2174         let opcode = if let Some(Token::Identifier(text)) = self.token() {  in parse_instruction()  localVariable
2199         let inst_data = self.parse_inst_operands(ctx, opcode, explicit_ctrl_type)?;  in parse_instruction()
2201         let ctrl_typevar = self.infer_typevar(ctx, opcode, explicit_ctrl_type, &inst_data)?;  in parse_instruction()
2210             if !opcode.is_call() || opcode.is_return() {  in parse_instruction()
2290         opcode: Opcode,  in infer_typevar()
2294         let constraints = opcode.constraints();  in infer_typevar()
2313                             opcode,  in infer_typevar()
2323                             opcode,  in infer_typevar()
2335                         opcode,  in infer_typevar()
2355                     opcode  in infer_typevar()
2360             return err!(self.loc, "{} does not take a typevar", opcode);  in infer_typevar()
2594         opcode: Opcode,  in parse_inst_operands()
2597         let idata = match opcode.format() {  in parse_inst_operands()
2599                 opcode,  in parse_inst_operands()
2617                     opcode,  in parse_inst_operands()
2622                 opcode,  in parse_inst_operands()
2626                 opcode,  in parse_inst_operands()
2630                 opcode,  in parse_inst_operands()
2639                 } else if opcode == Opcode::F128const {  in parse_inst_operands()
2654                     opcode,  in parse_inst_operands()
2662                     opcode,  in parse_inst_operands()
2671                     opcode,  in parse_inst_operands()
2679                 InstructionData::BinaryImm8 { opcode, arg, imm }  in parse_inst_operands()
2686                     opcode,  in parse_inst_operands()
2700                     opcode,  in parse_inst_operands()
2707                     opcode,  in parse_inst_operands()
2711             InstructionFormat::NullAry => InstructionData::NullAry { opcode },  in parse_inst_operands()
2718                     opcode,  in parse_inst_operands()
2737                     opcode,  in parse_inst_operands()
2750                 InstructionData::BranchTable { opcode, arg, table }  in parse_inst_operands()
2759                     opcode,  in parse_inst_operands()
2772                     opcode,  in parse_inst_operands()
2783                     opcode,  in parse_inst_operands()
2794                     opcode,  in parse_inst_operands()
2806                     opcode,  in parse_inst_operands()
2818                     opcode,  in parse_inst_operands()
2832                     opcode,  in parse_inst_operands()
2846                     opcode,  in parse_inst_operands()
2860                     opcode,  in parse_inst_operands()
2868                 InstructionData::FuncAddr { opcode, func_ref }  in parse_inst_operands()
2875                     opcode,  in parse_inst_operands()
2887                     opcode,  in parse_inst_operands()
2897                     opcode,  in parse_inst_operands()
2907                     opcode,  in parse_inst_operands()
2917                     opcode,  in parse_inst_operands()
2930                     opcode,  in parse_inst_operands()
2938                 InstructionData::Trap { opcode, code }  in parse_inst_operands()
2944                 InstructionData::CondTrap { opcode, arg, code }  in parse_inst_operands()
2954                     opcode,  in parse_inst_operands()
2966                     opcode,  in parse_inst_operands()
2976                     opcode,  in parse_inst_operands()
2987                     opcode,  in parse_inst_operands()
2999                     opcode,  in parse_inst_operands()
3008                 InstructionData::ExceptionHandlerAddress { opcode, block, imm }  in parse_inst_operands()