diff options
Diffstat (limited to 'lib/Target/ARM/ARMBaseInstrInfo.h')
| -rw-r--r-- | lib/Target/ARM/ARMBaseInstrInfo.h | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/lib/Target/ARM/ARMBaseInstrInfo.h b/lib/Target/ARM/ARMBaseInstrInfo.h index 0f9f32179a31..2fe85072a330 100644 --- a/lib/Target/ARM/ARMBaseInstrInfo.h +++ b/lib/Target/ARM/ARMBaseInstrInfo.h @@ -1,4 +1,4 @@ -//===- ARMBaseInstrInfo.h - ARM Base Instruction Information ----*- C++ -*-===// +//===-- ARMBaseInstrInfo.h - ARM Base Instruction Information ---*- C++ -*-===// // // The LLVM Compiler Infrastructure // @@ -35,6 +35,9 @@ protected: explicit ARMBaseInstrInfo(const ARMSubtarget &STI); public: + // Return whether the target has an explicit NOP encoding. + bool hasNOP() const; + // Return the non-pre/post incrementing version of 'Opc'. Return 0 // if there is not such an opcode. virtual unsigned getUnindexedOpcode(unsigned Opc) const =0; @@ -69,10 +72,7 @@ public: bool ReverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const; // Predication support. - bool isPredicated(const MachineInstr *MI) const { - int PIdx = MI->findFirstPredOperandIdx(); - return PIdx != -1 && MI->getOperand(PIdx).getImm() != ARMCC::AL; - } + bool isPredicated(const MachineInstr *MI) const; ARMCC::CondCodes getPredicate(const MachineInstr *MI) const { int PIdx = MI->findFirstPredOperandIdx(); @@ -139,6 +139,8 @@ public: MachineInstr *duplicate(MachineInstr *Orig, MachineFunction &MF) const; + MachineInstr *commuteInstruction(MachineInstr*, bool=false) const; + virtual bool produceSameValue(const MachineInstr *MI0, const MachineInstr *MI1, const MachineRegisterInfo *MRI) const; @@ -213,12 +215,18 @@ public: SDNode *DefNode, unsigned DefIdx, SDNode *UseNode, unsigned UseIdx) const; + virtual unsigned getOutputLatency(const InstrItineraryData *ItinData, + const MachineInstr *DefMI, unsigned DefIdx, + const MachineInstr *DepMI) const; + /// VFP/NEON execution domains. std::pair<uint16_t, uint16_t> getExecutionDomain(const MachineInstr *MI) const; void setExecutionDomain(MachineInstr *MI, unsigned Domain) const; private: + unsigned getInstBundleLength(const MachineInstr *MI) const; + int getVLDMDefCycle(const InstrItineraryData *ItinData, const MCInstrDesc &DefMCID, unsigned DefClass, |