Imported Upstream version 6.0.0.172

Former-commit-id: f3cc9b82f3e5bd8f0fd3ebc098f789556b44e9cd

external/llvm/lib/Target/Nios2/Nios2InstrInfo.h

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+//===-- Nios2InstrInfo.h - Nios2 Instruction Information --------*- 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 TargetInstrInfo class.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_NIOS2_NIOS2INSTRINFO_H
+#define LLVM_LIB_TARGET_NIOS2_NIOS2INSTRINFO_H
+
+#include "Nios2RegisterInfo.h"
+#include "llvm/CodeGen/TargetInstrInfo.h"
+
+#define GET_INSTRINFO_HEADER
+#include "Nios2GenInstrInfo.inc"
+
+namespace llvm {
+
+class Nios2Subtarget;
+
+class Nios2InstrInfo : public Nios2GenInstrInfo {
+  const Nios2RegisterInfo RI;
+  const Nios2Subtarget &Subtarget;
+  virtual void anchor();
+
+public:
+  explicit Nios2InstrInfo(Nios2Subtarget &ST);
+
+  /// getRegisterInfo - TargetInstrInfo is a superset of MRegister info.  As
+  /// such, whenever a client has an instance of instruction info, it should
+  /// always be able to get register info as well (through this method).
+  ///
+  const Nios2RegisterInfo &getRegisterInfo() const { return RI; };
+
+  bool expandPostRAPseudo(MachineInstr &MI) const override;
+};
+} // namespace llvm
+
+#endif