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Line 2: {{More citations needed\|date=January 2021}} In [[computer programming]], ~~'''~~[[loop-invariant code]]~~'''~~ consists of statements or expressions (in an [[imperative programming\|imperative]] [[programming language]]) which can be moved outside the body of a loop without affecting the semantics of the program. '''Loop-invariant code motion''' (also called '''hoisting''' or '''scalar promotion''') is a [[compiler optimization]] which performs this movement automatically. ==Example==

Loop-invariant code motion: Difference between revisions