forked from OSchip/llvm-project
c8a0e27cfb
Operand tree forwarding can cause the change of an access kind; in particular change from a scalar kind to an array kind if the scalar dependency is not necessary. Such an access cannot and doesn't need to be forwarded anymore. Fixes llvm.org/PR48034 |
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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.