Access subtarget specific variables off of the MachineFunction's
cached subtarget and not the TargetMachine.

llvm-svn: 219668
diff --git a/llvm/lib/CodeGen/MachineVerifier.cpp b/llvm/lib/CodeGen/MachineVerifier.cpp
index a1d8332..a2c6a98 100644
--- a/llvm/lib/CodeGen/MachineVerifier.cpp
+++ b/llvm/lib/CodeGen/MachineVerifier.cpp
@@ -294,8 +294,8 @@
 
   this->MF = &MF;
   TM = &MF.getTarget();
-  TII = TM->getSubtargetImpl()->getInstrInfo();
-  TRI = TM->getSubtargetImpl()->getRegisterInfo();
+  TII = MF.getSubtarget().getInstrInfo();
+  TRI = MF.getSubtarget().getRegisterInfo();
   MRI = &MF.getRegInfo();
 
   LiveVars = nullptr;