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65eb74e94b
This is (more?) usable by GDB pretty printers and seems nicer to write. There's one tricky caveat that in C++14 (LLVM's codebase today) the static constexpr member declaration is not a definition - so odr use of this constant requires an out of line definition, which won't be provided (that'd make all these trait classes more annoyidng/expensive to maintain). But the use of this constant in the library implementation is/should always be in a non-odr context - only two unit tests needed to be touched to cope with this/avoid odr using these constants. Based on/expanded from D72590 by Christian Sigg.
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.