add a new TargetConstant node
llvm-svn: 22813
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index dae19b9..ef7ffb2 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -218,6 +218,10 @@
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 @@
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 @@
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";