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Remove the ISD::CALL and ISD::TAILCALL nodes

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25721 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-01-28 00:18:58 +00:00
parent 253a87d667
commit 0ff5c27a00
2 changed files with 1 additions and 83 deletions
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80
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
View File

@ -903,34 +903,6 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
AddLegalizedOperand(SDOperand(Node, 0), Result);
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.
bool Changed = false;
std::vector<SDOperand> Ops;
for (unsigned i = 2, e = Node->getNumOperands(); i != e; ++i) {
Ops.push_back(LegalizeOp(Node->getOperand(i)));
Changed |= Ops.back() != Node->getOperand(i);
}
if (Tmp1 != Node->getOperand(0) || Tmp2 != Node->getOperand(1) || Changed) {
std::vector<MVT::ValueType> RetTyVTs;
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,
Node->getOpcode() == ISD::TAILCALL), 0);
} else {
Result = Result.getValue(0);
}
// Since calls produce multiple values, make sure to remember that we
// legalized all of them.
for (unsigned i = 0, e = Node->getNumValues(); i != e; ++i)
AddLegalizedOperand(SDOperand(Node, i), Result.getValue(i));
return Result.getValue(Op.ResNo);
}
case ISD::BR:
Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain.
if (Tmp1 != Node->getOperand(0))
@ -3278,29 +3250,6 @@ SDOperand SelectionDAGLegalize::PromoteOp(SDOperand Op) {
Node->getOperand(1), Tmp2, Tmp3,
Node->getOperand(4));
break;
case ISD::TAILCALL:
case ISD::CALL: {
Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain.
Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the callee.
std::vector<SDOperand> Ops;
for (unsigned i = 2, e = Node->getNumOperands(); i != e; ++i)
Ops.push_back(LegalizeOp(Node->getOperand(i)));
assert(Node->getNumValues() == 2 && Op.ResNo == 0 &&
"Can only promote single result calls");
std::vector<MVT::ValueType> RetTyVTs;
RetTyVTs.reserve(2);
RetTyVTs.push_back(NVT);
RetTyVTs.push_back(MVT::Other);
SDNode *NC = DAG.getCall(RetTyVTs, Tmp1, Tmp2, Ops,
Node->getOpcode() == ISD::TAILCALL);
Result = SDOperand(NC, 0);
// Insert the new chain mapping.
AddLegalizedOperand(Op.getValue(1), Result.getValue(1));
break;
}
case ISD::BSWAP:
Tmp1 = Node->getOperand(0);
Tmp1 = DAG.getNode(ISD::ZERO_EXTEND, NVT, Tmp1);
@ -4079,35 +4028,6 @@ void SelectionDAGLegalize::ExpandOp(SDOperand Op, SDOperand &Lo, SDOperand &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.
bool Changed = false;
std::vector<SDOperand> Ops;
for (unsigned i = 2, e = Node->getNumOperands(); i != e; ++i) {
Ops.push_back(LegalizeOp(Node->getOperand(i)));
Changed |= Ops.back() != Node->getOperand(i);
}
assert(Node->getNumValues() == 2 && Op.ResNo == 0 &&
"Can only expand a call once so far, not i64 -> i16!");
std::vector<MVT::ValueType> RetTyVTs;
RetTyVTs.reserve(3);
RetTyVTs.push_back(NVT);
RetTyVTs.push_back(NVT);
RetTyVTs.push_back(MVT::Other);
SDNode *NC = DAG.getCall(RetTyVTs, Chain, Callee, Ops,
Node->getOpcode() == ISD::TAILCALL);
Lo = SDOperand(NC, 0);
Hi = SDOperand(NC, 1);
// Insert the new chain mapping.
AddLegalizedOperand(Op.getValue(1), Hi.getValue(2));
break;
}
case ISD::AND:
case ISD::OR:
case ISD::XOR: { // Simple logical operators -> two trivial pieces.

4
lib/CodeGen/SelectionDAG/SelectionDAG.cpp
View File

@ -374,7 +374,7 @@ void SelectionDAG::RemoveNodeFromCSEMaps(SDNode *N) {
// flag result (which cannot be CSE'd) or is one of the special cases that are
// not subject to CSE.
if (!Erased && N->getValueType(N->getNumValues()-1) != MVT::Flag &&
N->getOpcode() != ISD::CALL && N->getOpcode() != ISD::CALLSEQ_START &&
N->getOpcode() != ISD::CALLSEQ_START &&
N->getOpcode() != ISD::CALLSEQ_END && !N->isTargetOpcode()) {
N->dump();
@ -2096,8 +2096,6 @@ const char *SDNode::getOperationName(const SelectionDAG *G) const {
case ISD::BR_CC: return "br_cc";
case ISD::BRTWOWAY_CC: return "brtwoway_cc";
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";