forked from OSchip/llvm-project
761e5b9310
- By definition, we can pass something as a `kill` to PPCG if we know that no data can flow across a kill. - This is useful for more complex examples where we have scalars that are local to a scop. - If the local is only used within a scop, we are free to kill it. Differential Revision: https://reviews.llvm.org/D35045 llvm-svn: 307260 |
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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.