llvm-6502/lib/Target/Mips/MipsSEISelDAGToDAG.h
Daniel Sanders c8a1fa77a7 [mips][msa] Added support for matching splati from normal IR (i.e. not intrinsics)
Updated some of the vshf since they (correctly) emit splati's now



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191511 91177308-0d34-0410-b5e6-96231b3b80d8
2013-09-27 11:48:57 +00:00

99 lines
3.8 KiB
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//===-- 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;
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