llvm/lib/Target/Lanai/LanaiSubtarget.cpp

   1 //===- LanaiSubtarget.cpp - Lanai Subtarget Information -----------*- C++ -*-=//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // This file implements the Lanai specific subclass of TargetSubtarget.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #include "LanaiSubtarget.h"
  14
  15 #include "Lanai.h"
  16
  17 #define DEBUG_TYPE "lanai-subtarget"
  18
  19 #define GET_SUBTARGETINFO_TARGET_DESC
  20 #define GET_SUBTARGETINFO_CTOR
  21 #include "LanaiGenSubtargetInfo.inc"
  22
  23 using namespace llvm;
  24
  25 void LanaiSubtarget::initSubtargetFeatures(StringRef CPU, StringRef FS) {
  26   std::string CPUName = std::string(CPU);
  27   if (CPUName.empty())
  28     CPUName = "generic";
  29
  30   ParseSubtargetFeatures(CPUName, /*TuneCPU*/ CPUName, FS);
  31 }
  32
  33 LanaiSubtarget &LanaiSubtarget::initializeSubtargetDependencies(StringRef CPU,
  34                                                                 StringRef FS) {
  35   initSubtargetFeatures(CPU, FS);
  36   return *this;
  37 }
  38
  39 LanaiSubtarget::LanaiSubtarget(const Triple &TargetTriple, StringRef Cpu,
  40                                StringRef FeatureString, const TargetMachine &TM,
  41                                const TargetOptions & /*Options*/,
  42                                CodeModel::Model /*CodeModel*/,
  43                                CodeGenOptLevel /*OptLevel*/)
  44     : LanaiGenSubtargetInfo(TargetTriple, Cpu, /*TuneCPU*/ Cpu, FeatureString),
  45       FrameLowering(initializeSubtargetDependencies(Cpu, FeatureString)),
  46       TLInfo(TM, *this) {}