forked from OSchip/llvm-project
314587d743
We previously used a Twine here, but as pointed out by David Blaikie and Mehdi Amini storing a temporary StringRef in a Twine is not a good idea, as the StringRef will be freed before the Twine is used leaving a Twine that points to uninitialized memory. We now make it explicit that we use a StringRef here. llvm-svn: 225342 |
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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.