[llvm-dev] getting nowhere with thinLTO

[Tobias Edler von Koch via llvm-dev]

Hi Alan,

On 11/10/2017 11:12 AM, Davis, Alan via llvm-dev wrote:
>
> For whatever reason in this simple example t3 is not being inlined, 
> but I can set that aside for now.
>
> // t2.c:
>
> int t3();
>

Does inlining happen if you change this to:

int t3(*void*);

Without the void, it's a non-prototype declaration (a pre-ANSI C 
holdover) and will get compiled to "declare void t3(...)". I'm guessing 
you'll see a bitcast at the call site which the inliner can't look through.


Tobias

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