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Hi All, Does anyone know the meaning of -no-stack-slot-sharing flag in llvm? I can find this flag in llvm-2.8, but now I am using llvm-3.6.1, I couldn't use this flag via clang. Does anyone know the alternative one? Or there is no need to use this flag if we use some optimization, like O4? Another question is that I write a Pass, what I do is after analysis, I generate a .bc file, then run