Mips16RegisterInfo.cpp revision 71746220d3d1c3e8efba35038ac2ff14b4a4d3ae 
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
39using namespace llvm;
40
41Mips16RegisterInfo::Mips16RegisterInfo(const MipsSubtarget &ST,
42                                       const TargetInstrInfo &TII)
43  : MipsRegisterInfo(ST, TII) {}
44
45// This function eliminate ADJCALLSTACKDOWN,
46// ADJCALLSTACKUP pseudo instructions
47void Mips16RegisterInfo::
48eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
49                              MachineBasicBlock::iterator I) const {
50  // Simply discard ADJCALLSTACKDOWN, ADJCALLSTACKUP instructions.
51  MBB.erase(I);
52}
53
54void Mips16RegisterInfo::eliminateFI(MachineBasicBlock::iterator II,
55                                     unsigned OpNo, int FrameIndex,
56                                     uint64_t StackSize,
57                                     int64_t SPOffset) const {
58}
59