32 lines · cpp
1//===-- SPIRVRegisterInfo.cpp - SPIR-V Register Information -----*- 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-exception6//7//===----------------------------------------------------------------------===//8//9// This file contains the SPIR-V implementation of the TargetRegisterInfo class.10//11//===----------------------------------------------------------------------===//12 13#include "SPIRVRegisterInfo.h"14#include "SPIRVSubtarget.h"15#include "llvm/CodeGen/MachineFunction.h"16 17#define GET_REGINFO_TARGET_DESC18#include "SPIRVGenRegisterInfo.inc"19using namespace llvm;20 21SPIRVRegisterInfo::SPIRVRegisterInfo() : SPIRVGenRegisterInfo(SPIRV::ID0) {}22 23BitVector SPIRVRegisterInfo::getReservedRegs(const MachineFunction &MF) const {24 return BitVector(getNumRegs());25}26 27const MCPhysReg *28SPIRVRegisterInfo::getCalleeSavedRegs(const MachineFunction *MF) const {29 static const MCPhysReg CalleeSavedReg = {0};30 return &CalleeSavedReg;31}32