How to check table exist,if exist rename it and load in sql

DECLARE @TableSchema sys.sysname = N'dbo'; DECLARE @TableName sys.sysname = N'x';

DECLARE @BackupTable sys.sysname = @TableName + '_' + CONVERT(VARCHAR  (32),    

GETDATE(), 120);   

DECLARE @SQL NVARCHAR(MAX) =

N'  DECLARE @TableWithSchema NVARCHAR(256) = QUOTENAME(@TableSchema) + ''.'' +    

QUOTENAME(@TableName);  IF (EXISTS (SELECT * FROM INFORMATION_SCHEMA.TABLES          

 WHERE TABLE_SCHEMA = @TableSchema         

 AND  TABLE_NAME = @TableName)) 

BEGIN  EXEC sp_rename @TableWithSchema, @BackupTable, ''OBJECT''  END   

CREATE TABLE ' + QUOTENAME(@TableSchema) + '.' + QUOTENAME(@TableName) +

 '(  /* Column definitions here*/  );  '; EXEC sp_executesql  

 @stmt = @SQL  , @params = N'@TableSchema sys.sysname, 

@TableName sys.sysname, @BackupTable sys.sysname' , 

@TableSchema = @TableSchema  , 

@TableName = @TableName ,

 @BackupTable = @BackupTable  ; 

DECLARE @CMD nvarchar(8000) 

SET @CMD='BCP db..'+@TableName+' IN file path -T -f -t,-c -E' 

EXEC MASTER..XP_CMDSHELL @CMD