forked from OSchip/llvm-project
1022ca5646
Min/max expressions are easier to read and can in some cases also result in more concise IR that is generated as the min/max --- when lowered to a cmp+select pattern -- commonly has a simpler condition then the ternary condition isl would normally generate. llvm-svn: 268855 |
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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.