Remove the TargetMachine forwards for TargetSubtargetInfo based

information and update all callers. No functional change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214781 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/LiveStackAnalysis.cpp

@@ -20,6 +20,7 @@
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Target/TargetRegisterInfo.h"
+#include "llvm/Target/TargetSubtargetInfo.h"
 #include <limits>
 using namespace llvm;
 
@@ -49,7 +50,7 @@ void LiveStacks::releaseMemory() {
 }
 
 bool LiveStacks::runOnMachineFunction(MachineFunction &MF) {
-  TRI = MF.getTarget().getRegisterInfo();
+  TRI = MF.getTarget().getSubtargetImpl()->getRegisterInfo();
   // FIXME: No analysis is being done right now. We are relying on the
   // register allocators to provide the information.
   return false;