forked from OSchip/llvm-project
5a8c052baf
We bail out if current scop has a complex control flow as this could lead to building of large domain conditions. This is to reduce compile time. This addresses r26382. Contributed-by: Chris Jenneisch <chrisj@codeaurora.org> Differential Revision: http://reviews.llvm.org/D18362 llvm-svn: 264105 |
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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.