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/ScheduleDAGEmit.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAGEmit.cpp
index 7d5822f..2c40d97 100644
--- a/lib/CodeGen/SelectionDAG/ScheduleDAGEmit.cpp
+++ b/lib/CodeGen/SelectionDAG/ScheduleDAGEmit.cpp
@@ -684,8 +684,13 @@
EmitNoop();
continue;
}
- for (unsigned j = 0, ee = SU->FlaggedNodes.size(); j != ee; ++j)
- EmitNode(SU->FlaggedNodes[j], SU->OrigNode != SU, VRBaseMap);
+ SmallVector<SDNode *, 4> FlaggedNodes;
+ for (SDNode *N = SU->getNode()->getFlaggedNode(); N; N = N->getFlaggedNode())
+ FlaggedNodes.push_back(N);
+ while (!FlaggedNodes.empty()) {
+ EmitNode(FlaggedNodes.back(), SU->OrigNode != SU, VRBaseMap);
+ FlaggedNodes.pop_back();
+ }
if (!SU->getNode())
EmitCrossRCCopy(SU, CopyVRBaseMap);
else