Revert "Cortex_m backend: Simplify add + linear fusion passes"

[metascroy]

Reverts #15526

This breaks 8 internal tests:

• buck test '@fbcode//mode/opt' fbcode//executorch/backends/cortex_m/test:test_replace_quant_nodes -- --exact 'executorch/backends/cortex_m/test:test_replace_quant_nodes - test_precomputed_parameters (executorch.backends.cortex_m.test.test_quantize_op_fusion_pass.TestQuantizedOpFusionPass)'

• buck test '@fbcode//mode/opt' fbcode//executorch/backends/cortex_m/test:test_replace_quant_nodes -- --exact 'executorch/backends/cortex_m/test:test_replace_quant_nodes - test_multiple_add_fusion (executorch.backends.cortex_m.test.test_quantize_op_fusion_pass.TestQuantizedOpFusionPass)'

• buck test '@fbcode//mode/opt' fbcode//executorch/backends/cortex_m/test:test_replace_quant_nodes -- --exact 'executorch/backends/cortex_m/test:test_replace_quant_nodes - test_single_add_fusion (executorch.backends.cortex_m.test.test_quantize_op_fusion_pass.TestQuantizedOpFusionPass)'

• buck test '@fbcode//mode/opt' fbcode//executorch/backends/cortex_m/test:test_replace_quant_nodes -- --exact 'executorch/backends/cortex_m/test:test_replace_quant_nodes - test_different_tensor_shapes (executorch.backends.cortex_m.test.test_quantize_op_fusion_pass.TestQuantizedOpFusionPass)'

• buck test '@fbcode//mode/opt' fbcode//executorch/backends/cortex_m/test:test_replace_quant_nodes -- --exact 'executorch/backends/cortex_m/test:test_replace_quant_nodes - test_mixed_fusion_pattern (executorch.backends.cortex_m.test.test_quantize_op_fusion_pass.TestQuantizedOpFusionPass)'

• buck test '@fbcode//mode/opt' fbcode//executorch/backends/cortex_m/test:test_replace_quant_nodes -- --exact 'executorch/backends/cortex_m/test:test_replace_quant_nodes - test_aot_parameter_computation_accuracy (executorch.backends.cortex_m.test.test_quantize_op_fusion_pass.TestQuantizedOpFusionPass)'

• buck test '@fbcode//mode/opt' fbcode//executorch/backends/cortex_m/test:test_replace_quant_nodes -- --exact 'executorch/backends/cortex_m/test:test_replace_quant_nodes - test_broadcastable_shapes (executorch.backends.cortex_m.test.test_quantize_op_fusion_pass.TestQuantizedOpFusionPass)'

• buck test '@fbcode//mode/opt' fbcode//executorch/backends/cortex_m/test:test_replace_quant_nodes -- --exact 'executorch/backends/cortex_m/test:test_replace_quant_nodes - test_executorch_program_generation (executorch.backends.cortex_m.test.test_quantize_op_fusion_pass.TestQuantizedOpFusionPass)'

Please make sure these unit tests pass before re-landing.

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/15659

• 📄 Preview Python docs built from this PR

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

⏳ No Failures, 19 Pending

As of commit 4daab85 with merge base 3405317 ():
💚 Looks good so far! There are no failures yet. 💚

This comment was automatically generated by Dr. CI and updates every 15 minutes.

[github-actions]

This PR needs a release notes: label

If your change should be included in the release notes (i.e. would users of this library care about this change?), please use a label starting with release notes:. This helps us keep track and include your important work in the next release notes.

To add a label, you can comment to pytorchbot, for example
@pytorchbot label "release notes: none"

For more information, see
https://github.com/pytorch/pytorch/wiki/PyTorch-AutoLabel-Bot#why-categorize-for-release-notes-and-how-does-it-work.

[metascroy]

Did FF