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with optimizeMatMulPattern This patch makes ScheduleTreeOptimizer::optimizeBand return a schedule node optimized with optimizeMatMulPattern. Otherwise, it could not use the isolate option, because standardBandOpts could try to tile a band node with anchored subtree and get the error, since the use of the isolate option causes any tree containing the node to be considered anchored. Furthermore, it is not intended to apply standard optimizations, when the matrix multiplication has been detected. llvm-svn: 294444 |
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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.