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Modern Compiler Implementation in C by Maia Ginsburg, Andrew W. Appel

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19

Static Single-Assignment Form

dom-i-nate: to exert the supreme determining or guiding influence on

Webster’s Dictionary

Many dataflow analyses need to find the use-sites of each defined variable or the definition-sites of each variable used in an expression. The def-use chainis a data structure that makes this efficient: for each statement in the flow graph, the compiler can keep a list of pointers to all the use sites of variables defined there, and a list of pointers to all definition sites of the variables used there. In this way the compiler ...

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