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+//===-- Nios2RegisterInfo.h - Nios2 Register Information Impl ---*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains the Nios2 implementation of the TargetRegisterInfo class.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_NIOS2_NIOS2REGISTERINFO_H
+#define LLVM_LIB_TARGET_NIOS2_NIOS2REGISTERINFO_H
+
+#include "Nios2.h"
+#include "llvm/CodeGen/TargetRegisterInfo.h"
+
+#define GET_REGINFO_HEADER
+#include "Nios2GenRegisterInfo.inc"
+
+namespace llvm {
+class Nios2Subtarget;
+class TargetInstrInfo;
+class Type;
+
+class Nios2RegisterInfo : public Nios2GenRegisterInfo {
+protected:
+ const Nios2Subtarget &Subtarget;
+
+public:
+ Nios2RegisterInfo(const Nios2Subtarget &Subtarget);
+
+ const MCPhysReg *getCalleeSavedRegs(const MachineFunction *MF) const override;
+
+ BitVector getReservedRegs(const MachineFunction &MF) const override;
+
+ /// Stack Frame Processing Methods
+ void eliminateFrameIndex(MachineBasicBlock::iterator II, int SPAdj,
+ unsigned FIOperandNum,
+ RegScavenger *RS = nullptr) const override;
+
+ /// Debug information queries.
+ unsigned getFrameRegister(const MachineFunction &MF) const override;
+
+ /// Return GPR register class.
+ const TargetRegisterClass *intRegClass(unsigned Size) const;
+};
+
+} // end namespace llvm
+#endif