Remove unused argument to CreateTargetScheduleState and change
the TargetMachine to a TargetSubtargetInfo since everything
we wanted is off of that.

llvm-svn: 219382
diff --git a/llvm/lib/CodeGen/SelectionDAG/ResourcePriorityQueue.cpp b/llvm/lib/CodeGen/SelectionDAG/ResourcePriorityQueue.cpp
index 5038d52..db38b76 100644
--- a/llvm/lib/CodeGen/SelectionDAG/ResourcePriorityQueue.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/ResourcePriorityQueue.cpp
@@ -47,7 +47,7 @@
   TRI = STI.getRegisterInfo();
   TLI = IS->TLI;
   TII = STI.getInstrInfo();
-  ResourcesModel = TII->CreateTargetScheduleState(&IS->MF->getTarget(), nullptr);
+  ResourcesModel = TII->CreateTargetScheduleState(STI);
   // This hard requirement could be relaxed, but for now
   // do not let it procede.
   assert(ResourcesModel && "Unimplemented CreateTargetScheduleState.");