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区分simt和main saclar调用，需要对simt函数调用的子函数用__simt_callee__修饰
内部需求
Thanks for sending an requirement! Please fill in the following template to help quickly solve your problem.
Backgroud（背景信息）
区分simt和main saclar调用，需要对simt函数调用的子函数用__simt_callee__修饰
Origin（信息来源）
内部需求
Benefit / Necessity （价值/作用）
Design（设计方案）