Scott Michel | 6637752 | 2007-12-04 22:35:58 +0000 | [diff] [blame] | 1 | //===- SPUInstrInfo.h - Cell SPU Instruction Information --------*- C++ -*-===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
Chris Lattner | 4ee451d | 2007-12-29 20:36:04 +0000 | [diff] [blame^] | 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
Scott Michel | 6637752 | 2007-12-04 22:35:58 +0000 | [diff] [blame] | 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
Scott Michel | 2466c37 | 2007-12-05 01:40:25 +0000 | [diff] [blame] | 10 | // This file contains the CellSPU implementation of the TargetInstrInfo class. |
Scott Michel | 6637752 | 2007-12-04 22:35:58 +0000 | [diff] [blame] | 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | #ifndef SPU_INSTRUCTIONINFO_H |
| 15 | #define SPU_INSTRUCTIONINFO_H |
| 16 | |
| 17 | #include "SPU.h" |
| 18 | #include "llvm/Target/TargetInstrInfo.h" |
| 19 | #include "SPURegisterInfo.h" |
| 20 | |
| 21 | namespace llvm { |
| 22 | //! Cell SPU instruction information class |
| 23 | class SPUInstrInfo : public TargetInstrInfo |
| 24 | { |
| 25 | SPUTargetMachine &TM; |
| 26 | const SPURegisterInfo RI; |
| 27 | public: |
| 28 | SPUInstrInfo(SPUTargetMachine &tm); |
| 29 | |
| 30 | /// getRegisterInfo - TargetInstrInfo is a superset of MRegister info. As |
| 31 | /// such, whenever a client has an instance of instruction info, it should |
| 32 | /// always be able to get register info as well (through this method). |
| 33 | /// |
| 34 | virtual const MRegisterInfo &getRegisterInfo() const { return RI; } |
| 35 | |
| 36 | /// getPointerRegClass - Return the register class to use to hold pointers. |
| 37 | /// This is used for addressing modes. |
| 38 | virtual const TargetRegisterClass *getPointerRegClass() const; |
| 39 | |
| 40 | // Return true if the instruction is a register to register move and |
| 41 | // leave the source and dest operands in the passed parameters. |
| 42 | // |
| 43 | virtual bool isMoveInstr(const MachineInstr& MI, |
| 44 | unsigned& sourceReg, |
| 45 | unsigned& destReg) const; |
| 46 | |
| 47 | unsigned isLoadFromStackSlot(MachineInstr *MI, int &FrameIndex) const; |
| 48 | unsigned isStoreToStackSlot(MachineInstr *MI, int &FrameIndex) const; |
| 49 | }; |
| 50 | } |
| 51 | |
| 52 | #endif |