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implement the rest of the functionality from SelectionDAGLegalize::ScalarizeVectorOp

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llvm-svn: 44654
This commit is contained in:
Chris Lattner 2007-12-06 05:53:43 +00:00
parent cdc572968c
commit 91251d1337
1 changed files with 24 additions and 10 deletions
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34
lib/CodeGen/SelectionDAG/LegalizeDAGTypes.cpp
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@ -209,8 +209,9 @@ private:
SDOperand ScalarizeRes_BinOp(SDNode *N);
SDOperand ScalarizeRes_UnaryOp(SDNode *N);
SDOperand ScalarizeRes_FPOWI(SDNode *N);
SDOperand ScalarizeRes_BUILD_VECTOR(SDNode *N);
SDOperand ScalarizeRes_INSERT_VECTOR_ELT(SDNode *N);
SDOperand ScalarizeRes_VECTOR_SHUFFLE(SDNode *N);
SDOperand ScalarizeRes_BIT_CONVERT(SDNode *N);
SDOperand ScalarizeRes_SELECT(SDNode *N);
// Operand Promotion.
bool PromoteOperand(SDNode *N, unsigned OperandNo);
@ -1655,10 +1656,13 @@ void DAGTypeLegalizer::ScalarizeResult(SDNode *N, unsigned ResNo) {
case ISD::FABS:
case ISD::FSQRT:
case ISD::FSIN:
case ISD::FCOS: R = ScalarizeRes_UnaryOp(N); break;
case ISD::FPOWI: R = ScalarizeRes_FPOWI(N); break;
case ISD::BUILD_VECTOR: R = ScalarizeRes_BUILD_VECTOR(N); break;
case ISD::INSERT_VECTOR_ELT: R = ScalarizeRes_INSERT_VECTOR_ELT(N); break;
case ISD::FCOS: R = ScalarizeRes_UnaryOp(N); break;
case ISD::FPOWI: R = ScalarizeRes_FPOWI(N); break;
case ISD::BUILD_VECTOR: R = N->getOperand(0); break;
case ISD::INSERT_VECTOR_ELT: R = N->getOperand(1); break;
case ISD::VECTOR_SHUFFLE: R = ScalarizeRes_VECTOR_SHUFFLE(N); break;
case ISD::BIT_CONVERT: R = ScalarizeRes_BIT_CONVERT(N); break;
case ISD::SELECT: R = ScalarizeRes_SELECT(N); break;
}
// If R is null, the sub-method took care of registering the resul.
@ -1698,12 +1702,22 @@ SDOperand DAGTypeLegalizer::ScalarizeRes_FPOWI(SDNode *N) {
return DAG.getNode(ISD::FPOWI, Op.getValueType(), Op, N->getOperand(1));
}
SDOperand DAGTypeLegalizer::ScalarizeRes_BUILD_VECTOR(SDNode *N) {
return N->getOperand(0);
SDOperand DAGTypeLegalizer::ScalarizeRes_VECTOR_SHUFFLE(SDNode *N) {
// Figure out if the scalar is the LHS or RHS and return it.
SDOperand EltNum = N->getOperand(2).getOperand(0);
unsigned Op = cast<ConstantSDNode>(EltNum)->getValue() != 0;
return GetScalarizedOp(N->getOperand(Op));
}
SDOperand DAGTypeLegalizer::ScalarizeRes_INSERT_VECTOR_ELT(SDNode *N) {
return N->getOperand(1); // Returning the inserted scalar element.
SDOperand DAGTypeLegalizer::ScalarizeRes_BIT_CONVERT(SDNode *N) {
MVT::ValueType NewVT = MVT::getVectorElementType(N->getValueType(0));
return DAG.getNode(ISD::BIT_CONVERT, NewVT, N->getOperand(0));
}
SDOperand DAGTypeLegalizer::ScalarizeRes_SELECT(SDNode *N) {
SDOperand LHS = GetScalarizedOp(N->getOperand(1));
return DAG.getNode(ISD::SELECT, LHS.getValueType(), N->getOperand(0), LHS,
GetScalarizedOp(N->getOperand(2)));
}