Access the subtarget off of the MachineFunction rather than
through the TargetMachine.

llvm-svn: 219661
diff --git a/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp b/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
index 44ea4da..e41fcdb 100644
--- a/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -34,7 +34,6 @@
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Target/TargetInstrInfo.h"
-#include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/TargetRegisterInfo.h"
 #include "llvm/Target/TargetSubtargetInfo.h"
 #include <algorithm>
@@ -111,9 +110,8 @@
 bool LiveIntervals::runOnMachineFunction(MachineFunction &fn) {
   MF = &fn;
   MRI = &MF->getRegInfo();
-  TM = &fn.getTarget();
-  TRI = TM->getSubtargetImpl()->getRegisterInfo();
-  TII = TM->getSubtargetImpl()->getInstrInfo();
+  TRI = MF->getSubtarget().getRegisterInfo();
+  TII = MF->getSubtarget().getInstrInfo();
   AA = &getAnalysis<AliasAnalysis>();
   Indexes = &getAnalysis<SlotIndexes>();
   DomTree = &getAnalysis<MachineDominatorTree>();