forked from OSchip/llvm-project
d5c369f460
Before, we checked all GEPs in a statement in order to derive out-of-bound assumptions. However, this can not only introduce new parameters but it is also not clear what we can learn from GEPs that are not immediately used in a memory accesses inside the SCoP. As this case is very rare, no actual change in the behaviour is expected. llvm-svn: 267442 |
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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.