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c3bcdc2f1a
Summary: Before, if we fail to parse a jscop file, this will be reported as an error and importing is aborted. However, this isn't actually strong enough, since although the import is aborted, the scop has already been modified and is very likely broken. Instead, make this a hard failure and throw an LLVM error. This new behaviour requires small changes to the tests for the legacy pass, namely using `not` to verify the error. Further, fixed the jscop file for the base_pointer_load_is_inst_inside_invariant_1 testcase. Reviewed By: Meinersbur Split out of D36578. llvm-svn: 310599
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.