forked from OSchip/llvm-project
f51427afb5
We enumerated the cross product Domain x Scatter, but sorted only be the scatter key. In case there are are multiple statement instances per scatter value, the order between statement instances of the same loop iteration was undefined. Propertly enumerate and sort only by the scatter value, and group the domains using the scatter dimension again. Thanks to Leonard Chan for the report. |
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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.