274   bool OptimizeOverflowCheck(Instruction::BinaryOps BinaryOp, bool IsSigned,
327                           const Instruction &CxtI, bool IsSigned) const {  in willNotOverflowAdd()  argument
328     return IsSigned ? willNotOverflowSignedAdd(LHS, RHS, CxtI)  in willNotOverflowAdd()
345                           const Instruction &CxtI, bool IsSigned) const {  in willNotOverflowSub()  argument
346     return IsSigned ? willNotOverflowSignedSub(LHS, RHS, CxtI)  in willNotOverflowSub()
364                           const Instruction &CxtI, bool IsSigned) const {  in willNotOverflowMul()  argument
365     return IsSigned ? willNotOverflowSignedMul(LHS, RHS, CxtI)  in willNotOverflowMul()
371                        bool IsSigned) const {  in willNotOverflow()  argument
373     case Instruction::Add: return willNotOverflowAdd(LHS, RHS, CxtI, IsSigned);  in willNotOverflow()
374     case Instruction::Sub: return willNotOverflowSub(LHS, RHS, CxtI, IsSigned);  in willNotOverflow()
375     case Instruction::Mul: return willNotOverflowMul(LHS, RHS, CxtI, IsSigned);  in willNotOverflow()
491       Instruction::BinaryOps BinaryOp, bool IsSigned,