make selectnodeto set the nodeid to -1. This makes it more akin to
creating a new node then replacing uses.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97000 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index e671350..f5e7000 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -4553,7 +4553,10 @@
SDNode *SelectionDAG::SelectNodeTo(SDNode *N, unsigned MachineOpc,
SDVTList VTs, const SDValue *Ops,
unsigned NumOps) {
- return MorphNodeTo(N, ~MachineOpc, VTs, Ops, NumOps);
+ N = MorphNodeTo(N, ~MachineOpc, VTs, Ops, NumOps);
+ // Reset the NodeID to -1.
+ N->setNodeId(-1);
+ return N;
}
SDNode *SelectionDAG::MorphNodeTo(SDNode *N, unsigned Opc,