diff options
Diffstat (limited to 'lib/Target/Mips/MipsInstrInfo.h')
| -rw-r--r-- | lib/Target/Mips/MipsInstrInfo.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/lib/Target/Mips/MipsInstrInfo.h b/lib/Target/Mips/MipsInstrInfo.h index aca2bc7ae98d..8c05d97beac2 100644 --- a/lib/Target/Mips/MipsInstrInfo.h +++ b/lib/Target/Mips/MipsInstrInfo.h @@ -31,6 +31,15 @@ protected: unsigned UncondBrOpc; public: + enum BranchType { + BT_None, // Couldn't analyze branch. + BT_NoBranch, // No branches found. + BT_Uncond, // One unconditional branch. + BT_Cond, // One conditional branch. + BT_CondUncond, // A conditional branch followed by an unconditional branch. + BT_Indirect // One indirct branch. + }; + explicit MipsInstrInfo(MipsTargetMachine &TM, unsigned UncondBrOpc); static const MipsInstrInfo *create(MipsTargetMachine &TM); @@ -51,6 +60,12 @@ public: virtual bool ReverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const; + BranchType AnalyzeBranch(MachineBasicBlock &MBB, MachineBasicBlock *&TBB, + MachineBasicBlock *&FBB, + SmallVectorImpl<MachineOperand> &Cond, + bool AllowModify, + SmallVectorImpl<MachineInstr*> &BranchInstrs) const; + virtual MachineInstr* emitFrameIndexDebugValue(MachineFunction &MF, int FrameIx, uint64_t Offset, const MDNode *MDPtr, @@ -71,6 +86,36 @@ public: /// Return the number of bytes of code the specified instruction may be. unsigned GetInstSizeInBytes(const MachineInstr *MI) const; + virtual void storeRegToStackSlot(MachineBasicBlock &MBB, + MachineBasicBlock::iterator MBBI, + unsigned SrcReg, bool isKill, int FrameIndex, + const TargetRegisterClass *RC, + const TargetRegisterInfo *TRI) const { + storeRegToStack(MBB, MBBI, SrcReg, isKill, FrameIndex, RC, TRI, 0); + } + + virtual void loadRegFromStackSlot(MachineBasicBlock &MBB, + MachineBasicBlock::iterator MBBI, + unsigned DestReg, int FrameIndex, + const TargetRegisterClass *RC, + const TargetRegisterInfo *TRI) const { + loadRegFromStack(MBB, MBBI, DestReg, FrameIndex, RC, TRI, 0); + } + + virtual void storeRegToStack(MachineBasicBlock &MBB, + MachineBasicBlock::iterator MI, + unsigned SrcReg, bool isKill, int FrameIndex, + const TargetRegisterClass *RC, + const TargetRegisterInfo *TRI, + int64_t Offset) const = 0; + + virtual void loadRegFromStack(MachineBasicBlock &MBB, + MachineBasicBlock::iterator MI, + unsigned DestReg, int FrameIndex, + const TargetRegisterClass *RC, + const TargetRegisterInfo *TRI, + int64_t Offset) const = 0; + protected: bool isZeroImm(const MachineOperand &op) const; |