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Ignored intrinsics are ignored at code generation, therefore do not need to be part of the instruction list. Specifically, llvm.lifetime.* intrinisics are removed before code generation, referencing them would cause a use-after-free error. Contributed-by: Nandini Singhal <cs15mtech01004@iith.ac.in> Differential Revision: https://reviews.llvm.org/D33768 llvm-svn: 304483
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.