInit::getAsString() const {
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