another selectto
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25548 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 48d1d5c..3165fc1 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -1649,6 +1649,29 @@
return SDOperand(N, 0);
}
+SDOperand SelectionDAG::SelectNodeTo(SDNode *N, unsigned TargetOpc,
+ MVT::ValueType VT, SDOperand Op1,
+ SDOperand Op2, SDOperand Op3,SDOperand Op4,
+ SDOperand Op5, SDOperand Op6,
+ SDOperand Op7) {
+ // If an identical node already exists, use it.
+ std::vector<SDOperand> OpList;
+ OpList.push_back(Op1); OpList.push_back(Op2); OpList.push_back(Op3);
+ OpList.push_back(Op4); OpList.push_back(Op5); OpList.push_back(Op6);
+ OpList.push_back(Op7);
+ SDNode *&ON = OneResultNodes[std::make_pair(ISD::BUILTIN_OP_END+TargetOpc,
+ std::make_pair(VT, OpList))];
+ if (ON) return SDOperand(ON, 0);
+
+ RemoveNodeFromCSEMaps(N);
+ N->MorphNodeTo(ISD::BUILTIN_OP_END+TargetOpc);
+ N->setValueTypes(VT);
+ N->setOperands(Op1, Op2, Op3, Op4, Op5, Op6, Op7);
+
+ ON = N; // Memoize the new node.
+ return SDOperand(N, 0);
+}
+
SDOperand SelectionDAG::SelectNodeTo(SDNode *N, unsigned TargetOpc,
MVT::ValueType VT1, MVT::ValueType VT2,
SDOperand Op1, SDOperand Op2) {