llvm/llvm/lib/Target/Mips/Mips16ISelDAGToDAG.cpp

//===-- Mips16ISelDAGToDAG.cpp - A Dag to Dag Inst Selector for Mips16 ----===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// Subclass of MipsDAGToDAGISel specialized for mips16.
//
//===----------------------------------------------------------------------===//

#include "Mips16ISelDAGToDAG.h"
#include "MCTargetDesc/MipsBaseInfo.h"
#include "Mips.h"
#include "MipsMachineFunction.h"
#include "MipsRegisterInfo.h"
#include "llvm/CodeGen/MachineConstantPool.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/SelectionDAGNodes.h"
#include "llvm/IR/CFG.h"
#include "llvm/IR/GlobalValue.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/IR/Type.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetMachine.h"
usingnamespacellvm;

#define DEBUG_TYPE …

bool Mips16DAGToDAGISel::runOnMachineFunction(MachineFunction &MF) { … }
/// Select multiply instructions.
std::pair<SDNode *, SDNode *>
Mips16DAGToDAGISel::selectMULT(SDNode *N, unsigned Opc, const SDLoc &DL, EVT Ty,
                               bool HasLo, bool HasHi) { … }

void Mips16DAGToDAGISel::initGlobalBaseReg(MachineFunction &MF) { … }

void Mips16DAGToDAGISel::processFunctionAfterISel(MachineFunction &MF) { … }

bool Mips16DAGToDAGISel::selectAddr(bool SPAllowed, SDValue Addr, SDValue &Base,
                                    SDValue &Offset) { … }

bool Mips16DAGToDAGISel::selectAddr16(SDValue Addr, SDValue &Base,
                                      SDValue &Offset) { … }

bool Mips16DAGToDAGISel::selectAddr16SP(SDValue Addr, SDValue &Base,
                                        SDValue &Offset) { … }

/// Select instructions not customized! Used for
/// expanded, promoted and normal instructions
bool Mips16DAGToDAGISel::trySelect(SDNode *Node) { … }

Mips16DAGToDAGISelLegacy::Mips16DAGToDAGISelLegacy(MipsTargetMachine &TM,
                                                   CodeGenOptLevel OL)
    : … { … }

FunctionPass *llvm::createMips16ISelDag(MipsTargetMachine &TM,
                                        CodeGenOptLevel OptLevel) { … }