lib/Target/Mips/Mips16RegisterInfo.cpp

   1 //===-- Mips16RegisterInfo.cpp - MIPS16 Register Information -== ----------===//
   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 contains the MIPS16 implementation of the TargetRegisterInfo class.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #include "Mips16RegisterInfo.h"
  15 #include "Mips.h"
  16 #include "MipsAnalyzeImmediate.h"
  17 #include "MipsInstrInfo.h"
  18 #include "MipsSubtarget.h"
  19 #include "MipsMachineFunction.h"
  20 #include "llvm/Constants.h"
  21 #include "llvm/DebugInfo.h"
  22 #include "llvm/Type.h"
  23 #include "llvm/Function.h"
  24 #include "llvm/CodeGen/ValueTypes.h"
  25 #include "llvm/CodeGen/MachineInstrBuilder.h"
  26 #include "llvm/CodeGen/MachineFunction.h"
  27 #include "llvm/CodeGen/MachineFrameInfo.h"
  28 #include "llvm/Target/TargetFrameLowering.h"
  29 #include "llvm/Target/TargetMachine.h"
  30 #include "llvm/Target/TargetOptions.h"
  31 #include "llvm/Target/TargetInstrInfo.h"
  32 #include "llvm/Support/CommandLine.h"
  33 #include "llvm/Support/Debug.h"
  34 #include "llvm/Support/ErrorHandling.h"
  35 #include "llvm/Support/raw_ostream.h"
  36 #include "llvm/ADT/BitVector.h"
  37 #include "llvm/ADT/STLExtras.h"
  38
  39 using namespace llvm;
  40
  41 Mips16RegisterInfo::Mips16RegisterInfo(const MipsSubtarget &ST,
  42                                        const TargetInstrInfo &TII)
  43   : MipsRegisterInfo(ST, TII) {}
  44
  45 // This function eliminate ADJCALLSTACKDOWN,
  46 // ADJCALLSTACKUP pseudo instructions
  47 void Mips16RegisterInfo::
  48 eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
  49                               MachineBasicBlock::iterator I) const {
  50   // Simply discard ADJCALLSTACKDOWN, ADJCALLSTACKUP instructions.
  51   MBB.erase(I);
  52 }
  53
  54 void Mips16RegisterInfo::eliminateFI(MachineBasicBlock::iterator II,
  55                                      unsigned OpNo, int FrameIndex,
  56                                      uint64_t StackSize,
  57                                      int64_t SPOffset) const {
  58 }