contrib/llvm/lib/Target/Lanai/LanaiSubtarget.cpp

   1 //===- LanaiSubtarget.cpp - Lanai Subtarget Information -----------*- C++ -*-=//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // This file implements the Lanai specific subclass of TargetSubtarget.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #include "LanaiSubtarget.h"
  15
  16 #include "Lanai.h"
  17
  18 #define DEBUG_TYPE "lanai-subtarget"
  19
  20 #define GET_SUBTARGETINFO_TARGET_DESC
  21 #define GET_SUBTARGETINFO_CTOR
  22 #include "LanaiGenSubtargetInfo.inc"
  23
  24 using namespace llvm;
  25
  26 void LanaiSubtarget::initSubtargetFeatures(StringRef CPU, StringRef FS) {
  27   std::string CPUName = CPU;
  28   if (CPUName.empty())
  29     CPUName = "generic";
  30
  31   ParseSubtargetFeatures(CPUName, FS);
  32 }
  33
  34 LanaiSubtarget &LanaiSubtarget::initializeSubtargetDependencies(StringRef CPU,
  35                                                                 StringRef FS) {
  36   initSubtargetFeatures(CPU, FS);
  37   return *this;
  38 }
  39
  40 LanaiSubtarget::LanaiSubtarget(const Triple &TargetTriple, StringRef Cpu,
  41                                StringRef FeatureString, const TargetMachine &TM,
  42                                const TargetOptions & /*Options*/,
  43                                CodeModel::Model /*CodeModel*/,
  44                                CodeGenOpt::Level /*OptLevel*/)
  45     : LanaiGenSubtargetInfo(TargetTriple, Cpu, FeatureString),
  46       FrameLowering(initializeSubtargetDependencies(Cpu, FeatureString)),
  47       InstrInfo(), TLInfo(TM, *this), TSInfo() {}