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add a new TargetFrameIndex node

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23035 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-08-25 00:43:01 +00:00
parent 89532c7db0
commit afb2dd43de
3 changed files with 20 additions and 5 deletions
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3
include/llvm/CodeGen/SelectionDAG.h
View File

@ -99,6 +99,7 @@ public:
SDOperand getGlobalAddress(const GlobalValue *GV, MVT::ValueType VT);
SDOperand getTargetGlobalAddress(const GlobalValue *GV, MVT::ValueType VT);
SDOperand getFrameIndex(int FI, MVT::ValueType VT);
SDOperand getTargetFrameIndex(int FI, MVT::ValueType VT);
SDOperand getConstantPool(unsigned CPIdx, MVT::ValueType VT);
SDOperand getBasicBlock(MachineBasicBlock *MBB);
SDOperand getExternalSymbol(const char *Sym, MVT::ValueType VT);
@ -307,7 +308,7 @@ private:
std::map<std::pair<uint64_t, MVT::ValueType>, SDNode*> Constants;
std::map<std::pair<uint64_t, MVT::ValueType>, SDNode*> TargetConstants;
std::map<std::pair<uint64_t, MVT::ValueType>, SDNode*> ConstantFPs;
std::map<int, SDNode*> FrameIndices;
std::map<int, SDNode*> FrameIndices, TargetFrameIndices;
std::map<unsigned, SDNode*> ConstantPoolIndices;
std::map<MachineBasicBlock *, SDNode*> BBNodes;
std::vector<SDNode*> ValueTypeNodes;

8
include/llvm/CodeGen/SelectionDAGNodes.h
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@ -65,6 +65,7 @@ namespace ISD {
// anything else with this node, and this is valid in the target-specific
// dag, turning into a GlobalAddress operand.
TargetGlobalAddress,
TargetFrameIndex,
// CopyToReg - This node has three operands: a chain, a register number to
// set to this value, and a value.
@ -812,15 +813,16 @@ class FrameIndexSDNode : public SDNode {
int FI;
protected:
friend class SelectionDAG;
FrameIndexSDNode(int fi, MVT::ValueType VT)
: SDNode(ISD::FrameIndex, VT), FI(fi) {}
FrameIndexSDNode(int fi, MVT::ValueType VT, bool isTarg)
: SDNode(isTarg ? ISD::TargetFrameIndex : ISD::FrameIndex, VT), FI(fi) {}
public:
int getIndex() const { return FI; }
static bool classof(const FrameIndexSDNode *) { return true; }
static bool classof(const SDNode *N) {
return N->getOpcode() == ISD::FrameIndex;
return N->getOpcode() == ISD::FrameIndex ||
N->getOpcode() == ISD::TargetFrameIndex;
}
};

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

@ -261,6 +261,9 @@ void SelectionDAG::RemoveNodeFromCSEMaps(SDNode *N) {
case ISD::FrameIndex:
FrameIndices.erase(cast<FrameIndexSDNode>(N)->getIndex());
break;
case ISD::TargetFrameIndex:
TargetFrameIndices.erase(cast<FrameIndexSDNode>(N)->getIndex());
break;
case ISD::ConstantPool:
ConstantPoolIndices.erase(cast<ConstantPoolSDNode>(N)->getIndex());
break;
@ -433,7 +436,15 @@ SDOperand SelectionDAG::getTargetGlobalAddress(const GlobalValue *GV,
SDOperand SelectionDAG::getFrameIndex(int FI, MVT::ValueType VT) {
SDNode *&N = FrameIndices[FI];
if (N) return SDOperand(N, 0);
N = new FrameIndexSDNode(FI, VT);
N = new FrameIndexSDNode(FI, VT, false);
AllNodes.push_back(N);
return SDOperand(N, 0);
}
SDOperand SelectionDAG::getTargetFrameIndex(int FI, MVT::ValueType VT) {
SDNode *&N = TargetFrameIndices[FI];
if (N) return SDOperand(N, 0);
N = new FrameIndexSDNode(FI, VT, true);
AllNodes.push_back(N);
return SDOperand(N, 0);
}
@ -2071,6 +2082,7 @@ const char *SDNode::getOperationName(const SelectionDAG *G) const {
case ISD::GlobalAddress: return "GlobalAddress";
case ISD::TargetGlobalAddress: return "TargetGlobalAddress";
case ISD::FrameIndex: return "FrameIndex";
case ISD::TargetFrameIndex: return "TargetFrameIndex";
case ISD::BasicBlock: return "BasicBlock";
case ISD::Register: return "Register";
case ISD::ExternalSymbol: return "ExternalSymbol";