[PATCH] D127531: [SLP]Improve analysis of same/alternate code ops and scheduling.

Wed Jun 22 10:14:36 PDT 2022

vdmitrie added a comment.

In D127531#3602238 <https://reviews.llvm.org/D127531#3602238>, @ABataev wrote:

> In D127531#3602215 <https://reviews.llvm.org/D127531#3602215>, @vdmitrie wrote:
>
>> I'm not sure about how the test case affected supposed to execute the changes.
>> Could you please consider adding more tests to be clearer about the patch purpose?
>
> It is for compile time mostly, nothing else. Just allows to detect gathered elements before scheduling.

Yes, but the summary also says more vector instructions generated. What specific cases are handled now but failed previously?

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https://reviews.llvm.org/D127531