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* 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 Blaikie2015-02-271-15/+15
| | | | 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 Grosser2015-01-011-5/+5
| | | | | | | | | 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
* Remove -polly-codegen-scev option and related codeTobias Grosser2014-11-301-1/+1
| | | | | | | | SCEV based code generation has been the default for two weeks after having been tested for a long time. We now drop the support the non-scev-based code generation. llvm-svn: 222978
* [Fix] Non i1 typed select condition for weird pw aff functions.Johannes Doerfert2014-10-071-0/+81
In case the pieceweise affine function used to create an isl_ast_expr had empty cases (e.g., with contradicting constraints on the parameters), it was possible that the condition of the isl_ast_expr select was not a comparison but a constant (thus of type i64). This patch does two thing: 1) Handle the case the condition of a select is not a i1 type like C. 2) Try to simplify the pieceweise affine functions for the min/max access when we generate runtime alias checks. That step can often remove empty or redundant cases as well as redundant constrains. This fixes bug: http://llvm.org/PR21167 Differential Revision: http://reviews.llvm.org/D5627 llvm-svn: 219208
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