forked from OSchip/llvm-project
e71c6ab54c
This is an incomplete implementation of the SCEV based code generation. When finished it will remove the need for -indvars -enable-iv-rewrite. For the moment it is still disabled. Even though it passes 'make polly-test', there are still loose ends especially in respect of OpenMP code generation. llvm-svn: 155717 |
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README
Polly - Polyhedral optimizations for LLVM 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.