Remove ScheduleDAG's SUnitMap altogether. Instead, use SDNode's NodeId
field, which is otherwise unused after instruction selection, as an index
into the SUnit array.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52583 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
index 995d877..07f3221 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
@@ -301,9 +301,9 @@
static void addCustomGraphFeatures(ScheduleDAG *G,
GraphWriter<ScheduleDAG*> &GW) {
GW.emitSimpleNode(0, "plaintext=circle", "GraphRoot");
- if (G->DAG.getRoot().Val &&
- G->SUnitMap.find(G->DAG.getRoot().Val) != G->SUnitMap.end())
- GW.emitEdge(0, -1, G->SUnitMap[G->DAG.getRoot().Val], -1, "");
+ const SDNode *N = G->DAG.getRoot().Val;
+ if (N && N->getNodeId() != -1)
+ GW.emitEdge(0, -1, &G->SUnits[N->getNodeId()], -1, "");
}
};
}