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Re: [Bug tree-optimization/21712] missed optimization due withconst function and pulling out of loops
> .
>
> Nevertheless, even if we are very strict with the definition, moving
> get_type2 out of the loop is not a good idea, since get_type2 might
> potentially be very expensive (and we have no way how to determine
> that this is not the case), thus we would lose in case get_type2
> should be never executed.
>
>
Don't we attempt to detect zero trip loops?
(If not, we should :P)