How do I check if a function got CTFE?

[Gary Willoughby via Digitalmars-d-learn]

On Thursday, 2 October 2014 at 17:56:29 UTC, AsmMan wrote:
> I'd like to check if a function got CTFE, ie, the compiler was 
> able to replace my foo(s); by the computed value at 
> compile-time.
>
> I'm trying to convert the binary executable to assembly by 
> using objconv tool but I'm finding it very diffucult to find 
> anything in there, since some converters I've used which does 
> ELF to ASM keep the function name, e.g, foo() function is a foo 
> label somewhere in the file but this convert doesn't and use 
> some numbers instead of. I don't know if it's related how is 
> the windows object file format designed.

You could use __ctfe

http://forum.dlang.org/thread/yzioyjhiqedktswkweop@forum.dlang.org