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It seems better to scalarize vectors of size 1 instead of widening them.
Add support to widen SETCC. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94342 91177308-0d34-0410-b5e6-96231b3b80d8
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@@ -1172,6 +1172,7 @@ void DAGTypeLegalizer::WidenVectorResult(SDNode *N, unsigned ResNo) {
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case ISD::SIGN_EXTEND_INREG: Res = WidenVecRes_InregOp(N); break;
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case ISD::SELECT: Res = WidenVecRes_SELECT(N); break;
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case ISD::SELECT_CC: Res = WidenVecRes_SELECT_CC(N); break;
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case ISD::SETCC: Res = WidenVecRes_SETCC(N); break;
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case ISD::UNDEF: Res = WidenVecRes_UNDEF(N); break;
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case ISD::VECTOR_SHUFFLE:
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Res = WidenVecRes_VECTOR_SHUFFLE(cast<ShuffleVectorSDNode>(N));
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@@ -1718,6 +1719,14 @@ SDValue DAGTypeLegalizer::WidenVecRes_SELECT_CC(SDNode *N) {
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N->getOperand(1), InOp1, InOp2, N->getOperand(4));
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}
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SDValue DAGTypeLegalizer::WidenVecRes_SETCC(SDNode *N) {
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EVT WidenVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0));
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SDValue InOp1 = GetWidenedVector(N->getOperand(0));
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SDValue InOp2 = GetWidenedVector(N->getOperand(1));
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return DAG.getNode(ISD::SETCC, N->getDebugLoc(), WidenVT,
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InOp1, InOp2, N->getOperand(2));
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}
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SDValue DAGTypeLegalizer::WidenVecRes_UNDEF(SDNode *N) {
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EVT WidenVT = TLI.getTypeToTransformTo(*DAG.getContext(), N->getValueType(0));
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return DAG.getUNDEF(WidenVT);
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