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Diffstat (limited to 'contrib/llvm/lib/Target/Mips/MipsSEISelDAGToDAG.h')
| -rw-r--r-- | contrib/llvm/lib/Target/Mips/MipsSEISelDAGToDAG.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Target/Mips/MipsSEISelDAGToDAG.h b/contrib/llvm/lib/Target/Mips/MipsSEISelDAGToDAG.h new file mode 100644 index 000000000000..dc52064c9830 --- /dev/null +++ b/contrib/llvm/lib/Target/Mips/MipsSEISelDAGToDAG.h @@ -0,0 +1,107 @@ +//===-- 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: + + virtual bool runOnMachineFunction(MachineFunction &MF); + + void addDSPCtrlRegOperands(bool IsDef, MachineInstr &MI, + MachineFunction &MF); + + unsigned getMSACtrlReg(const SDValue RegIdx) const; + + bool replaceUsesWithZeroReg(MachineRegisterInfo *MRI, const MachineInstr&); + + std::pair<SDNode*, SDNode*> selectMULT(SDNode *N, unsigned Opc, SDLoc dl, + EVT Ty, bool HasLo, bool HasHi); + + SDNode *selectAddESubE(unsigned MOp, SDValue InFlag, SDValue CmpLHS, + SDLoc DL, SDNode *Node) const; + + virtual bool selectAddrRegImm(SDValue Addr, SDValue &Base, + SDValue &Offset) const; + + virtual bool selectAddrRegReg(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 bool selectAddrRegImm12(SDValue Addr, SDValue &Base, + SDValue &Offset) const; + + virtual bool selectIntAddrMM(SDValue Addr, SDValue &Base, + SDValue &Offset) const; + + /// \brief Select constant vector splats. + virtual bool selectVSplat(SDNode *N, APInt &Imm) const; + /// \brief Select constant vector splats whose value fits in a given integer. + virtual bool selectVSplatCommon(SDValue N, SDValue &Imm, bool Signed, + unsigned ImmBitSize) const; + /// \brief Select constant vector splats whose value fits in a uimm1. + virtual bool selectVSplatUimm1(SDValue N, SDValue &Imm) const; + /// \brief Select constant vector splats whose value fits in a uimm2. + virtual bool selectVSplatUimm2(SDValue N, SDValue &Imm) const; + /// \brief Select constant vector splats whose value fits in a uimm3. + virtual bool selectVSplatUimm3(SDValue N, SDValue &Imm) const; + /// \brief Select constant vector splats whose value fits in a uimm4. + virtual bool selectVSplatUimm4(SDValue N, SDValue &Imm) const; + /// \brief Select constant vector splats whose value fits in a uimm5. + virtual bool selectVSplatUimm5(SDValue N, SDValue &Imm) const; + /// \brief Select constant vector splats whose value fits in a uimm6. + virtual bool selectVSplatUimm6(SDValue N, SDValue &Imm) const; + /// \brief Select constant vector splats whose value fits in a uimm8. + virtual bool selectVSplatUimm8(SDValue N, SDValue &Imm) const; + /// \brief Select constant vector splats whose value fits in a simm5. + virtual bool selectVSplatSimm5(SDValue N, SDValue &Imm) const; + /// \brief Select constant vector splats whose value is a power of 2. + virtual bool selectVSplatUimmPow2(SDValue N, SDValue &Imm) const; + /// \brief Select constant vector splats whose value is the inverse of a + /// power of 2. + virtual bool selectVSplatUimmInvPow2(SDValue N, SDValue &Imm) const; + /// \brief Select constant vector splats whose value is a run of set bits + /// ending at the most significant bit + virtual bool selectVSplatMaskL(SDValue N, SDValue &Imm) const; + /// \brief Select constant vector splats whose value is a run of set bits + /// starting at bit zero. + virtual bool selectVSplatMaskR(SDValue N, SDValue &Imm) 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 |