misched interface: rename Begin/End to RegionBegin/RegionEnd since they are not private.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152382 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/MachineScheduler.cpp b/lib/CodeGen/MachineScheduler.cpp
index dc0c098..4f27274 100644
--- a/lib/CodeGen/MachineScheduler.cpp
+++ b/lib/CodeGen/MachineScheduler.cpp
@@ -275,7 +275,7 @@
       releaseNode(&(*I));
   }
 
-  MachineBasicBlock::iterator InsertPos = Begin;
+  MachineBasicBlock::iterator InsertPos = RegionBegin;
   while (SUnit *SU = pickNode()) {
     DEBUG(dbgs() << "*** Scheduling Instruction:\n"; SU->dump(this));
 
@@ -286,8 +286,8 @@
     else {
       BB->splice(InsertPos, BB, MI);
       LIS->handleMove(MI);
-      if (Begin == InsertPos)
-        Begin = MI;
+      if (RegionBegin == InsertPos)
+        RegionBegin = MI;
     }
 
     // Release dependent instructions for scheduling.