10b57cec5SDimitry Andric //===---- Mips16ISelDAGToDAG.h - A Dag to Dag Inst Selector for Mips ------===// 20b57cec5SDimitry Andric // 30b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 40b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 50b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 60b57cec5SDimitry Andric // 70b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 80b57cec5SDimitry Andric // 90b57cec5SDimitry Andric // Subclass of MipsDAGToDAGISel specialized for mips16. 100b57cec5SDimitry Andric // 110b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 120b57cec5SDimitry Andric 130b57cec5SDimitry Andric #ifndef LLVM_LIB_TARGET_MIPS_MIPS16ISELDAGTODAG_H 140b57cec5SDimitry Andric #define LLVM_LIB_TARGET_MIPS_MIPS16ISELDAGTODAG_H 150b57cec5SDimitry Andric 160b57cec5SDimitry Andric #include "MipsISelDAGToDAG.h" 170b57cec5SDimitry Andric 180b57cec5SDimitry Andric namespace llvm { 190b57cec5SDimitry Andric 200b57cec5SDimitry Andric class Mips16DAGToDAGISel : public MipsDAGToDAGISel { 210b57cec5SDimitry Andric public: 225f757f3fSDimitry Andric explicit Mips16DAGToDAGISel(MipsTargetMachine &TM, CodeGenOptLevel OL) 230b57cec5SDimitry Andric : MipsDAGToDAGISel(TM, OL) {} 240b57cec5SDimitry Andric 250b57cec5SDimitry Andric private: 260b57cec5SDimitry Andric std::pair<SDNode *, SDNode *> selectMULT(SDNode *N, unsigned Opc, 270b57cec5SDimitry Andric const SDLoc &DL, EVT Ty, bool HasLo, 280b57cec5SDimitry Andric bool HasHi); 290b57cec5SDimitry Andric 300b57cec5SDimitry Andric bool runOnMachineFunction(MachineFunction &MF) override; 310b57cec5SDimitry Andric 320b57cec5SDimitry Andric bool selectAddr(bool SPAllowed, SDValue Addr, SDValue &Base, 330b57cec5SDimitry Andric SDValue &Offset); 340b57cec5SDimitry Andric bool selectAddr16(SDValue Addr, SDValue &Base, 350b57cec5SDimitry Andric SDValue &Offset) override; 360b57cec5SDimitry Andric bool selectAddr16SP(SDValue Addr, SDValue &Base, 370b57cec5SDimitry Andric SDValue &Offset) override; 380b57cec5SDimitry Andric 390b57cec5SDimitry Andric bool trySelect(SDNode *Node) override; 400b57cec5SDimitry Andric 410b57cec5SDimitry Andric void processFunctionAfterISel(MachineFunction &MF) override; 420b57cec5SDimitry Andric 430b57cec5SDimitry Andric // Insert instructions to initialize the global base register in the 440b57cec5SDimitry Andric // first MBB of the function. 450b57cec5SDimitry Andric void initGlobalBaseReg(MachineFunction &MF); 460b57cec5SDimitry Andric 470b57cec5SDimitry Andric void initMips16SPAliasReg(MachineFunction &MF); 480b57cec5SDimitry Andric }; 490b57cec5SDimitry Andric 50*0fca6ea1SDimitry Andric class Mips16DAGToDAGISelLegacy : public MipsDAGToDAGISelLegacy { 51*0fca6ea1SDimitry Andric public: 52*0fca6ea1SDimitry Andric explicit Mips16DAGToDAGISelLegacy(MipsTargetMachine &TM, CodeGenOptLevel OL); 53*0fca6ea1SDimitry Andric }; 54*0fca6ea1SDimitry Andric 550b57cec5SDimitry Andric FunctionPass *createMips16ISelDag(MipsTargetMachine &TM, 565f757f3fSDimitry Andric CodeGenOptLevel OptLevel); 570b57cec5SDimitry Andric } 580b57cec5SDimitry Andric 590b57cec5SDimitry Andric #endif 60