8362c26113
This change clarifies that for Not-NonAffine-SubRegions we actually iterate over the subnodes and for both NonAffine-SubRegions and BasicBlocks, we perform the schedule construction. As a result, the tree traversal becomes trivial, the special case for a scop consisting just of a single non-affine region disappears and the indentation of the code is reduced. No functional change intended. llvm-svn: 256940 |
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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.