forked from OSchip/llvm-project
933edd04af
There does not seem to be a reason that we can not support PHI nodes outside of the scop that reference values within the SCoP. Or at least, the attached test case seems to do the right thing. We remove the assert for now. llvm-svn: 200427 |
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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.