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 class TargetInstrInfo;
  24
  25 struct XCoreRegisterInfo : public XCoreGenRegisterInfo {
  26 public:
  27   XCoreRegisterInfo();
  28
  29   /// Code Generation virtual methods...
  30
  31   const MCPhysReg *getCalleeSavedRegs(const MachineFunction *MF) const override;
  32
  33   BitVector getReservedRegs(const MachineFunction &MF) const override;
  34
  35   bool requiresRegisterScavenging(const MachineFunction &MF) const override;
  36
  37   bool trackLivenessAfterRegAlloc(const MachineFunction &MF) const override;
  38
  39   bool useFPForScavengingIndex(const MachineFunction &MF) const override;
  40
  41   void eliminateFrameIndex(MachineBasicBlock::iterator II,
  42                            int SPAdj, unsigned FIOperandNum,
  43                            RegScavenger *RS = nullptr) const override;
  44
  45   // Debug information queries.
  46   Register getFrameRegister(const MachineFunction &MF) const override;
  47
  48   //! Return whether to emit frame moves
  49   static bool needsFrameMoves(const MachineFunction &MF);
  50 };
  51
  52 } // end namespace llvm
  53
  54 #endif