Remove the TargetMachine forwards for TargetSubtargetInfo based
information and update all callers. No functional change.

llvm-svn: 214781
diff --git a/llvm/lib/CodeGen/RegAllocGreedy.cpp b/llvm/lib/CodeGen/RegAllocGreedy.cpp
index dee990c..a3a8760 100644
--- a/llvm/lib/CodeGen/RegAllocGreedy.cpp
+++ b/llvm/lib/CodeGen/RegAllocGreedy.cpp
@@ -2320,8 +2320,8 @@
 
   MF = &mf;
   const TargetMachine &TM = MF->getTarget();
-  TRI = TM.getRegisterInfo();
-  TII = TM.getInstrInfo();
+  TRI = TM.getSubtargetImpl()->getRegisterInfo();
+  TII = TM.getSubtargetImpl()->getInstrInfo();
   RCI.runOnMachineFunction(mf);
 
   EnableLocalReassign = EnableLocalReassignment ||