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LLVM’s Intermediate Representation (IR) serves as a critical abstraction layer that enables efficient, platform-agnostic code analysis and optimization. Unlike direct source-to-machine-code compilation, LLVM decouples language-specific parsing from hardware-specific code generation, allowing optimizations to be applied once and reused across mu ...

Common Subexpression Elimination (CSE) is a classic compiler optimization that removes redundant computations by identifying repeated expressions whose operands remain unchanged between evaluations. This reduces execution time and computasional overhead. Consider the following code: int temp = b * c; int a = b * c + g; int d = b * c + e; Since ...