forked from OSchip/llvm-project
4d5a917287
To benefit of the type safety guarantees of C++11 typed enums, which would have caught the type mismatch fixed in r291960, we make MemoryKind a typed enum. This change also allows us to drop the 'MK_' prefix and to instead use the more descriptive full name of the enum as prefix. To reduce the amount of typing needed, we use this opportunity to move MemoryKind from ScopArrayInfo to a global scope, which means the ScopArrayInfo:: prefix is not needed. This move also makes historically sense. In the beginning of Polly we had different MemoryKind enums in both MemoryAccess and ScopArrayInfo, which were later canonicalized to one. During this canonicalization we just choose the enum in ScopArrayInfo, but did not consider to move this shared enum to global scope. Reviewed-by: Michael Kruse <llvm@meinersbur.de> Differential Revision: https://reviews.llvm.org/D28090 llvm-svn: 292030 |
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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.