mirror of
https://github.com/intel/llvm.git
synced 2026-02-04 20:00:11 +08:00
d58acf866a
To do so we change the way array exents are computed. Instead of the precise set of memory locations accessed, we now compute the extent as the range between minimal and maximal address in the first dimension and the full extent defined by the sizes of the inner array dimensions. We also move the computation of the may_persist region after the construction of the arrays, as it relies on array information. Without arrays being constructed no useful information is computed at all. llvm-svn: 278212
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.