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llvm-mirror/lib/Target/BPF/BPFRegisterInfo.h
Matt Arsenault 0738f328d7 CodeGen: Introduce a class for registers
Avoids using a plain unsigned for registers throughoug codegen.
Doesn't attempt to change every register use, just something a little
more than the set needed to build after changing the return type of
MachineOperand::getReg().

llvm-svn: 364191
2019-06-24 15:50:29 +00:00

40 lines
1.2 KiB
C++

//===-- BPFRegisterInfo.h - BPF Register Information Impl -------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file contains the BPF implementation of the TargetRegisterInfo class.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_BPF_BPFREGISTERINFO_H
#define LLVM_LIB_TARGET_BPF_BPFREGISTERINFO_H
#include "llvm/CodeGen/TargetRegisterInfo.h"
#define GET_REGINFO_HEADER
#include "BPFGenRegisterInfo.inc"
namespace llvm {
struct BPFRegisterInfo : public BPFGenRegisterInfo {
BPFRegisterInfo();
const MCPhysReg *getCalleeSavedRegs(const MachineFunction *MF) const override;
BitVector getReservedRegs(const MachineFunction &MF) const override;
void eliminateFrameIndex(MachineBasicBlock::iterator MI, int SPAdj,
unsigned FIOperandNum,
RegScavenger *RS = nullptr) const override;
Register getFrameRegister(const MachineFunction &MF) const override;
};
}
#endif