SparcInstrInfo.h revision 7c90f73a1b06040d971a3dd95a491031ae6238d5
17c90f73a1b06040d971a3dd95a491031ae6238d5Chris Lattner//===- SparcInstrInfo.h - Sparc Instruction Information ---------*- C++ -*-===// 2b5f662fa0314f7e7e690aae8ebff7136cc3a5ab0Misha Brukman// 3e785e531f4495068ee46cabd926939eec15a565aBrian Gaeke// The LLVM Compiler Infrastructure 4e785e531f4495068ee46cabd926939eec15a565aBrian Gaeke// 5e785e531f4495068ee46cabd926939eec15a565aBrian Gaeke// This file was developed by the LLVM research group and is distributed under 6e785e531f4495068ee46cabd926939eec15a565aBrian Gaeke// the University of Illinois Open Source License. See LICENSE.TXT for details. 7b5f662fa0314f7e7e690aae8ebff7136cc3a5ab0Misha Brukman// 8e785e531f4495068ee46cabd926939eec15a565aBrian Gaeke//===----------------------------------------------------------------------===// 9e785e531f4495068ee46cabd926939eec15a565aBrian Gaeke// 107c90f73a1b06040d971a3dd95a491031ae6238d5Chris Lattner// This file contains the Sparc implementation of the TargetInstrInfo class. 11e785e531f4495068ee46cabd926939eec15a565aBrian Gaeke// 12e785e531f4495068ee46cabd926939eec15a565aBrian Gaeke//===----------------------------------------------------------------------===// 13e785e531f4495068ee46cabd926939eec15a565aBrian Gaeke 147c90f73a1b06040d971a3dd95a491031ae6238d5Chris Lattner#ifndef SPARCINSTRUCTIONINFO_H 157c90f73a1b06040d971a3dd95a491031ae6238d5Chris Lattner#define SPARCINSTRUCTIONINFO_H 16e785e531f4495068ee46cabd926939eec15a565aBrian Gaeke 17e785e531f4495068ee46cabd926939eec15a565aBrian Gaeke#include "llvm/Target/TargetInstrInfo.h" 187c90f73a1b06040d971a3dd95a491031ae6238d5Chris Lattner#include "SparcRegisterInfo.h" 19e785e531f4495068ee46cabd926939eec15a565aBrian Gaeke 20e785e531f4495068ee46cabd926939eec15a565aBrian Gaekenamespace llvm { 21e785e531f4495068ee46cabd926939eec15a565aBrian Gaeke 227c90f73a1b06040d971a3dd95a491031ae6238d5Chris Lattner/// SPII - This namespace holds all of the target specific flags that 237d7ac63366956473c8b3ef790447f576315e4c21Brian Gaeke/// instruction info tracks. 247d7ac63366956473c8b3ef790447f576315e4c21Brian Gaeke/// 257c90f73a1b06040d971a3dd95a491031ae6238d5Chris Lattnernamespace SPII { 267d7ac63366956473c8b3ef790447f576315e4c21Brian Gaeke enum { 277d7ac63366956473c8b3ef790447f576315e4c21Brian Gaeke Pseudo = (1<<0), 287d7ac63366956473c8b3ef790447f576315e4c21Brian Gaeke Load = (1<<1), 297d7ac63366956473c8b3ef790447f576315e4c21Brian Gaeke Store = (1<<2), 307d7ac63366956473c8b3ef790447f576315e4c21Brian Gaeke DelaySlot = (1<<3) 317d7ac63366956473c8b3ef790447f576315e4c21Brian Gaeke }; 327d7ac63366956473c8b3ef790447f576315e4c21Brian Gaeke}; 337d7ac63366956473c8b3ef790447f576315e4c21Brian Gaeke 347c90f73a1b06040d971a3dd95a491031ae6238d5Chris Lattnerclass SparcInstrInfo : public TargetInstrInfo { 357c90f73a1b06040d971a3dd95a491031ae6238d5Chris Lattner const SparcRegisterInfo RI; 36e785e531f4495068ee46cabd926939eec15a565aBrian Gaekepublic: 377c90f73a1b06040d971a3dd95a491031ae6238d5Chris Lattner SparcInstrInfo(SparcSubtarget &ST); 38e785e531f4495068ee46cabd926939eec15a565aBrian Gaeke 39e785e531f4495068ee46cabd926939eec15a565aBrian Gaeke /// getRegisterInfo - TargetInstrInfo is a superset of MRegister info. As 40e785e531f4495068ee46cabd926939eec15a565aBrian Gaeke /// such, whenever a client has an instance of instruction info, it should 41e785e531f4495068ee46cabd926939eec15a565aBrian Gaeke /// always be able to get register info as well (through this method). 42e785e531f4495068ee46cabd926939eec15a565aBrian Gaeke /// 43e785e531f4495068ee46cabd926939eec15a565aBrian Gaeke virtual const MRegisterInfo &getRegisterInfo() const { return RI; } 441d6dc974631a8920a4e5a801a6c7cd4753ae8a8eChris Lattner 451d6dc974631a8920a4e5a801a6c7cd4753ae8a8eChris Lattner /// Return true if the instruction is a register to register move and 461d6dc974631a8920a4e5a801a6c7cd4753ae8a8eChris Lattner /// leave the source and dest operands in the passed parameters. 471d6dc974631a8920a4e5a801a6c7cd4753ae8a8eChris Lattner /// 481d6dc974631a8920a4e5a801a6c7cd4753ae8a8eChris Lattner virtual bool isMoveInstr(const MachineInstr &MI, 491d6dc974631a8920a4e5a801a6c7cd4753ae8a8eChris Lattner unsigned &SrcReg, unsigned &DstReg) const; 505ccc7225db0cb4d738045ade8e8c38d5345ac08aChris Lattner 515ccc7225db0cb4d738045ade8e8c38d5345ac08aChris Lattner /// isLoadFromStackSlot - If the specified machine instruction is a direct 525ccc7225db0cb4d738045ade8e8c38d5345ac08aChris Lattner /// load from a stack slot, return the virtual or physical register number of 535ccc7225db0cb4d738045ade8e8c38d5345ac08aChris Lattner /// the destination along with the FrameIndex of the loaded stack slot. If 545ccc7225db0cb4d738045ade8e8c38d5345ac08aChris Lattner /// not, return 0. This predicate must return 0 if the instruction has 555ccc7225db0cb4d738045ade8e8c38d5345ac08aChris Lattner /// any side effects other than loading from the stack slot. 565ccc7225db0cb4d738045ade8e8c38d5345ac08aChris Lattner virtual unsigned isLoadFromStackSlot(MachineInstr *MI, int &FrameIndex) const; 575ccc7225db0cb4d738045ade8e8c38d5345ac08aChris Lattner 585ccc7225db0cb4d738045ade8e8c38d5345ac08aChris Lattner /// isStoreToStackSlot - If the specified machine instruction is a direct 595ccc7225db0cb4d738045ade8e8c38d5345ac08aChris Lattner /// store to a stack slot, return the virtual or physical register number of 605ccc7225db0cb4d738045ade8e8c38d5345ac08aChris Lattner /// the source reg along with the FrameIndex of the loaded stack slot. If 615ccc7225db0cb4d738045ade8e8c38d5345ac08aChris Lattner /// not, return 0. This predicate must return 0 if the instruction has 625ccc7225db0cb4d738045ade8e8c38d5345ac08aChris Lattner /// any side effects other than storing to the stack slot. 635ccc7225db0cb4d738045ade8e8c38d5345ac08aChris Lattner virtual unsigned isStoreToStackSlot(MachineInstr *MI, int &FrameIndex) const; 64e785e531f4495068ee46cabd926939eec15a565aBrian Gaeke}; 65e785e531f4495068ee46cabd926939eec15a565aBrian Gaeke 66e785e531f4495068ee46cabd926939eec15a565aBrian Gaeke} 67e785e531f4495068ee46cabd926939eec15a565aBrian Gaeke 68e785e531f4495068ee46cabd926939eec15a565aBrian Gaeke#endif 69