循环不变代码外提
Sign in to savecode statements that can be moved outside the body of a loop without affecting the semantics of the program
Article · 中文
循环不变代码外提（英語：loop-invariant code motion，缩写LICM）在计算机编程中是指将循环不变的语句或表达式移到循环体之外，而不改变程序的语义。循环不变代码外提在英文中又被称为hoisting或scalar promotion，是编译器中常见的优化方法。
Abstract from DBpedia / Wikipedia · CC BY-SA
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register allocation
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loop invariant
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optimizing compiler
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International Standard Book Number
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programming language
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computer programming
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digital object identifier
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Q182933
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imperative programming
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instruction set architecture
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program loop
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side effect
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code generation
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tail recursion
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loop unrolling
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common subexpression elimination
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dead code elimination
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inline expansion
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Constant folding
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data-flow analysis
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