llvm/llvm/lib/Target/ARM/Thumb1InstrInfo.cpp

//===-- Thumb1InstrInfo.cpp - Thumb-1 Instruction Information -------------===//
//
// 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 Thumb-1 implementation of the TargetInstrInfo class.
//
//===----------------------------------------------------------------------===//

#include "Thumb1InstrInfo.h"
#include "ARMSubtarget.h"
#include "llvm/ADT/BitVector.h"
#include "llvm/CodeGen/LiveRegUnits.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineMemOperand.h"
#include "llvm/IR/Module.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCInstBuilder.h"

usingnamespacellvm;

Thumb1InstrInfo::Thumb1InstrInfo(const ARMSubtarget &STI)
    : … { … }

/// Return the noop instruction to use for a noop.
MCInst Thumb1InstrInfo::getNop() const { … }

unsigned Thumb1InstrInfo::getUnindexedOpcode(unsigned Opc) const { … }

void Thumb1InstrInfo::copyPhysReg(MachineBasicBlock &MBB,
                                  MachineBasicBlock::iterator I,
                                  const DebugLoc &DL, MCRegister DestReg,
                                  MCRegister SrcReg, bool KillSrc,
                                  bool RenamableDest, bool RenamableSrc) const { … }

void Thumb1InstrInfo::storeRegToStackSlot(MachineBasicBlock &MBB,
                                          MachineBasicBlock::iterator I,
                                          Register SrcReg, bool isKill, int FI,
                                          const TargetRegisterClass *RC,
                                          const TargetRegisterInfo *TRI,
                                          Register VReg) const { … }

void Thumb1InstrInfo::loadRegFromStackSlot(MachineBasicBlock &MBB,
                                           MachineBasicBlock::iterator I,
                                           Register DestReg, int FI,
                                           const TargetRegisterClass *RC,
                                           const TargetRegisterInfo *TRI,
                                           Register VReg) const { … }

void Thumb1InstrInfo::expandLoadStackGuard(
    MachineBasicBlock::iterator MI) const { … }

bool Thumb1InstrInfo::canCopyGluedNodeDuringSchedule(SDNode *N) const { … }