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/// Check whether the first instruction, whose only		/// Check whether the first instruction, whose only
/// purpose is to update flags, can be made redundant.		/// purpose is to update flags, can be made redundant.
/// CMPrr can be made redundant by SUBrr if the operands are the same.		/// CMPrr can be made redundant by SUBrr if the operands are the same.
/// This function can be extended later on.		/// This function can be extended later on.
/// SrcReg, SrcRegs: register operands for FlagI.		/// SrcReg, SrcRegs: register operands for FlagI.
/// ImmValue: immediate for FlagI if it takes an immediate.		/// ImmValue: immediate for FlagI if it takes an immediate.
bool isRedundantFlagInstr(const MachineInstr &FlagI, Register SrcReg,		bool isRedundantFlagInstr(const MachineInstr &FlagI, Register SrcReg,
Register SrcReg2, int64_t ImmMask, int64_t ImmValue,		Register SrcReg2, int64_t ImmMask, int64_t ImmValue,
const MachineInstr &OI, bool *IsSwapped) const;		const MachineInstr &OI, bool *IsSwapped,
		int64_t *ImmDelta) const;
};		};

} // namespace llvm		} // namespace llvm

#endif		#endif