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This function has been extracted from the upcoming DeLICM patch (https://reviews.llvm.org/D24716). In contrast to computeReachingWrite and computeArrayUnused, convertZoneToTimepoints implies a format for zones (ranges between timepoints). Zones at the moment are unique to DeLICM, but convertZoneToTimepoints makes most sense in conjunction with the previous two functions. llvm-svn: 294094
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.