- virtual bool verifyInstruction(const MachineInstr *MI,
- StringRef &ErrInfo) const;
- virtual int getIndirectIndexBegin(const MachineFunction &MF) const;
-
- virtual int getIndirectIndexEnd(const MachineFunction &MF) const;
-
- virtual unsigned calculateIndirectAddress(unsigned RegIndex,
- unsigned Channel) const;
-
- virtual const TargetRegisterClass *getIndirectAddrRegClass() const;
-
- virtual MachineInstrBuilder buildIndirectWrite(MachineBasicBlock *MBB,
- MachineBasicBlock::iterator I,
- unsigned ValueReg,
- unsigned Address,
- unsigned OffsetReg) const;
-
- virtual MachineInstrBuilder buildIndirectRead(MachineBasicBlock *MBB,
- MachineBasicBlock::iterator I,
- unsigned ValueReg,
- unsigned Address,
- unsigned OffsetReg) const;
- };
+ bool isImmOperandLegal(const MachineInstr *MI, unsigned OpNo,
+ const MachineOperand &MO) const;
+
+ /// \brief Return true if this 64-bit VALU instruction has a 32-bit encoding.
+ /// This function will return false if you pass it a 32-bit instruction.
+ bool hasVALU32BitEncoding(unsigned Opcode) const;
+
+ /// \brief Return true if this instruction has any modifiers.
+ /// e.g. src[012]_mod, omod, clamp.
+ bool hasModifiers(unsigned Opcode) const;
+ bool verifyInstruction(const MachineInstr *MI,
+ StringRef &ErrInfo) const override;
+
+ bool isSALUInstr(const MachineInstr &MI) const;
+ static unsigned getVALUOp(const MachineInstr &MI);
+
+ bool isSALUOpSupportedOnVALU(const MachineInstr &MI) const;
+
+ /// \brief Return the correct register class for \p OpNo. For target-specific
+ /// instructions, this will return the register class that has been defined
+ /// in tablegen. For generic instructions, like REG_SEQUENCE it will return
+ /// the register class of its machine operand.
+ /// to infer the correct register class base on the other operands.
+ const TargetRegisterClass *getOpRegClass(const MachineInstr &MI,
+ unsigned OpNo) const;\
+
+ /// \returns true if it is legal for the operand at index \p OpNo
+ /// to read a VGPR.
+ bool canReadVGPR(const MachineInstr &MI, unsigned OpNo) const;
+
+ /// \brief Legalize the \p OpIndex operand of this instruction by inserting
+ /// a MOV. For example:
+ /// ADD_I32_e32 VGPR0, 15
+ /// to
+ /// MOV VGPR1, 15
+ /// ADD_I32_e32 VGPR0, VGPR1
+ ///
+ /// If the operand being legalized is a register, then a COPY will be used
+ /// instead of MOV.
+ void legalizeOpWithMove(MachineInstr *MI, unsigned OpIdx) const;
+
+ /// \brief Check if \p MO is a legal operand if it was the \p OpIdx Operand
+ /// for \p MI.
+ bool isOperandLegal(const MachineInstr *MI, unsigned OpIdx,
+ const MachineOperand *MO = nullptr) const;
+
+ /// \brief Legalize all operands in this instruction. This function may
+ /// create new instruction and insert them before \p MI.
+ void legalizeOperands(MachineInstr *MI) const;
+
+ void moveSMRDToVALU(MachineInstr *MI, MachineRegisterInfo &MRI) const;
+
+ /// \brief Replace this instruction's opcode with the equivalent VALU
+ /// opcode. This function will also move the users of \p MI to the
+ /// VALU if necessary.
+ void moveToVALU(MachineInstr &MI) const;
+
+ unsigned calculateIndirectAddress(unsigned RegIndex,
+ unsigned Channel) const override;
+
+ const TargetRegisterClass *getIndirectAddrRegClass() const override;
+
+ MachineInstrBuilder buildIndirectWrite(MachineBasicBlock *MBB,
+ MachineBasicBlock::iterator I,
+ unsigned ValueReg,
+ unsigned Address,
+ unsigned OffsetReg) const override;
+
+ MachineInstrBuilder buildIndirectRead(MachineBasicBlock *MBB,
+ MachineBasicBlock::iterator I,
+ unsigned ValueReg,
+ unsigned Address,
+ unsigned OffsetReg) const override;
+ void reserveIndirectRegisters(BitVector &Reserved,
+ const MachineFunction &MF) const;
+
+ void LoadM0(MachineInstr *MoveRel, MachineBasicBlock::iterator I,
+ unsigned SavReg, unsigned IndexReg) const;
+
+ void insertNOPs(MachineBasicBlock::iterator MI, int Count) const;
+
+ /// \brief Returns the operand named \p Op. If \p MI does not have an
+ /// operand named \c Op, this function returns nullptr.
+ MachineOperand *getNamedOperand(MachineInstr &MI, unsigned OperandName) const;
+};