lib/Target/Mips/MipsSEISelLowering.h

   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
  19 namespace 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