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add TargetExternalSymbol

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23886 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Lenharth 2005-10-23 03:40:17 +00:00
parent 9cc5a0a101
commit 2a2de66db2
3 changed files with 21 additions and 4 deletions
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2
include/llvm/CodeGen/SelectionDAG.h
View File

@ -111,6 +111,7 @@ public:
SDOperand getTargetConstantPool(Constant *C, MVT::ValueType VT);
SDOperand getBasicBlock(MachineBasicBlock *MBB);
SDOperand getExternalSymbol(const char *Sym, MVT::ValueType VT);
SDOperand getTargetExternalSymbol(const char *Sym, MVT::ValueType VT);
SDOperand getValueType(MVT::ValueType);
SDOperand getRegister(unsigned Reg, MVT::ValueType VT);
@ -382,6 +383,7 @@ private:
std::map<MachineBasicBlock *, SDNode*> BBNodes;
std::vector<SDNode*> ValueTypeNodes;
std::map<std::string, SDNode*> ExternalSymbols;
std::map<std::string, SDNode*> TargetExternalSymbols;
std::map<std::pair<unsigned,
std::pair<MVT::ValueType, std::vector<SDOperand> > >,
SDNode*> OneResultNodes;

9
include/llvm/CodeGen/SelectionDAGNodes.h
View File

@ -74,6 +74,7 @@ namespace ISD {
TargetGlobalAddress,
TargetFrameIndex,
TargetConstantPool,
TargetExternalSymbol,
// CopyToReg - This node has three operands: a chain, a register number to
// set to this value, and a value.
@ -932,8 +933,9 @@ class ExternalSymbolSDNode : public SDNode {
const char *Symbol;
protected:
friend class SelectionDAG;
ExternalSymbolSDNode(const char *Sym, MVT::ValueType VT)
: SDNode(ISD::ExternalSymbol, VT), Symbol(Sym) {
ExternalSymbolSDNode(bool isTarget, const char *Sym, MVT::ValueType VT)
: SDNode(isTarget ? ISD::TargetExternalSymbol : ISD::ExternalSymbol, VT),
Symbol(Sym) {
}
public:
@ -941,7 +943,8 @@ public:
static bool classof(const ExternalSymbolSDNode *) { return true; }
static bool classof(const SDNode *N) {
return N->getOpcode() == ISD::ExternalSymbol;
return N->getOpcode() == ISD::ExternalSymbol ||
N->getOpcode() == ISD::TargetExternalSymbol;
}
};

14
lib/CodeGen/SelectionDAG/SelectionDAG.cpp
View File

@ -312,6 +312,9 @@ void SelectionDAG::RemoveNodeFromCSEMaps(SDNode *N) {
case ISD::ExternalSymbol:
Erased = ExternalSymbols.erase(cast<ExternalSymbolSDNode>(N)->getSymbol());
break;
case ISD::TargetExternalSymbol:
Erased = TargetExternalSymbols.erase(cast<ExternalSymbolSDNode>(N)->getSymbol());
break;
case ISD::VALUETYPE:
Erased = ValueTypeNodes[cast<VTSDNode>(N)->getVT()] != 0;
ValueTypeNodes[cast<VTSDNode>(N)->getVT()] = 0;
@ -551,7 +554,15 @@ SDOperand SelectionDAG::getValueType(MVT::ValueType VT) {
SDOperand SelectionDAG::getExternalSymbol(const char *Sym, MVT::ValueType VT) {
SDNode *&N = ExternalSymbols[Sym];
if (N) return SDOperand(N, 0);
N = new ExternalSymbolSDNode(Sym, VT);
N = new ExternalSymbolSDNode(false, Sym, VT);
AllNodes.push_back(N);
return SDOperand(N, 0);
}
SDOperand SelectionDAG::getTargetExternalSymbol(const char *Sym, MVT::ValueType VT) {
SDNode *&N = TargetExternalSymbols[Sym];
if (N) return SDOperand(N, 0);
N = new ExternalSymbolSDNode(true, Sym, VT);
AllNodes.push_back(N);
return SDOperand(N, 0);
}
@ -1586,6 +1597,7 @@ const char *SDNode::getOperationName(const SelectionDAG *G) const {
case ISD::BasicBlock: return "BasicBlock";
case ISD::Register: return "Register";
case ISD::ExternalSymbol: return "ExternalSymbol";
case ISD::TargetExternalSymbol: return "TargetExternalSymbol";
case ISD::ConstantPool: return "ConstantPool";
case ISD::TargetConstantPool: return "TargetConstantPool";
case ISD::CopyToReg: return "CopyToReg";