LanaiSubtarget.cpp

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//===- LanaiSubtarget.cpp - Lanai Subtarget Information -----------*- 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
//
//===----------------------------------------------------------------------===//
//
// This file implements the Lanai specific subclass of TargetSubtarget.
//
//===----------------------------------------------------------------------===//
 
#include "LanaiSubtarget.h"
#include "LanaiTargetMachine.h"
#include "llvm/Option/LibraryOptions.h"
 
#define DEBUG_TYPE "lanai-subtarget"
 
#define GET_SUBTARGETINFO_TARGET_DESC
#define GET_SUBTARGETINFO_CTOR
#include "LanaiGenSubtargetInfo.inc"
 
#define OPTIONS_STRUCT_DEFS
#include "LanaiOptions.inc"
 
using namespace llvm;
 
void LanaiSubtarget::initSubtargetFeatures(StringRef CPU, StringRef FS) {
  std::string CPUName = std::string(CPU);
  if (CPUName.empty())
    CPUName = "generic";
 
  ParseSubtargetFeatures(CPUName, /*TuneCPU*/ CPUName, FS);
}
 
LanaiSubtarget &LanaiSubtarget::initializeSubtargetDependencies(StringRef CPU,
                                                                StringRef FS) {
  initSubtargetFeatures(CPU, FS);
  return *this;
}
 
LanaiSubtarget::LanaiSubtarget(const Triple &TargetTriple, StringRef Cpu,
                               StringRef FeatureString,
                               const LanaiTargetMachine &TM,
                               const TargetOptions & /*Options*/,
                               CodeModel::Model /*CodeModel*/,
                               CodeGenOptLevel /*OptLevel*/)
    : LanaiGenSubtargetInfo(TargetTriple, Cpu, /*TuneCPU*/ Cpu, FeatureString),
      CLOpts(TM.getCLOpts()),
      InstrInfo(initializeSubtargetDependencies(Cpu, FeatureString)),
      FrameLowering(*this), TLInfo(TM, *this) {}