lib/Target/TargetAsmInfo.cpp

   1 //===-- llvm/Target/TargetAsmInfo.cpp - Target Assembly Info --------------===//
   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 #include "llvm/Target/TargetAsmInfo.h"
  11 #include "llvm/Target/TargetData.h"
  12 #include "llvm/Target/TargetLowering.h"
  13 #include "llvm/Target/TargetLoweringObjectFile.h"
  14 #include "llvm/Target/TargetMachine.h"
  15 #include "llvm/Target/TargetRegisterInfo.h"
  16 using namespace llvm;
  17
  18 TargetAsmInfo::TargetAsmInfo(const TargetMachine &TM) {
  19   TLOF = &TM.getTargetLowering()->getObjFileLowering();
  20   const TargetData &TD = *TM.getTargetData();
  21   IsLittleEndian = TD.isLittleEndian();
  22   PointerSize = TD.getPointerSize();
  23
  24   TFI = TM.getFrameLowering();
  25   StackDir = TFI->getStackGrowthDirection();
  26   TRI = TM.getRegisterInfo();
  27   TFI->getInitialFrameState(InitialFrameState);
  28 }
  29
  30 int TargetAsmInfo::getCompactUnwindEncoding(ArrayRef<MCCFIInstruction> Instrs,
  31                                             int DataAlignmentFactor,
  32                                             bool IsEH) const {
  33   return TFI->getCompactUnwindEncoding(Instrs, DataAlignmentFactor, IsEH);
  34 }