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Update LICENSE file for the test-suite to the new license.
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See r351631 to LLVM which installed the new license and developer policy
for subsequent contributions.

The test suite project is especially strange due to the fact that there
are so many large portions of it that are external projects cloned under
their own license into this repository for the purpose of testing. As
a consequence, I preserved some of the information in the index of such
directories, although I fear it is seriously out of date.

Note that I've left odd formatting and other idiosyncracies of the legacy
license structure text alone to make the diff easier to read. Critically, note
that we do not in any case *remove* the old license notice or terms, as that
remains necessary until we finish the relicensing process.

In subsequent commits I'll update the file headers of code that is
unambiguously part of the LLVM project rather than cloned from somewhere
else. These will be separate commits due to the size of some of the code
in the test suite. Also, there are confusing cases that will either be
handled later once the authors can be consulted, or simply need to
remain as-is. For example, we appear to use an old version of some LLVM
code as a textual input to a benchmark, and changing it would change the
benchmark itself. This also appears to provide no value as the old
version will forever be available under the old license anyways.

Also, we understand that people may be surprised that we're moving the
header entirely to discuss the new license. We checked this carefully
with the Foundation's lawyer and we believe this is the correct
approach.

Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.

llvm-svn: 351675
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chandlerc committed Jan 20, 2019
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305 changes: 263 additions & 42 deletions LICENSE.TXT
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==============================================================================
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Expand Down Expand Up @@ -127,3 +304,47 @@ zlib: llvm-test/MultiSource/Applications/ClamAV/zlib_*
Rodinia: llvm-test/MultiSource/Benchmarks/Rodinia
Rodinia: llvm-test/MultiSource/Benchmarks/Rodinia
Rodinia: llvm-test/MultiSource/Benchmarks/Rodinia

==============================================================================
Legacy LLVM License (ttps://llvm.org/docs/DeveloperPolicy.html#legacy):
==============================================================================
University of Illinois/NCSA
Open Source License

Copyright (c) 2003, 2004, 2005 University of Illinois at Urbana-Champaign.
All rights reserved.

Developed by:

LLVM Team

University of Illinois at Urbana-Champaign

http://llvm.org/

Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal with
the Software without restriction, including without limitation the rights to
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of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:

* Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimers.

* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimers in the
documentation and/or other materials provided with the distribution.

* Neither the names of the LLVM Team, University of Illinois at
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