llvm/llvm/lib/Target/AArch64/GISel/AArch64GlobalISelUtils.cpp

//===- AArch64GlobalISelUtils.cpp --------------------------------*- C++ -*-==//
//
// 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
//
//===----------------------------------------------------------------------===//
/// \file Implementations of AArch64-specific helper functions used in the
/// GlobalISel pipeline.
//===----------------------------------------------------------------------===//
#include "AArch64GlobalISelUtils.h"
#include "AArch64InstrInfo.h"
#include "llvm/CodeGen/GlobalISel/Utils.h"
#include "llvm/CodeGen/TargetLowering.h"
#include "llvm/IR/InstrTypes.h"
#include "llvm/Support/raw_ostream.h"

usingnamespacellvm;

std::optional<RegOrConstant>
AArch64GISelUtils::getAArch64VectorSplat(const MachineInstr &MI,
                                         const MachineRegisterInfo &MRI) { … }

std::optional<int64_t>
AArch64GISelUtils::getAArch64VectorSplatScalar(const MachineInstr &MI,
                                               const MachineRegisterInfo &MRI) { … }

bool AArch64GISelUtils::isCMN(const MachineInstr *MaybeSub,
                              const CmpInst::Predicate &Pred,
                              const MachineRegisterInfo &MRI) { … }

bool AArch64GISelUtils::tryEmitBZero(MachineInstr &MI,
                                     MachineIRBuilder &MIRBuilder,
                                     bool MinSize) { … }

std::tuple<uint16_t, Register>
AArch64GISelUtils::extractPtrauthBlendDiscriminators(Register Disc,
                                                     MachineRegisterInfo &MRI) { … }

void AArch64GISelUtils::changeFCMPPredToAArch64CC(
    const CmpInst::Predicate P, AArch64CC::CondCode &CondCode,
    AArch64CC::CondCode &CondCode2) { … }

void AArch64GISelUtils::changeVectorFCMPPredToAArch64CC(
    const CmpInst::Predicate P, AArch64CC::CondCode &CondCode,
    AArch64CC::CondCode &CondCode2, bool &Invert) { … }