Remove the FlaggedNodes member from SUnit. Instead of requiring each SUnit
to carry a SmallVector of flagged nodes, just calculate the flagged nodes
dynamically when they are needed.
The local-liveness change is due to a trivial scheduling change where
the scheduler arbitrary decision differently.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59273 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
index 1f45729..a356b6d 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
@@ -433,16 +433,19 @@
const ScheduleDAG *G) {
std::string Op;
- for (unsigned i = 0; i < SU->FlaggedNodes.size(); ++i) {
- Op += DOTGraphTraits<SelectionDAG*>::getNodeLabel(SU->FlaggedNodes[i],
- G->DAG) + "\n";
+ if (!SU->getNode())
+ Op = "<CROSS RC COPY>";
+ else {
+ SmallVector<SDNode *, 4> FlaggedNodes;
+ for (SDNode *N = SU->getNode(); N; N = N->getFlaggedNode())
+ FlaggedNodes.push_back(N);
+ while (!FlaggedNodes.empty()) {
+ Op += DOTGraphTraits<SelectionDAG*>::getNodeLabel(FlaggedNodes.back(),
+ G->DAG) + "\n";
+ FlaggedNodes.pop_back();
+ }
}
- if (SU->getNode())
- Op += DOTGraphTraits<SelectionDAG*>::getNodeLabel(SU->getNode(), G->DAG);
- else
- Op += "<CROSS RC COPY>";
-
return Op;
}