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374353
2020 Feb 10
2
RFC: Mark BasicAA as a CFG-only pass.
On 2/10/20 2:35 PM, Alina Sbirlea wrote:
> Hi,
>
> Here's a tentative patch of the changes for this: D74353
> <https://reviews.llvm.org/D74353>.
I suppose that, as expected, it's invalidated less often this way. Given
that it's generally stateless, does this really represent a cost savings?
-Hal
>
> Thank you,
> Alina
>
>
> On Mon, Feb 10, 2020 at 11:34 AM Alin...
2020 Feb 10
2
RFC: Mark BasicAA as a CFG-only pass.
Hi,
I'd like to understand if it makes sense to keep BasicAA as a not CFG-only
pass, or if it can be updated to CFG-only. The change was made in D44564
<https://reviews.llvm.org/D44564>.
>From what I gathered the motivation was PhiValuesAnalysis not being
properly updated, and BasicAA having an instance of it.
PhiValuesAnalysis now uses callback values to invalidate deleted values (