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<p>in the sense that it removes code when its results are discarded or unused, but in contrast to dead code elimination, it can remove pointless instructions even if there is a possible use of that instruction's results in an execution code path.</p>

<p><big> Reducing the size of the program </big></p>
<p><b>Code factoring</b> is a term for a size-optimization technique that merges common dependencies in branches into the branch above it. Just like <a href="page.php?w=Integer_factorization">factorizing integers</a> decomposes a number into its smallest</p><p>
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