llvm-project/llvm/lib/Target/TargetAsmInfo.cpp

//===-- llvm/Target/TargetAsmInfo.cpp - Target Assembly Info --------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#include "llvm/Target/TargetAsmInfo.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetLowering.h"
#include "llvm/Target/TargetLoweringObjectFile.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetRegisterInfo.h"
using namespace llvm;

TargetAsmInfo::TargetAsmInfo(const TargetMachine &TM) {
  TLOF = &TM.getTargetLowering()->getObjFileLowering();
  const TargetData &TD = *TM.getTargetData();
  IsLittleEndian = TD.isLittleEndian();
  PointerSize = TD.getPointerSize();

  TFI = TM.getFrameLowering();
  StackDir = TFI->getStackGrowthDirection();
  TRI = TM.getRegisterInfo();
  TFI->getInitialFrameState(InitialFrameState);
}

int TargetAsmInfo::getCompactUnwindEncoding(ArrayRef<MCCFIInstruction> Instrs,
                                            int DataAlignmentFactor,
                                            bool IsEH) const {
  return TFI->getCompactUnwindEncoding(Instrs, DataAlignmentFactor, IsEH);
}