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

llvm-svn: 214781
diff --git a/llvm/lib/CodeGen/SjLjEHPrepare.cpp b/llvm/lib/CodeGen/SjLjEHPrepare.cpp
index b0950de..d14e29b 100644
--- a/llvm/lib/CodeGen/SjLjEHPrepare.cpp
+++ b/llvm/lib/CodeGen/SjLjEHPrepare.cpp
@@ -31,6 +31,7 @@
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Target/TargetLowering.h"
+#include "llvm/Target/TargetSubtargetInfo.h"
 #include "llvm/Transforms/Scalar.h"
 #include "llvm/Transforms/Utils/BasicBlockUtils.h"
 #include "llvm/Transforms/Utils/Local.h"
@@ -190,7 +191,7 @@
   // Create an alloca for the incoming jump buffer ptr and the new jump buffer
   // that needs to be restored on all exits from the function. This is an alloca
   // because the value needs to be added to the global context list.
-  const TargetLowering *TLI = TM->getTargetLowering();
+  const TargetLowering *TLI = TM->getSubtargetImpl()->getTargetLowering();
   unsigned Align =
       TLI->getDataLayout()->getPrefTypeAlignment(FunctionContextTy);
   FuncCtx = new AllocaInst(FunctionContextTy, nullptr, Align, "fn_context",