llvm/llvm/lib/Target/MSP430/MSP430InstrInfo.cpp

//===-- MSP430InstrInfo.cpp - MSP430 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 MSP430 implementation of the TargetInstrInfo class.
//
//===----------------------------------------------------------------------===//

#include "MSP430InstrInfo.h"
#include "MSP430.h"
#include "MSP430MachineFunctionInfo.h"
#include "MSP430TargetMachine.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/IR/Function.h"
#include "llvm/MC/TargetRegistry.h"
#include "llvm/Support/ErrorHandling.h"

usingnamespacellvm;

#define GET_INSTRINFO_CTOR_DTOR
#include "MSP430GenInstrInfo.inc"

// Pin the vtable to this file.
void MSP430InstrInfo::anchor() { … }

MSP430InstrInfo::MSP430InstrInfo(MSP430Subtarget &STI)
  : … { … }

void MSP430InstrInfo::storeRegToStackSlot(
    MachineBasicBlock &MBB, MachineBasicBlock::iterator MI, Register SrcReg,
    bool isKill, int FrameIdx, const TargetRegisterClass *RC,
    const TargetRegisterInfo *TRI, Register VReg) const { … }

void MSP430InstrInfo::loadRegFromStackSlot(MachineBasicBlock &MBB,
                                           MachineBasicBlock::iterator MI,
                                           Register DestReg, int FrameIdx,
                                           const TargetRegisterClass *RC,
                                           const TargetRegisterInfo *TRI,
                                           Register VReg) const { … }

void MSP430InstrInfo::copyPhysReg(MachineBasicBlock &MBB,
                                  MachineBasicBlock::iterator I,
                                  const DebugLoc &DL, MCRegister DestReg,
                                  MCRegister SrcReg, bool KillSrc,
                                  bool RenamableDest, bool RenamableSrc) const { … }

unsigned MSP430InstrInfo::removeBranch(MachineBasicBlock &MBB,
                                       int *BytesRemoved) const { … }

bool MSP430InstrInfo::
reverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const { … }

bool MSP430InstrInfo::analyzeBranch(MachineBasicBlock &MBB,
                                    MachineBasicBlock *&TBB,
                                    MachineBasicBlock *&FBB,
                                    SmallVectorImpl<MachineOperand> &Cond,
                                    bool AllowModify) const { … }

unsigned MSP430InstrInfo::insertBranch(MachineBasicBlock &MBB,
                                       MachineBasicBlock *TBB,
                                       MachineBasicBlock *FBB,
                                       ArrayRef<MachineOperand> Cond,
                                       const DebugLoc &DL,
                                       int *BytesAdded) const { … }

/// GetInstSize - Return the number of bytes of code the specified
/// instruction may be.  This returns the maximum number of bytes.
///
unsigned MSP430InstrInfo::getInstSizeInBytes(const MachineInstr &MI) const { … }