Remove redundant private field.

clang warned about this being unused in Release builds.

llvm-svn: 163899

llvm/lib/Target/Hexagon/HexagonMachineScheduler.cpp

@@ -123,7 +123,7 @@ void VLIWMachineScheduler::schedule() {
         << "********** MI Converging Scheduling VLIW BB#" << BB->getNumber()
         << " " << BB->getName()
         << " in_func " << BB->getParent()->getFunction()->getName()
-        << " at loop depth "  << MLI->getLoopDepth(BB)
+        << " at loop depth "  << MLI.getLoopDepth(BB)
         << " \n");
 
   buildDAGWithRegPressure();

llvm/lib/Target/Hexagon/HexagonMachineScheduler.h

@@ -107,10 +107,9 @@ public:
 /// Extend the standard ScheduleDAGMI to provide more context and override the
 /// top-level schedule() driver.
 class VLIWMachineScheduler : public ScheduleDAGMI {
-  const MachineLoopInfo *MLI;
 public:
   VLIWMachineScheduler(MachineSchedContext *C, MachineSchedStrategy *S):
-    ScheduleDAGMI(C, S), MLI(C->MLI) {}
+    ScheduleDAGMI(C, S) {}
 
   /// Schedule - This is called back from ScheduleDAGInstrs::Run() when it's
   /// time to do some work.