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* Update to isl-0.18-417-gb9e7334Tobias Grosser2017-04-061-48/+1
| | | | | | This is a regular maintenance update. llvm-svn: 299617
* Updated isl to isl-0.18-254-g6bc184dTobias Grosser2017-02-171-24/+25
| | | | | | | This update includes a couple more coalescing changes as well as a large number of isl-internal code cleanups (dead assigments, ...). llvm-svn: 295419
* Update to isl-0.17.1-267-gbf9723dTobias Grosser2016-11-161-1/+1
| | | | | | | This update corrects an incorrect generation of min/max expressions in the isl AST generator and a problematic nullptr dereference. llvm-svn: 287098
* Update to isl-0.16.1-68-g8fad211Tobias Grosser2016-02-261-0/+1
| | | | | | | | This commit updates to the latest isl development version. There is no specific feature we need on the Polly side, but we want to ensure test coverage for the latest isl changes. llvm-svn: 262001
* Update to ISL 0.16.1Michael Kruse2016-01-151-1/+1
| | | | llvm-svn: 257898
* Update isl to 93b8e43dTobias Grosser2015-05-281-14/+14
| | | | | | | This update brings mostly interface cleanups, but also fixes two bugs in imath (a memory leak, some undefined behavior). llvm-svn: 238422
* Update isl to c3892bebc0Tobias Grosser2015-05-091-5/+19
| | | | | | Various smaller improvements and bugfixes. llvm-svn: 236932
* Update isl to 0980603 'isl_tab_pip.c: parallel_constraints: drop useless ↵Tobias Grosser2015-02-251-2/+0
| | | | | | | | | | | | | | assignment' This update contains: - Fixes of minor issues detected by clang's scan_build - More schedule tree infrastructure additions This update slightly changes the output of our dependence analysis, but these changes are purely syntactially. llvm-svn: 230528
* Import isl(+imath) as an external library into PollyTobias Grosser2015-02-041-0/+2981
With this patch Polly is always GPL-free (no dependency on GMP any more). As a result, building and distributing Polly will be easier. Furthermore, there is no need to tightly coordinate isl and Polly releases anymore. We import isl b3e0fa7a05d as well as imath 4d707e5ef2. These are the git versions Polly currently was tested with when using utils/checkout_isl.sh. The imported libraries are both MIT-style licensed. We build isl and imath with -fvisibility=hidden to avoid clashes in case other projects (such as gcc) use conflicting versions of isl. The use of imath can temporarily reduce compile-time performance of Polly. We will work on performance tuning in tree. Patches to isl should be contributed first to the main isl repository and can then later be reimported to Polly. This patch is also a prerequisite for the upcoming isl C++ interface. llvm-svn: 228193
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