| //===-- Mips16ISelLowering.h - Mips16 DAG Lowering Interface ----*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // Subclass of MipsTargetLowering specialized for mips16. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef Mips16ISELLOWERING_H |
| #define Mips16ISELLOWERING_H |
| |
| #include "MipsISelLowering.h" |
| |
| namespace llvm { |
| class Mips16TargetLowering : public MipsTargetLowering { |
| public: |
| explicit Mips16TargetLowering(MipsTargetMachine &TM); |
| |
| virtual bool allowsUnalignedMemoryAccesses(EVT VT, bool *Fast) const; |
| |
| virtual MachineBasicBlock * |
| EmitInstrWithCustomInserter(MachineInstr *MI, MachineBasicBlock *MBB) const; |
| |
| private: |
| virtual bool |
| isEligibleForTailCallOptimization(const MipsCC &MipsCCInfo, |
| unsigned NextStackOffset, |
| const MipsFunctionInfo& FI) const; |
| |
| void setMips16LibcallName(RTLIB::Libcall, const char *Name); |
| |
| void setMips16HardFloatLibCalls(); |
| |
| unsigned int |
| getMips16HelperFunctionStubNumber(ArgListTy &Args) const; |
| |
| const char *getMips16HelperFunction |
| (Type* RetTy, ArgListTy &Args, bool &needHelper) const; |
| |
| virtual void |
| getOpndList(SmallVectorImpl<SDValue> &Ops, |
| std::deque< std::pair<unsigned, SDValue> > &RegsToPass, |
| bool IsPICCall, bool GlobalOrExternal, bool InternalLinkage, |
| CallLoweringInfo &CLI, SDValue Callee, SDValue Chain) const; |
| |
| MachineBasicBlock *emitSel16(unsigned Opc, MachineInstr *MI, |
| MachineBasicBlock *BB) const; |
| |
| MachineBasicBlock *emitSeliT16(unsigned Opc1, unsigned Opc2, |
| MachineInstr *MI, |
| MachineBasicBlock *BB) const; |
| |
| MachineBasicBlock *emitSelT16(unsigned Opc1, unsigned Opc2, |
| MachineInstr *MI, |
| MachineBasicBlock *BB) const; |
| |
| MachineBasicBlock *emitFEXT_T8I816_ins(unsigned BtOpc, unsigned CmpOpc, |
| MachineInstr *MI, |
| MachineBasicBlock *BB) const; |
| |
| MachineBasicBlock *emitFEXT_T8I8I16_ins( |
| unsigned BtOpc, unsigned CmpiOpc, unsigned CmpiXOpc, |
| MachineInstr *MI, MachineBasicBlock *BB) const; |
| |
| MachineBasicBlock *emitFEXT_CCRX16_ins( |
| unsigned SltOpc, |
| MachineInstr *MI, MachineBasicBlock *BB) const; |
| |
| MachineBasicBlock *emitFEXT_CCRXI16_ins( |
| unsigned SltiOpc, unsigned SltiXOpc, |
| MachineInstr *MI, MachineBasicBlock *BB )const; |
| }; |
| } |
| |
| #endif // Mips16ISELLOWERING_H |
