1//===-- MipsSEISelLowering.h - MipsSE DAG Lowering Interface ----*- 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// Subclass of MipsTargetLowering specialized for mips32/64.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef MipsSEISELLOWERING_H
15#define MipsSEISELLOWERING_H
16
17#include "MipsISelLowering.h"
18
19namespace llvm {
20  class MipsSETargetLowering : public MipsTargetLowering  {
21  public:
22    explicit MipsSETargetLowering(MipsTargetMachine &TM);
23
24    virtual bool allowsUnalignedMemoryAccesses(EVT VT, bool *Fast) const;
25
26    virtual MachineBasicBlock *
27    EmitInstrWithCustomInserter(MachineInstr *MI, MachineBasicBlock *MBB) const;
28
29  private:
30    virtual bool
31    isEligibleForTailCallOptimization(const MipsCC &MipsCCInfo,
32                                      unsigned NextStackOffset,
33                                      const MipsFunctionInfo& FI) const;
34
35    virtual void
36    getOpndList(SmallVectorImpl<SDValue> &Ops,
37                std::deque< std::pair<unsigned, SDValue> > &RegsToPass,
38                bool IsPICCall, bool GlobalOrExternal, bool InternalLinkage,
39                CallLoweringInfo &CLI, SDValue Callee, SDValue Chain) const;
40
41    MachineBasicBlock *emitBPOSGE32(MachineInstr *MI,
42                                    MachineBasicBlock *BB) const;
43  };
44}
45
46#endif // MipsSEISELLOWERING_H
47