forked from OSchip/llvm-project
88fd2d0123
When reading code in ScopBuilder::buildEqivClassBlockStmts, I think the main statement flag computation can be simplified, here is the patch. It's based on two simple facts that: 1. Instruction won't be removed once it's inserted into UnionFind. 2. Main statement must be set if there is non-trivial statement besides the last one. The patch also saves std::find call. Patch by bin.narwal <bin.narwal@gmail.com> Differential Revision: https://reviews.llvm.org/D66477 llvm-svn: 369972 |
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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.