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89b1f94e64
The AssumptionCache removal of r289756 has been reverted in r290086/r290087. A different solution has been implemented in r291671 which keeps the AssumptionCache. We can therefore use it again in Polly. This reverts r289791. llvm-svn: 298089
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.