llvm/llvm/lib/Target/Hexagon/HexagonBitTracker.cpp

//===- HexagonBitTracker.cpp ----------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//

#include "HexagonBitTracker.h"
#include "Hexagon.h"
#include "HexagonInstrInfo.h"
#include "HexagonRegisterInfo.h"
#include "HexagonSubtarget.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineOperand.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/TargetRegisterInfo.h"
#include "llvm/IR/Argument.h"
#include "llvm/IR/Attributes.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/Type.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/raw_ostream.h"
#include <cassert>
#include <cstddef>
#include <cstdint>
#include <cstdlib>
#include <utility>
#include <vector>

usingnamespacellvm;

BT;

HexagonEvaluator::HexagonEvaluator(const HexagonRegisterInfo &tri,
                                   MachineRegisterInfo &mri,
                                   const HexagonInstrInfo &tii,
                                   MachineFunction &mf)
    : … { … }

BT::BitMask HexagonEvaluator::mask(Register Reg, unsigned Sub) const { … }

uint16_t HexagonEvaluator::getPhysRegBitWidth(MCRegister Reg) const { … }

const TargetRegisterClass &HexagonEvaluator::composeWithSubRegIndex(
      const TargetRegisterClass &RC, unsigned Idx) const { … }

namespace {

class RegisterRefs { … };

} // end anonymous namespace

bool HexagonEvaluator::evaluate(const MachineInstr &MI,
                                const CellMapType &Inputs,
                                CellMapType &Outputs) const { … }

bool HexagonEvaluator::evaluate(const MachineInstr &BI,
                                const CellMapType &Inputs,
                                BranchTargetList &Targets,
                                bool &FallsThru) const { … }

unsigned HexagonEvaluator::getUniqueDefVReg(const MachineInstr &MI) const { … }

bool HexagonEvaluator::evaluateLoad(const MachineInstr &MI,
                                    const CellMapType &Inputs,
                                    CellMapType &Outputs) const { … }

bool HexagonEvaluator::evaluateFormalCopy(const MachineInstr &MI,
                                          const CellMapType &Inputs,
                                          CellMapType &Outputs) const { … }

unsigned HexagonEvaluator::getNextPhysReg(unsigned PReg, unsigned Width) const { … }

unsigned HexagonEvaluator::getVirtRegFor(unsigned PReg) const { … }