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Iterate through memory accesses in execution order (first all implicit reads, then explicit accesses, then implicit writes). In the test case this caused an implicit load to be handled as if it was loaded after the write. That is, the value being written before it is available. This fixes llvm.org/PR33323 llvm-svn: 304810
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.