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Diffstat (limited to 'contrib/llvm/lib/Target/Sparc/SparcInstrInfo.h')
-rw-r--r-- | contrib/llvm/lib/Target/Sparc/SparcInstrInfo.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Target/Sparc/SparcInstrInfo.h b/contrib/llvm/lib/Target/Sparc/SparcInstrInfo.h new file mode 100644 index 0000000..204f698 --- /dev/null +++ b/contrib/llvm/lib/Target/Sparc/SparcInstrInfo.h @@ -0,0 +1,107 @@ +//===-- SparcInstrInfo.h - Sparc Instruction Information --------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file contains the Sparc implementation of the TargetInstrInfo class. +// +//===----------------------------------------------------------------------===// + +#ifndef SPARCINSTRUCTIONINFO_H +#define SPARCINSTRUCTIONINFO_H + +#include "SparcRegisterInfo.h" +#include "llvm/Target/TargetInstrInfo.h" + +#define GET_INSTRINFO_HEADER +#include "SparcGenInstrInfo.inc" + +namespace llvm { + +/// SPII - This namespace holds all of the target specific flags that +/// instruction info tracks. +/// +namespace SPII { + enum { + Pseudo = (1<<0), + Load = (1<<1), + Store = (1<<2), + DelaySlot = (1<<3) + }; +} + +class SparcInstrInfo : public SparcGenInstrInfo { + const SparcRegisterInfo RI; + const SparcSubtarget& Subtarget; +public: + explicit SparcInstrInfo(SparcSubtarget &ST); + + /// getRegisterInfo - TargetInstrInfo is a superset of MRegister info. As + /// such, whenever a client has an instance of instruction info, it should + /// always be able to get register info as well (through this method). + /// + virtual const SparcRegisterInfo &getRegisterInfo() const { return RI; } + + /// isLoadFromStackSlot - If the specified machine instruction is a direct + /// load from a stack slot, return the virtual or physical register number of + /// the destination along with the FrameIndex of the loaded stack slot. If + /// not, return 0. This predicate must return 0 if the instruction has + /// any side effects other than loading from the stack slot. + virtual unsigned isLoadFromStackSlot(const MachineInstr *MI, + int &FrameIndex) const; + + /// isStoreToStackSlot - If the specified machine instruction is a direct + /// store to a stack slot, return the virtual or physical register number of + /// the source reg along with the FrameIndex of the loaded stack slot. If + /// not, return 0. This predicate must return 0 if the instruction has + /// any side effects other than storing to the stack slot. + virtual unsigned isStoreToStackSlot(const MachineInstr *MI, + int &FrameIndex) const; + + /// emitFrameIndexDebugValue - Emit a target-dependent form of + /// DBG_VALUE encoding the address of a frame index. + virtual MachineInstr *emitFrameIndexDebugValue(MachineFunction &MF, + int FrameIx, + uint64_t Offset, + const MDNode *MDPtr, + DebugLoc dl) const; + + virtual bool AnalyzeBranch(MachineBasicBlock &MBB, MachineBasicBlock *&TBB, + MachineBasicBlock *&FBB, + SmallVectorImpl<MachineOperand> &Cond, + bool AllowModify = false) const ; + + virtual unsigned RemoveBranch(MachineBasicBlock &MBB) const; + + virtual unsigned InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB, + MachineBasicBlock *FBB, + const SmallVectorImpl<MachineOperand> &Cond, + DebugLoc DL) const; + + virtual void copyPhysReg(MachineBasicBlock &MBB, + MachineBasicBlock::iterator I, DebugLoc DL, + unsigned DestReg, unsigned SrcReg, + bool KillSrc) const; + + virtual void storeRegToStackSlot(MachineBasicBlock &MBB, + MachineBasicBlock::iterator MBBI, + unsigned SrcReg, bool isKill, int FrameIndex, + const TargetRegisterClass *RC, + const TargetRegisterInfo *TRI) const; + + virtual void loadRegFromStackSlot(MachineBasicBlock &MBB, + MachineBasicBlock::iterator MBBI, + unsigned DestReg, int FrameIndex, + const TargetRegisterClass *RC, + const TargetRegisterInfo *TRI) const; + + unsigned getGlobalBaseReg(MachineFunction *MF) const; +}; + +} + +#endif |