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@YufengShi-dudu YufengShi-dudu commented Jan 26, 2026

  • Decompose strided slice_copy into unit-step slice_copy plus optional right padding and view_copy reshapes
  • Update SliceCopySupported check for the supported pattern
  • Add non-unit-step slice tests

Change-Id: Ida60ee2f42c283d50c9e3185dca1f9ea2238cf83

cc @freddan80 @per @zingo @oscarandersson8218 @digantdesai

- Decompose strided slice_copy into unit-step slice_copy plus optional
  right padding and view_copy reshapes
- Update SliceCopySupported check for the supported pattern
- Add non-unit-step slice tests

Change-Id: Ida60ee2f42c283d50c9e3185dca1f9ea2238cf83
Signed-off-by: Yufeng Shi <yufeng.shi@arm.com>
Change-Id: I8479a4daed1e8be4bda4591e04dfbcadc297ab4f
Signed-off-by: Yufeng Shi <yufeng.shi@arm.com>
@YufengShi-dudu YufengShi-dudu requested a review from zingo January 26, 2026 16:11
@YufengShi-dudu YufengShi-dudu added partner: arm For backend delegation, kernels, demo, etc. from the 3rd-party partner, Arm ciflow/trunk release notes: arm Changes to the ARM backend delegate labels Jan 26, 2026
@meta-cla meta-cla bot added the CLA Signed This label is managed by the Facebook bot. Authors need to sign the CLA before a PR can be reviewed. label Jan 26, 2026
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pytorch-bot bot commented Jan 26, 2026

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/16872

Note: Links to docs will display an error until the docs builds have been completed.

❌ 2 New Failures

As of commit 62a9751 with merge base 7770407 (image):

NEW FAILURES - The following jobs have failed:

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OK to merge is Arm Backend tests pass

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cortex-m-backend failure unrelated

@YufengShi-dudu YufengShi-dudu merged commit b5fe947 into pytorch:main Jan 27, 2026
299 of 301 checks passed
GregoryComer added a commit to GregoryComer/executorch that referenced this pull request Jan 27, 2026
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@YufengShi-dudu FYI It looks like this PR broke some of the nightly U55/U85 tests. I'm likely going to revert to fix CI, sorry. I'm happy to help get it re-landed.

More details are in #16914.

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ciflow/trunk CLA Signed This label is managed by the Facebook bot. Authors need to sign the CLA before a PR can be reviewed. partner: arm For backend delegation, kernels, demo, etc. from the 3rd-party partner, Arm release notes: arm Changes to the ARM backend delegate

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3 participants