Partially revert "Complete the MachineScheduler fix made way back in r210390."

diff --git a/lib/CodeGen/MachineScheduler.cpp b/lib/CodeGen/MachineScheduler.cpp
index a52d05f..7a3c80b 100644
--- a/lib/CodeGen/MachineScheduler.cpp
+++ b/lib/CodeGen/MachineScheduler.cpp
@@ -1036,6 +1036,8 @@ void ScheduleDAGMILive::schedule() {
 
     scheduleMI(SU, IsTopNode);
 
+    updateQueues(SU, IsTopNode);
+
     if (DFSResult) {
       unsigned SubtreeID = DFSResult->getSubtreeID(SU);
       if (!ScheduledTrees.test(SubtreeID)) {
@@ -1047,8 +1049,6 @@ void ScheduleDAGMILive::schedule() {
 
     // Notify the scheduling strategy after updating the DAG.
     SchedImpl->schedNode(SU, IsTopNode);
-
-    updateQueues(SU, IsTopNode);
   }
   assert(CurrentTop == CurrentBottom && "Nonempty unscheduled zone.");