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add a getNode() version that allows construction of any node type.

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llvm-svn: 22009
This commit is contained in:
Chris Lattner 2005-05-14 06:20:26 +00:00
parent 1032d777e6
commit 1afb5ae575
1 changed files with 33 additions and 9 deletions
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42
lib/CodeGen/SelectionDAG/SelectionDAG.cpp
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@ -257,6 +257,13 @@ void SelectionDAG::DeleteNodeIfDead(SDNode *N, void *NodeSet) {
BinaryOps.erase(std::make_pair(N->getOpcode(),
std::make_pair(N->getOperand(0),
N->getOperand(1))));
else {
// Remove the node from the ArbitraryNodes map.
std::vector<MVT::ValueType> RV(N->value_begin(), N->value_end());
std::vector<SDOperand> Ops(N->op_begin(), N->op_end());
ArbitraryNodes.erase(std::make_pair(N->getOpcode(),
std::make_pair(RV, Ops)));
}
break;
}
@ -1410,29 +1417,29 @@ SDOperand SelectionDAG::getSrcValue(const Value *V, int Offset) {
}
SDOperand SelectionDAG::getNode(unsigned Opcode, MVT::ValueType VT,
std::vector<SDOperand> &Children) {
switch (Children.size()) {
std::vector<SDOperand> &Ops) {
switch (Ops.size()) {
case 0: return getNode(Opcode, VT);
case 1: return getNode(Opcode, VT, Children[0]);
case 2: return getNode(Opcode, VT, Children[0], Children[1]);
case 3: return getNode(Opcode, VT, Children[0], Children[1], Children[2]);
case 1: return getNode(Opcode, VT, Ops[0]);
case 2: return getNode(Opcode, VT, Ops[0], Ops[1]);
case 3: return getNode(Opcode, VT, Ops[0], Ops[1], Ops[2]);
default: break;
}
ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(Children[1].Val);
ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(Ops[1].Val);
switch (Opcode) {
default: break;
case ISD::BRCONDTWOWAY:
if (N1C)
if (N1C->getValue()) // Unconditional branch to true dest.
return getNode(ISD::BR, MVT::Other, Children[0], Children[2]);
return getNode(ISD::BR, MVT::Other, Ops[0], Ops[2]);
else // Unconditional branch to false dest.
return getNode(ISD::BR, MVT::Other, Children[0], Children[3]);
return getNode(ISD::BR, MVT::Other, Ops[0], Ops[3]);
break;
}
// FIXME: MEMOIZE!!
SDNode *N = new SDNode(Opcode, Children);
SDNode *N = new SDNode(Opcode, Ops);
if (Opcode != ISD::ADD_PARTS && Opcode != ISD::SUB_PARTS) {
N->setValueTypes(VT);
} else {
@ -1443,6 +1450,23 @@ SDOperand SelectionDAG::getNode(unsigned Opcode, MVT::ValueType VT,
return SDOperand(N, 0);
}
SDOperand SelectionDAG::getNode(unsigned Opcode,
std::vector<MVT::ValueType> &ResultTys,
std::vector<SDOperand> &Ops) {
if (ResultTys.size() == 1)
return getNode(Opcode, ResultTys[0], Ops);
// Memoize the node.
SDNode *&N = ArbitraryNodes[std::make_pair(Opcode, std::make_pair(ResultTys,
Ops))];
if (N) return SDOperand(N, 0);
N = new SDNode(Opcode, Ops);
N->setValueTypes(ResultTys);
return SDOperand(N, 0);
}
SDOperand SelectionDAG::getNode(unsigned Opcode, MVT::ValueType VT,SDOperand N1,
MVT::ValueType EVT) {