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Add code generator support for VSELECT

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27542 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-04-08 22:22:57 +00:00
parent 49027e639e
commit b22e35a3c3
3 changed files with 22 additions and 10 deletions
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5
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
View File

@ -4773,6 +4773,11 @@ SDOperand SelectionDAGLegalize::PackVectorOp(SDOperand Op,
assert(0 && "Cast from unsupported vector type not implemented yet!");
}
}
case ISD::VSELECT:
Result = DAG.getNode(ISD::SELECT, NewVT, Op.getOperand(0),
PackVectorOp(Op.getOperand(1), NewVT),
PackVectorOp(Op.getOperand(2), NewVT));
break;
}
if (TLI.isTypeLegal(NewVT))

1
lib/CodeGen/SelectionDAG/SelectionDAG.cpp
View File

@ -2760,6 +2760,7 @@ const char *SDNode::getOperationName(const SelectionDAG *G) const {
case ISD::SETCC: return "setcc";
case ISD::SELECT: return "select";
case ISD::SELECT_CC: return "select_cc";
case ISD::VSELECT: return "vselect";
case ISD::INSERT_VECTOR_ELT: return "insert_vector_elt";
case ISD::VINSERT_VECTOR_ELT: return "vinsert_vector_elt";
case ISD::EXTRACT_VECTOR_ELT: return "extract_vector_elt";

6
lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
View File

@ -992,8 +992,14 @@ void SelectionDAGLowering::visitSelect(User &I) {
SDOperand Cond = getValue(I.getOperand(0));
SDOperand TrueVal = getValue(I.getOperand(1));
SDOperand FalseVal = getValue(I.getOperand(2));
if (!isa<PackedType>(I.getType())) {
setValue(&I, DAG.getNode(ISD::SELECT, TrueVal.getValueType(), Cond,
TrueVal, FalseVal));
} else {
setValue(&I, DAG.getNode(ISD::VSELECT, MVT::Vector, Cond, TrueVal, FalseVal,
*(TrueVal.Val->op_end()-2),
*(TrueVal.Val->op_end()-1)));
}
}
void SelectionDAGLowering::visitCast(User &I) {