lifengxiang1025 wrote:

> @lifengxiang1025 thanks for flagging this issue. I think it's best to not 
> rely on unique-internal-linkage-name here. Instead we should extend the logic 
> in RawMemProfReader.cpp to include "filename;" if the function is internal 
> linkage as expected by IRPGOFuncName. Can you try this approach?
> 
> https://github.com/llvm/llvm-project/blob/c0fe0719df457b0992606b0f2a235719a5bbfd54/llvm/lib/ProfileData/RawMemProfReader.cpp#L509-L510

I don't find how to get linkage type in dwarf. It seems dwarf don't record 
linkage type. And the linkage type between thin compile and link step can 
change also.


https://github.com/llvm/llvm-project/pull/73236
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