llvm/llvm/lib/Target/Lanai/LanaiTargetMachine.cpp

//===-- LanaiTargetMachine.cpp - Define TargetMachine for Lanai ---------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// Implements the info about Lanai target spec.
//
//===----------------------------------------------------------------------===//

#include "LanaiTargetMachine.h"

#include "Lanai.h"
#include "LanaiMachineFunctionInfo.h"
#include "LanaiTargetObjectFile.h"
#include "LanaiTargetTransformInfo.h"
#include "TargetInfo/LanaiTargetInfo.h"
#include "llvm/Analysis/TargetTransformInfo.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
#include "llvm/CodeGen/TargetPassConfig.h"
#include "llvm/MC/TargetRegistry.h"
#include "llvm/Support/FormattedStream.h"
#include "llvm/Target/TargetOptions.h"
#include <optional>

usingnamespacellvm;

namespace llvm {
void initializeLanaiMemAluCombinerPass(PassRegistry &);
} // namespace llvm

extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeLanaiTarget() { … }

static std::string computeDataLayout() { … }

static Reloc::Model getEffectiveRelocModel(std::optional<Reloc::Model> RM) { … }

LanaiTargetMachine::LanaiTargetMachine(
    const Target &T, const Triple &TT, StringRef Cpu, StringRef FeatureString,
    const TargetOptions &Options, std::optional<Reloc::Model> RM,
    std::optional<CodeModel::Model> CodeModel, CodeGenOptLevel OptLevel,
    bool JIT)
    : … { … }

TargetTransformInfo
LanaiTargetMachine::getTargetTransformInfo(const Function &F) const { … }

MachineFunctionInfo *LanaiTargetMachine::createMachineFunctionInfo(
    BumpPtrAllocator &Allocator, const Function &F,
    const TargetSubtargetInfo *STI) const { … }

namespace {
// Lanai Code Generator Pass Configuration Options.
class LanaiPassConfig : public TargetPassConfig { … };
} // namespace

TargetPassConfig *
LanaiTargetMachine::createPassConfig(PassManagerBase &PassManager) { … }

void LanaiPassConfig::addIRPasses() { … }

// Install an instruction selector pass.
bool LanaiPassConfig::addInstSelector() { … }

// Implemented by targets that want to run passes immediately before
// machine code is emitted.
void LanaiPassConfig::addPreEmitPass() { … }

// Run passes after prolog-epilog insertion and before the second instruction
// scheduling pass.
void LanaiPassConfig::addPreSched2() { … }