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diff --git a/lib/Target/MSP430/MSP430ISelLowering.h b/lib/Target/MSP430/MSP430ISelLowering.h
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+++ b/lib/Target/MSP430/MSP430ISelLowering.h
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+//==-- MSP430ISelLowering.h - MSP430 DAG Lowering Interface ------*- C++ -*-==//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines the interfaces that MSP430 uses to lower LLVM code into a
+// selection DAG.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TARGET_MSP430_ISELLOWERING_H
+#define LLVM_TARGET_MSP430_ISELLOWERING_H
+
+#include "MSP430.h"
+#include "llvm/CodeGen/SelectionDAG.h"
+#include "llvm/Target/TargetLowering.h"
+
+namespace llvm {
+
+  class MSP430Subtarget;
+  class MSP430TargetMachine;
+
+  class MSP430TargetLowering : public TargetLowering {
+  public:
+    explicit MSP430TargetLowering(MSP430TargetMachine &TM);
+
+    /// LowerOperation - Provide custom lowering hooks for some operations.
+    virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG);
+
+  private:
+    const MSP430Subtarget &Subtarget;
+    const MSP430TargetMachine &TM;
+  };
+} // namespace llvm
+
+#endif // LLVM_TARGET_MSP430_ISELLOWERING_H