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Added support for variable_ops.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28788 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2006-06-14 22:22:20 +00:00
parent 4b5a352f25
commit e945f4d3d4
1 changed files with 85 additions and 92 deletions
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177
utils/TableGen/DAGISelEmitter.cpp
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@ -2500,6 +2500,7 @@ public:
if (InstPatNode && InstPatNode->getOperator()->getName() == "set") {
InstPatNode = InstPatNode->getChild(1);
}
bool HasVarOps = isRoot && II.hasVariableNumberOfOperands;
bool HasImpInputs = isRoot && Inst.getNumImpOperands() > 0;
bool HasImpResults = isRoot && Inst.getNumImpResults() > 0;
bool NodeHasOptInFlag = isRoot &&
@ -2515,10 +2516,11 @@ public:
if (NodeHasInFlag || NodeHasOutFlag || NodeHasOptInFlag || HasImpInputs)
emitDecl("InFlag");
if (NodeHasOptInFlag) {
emitCode("bool HasOptInFlag = "
if (NodeHasOptInFlag)
emitCode("bool HasInFlag = "
"N.getOperand(N.getNumOperands()-1).getValueType() == MVT::Flag;");
}
if (HasVarOps)
emitCode("std::vector<SDOperand> Ops;");
// How many results is this pattern expected to produce?
unsigned PatResults = 0;
@ -2581,7 +2583,7 @@ public:
if (NodeHasInFlag || HasImpInputs)
EmitInFlagSelectCode(Pattern, "N", ChainEmitted, true);
if (NodeHasOptInFlag) {
emitCode("if (HasOptInFlag)");
emitCode("if (HasInFlag)");
emitCode(" Select(InFlag, N.getOperand(N.getNumOperands()-1));");
}
@ -2596,96 +2598,87 @@ public:
unsigned ResNo = TmpNo++;
if (!isRoot || InputHasChain || NodeHasChain || NodeHasOutFlag ||
NodeHasOptInFlag) {
if (NodeHasOptInFlag) {
unsigned FlagNo = (unsigned) NodeHasChain + Pattern->getNumChildren();
emitDecl("ResNode", true);
emitCode("if (HasOptInFlag)");
std::string Code = " ResNode = CurDAG->getTargetNode(" +
II.Namespace + "::" + II.TheDef->getName();
// Output order: results, chain, flags
// Result types.
if (PatResults > 0) {
if (N->getTypeNum(0) != MVT::isVoid)
Code += ", " + getEnumName(N->getTypeNum(0));
}
if (NodeHasChain)
Code += ", MVT::Other";
if (NodeHasOutFlag)
Code += ", MVT::Flag";
// Inputs.
for (unsigned i = 0, e = Ops.size(); i != e; ++i)
Code += ", Tmp" + utostr(Ops[i]);
if (NodeHasChain) Code += ", " + ChainName;
emitCode(Code + ", InFlag);");
emitCode("else");
Code = " ResNode = CurDAG->getTargetNode(" + II.Namespace + "::" +
II.TheDef->getName();
// Output order: results, chain, flags
// Result types.
if (PatResults > 0 && N->getTypeNum(0) != MVT::isVoid)
Code += ", " + getEnumName(N->getTypeNum(0));
if (NodeHasChain)
Code += ", MVT::Other";
if (NodeHasOutFlag)
Code += ", MVT::Flag";
// Inputs.
for (unsigned i = 0, e = Ops.size(); i != e; ++i)
Code += ", Tmp" + utostr(Ops[i]);
if (NodeHasChain) Code += ", " + ChainName + ");";
emitCode(Code);
if (NodeHasChain)
// Remember which op produces the chain.
emitCode(ChainName + " = SDOperand(ResNode" +
", " + utostr(PatResults) + ");");
std::string Code;
std::string Code2;
std::string NodeName;
if (!isRoot) {
NodeName = "Tmp" + utostr(ResNo);
emitDecl(NodeName);
Code2 = NodeName + " = SDOperand(";
} else {
std::string Code;
std::string NodeName;
if (!isRoot) {
NodeName = "Tmp" + utostr(ResNo);
emitDecl(NodeName);
Code = NodeName + " = SDOperand(";
} else {
NodeName = "ResNode";
emitDecl(NodeName, true);
Code = NodeName + " = ";
}
Code += "CurDAG->getTargetNode(" +
II.Namespace + "::" + II.TheDef->getName();
// Output order: results, chain, flags
// Result types.
if (NumResults > 0 && N->getTypeNum(0) != MVT::isVoid)
Code += ", " + getEnumName(N->getTypeNum(0));
if (NodeHasChain)
Code += ", MVT::Other";
if (NodeHasOutFlag)
Code += ", MVT::Flag";
// Inputs.
for (unsigned i = 0, e = Ops.size(); i != e; ++i)
Code += ", Tmp" + utostr(Ops[i]);
if (NodeHasChain) Code += ", " + ChainName;
if (NodeHasInFlag || HasImpInputs) Code += ", InFlag";
if (!isRoot)
emitCode(Code + "), 0);");
else
emitCode(Code + ");");
if (NodeHasChain)
// Remember which op produces the chain.
if (!isRoot)
emitCode(ChainName + " = SDOperand(" + NodeName +
".Val, " + utostr(PatResults) + ");");
else
emitCode(ChainName + " = SDOperand(" + NodeName +
", " + utostr(PatResults) + ");");
NodeName = "ResNode";
emitDecl(NodeName, true);
Code2 = NodeName + " = ";
}
Code = "CurDAG->getTargetNode(" +
II.Namespace + "::" + II.TheDef->getName();
// Output order: results, chain, flags
// Result types.
if (NumResults > 0 && N->getTypeNum(0) != MVT::isVoid)
Code += ", " + getEnumName(N->getTypeNum(0));
if (NodeHasChain)
Code += ", MVT::Other";
if (NodeHasOutFlag)
Code += ", MVT::Flag";
// Inputs.
for (unsigned i = 0, e = Ops.size(); i != e; ++i) {
if (HasVarOps)
emitCode("Ops.push_back(Tmp" + utostr(Ops[i]) + ");");
else
Code += ", Tmp" + utostr(Ops[i]);
}
if (HasVarOps) {
if (NodeHasInFlag || HasImpInputs)
emitCode("for (unsigned i = 2, e = N.getNumOperands()-1; "
"i != e; ++i) {");
else if (NodeHasOptInFlag)
emitCode("for (unsigned i = 2, e = N.getNumOperands()-HasInFlag; "
"i != e; ++i) {");
else
emitCode("for (unsigned i = 2, e = N.getNumOperands(); "
"i != e; ++i) {");
emitCode(" SDOperand VarOp(0, 0);");
emitCode(" Select(VarOp, N.getOperand(i));");
emitCode(" Ops.push_back(VarOp);");
emitCode("}");
}
if (NodeHasChain) {
if (HasVarOps)
emitCode("Ops.push_back(" + ChainName + ");");
else
Code += ", " + ChainName;
}
if (NodeHasInFlag || HasImpInputs) {
if (HasVarOps)
emitCode("Ops.push_back(InFlag);");
else
Code += ", InFlag";
} else if (NodeHasOptInFlag && HasVarOps) {
emitCode("if (HasInFlag)");
emitCode(" Ops.push_back(InFlag);");
}
if (HasVarOps)
Code += ", Ops";
else if (NodeHasOptInFlag)
Code = "HasInFlag ? " + Code + ", InFlag) : " + Code;
if (!isRoot)
Code += "), 0";
emitCode(Code2 + Code + ");");
if (NodeHasChain)
// Remember which op produces the chain.
if (!isRoot)
emitCode(ChainName + " = SDOperand(" + NodeName +
".Val, " + utostr(PatResults) + ");");
else
emitCode(ChainName + " = SDOperand(" + NodeName +
", " + utostr(PatResults) + ");");
if (!isRoot)
return std::make_pair(1, ResNo);