Extract out prepare_aot_module_simplified for use in next PR

[ezyang]

Stack from ghstack (oldest at bottom):

• Add aot_export_joint_opaque and aot_compile_joint_opaque #158363
• -> Extract out prepare_aot_module_simplified for use in next PR #158319
• Move functions from torch._functorch.aot_autograd that are not frontend functions to frontend_utils #158251
• Introduce stages to aot_dispatch #158213
• Hoist choose_dispatcher to top level, remove unnecessary returns #158176
• Pipeline _create_aot_dispatcher_function #158173
• Inline dispatch_and_compile into its call site. #158150
• Avoid AOTAutogradCache.load in stack trace on cache miss path #158149

Also a small amount of extra code cleanup.

Signed-off-by: Edward Z. Yang ezyang@meta.com

[pytorch-bot]

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❌ 1 New Failure, 1 Unrelated Failure

As of commit 36ccfe0 with merge base 4b9a6f7 ():

NEW FAILURE - The following job has failed:

• pull / linux-jammy-py3-clang12-mobile-build / build (gh)
  Final attempt failed. Child_process exited with error code 1

UNSTABLE - The following job is marked as unstable, possibly due to flakiness on trunk:

• pull / cuda12.8-py3.10-gcc9-sm75 / test (pr_time_benchmarks, 1, 1, linux.g4dn.metal.nvidia.gpu, unstable) (gh) (#153987)
  MISSING REGRESSION TEST

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[jingsh]

Suggested change

	keep_inference_input_mutations,
	keep_inference_input_mutations: bool,

[ezyang]

@pytorchbot merge -i

[pytorchmergebot]

Merge started

Your change will be merged while ignoring the following 2 checks: pull / linux-jammy-py3-clang12-mobile-build / build, pull / cuda12.8-py3.10-gcc9-sm75 / test (pr_time_benchmarks, 1, 1, linux.g4dn.metal.nvidia.gpu, unstable)

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[pytorchmergebot]

Merge failed

Reason: 1 mandatory check(s) failed. The first few are:

• pull / linux-jammy-py3-clang12-mobile-build / build

Dig deeper by viewing the failures on hud

Details for Dev Infra team

Raised by workflow job

Failing merge rule: Core Maintainers

[ezyang]

@pytorchbot merge -f "because the i is busted and the job is flaky"

[pytorchmergebot]

Merge started

Your change will be merged immediately since you used the force (-f) flag, bypassing any CI checks (ETA: 1-5 minutes). Please use -f as last resort and instead consider -i/--ignore-current to continue the merge ignoring current failures. This will allow currently pending tests to finish and report signal before the merge.

Learn more about merging in the wiki.

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Advanced Debugging

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