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Unification-based points-to-analysis using multilevel typing
Unification-based points-to-analysis using multilevel typing
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机译:使用多级输入的基于统一点的分析
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摘要
Location types in unification-based, flow-insensitive “points-to” analyses represent three kinds of sets of abstract memory locations in a three-level subtyping system. The data constructor for “middle” and “upper” kinds of location types has a reader and a writer component. The “middle” kind of location types represent singleton sets of abstract locations. The reader and writer components of the “middle” type are both the same location type. The “upper” kind of location types represent complex sets of abstract locations. The reader and writer components of the “upper” type may be dissimilar location types. The reader components represent the set of values that may be read from memory via a pointer represented by the location type containing the reader component. The writer components represent the set of values that may be written to memory via a pointer represented by the location type containing the writer component.
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