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Aaron Smith e5ee89c0d3 [lit] Fix several Python 2/3 compatibility issues and tests 
- In Python 2.x, basestring is the base string type, but in 
  Python 3.x basestring is not defined and instead str includes 
  unicode strings.

- When Python is in a path that includes spaces, it needs to 
  be specified with quotes in the test files for it to run.

- The cache.ll test relies on files of a specific size being 
  created by Python, but on some versions of Windows the 
  files that are created by the current code are one byte 
  larger than expected. To fix the test, update file creation 
  to always make files of the expected size.

Patch by Stella Stamenova!

llvm-svn: 329466
 		2018-04-07 00:21:28 +00:00
..
examples
…
lit [lit] Fix several Python 2/3 compatibility issues and tests 2018-04-07 00:21:28 +00:00
tests Revert "[lit] Temporarily disable shtest-timeout.py on darwin" 2018-03-28 13:55:13 +00:00
utils
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CMakeLists.txt [lit] Add a test for the builtin config map. 2017-09-21 16:18:28 +00:00
MANIFEST.in
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README.txt [lit] Remove TODO 2016-11-03 23:41:49 +00:00
lit.py [lit] Undo the patch to stop writing pyc files. 2017-09-20 20:31:24 +00:00
setup.py
…

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