forked from OSchip/llvm-project
af9b1e2d80
Use the fact that if we visit a for node first in pre and next in post order we know we did not visit any children, thus we found an innermost loop. + Test case for an innermost loop with a conditional inside llvm-svn: 213870 |
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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.