如何在分析输出文件时设置IDA加载我的源文件？

I have built my out file with gcc in Visual Studio. And I can open this out file with IDA. But I cannot find any way to let IDA load my source file of out file. Because I need to check whether the compiler has inlined my function. And I want IDA with source file could make my work easily. Thanks~~I have built my out file with gcc in Visual Stu