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Re: Predictive commoning miscompiles 482.sphinx3 in SPEC CPU 2006
Hello,
> > Because the patch had other effects like adding a DCE after Copyprop
> > in the loop optimizer section.
> >
>
> Disable DCE after Copyprop in the loop optimizer section fixes my
> problem. Any idea why?
no, not really; it could be anything (it may even have nothing to do
with dce, performing dce can enable/alter other loop transformations).
Zdenek