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* Check overflows in RTCs and bail accordinglyJohannes Doerfert2016-05-121-6/+22
| | | | | | | | | | | | | | | We utilize assumptions on the input to model IR in polyhedral world. To verify these assumptions we version the code and guard it with a runtime-check (RTC). However, since the RTCs are themselves generated from the polyhedral representation we generate them under the same assumptions that they should verify. In other words, the guarantees that we try to provide with the RTCs do not hold for the RTCs themselves. To this end it is necessary to employ a different check for the RTCs that will verify the assumptions did hold for them too. Differential Revision: http://reviews.llvm.org/D20165 llvm-svn: 269299
* Drop explicit -polly-delinearize parameterTobias Grosser2016-03-231-1/+1
| | | | | | | Delinearization is now enabled by default and does not need to explicitly need to be enabled in our tests. llvm-svn: 264154
* Remove -polly-code-generator=isl from many test casesTobias Grosser2015-11-211-1/+1
| | | | | | | This is the default since a long time. Setting it again does not add value in any of these test cases. llvm-svn: 253800
* tests: Drop -polly-detect-unprofitable and -polly-no-early-exitTobias Grosser2015-10-061-1/+1
| | | | | | | | These flags are now always passed to all tests and need to be disabled if not needed. Disabling these flags, rather than passing them to almost all tests, significantly simplfies our RUN: lines. llvm-svn: 249422
* Rename IslCodeGeneration to CodeGenerationTobias Grosser2015-05-121-1/+1
| | | | | | | | | Besides class, function and file names, we also change the command line option from -polly-codegen-isl to just -polly-codegen. The isl postfix is a leftover from the times when we still had the CLooG based -polly-codegen. Today it is just redundant and we drop it. llvm-svn: 237099
* Update Polly tests to handle explicitly typed load changes in LLVM.David Blaikie2015-02-271-1/+1
| | | | llvm-svn: 230796
* Update Polly tests to handle explicitly typed gep changes in LLVMDavid Blaikie2015-02-271-3/+3
| | | | llvm-svn: 230784
* ScopDetection: Only detect scops that have at least one read and one writeTobias Grosser2015-02-191-1/+1
| | | | | | | | | | Scops that only read seem generally uninteresting and scops that only write are most likely initializations where there is also little to optimize. To not waste compile time we bail early. Differential Revision: http://reviews.llvm.org/D7735 llvm-svn: 229820
* Drop all constant scheduling dimensionsTobias Grosser2015-01-011-10/+10
| | | | | | | | | Schedule dimensions that have the same constant value accross all statements do not carry any information, but due to the increased dimensionality of the schedule cost compile time. To not pay this cost, we remove constant dimensions if possible. llvm-svn: 225067
* Allow multidimensional accesses in the IslExprBuilder.Johannes Doerfert2014-10-051-0/+78
This resolved the issues with delinearized accesses that might alias, thus delinearization doesn't deactivate runtime alias checks anymore. Differential Revision: http://reviews.llvm.org/D5614 llvm-svn: 219078
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