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add some method variants

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llvm-svn: 23142
This commit is contained in:
Chris Lattner 2005-08-30 01:56:13 +00:00
parent 66ff5ca72d
commit d6753aa388
1 changed files with 39 additions and 0 deletions
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39
include/llvm/CodeGen/SelectionDAG.h
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@ -112,6 +112,22 @@ public:
getRegister(Reg, N.getValueType()), N);
}
// This version of the getCopyToReg method takes an extra operand, which
// indicates that there is potentially an incoming flag value (if Flag is not
// null) and that there should be a flag result.
SDOperand getCopyToReg(SDOperand Chain, unsigned Reg, SDOperand N,
SDOperand Flag) {
std::vector<MVT::ValueType> VTs;
VTs.push_back(MVT::Other);
VTs.push_back(MVT::Flag);
std::vector<SDOperand> Ops;
Ops.push_back(Chain);
Ops.push_back(getRegister(Reg, N.getValueType()));
Ops.push_back(N);
if (Flag.Val) Ops.push_back(Flag);
return getNode(ISD::CopyToReg, VTs, Ops);
}
SDOperand getCopyFromReg(SDOperand Chain, unsigned Reg, MVT::ValueType VT) {
std::vector<MVT::ValueType> ResultTys;
ResultTys.push_back(VT);
@ -121,6 +137,22 @@ public:
Ops.push_back(getRegister(Reg, VT));
return getNode(ISD::CopyFromReg, ResultTys, Ops);
}
// This version of the getCopyFromReg method takes an extra operand, which
// indicates that there is potentially an incoming flag value (if Flag is not
// null) and that there should be a flag result.
SDOperand getCopyFromReg(SDOperand Chain, unsigned Reg, MVT::ValueType VT,
SDOperand Flag) {
std::vector<MVT::ValueType> ResultTys;
ResultTys.push_back(VT);
ResultTys.push_back(MVT::Other);
ResultTys.push_back(MVT::Flag);
std::vector<SDOperand> Ops;
Ops.push_back(Chain);
Ops.push_back(getRegister(Reg, VT));
if (Flag.Val) Ops.push_back(Flag);
return getNode(ISD::CopyFromReg, ResultTys, Ops);
}
SDOperand getImplicitDef(SDOperand Chain, unsigned Reg, MVT::ValueType VT) {
return getNode(ISD::ImplicitDef, MVT::Other, Chain, getRegister(Reg, VT));
@ -277,6 +309,13 @@ public:
std::vector<SDOperand> &Ops) {
return getNode(ISD::BUILTIN_OP_END+Opcode, VT, Ops);
}
SDOperand getTargetNode(unsigned Opcode, MVT::ValueType VT1,
MVT::ValueType VT2, std::vector<SDOperand> &Ops) {
std::vector<MVT::ValueType> ResultTys;
ResultTys.push_back(VT1);
ResultTys.push_back(VT2);
return getNode(ISD::BUILTIN_OP_END+Opcode, ResultTys, Ops);
}
/// ReplaceAllUsesWith - Modify anything using 'From' to use 'To' instead.
/// This can cause recursive merging of nodes in the DAG. Use the first