[PATCH] D110908: [NPM] Automatic 'opt' pipeline reducer script.

[Markus Lavin via Phabricator via llvm-commits]

markus updated this revision to Diff 377146.
markus added a comment.

Added option for automatic expansion of default pipelines. E.g. now one can do

  ./utils/reduce_pipeline.py --opt-binary=../build-debug/bin/opt --input=bbi-60925.ll --output=test2.ll --passes='default<O3>' --expand-passes

and that will expand the pipeline (using a separate `opt` invocation with `-print-pipeline-passes`) before starting the reduction. In this particular case there will be no reduction as the crash does not reproduce with the default pipeline but that is a different matter. One test has been added for the expansion using `fake_opt.py`.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D110908/new/

https://reviews.llvm.org/D110908

Files:
  llvm/utils/pipeline.py
  llvm/utils/reduce_pipeline.py
  llvm/utils/reduce_pipeline_test/fake_opt.py
  llvm/utils/reduce_pipeline_test/test.py

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