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* Update isl to isl-0.19-173-g77fe2538Tobias Grosser2018-05-311-1/+1
| | | | | | | | | Besides other changes, this update introduces functions to translate a maps and sets into lists of their elements. These lists are useful as we can define iterators for lists, which allow us to replace many uses of foreach. llvm-svn: 333621
* Update isl to isl-0.19-152-g437e6ab0Tobias Grosser2018-05-231-0/+26
| | | | | | | | Besides normal updates this change also contains a bug-fix to in isl_coalesce which broke the AOSP buildbot. Thanks to Michael Kruse for reporting this bug and Sven Verdoolage for fixing this bug. llvm-svn: 333118
* Update isl to isl-0.18-1047-g4a20ef8Tobias Grosser2018-02-201-1/+0
| | | | | | | | | | | | | | | | | | This update: - Removes several deprecated functions (e.g., isl_band). - Improves the pretty-printing of sets by detecting modulos and "false" equalities. - Minor improvements to coalescing and increased robustness of the isl scheduler. This update does not yet include isl commit isl-0.18-90-gd00cb45 (isl_pw_*_alloc: add missing check for compatible spaces, Wed Sep 6 12:18:04 2017 +0200), as this additional check is too tight and unfortunately causes two test case failures in Polly. A patch has been submitted to isl and will be included in the next isl update for Polly. llvm-svn: 325557
* Update to isl-0.18-592-gb50ad59Tobias Grosser2017-04-281-2/+2
| | | | | | This is just a general maintenance update. llvm-svn: 301624
* Update isl to isl-0.18-336-g1e193d9Tobias Grosser2017-03-071-65/+0
| | | | | | This is a regular maintenance update llvm-svn: 297169
* Updated isl to isl-0.18-254-g6bc184dTobias Grosser2017-02-171-14/+20
| | | | | | | 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-0.18-43-g0b4256fTobias Grosser2016-12-311-1/+2
| | | | | | Even more isl coalesce changes. llvm-svn: 290783
* Update to isl-0.17.1-267-gbf9723dTobias Grosser2016-11-161-7/+9
| | | | | | | This update corrects an incorrect generation of min/max expressions in the isl AST generator and a problematic nullptr dereference. llvm-svn: 287098
* Update isl to 93b8e43dTobias Grosser2015-05-281-50/+53
| | | | | | | 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 0980603 'isl_tab_pip.c: parallel_constraints: drop useless ↵Tobias Grosser2015-02-251-9/+20
| | | | | | | | | | | | | | 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/+1437
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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