forked from OSchip/llvm-project
586e579fe8
For llvm the memory accesses from nonaffine loops should be visible, however for polly those nonaffine loops should be invisible/boxed. This fixes llvm.org/PR28245 Cointributed-by: Huihui Zhang <huihuiz@codeaurora.org> Differential Revision: http://reviews.llvm.org/D21591 llvm-svn: 274842 |
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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.