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provenowrapviaconstantranges
2018 May 10
2
LLVM SCEV isAddRecNeverPoison and strength reduction
+CC llvm-dev
On Tue, May 8, 2018 at 2:34 AM, Gal Zohar <Gal.Zohar at ceva-dsp.com> wrote:
> I noticed that SCEV, when trying to perform strength reduction, doesn’t use
> the ability to prove an induction variable does not signed/unsigned wrap due
> to infinite loops.
>
> Is there an easy way to use the isAddRecNeverPoison function when
> determining if strength reduction