takuto.ikuta marked 2 inline comments as done.
takuto.ikuta added a comment.

In https://reviews.llvm.org/D51340#1222013, @hans wrote:

> Did both your builds use PCH? It'd be interesting to see the difference 
> without PCH too; the effect should be even larger.


Added stats of without PCH build.

> The summary should probably reference 
> https://bugs.llvm.org/show_bug.cgi?id=33628 and it needs to mention how it 
> affects dllimport too.

Added to description, thanks!

> Okay, after reading through the patch, it seems we're still marking class 
> members dllexport, and then you selectively remove the attribute later. That 
> does feel a little bit backward... Does -fvisibility-inlines-hidden also have 
> the static local problem, or how does that flag handle it?

Ah, maybe I can get performance improvement just support 
fvisibility-inlines-hidden in clang-cl. Let me try.


https://reviews.llvm.org/D51340



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