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If a base pointer load is preloaded, we have change the base pointer of the derived SAI. However, as the derived SAI relationship is is coarse grained, we need to check if we actually preloaded the base pointer or a different element of the base pointer SAI array. llvm-svn: 251881
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.