fix PHI node emission for basic blocks that have select_cc's in them on ppc32


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23113 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp
index dc3996b..723daed 100644
--- a/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp
@@ -52,8 +52,9 @@
       assert(&MRI && "Target doesn't provide register info?");
     }
     
-    void Run() {
+    MachineBasicBlock *Run() {
       Emit(DAG.getRoot());
+      return BB;
     }
     
   private:
@@ -229,5 +230,5 @@
 /// graph.
 void SelectionDAGISel::ScheduleAndEmitDAG(SelectionDAG &SD) {
   if (ViewDAGs) SD.viewGraph();
-  SimpleSched(SD, BB).Run();  
+  BB = SimpleSched(SD, BB).Run();  
 }