Manual LICM in op_convolution

[swolchok]

Summary: Hoisting loads of these constants manually speeds up the kernel a lot. Depending on the types for CTYPE and CTYPE_BIAS, the compiler might not be able to prove this is safe on its own.

Reviewed By: kimishpatel, manuelcandales

Differential Revision: D56503574

[pytorch-bot[bot]]

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:test_tube: See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/3274

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As of commit 2b1426ea1ec2aa9f7e94a2dc2a3b0d565d223ce0 with merge base b7b40ac67adf882e8cf50d85edbb55e5709a9694 (): :green_heart: Looks good so far! There are no failures yet. :green_heart:

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This pull request was exported from Phabricator. Differential Revision: D56503574

[kimishpatel]

to exported stacked diffs you want to use ghstack else it will combine changes from diff underneat

[facebook-github-bot]

This pull request has been merged in pytorch/executorch@987a1f98bd0b8f8c39407f6140913954bacb6ed9.