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Polly use algorithms from the Integer Set Library (isl), which is a library written in C and which is incompatible with the rest of the LLVM as it is written in C++. Changes made: * Refabricating IsOutermostParallel() to take C++ bindings instead of reference-counting in C isl lib. * Addition of manage_copy() to be used as reference for C objects instead of IsOutermostParallel() Reviewed By: Meinersbur Differential Revision: https://reviews.llvm.org/D97751 |
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| README | ||
Polly - Polyhedral optimizations for LLVM ----------------------------------------- http://polly.llvm.org/ Polly uses a mathematical representation, the polyhedral model, to represent and transform loops and other control flow structures. Using an abstract representation it is possible to reason about transformations in a more general way and to use highly optimized linear programming libraries to figure out the optimal loop structure. These transformations can be used to do constant propagation through arrays, remove dead loop iterations, optimize loops for cache locality, optimize arrays, apply advanced automatic parallelization, drive vectorization, or they can be used to do software pipelining.