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

llvm-svn: 214781
diff --git a/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp b/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
index 1559560..44ea4da 100644
--- a/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -36,6 +36,7 @@
 #include "llvm/Target/TargetInstrInfo.h"
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/TargetRegisterInfo.h"
+#include "llvm/Target/TargetSubtargetInfo.h"
 #include <algorithm>
 #include <cmath>
 #include <limits>
@@ -111,8 +112,8 @@
   MF = &fn;
   MRI = &MF->getRegInfo();
   TM = &fn.getTarget();
-  TRI = TM->getRegisterInfo();
-  TII = TM->getInstrInfo();
+  TRI = TM->getSubtargetImpl()->getRegisterInfo();
+  TII = TM->getSubtargetImpl()->getInstrInfo();
   AA = &getAnalysis<AliasAnalysis>();
   Indexes = &getAnalysis<SlotIndexes>();
   DomTree = &getAnalysis<MachineDominatorTree>();