forked from OSchip/llvm-project
ef6ae7030d
The 'Color' enum is only used for irreducible control flow detection. Johannes already moved this enum in r270054 from ScopDetection.h to ScopDetection.cpp to limit its scope to a single cpp file. We now move it into the only function where this enum is needed to make clear that it is only needed locally in this single function. Thanks to Johannes for pointing out this cleanup opportunity. llvm-svn: 272462 |
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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.