llvm/lib/Target/XCore/XCoreRegisterInfo.h

   1 //===-- XCoreRegisterInfo.h - XCore Register Information Impl ---*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // This file contains the XCore implementation of the MRegisterInfo class.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #ifndef LLVM_LIB_TARGET_XCORE_XCOREREGISTERINFO_H
  14 #define LLVM_LIB_TARGET_XCORE_XCOREREGISTERINFO_H
  15
  16 #include "llvm/CodeGen/TargetRegisterInfo.h"
  17
  18 #define GET_REGINFO_HEADER
  19 #include "XCoreGenRegisterInfo.inc"
  20
  21 namespace llvm {
  22
  23 struct XCoreRegisterInfo : public XCoreGenRegisterInfo {
  24 public:
  25   XCoreRegisterInfo();
  26
  27   /// Code Generation virtual methods...
  28
  29   const MCPhysReg *getCalleeSavedRegs(const MachineFunction *MF) const override;
  30
  31   BitVector getReservedRegs(const MachineFunction &MF) const override;
  32
  33   bool requiresRegisterScavenging(const MachineFunction &MF) const override;
  34
  35   bool useFPForScavengingIndex(const MachineFunction &MF) const override;
  36
  37   bool eliminateFrameIndex(MachineBasicBlock::iterator II,
  38                            int SPAdj, unsigned FIOperandNum,
  39                            RegScavenger *RS = nullptr) const override;
  40
  41   // Debug information queries.
  42   Register getFrameRegister(const MachineFunction &MF) const override;
  43
  44   //! Return whether to emit frame moves
  45   static bool needsFrameMoves(const MachineFunction &MF);
  46 };
  47
  48 } // end namespace llvm
  49
  50 #endif