1 //===-- BPFRegisterInfo.h - BPF 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 BPF implementation of the TargetRegisterInfo class.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #ifndef LLVM_LIB_TARGET_BPF_BPFREGISTERINFO_H
14 #define LLVM_LIB_TARGET_BPF_BPFREGISTERINFO_H
15 
16 #include "llvm/CodeGen/TargetRegisterInfo.h"
17 
18 #define GET_REGINFO_HEADER
19 #include "BPFGenRegisterInfo.inc"
20 
21 namespace llvm {
22 
23 struct BPFRegisterInfo : public BPFGenRegisterInfo {
24 
25   BPFRegisterInfo();
26 
27   const MCPhysReg *getCalleeSavedRegs(const MachineFunction *MF) const override;
28 
29   BitVector getReservedRegs(const MachineFunction &MF) const override;
30 
31   void eliminateFrameIndex(MachineBasicBlock::iterator MI, int SPAdj,
32                            unsigned FIOperandNum,
33                            RegScavenger *RS = nullptr) const override;
34 
35   Register getFrameRegister(const MachineFunction &MF) const override;
36 };
37 }
38 
39 #endif
40