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Martin Storsjö 86db67416f [lit] Fix the return code for "not not" after evaluating "not" internally This fixes cases where "not not <command>" is supposed to return only the error codes 0 or 1, but after efee57925c3f46c74c6697, it passed the original error code through. This was visible on AIX in the shtest-output-printing.py testcase, where 'wc' returns 2, while it returns 1 on other platforms, and the test required "not not" to normalize it to 1.		2021-04-19 00:37:13 +03:00
..
examples
lit	[lit] Fix the return code for "not not" after evaluating "not" internally	2021-04-19 00:37:13 +03:00
tests	[lit] Fix the return code for "not not" after evaluating "not" internally	2021-04-19 00:37:13 +03:00
utils
CMakeLists.txt
LICENSE.TXT
lit.py	[lit] Update lit.py shebang for Python3	2021-01-25 17:29:57 -08:00
MANIFEST.in
README.txt
setup.py	[Branch-Rename] Fix some links	2021-02-01 16:43:21 +05:30

README.txt

===============================
 lit - A Software Testing Tool
===============================

lit is a portable tool for executing LLVM and Clang style test suites,
summarizing their results, and providing indication of failures. lit is designed
to be a lightweight testing tool with as simple a user interface as possible.

=====================
 Contributing to lit
=====================

Please browse the Test Suite > lit category in LLVM's Bugzilla for ideas on
what to work on.

Before submitting patches, run the test suite to ensure nothing has regressed:

    # From within your LLVM source directory.
    utils/lit/lit.py \
        --path /path/to/your/llvm/build/bin \
        utils/lit/tests

Note that lit's tests depend on 'not' and 'FileCheck', LLVM utilities.
You will need to have built LLVM tools in order to run lit's test suite
successfully.

You'll also want to confirm that lit continues to work when testing LLVM.
Follow the instructions in http://llvm.org/docs/TestingGuide.html to run the
regression test suite:

    make check-llvm

And be sure to run the llvm-lit wrapper script as well:

    /path/to/your/llvm/build/bin/llvm-lit utils/lit/tests

Finally, make sure lit works when installed via setuptools:

    python utils/lit/setup.py install
    lit --path /path/to/your/llvm/build/bin utils/lit/tests