Qualcomm AI Engine Direct - Adding QNN backend support for div.Tensor_mode core ATen op

[qti-horodnic]

Summary

Added support for the core ATen op div.Tensor_mode using a decomposition pass and the div, trunc, floor ops, based on the selected mode:

    div(x, y, rounding_mode=None)    -> div(x, y)
    div(x, y, rounding_mode="trunc") -> trunc(div(x, y))
    div(x, y, rounding_mode="floor") -> floor(div(x, y))

Test plan

python backends/qualcomm/tests/test_qnn_delegate.py -k TestQNNQuantizedOperator.test_qnn_backend_div_mode --model SM8750 --host aisw-vm15-labsd --device 545ee4aa --build_folder build-android
python backends/qualcomm/tests/test_qnn_delegate.py -k TestQNNFloatingPointOperator.test_qnn_backend_div_mode --model SM8750 --host aisw-vm15-labsd --device 545ee4aa --build_folder build-android

python backends/qualcomm/tests/test_qnn_delegate.py -k TestQNNQuantizedOperator.test_qnn_backend_div_scalar_mode --model SM8750 --host aisw-vm15-labsd --device 545ee4aa --build_folder build-android
python backends/qualcomm/tests/test_qnn_delegate.py -k TestQNNFloatingPointOperator.test_qnn_backend_div_scalar_mode --model SM8750 --host aisw-vm15-labsd --device 545ee4aa --build_folder build-android

cc @cccclai @cbilgin @abhinaykukkadapu

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/19785

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❌ 3 New Failures

As of commit 694b064 with merge base 0378fc4 ():

NEW FAILURES - The following jobs have failed:

• Cadence Build & Test / hifi-build / hifi4 (gh)
  Input required and not supplied: aws-region
• Cadence Build & Test / vision-build / vision (gh)
  Input required and not supplied: aws-region
• pull / test-qnn-passes-linux / linux-job (gh)
  RuntimeError: Command docker exec -t e3adfa8fffb0e18bb188a61061f5ac5134951c66bc565c8068c81579a816cd5d /exec failed with exit code 92

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[linux-foundation-easycla]

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• ✅ login: qti-horodnic / name: Arik Horodniceanu (37652bf)

[qti-horodnic]

@pytorchbot label "release notes: qualcomm"

[psiddh]

Need to resolve merge conflict

[qti-horodnic]

Need to resolve merge conflict

@psiddh
Thanks, resolved the conflicts now

[qti-horodnic]

@psiddh

Hi, can we merge this pr or did you want any other changes?

[qti-horodnic]

@psiddh

Hi, can we merge this pr or did you want any other changes?

Hi @psiddh, can we merge this PR? Not sure why the linter is stuck, I ran it locally and it looks fine