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[AVX] Make UnOpInit Unique
Make sure UnOpInits are unique and created only once. This will be important for AVX/SIMD as many operators will be used to generate patterns and other relevant data. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136494 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -714,7 +714,16 @@ const Init *OpInit::resolveListElementReference(Record &R, const RecordVal *IRV,
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const UnOpInit *UnOpInit::get(UnaryOp opc, const Init *lhs, RecTy *Type) {
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return new UnOpInit(opc, lhs, Type);
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typedef std::pair<std::pair<unsigned, const Init *>, RecTy *> Key;
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typedef DenseMap<Key, UnOpInit *> Pool;
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static Pool ThePool;
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Key TheKey(std::make_pair(std::make_pair(opc, lhs), Type));
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UnOpInit *&I = ThePool[TheKey];
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if (!I) I = new UnOpInit(opc, lhs, Type);
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return I;
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}
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const Init *UnOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) const {
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