forked from OSchip/llvm-project
9737c7b431
Trying to build up access functions for any of these blocks is likely to fail, as error blocks may contain invalid/non-representable instructions, and blocks dominated by error blocks may reference such instructions, which wil also cause failures. As all of these blocks are anyhow assumed to not be executed, we can just remove them early on. This fixes http://llvm.org/PR25596 llvm-svn: 253818 |
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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.