MipsSEISelDAGToDAG.h revision 303975
1254721Semaste//===-- MipsSEISelDAGToDAG.h - A Dag to Dag Inst Selector for MipsSE -----===// 2254721Semaste// 3254721Semaste// The LLVM Compiler Infrastructure 4254721Semaste// 5254721Semaste// This file is distributed under the University of Illinois Open Source 6254721Semaste// License. See LICENSE.TXT for details. 7254721Semaste// 8254721Semaste//===----------------------------------------------------------------------===// 9254721Semaste// 10254721Semaste// Subclass of MipsDAGToDAGISel specialized for mips32/64. 11254721Semaste// 12254721Semaste//===----------------------------------------------------------------------===// 13254721Semaste 14254721Semaste#ifndef LLVM_LIB_TARGET_MIPS_MIPSSEISELDAGTODAG_H 15254721Semaste#define LLVM_LIB_TARGET_MIPS_MIPSSEISELDAGTODAG_H 16254721Semaste 17254721Semaste#include "MipsISelDAGToDAG.h" 18254721Semaste 19254721Semastenamespace llvm { 20254721Semaste 21254721Semasteclass MipsSEDAGToDAGISel : public MipsDAGToDAGISel { 22254721Semaste 23254721Semastepublic: 24254721Semaste explicit MipsSEDAGToDAGISel(MipsTargetMachine &TM) : MipsDAGToDAGISel(TM) {} 25254721Semaste 26254721Semasteprivate: 27254721Semaste 28254721Semaste bool runOnMachineFunction(MachineFunction &MF) override; 29254721Semaste 30254721Semaste void addDSPCtrlRegOperands(bool IsDef, MachineInstr &MI, 31254721Semaste MachineFunction &MF); 32254721Semaste 33254721Semaste unsigned getMSACtrlReg(const SDValue RegIdx) const; 34254721Semaste 35254721Semaste bool replaceUsesWithZeroReg(MachineRegisterInfo *MRI, const MachineInstr&); 36254721Semaste 37254721Semaste std::pair<SDNode*, SDNode*> selectMULT(SDNode *N, unsigned Opc, SDLoc dl, 38254721Semaste EVT Ty, bool HasLo, bool HasHi); 39254721Semaste 40254721Semaste SDNode *selectAddESubE(unsigned MOp, SDValue InFlag, SDValue CmpLHS, 41254721Semaste SDLoc DL, SDNode *Node) const; 42254721Semaste 43254721Semaste bool selectAddrFrameIndex(SDValue Addr, SDValue &Base, SDValue &Offset) const; 44254721Semaste bool selectAddrFrameIndexOffset(SDValue Addr, SDValue &Base, SDValue &Offset, 45254721Semaste unsigned OffsetBits) const; 46254721Semaste 47254721Semaste bool selectAddrRegImm(SDValue Addr, SDValue &Base, 48254721Semaste SDValue &Offset) const override; 49254721Semaste 50254721Semaste bool selectAddrRegReg(SDValue Addr, SDValue &Base, 51254721Semaste SDValue &Offset) const override; 52254721Semaste 53254721Semaste bool selectAddrDefault(SDValue Addr, SDValue &Base, 54254721Semaste SDValue &Offset) const override; 55254721Semaste 56254721Semaste bool selectIntAddr(SDValue Addr, SDValue &Base, 57254721Semaste SDValue &Offset) const override; 58254721Semaste 59254721Semaste bool selectAddrRegImm9(SDValue Addr, SDValue &Base, 60254721Semaste SDValue &Offset) const; 61254721Semaste 62254721Semaste bool selectAddrRegImm10(SDValue Addr, SDValue &Base, 63254721Semaste SDValue &Offset) const; 64254721Semaste 65254721Semaste bool selectAddrRegImm12(SDValue Addr, SDValue &Base, 66254721Semaste SDValue &Offset) const; 67254721Semaste 68254721Semaste bool selectAddrRegImm16(SDValue Addr, SDValue &Base, 69254721Semaste SDValue &Offset) const; 70254721Semaste 71254721Semaste bool selectIntAddrMM(SDValue Addr, SDValue &Base, 72254721Semaste SDValue &Offset) const override; 73254721Semaste 74254721Semaste bool selectIntAddrLSL2MM(SDValue Addr, SDValue &Base, 75254721Semaste SDValue &Offset) const override; 76254721Semaste 77254721Semaste bool selectIntAddrMSA(SDValue Addr, SDValue &Base, 78254721Semaste SDValue &Offset) const override; 79254721Semaste 80254721Semaste /// \brief Select constant vector splats. 81254721Semaste bool selectVSplat(SDNode *N, APInt &Imm, 82254721Semaste unsigned MinSizeInBits) const override; 83254721Semaste /// \brief Select constant vector splats whose value fits in a given integer. 84254721Semaste bool selectVSplatCommon(SDValue N, SDValue &Imm, bool Signed, 85254721Semaste unsigned ImmBitSize) const; 86254721Semaste /// \brief Select constant vector splats whose value fits in a uimm1. 87254721Semaste bool selectVSplatUimm1(SDValue N, SDValue &Imm) const override; 88254721Semaste /// \brief Select constant vector splats whose value fits in a uimm2. 89254721Semaste bool selectVSplatUimm2(SDValue N, SDValue &Imm) const override; 90254721Semaste /// \brief Select constant vector splats whose value fits in a uimm3. 91254721Semaste bool selectVSplatUimm3(SDValue N, SDValue &Imm) const override; 92254721Semaste /// \brief Select constant vector splats whose value fits in a uimm4. 93254721Semaste bool selectVSplatUimm4(SDValue N, SDValue &Imm) const override; 94254721Semaste /// \brief Select constant vector splats whose value fits in a uimm5. 95254721Semaste bool selectVSplatUimm5(SDValue N, SDValue &Imm) const override; 96254721Semaste /// \brief Select constant vector splats whose value fits in a uimm6. 97254721Semaste bool selectVSplatUimm6(SDValue N, SDValue &Imm) const override; 98254721Semaste /// \brief Select constant vector splats whose value fits in a uimm8. 99254721Semaste bool selectVSplatUimm8(SDValue N, SDValue &Imm) const override; 100254721Semaste /// \brief Select constant vector splats whose value fits in a simm5. 101254721Semaste bool selectVSplatSimm5(SDValue N, SDValue &Imm) const override; 102254721Semaste /// \brief Select constant vector splats whose value is a power of 2. 103254721Semaste bool selectVSplatUimmPow2(SDValue N, SDValue &Imm) const override; 104254721Semaste /// \brief Select constant vector splats whose value is the inverse of a 105254721Semaste /// power of 2. 106254721Semaste bool selectVSplatUimmInvPow2(SDValue N, SDValue &Imm) const override; 107254721Semaste /// \brief Select constant vector splats whose value is a run of set bits 108254721Semaste /// ending at the most significant bit 109254721Semaste bool selectVSplatMaskL(SDValue N, SDValue &Imm) const override; 110254721Semaste /// \brief Select constant vector splats whose value is a run of set bits 111254721Semaste /// starting at bit zero. 112254721Semaste bool selectVSplatMaskR(SDValue N, SDValue &Imm) const override; 113254721Semaste 114254721Semaste std::pair<bool, SDNode*> selectNode(SDNode *Node) override; 115254721Semaste 116254721Semaste void processFunctionAfterISel(MachineFunction &MF) override; 117254721Semaste 118254721Semaste // Insert instructions to initialize the global base register in the 119254721Semaste // first MBB of the function. 120254721Semaste void initGlobalBaseReg(MachineFunction &MF); 121254721Semaste 122254721Semaste bool SelectInlineAsmMemoryOperand(const SDValue &Op, 123254721Semaste unsigned ConstraintID, 124254721Semaste std::vector<SDValue> &OutOps) override; 125254721Semaste}; 126254721Semaste 127254721SemasteFunctionPass *createMipsSEISelDag(MipsTargetMachine &TM); 128254721Semaste 129254721Semaste} 130254721Semaste 131254721Semaste#endif 132254721Semaste