| //===-- MipsSEISelDAGToDAG.h - A Dag to Dag Inst Selector for MipsSE -----===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // Subclass of MipsDAGToDAGISel specialized for mips32/64. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef MIPSSEISELDAGTODAG_H |
| #define MIPSSEISELDAGTODAG_H |
| |
| #include "MipsISelDAGToDAG.h" |
| |
| namespace llvm { |
| |
| class MipsSEDAGToDAGISel : public MipsDAGToDAGISel { |
| |
| public: |
| explicit MipsSEDAGToDAGISel(MipsTargetMachine &TM) : MipsDAGToDAGISel(TM) {} |
| |
| private: |
| bool replaceUsesWithZeroReg(MachineRegisterInfo *MRI, const MachineInstr&); |
| |
| std::pair<SDNode*, SDNode*> selectMULT(SDNode *N, unsigned Opc, DebugLoc dl, |
| EVT Ty, bool HasLo, bool HasHi); |
| |
| SDNode *selectAddESubE(unsigned MOp, SDValue InFlag, SDValue CmpLHS, |
| DebugLoc DL, SDNode *Node) const; |
| |
| virtual bool selectAddrRegImm(SDValue Addr, SDValue &Base, |
| SDValue &Offset) const; |
| |
| virtual bool selectAddrDefault(SDValue Addr, SDValue &Base, |
| SDValue &Offset) const; |
| |
| virtual bool selectIntAddr(SDValue Addr, SDValue &Base, |
| SDValue &Offset) const; |
| |
| virtual std::pair<bool, SDNode*> selectNode(SDNode *Node); |
| |
| virtual void processFunctionAfterISel(MachineFunction &MF); |
| |
| // Insert instructions to initialize the global base register in the |
| // first MBB of the function. |
| void initGlobalBaseReg(MachineFunction &MF); |
| }; |
| |
| FunctionPass *createMipsSEISelDag(MipsTargetMachine &TM); |
| |
| } |
| |
| #endif |