Constant Folding
Constant folding is an optimization technique in which the expressions are calculated beforehand to save execution time. The expressions which generate a constant value are evaluated and during the compilation time, the expressions are calculated and stored in the designated variables. This method also reduces the code sizes as well.
Constant Folding
As we all know humans understand only programming languages like C, C++, Python, Java, etc. whereas a computer can only understand bytecodes or machine languages. So compiler acts as a converter. Its aim is to convert the high-level language to machine-level language. However, during conversion, some optimization processes are followed to make the code more efficient thereby increasing the execution speed as well. One such optimization technique is Constant Folding.
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