llvm/llvm/lib/Target/LoongArch/LoongArchTargetTransformInfo.cpp

//===-- LoongArchTargetTransformInfo.cpp - LoongArch specific TTI ---------===//
//
// 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
/// This file implements a TargetTransformInfo analysis pass specific to the
/// LoongArch target machine. It uses the target's detailed information to
/// provide more precise answers to certain TTI queries, while letting the
/// target independent and default TTI implementations handle the rest.
///
//===----------------------------------------------------------------------===//

#include "LoongArchTargetTransformInfo.h"

usingnamespacellvm;

#define DEBUG_TYPE …

TypeSize LoongArchTTIImpl::getRegisterBitWidth(
    TargetTransformInfo::RegisterKind K) const { … }

unsigned LoongArchTTIImpl::getNumberOfRegisters(unsigned ClassID) const { … }

unsigned LoongArchTTIImpl::getRegisterClassForType(bool Vector,
                                                   Type *Ty) const { … }

unsigned LoongArchTTIImpl::getMaxInterleaveFactor(ElementCount VF) { … }

const char *LoongArchTTIImpl::getRegisterClassName(unsigned ClassID) const { … }

TargetTransformInfo::PopcntSupportKind
LoongArchTTIImpl::getPopcntSupport(unsigned TyWidth) { … }

// TODO: Implement more hooks to provide TTI machinery for LoongArch.