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Fix PR3011: LegalizeTypes support for scalarizing

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SELECT_CC.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58706 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan Sands
2008-11-04 17:31:08 +00:00
parent 9a99325141
commit e59416efb8
3 changed files with 19 additions and 0 deletions
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9
lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
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@@ -48,6 +48,7 @@ void DAGTypeLegalizer::ScalarizeVectorResult(SDNode *N, unsigned ResNo) {
case ISD::INSERT_VECTOR_ELT: R = ScalarizeVecRes_INSERT_VECTOR_ELT(N); break;
case ISD::LOAD: R = ScalarizeVecRes_LOAD(cast<LoadSDNode>(N));break;
case ISD::SELECT: R = ScalarizeVecRes_SELECT(N); break;
case ISD::SELECT_CC: R = ScalarizeVecRes_SELECT_CC(N); break;
case ISD::UNDEF: R = ScalarizeVecRes_UNDEF(N); break;
case ISD::VECTOR_SHUFFLE: R = ScalarizeVecRes_VECTOR_SHUFFLE(N); break;
case ISD::VSETCC: R = ScalarizeVecRes_VSETCC(N); break;
@@ -162,6 +163,14 @@ SDValue DAGTypeLegalizer::ScalarizeVecRes_SELECT(SDNode *N) {
GetScalarizedVector(N->getOperand(2)));
}
SDValue DAGTypeLegalizer::ScalarizeVecRes_SELECT_CC(SDNode *N) {
SDValue LHS = GetScalarizedVector(N->getOperand(2));
return DAG.getNode(ISD::SELECT_CC, LHS.getValueType(),
N->getOperand(0), N->getOperand(1),
LHS, GetScalarizedVector(N->getOperand(3)),
N->getOperand(4));
}
SDValue DAGTypeLegalizer::ScalarizeVecRes_VECTOR_SHUFFLE(SDNode *N) {
// Figure out if the scalar is the LHS or RHS and return it.
SDValue Arg = N->getOperand(2).getOperand(0);