Remove the TargetMachine from DFAPacketizer since it was only

being used to grab subtarget specific things that we can grab
from the MachineFunction anyhow.

llvm-svn: 219650

llvm/lib/CodeGen/DFAPacketizer.cpp

@@ -126,8 +126,8 @@ void DefaultVLIWScheduler::schedule() {
 // VLIWPacketizerList Ctor
 VLIWPacketizerList::VLIWPacketizerList(MachineFunction &MF,
                                        MachineLoopInfo &MLI, bool IsPostRA)
-    : TM(MF.getTarget()), MF(MF) {
-  TII = TM.getSubtargetImpl()->getInstrInfo();
+    : MF(MF) {
+  TII = MF.getSubtarget().getInstrInfo();
   ResourceTracker = TII->CreateTargetScheduleState(MF.getSubtarget());
   VLIWScheduler = new DefaultVLIWScheduler(MF, MLI, IsPostRA);
 }