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add a new TargetConstant node 

llvm-svn: 22813
This commit is contained in:
Chris Lattner 2005-08-17 00:34:06 +00:00
parent 12214cf577
commit 0d2456e1f0
1 changed files with 19 additions and 1 deletions
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20
llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
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@ -218,6 +218,10 @@ void SelectionDAG::RemoveNodeFromCSEMaps(SDNode *N) {
Constants.erase(std::make_pair(cast<ConstantSDNode>(N)->getValue(),
N->getValueType(0)));
break;
case ISD::TargetConstant:
TargetConstants.erase(std::make_pair(cast<ConstantSDNode>(N)->getValue(),
N->getValueType(0)));
break;
case ISD::ConstantFP: {
union {
double DV;
@ -309,7 +313,20 @@ SDOperand SelectionDAG::getConstant(uint64_t Val, MVT::ValueType VT) {
SDNode *&N = Constants[std::make_pair(Val, VT)];
if (N) return SDOperand(N, 0);
N = new ConstantSDNode(Val, VT);
N = new ConstantSDNode(false, Val, VT);
AllNodes.push_back(N);
return SDOperand(N, 0);
}
SDOperand SelectionDAG::getTargetConstant(uint64_t Val, MVT::ValueType VT) {
assert(MVT::isInteger(VT) && "Cannot create FP integer constant!");
// Mask out any bits that are not valid for this constant.
if (VT != MVT::i64)
Val &= ((uint64_t)1 << MVT::getSizeInBits(VT)) - 1;
SDNode *&N = TargetConstants[std::make_pair(Val, VT)];
if (N) return SDOperand(N, 0);
N = new ConstantSDNode(true, Val, VT);
AllNodes.push_back(N);
return SDOperand(N, 0);
}
@ -1792,6 +1809,7 @@ const char *SDNode::getOperationName(const SelectionDAG *G) const {
case ISD::EntryToken: return "EntryToken";
case ISD::TokenFactor: return "TokenFactor";
case ISD::Constant: return "Constant";
case ISD::TargetConstant: return "TargetConstant";
case ISD::ConstantFP: return "ConstantFP";
case ISD::GlobalAddress: return "GlobalAddress";
case ISD::FrameIndex: return "FrameIndex";