1 files changed, 16 insertions, 1 deletions
diff --git a/lib/Target/BPF/BPFSubtarget.h b/lib/Target/BPF/BPFSubtarget.h
index 27cc9a262fc3..fa1f24443bc3 100644
--- a/lib/Target/BPF/BPFSubtarget.h
+++ b/lib/Target/BPF/BPFSubtarget.h
@@ -18,9 +18,9 @@
 #include "BPFISelLowering.h"
 #include "BPFInstrInfo.h"
 #include "llvm/CodeGen/SelectionDAGTargetInfo.h"
+#include "llvm/CodeGen/TargetSubtargetInfo.h"
 #include "llvm/IR/DataLayout.h"
 #include "llvm/Target/TargetMachine.h"
-#include "llvm/Target/TargetSubtargetInfo.h"
 
 #define GET_SUBTARGETINFO_HEADER
 #include "BPFGenSubtargetInfo.inc"
@@ -35,15 +35,30 @@ class BPFSubtarget : public BPFGenSubtargetInfo {
   BPFTargetLowering TLInfo;
   SelectionDAGTargetInfo TSInfo;
 
+private:
+  void initializeEnvironment();
+  void initSubtargetFeatures(StringRef CPU, StringRef FS);
+  bool probeJmpExt();
+
+protected:
+  // unused
+  bool isDummyMode;
+
+  // whether the cpu supports jmp ext
+  bool HasJmpExt;
+
 public:
   // This constructor initializes the data members to match that
   // of the specified triple.
   BPFSubtarget(const Triple &TT, const std::string &CPU, const std::string &FS,
                const TargetMachine &TM);
 
+  BPFSubtarget &initializeSubtargetDependencies(StringRef CPU, StringRef FS);
+
   // ParseSubtargetFeatures - Parses features string setting specified
   // subtarget options.  Definition of function is auto generated by tblgen.
   void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
+  bool getHasJmpExt() const { return HasJmpExt; }
 
   const BPFInstrInfo *getInstrInfo() const override { return &InstrInfo; }
   const BPFFrameLowering *getFrameLowering() const override {