bool PTXDAGToDAGISel::SelectImm(const SDValue &operand, SDValue &imm) {
SDNode *node = operand.getNode();
if (!ConstantSDNode::classof(node))
return false;
ConstantSDNode *CN = cast<ConstantSDNode>(node);
imm = CurDAG->getTargetConstant(*CN->getConstantIntValue(), MVT::i32);
return true;
}
SDValue
VectorProcTargetLowering::LowerConstant(SDValue Op, SelectionDAG &DAG) const
{
DebugLoc dl = Op.getDebugLoc();
EVT PtrVT = Op.getValueType();
ConstantSDNode *C = cast<ConstantSDNode>(Op);
if (C->getAPIntValue().abs().ult(0x4000))
{
// Don't need to convert to constant pool reference. This will fit in
// the immediate field of a single instruction, sign extended (15 bits).
return SDValue();
}
SDValue CPIdx = DAG.getConstantPool(C->getConstantIntValue(), MVT::i32);
return DAG.getLoad(MVT::i32, dl, DAG.getEntryNode(), CPIdx,
MachinePointerInfo::getConstantPool(), false, false, false, 4);
}
