xref: /freebsd/contrib/llvm-project/llvm/lib/Target/BPF/BPFRegisterInfo.h (revision bdd1243df58e60e85101c09001d9812a789b6bc4)
10b57cec5SDimitry Andric //===-- BPFRegisterInfo.h - BPF Register Information Impl -------*- C++ -*-===//
20b57cec5SDimitry Andric //
30b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
40b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information.
50b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
60b57cec5SDimitry Andric //
70b57cec5SDimitry Andric //===----------------------------------------------------------------------===//
80b57cec5SDimitry Andric //
90b57cec5SDimitry Andric // This file contains the BPF implementation of the TargetRegisterInfo class.
100b57cec5SDimitry Andric //
110b57cec5SDimitry Andric //===----------------------------------------------------------------------===//
120b57cec5SDimitry Andric 
130b57cec5SDimitry Andric #ifndef LLVM_LIB_TARGET_BPF_BPFREGISTERINFO_H
140b57cec5SDimitry Andric #define LLVM_LIB_TARGET_BPF_BPFREGISTERINFO_H
150b57cec5SDimitry Andric 
160b57cec5SDimitry Andric #include "llvm/CodeGen/TargetRegisterInfo.h"
170b57cec5SDimitry Andric 
180b57cec5SDimitry Andric #define GET_REGINFO_HEADER
190b57cec5SDimitry Andric #include "BPFGenRegisterInfo.inc"
200b57cec5SDimitry Andric 
210b57cec5SDimitry Andric namespace llvm {
220b57cec5SDimitry Andric 
230b57cec5SDimitry Andric struct BPFRegisterInfo : public BPFGenRegisterInfo {
240b57cec5SDimitry Andric 
250b57cec5SDimitry Andric   BPFRegisterInfo();
260b57cec5SDimitry Andric 
270b57cec5SDimitry Andric   const MCPhysReg *getCalleeSavedRegs(const MachineFunction *MF) const override;
280b57cec5SDimitry Andric 
290b57cec5SDimitry Andric   BitVector getReservedRegs(const MachineFunction &MF) const override;
300b57cec5SDimitry Andric 
31*bdd1243dSDimitry Andric   bool eliminateFrameIndex(MachineBasicBlock::iterator MI, int SPAdj,
320b57cec5SDimitry Andric                            unsigned FIOperandNum,
330b57cec5SDimitry Andric                            RegScavenger *RS = nullptr) const override;
340b57cec5SDimitry Andric 
350b57cec5SDimitry Andric   Register getFrameRegister(const MachineFunction &MF) const override;
360b57cec5SDimitry Andric };
370b57cec5SDimitry Andric }
380b57cec5SDimitry Andric 
390b57cec5SDimitry Andric #endif
40