Handle TAILCALL node

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21957 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-05-13 18:43:43 +00:00
parent 4c1eae9fb3
commit d71c04199c
2 changed files with 10 additions and 3 deletions

View File

@ -361,6 +361,7 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
AddLegalizedOperand(SDOperand(Node, 1), Result.getValue(1));
return Result.getValue(Op.ResNo);
case ISD::TAILCALL:
case ISD::CALL: {
Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain.
Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the callee.
@ -377,7 +378,8 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
RetTyVTs.reserve(Node->getNumValues());
for (unsigned i = 0, e = Node->getNumValues(); i != e; ++i)
RetTyVTs.push_back(Node->getValueType(i));
Result = SDOperand(DAG.getCall(RetTyVTs, Tmp1, Tmp2, Ops), 0);
Result = SDOperand(DAG.getCall(RetTyVTs, Tmp1, Tmp2, Ops,
Node->getOpcode() == ISD::TAILCALL), 0);
} else {
Result = Result.getValue(0);
}
@ -1689,6 +1691,7 @@ SDOperand SelectionDAGLegalize::PromoteOp(SDOperand Op) {
Tmp3 = PromoteOp(Node->getOperand(2)); // Legalize the op1
Result = DAG.getNode(ISD::SELECT, NVT, Tmp1, Tmp2, Tmp3);
break;
case ISD::TAILCALL:
case ISD::CALL: {
Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain.
Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the callee.
@ -1703,7 +1706,8 @@ SDOperand SelectionDAGLegalize::PromoteOp(SDOperand Op) {
RetTyVTs.reserve(2);
RetTyVTs.push_back(NVT);
RetTyVTs.push_back(MVT::Other);
SDNode *NC = DAG.getCall(RetTyVTs, Tmp1, Tmp2, Ops);
SDNode *NC = DAG.getCall(RetTyVTs, Tmp1, Tmp2, Ops,
Node->getOpcode() == ISD::TAILCALL);
Result = SDOperand(NC, 0);
// Insert the new chain mapping.
@ -2341,6 +2345,7 @@ void SelectionDAGLegalize::ExpandOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi){
std::swap(Lo, Hi);
break;
}
case ISD::TAILCALL:
case ISD::CALL: {
SDOperand Chain = LegalizeOp(Node->getOperand(0)); // Legalize the chain.
SDOperand Callee = LegalizeOp(Node->getOperand(1)); // Legalize the callee.
@ -2360,7 +2365,8 @@ void SelectionDAGLegalize::ExpandOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi){
RetTyVTs.push_back(NVT);
RetTyVTs.push_back(NVT);
RetTyVTs.push_back(MVT::Other);
SDNode *NC = DAG.getCall(RetTyVTs, Chain, Callee, Ops);
SDNode *NC = DAG.getCall(RetTyVTs, Chain, Callee, Ops,
Node->getOpcode() == ISD::TAILCALL);
Lo = SDOperand(NC, 0);
Hi = SDOperand(NC, 1);

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@ -1690,6 +1690,7 @@ const char *SDNode::getOperationName() const {
case ISD::BRCONDTWOWAY: return "brcondtwoway";
case ISD::RET: return "ret";
case ISD::CALL: return "call";
case ISD::TAILCALL:return "tailcall";
case ISD::CALLSEQ_START: return "callseq_start";
case ISD::CALLSEQ_END: return "callseq_end";